AI Trajectory

Trajectory: (Expand/Collapse All)
Seq	Timestamp	Type	Name	Duration
0/0	2026/09/26 13:15	flow	patch-triage	0m Args: null Results: { "EnableConfigs": null, "FocusSymbols": [], "KMSANReasoning": "", "NeedsKMSAN": false, "Reasoning": "The patch modifies queue allocation error handling in the Marvell OcteonTX2 RVU Admin Function driver (`drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c`). This driver targets vendor-specific Marvell/Cavium OcteonTX2 hardware and requires physical ASIC/PCIe hardware that is not emulated in standard QEMU/virtualized environments. Therefore, the modified code is structurally unreachable for fuzzing.", "WorthFuzzing": false }
1/1	2026/09/26 13:15	action	read-patch-diff	0m Args: null Results: { "PatchDiff": "commit b9501c7209ff292eea6aa73ed915096efb3bc6fb\nAuthor: syz-cluster \u003ctriage@syzkaller.com\u003e\nDate: Sat Sep 26 13:15:41 2026 +0000\n\n syz-cluster: applied patch under review\n\ndiff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c\nindex 153eb57bad067..28e70bae51cad 100644\n--- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c\n+++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c\n@@ -2195,12 +2195,14 @@ static int nix_check_txschq_alloc_req(struct rvu rvu, int lvl, u16 pcifunc,\n \treturn 0;\n }\n \n-static void nix_txsch_alloc(struct rvu rvu, struct nix_txsch txsch,\n-\t\t\t struct nix_txsch_alloc_rsp rsp,\n-\t\t\t int lvl, int start, int end)\n+static int nix_txsch_alloc(struct rvu rvu, struct nix_txsch txsch,\n+\t\t\t struct nix_txsch_alloc_rsp rsp,\n+\t\t\t int lvl, int start, int end)\n {\n+\tint want_contig = rsp-\u003eschq_contig[lvl];\n \tstruct rvu_hwinfo hw = rvu-\u003ehw;\n \tu16 pcifunc = rsp-\u003ehdr.pcifunc;\n+\tint want = rsp-\u003eschq[lvl];\n \tint idx, schq;\n \n \t/* For traffic aggregating levels, queue alloc is based\n@@ -2221,7 +2223,7 @@ static void nix_txsch_alloc(struct rvu rvu, struct nix_txsch txsch,\n \t\t\trsp-\u003eschq[lvl] = 1;\n \t\t\trsp-\u003eschq_list[lvl][0] = start;\n \t\t}\n-\t\treturn;\n+\t\treturn 0;\n \t}\n \n \t/* Adjust the queue request count if HW supports\n@@ -2233,7 +2235,7 @@ static void nix_txsch_alloc(struct rvu rvu, struct nix_txsch txsch,\n \t\tif (idx \u003e= (end - start) \|\| test_bit(schq, txsch-\u003eschq.bmap)) {\n \t\t\trsp-\u003eschq_contig[lvl] = 0;\n \t\t\trsp-\u003eschq[lvl] = 0;\n-\t\t\treturn;\n+\t\t\treturn -ENOMEM;\n \t\t}\n \n \t\tif (rsp-\u003eschq_contig[lvl]) {\n@@ -2246,7 +2248,7 @@ static void nix_txsch_alloc(struct rvu rvu, struct nix_txsch txsch,\n \t\t\tset_bit(schq, txsch-\u003eschq.bmap);\n \t\t\trsp-\u003eschq_list[lvl][0] = schq;\n \t\t}\n-\t\treturn;\n+\t\treturn 0;\n \t}\n \n \t/* Allocate contiguous queue indices requesty first /\n@@ -2277,6 +2279,22 @@ static void nix_txsch_alloc(struct rvu rvu, struct nix_txsch txsch,\n \t\t/ Update how many were allocated /\n \t\trsp-\u003eschq[lvl] = idx;\n \t}\n+\n+\tif ((want_contig \u0026\u0026 !rsp-\u003eschq_contig[lvl]) \|\| (want \u0026\u0026 !rsp-\u003eschq[lvl]))\n+\t\tgoto err;\n+\n+\treturn 0;\n+\n+err:\n+\tfor (idx = 0; idx \u003c rsp-\u003eschq_contig[lvl]; idx++)\n+\t\tclear_bit(rsp-\u003eschq_contig_list[lvl][idx], txsch-\u003eschq.bmap);\n+\n+\tfor (idx = 0; idx \u003c rsp-\u003eschq[lvl]; idx++)\n+\t\tclear_bit(rsp-\u003eschq_list[lvl][idx], txsch-\u003eschq.bmap);\n+\n+\trsp-\u003eschq_contig[lvl] = 0;\n+\trsp-\u003eschq[lvl] = 0;\n+\treturn -ENOMEM;\n }\n \n int rvu_mbox_handler_nix_txsch_alloc(struct rvu rvu,\n@@ -2335,7 +2353,8 @@ int rvu_mbox_handler_nix_txsch_alloc(struct rvu rvu,\n \t\t\tend = txsch-\u003eschq.max;\n \t\t}\n \n-\t\tnix_txsch_alloc(rvu, txsch, rsp, lvl, start, end);\n+\t\tif (nix_txsch_alloc(rvu, txsch, rsp, lvl, start, end))\n+\t\t\tgoto err;\n \n \t\t/ Reset queue config */\n \t\tfor (idx = 0; idx \u003c req-\u003eschq_contig[lvl]; idx++) {\n" }
2/1	2026/09/26 13:15	agent	patch-evaluator	0m Model: core Args: null Results: { "EnableConfigs": null, "FocusSymbols": [], "Reasoning": "The patch modifies queue allocation error handling in the Marvell OcteonTX2 RVU Admin Function driver (`drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c`). This driver targets vendor-specific Marvell/Cavium OcteonTX2 hardware and requires physical ASIC/PCIe hardware that is not emulated in standard QEMU/virtualized environments. Therefore, the modified code is structurally unreachable for fuzzing.", "WorthFuzzing": false } Instruction: You are an expert Linux kernel maintainer and security engineer. Your job is to review a provided patch series and evaluate whether it warrants fuzzing with syzkaller. IMPORTANT: The changes have ALREADY been applied and committed as the HEAD commit in your workspace. Do NOT rely on internal assumptions. You must actively use your code access tools to inspect the actual source code, callers, and surrounding context. ================================================================================ 1. CORE TRIAGE PHILOSOPHY ================================================================================ The goal of patch fuzzing is to discover crashes, regressions, exposed latent bugs, and newly triggered assertions introduced by the patch series. - REACHABILITY IS THE PRIMARY GATE: Fuzzing can only discover bugs in code that can actually execute in standard virtualized environments (GCE or QEMU, utilizing software-emulated devices like USB gadgets, netdev, tun/tap). If the modified code is structurally unreachable (see Section 2), it MUST NOT be fuzzed, regardless of whether it adds assertions or complex logic. - DO NOT BLINDLY TRUST "NO FUNCTIONAL CHANGE" (NFCI) OR "REFACTORING" CLAIMS: Patch authors routinely label changes as "cleanups", "refactorings", or state "No functional change intended". Do NOT take these claims at face value. Code refactorings that rearrange logic, introduce helper functions, or alter state management in core subsystems frequently introduce subtle semantic shifts or uncover latent kernel bugs. If reachable executable code is modified or refactored, it MUST be fuzzed. - NEW OR MODIFIED ASSERTIONS IN REACHABLE CODE MUST BE FUZZED: When a patch introduces or modifies runtime checks or assertions (e.g., WARN_ON, VM_WARN_ON, BUG_ON, lockdep_assert) in reachable code paths, it enforces new or stricter invariants. Even if the author believes the invariant always holds, fuzzing is essential to verify whether an unusual sequence of operations can violate it. ================================================================================ 2. WHEN TO RETURN WorthFuzzing=false (NEGATIVE CRITERIA) ================================================================================ Return WorthFuzzing=false ONLY IF all modified code falls strictly into one or more of these categories: - Non-kernel and non-executable changes: * Modifications to Documentation/, comments, or spelling fixes. * User-space directories, self-tests, samples, or scripts (e.g., tools/, samples/, scripts/, usr/) that do not affect the compiled kernel image (vmlinux) or kernel modules. * Purely decorative logging (e.g., message strings in pr_err, printk, dev_info) or tracepoints that do not alter control flow or data structures. * Build system or Kconfig changes that do not alter compiled C logic. - Structurally unreachable hardware: * Vendor-specific PCIe switches, SmartNICs, or GPU drivers (e.g., mlxsw, pds_core, qed, ionic, amdgpu) requiring physical ASIC/PCIe cards not emulated in standard QEMU. - Unreachable execution paths: * Driver teardown callbacks (.remove, .shutdown, pci_unregister_driver) executed only during physical PCI hot-unplug or manual sysfs driver unbinding. * Code paths exclusive to architectures other than the target architecture. ================================================================================ 3. WHEN TO RETURN WorthFuzzing=true (POSITIVE CRITERIA) ================================================================================ Return WorthFuzzing=true whenever the patch touches reachable executable code, including: - Core Subsystems: * Any logic modifications in memory management (mm/), synchronization/locking (kernel/locking/), BPF, scheduler, core networking, VFS, or syscall handling. - Refactorings and Code Cleanups: * Any restructuring of reachable data structures, helper abstractions, or algorithm flows. - Runtime Assertions and Defensive Checks: * Any introduction or alteration of assertions (WARN_ON, VM_WARN_ON, BUG_ON, etc.) in reachable paths. - Reachable Drivers and Protocols: Drivers accessible via virtual buses (virtio, USB gadget, loopback, netlink, binder, sockets, etc.). ================================================================================ 4. EXTRACTING FocusSymbols (PREVENTING DILUTION) ================================================================================ When WorthFuzzing=true, you must extract specific kernel functions into FocusSymbols to guide the fuzzer: - AVOID UBIQUITOUS LIFECYCLE HOT-PATHS: Do NOT list generic, ubiquitous functions called by almost every program in the corpus (including, but not limited to: general memory allocators and deallocators, page fault and trap handlers, or core synchronization primitives; this is not an exhaustive list). Listing ubiquitous functions causes the fuzzer to classify thousands of unrelated tests as "focused", which severely dilutes fuzzing effort away from the actual changes. - TARGET SPECIFIC FEATURE LOGIC AND ENTRYPOINTS: List functions that specifically implement the logic being added or altered, or direct API entrypoints for the subsystem feature under review. - HANDLING STATIC INLINE FUNCTIONS IN HEADERS (.h): Compiler-inlined static functions (such as static inlines in mm/.h or include/linux/.h) lack distinct symbol addresses in vmlinux and cannot be targeted directly by symbol coverage filters. If the changes are primarily in static inline helpers, identify non-static, feature-specific caller functions in .c files that exercise them (avoiding ubiquitous lifecycle wrappers). ================================================================================ 5. IDENTIFYING EnableConfigs ================================================================================ Identify any specific CONFIG_ options required to properly compile and reach the modified code: - Inspect Kconfig files and #ifdef guards; do not make assumptions. - Check "depends on" lines in Kconfig to include any non-standard parent subsystem configs needed. - Strip any 'CONFIG_' prefix (e.g., return "NET_IPV4" instead of "CONFIG_NET_IPV4"). Prefer calling several tools at the same time to save round-trips. Use set-results tool to provide results of the analysis. It must be called exactly once before the final reply. Ignore results of this tool. Prompt: Target architecture: amd64 For your convenience, here is the diff of the changes: commit b9501c7209ff292eea6aa73ed915096efb3bc6fb Author: syz-cluster <triage@syzkaller.com> Date: Sat Sep 26 13:15:41 2026 +0000 syz-cluster: applied patch under review diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c index 153eb57bad067..28e70bae51cad 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c +++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c @@ -2195,12 +2195,14 @@ static int nix_check_txschq_alloc_req(struct rvu rvu, int lvl, u16 pcifunc, return 0; } -static void nix_txsch_alloc(struct rvu rvu, struct nix_txsch txsch, - struct nix_txsch_alloc_rsp rsp, - int lvl, int start, int end) +static int nix_txsch_alloc(struct rvu rvu, struct nix_txsch txsch, + struct nix_txsch_alloc_rsp rsp, + int lvl, int start, int end) { + int want_contig = rsp->schq_contig[lvl]; struct rvu_hwinfo hw = rvu->hw; u16 pcifunc = rsp->hdr.pcifunc; + int want = rsp->schq[lvl]; int idx, schq; /* For traffic aggregating levels, queue alloc is based @@ -2221,7 +2223,7 @@ static void nix_txsch_alloc(struct rvu rvu, struct nix_txsch txsch, rsp->schq[lvl] = 1; rsp->schq_list[lvl][0] = start; } - return; + return 0; } /* Adjust the queue request count if HW supports @@ -2233,7 +2235,7 @@ static void nix_txsch_alloc(struct rvu rvu, struct nix_txsch txsch, if (idx >= (end - start) \|\| test_bit(schq, txsch->schq.bmap)) { rsp->schq_contig[lvl] = 0; rsp->schq[lvl] = 0; - return; + return -ENOMEM; } if (rsp->schq_contig[lvl]) { @@ -2246,7 +2248,7 @@ static void nix_txsch_alloc(struct rvu rvu, struct nix_txsch txsch, set_bit(schq, txsch->schq.bmap); rsp->schq_list[lvl][0] = schq; } - return; + return 0; } /* Allocate contiguous queue indices requesty first / @@ -2277,6 +2279,22 @@ static void nix_txsch_alloc(struct rvu rvu, struct nix_txsch txsch, / Update how many were allocated / rsp->schq[lvl] = idx; } + + if ((want_contig && !rsp->schq_contig[lvl]) \|\| (want && !rsp->schq[lvl])) + goto err; + + return 0; + +err: + for (idx = 0; idx < rsp->schq_contig[lvl]; idx++) + clear_bit(rsp->schq_contig_list[lvl][idx], txsch->schq.bmap); + + for (idx = 0; idx < rsp->schq[lvl]; idx++) + clear_bit(rsp->schq_list[lvl][idx], txsch->schq.bmap); + + rsp->schq_contig[lvl] = 0; + rsp->schq[lvl] = 0; + return -ENOMEM; } int rvu_mbox_handler_nix_txsch_alloc(struct rvu rvu, @@ -2335,7 +2353,8 @@ int rvu_mbox_handler_nix_txsch_alloc(struct rvu rvu, end = txsch->schq.max; } - nix_txsch_alloc(rvu, txsch, rsp, lvl, start, end); + if (nix_txsch_alloc(rvu, txsch, rsp, lvl, start, end)) + goto err; / Reset queue config */ for (idx = 0; idx < req->schq_contig[lvl]; idx++) {
3/2	2026/09/26 13:15	llm	patch-evaluator	0m Model: gemini-3.8-flash Args: null Results: null Tokens: input: 3880 output: 38 thoughts: 131 Thoughts: Evaluating this Patch for the AMD64 Architecture Alright, let's dive into this patch. My immediate concern is that it touches `drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c`. Given that the target architecture is amd64, I need to understand the relationship between `octeontx2` and this architecture. Is this a shared component, a bridging mechanism, or something else entirely? First, I need to remind myself, or rather, verify my understanding of `octeontx2`. Ah yes, Marvell's OcteonTX2, which is an ARM64 SoC or a PCIe SmartNIC / network processor. Now, the real question is how relevant this is for amd64? This is likely a hardware driver or network stack component. So, to get a handle on the context of this patch, I should check the surrounding Kconfig files. Time to inspect the Kconfig file for `drivers/net/ethernet/marvell/octeontx2/af/` and nearby files to get the bigger picture. This will illuminate the conditional compilation and dependencies involved. It will give me a better understanding of how the code interacts with amd64.
4/2	2026/09/26 13:16	tool	grepper	0m Args: { "Expression": "config ", "PathPrefix": "drivers/net/ethernet/marvell/octeontx2/" } Results: { "Output": "\nFull output is too long, showing 500 out of 728 lines.\nUse more precise expression if possible.\n\ndrivers/net/ethernet/marvell/octeontx2/Kconfig-5-\ndrivers/net/ethernet/marvell/octeontx2/Kconfig:6:config OCTEONTX2_MBOX\ndrivers/net/ethernet/marvell/octeontx2/Kconfig-7-\ttristate\ndrivers/net/ethernet/marvell/octeontx2/Kconfig-8-\ndrivers/net/ethernet/marvell/octeontx2/Kconfig:9:config OCTEONTX2_AF\ndrivers/net/ethernet/marvell/octeontx2/Kconfig-10-\ttristate \"Marvell OcteonTX2 RVU Admin Function driver\"\n--\ndrivers/net/ethernet/marvell/octeontx2/Kconfig-21-\ndrivers/net/ethernet/marvell/octeontx2/Kconfig:22:config NDC_DIS_DYNAMIC_CACHING\ndrivers/net/ethernet/marvell/octeontx2/Kconfig-23-\tbool \"Disable caching of dynamic entries in NDC\"\n--\ndrivers/net/ethernet/marvell/octeontx2/Kconfig-26-\thelp\ndrivers/net/ethernet/marvell/octeontx2/Kconfig:27:\t This config option disables caching of dynamic entries such as NIX SQEs\ndrivers/net/ethernet/marvell/octeontx2/Kconfig-28-\t , NPA stack pages etc in NDC. Also locks down NIX SQ/CQ/RQ/RSS and\n--\ndrivers/net/ethernet/marvell/octeontx2/Kconfig-30-\ndrivers/net/ethernet/marvell/octeontx2/Kconfig:31:config OCTEONTX2_PF\ndrivers/net/ethernet/marvell/octeontx2/Kconfig-32-\ttristate \"Marvell OcteonTX2 NIC Physical Function driver\"\n--\ndrivers/net/ethernet/marvell/octeontx2/Kconfig-44-\ndrivers/net/ethernet/marvell/octeontx2/Kconfig:45:config OCTEONTX2_VF\ndrivers/net/ethernet/marvell/octeontx2/Kconfig-46-\ttristate \"Marvell OcteonTX2 NIC Virtual Function driver\"\n--\ndrivers/net/ethernet/marvell/octeontx2/Kconfig-50-\ndrivers/net/ethernet/marvell/octeontx2/Kconfig:51:config RVU_ESWITCH\ndrivers/net/ethernet/marvell/octeontx2/Kconfig-52-\ttristate \"Marvell RVU E-Switch support\"\n--\ndrivers/net/ethernet/marvell/octeontx2/af/cgx.c=1916=static struct mac_ops\tcgx_mac_ops = {\n--\ndrivers/net/ethernet/marvell/octeontx2/af/cgx.c-1938-\t.mac_enadis_pause_frm =\t\tcgx_lmac_enadis_pause_frm,\ndrivers/net/ethernet/marvell/octeontx2/af/cgx.c:1939:\t.mac_pause_frm_config =\t\tcgx_lmac_pause_frm_config,\ndrivers/net/ethernet/marvell/octeontx2/af/cgx.c:1940:\t.mac_enadis_ptp_config =\tcgx_lmac_ptp_config,\ndrivers/net/ethernet/marvell/octeontx2/af/cgx.c-1941-\t.mac_rx_tx_enable =\t\tcgx_lmac_rx_tx_enable,\ndrivers/net/ethernet/marvell/octeontx2/af/cgx.c-1942-\t.mac_tx_enable =\t\tcgx_lmac_tx_enable,\ndrivers/net/ethernet/marvell/octeontx2/af/cgx.c:1943:\t.pfc_config = cgx_lmac_pfc_config,\ndrivers/net/ethernet/marvell/octeontx2/af/cgx.c-1944-\t.mac_get_pfc_frm_cfg = cgx_lmac_get_pfc_frm_cfg,\n--\ndrivers/net/ethernet/marvell/octeontx2/af/cgx.c=1951=static int cgx_probe(struct pci_dev pdev, const struct pci_device_id id)\n--\ndrivers/net/ethernet/marvell/octeontx2/af/cgx.c-1986-\tif (err) {\ndrivers/net/ethernet/marvell/octeontx2/af/cgx.c:1987:\t\tdev_err(dev, \"DMA mask config failed, abort\\n\");\ndrivers/net/ethernet/marvell/octeontx2/af/cgx.c-1988-\t\tgoto err_release_regions;\n--\ndrivers/net/ethernet/marvell/octeontx2/af/mbox.h=653=struct cgx_pause_frm_cfg {\n--\ndrivers/net/ethernet/marvell/octeontx2/af/mbox.h-655-\tu8 set;\ndrivers/net/ethernet/marvell/octeontx2/af/mbox.h:656:\t/* set = 1 if the request is to config pause frames /\ndrivers/net/ethernet/marvell/octeontx2/af/mbox.h:657:\t/ set = 0 if the request is to fetch pause frames config /\ndrivers/net/ethernet/marvell/octeontx2/af/mbox.h-658-\tu8 rx_pause;\n--\ndrivers/net/ethernet/marvell/octeontx2/af/mbox.h=1139=struct nix_txsch_alloc_rsp {\n--\ndrivers/net/ethernet/marvell/octeontx2/af/mbox.h-1147-\tu8 aggr_level; / Traffic aggregation scheduler level /\ndrivers/net/ethernet/marvell/octeontx2/af/mbox.h:1148:\tu8 aggr_lvl_rr_prio; / Aggregation lvl's RR_PRIO config /\ndrivers/net/ethernet/marvell/octeontx2/af/mbox.h-1149-\tu8 link_cfg_lvl; / LINKX_CFG CSRs mapped to TL3 or TL2's index ? /\n--\ndrivers/net/ethernet/marvell/octeontx2/af/mbox.h=1152=struct nix_txsch_free_req {\n--\ndrivers/net/ethernet/marvell/octeontx2/af/mbox.h-1161-\ndrivers/net/ethernet/marvell/octeontx2/af/mbox.h:1162:struct nix_txschq_config {\ndrivers/net/ethernet/marvell/octeontx2/af/mbox.h-1163-\tstruct mbox_msghdr hdr;\n--\ndrivers/net/ethernet/marvell/octeontx2/af/mbox.h-1176-\ndrivers/net/ethernet/marvell/octeontx2/af/mbox.h:1177:struct nix_vtag_config {\ndrivers/net/ethernet/marvell/octeontx2/af/mbox.h-1178-\tstruct mbox_msghdr hdr;\n--\ndrivers/net/ethernet/marvell/octeontx2/af/mbox.h=1236=struct nix_vtag_config_rsp {\n--\ndrivers/net/ethernet/marvell/octeontx2/af/mbox.h-1241-\t tx vtag0 \u0026 vtag1 headers, these indices are valid\ndrivers/net/ethernet/marvell/octeontx2/af/mbox.h:1242:\t * when nix_vtag_config mbox requested for vtag0 and/\ndrivers/net/ethernet/marvell/octeontx2/af/mbox.h-1243-\t * or vtag1 configuration.