| Seq | Timestamp | Type | Name | Duration |
|---|---|---|---|---|
| 0/0 | 2026/09/26 08:06 | flow | patch-triage |
1mArgs:null Results: {
"EnableConfigs": null,
"FocusSymbols": [],
"KMSANReasoning": "",
"NeedsKMSAN": false,
"Reasoning": "The changes modify the Texas Instruments AM65x CPSW Ethernet driver (am65-cpsw-switchdev.c) and add a helper function to the CPSW ALE driver (cpsw_ale.c). The modified code is gated by CONFIG_TI_K3_AM65_CPSW_SWITCHDEV and CONFIG_TI_K3_AM65_CPSW_NUSS, which depend on ARCH_K3 (an ARM64-exclusive platform architecture) and cannot be enabled on the target amd64 architecture. Furthermore, the driver targets physical TI K3 SoC hardware that is not emulated in standard QEMU or GCE virtualized environments, making the code structurally unreachable for fuzzing.",
"WorthFuzzing": false
} |
| 1/1 | 2026/09/26 08:06 | action | read-patch-diff |
0mArgs:null Results: {
"PatchDiff": "commit 3ef4f62546de53acbc8ddb751f2338bea5d7a432\nAuthor: syz-cluster \u003ctriage@syzkaller.com\u003e\nDate: Sat Sep 26 08:06:13 2026 +0000\n\n syz-cluster: applied patch under review\n\ndiff --git a/drivers/net/ethernet/ti/am65-cpsw-switchdev.c b/drivers/net/ethernet/ti/am65-cpsw-switchdev.c\nindex 53cdac272b583..0dc681748b0e3 100644\n--- a/drivers/net/ethernet/ti/am65-cpsw-switchdev.c\n+++ b/drivers/net/ethernet/ti/am65-cpsw-switchdev.c\n@@ -397,13 +397,19 @@ static void am65_cpsw_switchdev_event_work(struct work_struct *work)\n \t\t\t fdb-\u003eaddr, fdb-\u003evid, fdb-\u003eadded_by_user,\n \t\t\t fdb-\u003eoffloaded, port_id);\n \n-\t\tif (!fdb-\u003eadded_by_user || fdb-\u003eis_local)\n+\t\tif (fdb-\u003eis_local)\n \t\t\tbreak;\n \t\tif (memcmp(port-\u003eslave.mac_addr, (u8 *)fdb-\u003eaddr, ETH_ALEN) == 0)\n \t\t\tport_id = HOST_PORT_NUM;\n \n-\t\tcpsw_ale_del_ucast(cpsw-\u003eale, (u8 *)fdb-\u003eaddr, port_id,\n-\t\t\t\t fdb-\u003evid ? ALE_VLAN : 0, fdb-\u003evid);\n+\t\tif (!fdb-\u003eadded_by_user)\n+\t\t\tcpsw_ale_del_ucast_dynamic_by_port(cpsw-\u003eale,\n+\t\t\t\t\t\t\t (u8 *)fdb-\u003eaddr,\n+\t\t\t\t\t\t\t port_id,\n+\t\t\t\t\t\t\t fdb-\u003evid);\n+\t\telse\n+\t\t\tcpsw_ale_del_ucast(cpsw-\u003eale, (u8 *)fdb-\u003eaddr, port_id,\n+\t\t\t\t\t fdb-\u003evid ? ALE_VLAN : 0, fdb-\u003evid);\n \t\tbreak;\n \tdefault:\n \t\tbreak;\ndiff --git a/drivers/net/ethernet/ti/cpsw_ale.c b/drivers/net/ethernet/ti/cpsw_ale.c\nindex e202bba494807..86bcea5744e01 100644\n--- a/drivers/net/ethernet/ti/cpsw_ale.c\n+++ b/drivers/net/ethernet/ti/cpsw_ale.c\n@@ -249,7 +249,7 @@ DEFINE_ALE_FIELD_SET(mcast_state,\t62,\t2)\n DEFINE_ALE_FIELD1(port_mask,\t\t66)\n DEFINE_ALE_FIELD(super,\t\t\t65,\t1)\n DEFINE_ALE_FIELD(ucast_type,\t\t62, 2)\n-DEFINE_ALE_FIELD1_SET(port_num,\t\t66)\n+DEFINE_ALE_FIELD1(port_num,\t\t66)\n DEFINE_ALE_FIELD_SET(blocked,\t\t65, 1)\n DEFINE_ALE_FIELD_SET(secure,\t\t64, 1)\n DEFINE_ALE_FIELD_GET(mcast,\t\t40,\t1)\n@@ -441,6 +441,48 @@ static int cpsw_ale_find_ageable(struct cpsw_ale *ale)\n \treturn -ENOENT;\n }\n \n+int cpsw_ale_del_ucast_dynamic_by_port(struct cpsw_ale *ale, const u8 *addr,\n+\t\t\t\t int port, u16 vid)\n+{\n+\tu32 ale_entry[ALE_ENTRY_WORDS];\n+\tint type, ucast_type, idx;\n+\tu8 entry_addr[6];\n+\tint deleted = 0;\n+\tint entry_vid;\n+\n+\tfor (idx = 0; idx \u003c ale-\u003eparams.ale_entries; idx++) {\n+\t\tcpsw_ale_read(ale, idx, ale_entry);\n+\t\ttype = cpsw_ale_get_entry_type(ale_entry);\n+\t\tif (type != ALE_TYPE_ADDR \u0026\u0026 type != ALE_TYPE_VLAN_ADDR)\n+\t\t\tcontinue;\n+\t\tif (cpsw_ale_get_mcast(ale_entry))\n+\t\t\tcontinue;\n+\t\tucast_type = cpsw_ale_get_ucast_type(ale_entry);\n+\t\tif (ucast_type == ALE_UCAST_PERSISTANT ||\n+\t\t ucast_type == ALE_UCAST_OUI)\n+\t\t\tcontinue;\n+\t\tif (cpsw_ale_get_port_num(ale_entry, ale-\u003eport_num_bits) != port)\n+\t\t\tcontinue;\n+\t\tcpsw_ale_get_addr(ale_entry, entry_addr);\n+\t\tif (!ether_addr_equal(entry_addr, addr))\n+\t\t\tcontinue;\n+\t\tentry_vid = cpsw_ale_get_vlan_id(ale_entry);\n+\t\tif (vid \u0026\u0026 entry_vid != vid)\n+\t\t\tcontinue;\n+\n+\t\tmemset(ale_entry, 0, sizeof(ale_entry));\n+\t\tcpsw_ale_set_entry_type(ale_entry, ALE_TYPE_FREE);\n+\t\tcpsw_ale_write(ale, idx, ale_entry);\n+\t\tdeleted++;\n+\n+\t\tif (vid)\n+\t\t\treturn 0;\n+\t}\n+\n+\treturn deleted ? 0 : -ENOENT;\n+}\n+EXPORT_SYMBOL_GPL(cpsw_ale_del_ucast_dynamic_by_port);\n+\n static void cpsw_ale_flush_mcast(struct cpsw_ale *ale, u32 *ale_entry,\n \t\t\t\t int port_mask)\n {\ndiff --git a/drivers/net/ethernet/ti/cpsw_ale.h b/drivers/net/ethernet/ti/cpsw_ale.h\nindex 87b7d1b3a34a9..3c48e4da18202 100644\n--- a/drivers/net/ethernet/ti/cpsw_ale.h\n+++ b/drivers/net/ethernet/ti/cpsw_ale.h\n@@ -166,6 +166,8 @@ int cpsw_ale_add_ucast(struct cpsw_ale *ale, const u8 *addr, int port,\n \t\t int flags, u16 vid);\n int cpsw_ale_del_ucast(struct cpsw_ale *ale, const u8 *addr, int port,\n \t\t int flags, u16 vid);\n+int cpsw_ale_del_ucast_dynamic_by_port(struct cpsw_ale *ale, const u8 *addr,\n+\t\t\t\t int port, u16 vid);\n int cpsw_ale_add_mcast(struct cpsw_ale *ale, const u8 *addr, int port_mask,\n \t\t int flags, u16 vid, int mcast_state);\n int cpsw_ale_del_mcast(struct cpsw_ale *ale, const u8 *addr, int port_mask,\n"
} |
| 2/1 | 2026/09/26 08:06 | agent | patch-evaluator |
1mModel:core Args: null Results: {
"EnableConfigs": null,
"FocusSymbols": [],
"Reasoning": "The changes modify the Texas Instruments AM65x CPSW Ethernet driver (am65-cpsw-switchdev.c) and add a helper function to the CPSW ALE driver (cpsw_ale.c). The modified code is gated by CONFIG_TI_K3_AM65_CPSW_SWITCHDEV and CONFIG_TI_K3_AM65_CPSW_NUSS, which depend on ARCH_K3 (an ARM64-exclusive platform architecture) and cannot be enabled on the target amd64 architecture. Furthermore, the driver targets physical TI K3 SoC hardware that is not emulated in standard QEMU or GCE virtualized environments, making the code 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 3ef4f62546de53acbc8ddb751f2338bea5d7a432
Author: syz-cluster <triage@syzkaller.com>
Date: Sat Sep 26 08:06:13 2026 +0000
syz-cluster: applied patch under review
diff --git a/drivers/net/ethernet/ti/am65-cpsw-switchdev.c b/drivers/net/ethernet/ti/am65-cpsw-switchdev.c
index 53cdac272b583..0dc681748b0e3 100644
--- a/drivers/net/ethernet/ti/am65-cpsw-switchdev.c
+++ b/drivers/net/ethernet/ti/am65-cpsw-switchdev.c
@@ -397,13 +397,19 @@ static void am65_cpsw_switchdev_event_work(struct work_struct *work)
fdb->addr, fdb->vid, fdb->added_by_user,
fdb->offloaded, port_id);
- if (!fdb->added_by_user || fdb->is_local)
+ if (fdb->is_local)
break;
if (memcmp(port->slave.mac_addr, (u8 *)fdb->addr, ETH_ALEN) == 0)
port_id = HOST_PORT_NUM;
- cpsw_ale_del_ucast(cpsw->ale, (u8 *)fdb->addr, port_id,
- fdb->vid ? ALE_VLAN : 0, fdb->vid);
+ if (!fdb->added_by_user)
+ cpsw_ale_del_ucast_dynamic_by_port(cpsw->ale,
+ (u8 *)fdb->addr,
+ port_id,
+ fdb->vid);
+ else
+ cpsw_ale_del_ucast(cpsw->ale, (u8 *)fdb->addr, port_id,
+ fdb->vid ? ALE_VLAN : 0, fdb->vid);
break;
default:
break;
diff --git a/drivers/net/ethernet/ti/cpsw_ale.c b/drivers/net/ethernet/ti/cpsw_ale.c
index e202bba494807..86bcea5744e01 100644
--- a/drivers/net/ethernet/ti/cpsw_ale.c
+++ b/drivers/net/ethernet/ti/cpsw_ale.c
@@ -249,7 +249,7 @@ DEFINE_ALE_FIELD_SET(mcast_state, 62, 2)
DEFINE_ALE_FIELD1(port_mask, 66)
DEFINE_ALE_FIELD(super, 65, 1)
DEFINE_ALE_FIELD(ucast_type, 62, 2)
-DEFINE_ALE_FIELD1_SET(port_num, 66)
+DEFINE_ALE_FIELD1(port_num, 66)
DEFINE_ALE_FIELD_SET(blocked, 65, 1)
DEFINE_ALE_FIELD_SET(secure, 64, 1)
DEFINE_ALE_FIELD_GET(mcast, 40, 1)
@@ -441,6 +441,48 @@ static int cpsw_ale_find_ageable(struct cpsw_ale *ale)
return -ENOENT;
}
+int cpsw_ale_del_ucast_dynamic_by_port(struct cpsw_ale *ale, const u8 *addr,
+ int port, u16 vid)
+{
+ u32 ale_entry[ALE_ENTRY_WORDS];
+ int type, ucast_type, idx;
+ u8 entry_addr[6];
+ int deleted = 0;
+ int entry_vid;
+
+ for (idx = 0; idx < ale->params.ale_entries; idx++) {
+ cpsw_ale_read(ale, idx, ale_entry);
+ type = cpsw_ale_get_entry_type(ale_entry);
+ if (type != ALE_TYPE_ADDR && type != ALE_TYPE_VLAN_ADDR)
+ continue;
+ if (cpsw_ale_get_mcast(ale_entry))
+ continue;
+ ucast_type = cpsw_ale_get_ucast_type(ale_entry);
+ if (ucast_type == ALE_UCAST_PERSISTANT ||
+ ucast_type == ALE_UCAST_OUI)
+ continue;
+ if (cpsw_ale_get_port_num(ale_entry, ale->port_num_bits) != port)
+ continue;
+ cpsw_ale_get_addr(ale_entry, entry_addr);
+ if (!ether_addr_equal(entry_addr, addr))
+ continue;
+ entry_vid = cpsw_ale_get_vlan_id(ale_entry);
+ if (vid && entry_vid != vid)
+ continue;
+
+ memset(ale_entry, 0, sizeof(ale_entry));
+ cpsw_ale_set_entry_type(ale_entry, ALE_TYPE_FREE);
+ cpsw_ale_write(ale, idx, ale_entry);
+ deleted++;
+
+ if (vid)
+ return 0;
+ }
+
+ return deleted ? 0 : -ENOENT;
+}
+EXPORT_SYMBOL_GPL(cpsw_ale_del_ucast_dynamic_by_port);
+
static void cpsw_ale_flush_mcast(struct cpsw_ale *ale, u32 *ale_entry,
int port_mask)
{
diff --git a/drivers/net/ethernet/ti/cpsw_ale.h b/drivers/net/ethernet/ti/cpsw_ale.h
index 87b7d1b3a34a9..3c48e4da18202 100644
--- a/drivers/net/ethernet/ti/cpsw_ale.h
+++ b/drivers/net/ethernet/ti/cpsw_ale.h
@@ -166,6 +166,8 @@ int cpsw_ale_add_ucast(struct cpsw_ale *ale, const u8 *addr, int port,
int flags, u16 vid);
int cpsw_ale_del_ucast(struct cpsw_ale *ale, const u8 *addr, int port,
int flags, u16 vid);
