From d59daf6a4ceedf342f349e94f1300e1598213252 Mon Sep 17 00:00:00 2001 From: Jian Shen Date: Sat, 26 Jun 2021 09:00:17 +0800 Subject: [PATCH] net: hns3: add support for dumping MAC umv counter in debugfs This patch adds support of dumping MAC umv counter in debugfs, which will be helpful for debugging. The display style is below: $ cat umv_info num_alloc_vport : 2 max_umv_size : 256 wanted_umv_size : 256 priv_umv_size : 85 share_umv_size : 86 vport(0) used_umv_num : 1 vport(1) used_umv_num : 1 Signed-off-by: Jian Shen Signed-off-by: Guangbin Huang Signed-off-by: David S. Miller --- drivers/net/ethernet/hisilicon/hns3/hnae3.h | 1 + drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c | 7 +++++ .../ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.c | 34 ++++++++++++++++++++++ 3 files changed, 42 insertions(+) diff --git a/drivers/net/ethernet/hisilicon/hns3/hnae3.h b/drivers/net/ethernet/hisilicon/hns3/hnae3.h index a6ef67e..e0b7c3c 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hnae3.h +++ b/drivers/net/ethernet/hisilicon/hns3/hnae3.h @@ -293,6 +293,7 @@ enum hnae3_dbg_cmd { HNAE3_DBG_CMD_FD_COUNTER, HNAE3_DBG_CMD_MAC_TNL_STATUS, HNAE3_DBG_CMD_SERV_INFO, + HNAE3_DBG_CMD_UMV_INFO, HNAE3_DBG_CMD_UNKNOWN, }; diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c b/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c index b72fdb9..5325230 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c @@ -330,6 +330,13 @@ static struct hns3_dbg_cmd_info hns3_dbg_cmd[] = { .buf_len = HNS3_DBG_READ_LEN, .init = hns3_dbg_common_file_init, }, + { + .name = "umv_info", + .cmd = HNAE3_DBG_CMD_UMV_INFO, + .dentry = HNS3_DBG_DENTRY_COMMON, + .buf_len = HNS3_DBG_READ_LEN, + .init = hns3_dbg_common_file_init, + }, }; static struct hns3_dbg_cap_info hns3_dbg_cap[] = { diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.c index b69c54d..2887881 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.c @@ -1927,6 +1927,36 @@ static void hclge_dbg_dump_mac_list(struct hclge_dev *hdev, char *buf, int len, } } +static int hclge_dbg_dump_umv_info(struct hclge_dev *hdev, char *buf, int len) +{ + u8 func_num = pci_num_vf(hdev->pdev) + 1; + struct hclge_vport *vport; + int pos = 0; + u8 i; + + pos += scnprintf(buf, len, "num_alloc_vport : %u\n", + hdev->num_alloc_vport); + pos += scnprintf(buf + pos, len - pos, "max_umv_size : %u\n", + hdev->max_umv_size); + pos += scnprintf(buf + pos, len - pos, "wanted_umv_size : %u\n", + hdev->wanted_umv_size); + pos += scnprintf(buf + pos, len - pos, "priv_umv_size : %u\n", + hdev->priv_umv_size); + + mutex_lock(&hdev->vport_lock); + pos += scnprintf(buf + pos, len - pos, "share_umv_size : %u\n", + hdev->share_umv_size); + for (i = 0; i < func_num; i++) { + vport = &hdev->vport[i]; + pos += scnprintf(buf + pos, len - pos, + "vport(%u) used_umv_num : %u\n", + i, vport->used_umv_num); + } + mutex_unlock(&hdev->vport_lock); + + return 0; +} + static int hclge_get_vlan_rx_offload_cfg(struct hclge_dev *hdev, u8 vf_id, struct hclge_dbg_vlan_cfg *vlan_cfg) { @@ -2412,6 +2442,10 @@ static const struct hclge_dbg_func hclge_dbg_cmd_func[] = { .cmd = HNAE3_DBG_CMD_FD_COUNTER, .dbg_dump = hclge_dbg_dump_fd_counter, }, + { + .cmd = HNAE3_DBG_CMD_UMV_INFO, + .dbg_dump = hclge_dbg_dump_umv_info, + }, }; int hclge_dbg_read_cmd(struct hnae3_handle *handle, enum hnae3_dbg_cmd cmd, -- 2.7.4