\n--\ndrivers/net/ethernet/marvell/octeontx2/af/mcs.c=1517=static int mcs_probe(struct pci_dev pdev, const struct pci_device_id id)\n--\ndrivers/net/ethernet/marvell/octeontx2/af/mcs.c-1582-\ndrivers/net/ethernet/marvell/octeontx2/af/mcs.c:1583:\t/* per port config /\ndrivers/net/ethernet/marvell/octeontx2/af/mcs.c-1584-\tfor (lmac = 0; lmac \u003c mcs-\u003ehw-\u003elmac_cnt; lmac++)\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rpm.c=11=static struct mac_ops\t\trpm_mac_ops = {\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rpm.c-33-\t.mac_enadis_pause_frm =\t\trpm_lmac_enadis_pause_frm,\ndrivers/net/ethernet/marvell/octeontx2/af/rpm.c:34:\t.mac_pause_frm_config =\t\trpm_lmac_pause_frm_config,\ndrivers/net/ethernet/marvell/octeontx2/af/rpm.c:35:\t.mac_enadis_ptp_config =\trpm_lmac_ptp_config,\ndrivers/net/ethernet/marvell/octeontx2/af/rpm.c-36-\t.mac_rx_tx_enable =\t\trpm_lmac_rx_tx_enable,\ndrivers/net/ethernet/marvell/octeontx2/af/rpm.c-37-\t.mac_tx_enable =\t\trpm_lmac_tx_enable,\ndrivers/net/ethernet/marvell/octeontx2/af/rpm.c:38:\t.pfc_config = rpm_lmac_pfc_config,\ndrivers/net/ethernet/marvell/octeontx2/af/rpm.c-39-\t.mac_get_pfc_frm_cfg = rpm_lmac_get_pfc_frm_cfg,\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rpm.c=46=static struct mac_ops\t\trpm2_mac_ops = {\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rpm.c-68-\t.mac_enadis_pause_frm =\t\trpm_lmac_enadis_pause_frm,\ndrivers/net/ethernet/marvell/octeontx2/af/rpm.c:69:\t.mac_pause_frm_config =\t\trpm_lmac_pause_frm_config,\ndrivers/net/ethernet/marvell/octeontx2/af/rpm.c:70:\t.mac_enadis_ptp_config =\trpm_lmac_ptp_config,\ndrivers/net/ethernet/marvell/octeontx2/af/rpm.c-71-\t.mac_rx_tx_enable =\t\trpm_lmac_rx_tx_enable,\ndrivers/net/ethernet/marvell/octeontx2/af/rpm.c-72-\t.mac_tx_enable =\t\trpm_lmac_tx_enable,\ndrivers/net/ethernet/marvell/octeontx2/af/rpm.c:73:\t.pfc_config = rpm_lmac_pfc_config,\ndrivers/net/ethernet/marvell/octeontx2/af/rpm.c-74-\t.mac_get_pfc_frm_cfg = rpm_lmac_get_pfc_frm_cfg,\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu.c=601=static int rvu_setup_msix_resources(struct rvu rvu)\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu.c-689-\t * create an IOMMU mapping for the physical address configured by\ndrivers/net/ethernet/marvell/octeontx2/af/rvu.c:690:\t * firmware and reconfig RVU_AF_MSIXTR_BASE with IOVA.\ndrivers/net/ethernet/marvell/octeontx2/af/rvu.c-691-\t /\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu.c=3558=static int rvu_probe(struct pci_dev pdev, const struct pci_device_id id)\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu.c-3599-\tif (err) {\ndrivers/net/ethernet/marvell/octeontx2/af/rvu.c:3600:\t\tdev_err(dev, \"DMA mask config failed, abort\\n\");\ndrivers/net/ethernet/marvell/octeontx2/af/rvu.c-3601-\t\tgoto err_release_regions;\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu.h=415=struct hw_cap {\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu.h-425-\tbool\tnix_rx_multicast;\t / Rx packet replication support /\ndrivers/net/ethernet/marvell/octeontx2/af/rvu.h:426:\tbool\tnix_common_dwrr_mtu;\t / Common DWRR MTU for quantum config /\ndrivers/net/ethernet/marvell/octeontx2/af/rvu.h-427-\tbool\tper_pf_mbox_regs; / PF mbox specified in per PF registers ? /\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_cgx.c=431=int rvu_cgx_exit(struct rvu rvu)\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_cgx.c-454- * VF's of mapped PF and other PFs are not allowed. This fn() checks\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_cgx.c:455: * whether a PFFUNC is permitted to do the config or not.\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_cgx.c-456- /\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_cpt.c=899=static void cpt_rxc_time_cfg(struct rvu rvu, struct cpt_rxc_time_cfg_req req,\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_cpt.c-904-\tif (save) {\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_cpt.c:905:\t\t/ Save older config /\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_cpt.c-906-\t\tdfrg_reg = rvu_read64(rvu, blkaddr, CPT_AF_RXC_DFRG);\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_cpt.c=1012=static void cpt_rxc_teardown(struct rvu rvu, int blkaddr)\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_cpt.c-1057-\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_cpt.c:1058:\t/* Restore config /\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_cpt.c-1059-\tcpt_rxc_time_cfg(rvu, \u0026prev, blkaddr, NULL);\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c=944=static int nixlf_rss_ctx_init(struct rvu rvu, int blkaddr,\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-956-\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c:957:\t/* Alloc NIX RSS HW context memory and config the base /\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-958-\terr = qmem_alloc(rvu-\u003edev, \u0026pfvf-\u003erss_ctx, num_indices, hwctx_size);\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c=1512=int rvu_mbox_handler_nix_lf_alloc(struct rvu rvu,\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-1561-\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c:1562:\t/* If RSS is being enabled, check if requested config is valid.\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-1563-\t * RSS table size should be power of two, otherwise\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-1584-\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c:1585:\t/* Alloc NIX RQ HW context memory and config the base /\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-1586-\thwctx_size = 1UL \u003c\u003c ((ctx_cfg \u003e\u003e 4) \u0026 0xF);\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-1603-\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c:1604:\t/ Alloc NIX SQ HW context memory and config the base /\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-1605-\thwctx_size = 1UL \u003c\u003c (ctx_cfg \u0026 0xF);\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-1621-\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c:1622:\t/ Alloc NIX CQ HW context memory and config the base /\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-1623-\thwctx_size = 1UL \u003c\u003c ((ctx_cfg \u003e\u003e 8) \u0026 0xF);\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-1696-\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c:1697:\t/ Configure pkind for TX parse config /\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-1698-\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c=2053=static void nix_reset_tx_linkcfg(struct rvu rvu, int blkaddr,\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-2062-\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c:2063:\t/* Reset TL4's SDP link config /\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-2064-\tif (lvl == NIX_TXSCH_LVL_TL4)\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-2071-\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c:2072:\t/ Reset TL2's CGX or LBK link config /\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-2073-\tfor (link = 0; link \u003c (hw-\u003ecgx_links + hw-\u003elbk_links); link++)\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c=2300=int rvu_mbox_handler_nix_txsch_alloc(struct rvu rvu,\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-2358-\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c:2359:\t\t/* Reset queue config /\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-2360-\t\tfor (idx = 0; idx \u003c req-\u003eschq_contig[lvl]; idx++) {\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c=2843=static void nix_tl1_default_cfg(struct rvu rvu, struct nix_hw nix_hw,\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-2850-\tpfvf_map = nix_hw-\u003etxsch[NIX_TXSCH_LVL_TL1].pfvf_map;\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c:2851:\t/ Skip if PF has already done the config /\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-2852-\tif (TXSCH_MAP_FLAGS(pfvf_map[schq]) \u0026 NIX_TXSCHQ_CFG_DONE)\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-2856-\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c:2857:\t/ On OcteonTx2 the config was in bytes and newer silcons\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-2858-\t * it's changed to weight.\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c=2876=static int nix_txschq_cfg_read(struct rvu rvu, struct nix_hw nix_hw,\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c:2877:\t\t\t int blkaddr, struct nix_txschq_config req,\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c:2878:\t\t\t struct nix_txschq_config rsp)\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-2879-{\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c=2928=int rvu_mbox_handler_nix_txschq_cfg(struct rvu rvu,\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c:2929:\t\t\t\t struct nix_txschq_config req,\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c:2930:\t\t\t\t struct nix_txschq_config rsp)\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-2931-{\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-3007-\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c:3008:\t\t/ Mark config as done for TL1 by PF /\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-3009-\t\tif (schq_regbase \u003e= NIX_AF_TL1X_SCHEDULE(0) \u0026\u0026\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c=3033=static int nix_rx_vtag_cfg(struct rvu rvu, int nixlf, int blkaddr,\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c:3034:\t\t\t struct nix_vtag_config req)\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-3035-{\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c=3138=static int nix_tx_vtag_decfg(struct rvu rvu, int blkaddr,\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c:3139:\t\t\t struct nix_vtag_config req)\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-3140-{\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c=3173=static int nix_tx_vtag_cfg(struct rvu rvu, int blkaddr,\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c:3174:\t\t\t struct nix_vtag_config req,\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-3175-\t\t\t struct nix_vtag_config_rsp rsp)\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c=3216=int rvu_mbox_handler_nix_vtag_cfg(struct rvu rvu,\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c:3217:\t\t\t\t struct nix_vtag_config req,\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-3218-\t\t\t\t struct nix_vtag_config_rsp rsp)\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c=3968=int rvu_mbox_handler_nix_get_hw_info(struct rvu rvu, struct msg_req req,\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-3999-\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c:4000:\t/ Return DWRR_MTU for TLx_SCHEDULE[RR_WEIGHT] config /\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-4001-\tdwrr_mtu = rvu_read64(rvu, blkaddr,\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c=4059=static int set_flowkey_fields(struct nix_rx_flowkey_alg alg, u32 flow_cfg)\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-4077-\t/* Each of the 32 possible flow key algorithm definitions should\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c:4078:\t * fall into above incremental config (except ALG0). Otherwise a\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-4079-\t * single NPC MCAM entry is not sufficient for supporting RSS.\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c=4703=int rvu_mbox_handler_nix_set_hw_frs(struct rvu rvu, struct nix_frs_cfg req,\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-4734-\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c:4735:\t/* Check if config is for SDP link /\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-4736-\tif (req-\u003esdp_link) {\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-4748-\t} else if (pf == 0) {\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c:4749:\t\t/ For VFs of PF0 ingress is LBK port, so config LBK link /\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-4750-\t\tpfvf = rvu_get_pfvf(rvu, pcifunc);\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c=4987=static void rvu_nix_setup_capabilities(struct rvu rvu, int blkaddr)\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-4995-\t * the transmit scheduler queues. And PF/VF drivers were free to\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c:4996:\t * config any value upto 2^24.\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-4997-\t * On CN10K, HW is modified, the quantum configuration at scheduler\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c=5404=void rvu_nix_lf_teardown(struct rvu rvu, u16 pcifunc, int blkaddr, int nixlf)\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-5451-\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c:5452:\t/ reset HW config done for Switch headers /\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-5453-\trvu_npc_set_parse_mode(rvu, pcifunc, OTX2_PRIV_FLAGS_DEFAULT,\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-5455-\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c:5456:\t/ Disabling CGX and NPC config done for PTP /\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-5457-\tif (pfvf-\u003ehw_rx_tstamp_en) {\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-5461-\t\tmac_ops-\u003emac_enadis_ptp_config(cgxd, lmac_id, false);\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c:5462:\t\t/ Undo NPC config done for PTP /\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-5463-\t\tif (npc_config_ts_kpuaction(rvu, pf, pcifunc, false))\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c:5464:\t\t\tdev_err(rvu-\u003edev, \"NPC config for PTP failed\\n\");\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-5465-\t\tpfvf-\u003ehw_rx_tstamp_en = false;\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-5467-\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c:5468:\t/ reset priority flow control config /\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-5469-\trvu_cgx_prio_flow_ctrl_cfg(rvu, pcifunc, 0, 0, 0);\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-5470-\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c:5471:\t/ reset 802.3x flow control config /\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-5472-\trvu_cgx_cfg_pause_frm(rvu, pcifunc, 0, 0);\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_rep.c=202=static int rvu_rep_tx_vlan_cfg(struct rvu rvu, u16 pcifunc,\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_rep.c-205-\tstruct nix_vtag_config_rsp rsp = {};\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_rep.c:206:\tstruct nix_vtag_config req = {};\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_rep.c-207-\tu64 etype = ETH_P_8021Q;\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_rep.c-218-\tif (err) {\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_rep.c:219:\t\tdev_err(rvu-\u003edev, \"Tx vlan config failed\\n\");\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_rep.c-220-\t\treturn err;\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_rep.c=226=static int rvu_rep_rx_vlan_cfg(struct rvu rvu, u16 pcifunc)\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_rep.c-227-{\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_rep.c:228:\tstruct nix_vtag_config req = {};\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_rep.c-229-\tstruct nix_vtag_config_rsp rsp;\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_rep.c-230-\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_rep.c:231:\t/ config strip, capture and size /\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_rep.c-232-\treq.hdr.pcifunc = pcifunc;\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/cn20k.c=245=static u8 cn20k_aura_bpid_idx(struct otx2_nic pfvf, int aura_id)\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/cn20k.c-253-\ndrivers/net/ethernet/marvell/octeontx2/nic/cn20k.c:254:static int cn20k_tc_get_entry_index(struct otx2_flow_config flow_cfg,\ndrivers/net/ethernet/marvell/octeontx2/nic/cn20k.c-255-\t\t\t\t struct otx2_tc_flow node)\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/cn20k.c=295=static bool cn20k_tc_check_entry_shiftable(struct otx2_nic nic,\ndrivers/net/ethernet/marvell/octeontx2/nic/cn20k.c:296:\t\t\t\t\t struct otx2_flow_config flow_cfg,\ndrivers/net/ethernet/marvell/octeontx2/nic/cn20k.c-297-\t\t\t\t\t struct otx2_tc_flow node, int index,\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/cn20k.c=334=void cn20k_tc_update_mcam_table_del_req(struct otx2_nic nic,\ndrivers/net/ethernet/marvell/octeontx2/nic/cn20k.c:335:\t\t\t\t\tstruct otx2_flow_config flow_cfg,\ndrivers/net/ethernet/marvell/octeontx2/nic/cn20k.c-336-\t\t\t\t\tstruct otx2_tc_flow node)\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/cn20k.c=393=int cn20k_tc_update_mcam_table_add_req(struct otx2_nic nic,\ndrivers/net/ethernet/marvell/octeontx2/nic/cn20k.c:394:\t\t\t\t struct otx2_flow_config flow_cfg,\ndrivers/net/ethernet/marvell/octeontx2/nic/cn20k.c-395-\t\t\t\t struct otx2_tc_flow node)\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/cn20k.c=437=static int __cn20k_tc_alloc_entry(struct otx2_nic nic,\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/cn20k.c-441-{\ndrivers/net/ethernet/marvell/octeontx2/nic/cn20k.c:442:\tstruct otx2_flow_config flow_cfg = nic-\u003eflow_cfg;\ndrivers/net/ethernet/marvell/octeontx2/nic/cn20k.c-443-\tstruct npc_install_flow_req req;\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/cn20k.h=20=void cn20k_tc_update_mcam_table_del_req(struct otx2_nic nic,\ndrivers/net/ethernet/marvell/octeontx2/nic/cn20k.h:21:\t\t\t\t\tstruct otx2_flow_config flow_cfg,\ndrivers/net/ethernet/marvell/octeontx2/nic/cn20k.h-22-\t\t\t\t\tstruct otx2_tc_flow node);\ndrivers/net/ethernet/marvell/octeontx2/nic/cn20k.h=23=int cn20k_tc_update_mcam_table_add_req(struct otx2_nic nic,\ndrivers/net/ethernet/marvell/octeontx2/nic/cn20k.h:24:\t\t\t\t struct otx2_flow_config flow_cfg,\ndrivers/net/ethernet/marvell/octeontx2/nic/cn20k.h-25-\t\t\t\t struct otx2_tc_flow node);\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c=392=int otx2_rss_init(struct otx2_nic pfvf)\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c-413-\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c:414:\t/ Flowkey or hash config to be used for generating flow tag /\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c-415-\trss-\u003eflowkey_cfg = rss-\u003eenable ? rss-\u003eflowkey_cfg :\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c=618=int otx2_txschq_config(struct otx2_nic pfvf, int lvl, int prio, bool txschq_for_pfc)\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c-621-\tstruct otx2_hw hw = \u0026pfvf-\u003ehw;\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c:622:\tstruct nix_txschq_config req;\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c-623-\tu64 schq, parent;\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c-652-\t\treq-\u003enum_regs++;\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c:653:\t\t/* MDQ config /\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c-654-\t\tparent = schq_list[NIX_TXSCH_LVL_TL4][prio];\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c-712-\t} else if (lvl == NIX_TXSCH_LVL_TL1) {\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c:713:\t\t/ Default config for TL1.\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c-714-\t\t * For VF this is always ignored.