+int cpsw_ale_del_ucast_dynamic_by_port(struct cpsw_ale *ale, const u8 *addr,
+ int port, u16 vid);
int cpsw_ale_add_mcast(struct cpsw_ale *ale, const u8 *addr, int port_mask,
int flags, u16 vid, int mcast_state);
int cpsw_ale_del_mcast(struct cpsw_ale *ale, const u8 *addr, int port_mask,
|
| 3/2 | 2026/09/26 08:06 | llm | patch-evaluator |
0mModel:gemini-3.8-flash Args: null Results: null Tokens: input: 4396 output: 34 thoughts: 226 Thoughts: **Analyzing a TI CPSW Ethernet Driver Patch** Okay, so this patch affects a few key files: `am65-cpsw-switchdev.c`, `cpsw_ale.c`, and `cpsw_ale.h`. These files are clearly within the TI CPSW ethernet switch/network driver directory, specifically targeting the AM65x CPSW and its Address Lookup Engine (ALE). Right, the AM65x is a TI K3 ARM SoC, such as the AM654x. But hold on a second… the target architecture is amd64. That's unexpected. My immediate thought is, what are the relevant Kconfig options that might be compiling these files, even for an amd64 build? I need to figure out which config options, maybe `TI_K3_AM65_CPSW_NUSS` or something similar, control the compilation of those specific source files (`am65-cpsw-switchdev.c` and `cpsw_ale.c`). I'll use `grepper` to quickly inspect `drivers/net/ethernet/ti/Kconfig` and `drivers/net/ethernet/ti/Makefile` to locate the relevant configuration options and how they are used. |
| 4/2 | 2026/09/26 08:06 | tool | grepper |
0mArgs:{
"Expression": "am65-cpsw",
"PathPrefix": "drivers/net/ethernet/ti"
}Results: {
"Output": "drivers/net/ethernet/ti/Kconfig=96=config TI_K3_AM65_CPSW_NUSS\n--\ndrivers/net/ethernet/ti/Kconfig-113-\t To compile this driver as a module, choose M here: the module\ndrivers/net/ethernet/ti/Kconfig:114:\t will be called ti-am65-cpsw-nuss.\ndrivers/net/ethernet/ti/Kconfig-115-\n--\ndrivers/net/ethernet/ti/Makefile=29=obj-$(CONFIG_TI_K3_CPPI_DESC_POOL) += k3-cppi-desc-pool.o\ndrivers/net/ethernet/ti/Makefile-30-\ndrivers/net/ethernet/ti/Makefile:31:obj-$(CONFIG_TI_K3_AM65_CPSW_NUSS) += ti-am65-cpsw-nuss.o ti-cpsw-sl.o ti-cpsw-ale.o\ndrivers/net/ethernet/ti/Makefile:32:ti-am65-cpsw-nuss-y := am65-cpsw-nuss.o am65-cpsw-ethtool.o\ndrivers/net/ethernet/ti/Makefile:33:ti-am65-cpsw-nuss-$(CONFIG_TI_AM65_CPSW_QOS) += am65-cpsw-qos.o\ndrivers/net/ethernet/ti/Makefile:34:ti-am65-cpsw-nuss-$(CONFIG_TI_K3_AM65_CPSW_SWITCHDEV) += am65-cpsw-switchdev.o\ndrivers/net/ethernet/ti/Makefile-35-obj-$(CONFIG_TI_K3_AM65_CPTS) += am65-cpts.o\n--\ndrivers/net/ethernet/ti/am65-cpsw-ethtool.c-12-\ndrivers/net/ethernet/ti/am65-cpsw-ethtool.c:13:#include \"am65-cpsw-nuss.h\"\ndrivers/net/ethernet/ti/am65-cpsw-ethtool.c:14:#include \"am65-cpsw-qos.h\"\ndrivers/net/ethernet/ti/am65-cpsw-ethtool.c-15-#include \"cpsw_ale.h\"\n--\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c-39-#include \"cpsw_sl.h\"\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c:40:#include \"am65-cpsw-nuss.h\"\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c:41:#include \"am65-cpsw-switchdev.h\"\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c-42-#include \"k3-cppi-desc-pool.h\"\n--\ndrivers/net/ethernet/ti/am65-cpsw-nuss.h-17-#include \u003cnet/xdp.h\u003e\ndrivers/net/ethernet/ti/am65-cpsw-nuss.h:18:#include \"am65-cpsw-qos.h\"\ndrivers/net/ethernet/ti/am65-cpsw-nuss.h-19-\n--\ndrivers/net/ethernet/ti/am65-cpsw-nuss.h=195=struct am65_cpsw_ndev_priv {\n--\ndrivers/net/ethernet/ti/am65-cpsw-nuss.h-218-\ndrivers/net/ethernet/ti/am65-cpsw-nuss.h:219:#define AM65_CPSW_DRV_NAME \"am65-cpsw-nuss\"\ndrivers/net/ethernet/ti/am65-cpsw-nuss.h-220-\n--\ndrivers/net/ethernet/ti/am65-cpsw-qos.c-16-\ndrivers/net/ethernet/ti/am65-cpsw-qos.c:17:#include \"am65-cpsw-nuss.h\"\ndrivers/net/ethernet/ti/am65-cpsw-qos.c:18:#include \"am65-cpsw-qos.h\"\ndrivers/net/ethernet/ti/am65-cpsw-qos.c-19-#include \"am65-cpts.h\"\n--\ndrivers/net/ethernet/ti/am65-cpsw-switchdev.c-13-\ndrivers/net/ethernet/ti/am65-cpsw-switchdev.c:14:#include \"am65-cpsw-nuss.h\"\ndrivers/net/ethernet/ti/am65-cpsw-switchdev.c:15:#include \"am65-cpsw-switchdev.h\"\ndrivers/net/ethernet/ti/am65-cpsw-switchdev.c-16-#include \"cpsw_ale.h\"\n"
} |
| 5/2 | 2026/09/26 08:06 | llm | patch-evaluator |
0mModel:gemini-3.8-flash Args: null Results: null Tokens: input: 6192 output: 38 thoughts: 44 Thoughts: Here's my thought process, as if I were analyzing that Kconfig file: **Investigating the TI K3 AM65 CPSW NUSS Dependency** Okay, time to dig into the `drivers/net/ethernet/ti/Kconfig` file. I need to figure out what's driving the inclusion of `TI_K3_AM65_CPSW_NUSS`. Let's jump to around line 96 – that's usually a good starting point for dependencies within that area of the file. I anticipate it will be another symbol, maybe related to the AM65, a specific revision, or some broader architectural feature. Time to see what I can find. |
| 6/2 | 2026/09/26 08:06 | tool | read-file |
0mArgs:{
"File": "drivers/net/ethernet/ti/Kconfig",
"FirstLine": 90,
"LineCount": 40
}Results: {
"Contents": " 90:\t\t The unit can time stamp PTP UDP/IPv4 and Layer 2 packets, and the\n 91:\t\t driver offers a PTP Hardware Clock.\n 92:\t\n 93:\tconfig TI_K3_CPPI_DESC_POOL\n 94:\t\ttristate\n 95:\t\n 96:\tconfig TI_K3_AM65_CPSW_NUSS\n 97:\t\ttristate \"TI K3 AM654x/J721E CPSW Ethernet driver\"\n 98:\t\tdepends on ARCH_K3 \u0026\u0026 OF \u0026\u0026 TI_K3_UDMA_GLUE_LAYER\n 99:\t\tselect NET_DEVLINK\n 100:\t\tselect TI_DAVINCI_MDIO\n 101:\t\tselect PHYLINK\n 102:\t\tselect PAGE_POOL\n 103:\t\tselect TI_K3_CPPI_DESC_POOL\n 104:\t\timply PHY_TI_GMII_SEL\n 105:\t\tdepends on TI_K3_AM65_CPTS || !TI_K3_AM65_CPTS\n 106:\t\thelp\n 107:\t\t This driver supports TI K3 AM654/J721E CPSW2G Ethernet SubSystem.\n 108:\t\t The two-port Gigabit Ethernet MAC (MCU_CPSW0) subsystem provides\n 109:\t\t Ethernet packet communication for the device: One Ethernet port\n 110:\t\t (port 1) with selectable RGMII and RMII interfaces and an internal\n 111:\t\t Communications Port Programming Interface (CPPI) port (port 0).\n 112:\t\n 113:\t\t To compile this driver as a module, choose M here: the module\n 114:\t\t will be called ti-am65-cpsw-nuss.\n 115:\t\n 116:\tconfig TI_K3_AM65_CPSW_SWITCHDEV\n 117:\t\tbool \"TI K3 AM654x/J721E CPSW Switch mode support\"\n 118:\t\tdepends on TI_K3_AM65_CPSW_NUSS\n 119:\t\tdepends on NET_SWITCHDEV\n 120:\t\thelp\n 121:\t\t This enables switchdev support for TI K3 CPSWxG Ethernet\n 122:\t\t Switch. Enable this driver to support hardware switch support for AM65\n 123:\t\t CPSW NUSS driver.\n 124:\t\n 125:\tconfig TI_K3_AM65_CPTS\n 126:\t\ttristate \"TI K3 AM65x CPTS\"\n 127:\t\tdepends on ARCH_K3 \u0026\u0026 OF\n 128:\t\tdepends on PTP_1588_CLOCK\n 129:\t\thelp\n"
} |
| 7/2 | 2026/09/26 08:06 | llm | patch-evaluator |
0mModel:gemini-3.8-flash Args: null Results: null Tokens: input: 7136 output: 39 thoughts: 107 Thoughts: Okay, here's my take on those thoughts, framed from my expert perspective: **Investigating a Kernel Driver Dependency** Alright, let's break this down. Seeing that `TI_K3_AM65_CPSW_NUSS` is contingent upon `ARCH_K3 && OF && TI_K3_UDMA_GLUE_LAYER` immediately tells me we're looking at a specific Ethernet configuration for a K3-based system, likely with device tree support and a UDMA glue layer involved. This isn't unexpected, but the interplay between these options is something I need to keep in mind, and verify for full understanding. My immediate concern is if there any other build targets that also use the same files, which might imply shared behavior, or conversely, conflicts in the build configuration. The mention of `cpsw_ale.c` triggers a specific question: what is the scope of that file? I'm already thinking about potential driver interactions. I need to understand if it's only compiled in this specific configuration, or if it's used elsewhere, perhaps even on other TI platforms. Therefore, the most efficient next step is to examine the Makefile for Ethernet drivers and discover all the compilation targets for this file. This can be done by using grep to look for the compiled object files `cpsw_ale.o` or `ti-cpsw-ale.o` within the appropriate directory. I anticipate this will quickly reveal all the contexts in which this particular component is included, giving me a much clearer picture of its role and dependencies, and highlighting potential areas of concern, or optimization. |
| 8/2 | 2026/09/26 08:06 | tool | grepper |
0mArgs:{
"Expression": "cpsw_ale|ti-cpsw-ale",
"PathPrefix": "drivers/net/ethernet/ti"
}Results: {
