Added basic network interface statistics. Co-developed-by: Honggang Wei Signed-off-by: Honggang Wei Co-developed-by: Lei Yan Signed-off-by: Lei Yan Signed-off-by: Xin Tian --- .../net/ethernet/yunsilicon/xsc/net/Makefile | 2 +- .../net/ethernet/yunsilicon/xsc/net/main.c | 31 ++++++++++++- .../net/ethernet/yunsilicon/xsc/net/xsc_eth.h | 3 ++ .../ethernet/yunsilicon/xsc/net/xsc_eth_rx.c | 4 ++ .../yunsilicon/xsc/net/xsc_eth_stats.c | 46 +++++++++++++++++++ .../yunsilicon/xsc/net/xsc_eth_stats.h | 34 ++++++++++++++ .../ethernet/yunsilicon/xsc/net/xsc_eth_tx.c | 5 ++ .../ethernet/yunsilicon/xsc/net/xsc_queue.h | 2 + 8 files changed, 124 insertions(+), 3 deletions(-) create mode 100644 drivers/net/ethernet/yunsilicon/xsc/net/xsc_eth_stats.c create mode 100644 drivers/net/ethernet/yunsilicon/xsc/net/xsc_eth_stats.h diff --git a/drivers/net/ethernet/yunsilicon/xsc/net/Makefile b/drivers/net/ethernet/yunsilicon/xsc/net/Makefile index 7cfc2aaa2..e1cfa3cdf 100644 --- a/drivers/net/ethernet/yunsilicon/xsc/net/Makefile +++ b/drivers/net/ethernet/yunsilicon/xsc/net/Makefile @@ -6,4 +6,4 @@ ccflags-y += -I$(srctree)/drivers/net/ethernet/yunsilicon/xsc obj-$(CONFIG_YUNSILICON_XSC_ETH) += xsc_eth.o -xsc_eth-y := main.o xsc_eth_wq.o xsc_eth_txrx.o xsc_eth_tx.o xsc_eth_rx.o +xsc_eth-y := main.o xsc_eth_wq.o xsc_eth_txrx.o xsc_eth_tx.o xsc_eth_rx.o xsc_eth_stats.o diff --git a/drivers/net/ethernet/yunsilicon/xsc/net/main.c b/drivers/net/ethernet/yunsilicon/xsc/net/main.c index 3341d3cf1..35dce2ecd 100644 --- a/drivers/net/ethernet/yunsilicon/xsc/net/main.c +++ b/drivers/net/ethernet/yunsilicon/xsc/net/main.c @@ -559,15 +559,20 @@ static int xsc_eth_open_qp_sq(struct xsc_channel *c, u8 ele_log_size = psq_param->sq_attr.ele_log_size; u8 q_log_size = psq_param->sq_attr.q_log_size; struct xsc_modify_raw_qp_mbox_in *modify_in; + struct xsc_channel_stats *channel_stats; struct xsc_create_qp_mbox_in *in; struct xsc_core_device *xdev; struct xsc_adapter *adapter; + struct xsc_stats *stats; unsigned int hw_npages; int inlen; int ret; adapter = c->adapter; xdev = adapter->xdev; + stats = adapter->stats; + channel_stats = &stats->channel_stats[c->chl_idx]; + psq->stats = &channel_stats->sq[sq_idx]; psq_param->wq.db_numa_node = cpu_to_node(c->cpu); ret = xsc_eth_wq_cyc_create(xdev, &psq_param->wq, @@ -868,11 +873,16 @@ static int xsc_eth_alloc_rq(struct xsc_channel *c, u8 q_log_size = prq_param->rq_attr.q_log_size; struct page_pool_params pagepool_params = {0}; struct xsc_adapter *adapter = c->adapter; + struct xsc_channel_stats *channel_stats; u32 pool_size = 1 << q_log_size; + struct xsc_stats *stats; int ret = 0; u32 wq_sz; int i, f; + stats = c->adapter->stats; + channel_stats = &stats->channel_stats[c->chl_idx]; + prq->stats = &channel_stats->rq; prq_param->wq.db_numa_node = cpu_to_node(c->cpu); ret = xsc_eth_wq_cyc_create(c->adapter->xdev, &prq_param->wq, @@ -1653,6 +1663,14 @@ static int xsc_eth_close(struct net_device *netdev) return ret; } +static void xsc_eth_get_stats(struct net_device *netdev, + struct rtnl_link_stats64 *stats) +{ + struct xsc_adapter *adapter = netdev_priv(netdev); + + xsc_eth_fold_sw_stats64(adapter, stats); +} + static int