\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c=737=int otx2_smq_flush(struct otx2_nic pfvf, int smq)\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c-738-{\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c:739:\tstruct nix_txschq_config req;\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c-740-\tint rc;\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h=281=enum vfperm {\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h-285-\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h:286:struct otx2_vf_config {\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h-287-\tstruct otx2_nic pf;\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h=337=struct otx2_mac_table {\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h-342-\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h:343:struct otx2_flow_config {\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h-344-\tu16\t\t\tflow_ent;\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h=486=struct otx2_nic {\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h-560-\tstruct otx2_ptp\t\tptp;\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h:561:\tstruct kernel_hwtstamp_config tstamp;\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h-562-\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h=1138=int otx2_config_hwtstamp_get(struct net_device netdev,\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h:1139:\t\t\t struct kernel_hwtstamp_config config);\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h-1140-int otx2_config_hwtstamp_set(struct net_device netdev,\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h:1141:\t\t\t struct kernel_hwtstamp_config config,\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h-1142-\t\t\t struct netlink_ext_ack extack);\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h=1157=int otx2_remove_flow(struct otx2_nic pfvf, u32 location);\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h:1158:int otx2_get_maxflows(struct otx2_flow_config flow_cfg);\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h-1159-void otx2_rss_ctx_flow_del(struct otx2_nic pfvf, int ctx_id);\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h=1253=int otx2_add_mcam_flow_entry(struct otx2_nic nic,\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h-1254-\t\t\t struct npc_install_flow_req req);\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h:1255:int otx2_tc_add_to_flow_list(struct otx2_flow_config flow_cfg,\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h-1256-\t\t\t struct otx2_tc_flow node);\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h=1258=struct otx2_tc_flow \ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h:1259:otx2_tc_get_entry_by_index(struct otx2_flow_config flow_cfg,\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h-1260-\t\t\t int index);\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_dcbnl.c=59=static int otx2_pfc_txschq_alloc_one(struct otx2_nic pfvf, u8 prio)\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_dcbnl.c-70-\t/* Request one schq per level upto max level as configured\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_dcbnl.c:71:\t * link config level. These rest of the scheduler can be\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_dcbnl.c-72-\t * same as hw.txschq_list.\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_dcbnl.c=290=int otx2_config_priority_flow_ctrl(struct otx2_nic pfvf)\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_dcbnl.c-324-\t\t\tdev_warn(pfvf-\u003edev,\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_dcbnl.c:325:\t\t\t\t \"Failed to config PFC\\n\");\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_dcbnl.c-326-\t\t\terr = -EPERM;\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_devlink.c=10=static int otx2_dl_mcam_count_validate(struct devlink devlink, u32 id,\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_devlink.c-15-\tstruct otx2_nic pfvf = otx2_dl-\u003epfvf;\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_devlink.c:16:\tstruct otx2_flow_config flow_cfg;\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_devlink.c-17-\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_devlink.c=50=static int otx2_dl_mcam_count_get(struct devlink devlink, u32 id,\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_devlink.c-55-\tstruct otx2_nic pfvf = otx2_dl-\u003epfvf;\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_devlink.c:56:\tstruct otx2_flow_config flow_cfg;\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_devlink.c-57-\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_ethtool.c=633=static int otx2_set_rss_hash_opts(struct net_device dev,\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_ethtool.c-662-\tcase TCP_V6_FLOW:\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_ethtool.c:663:\t\t/* Different config for v4 and v6 is not supported.\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_ethtool.c-664-\t\t * Both of them have to be either 4-tuple or 2-tuple.\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c=28=enum dmac_req {\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c-32-\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c:33:static void otx2_clear_ntuple_flow_info(struct otx2_nic pfvf, struct otx2_flow_config flow_cfg)\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c-34-{\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c=131=static int otx2_free_ntuple_mcam_entries(struct otx2_nic pfvf)\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c-132-{\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c:133:\tstruct otx2_flow_config flow_cfg = pfvf-\u003eflow_cfg;\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c-134-\tstruct npc_mcam_free_entry_req req;\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c=158=int otx2_alloc_mcam_entries(struct otx2_nic pfvf, u16 count)\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c-159-{\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c:160:\tstruct otx2_flow_config flow_cfg = pfvf-\u003eflow_cfg;\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c-161-\tstruct npc_mcam_alloc_entry_req req;\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c=286=int otx2_mcam_entry_init(struct otx2_nic pfvf)\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c-287-{\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c:288:\tstruct otx2_flow_config flow_cfg = pfvf-\u003eflow_cfg;\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c-289-\tstruct npc_get_field_status_req freq;\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c=428=int otx2vf_mcam_flow_init(struct otx2_nic pfvf)\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c-429-{\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c:430:\tstruct otx2_flow_config flow_cfg;\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c-431-\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c=518=static int otx2_do_add_macfilter(struct otx2_nic pf, const u8 mac)\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c-519-{\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c:520:\tstruct otx2_flow_config flow_cfg = pf-\u003eflow_cfg;\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c-521-\tstruct npc_install_flow_req req;\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c=631=static void otx2_add_flow_to_list(struct otx2_nic pfvf, struct otx2_flow flow)\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c-644-\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c:645:int otx2_get_maxflows(struct otx2_flow_config flow_cfg)\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c-646-{\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c=1188=static int otx2_add_flow_msg(struct otx2_nic pfvf, struct otx2_flow flow)\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c-1189-{\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c:1190:\tstruct otx2_flow_config flow_cfg = pfvf-\u003eflow_cfg;\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c-1191-\tstruct npc_install_flow_req req, treq = { 0 };\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c=1349=int otx2_add_flow(struct otx2_nic pfvf, struct ethtool_rxnfc nfc)\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c-1350-{\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c:1351:\tstruct otx2_flow_config flow_cfg = pfvf-\u003eflow_cfg;\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c-1352-\tstruct ethtool_rx_flow_spec fsp = \u0026nfc-\u003efs;\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c=1525=int otx2_remove_flow(struct otx2_nic pfvf, u32 location)\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c-1526-{\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c:1527:\tstruct otx2_flow_config flow_cfg = pfvf-\u003eflow_cfg;\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c-1528-\tstruct otx2_flow flow;\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c=1592=int otx2_destroy_ntuple_flows(struct otx2_nic pfvf)\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c-1593-{\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c:1594:\tstruct otx2_flow_config flow_cfg = pfvf-\u003eflow_cfg;\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c-1595-\tstruct npc_delete_flow_req req;\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c=1625=int otx2_destroy_mcam_flows(struct otx2_nic pfvf)\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c-1626-{\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c:1627:\tstruct otx2_flow_config flow_cfg = pfvf-\u003eflow_cfg;\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c-1628-\tstruct npc_mcam_free_entry_req req;\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c=1668=int otx2_install_rxvlan_offload_flow(struct otx2_nic pfvf)\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c-1669-{\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c:1670:\tstruct otx2_flow_config flow_cfg = pfvf-\u003eflow_cfg;\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c-1671-\tstruct npc_install_flow_req req;\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c=1697=static int otx2_delete_rxvlan_offload_flow(struct otx2_nic pfvf)\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c-1698-{\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c:1699:\tstruct otx2_flow_config flow_cfg = pfvf-\u003eflow_cfg;\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c-1700-\tstruct npc_delete_flow_req req;\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c=1717=int otx2_enable_rxvlan(struct otx2_nic pf, bool enable)\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c-1718-{\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c:1719:\tstruct nix_vtag_config req;\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c-1720-\tstruct mbox_msghdr rsp_hdr;\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c-1743-\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c:1744:\t/* config strip, capture and size /\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c-1745-\treq-\u003evtag_size = VTAGSIZE_T4;\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c=774=static void otx2_process_pfaf_mbox_msg(struct otx2_nic pf,\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c-794-\tif (devid) {\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c:795:\t\tstruct otx2_vf_config config = \u0026pf-\u003evf_configs[devid - 1];\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c-796-\t\tstruct delayed_work dwork;\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c=935=int otx2_mbox_up_handler_cgx_link_event(struct otx2_nic *pf,\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c-945-\tfor (i = 0; i \u003c pci_num_vf(pf-\u003epdev); i++) {\n\n" }
5/2	2026/09/26 13:16	llm	patch-evaluator	0m Model: gemini-3.8-flash Args: null Results: null Tokens: input: 20998 output: 44 thoughts: 24 Thoughts: Here's a summary of my thought process, as requested: Kconfig Dive Alright, time to dive in. My immediate thought is to check the `drivers/net/ethernet/marvell/octeontx2/Kconfig` file. Given my expertise, this is the logical first step in understanding the configuration options for this Marvell Octeontx2 Ethernet driver. I know that the Kconfig files are the cornerstone of the kernel's build system and hold the key to understanding which features are configurable, how they're exposed to the user, and any dependencies or default settings associated with them. This file will tell me exactly what settings I need to be aware of and any relevant dependencies I need to consider. I expect to find definitions for features like jumbo frame support, hardware offloads, MAC address configuration options, and power management settings, among other relevant functionalities. I'm keen to see the structure of the file and how the configuration options are organized to get a handle on the driver's flexibility and potential configuration pitfalls. This is where the exploration begins.
6/2	2026/09/26 13:16	tool	read-file	0m Args: { "File": "drivers/net/ethernet/marvell/octeontx2/Kconfig", "FirstLine": 1, "LineCount": 60 } Results: { "Contents": " 1:\t# SPDX-License-Identifier: GPL-2.0-only\n 2:\t#\n 3:\t# Marvell RVU Network drivers configuration\n 4:\t#\n 5:\t\n 6:\tconfig OCTEONTX2_MBOX\n 7:\t\ttristate\n 8:\t\n 9:\tconfig OCTEONTX2_AF\n 10:\t\ttristate \"Marvell OcteonTX2 RVU Admin Function driver\"\n 11:\t\tselect OCTEONTX2_MBOX\n 12:\t\tselect NET_DEVLINK\n 13:\t\tdepends on (64BIT \u0026\u0026 COMPILE_TEST) \|\| ARM64\n 14:\t\tdepends on PCI\n 15:\t\tdepends on PTP_1588_CLOCK_OPTIONAL\n 16:\t\thelp\n 17:\t\t This driver supports Marvell's OcteonTX2 Resource Virtualization\n 18:\t\t Unit's admin function manager which manages all RVU HW resources\n 19:\t\t and provides a medium to other PF/VFs to configure HW. Should be\n 20:\t\t enabled for other RVU device drivers to work.\n 21:\t\n 22:\tconfig NDC_DIS_DYNAMIC_CACHING\n 23:\t\tbool \"Disable caching of dynamic entries in NDC\"\n 24:\t\tdepends on OCTEONTX2_AF\n 25:\t\tdefault n\n 26:\t\thelp\n 27:\t\t This config option disables caching of dynamic entries such as NIX SQEs\n 28:\t\t , NPA stack pages etc in NDC. Also locks down NIX SQ/CQ/RQ/RSS and\n 29:\t\t NPA Aura/Pool contexts.\n 30:\t\n 31:\tconfig OCTEONTX2_PF\n 32:\t\ttristate \"Marvell OcteonTX2 NIC Physical Function driver\"\n 33:\t\tselect OCTEONTX2_MBOX\n 34:\t\tselect NET_DEVLINK\n 35:\t\tselect PAGE_POOL\n 36:\t\tselect CRYPTO_LIB_AES if MACSEC\n 37:\t\tdepends on (64BIT \u0026\u0026 COMPILE_TEST) \|\| ARM64\n 38:\t\tselect DIMLIB\n 39:\t\tdepends on PCI\n 40:\t\tdepends on PTP_1588_CLOCK_OPTIONAL\n 41:\t\tdepends on MACSEC \|\| !MACSEC\n 42:\t\thelp\n 43:\t\t This driver supports Marvell's OcteonTX2 NIC physical function.\n 44:\t\n 45:\tconfig OCTEONTX2_VF\n 46:\t\ttristate \"Marvell OcteonTX2 NIC Virtual Function driver\"\n 47:\t\tdepends on OCTEONTX2_PF\n 48:\t\thelp\n 49:\t\t This driver supports Marvell's OcteonTX2 NIC virtual function.\n 50:\t\n 51:\tconfig RVU_ESWITCH\n 52:\t\ttristate \"Marvell RVU E-Switch support\"\n 53:\t\tdepends on OCTEONTX2_PF\n 54:\t\tdefault m\n 55:\t\thelp\n 56:\t\t This driver supports Marvell's RVU E-Switch that\n 57:\t\t provides internal SRIOV packet steering and switching.\n" }
7/2	2026/09/26 13:16	llm	patch-evaluator	0m Model: gemini-3.8-flash Args: null Results: null Tokens: input: 22102 output: 42 thoughts: 338 Thoughts: Analyzing the Driver's Scope Okay, so I'm looking at this driver and immediately see some key dependencies: it's conditional on `(64BIT && COMPILE_TEST) \|\| ARM64` and also requires `PCI`. The text clearly states this driver supports the Marvell OcteonTX2 Resource Virtualization Unit's (RVU) admin function manager. This manager is crucial for handling hardware resources, which makes me think it is a key component to the HW. Other drivers will need this for the RVU to work, which makes sense. Now, let's see. This reminds me of Section 2 of the instructions where structurally unreachable hardware is mentioned: things like vendor-specific PCIe switches, SmartNICs, or GPU drivers that require real hardware not emulated in standard QEMU, along with driver teardown callbacks that are executed only in specific conditions. Aha! Here's where it gets interesting. The target architecture is `amd64`. But, the `OCTEONTX2_AF` feature depends on `(64BIT && COMPILE_TEST) \|\| ARM64`. That means on x86_64, which is the current platform, it only gets compiled if `COMPILE_TEST` is enabled. My key question here is, is the Marvell OcteonTX2 actually a physical device, a SmartNIC, or some kind of vendor-specific SoC/ASIC? That's what I need to determine. I need to figure out if this is even relevant on this x86_64 system. I'll need to check the probe functions in `rvu.c` and what `rvu_nix.c` is doing to find out. I need to understand what this is probing for to determine whether this is relevant to the current system, or is just a conditional inclusion that will not be executed.
8/2	2026/09/26 13:16	tool	grepper	0m Args: { "Expression": "pci_register_driver", "PathPrefix": "drivers/net/ethernet/marvell/octeontx2/" } Results: { "Output": "drivers/net/ethernet/marvell/octeontx2/af/rvu.c=3761=static int __init rvu_init_module(void)\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu.c-3766-\ndrivers/net/ethernet/marvell/octeontx2/af/rvu.c:3767:\terr = pci_register_driver(\u0026cgx_driver);\ndrivers/net/ethernet/marvell/octeontx2/af/rvu.c-3768-\tif (err \u003c 0)\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu.c-3770-\ndrivers/net/ethernet/marvell/octeontx2/af/rvu.c:3771:\terr = pci_register_driver(\u0026ptp_driver);\ndrivers/net/ethernet/marvell/octeontx2/af/rvu.c-3772-\tif (err \u003c 0)\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu.c-3774-\ndrivers/net/ethernet/marvell/octeontx2/af/rvu.c:3775:\terr = pci_register_driver(\u0026mcs_driver);\ndrivers/net/ethernet/marvell/octeontx2/af/rvu.c-3776-\tif (err \u003c 0)\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu.c-3778-\ndrivers/net/ethernet/marvell/octeontx2/af/rvu.c:3779:\terr = pci_register_driver(\u0026rvu_driver);\ndrivers/net/ethernet/marvell/octeontx2/af/rvu.c-3780-\tif (err \u003c 0)\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c=3581=static int __init otx2_rvupf_init_module(void)\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c-3584-\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c:3585:\treturn pci_register_driver(\u0026otx2_pf_driver);\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c-3586-}\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_vf.c=875=static int __init otx2vf_init_module(void)\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_vf.c-878-\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_vf.c:879:\treturn pci_register_driver(\u0026otx2vf_driver);\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_vf.c-880-}\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/rep.c=869=static int __init rvu_rep_init_module(void)\ndrivers/net/ethernet/marvell/octeontx2/nic/rep.c-870-{\ndrivers/net/ethernet/marvell/octeontx2/nic/rep.c:871:\treturn pci_register_driver(\u0026rvu_rep_driver);\ndrivers/net/ethernet/marvell/octeontx2/nic/rep.c-872-}\n" }
9/2	2026/09/26 13:16	llm	patch-evaluator	0m Model: gemini-3.8-flash Args: null Results: null Tokens: input: 23854 output: 42 thoughts: 24 Thoughts: Okay, let's dive into this. Here's my thought process summarized, assuming I'm already pretty familiar with driver development and PCI devices: Examining the Device ID Table in the RVU Driver Alright, I need to get a handle on how this `rvu` driver is identifying and managing its PCI devices. My first instinct is to zero in on the `pci_device_id` table within `rvu.c`. That's the go-to spot for understanding which specific hardware the driver is designed to work with. I'm going to scan that table and look for the device identifiers (Vendor ID, Device ID, Subsystem Vendor ID, and Subsystem Device ID) that it recognizes. That will give me a clear picture of its intended target hardware and how it's handled. It also might be useful to understand how to add/remove IDs.
10/2	2026/09/26 13:16	tool	grepper	0m Args: { "Expression": "rvu_driver", "PathPrefix": "drivers/net/ethernet/marvell/octeontx2/af/" } Results: { "Output": "drivers/net/ethernet/marvell/octeontx2/af/rvu.c=3743=static void rvu_shutdown(struct pci_dev *pdev)\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu.c-3752-\ndrivers/net/ethernet/marvell/octeontx2/af/rvu.c:3753:static struct pci_driver rvu_driver = {\ndrivers/net/ethernet/marvell/octeontx2/af/rvu.c-3754-\t.name = DRV_NAME,\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu.c=3761=static int __init rvu_init_module(void)\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu.c-3778-\ndrivers/net/ethernet/marvell/octeontx2/af/rvu.c:3779:\terr = pci_register_driver(\u0026rvu_driver);\ndrivers/net/ethernet/marvell/octeontx2/af/rvu.c-3780-\tif (err \u003c 0)\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu.c=3794=static void __exit rvu_cleanup_module(void)\ndrivers/net/ethernet/marvell/octeontx2/af/rvu.c-3795-{\ndrivers/net/ethernet/marvell/octeontx2/af/rvu.c:3796:\tpci_unregister_driver(\u0026rvu_driver);\ndrivers/net/ethernet/marvell/octeontx2/af/rvu.c-3797-\tpci_unregister_driver(\u0026mcs_driver);\n" }