"Output": "\nFull output is too long, showing 500 out of 1875 lines.\nUse more precise expression if possible.\n\ndrivers/net/ethernet/ti/Makefile=10=ti-cpsw-priv-y += cpsw_priv.o cpsw_ethtool.o\ndrivers/net/ethernet/ti/Makefile:11:ti-cpsw-ale-y += cpsw_ale.o\ndrivers/net/ethernet/ti/Makefile-12-ti-cpsw-sl-y += cpsw_sl.o\n--\ndrivers/net/ethernet/ti/Makefile=18=obj-$(CONFIG_TI_CPTS) += cpts.o\ndrivers/net/ethernet/ti/Makefile:19:obj-$(CONFIG_TI_CPSW) += ti_cpsw.o ti-cpsw-common.o ti-cpsw-priv.o ti-cpsw-ale.o ti-cpsw-sl.o\ndrivers/net/ethernet/ti/Makefile-20-ti_cpsw-y := cpsw.o\ndrivers/net/ethernet/ti/Makefile:21:obj-$(CONFIG_TI_CPSW_SWITCHDEV) += ti_cpsw_new.o ti-cpsw-common.o ti-cpsw-priv.o ti-cpsw-ale.o ti-cpsw-sl.o\ndrivers/net/ethernet/ti/Makefile-22-ti_cpsw_new-y := cpsw_switchdev.o cpsw_new.o\ndrivers/net/ethernet/ti/Makefile-23-\ndrivers/net/ethernet/ti/Makefile:24:obj-$(CONFIG_TI_KEYSTONE_NETCP) += keystone_netcp.o ti-cpsw-ale.o\ndrivers/net/ethernet/ti/Makefile-25-keystone_netcp-y := netcp_core.o\ndrivers/net/ethernet/ti/Makefile:26:obj-$(CONFIG_TI_KEYSTONE_NETCP_ETHSS) += keystone_netcp_ethss.o ti-cpsw-ale.o\ndrivers/net/ethernet/ti/Makefile-27-keystone_netcp_ethss-y := netcp_ethss.o netcp_sgmii.o netcp_xgbepcsr.o\n--\ndrivers/net/ethernet/ti/Makefile=29=obj-$(CONFIG_TI_K3_CPPI_DESC_POOL) += k3-cppi-desc-pool.o\ndrivers/net/ethernet/ti/Makefile-30-\ndrivers/net/ethernet/ti/Makefile:31:obj-$(CONFIG_TI_K3_AM65_CPSW_NUSS) += ti-am65-cpsw-nuss.o ti-cpsw-sl.o ti-cpsw-ale.o\ndrivers/net/ethernet/ti/Makefile-32-ti-am65-cpsw-nuss-y := am65-cpsw-nuss.o am65-cpsw-ethtool.o\n--\ndrivers/net/ethernet/ti/am65-cpsw-ethtool.c-14-#include \"am65-cpsw-qos.h\"\ndrivers/net/ethernet/ti/am65-cpsw-ethtool.c:15:#include \"cpsw_ale.h\"\ndrivers/net/ethernet/ti/am65-cpsw-ethtool.c-16-#include \"am65-cpts.h\"\n--\ndrivers/net/ethernet/ti/am65-cpsw-ethtool.c=534=static int am65_cpsw_get_regs_len(struct net_device *ndev)\n--\ndrivers/net/ethernet/ti/am65-cpsw-ethtool.c-538-\ndrivers/net/ethernet/ti/am65-cpsw-ethtool.c:539:\tale_entries = cpsw_ale_get_num_entries(common-\u003eale);\ndrivers/net/ethernet/ti/am65-cpsw-ethtool.c-540-\tfor (i = 0; i \u003c ARRAY_SIZE(am65_cpsw_regdump); i++) {\n--\ndrivers/net/ethernet/ti/am65-cpsw-ethtool.c=554=static void am65_cpsw_get_regs(struct net_device *ndev,\n--\ndrivers/net/ethernet/ti/am65-cpsw-ethtool.c-561-\tregs-\u003eversion = AM65_CPSW_REGDUMP_VER;\ndrivers/net/ethernet/ti/am65-cpsw-ethtool.c:562:\tale_entries = cpsw_ale_get_num_entries(common-\u003eale);\ndrivers/net/ethernet/ti/am65-cpsw-ethtool.c-563-\n--\ndrivers/net/ethernet/ti/am65-cpsw-ethtool.c-573-\t\t\treg[pos++] = ale_tbl_len;\ndrivers/net/ethernet/ti/am65-cpsw-ethtool.c:574:\t\t\tcpsw_ale_dump(common-\u003eale, \u0026reg[pos]);\ndrivers/net/ethernet/ti/am65-cpsw-ethtool.c-575-\t\t\tpos += ale_tbl_len;\n--\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c-37-\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c:38:#include \"cpsw_ale.h\"\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c-39-#include \"cpsw_sl.h\"\n--\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c=300=static int am65_cpsw_nuss_ndo_slave_add_vid(struct net_device *ndev,\n--\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c-319-\tdev_info(common-\u003edev, \"Adding vlan %d to vlan filter\\n\", vid);\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c:320:\tret = cpsw_ale_vlan_add_modify(common-\u003eale, vid, port_mask,\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c-321-\t\t\t\t 0, port_mask, 0);\n--\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c=327=static int am65_cpsw_nuss_ndo_slave_kill_vid(struct net_device *ndev,\n--\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c-344-\tdev_info(common-\u003edev, \"Removing vlan %d from vlan filter\\n\", vid);\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c:345:\tret = cpsw_ale_del_vlan(common-\u003eale, vid,\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c-346-\t\t\t\tBIT(port-\u003eport_id) | ALE_PORT_HOST);\n--\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c=352=static void am65_cpsw_slave_set_promisc(struct am65_cpsw_port *port,\n--\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c-363-\t\t/* Enable promiscuous mode */\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c:364:\t\tcpsw_ale_control_set(common-\u003eale, port-\u003eport_id,\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c-365-\t\t\t\t ALE_PORT_MACONLY_CAF, 1);\n--\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c-368-\t\t/* Disable promiscuous mode */\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c:369:\t\tcpsw_ale_control_set(common-\u003eale, port-\u003eport_id,\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c-370-\t\t\t\t ALE_PORT_MACONLY_CAF, 0);\n--\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c=375=static void am65_cpsw_nuss_ndo_slave_set_rx_mode(struct net_device *ndev)\n--\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c-388-\t/* Restore allmulti on vlans if necessary */\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c:389:\tcpsw_ale_set_allmulti(common-\u003eale,\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c-390-\t\t\t ndev-\u003eflags \u0026 IFF_ALLMULTI, port-\u003eport_id);\n--\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c-393-\t/* Clear all mcast from ALE */\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c:394:\tcpsw_ale_flush_multicast(common-\u003eale, port_mask, -1);\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c-395-\n--\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c-400-\t\tnetdev_for_each_mc_addr(ha, ndev) {\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c:401:\t\t\tcpsw_ale_add_mcast(common-\u003eale, ha-\u003eaddr,\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c-402-\t\t\t\t\t port_mask, 0, 0, 0);\n--\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c=867=static int am65_cpsw_nuss_common_open(struct am65_cpsw_common *common)\n--\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c-903-\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c:904:\tcpsw_ale_start(common-\u003eale);\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c-905-\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c-906-\t/* limit to one RX flow only */\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c:907:\tcpsw_ale_control_set(common-\u003eale, HOST_PORT_NUM,\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c-908-\t\t\t ALE_DEFAULT_THREAD_ID, 0);\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c:909:\tcpsw_ale_control_set(common-\u003eale, HOST_PORT_NUM,\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c-910-\t\t\t ALE_DEFAULT_THREAD_ENABLE, 1);\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c-911-\t/* switch to vlan aware mode */\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c:912:\tcpsw_ale_control_set(common-\u003eale, HOST_PORT_NUM, ALE_VLAN_AWARE, 1);\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c:913:\tcpsw_ale_control_set(common-\u003eale, HOST_PORT_NUM,\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c-914-\t\t\t ALE_PORT_STATE, ALE_PORT_STATE_FORWARD);\n--\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c-919-\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c:920:\tcpsw_ale_add_vlan(common-\u003eale, 0, port_mask,\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c-921-\t\t\t port_mask, port_mask,\n--\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c=948=static int am65_cpsw_nuss_common_stop(struct am65_cpsw_common *common)\n--\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c-952-\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c:953:\tcpsw_ale_control_set(common-\u003eale, HOST_PORT_NUM,\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c-954-\t\t\t ALE_PORT_STATE, ALE_PORT_STATE_DISABLE);\n--\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c-957-\tam65_cpsw_destroy_rxqs(common);\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c:958:\tcpsw_ale_stop(common-\u003eale);\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c-959-\n--\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c=1761=static int am65_cpsw_nuss_ndo_slave_set_mac_address(struct net_device *ndev,\n--\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c-1776-\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c:1777:\tcpsw_ale_del_ucast(common-\u003eale, ndev-\u003edev_addr,\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c-1778-\t\t\t HOST_PORT_NUM, 0, 0);\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c:1779:\tcpsw_ale_add_ucast(common-\u003eale, sockaddr-\u003esa_data,\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c-1780-\t\t\t HOST_PORT_NUM, ALE_SECURE, 0);\n--\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c=2086=static void am65_cpsw_nuss_mac_link_down(struct phylink_config *config, unsigned int mode,\n--\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c-2097-\t/* disable forwarding */\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c:2098:\tcpsw_ale_control_set(common-\u003eale, port-\u003eport_id, ALE_PORT_STATE, ALE_PORT_STATE_DISABLE);\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c-2099-\n--\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c=2119=static void am65_cpsw_nuss_mac_link_up(struct phylink_config *config, struct phy_device *phy,\n--\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c-2153-\t/* enable forwarding */\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c:2154:\tcpsw_ale_control_set(common-\u003eale, port-\u003eport_id, ALE_PORT_STATE, ALE_PORT_STATE_FORWARD);\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c-2155-\n--\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c=2166=static void am65_cpsw_nuss_slave_disable_unused(struct am65_cpsw_port *port)\n--\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c-2172-\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c:2173:\tcpsw_ale_control_set(common-\u003eale, port-\u003eport_id,\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c-2174-\t\t\t ALE_PORT_STATE, ALE_PORT_STATE_DISABLE);\n--\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c=2375=static