xsc_eth_set_hw_mtu(struct xsc_core_device *xdev, u16 mtu, u16 rx_buf_sz) { @@ -1684,6 +1702,7 @@ static const struct net_device_ops xsc_netdev_ops = { .ndo_open = xsc_eth_open, .ndo_stop = xsc_eth_close, .ndo_start_xmit = xsc_eth_xmit_start, + .ndo_get_stats64 = xsc_eth_get_stats, }; static void xsc_eth_build_nic_netdev(struct xsc_adapter *adapter) @@ -1897,14 +1916,22 @@ static int xsc_eth_probe(struct auxiliary_device *adev, goto err_nic_cleanup; } + adapter->stats = kvzalloc(sizeof(*adapter->stats), GFP_KERNEL); + if (!adapter->stats) { + err = -ENOMEM; + goto err_detach; + } + err = register_netdev(netdev); if (err) { netdev_err(netdev, "register_netdev failed, err=%d\n", err); - goto err_detach; + goto err_free_stats; } return 0; +err_free_stats: + kvfree(adapter->stats); err_detach: xsc_eth_detach(xdev, adapter); err_nic_cleanup: @@ -1929,7 +1956,7 @@ static void xsc_eth_remove(struct auxiliary_device *adev) return; unregister_netdev(adapter->netdev); - + kvfree(adapter->stats); free_netdev(adapter->netdev); xdev->eth_priv = NULL; diff --git a/drivers/net/ethernet/yunsilicon/xsc/net/xsc_eth.h b/drivers/net/ethernet/yunsilicon/xsc/net/xsc_eth.h index 61354b892..5c46d8050 100644 --- a/drivers/net/ethernet/yunsilicon/xsc/net/xsc_eth.h +++ b/drivers/net/ethernet/yunsilicon/xsc/net/xsc_eth.h @@ -10,6 +10,7 @@ #include "common/xsc_device.h" #include "xsc_eth_common.h" +#include "xsc_eth_stats.h" #define XSC_INVALID_LKEY 0x100 @@ -47,6 +48,8 @@ struct xsc_adapter { u32 status; struct mutex status_lock; /*protect status */ + + struct xsc_stats *stats; }; static inline struct net_device *xsc_dev_to_netdev(struct xsc_core_device *xdev) diff --git a/drivers/net/ethernet/yunsilicon/xsc/net/xsc_eth_rx.c b/drivers/net/ethernet/yunsilicon/xsc/net/xsc_eth_rx.c index 212e55d78..fa8e644e0 100644 --- a/drivers/net/ethernet/yunsilicon/xsc/net/xsc_eth_rx.c +++ b/drivers/net/ethernet/yunsilicon/xsc/net/xsc_eth_rx.c @@ -155,6 +155,10 @@ static void xsc_complete_rx_cqe(struct xsc_rq *rq, struct sk_buff *skb, struct xsc_wqe_frag_info *wi) { + struct xsc_rq_stats *stats = rq->stats; + + stats->packets++; + stats->bytes += cqe_bcnt; xsc_build_rx_skb(cqe, cqe_bcnt, rq, skb, wi); } diff --git a/drivers/net/ethernet/yunsilicon/xsc/net/xsc_eth_stats.c b/drivers/net/ethernet/yunsilicon/xsc/net/xsc_eth_stats.c new file mode 100644 index 000000000..38bab39b9 --- /dev/null +++ b/drivers/net/ethernet/yunsilicon/xsc/net/xsc_eth_stats.c @@ -0,0 +1,46 @@ +// SPDX-License-Identifier: GPL-2.0 +/* Copyright (C) 2021-2025, Shanghai Yunsilicon Technology Co., Ltd. + * All rights reserved. + */ + +#include "xsc_eth_stats.h" +#include "xsc_eth.h" + +static int xsc_get_netdev_max_channels(struct xsc_adapter *adapter) +{ + struct net_device *netdev = adapter->netdev; + + return min_t(unsigned int, netdev->num_rx_queues, + netdev->num_tx_queues); +} + +static int xsc_get_netdev_max_tc(struct xsc_adapter *adapter) +{ + return adapter->nic_param.num_tc; +} + +void xsc_eth_fold_sw_stats64(struct xsc_adapter *adapter, + struct rtnl_link_stats64 *s) +{ + int i, j; + + for (i = 0; i < xsc_get_netdev_max_channels(adapter); i++) { + struct xsc_channel_stats *channel_stats; + struct