diff options
author | Jian Shen <shenjian15@huawei.com> | 2019-02-23 17:22:17 +0800 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2019-02-24 20:27:50 -0800 |
commit | a638b1d8cc875ae819591be787503fc1db053d5f (patch) | |
tree | c0d72174c377f39cf415d405a6bc41a9411c427a /drivers/net/ethernet/hisilicon | |
parent | 30ebc576d7773c7d8b53fa7941c2c56e488589fd (diff) |
net: hns3: fix get VF RSS issue
For revision 0x20, VF shares the same RSS config with PF.
In original codes, it always return 0 when query RSS hash
key for VF. This patch fixes it by return the hash key
got from PF.
Fixes: 374ad291762a ("net: hns3: net: hns3: Add RSS general configuration support for VF")
Signed-off-by: Jian Shen <shenjian15@huawei.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/hisilicon')
-rw-r--r-- | drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mbx.c | 25 | ||||
-rw-r--r-- | drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c | 50 |
2 files changed, 74 insertions, 1 deletions
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mbx.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mbx.c index ca056b3a6589..306a23e486de 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mbx.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mbx.c @@ -490,6 +490,24 @@ static int hclge_get_queue_id_in_pf(struct hclge_vport *vport, return hclge_gen_resp_to_vf(vport, mbx_req, 0, resp_data, 2); } +static int hclge_get_rss_key(struct hclge_vport *vport, + struct hclge_mbx_vf_to_pf_cmd *mbx_req) +{ +#define HCLGE_RSS_MBX_RESP_LEN 8 + u8 resp_data[HCLGE_RSS_MBX_RESP_LEN]; + struct hclge_dev *hdev = vport->back; + u8 index; + + index = mbx_req->msg[2]; + + memcpy(&resp_data[0], + &hdev->vport[0].rss_hash_key[index * HCLGE_RSS_MBX_RESP_LEN], + HCLGE_RSS_MBX_RESP_LEN); + + return hclge_gen_resp_to_vf(vport, mbx_req, 0, resp_data, + HCLGE_RSS_MBX_RESP_LEN); +} + static bool hclge_cmd_crq_empty(struct hclge_hw *hw) { u32 tail = hclge_read_dev(hw, HCLGE_NIC_CRQ_TAIL_REG); @@ -625,6 +643,13 @@ void hclge_mbx_handler(struct hclge_dev *hdev) "PF failed(%d) to get qid for VF\n", ret); break; + case HCLGE_MBX_GET_RSS_KEY: + ret = hclge_get_rss_key(vport, req); + if (ret) + dev_err(&hdev->pdev->dev, + "PF fail(%d) to get rss key for VF\n", + ret); + break; case HCLGE_MBX_GET_LINK_MODE: hclge_get_link_mode(vport, req); break; diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c index 12f16b96e746..8bc28e6f465f 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c @@ -620,12 +620,50 @@ static int hclgevf_set_rss_tc_mode(struct hclgevf_dev *hdev, u16 rss_size) return status; } +/* for revision 0x20, vf shared the same rss config with pf */ +static int hclgevf_get_rss_hash_key(struct hclgevf_dev *hdev) +{ +#define HCLGEVF_RSS_MBX_RESP_LEN 8 + + struct hclgevf_rss_cfg *rss_cfg = &hdev->rss_cfg; + u8 resp_msg[HCLGEVF_RSS_MBX_RESP_LEN]; + u16 msg_num, hash_key_index; + u8 index; + int ret; + + msg_num = (HCLGEVF_RSS_KEY_SIZE + HCLGEVF_RSS_MBX_RESP_LEN - 1) / + HCLGEVF_RSS_MBX_RESP_LEN; + for (index = 0; index < msg_num; index++) { + ret = hclgevf_send_mbx_msg(hdev, HCLGE_MBX_GET_RSS_KEY, 0, + &index, sizeof(index), + true, resp_msg, + HCLGEVF_RSS_MBX_RESP_LEN); + if (ret) { + dev_err(&hdev->pdev->dev, + "VF get rss hash key from PF failed, ret=%d", + ret); + return ret; + } + + hash_key_index = HCLGEVF_RSS_MBX_RESP_LEN * index; + if (index == msg_num - 1) + memcpy(&rss_cfg->rss_hash_key[hash_key_index], + &resp_msg[0], + HCLGEVF_RSS_KEY_SIZE - hash_key_index); + else + memcpy(&rss_cfg->rss_hash_key[hash_key_index], + &resp_msg[0], HCLGEVF_RSS_MBX_RESP_LEN); + } + + return 0; +} + static int hclgevf_get_rss(struct hnae3_handle *handle, u32 *indir, u8 *key, u8 *hfunc) { struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle); struct hclgevf_rss_cfg *rss_cfg = &hdev->rss_cfg; - int i; + int i, ret; if (handle->pdev->revision >= 0x21) { /* Get hash algorithm */ @@ -647,6 +685,16 @@ static int hclgevf_get_rss(struct hnae3_handle *handle, u32 *indir, u8 *key, if (key) memcpy(key, rss_cfg->rss_hash_key, HCLGEVF_RSS_KEY_SIZE); + } else { + if (hfunc) + *hfunc = ETH_RSS_HASH_TOP; + if (key) { + ret = hclgevf_get_rss_hash_key(hdev); + if (ret) + return ret; + memcpy(key, rss_cfg->rss_hash_key, + HCLGEVF_RSS_KEY_SIZE); + } } if (indir) |