int am65_cpsw_nuss_init_rx_chns(struct am65_cpsw_common *common)\n--\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c-2497-\t/* setup classifier to route priorities to flows */\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c:2498:\tcpsw_ale_classifier_setup_default(common-\u003eale, common-\u003erx_ch_num_flows);\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c-2499-\n--\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c=3040=static void am65_cpsw_init_stp_ale_entry(struct am65_cpsw_common *cpsw)\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c-3041-{\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c:3042:\tcpsw_ale_add_mcast(cpsw-\u003eale, eth_stp_addr, ALE_PORT_HOST, ALE_SUPER, 0,\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c-3043-\t\t\t ALE_MCAST_BLOCK_LEARN_FWD);\n--\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c=3046=static void am65_cpsw_init_host_port_switch(struct am65_cpsw_common *common)\n--\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c-3053-\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c:3054:\tcpsw_ale_control_set(common-\u003eale, HOST_PORT_NUM, ALE_P0_UNI_FLOOD, 1);\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c-3055-\tdev_dbg(common-\u003edev, \"Set P0_UNI_FLOOD\\n\");\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c:3056:\tcpsw_ale_control_set(common-\u003eale, HOST_PORT_NUM, ALE_PORT_NOLEARN, 0);\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c-3057-}\n--\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c=3059=static void am65_cpsw_init_host_port_emac(struct am65_cpsw_common *common)\n--\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c-3064-\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c:3065:\tcpsw_ale_control_set(common-\u003eale, HOST_PORT_NUM, ALE_P0_UNI_FLOOD, 0);\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c-3066-\tdev_dbg(common-\u003edev, \"unset P0_UNI_FLOOD\\n\");\n--\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c-3068-\t/* learning make no sense in multi-mac mode */\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c:3069:\tcpsw_ale_control_set(common-\u003eale, HOST_PORT_NUM, ALE_PORT_NOLEARN, 1);\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c-3070-}\n--\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c=3089=static void am65_cpsw_init_port_emac_ale(struct am65_cpsw_port *port)\n--\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c-3098-\t\t/* enable mac-only mode on port */\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c:3099:\t\tcpsw_ale_control_set(common-\u003eale, port-\u003eport_id,\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c-3100-\t\t\t\t ALE_PORT_MACONLY, 1);\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c-3101-\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c:3102:\tcpsw_ale_control_set(common-\u003eale, port-\u003eport_id, ALE_PORT_NOLEARN, 1);\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c-3103-\n--\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c-3105-\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c:3106:\tcpsw_ale_add_ucast(common-\u003eale, port-\u003endev-\u003edev_addr,\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c-3107-\t\t\t HOST_PORT_NUM, ALE_SECURE, slave-\u003eport_vlan);\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c:3108:\tcpsw_ale_add_mcast(common-\u003eale, port-\u003endev-\u003ebroadcast,\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c-3109-\t\t\t port_mask, ALE_VLAN, slave-\u003eport_vlan, ALE_MCAST_FWD_2);\n--\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c=3112=static void am65_cpsw_init_port_switch_ale(struct am65_cpsw_port *port)\n--\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c-3117-\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c:3118:\tcpsw_ale_control_set(cpsw-\u003eale, port-\u003eport_id,\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c-3119-\t\t\t ALE_PORT_NOLEARN, 0);\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c-3120-\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c:3121:\tcpsw_ale_add_ucast(cpsw-\u003eale, port-\u003endev-\u003edev_addr,\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c-3122-\t\t\t HOST_PORT_NUM, ALE_SECURE | ALE_BLOCKED | ALE_VLAN,\n--\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c-3126-\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c:3127:\tcpsw_ale_add_mcast(cpsw-\u003eale, port-\u003endev-\u003ebroadcast,\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c-3128-\t\t\t port_mask, ALE_VLAN, slave-\u003eport_vlan,\n--\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c-3132-\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c:3133:\tcpsw_ale_control_set(cpsw-\u003eale, port-\u003eport_id,\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c-3134-\t\t\t ALE_PORT_MACONLY, 0);\n--\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c=3137=static int am65_cpsw_dl_switch_mode_set(struct devlink *dl, u32 id,\n--\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c-3191-\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c:3192:\tcpsw_ale_control_set(cpsw-\u003eale, 0, ALE_BYPASS, 1);\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c-3193-\t/* clean up ALE table */\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c:3194:\tcpsw_ale_control_set(cpsw-\u003eale, HOST_PORT_NUM, ALE_CLEAR, 1);\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c:3195:\tcpsw_ale_control_get(cpsw-\u003eale, HOST_PORT_NUM, ALE_AGEOUT);\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c-3196-\n--\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c-3235-\t}\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c:3236:\tcpsw_ale_control_set(cpsw-\u003eale, HOST_PORT_NUM, ALE_BYPASS, 0);\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c-3237-exit:\n--\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c=3526=static int am65_cpsw_nuss_probe(struct platform_device *pdev)\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c-3527-{\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c:3528:\tstruct cpsw_ale_params ale_params = { 0 };\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c-3529-\tconst struct of_device_id *of_id;\n--\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c-3630-\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c:3631:\tcommon-\u003eale = cpsw_ale_create(\u0026ale_params);\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c-3632-\tif (IS_ERR(common-\u003eale)) {\n--\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c=3718=static int am65_cpsw_nuss_suspend(struct device *dev)\n--\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c-3725-\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c:3726:\tcpsw_ale_dump(common-\u003eale, common-\u003eale_context);\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c-3727-\thost_p-\u003evid_context = readl(host_p-\u003eport_base + AM65_CPSW_PORT_VLAN_REG_OFFSET);\n--\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c=3756=static int am65_cpsw_nuss_resume(struct device *dev)\n--\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c-3802-\twritel(host_p-\u003evid_context, host_p-\u003eport_base + AM65_CPSW_PORT_VLAN_REG_OFFSET);\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c:3803:\tcpsw_ale_restore(common-\u003eale, common-\u003eale_context);\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c-3804-\n--\ndrivers/net/ethernet/ti/am65-cpsw-nuss.h=149=struct am65_cpsw_common {\n--\ndrivers/net/ethernet/ti/am65-cpsw-nuss.h-163-\tint\t\t\tusage_count; /* number of opened ports */\ndrivers/net/ethernet/ti/am65-cpsw-nuss.h:164:\tstruct cpsw_ale\t\t*ale;\ndrivers/net/ethernet/ti/am65-cpsw-nuss.h-165-\tint\t\t\ttx_ch_num;\n--\ndrivers/net/ethernet/ti/am65-cpsw-qos.c-19-#include \"am65-cpts.h\"\ndrivers/net/ethernet/ti/am65-cpsw-qos.c:20:#include \"cpsw_ale.h\"\ndrivers/net/ethernet/ti/am65-cpsw-qos.c-21-\n--\ndrivers/net/ethernet/ti/am65-cpsw-qos.c=1023=static int am65_cpsw_qos_clsflower_add_policer(struct am65_cpsw_port *port,\n--\ndrivers/net/ethernet/ti/am65-cpsw-qos.c-1061-\t is_broadcast_ether_addr(match.mask-\u003edst)) {\ndrivers/net/ethernet/ti/am65-cpsw-qos.c:1062:\t\tret = cpsw_ale_rx_ratelimit_bc(port-\u003ecommon-\u003eale, port-\u003eport_id, rate_pkt_ps);\ndrivers/net/ethernet/ti/am65-cpsw-qos.c-1063-\t\tif (ret)\n--\ndrivers/net/ethernet/ti/am65-cpsw-qos.c-1069-\t\t ether_addr_equal_unaligned(match.mask-\u003edst, mc_mac)) {\ndrivers/net/ethernet/ti/am65-cpsw-qos.c:1070:\t\tret = cpsw_ale_rx_ratelimit_mc(port-\u003ecommon-\u003eale, port-\u003eport_id, rate_pkt_ps);\ndrivers/net/ethernet/ti/am65-cpsw-qos.c-1071-\t\tif (ret)\n--\ndrivers/net/ethernet/ti/am65-cpsw-qos.c=1144=static int am65_cpsw_qos_delete_clsflower(struct am65_cpsw_port *port, struct flow_cls_offload *cls)\n--\ndrivers/net/ethernet/ti/am65-cpsw-qos.c-1150-\t\tqos-\u003eale_bc_ratelimit.rate_packet_ps = 0;\ndrivers/net/ethernet/ti/am65-cpsw-qos.c:1151:\t\tcpsw_ale_rx_ratelimit_bc(port-\u003ecommon-\u003eale, port-\u003eport_id, 0);\ndrivers/net/ethernet/ti/am65-cpsw-qos.c-1152-\t}\n--\ndrivers/net/ethernet/ti/am65-cpsw-qos.c-1156-\t\tqos-\u003eale_mc_ratelimit.rate_packet_ps = 0;\ndrivers/net/ethernet/ti/am65-cpsw-qos.c:1157:\t\tcpsw_ale_rx_ratelimit_mc(port-\u003ecommon-\u003eale, port-\u003eport_id, 