diff options
author | Peng Li <lipeng321@huawei.com> | 2018-03-10 11:29:27 +0800 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2018-03-11 22:53:32 -0400 |
commit | 64fd2300fcc15f5660e72754c2207d25cb6a0cba (patch) | |
tree | 92fd3e733064c3f72dae307b0c28bf058f328580 /drivers | |
parent | f8d291f00bb33c97b8c9dd643277d6300d05559d (diff) | |
download | linux-64fd2300fcc15f5660e72754c2207d25cb6a0cba.tar.bz2 |
net: hns3: add support for querying pfc puase packets statistic
This patch add support for querying pfc puase packets statistic
in hclge_ieee_getpfc, which is used to tell user how many pfc
puase packets have been sent and received by this mac port.
Signed-off-by: Yunsheng Lin <linyunsheng@huawei.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_dcb.c | 14 | ||||
-rw-r--r-- | drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.c | 53 | ||||
-rw-r--r-- | drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.h | 6 |
3 files changed, 73 insertions, 0 deletions
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_dcb.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_dcb.c index 407cfabe6d21..955f0e3d5c95 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_dcb.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_dcb.c @@ -205,9 +205,11 @@ static int hclge_ieee_setets(struct hnae3_handle *h, struct ieee_ets *ets) static int hclge_ieee_getpfc(struct hnae3_handle *h, struct ieee_pfc *pfc) { + u64 requests[HNAE3_MAX_TC], indications[HNAE3_MAX_TC]; struct hclge_vport *vport = hclge_get_vport(h); struct hclge_dev *hdev = vport->back; u8 i, j, pfc_map, *prio_tc; + int ret; memset(pfc, 0, sizeof(*pfc)); pfc->pfc_cap = hdev->pfc_max; @@ -222,6 +224,18 @@ static int hclge_ieee_getpfc(struct hnae3_handle *h, struct ieee_pfc *pfc) } } + ret = hclge_pfc_tx_stats_get(hdev, requests); + if (ret) + return ret; + + ret = hclge_pfc_rx_stats_get(hdev, indications); + if (ret) + return ret; + + for (i = 0; i < HCLGE_MAX_TC_NUM; i++) { + pfc->requests[i] = requests[i]; + pfc->indications[i] = indications[i]; + } return 0; } diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.c index 4134a829c894..885f25cd7be4 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.c @@ -23,6 +23,9 @@ enum hclge_shaper_level { HCLGE_SHAPER_LVL_PF = 1, }; +#define HCLGE_TM_PFC_PKT_GET_CMD_NUM 3 +#define HCLGE_TM_PFC_NUM_GET_PER_CMD 3 + #define HCLGE_SHAPER_BS_U_DEF 5 #define HCLGE_SHAPER_BS_S_DEF 20 @@ -112,6 +115,56 @@ static int hclge_shaper_para_calc(u32 ir, u8 shaper_level, return 0; } +static int hclge_pfc_stats_get(struct hclge_dev *hdev, + enum hclge_opcode_type opcode, u64 *stats) +{ + struct hclge_desc desc[HCLGE_TM_PFC_PKT_GET_CMD_NUM]; + int ret, i, j; + + if (!(opcode == HCLGE_OPC_QUERY_PFC_RX_PKT_CNT || + opcode == HCLGE_OPC_QUERY_PFC_TX_PKT_CNT)) + return -EINVAL; + + for (i = 0; i < HCLGE_TM_PFC_PKT_GET_CMD_NUM; i++) { + hclge_cmd_setup_basic_desc(&desc[i], opcode, true); + if (i != (HCLGE_TM_PFC_PKT_GET_CMD_NUM - 1)) + desc[i].flag |= cpu_to_le16(HCLGE_CMD_FLAG_NEXT); + else + desc[i].flag &= ~cpu_to_le16(HCLGE_CMD_FLAG_NEXT); + } + + ret = hclge_cmd_send(&hdev->hw, desc, HCLGE_TM_PFC_PKT_GET_CMD_NUM); + if (ret) { + dev_err(&hdev->pdev->dev, + "Get pfc pause stats fail, ret = %d.\n", ret); + return ret; + } + + for (i = 0; i < HCLGE_TM_PFC_PKT_GET_CMD_NUM; i++) { + struct hclge_pfc_stats_cmd *pfc_stats = + (struct hclge_pfc_stats_cmd *)desc[i].data; + + for (j = 0; j < HCLGE_TM_PFC_NUM_GET_PER_CMD; j++) { + u32 index = i * HCLGE_TM_PFC_PKT_GET_CMD_NUM + j; + + if (index < HCLGE_MAX_TC_NUM) + stats[index] = + le64_to_cpu(pfc_stats->pkt_num[j]); + } + } + return 0; +} + +int hclge_pfc_rx_stats_get(struct hclge_dev *hdev, u64 *stats) +{ + return hclge_pfc_stats_get(hdev, HCLGE_OPC_QUERY_PFC_RX_PKT_CNT, stats); +} + +int hclge_pfc_tx_stats_get(struct hclge_dev *hdev, u64 *stats) +{ + return hclge_pfc_stats_get(hdev, HCLGE_OPC_QUERY_PFC_TX_PKT_CNT, stats); +} + int hclge_mac_pause_en_cfg(struct hclge_dev *hdev, bool tx, bool rx) { struct hclge_desc desc; diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.h b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.h index c30c85b54ffc..2dbe177581e9 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.h +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.h @@ -109,6 +109,10 @@ struct hclge_cfg_pause_param_cmd { __le16 pause_trans_time; }; +struct hclge_pfc_stats_cmd { + __le64 pkt_num[3]; +}; + struct hclge_port_shapping_cmd { __le32 port_shapping_para; }; @@ -130,4 +134,6 @@ int hclge_tm_map_cfg(struct hclge_dev *hdev); int hclge_tm_init_hw(struct hclge_dev *hdev); int hclge_mac_pause_en_cfg(struct hclge_dev *hdev, bool tx, bool rx); int hclge_pause_addr_cfg(struct hclge_dev *hdev, const u8 *mac_addr); +int hclge_pfc_rx_stats_get(struct hclge_dev *hdev, u64 *stats); +int hclge_pfc_tx_stats_get(struct hclge_dev *hdev, u64 *stats); #endif |