11/2	2026/09/26 13:16	llm	patch-evaluator	0m Model: gemini-3.8-flash Args: null Results: null Tokens: input: 24586 output: 51 thoughts: 36 Thoughts: Okay, let's dive in. Inspecting the RVU Driver Declaration Right, I need to understand how the RVU driver is defined within the Marvell Octeon TX2 AF framework. My focus is on the `rvu_driver` declaration itself. I need to get a clear picture of its structure, how it's initialized, and any key properties defined within it. Specifically, I'm heading to `drivers/net/ethernet/marvell/octeontx2/af/rvu.c` to pinpoint the declaration and its details. This is the entry point for understanding the RVU driver's interaction with the broader system. I'm looking for the essential foundation of the driver.
12/2	2026/09/26 13:16	tool	read-file	0m Args: { "File": "drivers/net/ethernet/marvell/octeontx2/af/rvu.c", "FirstLine": 3735, "LineCount": 40 } Results: { "Contents": "3735:\t\tpci_set_drvdata(pdev, NULL);\n3736:\t\n3737:\t\tdevm_kfree(\u0026pdev-\u003edev, rvu-\u003ehw);\n3738:\t\trvu_free_cn20k_mbox_memory(rvu);\n3739:\t\tdevm_kfree(\u0026pdev-\u003edev, rvu);\n3740:\t\tatomic_set(\u0026device_bound, 0);\n3741:\t}\n3742:\t\n3743:\tstatic void rvu_shutdown(struct pci_dev pdev)\n3744:\t{\n3745:\t\tstruct rvu rvu = pci_get_drvdata(pdev);\n3746:\t\n3747:\t\tif (!rvu)\n3748:\t\t\treturn;\n3749:\t\n3750:\t\trvu_clear_rvum_blk_revid(rvu);\n3751:\t}\n3752:\t\n3753:\tstatic struct pci_driver rvu_driver = {\n3754:\t\t.name = DRV_NAME,\n3755:\t\t.id_table = rvu_id_table,\n3756:\t\t.probe = rvu_probe,\n3757:\t\t.remove = rvu_remove,\n3758:\t\t.shutdown = rvu_shutdown,\n3759:\t};\n3760:\t\n3761:\tstatic int __init rvu_init_module(void)\n3762:\t{\n3763:\t\tint err;\n3764:\t\n3765:\t\tpr_info(\"%s: %s\\n\", DRV_NAME, DRV_STRING);\n3766:\t\n3767:\t\terr = pci_register_driver(\u0026cgx_driver);\n3768:\t\tif (err \u003c 0)\n3769:\t\t\treturn err;\n3770:\t\n3771:\t\terr = pci_register_driver(\u0026ptp_driver);\n3772:\t\tif (err \u003c 0)\n3773:\t\t\tgoto ptp_err;\n3774:\t\n" }
13/2	2026/09/26 13:16	llm	patch-evaluator	0m Model: gemini-3.8-flash Args: null Results: null Tokens: input: 25397 output: 44 thoughts: 19 Thoughts: Okay, let's dive into this. Here's my take on those thoughts, as if they're my own: Investigating the `rvu_id_table` within `rvu.c` Alright, time to get my hands dirty. My initial thought process is pretty straightforward: I need to understand what's happening with that `rvu_id_table`. Specifically, I'm thinking, "Okay, where is this `rvu_id_table` defined and used within the `rvu.c` file?" My goal is to get a handle on its purpose, how it's structured, and how it interacts with the rest of the RVU system. This table is likely central to ID management within the RVU architecture, and as an expert, I know that getting a grasp of its data model will be critical to fully understand how the system is put together. I need to figure out the use of this table and see how it fits into the code overall.
14/2	2026/09/26 13:16	tool	grepper	0m Args: { "Expression": "rvu_id_table", "PathPrefix": "drivers/net/ethernet/marvell/octeontx2/af/" } Results: { "Output": "drivers/net/ethernet/marvell/octeontx2/af/rvu.c=41=static irqreturn_t rvu_mbox_intr_handler(int irq, void rvu_irq);\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu.c-43-/ Supported devices */\ndrivers/net/ethernet/marvell/octeontx2/af/rvu.c:44:static const struct pci_device_id rvu_id_table[] = {\ndrivers/net/ethernet/marvell/octeontx2/af/rvu.c-45-\t{ PCI_DEVICE(PCI_VENDOR_ID_CAVIUM, PCI_DEVID_OCTEONTX2_RVU_AF) },\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu.c=51=MODULE_LICENSE(\"GPL v2\");\ndrivers/net/ethernet/marvell/octeontx2/af/rvu.c:52:MODULE_DEVICE_TABLE(pci, rvu_id_table);\ndrivers/net/ethernet/marvell/octeontx2/af/rvu.c-53-\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu.c=3753=static struct pci_driver rvu_driver = {\ndrivers/net/ethernet/marvell/octeontx2/af/rvu.c-3754-\t.name = DRV_NAME,\ndrivers/net/ethernet/marvell/octeontx2/af/rvu.c:3755:\t.id_table = rvu_id_table,\ndrivers/net/ethernet/marvell/octeontx2/af/rvu.c-3756-\t.probe = rvu_probe,\n" }
15/2	2026/09/26 13:16	llm	patch-evaluator	0m Model: gemini-3.8-flash Args: null Results: null Tokens: input: 26143 output: 49 thoughts: 26 Thoughts: Okay, let's dive into this. Here's how I'd approach that snippet, considering I'm an expert in this field. Analyzing `rvu_id_table` Lines 43-50 in `rvu.c` Alright, I need to get my head around what's happening in `rvu.c` lines 43-50 concerning the `rvu_id_table`. I'm immediately thinking, "What's the context here?" Is this initialization, a lookup, an update, a cleanup? The name `rvu_id_table` itself is a good starting point. It strongly suggests a mapping of some sort of RVU identifier to… something. Based on the file context (which I'm assuming for now is relevant) this "something" is likely related to the overall RVU architecture. I need to quickly assess the code. I'll need to look for data structures, variable declarations, and function calls related to this table. I'm looking for things like mutexes or spinlocks, because concurrent access to this ID table is usually involved. What functions are being called around this section? Are there any obvious potential race conditions? Is this table dynamically allocated? I should note if I see any potential issues immediately. I'm probably going to be mentally making notes. Something like: "Line 43: Allocation? Initialization?" "Line 45: Lookup function. What is the return value?" "Line 48: Conditional check – what's the logic?" Is this chunk of code involved in setting up the RVU architecture, managing device identification, or something else entirely? A critical part of my analysis here is understanding the purpose of these lines within the broader code. What are they supposed to achieve? Does it handle error cases correctly, and does it align with the rest of the RVU's overall design? I'm also considering potential optimizations. Could this section of code be more efficient? Are there any redundant operations? Is there a better algorithm or data structure I could use? Are any of the variables declared properly for their usage? Can I visualize the control flow, the data dependencies, and the potential for any issues? My goal is to understand the code, identify its function, evaluate its correctness, and consider potential improvements, all with a critical eye. This will allow me to provide the user with a reliable assessment.
16/2	2026/09/26 13:16	tool	read-file	0m Args: { "File": "drivers/net/ethernet/marvell/octeontx2/af/rvu.c", "FirstLine": 40, "LineCount": 15 } Results: { "Contents": " 40:\tstatic irqreturn_t rvu_mbox_pf_intr_handler(int irq, void rvu_irq);\n 41:\tstatic irqreturn_t rvu_mbox_intr_handler(int irq, void rvu_irq);\n 42:\t\n 43:\t/* Supported devices /\n 44:\tstatic const struct pci_device_id rvu_id_table[] = {\n 45:\t\t{ PCI_DEVICE(PCI_VENDOR_ID_CAVIUM, PCI_DEVID_OCTEONTX2_RVU_AF) },\n 46:\t\t{ 0, } / end of table /\n 47:\t};\n 48:\t\n 49:\tMODULE_AUTHOR(\"Sunil Goutham \u003csgoutham@marvell.com\u003e\");\n 50:\tMODULE_DESCRIPTION(DRV_STRING);\n 51:\tMODULE_LICENSE(\"GPL v2\");\n 52:\tMODULE_DEVICE_TABLE(pci, rvu_id_table);\n 53:\t\n 54:\tstatic char mkex_profile; /* MKEX profile name */\n" }
17/2	2026/09/26 13:16	llm	patch-evaluator	0m Model: gemini-3.8-flash Args: null Results: null Tokens: input: 27021 output: 28 thoughts: 326 Thoughts: Analyzing the OcteonTX2 RVU AF Device in a QEMU Context Okay, so I'm looking at `PCI_DEVICE(PCI_VENDOR_ID_CAVIUM, PCI_DEVID_OCTEONTX2_RVU_AF)`. That's the Cavium (now Marvell) OcteonTX2 Resource Virtualization Unit Admin Function. Right off the bat, I know this is vendor-specific hardware, a PCI device specific to the OcteonTX2 SoC, probably in a SmartNIC or NIC. My immediate question is, "Is this emulated in QEMU?" And the answer, as I suspect, is no. Standard QEMU doesn't emulate the RVU AF (0x177d vendor ID Cavium). Furthermore, the architecture is AMD64, which complicates things because the device is for an ARM64 OcteonTX2. I know it can compile with `COMPILE_TEST` on 64-bit, but the actual device is only going to exist on the actual Cavium/Marvell hardware. Let me just confirm my suspicions by checking the documentation. Yup, Section 2 of the instructions confirms it: "Structurally unreachable hardware...vendor-specific PCIe switches, SmartNICs..." Exactly what I thought. Now, let's think strategically. Even if it's not a direct emulation, is there any possibility of reaching `rvu_mbox_handler_nix_txsch_alloc` or `nix_txsch_alloc` through a virtual bus, a mock device, or even a user-space interface? I'm going to search for callers of `rvu_mbox_handler_nix_txsch_alloc` to get a better sense of how it's used. Let's see if there's any indirect path.
18/2	2026/09/26 13:16	tool	grepper	0m Args: { "Expression": "rvu_mbox_handler_nix_txsch_alloc" } Results: { "Output": "drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c=2198=static int nix_txsch_alloc(struct rvu rvu, struct nix_txsch txsch,\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-2299-\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c:2300:int rvu_mbox_handler_nix_txsch_alloc(struct rvu rvu,\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-2301-\t\t\t\t struct nix_txsch_alloc_req req,\n" }
19/2	2026/09/26 13:16	llm	patch-evaluator	0m Model: gemini-3.8-flash Args: null Results: null Tokens: input: 27976 output: 43 thoughts: 46 Thoughts: Okay, let's dive into this `rvu_mbox_handler_nix_txsch_alloc` function. My initial thought process is to understand its role within the Marvell RVU architecture. Specifically, I'm trying to figure out how this particular mailbox handler is integrated. My experience tells me that mailbox handlers in these systems are often managed in one of two ways: either they're neatly cataloged in a table or dispatched through macros. I need to trace its registration or invocation to grasp its position in the overall data flow.
20/2	2026/09/26 13:16	tool	grepper	0m Args: { "Expression": "nix_txsch_alloc", "PathPrefix": "drivers/net/ethernet/marvell/octeontx2/" } Results: { "Output": "drivers/net/ethernet/marvell/octeontx2/af/mbox.h=319=M(NIX_HWCTX_DISABLE,\t0x8003, nix_hwctx_disable,\t\t\t\\\ndrivers/net/ethernet/marvell/octeontx2/af/mbox.h-320-\t\t\t\t hwctx_disable_req, msg_rsp)\t\t\\\ndrivers/net/ethernet/marvell/octeontx2/af/mbox.h:321:M(NIX_TXSCH_ALLOC,\t0x8004, nix_txsch_alloc,\t\t\t\\\ndrivers/net/ethernet/marvell/octeontx2/af/mbox.h:322:\t\t\t\t nix_txsch_alloc_req, nix_txsch_alloc_rsp) \\\ndrivers/net/ethernet/marvell/octeontx2/af/mbox.h-323-M(NIX_TXSCH_FREE,\t0x8005, nix_txsch_free, nix_txsch_free_req, msg_rsp) \\\n--\ndrivers/net/ethernet/marvell/octeontx2/af/mbox.h=1116=struct nix_aq_enq_rsp {\n--\ndrivers/net/ethernet/marvell/octeontx2/af/mbox.h-1131-\ndrivers/net/ethernet/marvell/octeontx2/af/mbox.h:1132:struct nix_txsch_alloc_req {\ndrivers/net/ethernet/marvell/octeontx2/af/mbox.h-1133-\tstruct mbox_msghdr hdr;\n--\ndrivers/net/ethernet/marvell/octeontx2/af/mbox.h-1138-\ndrivers/net/ethernet/marvell/octeontx2/af/mbox.h:1139:struct nix_txsch_alloc_rsp {\ndrivers/net/ethernet/marvell/octeontx2/af/mbox.h-1140-\tstruct mbox_msghdr hdr;\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c=2149=static int nix_check_txschq_alloc_req(struct rvu rvu, int lvl, u16 pcifunc,\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-2150-\t\t\t\t struct nix_hw nix_hw,\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c:2151:\t\t\t\t struct nix_txsch_alloc_req req)\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-2152-{\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-2197-\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c:2198:static int nix_txsch_alloc(struct rvu rvu, struct nix_txsch txsch,\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c:2199:\t\t\t struct nix_txsch_alloc_rsp rsp,\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-2200-\t\t\t int lvl, int start, int end)\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-2299-\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c:2300:int rvu_mbox_handler_nix_txsch_alloc(struct rvu rvu,\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c:2301:\t\t\t\t struct nix_txsch_alloc_req req,\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c:2302:\t\t\t\t struct nix_txsch_alloc_rsp rsp)\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-2303-{\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-2355-\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c:2356:\t\tif (nix_txsch_alloc(rvu, txsch, rsp, lvl, start, end))\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-2357-\t\t\tgoto err;\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c=761=int otx2_txsch_alloc(struct otx2_nic pfvf)\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c-763-\tint chan_cnt = pfvf-\u003ehw.tx_chan_cnt;\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c:764:\tstruct nix_txsch_alloc_req req;\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c:765:\tstruct nix_txsch_alloc_rsp rsp;\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c-766-\tint lvl, schq, rc;\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c-768-\t/* Get memory to put this msg /\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c:769:\treq = otx2_mbox_alloc_msg_nix_txsch_alloc(\u0026pfvf-\u003embox);\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c-770-\tif (!req)\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c-785-\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c:786:\trsp = (struct nix_txsch_alloc_rsp )\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c-787-\t otx2_mbox_get_rsp(\u0026pfvf-\u003embox.mbox, 0, \u0026req-\u003ehdr);\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h=1111=void mbox_handler_nix_lf_alloc(struct otx2_nic pfvf,\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h-1112-\t\t\t struct nix_lf_alloc_rsp rsp);\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h:1113:void mbox_handler_nix_txsch_alloc(struct otx2_nic pf,\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h:1114:\t\t\t\t struct nix_txsch_alloc_rsp rsp);\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h-1115-void mbox_handler_cgx_stats(struct otx2_nic pfvf,\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_dcbnl.c=59=static int otx2_pfc_txschq_alloc_one(struct otx2_nic pfvf, u8 prio)\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_dcbnl.c-60-{\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_dcbnl.c:61:\tstruct nix_txsch_alloc_req req;\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_dcbnl.c:62:\tstruct nix_txsch_alloc_rsp rsp;\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_dcbnl.c-63-\tint lvl, rc;\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_dcbnl.c-65-\t/* Get memory to put this msg /\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_dcbnl.c:66:\treq = otx2_mbox_alloc_msg_nix_txsch_alloc(\u0026pfvf-\u003embox);\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_dcbnl.c-67-\tif (!req)\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_dcbnl.c-80-\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_dcbnl.c:81:\trsp = (struct nix_txsch_alloc_rsp )\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_dcbnl.c-82-\t otx2_mbox_get_rsp(\u0026pfvf-\u003embox.mbox, 0, \u0026req-\u003ehdr);\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/qos.c=688=static int otx2_qos_txschq_alloc(struct otx2_nic pfvf,\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/qos.c-690-{\ndrivers/net/ethernet/marvell/octeontx2/nic/qos.c:691:\tstruct nix_txsch_alloc_req req;\ndrivers/net/ethernet/marvell/octeontx2/nic/qos.c:692:\tstruct nix_txsch_alloc_rsp rsp;\ndrivers/net/ethernet/marvell/octeontx2/nic/qos.c-693-\tstruct mbox mbox = \u0026pfvf-\u003embox;\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/qos.c-696-\tmutex_lock(\u0026mbox-\u003elock);\ndrivers/net/ethernet/marvell/octeontx2/nic/qos.c:697:\treq = otx2_mbox_alloc_msg_nix_txsch_alloc(\u0026pfvf-\u003embox);\ndrivers/net/ethernet/marvell/octeontx2/nic/qos.c-698-\tif (!req) {\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/qos.c-713-\ndrivers/net/ethernet/marvell/octeontx2/nic/qos.c:714:\trsp = (struct nix_txsch_alloc_rsp *)\ndrivers/net/ethernet/marvell/octeontx2/nic/qos.c-715-\t otx2_mbox_get_rsp(\u0026pfvf-\u003embox.mbox, 0, \u0026req-\u003ehdr);\n" }
21/2	2026/09/26 13:16	llm	patch-evaluator	0m Model: gemini-3.8-flash Args: null Results: null Tokens: input: 31125 output: 131 thoughts: 671 Thoughts: Analysis of the Code's Fuzzing Suitability Okay, let's break this down. The patch touches `drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c`, specifically `nix_txsch_alloc()` and `rvu_mbox_handler_nix_txsch_alloc()`. This screams Marvell OcteonTX2 RVU Admin Function (AF) driver, which, as we know, is a PCI driver tied to the Cavium/Marvell OcteonTX2 hardware, specifically the `PCI_DEVID_OCTEONTX2_RVU_AF` device (0xA065). This AF driver is all about receiving mailbox messages from the OcteonTX2 PF/VF drivers running on the same hardware. The crucial question is, is this hardware emulated in QEMU? No, definitely not. QEMU doesn't touch the Marvell OcteonTX2 RVU AF hardware. Now, let's apply the criteria. We're looking for when to return `WorthFuzzing=false`, and the negative criteria is clear. This falls directly under the "Structurally unreachable hardware" category: "Vendor-specific PCIe switches, SmartNICs... requiring physical ASIC/PCIe cards not emulated in standard QEMU". This is precisely what we have here. It's a vendor-specific SmartNIC driver that needs the physical ASIC/PCIe card. Furthermore, the OcteonTX2 is ARM64 based, and the target architecture here is amd64. Therefore, my conclusion is: * `WorthFuzzing: false.` * `FocusSymbols: []` * `EnableConfigs: []` (or empty) I'm double-checking, just to be thorough: * The patch hits `drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c` (`nix_txsch_alloc` and `rvu_mbox_handler_nix_txsch_alloc`). * Marvell OcteonTX2 RVU AF is explicitly for Marvell/Cavium OcteonTX2 hardware (PCI 0x177d:0xa065). * It needs physical OcteonTX2 hardware/ASIC, and QEMU doesn't emulate it. * Thus, the code is structurally unreachable during fuzzing. Yep, the logic is sound. We're good to go.
22/2	2026/09/26 13:16	tool	set-results	0m Args: { "EnableConfigs": [], "FocusSymbols": [], "Reasoning": "The patch modifies queue allocation error handling in the Marvell OcteonTX2 RVU Admin Function driver (`drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c`). This driver targets vendor-specific Marvell/Cavium OcteonTX2 hardware and requires physical ASIC/PCIe hardware that is not emulated in standard QEMU/virtualized environments. Therefore, the modified code is structurally unreachable for fuzzing.", "WorthFuzzing": false } Results: { "EnableConfigs": null, "FocusSymbols": [], "Reasoning": "The patch modifies queue allocation error handling in the Marvell OcteonTX2 RVU Admin Function driver (`drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c`). This driver targets vendor-specific Marvell/Cavium OcteonTX2 hardware and requires physical ASIC/PCIe hardware that is not emulated in standard QEMU/virtualized environments. Therefore, the modified code is structurally unreachable for fuzzing.", "WorthFuzzing": false }
23/1	2026/09/26 13:16	action	If	0m Args: { "WorthFuzzing": false } Results: null