0);\ndrivers/net/ethernet/ti/am65-cpsw-qos.c-1158-\t}\n--\ndrivers/net/ethernet/ti/am65-cpsw-qos.h=26=struct am65_cpsw_iet {\n--\ndrivers/net/ethernet/ti/am65-cpsw-qos.h-31-\ndrivers/net/ethernet/ti/am65-cpsw-qos.h:32:struct am65_cpsw_ale_ratelimit {\ndrivers/net/ethernet/ti/am65-cpsw-qos.h-33-\tunsigned long cookie;\n--\ndrivers/net/ethernet/ti/am65-cpsw-qos.h=37=struct am65_cpsw_qos {\n--\ndrivers/net/ethernet/ti/am65-cpsw-qos.h-44-\ndrivers/net/ethernet/ti/am65-cpsw-qos.h:45:\tstruct am65_cpsw_ale_ratelimit ale_bc_ratelimit;\ndrivers/net/ethernet/ti/am65-cpsw-qos.h:46:\tstruct am65_cpsw_ale_ratelimit ale_mc_ratelimit;\ndrivers/net/ethernet/ti/am65-cpsw-qos.h-47-};\n--\ndrivers/net/ethernet/ti/am65-cpsw-switchdev.c-15-#include \"am65-cpsw-switchdev.h\"\ndrivers/net/ethernet/ti/am65-cpsw-switchdev.c:16:#include \"cpsw_ale.h\"\ndrivers/net/ethernet/ti/am65-cpsw-switchdev.c-17-\n--\ndrivers/net/ethernet/ti/am65-cpsw-switchdev.c=25=static int am65_cpsw_port_stp_state_set(struct am65_cpsw_port *port, u8 state)\n--\ndrivers/net/ethernet/ti/am65-cpsw-switchdev.c-48-\ndrivers/net/ethernet/ti/am65-cpsw-switchdev.c:49:\tret = cpsw_ale_control_set(cpsw-\u003eale, port-\u003eport_id,\ndrivers/net/ethernet/ti/am65-cpsw-switchdev.c-50-\t\t\t\t ALE_PORT_STATE, cpsw_state);\n--\ndrivers/net/ethernet/ti/am65-cpsw-switchdev.c=56=static int am65_cpsw_port_attr_br_flags_set(struct am65_cpsw_port *port,\n--\ndrivers/net/ethernet/ti/am65-cpsw-switchdev.c-70-\ndrivers/net/ethernet/ti/am65-cpsw-switchdev.c:71:\t\tcpsw_ale_set_unreg_mcast(cpsw-\u003eale, BIT(port-\u003eport_id),\ndrivers/net/ethernet/ti/am65-cpsw-switchdev.c-72-\t\t\t\t\t unreg_mcast_add);\n--\ndrivers/net/ethernet/ti/am65-cpsw-switchdev.c=149=static int am65_cpsw_port_vlan_add(struct am65_cpsw_port *port, bool untag, bool pvid,\n--\ndrivers/net/ethernet/ti/am65-cpsw-switchdev.c-175-\ndrivers/net/ethernet/ti/am65-cpsw-switchdev.c:176:\tret = cpsw_ale_vlan_add_modify(cpsw-\u003eale, vid, port_mask, untag_mask,\ndrivers/net/ethernet/ti/am65-cpsw-switchdev.c-177-\t\t\t\t reg_mcast_mask, unreg_mcast_mask);\n--\ndrivers/net/ethernet/ti/am65-cpsw-switchdev.c-183-\tif (cpu_port)\ndrivers/net/ethernet/ti/am65-cpsw-switchdev.c:184:\t\tcpsw_ale_add_ucast(cpsw-\u003eale, port-\u003eslave.mac_addr,\ndrivers/net/ethernet/ti/am65-cpsw-switchdev.c-185-\t\t\t\t HOST_PORT_NUM, ALE_VLAN | ALE_SECURE, vid);\n--\ndrivers/net/ethernet/ti/am65-cpsw-switchdev.c=197=static int am65_cpsw_port_vlan_del(struct am65_cpsw_port *port, u16 vid,\n--\ndrivers/net/ethernet/ti/am65-cpsw-switchdev.c-209-\ndrivers/net/ethernet/ti/am65-cpsw-switchdev.c:210:\tret = cpsw_ale_del_vlan(cpsw-\u003eale, vid, port_mask);\ndrivers/net/ethernet/ti/am65-cpsw-switchdev.c-211-\tif (ret != 0)\n--\ndrivers/net/ethernet/ti/am65-cpsw-switchdev.c-217-\tif (cpu_port)\ndrivers/net/ethernet/ti/am65-cpsw-switchdev.c:218:\t\tcpsw_ale_del_ucast(cpsw-\u003eale, port-\u003eslave.mac_addr,\ndrivers/net/ethernet/ti/am65-cpsw-switchdev.c-219-\t\t\t\t HOST_PORT_NUM, ALE_VLAN, vid);\n--\ndrivers/net/ethernet/ti/am65-cpsw-switchdev.c-226-\t */\ndrivers/net/ethernet/ti/am65-cpsw-switchdev.c:227:\tcpsw_ale_del_mcast(cpsw-\u003eale, port-\u003endev-\u003ebroadcast, port_mask,\ndrivers/net/ethernet/ti/am65-cpsw-switchdev.c-228-\t\t\t ALE_VLAN, vid);\n--\ndrivers/net/ethernet/ti/am65-cpsw-switchdev.c=255=static int am65_cpsw_port_mdb_add(struct am65_cpsw_port *port,\n--\ndrivers/net/ethernet/ti/am65-cpsw-switchdev.c-269-\ndrivers/net/ethernet/ti/am65-cpsw-switchdev.c:270:\terr = cpsw_ale_add_mcast(cpsw-\u003eale, mdb-\u003eaddr, port_mask,\ndrivers/net/ethernet/ti/am65-cpsw-switchdev.c-271-\t\t\t\t ALE_VLAN, mdb-\u003evid, 0);\n--\ndrivers/net/ethernet/ti/am65-cpsw-switchdev.c=278=static int am65_cpsw_port_mdb_del(struct am65_cpsw_port *port,\n--\ndrivers/net/ethernet/ti/am65-cpsw-switchdev.c-292-\t/* Ignore error as error code is returned only when entry is already removed */\ndrivers/net/ethernet/ti/am65-cpsw-switchdev.c:293:\tcpsw_ale_del_mcast(cpsw-\u003eale, mdb-\u003eaddr, del_mask,\ndrivers/net/ethernet/ti/am65-cpsw-switchdev.c-294-\t\t\t ALE_VLAN, mdb-\u003evid);\n--\ndrivers/net/ethernet/ti/am65-cpsw-switchdev.c=366=static void am65_cpsw_switchdev_event_work(struct work_struct *work)\n--\ndrivers/net/ethernet/ti/am65-cpsw-switchdev.c-388-\ndrivers/net/ethernet/ti/am65-cpsw-switchdev.c:389:\t\tcpsw_ale_add_ucast(cpsw-\u003eale, (u8 *)fdb-\u003eaddr, port_id,\ndrivers/net/ethernet/ti/am65-cpsw-switchdev.c-390-\t\t\t\t fdb-\u003evid ? ALE_VLAN : 0, fdb-\u003evid);\n--\ndrivers/net/ethernet/ti/am65-cpsw-switchdev.c-405-\t\tif (!fdb-\u003eadded_by_user)\ndrivers/net/ethernet/ti/am65-cpsw-switchdev.c:406:\t\t\tcpsw_ale_del_ucast_dynamic_by_port(cpsw-\u003eale,\ndrivers/net/ethernet/ti/am65-cpsw-switchdev.c-407-\t\t\t\t\t\t\t (u8 *)fdb-\u003eaddr,\n--\ndrivers/net/ethernet/ti/am65-cpsw-switchdev.c-410-\t\telse\ndrivers/net/ethernet/ti/am65-cpsw-switchdev.c:411:\t\t\tcpsw_ale_del_ucast(cpsw-\u003eale, (u8 *)fdb-\u003eaddr, port_id,\ndrivers/net/ethernet/ti/am65-cpsw-switchdev.c-412-\t\t\t\t\t fdb-\u003evid ? ALE_VLAN : 0, fdb-\u003evid);\n--\ndrivers/net/ethernet/ti/cpsw.c-41-#include \"cpsw.h\"\ndrivers/net/ethernet/ti/cpsw.c:42:#include \"cpsw_ale.h\"\ndrivers/net/ethernet/ti/cpsw.c-43-#include \"cpsw_priv.h\"\n--\ndrivers/net/ethernet/ti/cpsw.c=94=static void cpsw_set_promiscious(struct net_device *ndev, bool enable)\n--\ndrivers/net/ethernet/ti/cpsw.c-96-\tstruct cpsw_common *cpsw = ndev_to_cpsw(ndev);\ndrivers/net/ethernet/ti/cpsw.c:97:\tstruct cpsw_ale *ale = cpsw-\u003eale;\ndrivers/net/ethernet/ti/cpsw.c-98-\tint i;\n--\ndrivers/net/ethernet/ti/cpsw.c-117-\t\t\t/* Enable Bypass */\ndrivers/net/ethernet/ti/cpsw.c:118:\t\t\tcpsw_ale_control_set(ale, 0, ALE_BYPASS, 1);\ndrivers/net/ethernet/ti/cpsw.c-119-\n--\ndrivers/net/ethernet/ti/cpsw.c-122-\t\t\t/* Disable Bypass */\ndrivers/net/ethernet/ti/cpsw.c:123:\t\t\tcpsw_ale_control_set(ale, 0, ALE_BYPASS, 0);\ndrivers/net/ethernet/ti/cpsw.c-124-\t\t\tdev_dbg(\u0026ndev-\u003edev, \"promiscuity disabled\\n\");\n--\ndrivers/net/ethernet/ti/cpsw.c-131-\t\t\tfor (i = 0; i \u003c= cpsw-\u003edata.slaves; i++) {\ndrivers/net/ethernet/ti/cpsw.c:132:\t\t\t\tcpsw_ale_control_set(ale, i,\ndrivers/net/ethernet/ti/cpsw.c-133-\t\t\t\t\t\t ALE_PORT_NOLEARN, 1);\ndrivers/net/ethernet/ti/cpsw.c:134:\t\t\t\tcpsw_ale_control_set(ale, i,\ndrivers/net/ethernet/ti/cpsw.c-135-\t\t\t\t\t\t ALE_PORT_NO_SA_UPDATE, 1);\n--\ndrivers/net/ethernet/ti/cpsw.c-138-\t\t\t/* Clear All Untouched entries */\ndrivers/net/ethernet/ti/cpsw.c:139:\t\t\tcpsw_ale_control_set(ale, 0, ALE_AGEOUT, 1);\ndrivers/net/ethernet/ti/cpsw.c-140-\t\t\tdo {\ndrivers/net/ethernet/ti/cpsw.c-141-\t\t\t\tcpu_relax();\ndrivers/net/ethernet/ti/cpsw.c:142:\t\t\t\tif (cpsw_ale_control_get(ale, 0, ALE_AGEOUT))\ndrivers/net/ethernet/ti/cpsw.c-143-\t\t\t\t\tbreak;\ndrivers/net/ethernet/ti/cpsw.c-144-\t\t\t} while (time_after(timeout, jiffies));\ndrivers/net/ethernet/ti/cpsw.c:145:\t\t\tcpsw_ale_control_set(ale, 0, ALE_AGEOUT, 1);\ndrivers/net/ethernet/ti/cpsw.c-146-\ndrivers/net/ethernet/ti/cpsw.c-147-\t\t\t/* Clear all mcast from ALE */\ndrivers/net/ethernet/ti/cpsw.c:148:\t\t\tcpsw_ale_flush_multicast(ale, ALE_ALL_PORTS, -1);\ndrivers/net/ethernet/ti/cpsw.c-149-\t\t\t__hw_addr_ref_unsync_dev(\u0026ndev-\u003emc, ndev, NULL);\n--\ndrivers/net/ethernet/ti/cpsw.c-151-\t\t\t/* Flood All Unicast Packets to Host port */\ndrivers/net/ethernet/ti/cpsw.c:152:\t\t\tcpsw_ale_control_set(ale, 0, ALE_P0_UNI_FLOOD, 1);\ndrivers/net/ethernet/ti/cpsw.c-153-\t\t\tdev_dbg(\u0026ndev-\u003edev, \"promiscuity enabled\\n\");\n--\ndrivers/net/ethernet/ti/cpsw.c-155-\t\t\t/* Don't Flood All Unicast Packets to Host port */\ndrivers/net/ethernet/ti/cpsw.c:156:\t\t\tcpsw_ale_control_set(ale, 0, ALE_P0_UNI_FLOOD, 0);\ndrivers/net/ethernet/ti/cpsw.c-157-\n--\ndrivers/net/ethernet/ti/cpsw.c-159-\t\t\tfor (i = 0; i \u003c= cpsw-\u003edata.slaves; i++) {\ndrivers/net/ethernet/ti/cpsw.c:160:\t\t\t\tcpsw_ale_control_set(ale, i,\ndrivers/net/ethernet/ti/cpsw.c-161-\t\t\t\t\t\t ALE_PORT_NOLEARN, 0);\ndrivers/net/ethernet/ti/cpsw.c:162:\t\t\t\tcpsw_ale_control_set(ale, i,\ndrivers/net/ethernet/ti/cpsw.c-163-\t\t\t\t\t\t ALE_PORT_NO_SA_UPDATE, 0);\n--\ndrivers/net/ethernet/ti/cpsw.c=178=static int cpsw_set_mc(struct net_device *ndev, const u8 *addr,\n--\ndrivers/net/ethernet/ti/cpsw.c-195-\tif (add)\ndrivers/net/ethernet/ti/cpsw.c:196:\t\tret = cpsw_ale_add_mcast(cpsw-\u003eale, addr, mask, flags, vid, 0);\ndrivers/net/ethernet/ti/cpsw.c-197-\telse\ndrivers/net/ethernet/ti/cpsw.c:198:\t\tret = cpsw_ale_del_mcast(cpsw-\u003eale, addr, 0, flags, vid);\ndrivers/net/ethernet/ti/cpsw.c-199-\n--\ndrivers/net/ethernet/ti/cpsw.c=308=static void cpsw_ndo_set_rx_mode_work(struct work_struct *work)\n--\ndrivers/net/ethernet/ti/cpsw.c-326-\t\tcpsw_set_promiscious(ndev, true);\ndrivers/net/ethernet/ti/cpsw.c:327:\t\tcpsw_ale_set_allmulti(cpsw-\u003eale, IFF_ALLMULTI, slave_port);\ndrivers/net/ethernet/ti/cpsw.c-328-\t\tgoto unlock_addr;\n--\ndrivers/net/ethernet/ti/cpsw.c-334-\t/* Restore allmulti on vlans if necessary */\ndrivers/net/ethernet/ti/cpsw.c:335:\tcpsw_ale_set_allmulti(cpsw-\u003eale,\ndrivers/net/ethernet/ti/cpsw.c-336-\t\t\t ndev-\u003eflags \u0026 IFF_ALLMULTI, slave_port);\n--\ndrivers/net/ethernet/ti/cpsw.c=477=static