xsc_rq_stats *rq_stats; + + channel_stats = &adapter->stats->channel_stats[i]; + rq_stats = &channel_stats->rq; + + s->rx_packets += rq_stats->packets; + s->rx_bytes += rq_stats->bytes; + + for (j = 0; j < xsc_get_netdev_max_tc(adapter); j++) { + struct xsc_sq_stats *sq_stats = &channel_stats->sq[j]; + + s->tx_packets += sq_stats->packets; + s->tx_bytes += sq_stats->bytes; + s->tx_dropped += sq_stats->dropped; + } + } +} + diff --git a/drivers/net/ethernet/yunsilicon/xsc/net/xsc_eth_stats.h b/drivers/net/ethernet/yunsilicon/xsc/net/xsc_eth_stats.h new file mode 100644 index 000000000..1828f4608 --- /dev/null +++ b/drivers/net/ethernet/yunsilicon/xsc/net/xsc_eth_stats.h @@ -0,0 +1,34 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* Copyright (C) 2021-2025, Shanghai Yunsilicon Technology Co., Ltd. + * All rights reserved. + */ + +#ifndef __XSC_EN_STATS_H +#define __XSC_EN_STATS_H + +#include "xsc_eth_common.h" + +struct xsc_rq_stats { + u64 packets; + u64 bytes; +}; + +struct xsc_sq_stats { + u64 packets; + u64 bytes; + u64 dropped; +}; + +struct xsc_channel_stats { + struct xsc_sq_stats sq[XSC_MAX_NUM_TC]; + struct xsc_rq_stats rq; +} ____cacheline_aligned_in_smp; + +struct xsc_stats { + struct xsc_channel_stats channel_stats[XSC_ETH_MAX_NUM_CHANNELS]; +}; + +void xsc_eth_fold_sw_stats64(struct xsc_adapter *adapter, + struct rtnl_link_stats64 *s); + +#endif /* XSC_EN_STATS_H */ diff --git a/drivers/net/ethernet/yunsilicon/xsc/net/xsc_eth_tx.c b/drivers/net/ethernet/yunsilicon/xsc/net/xsc_eth_tx.c index 1237433b1..ddfc3702f 100644 --- a/drivers/net/ethernet/yunsilicon/xsc/net/xsc_eth_tx.c +++ b/drivers/net/ethernet/yunsilicon/xsc/net/xsc_eth_tx.c @@ -221,6 +221,7 @@ static uint32_t xsc_eth_xmit_frame(struct sk_buff *skb, u16 pi) { struct xsc_core_device *xdev = sq->cq.xdev; + struct xsc_sq_stats *stats = sq->stats; struct xsc_send_wqe_ctrl_seg *cseg; struct xsc_wqe_data_seg *dseg; struct xsc_tx_wqe_info *wi; @@ -242,11 +243,13 @@ static uint32_t xsc_eth_xmit_frame(struct sk_buff *skb, ihs = xsc_tx_get_gso_ihs(sq, skb); num_bytes = skb->len + (skb_shinfo(skb)->gso_segs - 1) * ihs; + stats->packets += skb_shinfo(skb)->gso_segs; } else { opcode = XSC_OPCODE_RAW; mss = 0; ihs = 0; num_bytes = skb->len; + stats->packets++; } /*linear data in skb*/ @@ -284,10 +287,12 @@ static uint32_t xsc_eth_xmit_frame(struct sk_buff *skb, xsc_txwqe_complete(sq, skb, opcode, ds_cnt, num_wqebbs, num_bytes, num_dma, wi); + stats->bytes += num_bytes; return NETDEV_TX_OK; err_drop: + stats->dropped++; dev_kfree_skb_any(skb); return NETDEV_TX_OK; diff --git a/drivers/net/ethernet/yunsilicon/xsc/net/xsc_queue.h b/drivers/net/ethernet/yunsilicon/xsc/net/xsc_queue.h index 4601eec3b..d063398ed 100644 --- a/drivers/net/ethernet/yunsilicon/xsc/net/xsc_queue.h +++ b/drivers/net/ethernet/yunsilicon/xsc/net/xsc_queue.h @@ -124,6 +124,7 @@ struct xsc_rq { unsigned long state; struct work_struct recover_work; + struct xsc_rq_stats *stats; u32 hw_mtu; u32 frags_sz; @@ -171,6 +172,7 @@ struct xsc_sq { /* read only */ struct xsc_wq_cyc wq; u32 dma_fifo_mask; + struct xsc_sq_stats *stats; struct { struct xsc_sq_dma *dma_fifo; struct xsc_tx_wqe_info *wqe_info; -- 2.43.0