{
  "EnableConfigs": null,
  "FocusSymbols": [],
  "KMSANReasoning": "",
  "NeedsKMSAN": false,
  "Reasoning": "The patch modifies queue allocation error handling in the Marvell OcteonTX2 RVU Admin Function driver (`drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c`). This driver targets vendor-specific Marvell/Cavium OcteonTX2 hardware and requires physical ASIC/PCIe hardware that is not emulated in standard QEMU/virtualized environments. Therefore, the modified code is structurally unreachable for fuzzing.",
  "WorthFuzzing": false
}

{
  "PatchDiff": "commit b9501c7209ff292eea6aa73ed915096efb3bc6fb\nAuthor: syz-cluster \u003ctriage@syzkaller.com\u003e\nDate:   Sat Sep 26 13:15:41 2026 +0000\n\n    syz-cluster: applied patch under review\n\ndiff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c\nindex 153eb57bad067..28e70bae51cad 100644\n--- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c\n+++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c\n@@ -2195,12 +2195,14 @@ static int nix_check_txschq_alloc_req(struct rvu *rvu, int lvl, u16 pcifunc,\n \treturn 0;\n }\n \n-static void nix_txsch_alloc(struct rvu *rvu, struct nix_txsch *txsch,\n-\t\t\t    struct nix_txsch_alloc_rsp *rsp,\n-\t\t\t    int lvl, int start, int end)\n+static int nix_txsch_alloc(struct rvu *rvu, struct nix_txsch *txsch,\n+\t\t\t   struct nix_txsch_alloc_rsp *rsp,\n+\t\t\t   int lvl, int start, int end)\n {\n+\tint want_contig = rsp-\u003eschq_contig[lvl];\n \tstruct rvu_hwinfo *hw = rvu-\u003ehw;\n \tu16 pcifunc = rsp-\u003ehdr.pcifunc;\n+\tint want = rsp-\u003eschq[lvl];\n \tint idx, schq;\n \n \t/* For traffic aggregating levels, queue alloc is based\n@@ -2221,7 +2223,7 @@ static void nix_txsch_alloc(struct rvu *rvu, struct nix_txsch *txsch,\n \t\t\trsp-\u003eschq[lvl] = 1;\n \t\t\trsp-\u003eschq_list[lvl][0] = start;\n \t\t}\n-\t\treturn;\n+\t\treturn 0;\n \t}\n \n \t/* Adjust the queue request count if HW supports\n@@ -2233,7 +2235,7 @@ static void nix_txsch_alloc(struct rvu *rvu, struct nix_txsch *txsch,\n \t\tif (idx \u003e= (end - start) || test_bit(schq, txsch-\u003eschq.bmap)) {\n \t\t\trsp-\u003eschq_contig[lvl] = 0;\n \t\t\trsp-\u003eschq[lvl] = 0;\n-\t\t\treturn;\n+\t\t\treturn -ENOMEM;\n \t\t}\n \n \t\tif (rsp-\u003eschq_contig[lvl]) {\n@@ -2246,7 +2248,7 @@ static void nix_txsch_alloc(struct rvu *rvu, struct nix_txsch *txsch,\n \t\t\tset_bit(schq, txsch-\u003eschq.bmap);\n \t\t\trsp-\u003eschq_list[lvl][0] = schq;\n \t\t}\n-\t\treturn;\n+\t\treturn 0;\n \t}\n \n \t/* Allocate contiguous queue indices requesty first */\n@@ -2277,6 +2279,22 @@ static void nix_txsch_alloc(struct rvu *rvu, struct nix_txsch *txsch,\n \t\t/* Update how many were allocated */\n \t\trsp-\u003eschq[lvl] = idx;\n \t}\n+\n+\tif ((want_contig \u0026\u0026 !rsp-\u003eschq_contig[lvl]) || (want \u0026\u0026 !rsp-\u003eschq[lvl]))\n+\t\tgoto err;\n+\n+\treturn 0;\n+\n+err:\n+\tfor (idx = 0; idx \u003c rsp-\u003eschq_contig[lvl]; idx++)\n+\t\tclear_bit(rsp-\u003eschq_contig_list[lvl][idx], txsch-\u003eschq.bmap);\n+\n+\tfor (idx = 0; idx \u003c rsp-\u003eschq[lvl]; idx++)\n+\t\tclear_bit(rsp-\u003eschq_list[lvl][idx], txsch-\u003eschq.bmap);\n+\n+\trsp-\u003eschq_contig[lvl] = 0;\n+\trsp-\u003eschq[lvl] = 0;\n+\treturn -ENOMEM;\n }\n \n int rvu_mbox_handler_nix_txsch_alloc(struct rvu *rvu,\n@@ -2335,7 +2353,8 @@ int rvu_mbox_handler_nix_txsch_alloc(struct rvu *rvu,\n \t\t\tend = txsch-\u003eschq.max;\n \t\t}\n \n-\t\tnix_txsch_alloc(rvu, txsch, rsp, lvl, start, end);\n+\t\tif (nix_txsch_alloc(rvu, txsch, rsp, lvl, start, end))\n+\t\t\tgoto err;\n \n \t\t/* Reset queue config */\n \t\tfor (idx = 0; idx \u003c req-\u003eschq_contig[lvl]; idx++) {\n"
}

{
  "EnableConfigs": null,
  "FocusSymbols": [],
  "Reasoning": "The patch modifies queue allocation error handling in the Marvell OcteonTX2 RVU Admin Function driver (`drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c`). This driver targets vendor-specific Marvell/Cavium OcteonTX2 hardware and requires physical ASIC/PCIe hardware that is not emulated in standard QEMU/virtualized environments. Therefore, the modified code is structurally unreachable for fuzzing.",
  "WorthFuzzing": false
}

You are an expert Linux kernel maintainer and security engineer.
Your job is to review a provided patch series and evaluate whether it warrants fuzzing with syzkaller.

IMPORTANT: The changes have ALREADY been applied and committed as the HEAD commit in
your workspace. Do NOT rely on internal assumptions. You must actively use your code access
tools to inspect the actual source code, callers, and surrounding context.

================================================================================
1. CORE TRIAGE PHILOSOPHY
================================================================================
The goal of patch fuzzing is to discover crashes, regressions, exposed latent bugs,
and newly triggered assertions introduced by the patch series.

- REACHABILITY IS THE PRIMARY GATE:
  Fuzzing can only discover bugs in code that can actually execute in standard virtualized
  environments (GCE or QEMU, utilizing software-emulated devices like USB gadgets, netdev, tun/tap).
  If the modified code is structurally unreachable (see Section 2), it MUST NOT be fuzzed,
  regardless of whether it adds assertions or complex logic.

- DO NOT BLINDLY TRUST "NO FUNCTIONAL CHANGE" (NFCI) OR "REFACTORING" CLAIMS:
  Patch authors routinely label changes as "cleanups", "refactorings", or state
  "No functional change intended". Do NOT take these claims at face value.
  Code refactorings that rearrange logic, introduce helper functions, or alter state management
  in core subsystems frequently introduce subtle semantic shifts or uncover latent kernel bugs.
  If reachable executable code is modified or refactored, it MUST be fuzzed.

- NEW OR MODIFIED ASSERTIONS IN REACHABLE CODE MUST BE FUZZED:
  When a patch introduces or modifies runtime checks or assertions (e.g., WARN_ON*, VM_WARN_ON*,
  BUG_ON*, lockdep_assert*) in reachable code paths, it enforces new or stricter invariants.
  Even if the author believes the invariant always holds, fuzzing is essential to verify whether
  an unusual sequence of operations can violate it.

================================================================================
2. WHEN TO RETURN WorthFuzzing=false (NEGATIVE CRITERIA)
================================================================================
Return WorthFuzzing=false ONLY IF all modified code falls strictly into one or more of these categories:

- Non-kernel and non-executable changes:
  * Modifications to Documentation/, comments, or spelling fixes.
  * User-space directories, self-tests, samples, or scripts (e.g., tools/, samples/, scripts/, usr/)
    that do not affect the compiled kernel image (vmlinux) or kernel modules.
  * Purely decorative logging (e.g., message strings in pr_err, printk, dev_info) or tracepoints
    that do not alter control flow or data structures.
  * Build system or Kconfig changes that do not alter compiled C logic.
- Structurally unreachable hardware:
  * Vendor-specific PCIe switches, SmartNICs, or GPU drivers (e.g., mlxsw, pds_core, qed,
    ionic, amdgpu) requiring physical ASIC/PCIe cards not emulated in standard QEMU.
- Unreachable execution paths:
  * Driver teardown callbacks (.remove, .shutdown, pci_unregister_driver) executed only during
    physical PCI hot-unplug or manual sysfs driver unbinding.
  * Code paths exclusive to architectures other than the target architecture.

================================================================================
3. WHEN TO RETURN WorthFuzzing=true (POSITIVE CRITERIA)
================================================================================
Return WorthFuzzing=true whenever the patch touches reachable executable code, including:
- Core Subsystems:
  * Any logic modifications in memory management (mm/), synchronization/locking (kernel/locking/),
    BPF, scheduler, core networking, VFS, or syscall handling.
- Refactorings and Code Cleanups:
  * Any restructuring of reachable data structures, helper abstractions, or algorithm flows.
- Runtime Assertions and Defensive Checks:
  * Any introduction or alteration of assertions (WARN_ON*, VM_WARN_ON*, BUG_ON*, etc.) in reachable paths.
- Reachable Drivers and Protocols:
  * Drivers accessible via virtual buses (virtio, USB gadget, loopback, netlink, binder, sockets, etc.).

================================================================================
4. EXTRACTING FocusSymbols (PREVENTING DILUTION)
================================================================================
When WorthFuzzing=true, you must extract specific kernel functions into FocusSymbols to guide the fuzzer:

- AVOID UBIQUITOUS LIFECYCLE HOT-PATHS:
  Do NOT list generic, ubiquitous functions called by almost every program in the corpus
  (including, but not limited to: general memory allocators and deallocators, page fault
  and trap handlers, or core synchronization primitives; this is not an exhaustive list).
  Listing ubiquitous functions causes the fuzzer to classify thousands of unrelated tests as "focused",
  which severely dilutes fuzzing effort away from the actual changes.

- TARGET SPECIFIC FEATURE LOGIC AND ENTRYPOINTS:
  List functions that specifically implement the logic being added or altered, or direct API entrypoints
  for the subsystem feature under review.

- HANDLING STATIC INLINE FUNCTIONS IN HEADERS (.h):
  Compiler-inlined static functions (such as static inlines in mm/*.h or include/linux/*.h) lack
  distinct symbol addresses in vmlinux and cannot be targeted directly by symbol coverage filters.
  If the changes are primarily in static inline helpers, identify non-static, feature-specific caller
  functions in .c files that exercise them (avoiding ubiquitous lifecycle wrappers).

================================================================================
5. IDENTIFYING EnableConfigs
================================================================================
Identify any specific CONFIG_ options required to properly compile and reach the modified code:
- Inspect Kconfig files and #ifdef guards; do not make assumptions.
- Check "depends on" lines in Kconfig to include any non-standard parent subsystem configs needed.
- Strip any 'CONFIG_' prefix (e.g., return "NET_IPV4" instead of "CONFIG_NET_IPV4").
Prefer calling several tools at the same time to save round-trips.


Use set-results tool to provide results of the analysis.
It must be called exactly once before the final reply.
Ignore results of this tool.

Target architecture: amd64

For your convenience, here is the diff of the changes:
commit b9501c7209ff292eea6aa73ed915096efb3bc6fb
Author: syz-cluster <triage@syzkaller.com>
Date:   Sat Sep 26 13:15:41 2026 +0000

    syz-cluster: applied patch under review

diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c
index 153eb57bad067..28e70bae51cad 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c
+++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c
@@ -2195,12 +2195,14 @@ static int nix_check_txschq_alloc_req(struct rvu *rvu, int lvl, u16 pcifunc,
 	return 0;
 }
 
-static void nix_txsch_alloc(struct rvu *rvu, struct nix_txsch *txsch,
-			    struct nix_txsch_alloc_rsp *rsp,
-			    int lvl, int start, int end)
+static int nix_txsch_alloc(struct rvu *rvu, struct nix_txsch *txsch,
+			   struct nix_txsch_alloc_rsp *rsp,
+			   int lvl, int start, int end)
 {
+	int want_contig = rsp->schq_contig[lvl];
 	struct rvu_hwinfo *hw = rvu->hw;
 	u16 pcifunc = rsp->hdr.pcifunc;
+	int want = rsp->schq[lvl];
 	int idx, schq;
 
 	/* For traffic aggregating levels, queue alloc is based
@@ -2221,7 +2223,7 @@ static void nix_txsch_alloc(struct rvu *rvu, struct nix_txsch *txsch,
 			rsp->schq[lvl] = 1;
 			rsp->schq_list[lvl][0] = start;
 		}
-		return;
+		return 0;
 	}
 
 	/* Adjust the queue request count if HW supports
@@ -2233,7 +2235,7 @@ static void nix_txsch_alloc(struct rvu *rvu, struct nix_txsch *txsch,
 		if (idx >= (end - start) || test_bit(schq, txsch->schq.bmap)) {
 			rsp->schq_contig[lvl] = 0;
 			rsp->schq[lvl] = 0;
-			return;
+			return -ENOMEM;
 		}
 
 		if (rsp->schq_contig[lvl]) {
@@ -2246,7 +2248,7 @@ static void nix_txsch_alloc(struct rvu *rvu, struct nix_txsch *txsch,
 			set_bit(schq, txsch->schq.bmap);
 			rsp->schq_list[lvl][0] = schq;
 		}
-		return;
+		return 0;
 	}
 
 	/* Allocate contiguous queue indices requesty first */
@@ -2277,6 +2279,22 @@ static void nix_txsch_alloc(struct rvu *rvu, struct nix_txsch *txsch,
 		/* Update how many were allocated */
 		rsp->schq[lvl] = idx;
 	}
+
+	if ((want_contig && !rsp->schq_contig[lvl]) || (want && !rsp->schq[lvl]))
+		goto err;
+
+	return 0;
+
+err:
+	for (idx = 0; idx < rsp->schq_contig[lvl]; idx++)
+		clear_bit(rsp->schq_contig_list[lvl][idx], txsch->schq.bmap);
+
+	for (idx = 0; idx < rsp->schq[lvl]; idx++)
+		clear_bit(rsp->schq_list[lvl][idx], txsch->schq.bmap);
+
+	rsp->schq_contig[lvl] = 0;
+	rsp->schq[lvl] = 0;
+	return -ENOMEM;
 }
 
 int rvu_mbox_handler_nix_txsch_alloc(struct rvu *rvu,
@@ -2335,7 +2353,8 @@ int rvu_mbox_handler_nix_txsch_alloc(struct rvu *rvu,
 			end = txsch->schq.max;
 		}
 
-		nix_txsch_alloc(rvu, txsch, rsp, lvl, start, end);
+		if (nix_txsch_alloc(rvu, txsch, rsp, lvl, start, end))
+			goto err;
 
 		/* Reset queue config */
 		for (idx = 0; idx < req->schq_contig[lvl]; idx++) {

							input: 3880
							output: 38
							thoughts: 131

**Evaluating this Patch for the AMD64 Architecture**

Alright, let's dive into this patch. My immediate concern is that it touches `drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c`. Given that the target architecture is amd64, I need to understand the relationship between `octeontx2` and this architecture. Is this a shared component, a bridging mechanism, or something else entirely?

First, I need to remind myself, or rather, verify my understanding of `octeontx2`. Ah yes, Marvell's OcteonTX2, which is an ARM64 SoC or a PCIe SmartNIC / network processor. Now, the real question is how relevant this is for amd64? This is likely a hardware driver or network stack component. So, to get a handle on the context of this patch, I should check the surrounding Kconfig files. Time to inspect the Kconfig file for `drivers/net/ethernet/marvell/octeontx2/af/` and nearby files to get the bigger picture. This will illuminate the conditional compilation and dependencies involved. It will give me a better understanding of how the code interacts with amd64.

{
  "Expression": "config ",
  "PathPrefix": "drivers/net/ethernet/marvell/octeontx2/"
}