void _cpsw_adjust_link(struct cpsw_slave *slave,\n--\ndrivers/net/ethernet/ti/cpsw.c-514-\t\t/* enable forwarding */\ndrivers/net/ethernet/ti/cpsw.c:515:\t\tcpsw_ale_control_set(cpsw-\u003eale, slave_port,\ndrivers/net/ethernet/ti/cpsw.c-516-\t\t\t\t ALE_PORT_STATE, ALE_PORT_STATE_FORWARD);\n--\ndrivers/net/ethernet/ti/cpsw.c-527-\t\t/* disable forwarding */\ndrivers/net/ethernet/ti/cpsw.c:528:\t\tcpsw_ale_control_set(cpsw-\u003eale, slave_port,\ndrivers/net/ethernet/ti/cpsw.c-529-\t\t\t\t ALE_PORT_STATE, ALE_PORT_STATE_DISABLE);\n--\ndrivers/net/ethernet/ti/cpsw.c=563=static inline void cpsw_add_dual_emac_def_ale_entries(\n--\ndrivers/net/ethernet/ti/cpsw.c-573-\t\tslave_write(slave, slave-\u003eport_vlan, CPSW2_PORT_VLAN);\ndrivers/net/ethernet/ti/cpsw.c:574:\tcpsw_ale_add_vlan(cpsw-\u003eale, slave-\u003eport_vlan, port_mask,\ndrivers/net/ethernet/ti/cpsw.c-575-\t\t\t port_mask, port_mask, 0);\ndrivers/net/ethernet/ti/cpsw.c:576:\tcpsw_ale_add_mcast(cpsw-\u003eale, priv-\u003endev-\u003ebroadcast,\ndrivers/net/ethernet/ti/cpsw.c-577-\t\t\t ALE_PORT_HOST, ALE_VLAN, slave-\u003eport_vlan, 0);\ndrivers/net/ethernet/ti/cpsw.c:578:\tcpsw_ale_add_ucast(cpsw-\u003eale, priv-\u003emac_addr,\ndrivers/net/ethernet/ti/cpsw.c-579-\t\t\t HOST_PORT_NUM, ALE_VLAN |\ndrivers/net/ethernet/ti/cpsw.c-580-\t\t\t ALE_SECURE, slave-\u003eport_vlan);\ndrivers/net/ethernet/ti/cpsw.c:581:\tcpsw_ale_control_set(cpsw-\u003eale, slave_port,\ndrivers/net/ethernet/ti/cpsw.c-582-\t\t\t ALE_PORT_DROP_UNKNOWN_VLAN, 1);\n--\ndrivers/net/ethernet/ti/cpsw.c=585=static void cpsw_slave_open(struct cpsw_slave *slave, struct cpsw_priv *priv)\n--\ndrivers/net/ethernet/ti/cpsw.c-632-\telse\ndrivers/net/ethernet/ti/cpsw.c:633:\t\tcpsw_ale_add_mcast(cpsw-\u003eale, priv-\u003endev-\u003ebroadcast,\ndrivers/net/ethernet/ti/cpsw.c-634-\t\t\t\t 1 \u003c\u003c slave_port, 0, 0, ALE_MCAST_FWD_2);\n--\ndrivers/net/ethernet/ti/cpsw.c=676=static inline void cpsw_add_default_vlan(struct cpsw_priv *priv)\n--\ndrivers/net/ethernet/ti/cpsw.c-696-\ndrivers/net/ethernet/ti/cpsw.c:697:\tcpsw_ale_add_vlan(cpsw-\u003eale, vlan, ALE_ALL_PORTS,\ndrivers/net/ethernet/ti/cpsw.c-698-\t\t\t ALE_ALL_PORTS, ALE_ALL_PORTS,\n--\ndrivers/net/ethernet/ti/cpsw.c=702=static void cpsw_init_host_port(struct cpsw_priv *priv)\n--\ndrivers/net/ethernet/ti/cpsw.c-709-\tcpsw_soft_reset(\"cpsw\", \u0026cpsw-\u003eregs-\u003esoft_reset);\ndrivers/net/ethernet/ti/cpsw.c:710:\tcpsw_ale_start(cpsw-\u003eale);\ndrivers/net/ethernet/ti/cpsw.c-711-\ndrivers/net/ethernet/ti/cpsw.c-712-\t/* switch to vlan aware mode */\ndrivers/net/ethernet/ti/cpsw.c:713:\tcpsw_ale_control_set(cpsw-\u003eale, HOST_PORT_NUM, ALE_VLAN_AWARE,\ndrivers/net/ethernet/ti/cpsw.c-714-\t\t\t CPSW_ALE_VLAN_AWARE);\n--\ndrivers/net/ethernet/ti/cpsw.c-726-\ndrivers/net/ethernet/ti/cpsw.c:727:\tcpsw_ale_control_set(cpsw-\u003eale, HOST_PORT_NUM,\ndrivers/net/ethernet/ti/cpsw.c-728-\t\t\t ALE_PORT_STATE, ALE_PORT_STATE_FORWARD);\n--\ndrivers/net/ethernet/ti/cpsw.c-730-\tif (!cpsw-\u003edata.dual_emac) {\ndrivers/net/ethernet/ti/cpsw.c:731:\t\tcpsw_ale_add_ucast(cpsw-\u003eale, priv-\u003emac_addr, HOST_PORT_NUM,\ndrivers/net/ethernet/ti/cpsw.c-732-\t\t\t\t 0, 0);\ndrivers/net/ethernet/ti/cpsw.c:733:\t\tcpsw_ale_add_mcast(cpsw-\u003eale, priv-\u003endev-\u003ebroadcast,\ndrivers/net/ethernet/ti/cpsw.c-734-\t\t\t\t ALE_PORT_HOST, 0, 0, ALE_MCAST_FWD_2);\n--\ndrivers/net/ethernet/ti/cpsw.c=738=static void cpsw_slave_stop(struct cpsw_slave *slave, struct cpsw_common *cpsw)\n--\ndrivers/net/ethernet/ti/cpsw.c-748-\tslave-\u003ephy = NULL;\ndrivers/net/ethernet/ti/cpsw.c:749:\tcpsw_ale_control_set(cpsw-\u003eale, slave_port,\ndrivers/net/ethernet/ti/cpsw.c-750-\t\t\t ALE_PORT_STATE, ALE_PORT_STATE_DISABLE);\n--\ndrivers/net/ethernet/ti/cpsw.c=779=static int cpsw_ndo_open(struct net_device *ndev)\n--\ndrivers/net/ethernet/ti/cpsw.c-819-\telse\ndrivers/net/ethernet/ti/cpsw.c:820:\t\tcpsw_ale_add_vlan(cpsw-\u003eale, cpsw-\u003edata.default_vlan,\ndrivers/net/ethernet/ti/cpsw.c-821-\t\t\t\t ALE_ALL_PORTS, ALE_ALL_PORTS, 0, 0);\n--\ndrivers/net/ethernet/ti/cpsw.c=896=static int cpsw_ndo_stop(struct net_device *ndev)\n--\ndrivers/net/ethernet/ti/cpsw.c-911-\t\tcpdma_ctlr_stop(cpsw-\u003edma);\ndrivers/net/ethernet/ti/cpsw.c:912:\t\tcpsw_ale_stop(cpsw-\u003eale);\ndrivers/net/ethernet/ti/cpsw.c-913-\t\tcpsw_destroy_xdp_rxqs(cpsw);\n--\ndrivers/net/ethernet/ti/cpsw.c=986=static int cpsw_ndo_set_mac_address(struct net_device *ndev, void *p)\n--\ndrivers/net/ethernet/ti/cpsw.c-1006-\ndrivers/net/ethernet/ti/cpsw.c:1007:\tcpsw_ale_del_ucast(cpsw-\u003eale, priv-\u003emac_addr, HOST_PORT_NUM,\ndrivers/net/ethernet/ti/cpsw.c-1008-\t\t\t flags, vid);\ndrivers/net/ethernet/ti/cpsw.c:1009:\tcpsw_ale_add_ucast(cpsw-\u003eale, addr-\u003esa_data, HOST_PORT_NUM,\ndrivers/net/ethernet/ti/cpsw.c-1010-\t\t\t flags, vid);\n--\ndrivers/net/ethernet/ti/cpsw.c=1021=static inline int cpsw_add_vlan_ale_entry(struct cpsw_priv *priv,\n--\ndrivers/net/ethernet/ti/cpsw.c-1045-\ndrivers/net/ethernet/ti/cpsw.c:1046:\tret = cpsw_ale_add_vlan(cpsw-\u003eale, vid, port_mask, 0, port_mask,\ndrivers/net/ethernet/ti/cpsw.c-1047-\t\t\t\tunreg_mcast_mask);\n--\ndrivers/net/ethernet/ti/cpsw.c-1050-\ndrivers/net/ethernet/ti/cpsw.c:1051:\tret = cpsw_ale_add_ucast(cpsw-\u003eale, priv-\u003emac_addr,\ndrivers/net/ethernet/ti/cpsw.c-1052-\t\t\t\t HOST_PORT_NUM, ALE_VLAN, vid);\n--\ndrivers/net/ethernet/ti/cpsw.c-1055-\ndrivers/net/ethernet/ti/cpsw.c:1056:\tret = cpsw_ale_add_mcast(cpsw-\u003eale, priv-\u003endev-\u003ebroadcast,\n\n"
} |
| 9/2 | 2026/09/26 08:06 | llm | patch-evaluator |
0mModel:gemini-3.8-flash Args: null Results: null Tokens: input: 22466 output: 29 thoughts: 46 Thoughts: Okay, here's my take on those thoughts, tailored for an expert audience, presented in the first person: **Analyzing the Call Sites of `cpsw_ale_del_ucast_dynamic_by_port`** Alright, my brain just kicked in, and my first instinct is to dive deep on this function, `cpsw_ale_del_ucast_dynamic_by_port`. The name screams "dynamic unicast MAC address removal" tied to a specific port, so I know we're dealing with MAC learning and potentially some aging or flushing mechanisms within the ALE (Address Lookup Engine) of a CPSW (Cross-Port Switch). My immediate thought is, *where* is this function being called? I need the context. Knowing the call sites will reveal the scenarios that trigger MAC address deletion. Is it aging out old entries? Is it handling port link-down events? Is it responding to management plane requests to clear specific MACs? That context is *everything*. So, my next move is obvious: I need to quickly see the source code that calls `cpsw_ale_del_ucast_dynamic_by_port`. Time to fire up `grep`. I'll start searching for that function name, and maybe add some relevant context-sensitive keywords if it doesn't give me what I need immediately, just to be thorough. I want to see the *entire* call chain, the arguments being passed, and the surrounding logic. That's how I'll understand what's really happening. Let's see what we've got! |
| 10/2 | 2026/09/26 08:06 | tool | grepper |
0mArgs:{
"Expression": "cpsw_ale_del_ucast_dynamic_by_port"
}Results: {
"Output": "drivers/net/ethernet/ti/am65-cpsw-switchdev.c=366=static void am65_cpsw_switchdev_event_work(struct work_struct *work)\n--\ndrivers/net/ethernet/ti/am65-cpsw-switchdev.c-405-\t\tif (!fdb-\u003eadded_by_user)\ndrivers/net/ethernet/ti/am65-cpsw-switchdev.c:406:\t\t\tcpsw_ale_del_ucast_dynamic_by_port(cpsw-\u003eale,\ndrivers/net/ethernet/ti/am65-cpsw-switchdev.c-407-\t\t\t\t\t\t\t (u8 *)fdb-\u003eaddr,\n--\ndrivers/net/ethernet/ti/cpsw_ale.c=424=static int cpsw_ale_find_ageable(struct cpsw_ale *ale)\n--\ndrivers/net/ethernet/ti/cpsw_ale.c-443-\ndrivers/net/ethernet/ti/cpsw_ale.c:444:int cpsw_ale_del_ucast_dynamic_by_port(struct cpsw_ale *ale, const u8 *addr,\ndrivers/net/ethernet/ti/cpsw_ale.c-445-\t\t\t\t int port, u16 vid)\n--\ndrivers/net/ethernet/ti/cpsw_ale.c-483-}\ndrivers/net/ethernet/ti/cpsw_ale.c:484:EXPORT_SYMBOL_GPL(cpsw_ale_del_ucast_dynamic_by_port);\ndrivers/net/ethernet/ti/cpsw_ale.c-485-\n--\ndrivers/net/ethernet/ti/cpsw_ale.h=167=int cpsw_ale_del_ucast(struct cpsw_ale *ale, const u8 *addr, int port,\ndrivers/net/ethernet/ti/cpsw_ale.h-168-\t\t int flags, u16 vid);\ndrivers/net/ethernet/ti/cpsw_ale.h:169:int cpsw_ale_del_ucast_dynamic_by_port(struct cpsw_ale *ale, const u8 *addr,\ndrivers/net/ethernet/ti/cpsw_ale.h-170-\t\t\t\t int port, u16 vid);\n"
} |
| 11/2 | 2026/09/26 08:06 | llm | patch-evaluator |
0mModel:gemini-3.8-flash Args: null Results: null Tokens: input: 23465 output: 19 thoughts: 223 Thoughts: **Investigating the `cpsw_ale_del_ucast_dynamic_by_port` Call** Okay, so I see that `cpsw_ale_del_ucast_dynamic_by_port` is exclusively called by `am65_cpsw_switchdev_event_work` within the `am65-cpsw-switchdev.c` file. That's a critical piece of information. Now, the next logical step is to confirm the context. Can the relevant configurations, specifically `TI_K3_AM65_CPSW_NUSS` or `TI_K3_AM65_CPSW_SWITCHDEV`, even be compiled on an amd64 architecture? I need to verify that this code path is even relevant to my current build environment. Let me examine the Kconfig for `TI_K3_AM65_CPSW_NUSS`. Here we go: ``` config TI_K3_AM65_CPSW_NUSS tristate "TI K3 AM654x/J721E CPSW Ethernet driver" depends on ARCH_K3 && OF && TI_K3_UDMA_GLUE_LAYER ``` Ah! Hang on... what exactly *is* `ARCH_K3`? I don't immediately recall that. I need to understand that dependency thoroughly. Time to use grep to search across the entire kernel tree for `config ARCH_K3` to see where it's defined and what its implications are. This should give me the architectural context for the code in question. |
