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net: hns3: refactor the hclge_get/set_rss function
This patch refactors the hclge_get/set_rss function in order to fix the rss configuration loss problem during reset process. 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>
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0623951eb8
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89523cfaa5
@ -2979,31 +2979,6 @@ static u32 hclge_get_rss_indir_size(struct hnae3_handle *handle)
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return HCLGE_RSS_IND_TBL_SIZE;
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}
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static int hclge_get_rss_algo(struct hclge_dev *hdev)
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{
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struct hclge_rss_config_cmd *req;
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struct hclge_desc desc;
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int rss_hash_algo;
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int ret;
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hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_RSS_GENERIC_CONFIG, true);
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ret = hclge_cmd_send(&hdev->hw, &desc, 1);
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if (ret) {
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dev_err(&hdev->pdev->dev,
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"Get link status error, status =%d\n", ret);
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return ret;
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}
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req = (struct hclge_rss_config_cmd *)desc.data;
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rss_hash_algo = (req->hash_config & HCLGE_RSS_HASH_ALGO_MASK);
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if (rss_hash_algo == HCLGE_RSS_HASH_ALGO_TOEPLITZ)
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return ETH_RSS_HASH_TOP;
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return -EINVAL;
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}
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static int hclge_set_rss_algo_key(struct hclge_dev *hdev,
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const u8 hfunc, const u8 *key)
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{
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@ -3042,7 +3017,7 @@ static int hclge_set_rss_algo_key(struct hclge_dev *hdev,
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return 0;
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}
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static int hclge_set_rss_indir_table(struct hclge_dev *hdev, const u32 *indir)
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static int hclge_set_rss_indir_table(struct hclge_dev *hdev, const u8 *indir)
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{
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struct hclge_rss_indirection_table_cmd *req;
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struct hclge_desc desc;
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@ -3138,12 +3113,11 @@ static int hclge_get_rss(struct hnae3_handle *handle, u32 *indir,
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u8 *key, u8 *hfunc)
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{
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struct hclge_vport *vport = hclge_get_vport(handle);
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struct hclge_dev *hdev = vport->back;
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int i;
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/* Get hash algorithm */
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if (hfunc)
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*hfunc = hclge_get_rss_algo(hdev);
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*hfunc = vport->rss_algo;
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/* Get the RSS Key required by the user */
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if (key)
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@ -3167,8 +3141,6 @@ static int hclge_set_rss(struct hnae3_handle *handle, const u32 *indir,
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/* Set the RSS Hash Key if specififed by the user */
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if (key) {
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/* Update the shadow RSS key with user specified qids */
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memcpy(vport->rss_hash_key, key, HCLGE_RSS_KEY_SIZE);
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if (hfunc == ETH_RSS_HASH_TOP ||
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hfunc == ETH_RSS_HASH_NO_CHANGE)
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@ -3178,6 +3150,10 @@ static int hclge_set_rss(struct hnae3_handle *handle, const u32 *indir,
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ret = hclge_set_rss_algo_key(hdev, hash_algo, key);
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if (ret)
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return ret;
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/* Update the shadow RSS key with user specified qids */
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memcpy(vport->rss_hash_key, key, HCLGE_RSS_KEY_SIZE);
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vport->rss_algo = hash_algo;
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}
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/* Update the shadow RSS table with user specified qids */
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@ -3185,8 +3161,7 @@ static int hclge_set_rss(struct hnae3_handle *handle, const u32 *indir,
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vport->rss_indirection_tbl[i] = indir[i];
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/* Update the hardware */
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ret = hclge_set_rss_indir_table(hdev, indir);
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return ret;
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return hclge_set_rss_indir_table(hdev, vport->rss_indirection_tbl);
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}
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static u8 hclge_get_rss_hash_bits(struct ethtool_rxnfc *nfc)
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@ -579,6 +579,8 @@ struct hclge_vport {
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u8 rss_hash_key[HCLGE_RSS_KEY_SIZE]; /* User configured hash keys */
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/* User configured lookup table entries */
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u8 rss_indirection_tbl[HCLGE_RSS_IND_TBL_SIZE];
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int rss_algo; /* User configured hash algorithm */
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u16 alloc_rss_size;
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u16 qs_offset;
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