{
  "Output": "\nFull output is too long, showing 500 out of 728 lines.\nUse more precise expression if possible.\n\ndrivers/net/ethernet/marvell/octeontx2/Kconfig-5-\ndrivers/net/ethernet/marvell/octeontx2/Kconfig:6:config OCTEONTX2_MBOX\ndrivers/net/ethernet/marvell/octeontx2/Kconfig-7-\ttristate\ndrivers/net/ethernet/marvell/octeontx2/Kconfig-8-\ndrivers/net/ethernet/marvell/octeontx2/Kconfig:9:config OCTEONTX2_AF\ndrivers/net/ethernet/marvell/octeontx2/Kconfig-10-\ttristate \"Marvell OcteonTX2 RVU Admin Function driver\"\n--\ndrivers/net/ethernet/marvell/octeontx2/Kconfig-21-\ndrivers/net/ethernet/marvell/octeontx2/Kconfig:22:config NDC_DIS_DYNAMIC_CACHING\ndrivers/net/ethernet/marvell/octeontx2/Kconfig-23-\tbool \"Disable caching of dynamic entries in NDC\"\n--\ndrivers/net/ethernet/marvell/octeontx2/Kconfig-26-\thelp\ndrivers/net/ethernet/marvell/octeontx2/Kconfig:27:\t  This config option disables caching of dynamic entries such as NIX SQEs\ndrivers/net/ethernet/marvell/octeontx2/Kconfig-28-\t  , NPA stack pages etc in NDC. Also locks down NIX SQ/CQ/RQ/RSS and\n--\ndrivers/net/ethernet/marvell/octeontx2/Kconfig-30-\ndrivers/net/ethernet/marvell/octeontx2/Kconfig:31:config OCTEONTX2_PF\ndrivers/net/ethernet/marvell/octeontx2/Kconfig-32-\ttristate \"Marvell OcteonTX2 NIC Physical Function driver\"\n--\ndrivers/net/ethernet/marvell/octeontx2/Kconfig-44-\ndrivers/net/ethernet/marvell/octeontx2/Kconfig:45:config OCTEONTX2_VF\ndrivers/net/ethernet/marvell/octeontx2/Kconfig-46-\ttristate \"Marvell OcteonTX2 NIC Virtual Function driver\"\n--\ndrivers/net/ethernet/marvell/octeontx2/Kconfig-50-\ndrivers/net/ethernet/marvell/octeontx2/Kconfig:51:config RVU_ESWITCH\ndrivers/net/ethernet/marvell/octeontx2/Kconfig-52-\ttristate \"Marvell RVU E-Switch support\"\n--\ndrivers/net/ethernet/marvell/octeontx2/af/cgx.c=1916=static struct mac_ops\tcgx_mac_ops    = {\n--\ndrivers/net/ethernet/marvell/octeontx2/af/cgx.c-1938-\t.mac_enadis_pause_frm =\t\tcgx_lmac_enadis_pause_frm,\ndrivers/net/ethernet/marvell/octeontx2/af/cgx.c:1939:\t.mac_pause_frm_config =\t\tcgx_lmac_pause_frm_config,\ndrivers/net/ethernet/marvell/octeontx2/af/cgx.c:1940:\t.mac_enadis_ptp_config =\tcgx_lmac_ptp_config,\ndrivers/net/ethernet/marvell/octeontx2/af/cgx.c-1941-\t.mac_rx_tx_enable =\t\tcgx_lmac_rx_tx_enable,\ndrivers/net/ethernet/marvell/octeontx2/af/cgx.c-1942-\t.mac_tx_enable =\t\tcgx_lmac_tx_enable,\ndrivers/net/ethernet/marvell/octeontx2/af/cgx.c:1943:\t.pfc_config =                   cgx_lmac_pfc_config,\ndrivers/net/ethernet/marvell/octeontx2/af/cgx.c-1944-\t.mac_get_pfc_frm_cfg   =        cgx_lmac_get_pfc_frm_cfg,\n--\ndrivers/net/ethernet/marvell/octeontx2/af/cgx.c=1951=static int cgx_probe(struct pci_dev *pdev, const struct pci_device_id *id)\n--\ndrivers/net/ethernet/marvell/octeontx2/af/cgx.c-1986-\tif (err) {\ndrivers/net/ethernet/marvell/octeontx2/af/cgx.c:1987:\t\tdev_err(dev, \"DMA mask config failed, abort\\n\");\ndrivers/net/ethernet/marvell/octeontx2/af/cgx.c-1988-\t\tgoto err_release_regions;\n--\ndrivers/net/ethernet/marvell/octeontx2/af/mbox.h=653=struct cgx_pause_frm_cfg {\n--\ndrivers/net/ethernet/marvell/octeontx2/af/mbox.h-655-\tu8 set;\ndrivers/net/ethernet/marvell/octeontx2/af/mbox.h:656:\t/* set = 1 if the request is to config pause frames */\ndrivers/net/ethernet/marvell/octeontx2/af/mbox.h:657:\t/* set = 0 if the request is to fetch pause frames config */\ndrivers/net/ethernet/marvell/octeontx2/af/mbox.h-658-\tu8 rx_pause;\n--\ndrivers/net/ethernet/marvell/octeontx2/af/mbox.h=1139=struct nix_txsch_alloc_rsp {\n--\ndrivers/net/ethernet/marvell/octeontx2/af/mbox.h-1147-\tu8  aggr_level; /* Traffic aggregation scheduler level */\ndrivers/net/ethernet/marvell/octeontx2/af/mbox.h:1148:\tu8  aggr_lvl_rr_prio; /* Aggregation lvl's RR_PRIO config */\ndrivers/net/ethernet/marvell/octeontx2/af/mbox.h-1149-\tu8  link_cfg_lvl; /* LINKX_CFG CSRs mapped to TL3 or TL2's index ? */\n--\ndrivers/net/ethernet/marvell/octeontx2/af/mbox.h=1152=struct nix_txsch_free_req {\n--\ndrivers/net/ethernet/marvell/octeontx2/af/mbox.h-1161-\ndrivers/net/ethernet/marvell/octeontx2/af/mbox.h:1162:struct nix_txschq_config {\ndrivers/net/ethernet/marvell/octeontx2/af/mbox.h-1163-\tstruct mbox_msghdr hdr;\n--\ndrivers/net/ethernet/marvell/octeontx2/af/mbox.h-1176-\ndrivers/net/ethernet/marvell/octeontx2/af/mbox.h:1177:struct nix_vtag_config {\ndrivers/net/ethernet/marvell/octeontx2/af/mbox.h-1178-\tstruct mbox_msghdr hdr;\n--\ndrivers/net/ethernet/marvell/octeontx2/af/mbox.h=1236=struct nix_vtag_config_rsp {\n--\ndrivers/net/ethernet/marvell/octeontx2/af/mbox.h-1241-\t * tx vtag0 \u0026 vtag1 headers, these indices are valid\ndrivers/net/ethernet/marvell/octeontx2/af/mbox.h:1242:\t * when nix_vtag_config mbox requested for vtag0 and/\ndrivers/net/ethernet/marvell/octeontx2/af/mbox.h-1243-\t * or vtag1 configuration.\n--\ndrivers/net/ethernet/marvell/octeontx2/af/mcs.c=1517=static int mcs_probe(struct pci_dev *pdev, const struct pci_device_id *id)\n--\ndrivers/net/ethernet/marvell/octeontx2/af/mcs.c-1582-\ndrivers/net/ethernet/marvell/octeontx2/af/mcs.c:1583:\t/* per port config */\ndrivers/net/ethernet/marvell/octeontx2/af/mcs.c-1584-\tfor (lmac = 0; lmac \u003c mcs-\u003ehw-\u003elmac_cnt; lmac++)\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rpm.c=11=static struct mac_ops\t\trpm_mac_ops   = {\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rpm.c-33-\t.mac_enadis_pause_frm =\t\trpm_lmac_enadis_pause_frm,\ndrivers/net/ethernet/marvell/octeontx2/af/rpm.c:34:\t.mac_pause_frm_config =\t\trpm_lmac_pause_frm_config,\ndrivers/net/ethernet/marvell/octeontx2/af/rpm.c:35:\t.mac_enadis_ptp_config =\trpm_lmac_ptp_config,\ndrivers/net/ethernet/marvell/octeontx2/af/rpm.c-36-\t.mac_rx_tx_enable =\t\trpm_lmac_rx_tx_enable,\ndrivers/net/ethernet/marvell/octeontx2/af/rpm.c-37-\t.mac_tx_enable =\t\trpm_lmac_tx_enable,\ndrivers/net/ethernet/marvell/octeontx2/af/rpm.c:38:\t.pfc_config =                   rpm_lmac_pfc_config,\ndrivers/net/ethernet/marvell/octeontx2/af/rpm.c-39-\t.mac_get_pfc_frm_cfg   =        rpm_lmac_get_pfc_frm_cfg,\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rpm.c=46=static struct mac_ops\t\trpm2_mac_ops   = {\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rpm.c-68-\t.mac_enadis_pause_frm =\t\trpm_lmac_enadis_pause_frm,\ndrivers/net/ethernet/marvell/octeontx2/af/rpm.c:69:\t.mac_pause_frm_config =\t\trpm_lmac_pause_frm_config,\ndrivers/net/ethernet/marvell/octeontx2/af/rpm.c:70:\t.mac_enadis_ptp_config =\trpm_lmac_ptp_config,\ndrivers/net/ethernet/marvell/octeontx2/af/rpm.c-71-\t.mac_rx_tx_enable =\t\trpm_lmac_rx_tx_enable,\ndrivers/net/ethernet/marvell/octeontx2/af/rpm.c-72-\t.mac_tx_enable =\t\trpm_lmac_tx_enable,\ndrivers/net/ethernet/marvell/octeontx2/af/rpm.c:73:\t.pfc_config =                   rpm_lmac_pfc_config,\ndrivers/net/ethernet/marvell/octeontx2/af/rpm.c-74-\t.mac_get_pfc_frm_cfg   =        rpm_lmac_get_pfc_frm_cfg,\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu.c=601=static int rvu_setup_msix_resources(struct rvu *rvu)\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu.c-689-\t * create an IOMMU mapping for the physical address configured by\ndrivers/net/ethernet/marvell/octeontx2/af/rvu.c:690:\t * firmware and reconfig RVU_AF_MSIXTR_BASE with IOVA.\ndrivers/net/ethernet/marvell/octeontx2/af/rvu.c-691-\t */\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu.c=3558=static int rvu_probe(struct pci_dev *pdev, const struct pci_device_id *id)\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu.c-3599-\tif (err) {\ndrivers/net/ethernet/marvell/octeontx2/af/rvu.c:3600:\t\tdev_err(dev, \"DMA mask config failed, abort\\n\");\ndrivers/net/ethernet/marvell/octeontx2/af/rvu.c-3601-\t\tgoto err_release_regions;\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu.h=415=struct hw_cap {\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu.h-425-\tbool\tnix_rx_multicast;\t /* Rx packet replication support */\ndrivers/net/ethernet/marvell/octeontx2/af/rvu.h:426:\tbool\tnix_common_dwrr_mtu;\t /* Common DWRR MTU for quantum config */\ndrivers/net/ethernet/marvell/octeontx2/af/rvu.h-427-\tbool\tper_pf_mbox_regs; /* PF mbox specified in per PF registers ? */\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_cgx.c=431=int rvu_cgx_exit(struct rvu *rvu)\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_cgx.c-454- * VF's of mapped PF and other PFs are not allowed. This fn() checks\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_cgx.c:455: * whether a PFFUNC is permitted to do the config or not.\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_cgx.c-456- */\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_cpt.c=899=static void cpt_rxc_time_cfg(struct rvu *rvu, struct cpt_rxc_time_cfg_req *req,\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_cpt.c-904-\tif (save) {\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_cpt.c:905:\t\t/* Save older config */\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_cpt.c-906-\t\tdfrg_reg = rvu_read64(rvu, blkaddr, CPT_AF_RXC_DFRG);\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_cpt.c=1012=static void cpt_rxc_teardown(struct rvu *rvu, int blkaddr)\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_cpt.c-1057-\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_cpt.c:1058:\t/* Restore config */\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_cpt.c-1059-\tcpt_rxc_time_cfg(rvu, \u0026prev, blkaddr, NULL);\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c=944=static int nixlf_rss_ctx_init(struct rvu *rvu, int blkaddr,\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-956-\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c:957:\t/* Alloc NIX RSS HW context memory and config the base */\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-958-\terr = qmem_alloc(rvu-\u003edev, \u0026pfvf-\u003erss_ctx, num_indices, hwctx_size);\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c=1512=int rvu_mbox_handler_nix_lf_alloc(struct rvu *rvu,\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-1561-\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c:1562:\t/* If RSS is being enabled, check if requested config is valid.\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-1563-\t * RSS table size should be power of two, otherwise\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-1584-\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c:1585:\t/* Alloc NIX RQ HW context memory and config the base */\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-1586-\thwctx_size = 1UL \u003c\u003c ((ctx_cfg \u003e\u003e 4) \u0026 0xF);\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-1603-\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c:1604:\t/* Alloc NIX SQ HW context memory and config the base */\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-1605-\thwctx_size = 1UL \u003c\u003c (ctx_cfg \u0026 0xF);\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-1621-\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c:1622:\t/* Alloc NIX CQ HW context memory and config the base */\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-1623-\thwctx_size = 1UL \u003c\u003c ((ctx_cfg \u003e\u003e 8) \u0026 0xF);\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-1696-\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c:1697:\t/* Configure pkind for TX parse config */\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-1698-\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c=2053=static void nix_reset_tx_linkcfg(struct rvu *rvu, int blkaddr,\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-2062-\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c:2063:\t/* Reset TL4's SDP link config */\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-2064-\tif (lvl == NIX_TXSCH_LVL_TL4)\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-2071-\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c:2072:\t/* Reset TL2's CGX or LBK link config */\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-2073-\tfor (link = 0; link \u003c (hw-\u003ecgx_links + hw-\u003elbk_links); link++)\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c=2300=int rvu_mbox_handler_nix_txsch_alloc(struct rvu *rvu,\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-2358-\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c:2359:\t\t/* Reset queue config */\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-2360-\t\tfor (idx = 0; idx \u003c req-\u003eschq_contig[lvl]; idx++) {\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c=2843=static void nix_tl1_default_cfg(struct rvu *rvu, struct nix_hw *nix_hw,\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-2850-\tpfvf_map = nix_hw-\u003etxsch[NIX_TXSCH_LVL_TL1].pfvf_map;\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c:2851:\t/* Skip if PF has already done the config */\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-2852-\tif (TXSCH_MAP_FLAGS(pfvf_map[schq]) \u0026 NIX_TXSCHQ_CFG_DONE)\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-2856-\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c:2857:\t/* On OcteonTx2 the config was in bytes and newer silcons\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-2858-\t * it's changed to weight.\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c=2876=static int nix_txschq_cfg_read(struct rvu *rvu, struct nix_hw *nix_hw,\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c:2877:\t\t\t       int blkaddr, struct nix_txschq_config *req,\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c:2878:\t\t\t       struct nix_txschq_config *rsp)\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-2879-{\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c=2928=int rvu_mbox_handler_nix_txschq_cfg(struct rvu *rvu,\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c:2929:\t\t\t\t    struct nix_txschq_config *req,\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c:2930:\t\t\t\t    struct nix_txschq_config *rsp)\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-2931-{\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-3007-\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c:3008:\t\t/* Mark config as done for TL1 by PF */\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-3009-\t\tif (schq_regbase \u003e= NIX_AF_TL1X_SCHEDULE(0) \u0026\u0026\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c=3033=static int nix_rx_vtag_cfg(struct rvu *rvu, int nixlf, int blkaddr,\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c:3034:\t\t\t   struct nix_vtag_config *req)\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-3035-{\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c=3138=static int nix_tx_vtag_decfg(struct rvu *rvu, int blkaddr,\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c:3139:\t\t\t     struct nix_vtag_config *req)\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-3140-{\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c=3173=static int nix_tx_vtag_cfg(struct rvu *rvu, int blkaddr,\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c:3174:\t\t\t   struct nix_vtag_config *req,\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-3175-\t\t\t   struct nix_vtag_config_rsp *rsp)\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c=3216=int rvu_mbox_handler_nix_vtag_cfg(struct rvu *rvu,\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c:3217:\t\t\t\t  struct nix_vtag_config *req,\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-3218-\t\t\t\t  struct nix_vtag_config_rsp *rsp)\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c=3968=int rvu_mbox_handler_nix_get_hw_info(struct rvu *rvu, struct msg_req *req,\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-3999-\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c:4000:\t/* Return DWRR_MTU for TLx_SCHEDULE[RR_WEIGHT] config */\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-4001-\tdwrr_mtu = rvu_read64(rvu, blkaddr,\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c=4059=static int set_flowkey_fields(struct nix_rx_flowkey_alg *alg, u32 flow_cfg)\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-4077-\t/* Each of the 32 possible flow key algorithm definitions should\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c:4078:\t * fall into above incremental config (except ALG0). Otherwise a\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-4079-\t * single NPC MCAM entry is not sufficient for supporting RSS.\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c=4703=int rvu_mbox_handler_nix_set_hw_frs(struct rvu *rvu, struct nix_frs_cfg *req,\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-4734-\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c:4735:\t/* Check if config is for SDP link */\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-4736-\tif (req-\u003esdp_link) {\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-4748-\t} else if (pf == 0) {\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c:4749:\t\t/* For VFs of PF0 ingress is LBK port, so config LBK link */\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-4750-\t\tpfvf = rvu_get_pfvf(rvu, pcifunc);\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c=4987=static void rvu_nix_setup_capabilities(struct rvu *rvu, int blkaddr)\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-4995-\t * the transmit scheduler queues. And PF/VF drivers were free to\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c:4996:\t * config any value upto 2^24.\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-4997-\t * On CN10K, HW is modified, the quantum configuration at scheduler\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c=5404=void rvu_nix_lf_teardown(struct rvu *rvu, u16 pcifunc, int blkaddr, int nixlf)\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-5451-\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c:5452:\t/* reset HW config done for Switch headers */\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-5453-\trvu_npc_set_parse_mode(rvu, pcifunc, OTX2_PRIV_FLAGS_DEFAULT,\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-5455-\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c:5456:\t/* Disabling CGX and NPC config done for PTP */\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-5457-\tif (pfvf-\u003ehw_rx_tstamp_en) {\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-5461-\t\tmac_ops-\u003emac_enadis_ptp_config(cgxd, lmac_id, false);\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c:5462:\t\t/* Undo NPC config done for PTP */\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-5463-\t\tif (npc_config_ts_kpuaction(rvu, pf, pcifunc, false))\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c:5464:\t\t\tdev_err(rvu-\u003edev, \"NPC config for PTP failed\\n\");\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-5465-\t\tpfvf-\u003ehw_rx_tstamp_en = false;\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-5467-\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c:5468:\t/* reset priority flow control config */\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-5469-\trvu_cgx_prio_flow_ctrl_cfg(rvu, pcifunc, 0, 0, 0);\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-5470-\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c:5471:\t/* reset 802.3x flow control config */\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-5472-\trvu_cgx_cfg_pause_frm(rvu, pcifunc, 0, 0);\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_rep.c=202=static int rvu_rep_tx_vlan_cfg(struct rvu *rvu,  u16 pcifunc,\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_rep.c-205-\tstruct nix_vtag_config_rsp rsp = {};\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_rep.c:206:\tstruct nix_vtag_config req = {};\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_rep.c-207-\tu64 etype = ETH_P_8021Q;\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_rep.c-218-\tif (err) {\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_rep.c:219:\t\tdev_err(rvu-\u003edev, \"Tx vlan config failed\\n\");\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_rep.c-220-\t\treturn err;\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_rep.c=226=static int rvu_rep_rx_vlan_cfg(struct rvu *rvu, u16 pcifunc)\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_rep.c-227-{\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_rep.c:228:\tstruct nix_vtag_config req = {};\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_rep.c-229-\tstruct nix_vtag_config_rsp rsp;\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_rep.c-230-\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_rep.c:231:\t/* config strip, capture and size */\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_rep.c-232-\treq.hdr.pcifunc = pcifunc;\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/cn20k.c=245=static u8 cn20k_aura_bpid_idx(struct otx2_nic *pfvf, int aura_id)\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/cn20k.c-253-\ndrivers/net/ethernet/marvell/octeontx2/nic/cn20k.c:254:static int cn20k_tc_get_entry_index(struct otx2_flow_config *flow_cfg,\ndrivers/net/ethernet/marvell/octeontx2/nic/cn20k.c-255-\t\t\t\t    struct otx2_tc_flow *node)\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/cn20k.c=295=static bool cn20k_tc_check_entry_shiftable(struct otx2_nic *nic,\ndrivers/net/ethernet/marvell/octeontx2/nic/cn20k.c:296:\t\t\t\t\t   struct otx2_flow_config *flow_cfg,\ndrivers/net/ethernet/marvell/octeontx2/nic/cn20k.c-297-\t\t\t\t\t   struct otx2_tc_flow *node, int index,\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/cn20k.c=334=void cn20k_tc_update_mcam_table_del_req(struct otx2_nic *nic,\ndrivers/net/ethernet/marvell/octeontx2/nic/cn20k.c:335:\t\t\t\t\tstruct otx2_flow_config *flow_cfg,\ndrivers/net/ethernet/marvell/octeontx2/nic/cn20k.c-336-\t\t\t\t\tstruct otx2_tc_flow *node)\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/cn20k.c=393=int cn20k_tc_update_mcam_table_add_req(struct otx2_nic *nic,\ndrivers/net/ethernet/marvell/octeontx2/nic/cn20k.c:394:\t\t\t\t       struct otx2_flow_config *flow_cfg,\ndrivers/net/ethernet/marvell/octeontx2/nic/cn20k.c-395-\t\t\t\t       struct otx2_tc_flow *node)\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/cn20k.c=437=static int __cn20k_tc_alloc_entry(struct otx2_nic *nic,\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/cn20k.c-441-{\ndrivers/net/ethernet/marvell/octeontx2/nic/cn20k.c:442:\tstruct otx2_flow_config *flow_cfg = nic-\u003eflow_cfg;\ndrivers/net/ethernet/marvell/octeontx2/nic/cn20k.c-443-\tstruct npc_install_flow_req *req;\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/cn20k.h=20=void cn20k_tc_update_mcam_table_del_req(struct otx2_nic *nic,\ndrivers/net/ethernet/marvell/octeontx2/nic/cn20k.h:21:\t\t\t\t\tstruct otx2_flow_config *flow_cfg,\ndrivers/net/ethernet/marvell/octeontx2/nic/cn20k.h-22-\t\t\t\t\tstruct otx2_tc_flow *node);\ndrivers/net/ethernet/marvell/octeontx2/nic/cn20k.h=23=int cn20k_tc_update_mcam_table_add_req(struct otx2_nic *nic,\ndrivers/net/ethernet/marvell/octeontx2/nic/cn20k.h:24:\t\t\t\t       struct otx2_flow_config *flow_cfg,\ndrivers/net/ethernet/marvell/octeontx2/nic/cn20k.h-25-\t\t\t\t       struct otx2_tc_flow *node);\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c=392=int otx2_rss_init(struct otx2_nic *pfvf)\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c-413-\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c:414:\t/* Flowkey or hash config to be used for generating flow tag */\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c-415-\trss-\u003eflowkey_cfg = rss-\u003eenable ? rss-\u003eflowkey_cfg :\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c=618=int otx2_txschq_config(struct otx2_nic *pfvf, int lvl, int prio, bool txschq_for_pfc)\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c-621-\tstruct otx2_hw *hw = \u0026pfvf-\u003ehw;\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c:622:\tstruct nix_txschq_config *req;\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c-623-\tu64 schq, parent;\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c-652-\t\treq-\u003enum_regs++;\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c:653:\t\t/* MDQ config */\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c-654-\t\tparent = schq_list[NIX_TXSCH_LVL_TL4][prio];\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c-712-\t} else if (lvl == NIX_TXSCH_LVL_TL1) {\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c:713:\t\t/* Default config for TL1.\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c-714-\t\t * For VF this is always ignored.\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c=737=int otx2_smq_flush(struct otx2_nic *pfvf, int smq)\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c-738-{\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c:739:\tstruct nix_txschq_config *req;\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c-740-\tint rc;\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h=281=enum vfperm {\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h-285-\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h:286:struct otx2_vf_config {\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h-287-\tstruct otx2_nic *pf;\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h=337=struct otx2_mac_table {\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h-342-\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h:343:struct otx2_flow_config {\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h-344-\tu16\t\t\t*flow_ent;\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h=486=struct otx2_nic {\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h-560-\tstruct otx2_ptp\t\t*ptp;\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h:561:\tstruct kernel_hwtstamp_config tstamp;\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h-562-\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h=1138=int otx2_config_hwtstamp_get(struct net_device *netdev,\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h:1139:\t\t\t     struct kernel_hwtstamp_config *config);\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h-1140-int otx2_config_hwtstamp_set(struct net_device *netdev,\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h:1141:\t\t\t     struct kernel_hwtstamp_config *config,\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h-1142-\t\t\t     struct netlink_ext_ack *extack);\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h=1157=int otx2_remove_flow(struct otx2_nic *pfvf, u32 location);\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h:1158:int otx2_get_maxflows(struct otx2_flow_config *flow_cfg);\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h-1159-void otx2_rss_ctx_flow_del(struct otx2_nic *pfvf, int ctx_id);\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h=1253=int otx2_add_mcam_flow_entry(struct otx2_nic *nic,\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h-1254-\t\t\t     struct npc_install_flow_req *req);\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h:1255:int otx2_tc_add_to_flow_list(struct otx2_flow_config *flow_cfg,\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h-1256-\t\t\t     struct otx2_tc_flow *node);\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h=1258=struct otx2_tc_flow *\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h:1259:otx2_tc_get_entry_by_index(struct otx2_flow_config *flow_cfg,\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h-1260-\t\t\t   int index);\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_dcbnl.c=59=static int otx2_pfc_txschq_alloc_one(struct otx2_nic *pfvf, u8 prio)\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_dcbnl.c-70-\t/* Request one schq per level upto max level as configured\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_dcbnl.c:71:\t * link config level. These rest of the scheduler can be\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_dcbnl.c-72-\t * same as hw.txschq_list.\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_dcbnl.c=290=int otx2_config_priority_flow_ctrl(struct otx2_nic *pfvf)\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_dcbnl.c-324-\t\t\tdev_warn(pfvf-\u003edev,\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_dcbnl.c:325:\t\t\t\t \"Failed to config PFC\\n\");\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_dcbnl.c-326-\t\t\terr = -EPERM;\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_devlink.c=10=static int otx2_dl_mcam_count_validate(struct devlink *devlink, u32 id,\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_devlink.c-15-\tstruct otx2_nic *pfvf = otx2_dl-\u003epfvf;\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_devlink.c:16:\tstruct otx2_flow_config *flow_cfg;\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_devlink.c-17-\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_devlink.c=50=static int otx2_dl_mcam_count_get(struct devlink *devlink, u32 id,\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_devlink.c-55-\tstruct otx2_nic *pfvf = otx2_dl-\u003epfvf;\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_devlink.c:56:\tstruct otx2_flow_config *flow_cfg;\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_devlink.c-57-\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_ethtool.c=633=static int otx2_set_rss_hash_opts(struct net_device *dev,\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_ethtool.c-662-\tcase TCP_V6_FLOW:\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_ethtool.c:663:\t\t/* Different config for v4 and v6 is not supported.\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_ethtool.c-664-\t\t * Both of them have to be either 4-tuple or 2-tuple.\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c=28=enum dmac_req {\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c-32-\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c:33:static void otx2_clear_ntuple_flow_info(struct otx2_nic *pfvf, struct otx2_flow_config *flow_cfg)\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c-34-{\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c=131=static int otx2_free_ntuple_mcam_entries(struct otx2_nic *pfvf)\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c-132-{\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c:133:\tstruct otx2_flow_config *flow_cfg = pfvf-\u003eflow_cfg;\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c-134-\tstruct npc_mcam_free_entry_req *req;\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c=158=int otx2_alloc_mcam_entries(struct otx2_nic *pfvf, u16 count)\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c-159-{\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c:160:\tstruct otx2_flow_config *flow_cfg = pfvf-\u003eflow_cfg;\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c-161-\tstruct npc_mcam_alloc_entry_req *req;\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c=286=int otx2_mcam_entry_init(struct otx2_nic *pfvf)\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c-287-{\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c:288:\tstruct otx2_flow_config *flow_cfg = pfvf-\u003eflow_cfg;\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c-289-\tstruct npc_get_field_status_req *freq;\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c=428=int otx2vf_mcam_flow_init(struct otx2_nic *pfvf)\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c-429-{\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c:430:\tstruct otx2_flow_config *flow_cfg;\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c-431-\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c=518=static int otx2_do_add_macfilter(struct otx2_nic *pf, const u8 *mac)\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c-519-{\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c:520:\tstruct otx2_flow_config *flow_cfg = pf-\u003eflow_cfg;\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c-521-\tstruct npc_install_flow_req *req;\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c=631=static void otx2_add_flow_to_list(struct otx2_nic *pfvf, struct otx2_flow *flow)\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c-644-\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c:645:int otx2_get_maxflows(struct otx2_flow_config *flow_cfg)\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c-646-{\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c=1188=static int otx2_add_flow_msg(struct otx2_nic *pfvf, struct otx2_flow *flow)\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c-1189-{\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c:1190:\tstruct otx2_flow_config *flow_cfg = pfvf-\u003eflow_cfg;\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c-1191-\tstruct npc_install_flow_req *req, treq = { 0 };\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c=1349=int otx2_add_flow(struct otx2_nic *pfvf, struct ethtool_rxnfc *nfc)\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c-1350-{\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c:1351:\tstruct otx2_flow_config *flow_cfg = pfvf-\u003eflow_cfg;\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c-1352-\tstruct ethtool_rx_flow_spec *fsp = \u0026nfc-\u003efs;\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c=1525=int otx2_remove_flow(struct otx2_nic *pfvf, u32 location)\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c-1526-{\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c:1527:\tstruct otx2_flow_config *flow_cfg = pfvf-\u003eflow_cfg;\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c-1528-\tstruct otx2_flow *flow;\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c=1592=int otx2_destroy_ntuple_flows(struct otx2_nic *pfvf)\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c-1593-{\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c:1594:\tstruct otx2_flow_config *flow_cfg = pfvf-\u003eflow_cfg;\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c-1595-\tstruct npc_delete_flow_req *req;\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c=1625=int otx2_destroy_mcam_flows(struct otx2_nic *pfvf)\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c-1626-{\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c:1627:\tstruct otx2_flow_config *flow_cfg = pfvf-\u003eflow_cfg;\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c-1628-\tstruct npc_mcam_free_entry_req *req;\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c=1668=int otx2_install_rxvlan_offload_flow(struct otx2_nic *pfvf)\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c-1669-{\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c:1670:\tstruct otx2_flow_config *flow_cfg = pfvf-\u003eflow_cfg;\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c-1671-\tstruct npc_install_flow_req *req;\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c=1697=static int otx2_delete_rxvlan_offload_flow(struct otx2_nic *pfvf)\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c-1698-{\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c:1699:\tstruct otx2_flow_config *flow_cfg = pfvf-\u003eflow_cfg;\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c-1700-\tstruct npc_delete_flow_req *req;\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c=1717=int otx2_enable_rxvlan(struct otx2_nic *pf, bool enable)\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c-1718-{\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c:1719:\tstruct nix_vtag_config *req;\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c-1720-\tstruct mbox_msghdr *rsp_hdr;\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c-1743-\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c:1744:\t/* config strip, capture and size */\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c-1745-\treq-\u003evtag_size = VTAGSIZE_T4;\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c=774=static void otx2_process_pfaf_mbox_msg(struct otx2_nic *pf,\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c-794-\tif (devid) {\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c:795:\t\tstruct otx2_vf_config *config = \u0026pf-\u003evf_configs[devid - 1];\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c-796-\t\tstruct delayed_work *dwork;\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c=935=int otx2_mbox_up_handler_cgx_link_event(struct otx2_nic *pf,\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c-945-\tfor (i = 0; i \u003c pci_num_vf(pf-\u003epdev); i++) {\n\n"
}