| 12/2 | 2026/09/26 08:06 | tool | grepper |
0mArgs:{
"Expression": "config ARCH_K3"
}Results: {
"Output": "arch/arm64/Kconfig.platforms=143=config ARCH_EXYNOS\n--\narch/arm64/Kconfig.platforms-155-\narch/arm64/Kconfig.platforms:156:config ARCH_K3\narch/arm64/Kconfig.platforms-157-\tbool \"Texas Instruments Inc. K3 multicore SoC architecture\"\n"
} |
| 13/2 | 2026/09/26 08:06 | llm | patch-evaluator |
0mModel:gemini-3.8-flash Args: null Results: null Tokens: input: 24156 output: 27 thoughts: 218 Thoughts: Okay, here's my breakdown of this. **Investigating a Configuration Dependency** Alright, so `ARCH_K3` is definitely defined within `arch/arm64/Kconfig.platforms`, meaning it’s tied to ARM64 architecture, got it. Now I need to figure out if `COMPILE_TEST` can enable `TI_K3_AM65_CPSW_NUSS`. Let's dig back into `drivers/net/ethernet/ti/Kconfig` to re-examine that `TI_K3_AM65_CPSW_NUSS` configuration option. Okay, line 98... nope, no `|| COMPILE_TEST` condition there. The dependency is strictly `ARCH_K3 && OF && TI_K3_UDMA_GLUE_LAYER`. Hmm, okay, so if `COMPILE_TEST` can't directly enable it, maybe something else in that dependency chain is the key. Let's look at `TI_K3_UDMA_GLUE_LAYER` now. I need to figure out the dependencies of THAT. I'll grep for that config option and see what comes up. |
| 14/2 | 2026/09/26 08:06 | tool | grepper |
0mArgs:{
"Expression": "config TI_K3_UDMA_GLUE_LAYER"
}Results: {
"Output": "drivers/dma/ti/Kconfig=37=config TI_K3_UDMA\n--\ndrivers/dma/ti/Kconfig-50-\ndrivers/dma/ti/Kconfig:51:config TI_K3_UDMA_GLUE_LAYER\ndrivers/dma/ti/Kconfig-52-\ttristate \"Texas Instruments UDMA Glue layer for non DMAengine users\"\n"
} |
| 15/2 | 2026/09/26 08:06 | llm | patch-evaluator |
0mModel:gemini-3.8-flash Args: null Results: null Tokens: input: 24762 output: 36 thoughts: 21 Thoughts: Here's a summary of my thought process, tailored for an expert like yourself: **Diving into the DMA Driver Configuration** Okay, so I need to zero in on something related to the Texas Instruments DMA driver. My immediate thought is to check out the Kconfig file for that specific subsystem. Specifically, I'm thinking around line 51 within `drivers/dma/ti/Kconfig`. That's often a good starting point for understanding how a driver's features are enabled or disabled, and what configuration options are available. I'm assuming that the problem or the aspect I'm interested in is likely related to something controlled in that area, whether it's a specific feature, a hardware variant, or a dependency. It's a hunch, but I'll start there. |
| 16/2 | 2026/09/26 08:06 | tool | read-file |
0mArgs:{
"File": "drivers/dma/ti/Kconfig",
"FirstLine": 45,
"LineCount": 20
}Results: {
"Contents": " 45:\t\tselect TI_K3_RINGACC\n 46:\t\tselect TI_K3_PSIL\n 47:\t help\n 48:\t\t Enable support for the TI UDMA (Unified DMA) controller. This\n 49:\t\t DMA engine is used in AM65x and j721e.\n 50:\t\n 51:\tconfig TI_K3_UDMA_GLUE_LAYER\n 52:\t\ttristate \"Texas Instruments UDMA Glue layer for non DMAengine users\"\n 53:\t\tdepends on ARCH_K3 || COMPILE_TEST\n 54:\t\tdepends on TI_K3_UDMA\n 55:\t\thelp\n 56:\t\t Say y here to support the K3 NAVSS DMA glue interface\n 57:\t\t If unsure, say N.\n 58:\t\n 59:\tconfig TI_K3_PSIL\n 60:\t tristate\n 61:\t default TI_K3_UDMA\n 62:\t\n 63:\tconfig TI_DMA_CROSSBAR\n 64:\t\tbool\n"
} |
| 17/2 | 2026/09/26 08:06 | llm | patch-evaluator |
0mModel:gemini-3.8-flash Args: null Results: null Tokens: input: 25270 output: 33 thoughts: 369 Thoughts: **Analyzing the Dependencies of TI_K3_AM65_CPSW_NUSS** Okay, so `TI_K3_AM65_CPSW_NUSS` has a strict dependency on `ARCH_K3`, `OF`, and `TI_K3_UDMA_GLUE_LAYER`. That seems straightforward enough, but I always like to dig deeper. I need to understand if `cpsw_ale.c` is being compiled into anything else besides this specific configuration. My experience tells me there might be some overlap or alternative configurations that could affect this, so let's check the relevant `Makefile` in `drivers/net/ethernet/ti/`. Right, let's see... looking at the `Makefile`, I see that `cpsw_ale.o` is indeed included in the object lists for `CONFIG_TI_CPSW`, `CONFIG_TI_CPSW_SWITCHDEV`, `CONFIG_TI_KEYSTONE_NETCP`, and `CONFIG_TI_KEYSTONE_NETCP_ETHSS`, *as well as* the target I'm currently focused on: `CONFIG_TI_K3_AM65_CPSW_NUSS`. So, it's not exclusively tied to `TI_K3_AM65_CPSW_NUSS`. This is important. The fact that `cpsw_ale.c` is used by other configurations makes me think that perhaps `CONFIG_TI_CPSW` or `CONFIG_TI_CPSW_SWITCHDEV` could be enabled along with or instead of `CONFIG_TI_K3_AM65_CPSW_NUSS`, which could influence the build or the runtime behavior. I need to understand how these different configurations relate. I should check how these other configurations interact with each other in the `Kconfig` files and how they influence the build, especially since they're all using `cpsw_ale.o`. I should check the `CONFIG_TI_CPSW` and `CONFIG_TI_CPSW_SWITCHDEV` and `CONFIG_TI_KEYSTONE_NETCP` definitions in `Kconfig` for potential dependencies, exclusions, or implications on the system's overall networking setup. It's time to dive into the `Kconfig`! |
| 18/2 | 2026/09/26 08:07 | tool | grepper |
0mArgs:{
"Expression": "config TI_CPSW",
"PathPrefix": "drivers/net/ethernet/ti"
}Results: {
"Output": "drivers/net/ethernet/ti/Kconfig=32=config TI_DAVINCI_MDIO\n--\ndrivers/net/ethernet/ti/Kconfig-42-\ndrivers/net/ethernet/ti/Kconfig:43:config TI_CPSW_PHY_SEL\ndrivers/net/ethernet/ti/Kconfig-44-\tbool \"TI CPSW Phy mode Selection (DEPRECATED)\"\n--\ndrivers/net/ethernet/ti/Kconfig-49-\ndrivers/net/ethernet/ti/Kconfig:50:config TI_CPSW\ndrivers/net/ethernet/ti/Kconfig-51-\ttristate \"TI CPSW Switch Support\"\n--\ndrivers/net/ethernet/ti/Kconfig-64-\ndrivers/net/ethernet/ti/Kconfig:65:config TI_CPSW_SWITCHDEV\ndrivers/net/ethernet/ti/Kconfig-66-\ttristate \"TI CPSW Switch Support with switchdev\"\n"
} |
| 19/2 | 2026/09/26 08:07 | llm | patch-evaluator |
0mModel:gemini-3.8-flash Args: null Results: null Tokens: input: 26405 output: 38 thoughts: 26 Thoughts: Here's a first-person summary, tailored for an expert audience, of the thought process described: **Examining ti/Kconfig for Ethernet Driver Configuration** Okay, time to dig into the `drivers/net/ethernet/ti/Kconfig` file, specifically around lines 50 to 80. I need to get a clear picture of how this Ethernet driver is configured. I know this particular area usually covers the fundamental options – the core capabilities we enable or disable at build time. Things like the basic PHY support, perhaps some essential hardware feature toggles, or maybe even some initial MII/RMII selection parameters. I'll need to see which specific options are presented to the user. I'm looking for the essential knobs that control the core operation of this driver. |
| 20/2 | 2026/09/26 08:07 | tool | read-file |
0mArgs:{
"File": "drivers/net/ethernet/ti/Kconfig",
"FirstLine": 48,
"LineCount": 40
}Results: {
"Contents": " 48:\t\t the CPSW. DEPRECATED: use PHY_TI_GMII_SEL.\n 49:\t\n 50:\tconfig TI_CPSW\n 51:\t\ttristate \"TI CPSW Switch Support\"\n 52:\t\tdepends on ARCH_DAVINCI || ARCH_OMAP2PLUS || COMPILE_TEST\n 53:\t\tdepends on TI_CPTS || !TI_CPTS\n 54:\t\tselect TI_DAVINCI_MDIO\n 55:\t\tselect MFD_SYSCON\n 56:\t\tselect PAGE_POOL\n 57:\t\tselect REGMAP\n 58:\t\timply PHY_TI_GMII_SEL\n 59:\t\thelp\n 60:\t\t This driver supports TI's CPSW Ethernet Switch.\n 61:\t\n 62:\t\t To compile this driver as a module, choose M here: the module\n 63:\t\t will be called cpsw.\n 64:\t\n 65:\tconfig TI_CPSW_SWITCHDEV\n 66:\t\ttristate \"TI CPSW Switch Support with switchdev\"\n 67:\t\tdepends on ARCH_DAVINCI || ARCH_OMAP2PLUS || COMPILE_TEST\n 68:\t\tdepends on NET_SWITCHDEV\n 69:\t\tdepends on TI_CPTS || !TI_CPTS\n 70:\t\tselect PAGE_POOL\n 71:\t\tselect TI_DAVINCI_MDIO\n 72:\t\tselect MFD_SYSCON\n 73:\t\tselect REGMAP\n 74:\t\tselect NET_DEVLINK\n 75:\t\timply PHY_TI_GMII_SEL\n 76:\t\thelp\n 77:\t\t This driver supports TI's CPSW Ethernet Switch.\n 78:\t\n 79:\t\t To compile this driver as a module, choose M here: the module\n 80:\t\t will be called cpsw_new.\n 81:\t\n 82:\tconfig TI_CPTS\n 83:\t\ttristate \"TI Common Platform Time Sync (CPTS) Support\"\n 84:\t\tdepends on ARCH_OMAP2PLUS || ARCH_KEYSTONE || COMPILE_TEST\n 85:\t\tdepends on COMMON_CLK\n 86:\t\tdepends on PTP_1588_CLOCK\n 87:\t\thelp\n"
} |
| 21/2 | 2026/09/26 08:07 | llm | patch-evaluator |