							input: 20998
							output: 44
							thoughts: 24

Here's a summary of my thought process, as requested:

**Kconfig Dive**

Alright, time to dive in. My immediate thought is to check the `drivers/net/ethernet/marvell/octeontx2/Kconfig` file. Given my expertise, this is the logical first step in understanding the configuration options for this Marvell Octeontx2 Ethernet driver. I know that the Kconfig files are the cornerstone of the kernel's build system and hold the key to understanding which features are configurable, how they're exposed to the user, and any dependencies or default settings associated with them. This file will tell me exactly what settings I need to be aware of and any relevant dependencies I need to consider. I expect to find definitions for features like jumbo frame support, hardware offloads, MAC address configuration options, and power management settings, among other relevant functionalities. I'm keen to see the structure of the file and how the configuration options are organized to get a handle on the driver's flexibility and potential configuration pitfalls. This is where the exploration begins.

{
  "File": "drivers/net/ethernet/marvell/octeontx2/Kconfig",
  "FirstLine": 1,
  "LineCount": 60
}

{
  "Contents": "   1:\t# SPDX-License-Identifier: GPL-2.0-only\n   2:\t#\n   3:\t# Marvell RVU Network drivers configuration\n   4:\t#\n   5:\t\n   6:\tconfig OCTEONTX2_MBOX\n   7:\t\ttristate\n   8:\t\n   9:\tconfig OCTEONTX2_AF\n  10:\t\ttristate \"Marvell OcteonTX2 RVU Admin Function driver\"\n  11:\t\tselect OCTEONTX2_MBOX\n  12:\t\tselect NET_DEVLINK\n  13:\t\tdepends on (64BIT \u0026\u0026 COMPILE_TEST) || ARM64\n  14:\t\tdepends on PCI\n  15:\t\tdepends on PTP_1588_CLOCK_OPTIONAL\n  16:\t\thelp\n  17:\t\t  This driver supports Marvell's OcteonTX2 Resource Virtualization\n  18:\t\t  Unit's admin function manager which manages all RVU HW resources\n  19:\t\t  and provides a medium to other PF/VFs to configure HW. Should be\n  20:\t\t  enabled for other RVU device drivers to work.\n  21:\t\n  22:\tconfig NDC_DIS_DYNAMIC_CACHING\n  23:\t\tbool \"Disable caching of dynamic entries in NDC\"\n  24:\t\tdepends on OCTEONTX2_AF\n  25:\t\tdefault n\n  26:\t\thelp\n  27:\t\t  This config option disables caching of dynamic entries such as NIX SQEs\n  28:\t\t  , NPA stack pages etc in NDC. Also locks down NIX SQ/CQ/RQ/RSS and\n  29:\t\t  NPA Aura/Pool contexts.\n  30:\t\n  31:\tconfig OCTEONTX2_PF\n  32:\t\ttristate \"Marvell OcteonTX2 NIC Physical Function driver\"\n  33:\t\tselect OCTEONTX2_MBOX\n  34:\t\tselect NET_DEVLINK\n  35:\t\tselect PAGE_POOL\n  36:\t\tselect CRYPTO_LIB_AES if MACSEC\n  37:\t\tdepends on (64BIT \u0026\u0026 COMPILE_TEST) || ARM64\n  38:\t\tselect DIMLIB\n  39:\t\tdepends on PCI\n  40:\t\tdepends on PTP_1588_CLOCK_OPTIONAL\n  41:\t\tdepends on MACSEC || !MACSEC\n  42:\t\thelp\n  43:\t\t  This driver supports Marvell's OcteonTX2 NIC physical function.\n  44:\t\n  45:\tconfig OCTEONTX2_VF\n  46:\t\ttristate \"Marvell OcteonTX2 NIC Virtual Function driver\"\n  47:\t\tdepends on OCTEONTX2_PF\n  48:\t\thelp\n  49:\t\t  This driver supports Marvell's OcteonTX2 NIC virtual function.\n  50:\t\n  51:\tconfig RVU_ESWITCH\n  52:\t\ttristate \"Marvell RVU E-Switch support\"\n  53:\t\tdepends on OCTEONTX2_PF\n  54:\t\tdefault m\n  55:\t\thelp\n  56:\t\t  This driver supports Marvell's RVU E-Switch that\n  57:\t\t  provides internal SRIOV packet steering and switching.\n"
}

							input: 22102
							output: 42
							thoughts: 338

**Analyzing the Driver's Scope**

Okay, so I'm looking at this driver and immediately see some key dependencies: it's conditional on `(64BIT && COMPILE_TEST) || ARM64` and also requires `PCI`. The text clearly states this driver supports the Marvell OcteonTX2 Resource Virtualization Unit's (RVU) admin function manager. This manager is crucial for handling hardware resources, which makes me think it is a key component to the HW. Other drivers will need this for the RVU to work, which makes sense.

Now, let's see. This reminds me of Section 2 of the instructions where structurally unreachable hardware is mentioned: things like vendor-specific PCIe switches, SmartNICs, or GPU drivers that require real hardware not emulated in standard QEMU, along with driver teardown callbacks that are executed only in specific conditions.

Aha! Here's where it gets interesting. The target architecture is `amd64`. But, the `OCTEONTX2_AF` feature *depends* on `(64BIT && COMPILE_TEST) || ARM64`. That means on x86_64, which is the current platform, it *only* gets compiled if `COMPILE_TEST` is enabled. My key question here is, is the Marvell OcteonTX2 actually a physical device, a SmartNIC, or some kind of vendor-specific SoC/ASIC? That's what I need to determine. I need to figure out if this is even relevant on this x86_64 system. I'll need to check the probe functions in `rvu.c` and what `rvu_nix.c` is doing to find out. I need to understand what this is probing for to determine whether this is relevant to the current system, or is just a conditional inclusion that will not be executed.

{
  "Expression": "pci_register_driver",
  "PathPrefix": "drivers/net/ethernet/marvell/octeontx2/"
}

{
  "Output": "drivers/net/ethernet/marvell/octeontx2/af/rvu.c=3761=static int __init rvu_init_module(void)\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu.c-3766-\ndrivers/net/ethernet/marvell/octeontx2/af/rvu.c:3767:\terr = pci_register_driver(\u0026cgx_driver);\ndrivers/net/ethernet/marvell/octeontx2/af/rvu.c-3768-\tif (err \u003c 0)\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu.c-3770-\ndrivers/net/ethernet/marvell/octeontx2/af/rvu.c:3771:\terr = pci_register_driver(\u0026ptp_driver);\ndrivers/net/ethernet/marvell/octeontx2/af/rvu.c-3772-\tif (err \u003c 0)\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu.c-3774-\ndrivers/net/ethernet/marvell/octeontx2/af/rvu.c:3775:\terr = pci_register_driver(\u0026mcs_driver);\ndrivers/net/ethernet/marvell/octeontx2/af/rvu.c-3776-\tif (err \u003c 0)\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu.c-3778-\ndrivers/net/ethernet/marvell/octeontx2/af/rvu.c:3779:\terr =  pci_register_driver(\u0026rvu_driver);\ndrivers/net/ethernet/marvell/octeontx2/af/rvu.c-3780-\tif (err \u003c 0)\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c=3581=static int __init otx2_rvupf_init_module(void)\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c-3584-\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c:3585:\treturn pci_register_driver(\u0026otx2_pf_driver);\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c-3586-}\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_vf.c=875=static int __init otx2vf_init_module(void)\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_vf.c-878-\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_vf.c:879:\treturn pci_register_driver(\u0026otx2vf_driver);\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_vf.c-880-}\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/rep.c=869=static int __init rvu_rep_init_module(void)\ndrivers/net/ethernet/marvell/octeontx2/nic/rep.c-870-{\ndrivers/net/ethernet/marvell/octeontx2/nic/rep.c:871:\treturn pci_register_driver(\u0026rvu_rep_driver);\ndrivers/net/ethernet/marvell/octeontx2/nic/rep.c-872-}\n"
}

							input: 23854
							output: 42
							thoughts: 24

Okay, let's dive into this. Here's my thought process summarized, assuming I'm already pretty familiar with driver development and PCI devices:

**Examining the Device ID Table in the RVU Driver**

Alright, I need to get a handle on how this `rvu` driver is identifying and managing its PCI devices. My first instinct is to zero in on the `pci_device_id` table within `rvu.c`. That's the go-to spot for understanding which specific hardware the driver is designed to work with. I'm going to scan that table and look for the device identifiers (Vendor ID, Device ID, Subsystem Vendor ID, and Subsystem Device ID) that it recognizes. That will give me a clear picture of its intended target hardware and how it's handled. It also might be useful to understand how to add/remove IDs.

{
  "Expression": "rvu_driver",
  "PathPrefix": "drivers/net/ethernet/marvell/octeontx2/af/"
}

{
  "Output": "drivers/net/ethernet/marvell/octeontx2/af/rvu.c=3743=static void rvu_shutdown(struct pci_dev *pdev)\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu.c-3752-\ndrivers/net/ethernet/marvell/octeontx2/af/rvu.c:3753:static struct pci_driver rvu_driver = {\ndrivers/net/ethernet/marvell/octeontx2/af/rvu.c-3754-\t.name = DRV_NAME,\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu.c=3761=static int __init rvu_init_module(void)\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu.c-3778-\ndrivers/net/ethernet/marvell/octeontx2/af/rvu.c:3779:\terr =  pci_register_driver(\u0026rvu_driver);\ndrivers/net/ethernet/marvell/octeontx2/af/rvu.c-3780-\tif (err \u003c 0)\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu.c=3794=static void __exit rvu_cleanup_module(void)\ndrivers/net/ethernet/marvell/octeontx2/af/rvu.c-3795-{\ndrivers/net/ethernet/marvell/octeontx2/af/rvu.c:3796:\tpci_unregister_driver(\u0026rvu_driver);\ndrivers/net/ethernet/marvell/octeontx2/af/rvu.c-3797-\tpci_unregister_driver(\u0026mcs_driver);\n"
}

							input: 24586
							output: 51
							thoughts: 36

Okay, let's dive in.

**Inspecting the RVU Driver Declaration**

Right, I need to understand how the RVU driver is defined within the Marvell Octeon TX2 AF framework. My focus is on the `rvu_driver` declaration itself. I need to get a clear picture of its structure, how it's initialized, and any key properties defined within it. Specifically, I'm heading to `drivers/net/ethernet/marvell/octeontx2/af/rvu.c` to pinpoint the declaration and its details. This is the entry point for understanding the RVU driver's interaction with the broader system. I'm looking for the essential foundation of the driver.

{
  "File": "drivers/net/ethernet/marvell/octeontx2/af/rvu.c",
  "FirstLine": 3735,
  "LineCount": 40
}

{
  "Contents": "3735:\t\tpci_set_drvdata(pdev, NULL);\n3736:\t\n3737:\t\tdevm_kfree(\u0026pdev-\u003edev, rvu-\u003ehw);\n3738:\t\trvu_free_cn20k_mbox_memory(rvu);\n3739:\t\tdevm_kfree(\u0026pdev-\u003edev, rvu);\n3740:\t\tatomic_set(\u0026device_bound, 0);\n3741:\t}\n3742:\t\n3743:\tstatic void rvu_shutdown(struct pci_dev *pdev)\n3744:\t{\n3745:\t\tstruct rvu *rvu = pci_get_drvdata(pdev);\n3746:\t\n3747:\t\tif (!rvu)\n3748:\t\t\treturn;\n3749:\t\n3750:\t\trvu_clear_rvum_blk_revid(rvu);\n3751:\t}\n3752:\t\n3753:\tstatic struct pci_driver rvu_driver = {\n3754:\t\t.name = DRV_NAME,\n3755:\t\t.id_table = rvu_id_table,\n3756:\t\t.probe = rvu_probe,\n3757:\t\t.remove = rvu_remove,\n3758:\t\t.shutdown = rvu_shutdown,\n3759:\t};\n3760:\t\n3761:\tstatic int __init rvu_init_module(void)\n3762:\t{\n3763:\t\tint err;\n3764:\t\n3765:\t\tpr_info(\"%s: %s\\n\", DRV_NAME, DRV_STRING);\n3766:\t\n3767:\t\terr = pci_register_driver(\u0026cgx_driver);\n3768:\t\tif (err \u003c 0)\n3769:\t\t\treturn err;\n3770:\t\n3771:\t\terr = pci_register_driver(\u0026ptp_driver);\n3772:\t\tif (err \u003c 0)\n3773:\t\t\tgoto ptp_err;\n3774:\t\n"
}

							input: 25397
							output: 44
							thoughts: 19

Okay, let's dive into this. Here's my take on those thoughts, as if they're my own:

**Investigating the `rvu_id_table` within `rvu.c`**

Alright, time to get my hands dirty. My initial thought process is pretty straightforward: I need to understand what's happening with that `rvu_id_table`. Specifically, I'm thinking, "Okay, where is this `rvu_id_table` defined and used within the `rvu.c` file?" My goal is to get a handle on its purpose, how it's structured, and how it interacts with the rest of the RVU system. This table is likely central to ID management within the RVU architecture, and as an expert, I know that getting a grasp of its data model will be critical to fully understand how the system is put together. I need to figure out the use of this table and see how it fits into the code overall.

{
  "Expression": "rvu_id_table",
  "PathPrefix": "drivers/net/ethernet/marvell/octeontx2/af/"
}

{
  "Output": "drivers/net/ethernet/marvell/octeontx2/af/rvu.c=41=static irqreturn_t rvu_mbox_intr_handler(int irq, void *rvu_irq);\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu.c-43-/* Supported devices */\ndrivers/net/ethernet/marvell/octeontx2/af/rvu.c:44:static const struct pci_device_id rvu_id_table[] = {\ndrivers/net/ethernet/marvell/octeontx2/af/rvu.c-45-\t{ PCI_DEVICE(PCI_VENDOR_ID_CAVIUM, PCI_DEVID_OCTEONTX2_RVU_AF) },\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu.c=51=MODULE_LICENSE(\"GPL v2\");\ndrivers/net/ethernet/marvell/octeontx2/af/rvu.c:52:MODULE_DEVICE_TABLE(pci, rvu_id_table);\ndrivers/net/ethernet/marvell/octeontx2/af/rvu.c-53-\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu.c=3753=static struct pci_driver rvu_driver = {\ndrivers/net/ethernet/marvell/octeontx2/af/rvu.c-3754-\t.name = DRV_NAME,\ndrivers/net/ethernet/marvell/octeontx2/af/rvu.c:3755:\t.id_table = rvu_id_table,\ndrivers/net/ethernet/marvell/octeontx2/af/rvu.c-3756-\t.probe = rvu_probe,\n"
}

							input: 26143
							output: 49
							thoughts: 26

Okay, let's dive into this. Here's how I'd approach that snippet, considering I'm an expert in this field.

**Analyzing `rvu_id_table` Lines 43-50 in `rvu.c`**

Alright, I need to get my head around what's happening in `rvu.c` lines 43-50 concerning the `rvu_id_table`. I'm immediately thinking, "What's the context here?" Is this initialization, a lookup, an update, a cleanup? The name `rvu_id_table` itself is a good starting point. It strongly suggests a mapping of some sort of RVU identifier to… something. Based on the file context (which I'm assuming for now is relevant) this "something" is likely related to the overall RVU architecture.

I need to quickly assess the code. I'll need to look for data structures, variable declarations, and function calls related to this table. I'm looking for things like mutexes or spinlocks, because concurrent access to this ID table is usually involved. What functions are being called around this section? Are there any obvious potential race conditions? Is this table dynamically allocated? I should note if I see any potential issues immediately.

I'm probably going to be mentally making notes. Something like: "Line 43: Allocation? Initialization?" "Line 45: Lookup function. What is the return value?" "Line 48: Conditional check – what's the logic?" Is this chunk of code involved in setting up the RVU architecture, managing device identification, or something else entirely? A critical part of my analysis here is understanding the *purpose* of these lines within the broader code. What are they supposed to *achieve*? Does it handle error cases correctly, and does it align with the rest of the RVU's overall design?

I'm also considering potential optimizations. Could this section of code be more efficient? Are there any redundant operations? Is there a better algorithm or data structure I could use? Are any of the variables declared properly for their usage? Can I visualize the control flow, the data dependencies, and the potential for any issues?

My goal is to understand the code, identify its function, evaluate its correctness, and consider potential improvements, all with a critical eye. This will allow me to provide the user with a reliable assessment.

{
  "File": "drivers/net/ethernet/marvell/octeontx2/af/rvu.c",
  "FirstLine": 40,
  "LineCount": 15
}

{
  "Contents": "  40:\tstatic irqreturn_t rvu_mbox_pf_intr_handler(int irq, void *rvu_irq);\n  41:\tstatic irqreturn_t rvu_mbox_intr_handler(int irq, void *rvu_irq);\n  42:\t\n  43:\t/* Supported devices */\n  44:\tstatic const struct pci_device_id rvu_id_table[] = {\n  45:\t\t{ PCI_DEVICE(PCI_VENDOR_ID_CAVIUM, PCI_DEVID_OCTEONTX2_RVU_AF) },\n  46:\t\t{ 0, }  /* end of table */\n  47:\t};\n  48:\t\n  49:\tMODULE_AUTHOR(\"Sunil Goutham \u003csgoutham@marvell.com\u003e\");\n  50:\tMODULE_DESCRIPTION(DRV_STRING);\n  51:\tMODULE_LICENSE(\"GPL v2\");\n  52:\tMODULE_DEVICE_TABLE(pci, rvu_id_table);\n  53:\t\n  54:\tstatic char *mkex_profile; /* MKEX profile name */\n"
}

							input: 27021
							output: 28
							thoughts: 326

**Analyzing the OcteonTX2 RVU AF Device in a QEMU Context**

Okay, so I'm looking at `PCI_DEVICE(PCI_VENDOR_ID_CAVIUM, PCI_DEVID_OCTEONTX2_RVU_AF)`. That's the Cavium (now Marvell) OcteonTX2 Resource Virtualization Unit Admin Function. Right off the bat, I know this is vendor-specific hardware, a PCI device specific to the OcteonTX2 SoC, probably in a SmartNIC or NIC. My immediate question is, "Is this emulated in QEMU?" And the answer, as I suspect, is no. Standard QEMU doesn't emulate the RVU AF (0x177d vendor ID Cavium).

Furthermore, the architecture is AMD64, which complicates things because the device is for an ARM64 OcteonTX2. I know it *can* compile with `COMPILE_TEST` on 64-bit, but the actual device is only going to exist on the actual Cavium/Marvell hardware.

Let me just confirm my suspicions by checking the documentation. Yup, Section 2 of the instructions confirms it: "Structurally unreachable hardware...vendor-specific PCIe switches, SmartNICs..." Exactly what I thought.

Now, let's think strategically. Even if it's not a direct emulation, is there any possibility of reaching `rvu_mbox_handler_nix_txsch_alloc` or `nix_txsch_alloc` through a virtual bus, a mock device, or even a user-space interface? I'm going to search for callers of `rvu_mbox_handler_nix_txsch_alloc` to get a better sense of how it's used. Let's see if there's any indirect path.

{
  "Expression": "rvu_mbox_handler_nix_txsch_alloc"
}

{
  "Output": "drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c=2198=static int nix_txsch_alloc(struct rvu *rvu, struct nix_txsch *txsch,\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-2299-\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c:2300:int rvu_mbox_handler_nix_txsch_alloc(struct rvu *rvu,\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-2301-\t\t\t\t     struct nix_txsch_alloc_req *req,\n"
}

							input: 27976
							output: 43
							thoughts: 46

Okay, let's dive into this `rvu_mbox_handler_nix_txsch_alloc` function. My initial thought process is to understand its role within the Marvell RVU architecture. Specifically, I'm trying to figure out *how* this particular mailbox handler is integrated. My experience tells me that mailbox handlers in these systems are often managed in one of two ways: either they're neatly cataloged in a table or dispatched through macros. I need to trace its registration or invocation to grasp its position in the overall data flow.

{
  "Expression": "nix_txsch_alloc",
  "PathPrefix": "drivers/net/ethernet/marvell/octeontx2/"
}

{
  "Output": "drivers/net/ethernet/marvell/octeontx2/af/mbox.h=319=M(NIX_HWCTX_DISABLE,\t0x8003, nix_hwctx_disable,\t\t\t\\\ndrivers/net/ethernet/marvell/octeontx2/af/mbox.h-320-\t\t\t\t hwctx_disable_req, msg_rsp)\t\t\\\ndrivers/net/ethernet/marvell/octeontx2/af/mbox.h:321:M(NIX_TXSCH_ALLOC,\t0x8004, nix_txsch_alloc,\t\t\t\\\ndrivers/net/ethernet/marvell/octeontx2/af/mbox.h:322:\t\t\t\t nix_txsch_alloc_req, nix_txsch_alloc_rsp)   \\\ndrivers/net/ethernet/marvell/octeontx2/af/mbox.h-323-M(NIX_TXSCH_FREE,\t0x8005, nix_txsch_free, nix_txsch_free_req, msg_rsp) \\\n--\ndrivers/net/ethernet/marvell/octeontx2/af/mbox.h=1116=struct nix_aq_enq_rsp {\n--\ndrivers/net/ethernet/marvell/octeontx2/af/mbox.h-1131-\ndrivers/net/ethernet/marvell/octeontx2/af/mbox.h:1132:struct nix_txsch_alloc_req {\ndrivers/net/ethernet/marvell/octeontx2/af/mbox.h-1133-\tstruct mbox_msghdr hdr;\n--\ndrivers/net/ethernet/marvell/octeontx2/af/mbox.h-1138-\ndrivers/net/ethernet/marvell/octeontx2/af/mbox.h:1139:struct nix_txsch_alloc_rsp {\ndrivers/net/ethernet/marvell/octeontx2/af/mbox.h-1140-\tstruct mbox_msghdr hdr;\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c=2149=static int nix_check_txschq_alloc_req(struct rvu *rvu, int lvl, u16 pcifunc,\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-2150-\t\t\t\t      struct nix_hw *nix_hw,\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c:2151:\t\t\t\t      struct nix_txsch_alloc_req *req)\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-2152-{\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-2197-\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c:2198:static int nix_txsch_alloc(struct rvu *rvu, struct nix_txsch *txsch,\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c:2199:\t\t\t   struct nix_txsch_alloc_rsp *rsp,\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-2200-\t\t\t   int lvl, int start, int end)\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-2299-\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c:2300:int rvu_mbox_handler_nix_txsch_alloc(struct rvu *rvu,\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c:2301:\t\t\t\t     struct nix_txsch_alloc_req *req,\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c:2302:\t\t\t\t     struct nix_txsch_alloc_rsp *rsp)\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-2303-{\n--\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-2355-\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c:2356:\t\tif (nix_txsch_alloc(rvu, txsch, rsp, lvl, start, end))\ndrivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c-2357-\t\t\tgoto err;\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c=761=int otx2_txsch_alloc(struct otx2_nic *pfvf)\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c-763-\tint chan_cnt = pfvf-\u003ehw.tx_chan_cnt;\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c:764:\tstruct nix_txsch_alloc_req *req;\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c:765:\tstruct nix_txsch_alloc_rsp *rsp;\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c-766-\tint lvl, schq, rc;\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c-768-\t/* Get memory to put this msg */\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c:769:\treq = otx2_mbox_alloc_msg_nix_txsch_alloc(\u0026pfvf-\u003embox);\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c-770-\tif (!req)\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c-785-\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c:786:\trsp = (struct nix_txsch_alloc_rsp *)\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c-787-\t      otx2_mbox_get_rsp(\u0026pfvf-\u003embox.mbox, 0, \u0026req-\u003ehdr);\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h=1111=void mbox_handler_nix_lf_alloc(struct otx2_nic *pfvf,\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h-1112-\t\t\t       struct nix_lf_alloc_rsp *rsp);\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h:1113:void mbox_handler_nix_txsch_alloc(struct otx2_nic *pf,\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h:1114:\t\t\t\t  struct nix_txsch_alloc_rsp *rsp);\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h-1115-void mbox_handler_cgx_stats(struct otx2_nic *pfvf,\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_dcbnl.c=59=static int otx2_pfc_txschq_alloc_one(struct otx2_nic *pfvf, u8 prio)\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_dcbnl.c-60-{\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_dcbnl.c:61:\tstruct nix_txsch_alloc_req *req;\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_dcbnl.c:62:\tstruct nix_txsch_alloc_rsp *rsp;\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_dcbnl.c-63-\tint lvl, rc;\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_dcbnl.c-65-\t/* Get memory to put this msg */\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_dcbnl.c:66:\treq = otx2_mbox_alloc_msg_nix_txsch_alloc(\u0026pfvf-\u003embox);\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_dcbnl.c-67-\tif (!req)\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_dcbnl.c-80-\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_dcbnl.c:81:\trsp = (struct nix_txsch_alloc_rsp *)\ndrivers/net/ethernet/marvell/octeontx2/nic/otx2_dcbnl.c-82-\t      otx2_mbox_get_rsp(\u0026pfvf-\u003embox.mbox, 0, \u0026req-\u003ehdr);\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/qos.c=688=static int otx2_qos_txschq_alloc(struct otx2_nic *pfvf,\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/qos.c-690-{\ndrivers/net/ethernet/marvell/octeontx2/nic/qos.c:691:\tstruct nix_txsch_alloc_req *req;\ndrivers/net/ethernet/marvell/octeontx2/nic/qos.c:692:\tstruct nix_txsch_alloc_rsp *rsp;\ndrivers/net/ethernet/marvell/octeontx2/nic/qos.c-693-\tstruct mbox *mbox = \u0026pfvf-\u003embox;\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/qos.c-696-\tmutex_lock(\u0026mbox-\u003elock);\ndrivers/net/ethernet/marvell/octeontx2/nic/qos.c:697:\treq = otx2_mbox_alloc_msg_nix_txsch_alloc(\u0026pfvf-\u003embox);\ndrivers/net/ethernet/marvell/octeontx2/nic/qos.c-698-\tif (!req) {\n--\ndrivers/net/ethernet/marvell/octeontx2/nic/qos.c-713-\ndrivers/net/ethernet/marvell/octeontx2/nic/qos.c:714:\trsp = (struct nix_txsch_alloc_rsp *)\ndrivers/net/ethernet/marvell/octeontx2/nic/qos.c-715-\t      otx2_mbox_get_rsp(\u0026pfvf-\u003embox.mbox, 0, \u0026req-\u003ehdr);\n"
}

							input: 31125
							output: 131
							thoughts: 671

**Analysis of the Code's Fuzzing Suitability**

Okay, let's break this down. The patch touches `drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c`, specifically `nix_txsch_alloc()` and `rvu_mbox_handler_nix_txsch_alloc()`. This screams Marvell OcteonTX2 RVU Admin Function (AF) driver, which, as we know, is a PCI driver tied to the Cavium/Marvell OcteonTX2 hardware, specifically the `PCI_DEVID_OCTEONTX2_RVU_AF` device (0xA065). This AF driver is all about receiving mailbox messages from the OcteonTX2 PF/VF drivers running on the same hardware.

The crucial question is, is this hardware emulated in QEMU? No, definitely not. QEMU doesn't touch the Marvell OcteonTX2 RVU AF hardware.

Now, let's apply the criteria. We're looking for when to return `WorthFuzzing=false`, and the negative criteria is clear. This falls directly under the "Structurally unreachable hardware" category: "Vendor-specific PCIe switches, SmartNICs... requiring physical ASIC/PCIe cards not emulated in standard QEMU". This is precisely what we have here. It's a vendor-specific SmartNIC driver that needs the physical ASIC/PCIe card. Furthermore, the OcteonTX2 is ARM64 based, and the target architecture here is amd64.

Therefore, my conclusion is:

*   `WorthFuzzing: false.`
*   `FocusSymbols: []`
*   `EnableConfigs: []` (or empty)

I'm double-checking, just to be thorough:

*   The patch hits `drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c` (`nix_txsch_alloc` and `rvu_mbox_handler_nix_txsch_alloc`).
*   Marvell OcteonTX2 RVU AF is explicitly for Marvell/Cavium OcteonTX2 hardware (PCI 0x177d:0xa065).
*   It *needs* physical OcteonTX2 hardware/ASIC, and QEMU doesn't emulate it.
*   Thus, the code is structurally unreachable during fuzzing.

Yep, the logic is sound. We're good to go.

{
  "EnableConfigs": [],
  "FocusSymbols": [],
  "Reasoning": "The patch modifies queue allocation error handling in the Marvell OcteonTX2 RVU Admin Function driver (`drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c`). This driver targets vendor-specific Marvell/Cavium OcteonTX2 hardware and requires physical ASIC/PCIe hardware that is not emulated in standard QEMU/virtualized environments. Therefore, the modified code is structurally unreachable for fuzzing.",
  "WorthFuzzing": false
}

{
  "EnableConfigs": null,
  "FocusSymbols": [],
  "Reasoning": "The patch modifies queue allocation error handling in the Marvell OcteonTX2 RVU Admin Function driver (`drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c`). This driver targets vendor-specific Marvell/Cavium OcteonTX2 hardware and requires physical ASIC/PCIe hardware that is not emulated in standard QEMU/virtualized environments. Therefore, the modified code is structurally unreachable for fuzzing.",
  "WorthFuzzing": false
}

{
  "WorthFuzzing": false
}

LLM Calls Summary:
Total Calls	Total Tokens	Avg Tokens	Total Duration (Seconds)	Avg Duration (Seconds)

Tool Calls Summary:
Total Calls	Total Duration (Seconds)	Avg Duration (Seconds)