0mModel:gemini-3.8-flash Args: null Results: null Tokens: input: 27209 output: 33 thoughts: 102 Thoughts: **Investigating the CPSW Driver Integration** Okay, hold on a second! Just because I can get `TI_CPSW` or `TI_CPSW_SWITCHDEV` to compile-test on amd64 doesn't mean a thing about their actual nature. Are these hardware drivers, or are they virtual devices, masquerading as something real? That's the critical question I need to answer. Alright, let's dig into how the CPSW devices are actually probed by the system. I need to understand this to determine their true role. Are we talking about platform devices here? That's the key architectural piece I'm looking for. Right, time to get my hands dirty. I'm going to start by scrutinizing `cpsw.c`, `cpsw_new.c`, and `am65-cpsw-nuss.c`. I need to track down any instances of `module_platform_driver` or direct probe functions within those files. That should give me the crucial insight I need. Understanding how the driver interacts with the hardware (or virtual environment) will give me the answer. |
| 22/2 | 2026/09/26 08:07 | tool | grepper |
0mArgs:{
"Expression": "module_platform_driver",
"PathPrefix": "drivers/net/ethernet/ti"
}Results: {
"Output": "drivers/net/ethernet/ti/am65-cpsw-nuss.c=3812=static struct platform_driver am65_cpsw_nuss_driver = {\n--\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c-3821-\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c:3822:module_platform_driver(am65_cpsw_nuss_driver);\ndrivers/net/ethernet/ti/am65-cpsw-nuss.c-3823-\n--\ndrivers/net/ethernet/ti/am65-cpts.c=1339=static struct platform_driver am65_cpts_driver = {\n--\ndrivers/net/ethernet/ti/am65-cpts.c-1345-};\ndrivers/net/ethernet/ti/am65-cpts.c:1346:module_platform_driver(am65_cpts_driver);\ndrivers/net/ethernet/ti/am65-cpts.c-1347-\n--\ndrivers/net/ethernet/ti/cpsw.c=1858=static struct platform_driver cpsw_driver = {\n--\ndrivers/net/ethernet/ti/cpsw.c-1867-\ndrivers/net/ethernet/ti/cpsw.c:1868:module_platform_driver(cpsw_driver);\ndrivers/net/ethernet/ti/cpsw.c-1869-\n--\ndrivers/net/ethernet/ti/cpsw_new.c=2156=static struct platform_driver cpsw_driver = {\n--\ndrivers/net/ethernet/ti/cpsw_new.c-2165-\ndrivers/net/ethernet/ti/cpsw_new.c:2166:module_platform_driver(cpsw_driver);\ndrivers/net/ethernet/ti/cpsw_new.c-2167-\n--\ndrivers/net/ethernet/ti/icssg/icss_iep.c=1095=static struct platform_driver icss_iep_driver = {\n--\ndrivers/net/ethernet/ti/icssg/icss_iep.c-1101-};\ndrivers/net/ethernet/ti/icssg/icss_iep.c:1102:module_platform_driver(icss_iep_driver);\ndrivers/net/ethernet/ti/icssg/icss_iep.c-1103-\n--\ndrivers/net/ethernet/ti/icssg/icssg_prueth.c=2576=static struct platform_driver prueth_driver = {\n--\ndrivers/net/ethernet/ti/icssg/icssg_prueth.c-2584-};\ndrivers/net/ethernet/ti/icssg/icssg_prueth.c:2585:module_platform_driver(prueth_driver);\ndrivers/net/ethernet/ti/icssg/icssg_prueth.c-2586-\n--\ndrivers/net/ethernet/ti/icssg/icssg_prueth_sr1.c=1228=static struct platform_driver prueth_driver = {\n--\ndrivers/net/ethernet/ti/icssg/icssg_prueth_sr1.c-1236-};\ndrivers/net/ethernet/ti/icssg/icssg_prueth_sr1.c:1237:module_platform_driver(prueth_driver);\ndrivers/net/ethernet/ti/icssg/icssg_prueth_sr1.c-1238-\n--\ndrivers/net/ethernet/ti/icssm/icssm_prueth.c=2236=static struct platform_driver prueth_driver = {\n--\ndrivers/net/ethernet/ti/icssm/icssm_prueth.c-2244-};\ndrivers/net/ethernet/ti/icssm/icssm_prueth.c:2245:module_platform_driver(prueth_driver);\ndrivers/net/ethernet/ti/icssm/icssm_prueth.c-2246-\n--\ndrivers/net/ethernet/ti/netcp_core.c=2325=static struct platform_driver netcp_driver = {\n--\ndrivers/net/ethernet/ti/netcp_core.c-2332-};\ndrivers/net/ethernet/ti/netcp_core.c:2333:module_platform_driver(netcp_driver);\ndrivers/net/ethernet/ti/netcp_core.c-2334-\n"
} |
| 23/2 | 2026/09/26 08:07 | llm | patch-evaluator |
0mModel:gemini-3.8-flash Args: null Results: null Tokens: input: 28784 output: 24 thoughts: 1515 Thoughts: **Analysis of Patch Reachability** Okay, let's break this down systematically. My initial thought is to assess the reachability of the code modifications, given that the target architecture is amd64. First, the patch modifies `drivers/net/ethernet/ti/am65-cpsw-switchdev.c` and introduces a new function `cpsw_ale_del_ucast_dynamic_by_port` in `drivers/net/ethernet/ti/cpsw_ale.c`. The core change in `am65-cpsw-switchdev.c` is related to handling `SWITCHDEV_FDB_DEL_TO_DEVICE` events, specifically removing entries from the FDB based on user addition status. I have identified that the logic related to deleting FDB entries via `cpsw_ale_del_ucast_dynamic_by_port` is gated by `!fdb->added_by_user`. The function `cpsw_ale_del_ucast_dynamic_by_port` itself is only ever called from within `am65_cpsw_switchdev_event_work` in `am65-cpsw-switchdev.c`. A closer look reveals that `am65-cpsw-switchdev.c` is only compiled when `CONFIG_TI_K3_AM65_CPSW_SWITCHDEV` is enabled, and this configuration depends on both `TI_K3_AM65_CPSW_NUSS` and `NET_SWITCHDEV`. The crucial dependency here is `TI_K3_AM65_CPSW_NUSS`, which, in turn, depends on `ARCH_K3` and `TI_K3_UDMA_GLUE_LAYER`. Here's the critical point: `ARCH_K3` is a specific architecture configuration for Texas Instruments' K3 multicore SoCs (like AM654x and J721E) and it's defined as a boolean *only* for ARM64. **Crucially, `ARCH_K3` does not exist, and cannot be enabled, on amd64**. Therefore, the modified code in `am65-cpsw-switchdev.c` and the helper function introduced are structurally unreachable on the amd64 architecture specified in the prompt. Even on ARM64, this code is specific to a TI K3 platform with very specific hardware components which are not emulated in standard environments. The changes are dependent on TI's K3 SoC-specific hardware, device tree nodes, and UDMA controller. Furthermore, the code modifications include changes to the definition of a macro `DEFINE_ALE_FIELD1` which simply adds a get function. This change is also part of the code paths exclusive to the TI K3 architecture. Given that the target architecture is amd64, all of the modified code is strictly unreachable based on the guidelines provided. Therefore, I would return `WorthFuzzing=false`. |
| 24/2 | 2026/09/26 08:07 | tool | grepper |
0mArgs:{
"Expression": "cpsw_ale_get_port_num"
}Results: {
"Output": "drivers/net/ethernet/ti/cpsw_ale.c=444=int cpsw_ale_del_ucast_dynamic_by_port(struct cpsw_ale *ale, const u8 *addr,\n--\ndrivers/net/ethernet/ti/cpsw_ale.c-463-\t\t\tcontinue;\ndrivers/net/ethernet/ti/cpsw_ale.c:464:\t\tif (cpsw_ale_get_port_num(ale_entry, ale-\u003eport_num_bits) != port)\ndrivers/net/ethernet/ti/cpsw_ale.c-465-\t\t\tcontinue;\n"
} |
| 25/2 | 2026/09/26 08:07 | llm | patch-evaluator |
0mModel:gemini-3.8-flash Args: null Results: null Tokens: input: 31132 output: 183 thoughts: 246 Thoughts: **My Analysis of the Code Modification** Okay, so I've traced the call path of `cpsw_ale_get_port_num`. It's only used within `cpsw_ale_del_ucast_dynamic_by_port`, and that function is only ever called in `am65-cpsw-switchdev.c`. Given that, the modified code is essentially unreachable. Now, let's break down why. On amd64, which is the architecture I'm running on, `CONFIG_TI_K3_AM65_CPSW_NUSS` *cannot* even be enabled. It's dependent on `ARCH_K3`, which is specific to ARM64 platforms. Furthermore, the AM65 CPSW driver is a SoC platform driver designed for Texas Instruments K3 SoCs. These require physical hardware and are not typically found in standard virtual machines. Therefore, the code, as modified, is structurally inaccessible in any meaningful context I'm likely to encounter. This means that, based on my understanding of the system's architecture and configuration, `WorthFuzzing` has to be false. Let's quickly check my `set-results` parameters to make sure they're consistent. `WorthFuzzing`: false, yes. `Reasoning`: Concise explanation of the verdict, covered. `FocusSymbols`: [] - empty as expected. `EnableConfigs`: [] - also empty. Alright, everything looks correct. I'll proceed with calling `set-results`. |
| 26/2 | 2026/09/26 08:07 | tool | set-results |
0mArgs:{
"EnableConfigs": [],
"FocusSymbols": [],
"Reasoning": "The changes modify the Texas Instruments AM65x CPSW Ethernet driver (am65-cpsw-switchdev.c) and add a helper function to the CPSW ALE driver (cpsw_ale.c). The modified code is gated by CONFIG_TI_K3_AM65_CPSW_SWITCHDEV and CONFIG_TI_K3_AM65_CPSW_NUSS, which depend on ARCH_K3 (an ARM64-exclusive platform architecture) and cannot be enabled on the target amd64 architecture. Furthermore, the driver targets physical TI K3 SoC hardware that is not emulated in standard QEMU or GCE virtualized environments, making the code structurally unreachable for fuzzing.",
"WorthFuzzing": false
}Results: {
"EnableConfigs": null,
"FocusSymbols": [],
"Reasoning": "The changes modify the Texas Instruments AM65x CPSW Ethernet driver (am65-cpsw-switchdev.c) and add a helper function to the CPSW ALE driver (cpsw_ale.c). The modified code is gated by CONFIG_TI_K3_AM65_CPSW_SWITCHDEV and CONFIG_TI_K3_AM65_CPSW_NUSS, which depend on ARCH_K3 (an ARM64-exclusive platform architecture) and cannot be enabled on the target amd64 architecture. Furthermore, the driver targets physical TI K3 SoC hardware that is not emulated in standard QEMU or GCE virtualized environments, making the code structurally unreachable for fuzzing.",
"WorthFuzzing": false
} |
| 27/1 | 2026/09/26 08:07 | action | If |
0mArgs:{
"WorthFuzzing": false
}Results: null |
| Total Calls | Total Tokens | Avg Tokens | Total Duration (Seconds) | Avg Duration (Seconds) |
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| Total Calls | Total Duration (Seconds) | Avg Duration (Seconds) |
|---|