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net: hns3: refactor the hclge_get/set_rss function

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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>
This commit is contained in:
Yunsheng Lin 2018-03-09 10:36:56 +08:00 committed by David S. Miller
parent 0623951eb8
commit 89523cfaa5
2 changed files with 9 additions and 32 deletions
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39
drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
View File

@ -2979,31 +2979,6 @@ static u32 hclge_get_rss_indir_size(struct hnae3_handle *handle)
return HCLGE_RSS_IND_TBL_SIZE;
}
static int hclge_get_rss_algo(struct hclge_dev *hdev)
{
struct hclge_rss_config_cmd *req;
struct hclge_desc desc;
int rss_hash_algo;
int ret;
hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_RSS_GENERIC_CONFIG, true);
ret = hclge_cmd_send(&hdev->hw, &desc, 1);
if (ret) {
dev_err(&hdev->pdev->dev,
"Get link status error, status =%d\n", ret);
return ret;
}
req = (struct hclge_rss_config_cmd *)desc.data;
rss_hash_algo = (req->hash_config & HCLGE_RSS_HASH_ALGO_MASK);
if (rss_hash_algo == HCLGE_RSS_HASH_ALGO_TOEPLITZ)
return ETH_RSS_HASH_TOP;
return -EINVAL;
}
static int hclge_set_rss_algo_key(struct hclge_dev *hdev,
const u8 hfunc, const u8 *key)
{
@ -3042,7 +3017,7 @@ static int hclge_set_rss_algo_key(struct hclge_dev *hdev,
return 0;
}
static int hclge_set_rss_indir_table(struct hclge_dev *hdev, const u32 *indir)
static int hclge_set_rss_indir_table(struct hclge_dev *hdev, const u8 *indir)
{
struct hclge_rss_indirection_table_cmd *req;
struct hclge_desc desc;
@ -3138,12 +3113,11 @@ static int hclge_get_rss(struct hnae3_handle *handle, u32 *indir,
u8 *key, u8 *hfunc)
{
struct hclge_vport *vport = hclge_get_vport(handle);
struct hclge_dev *hdev = vport->back;
int i;
/* Get hash algorithm */
if (hfunc)
*hfunc = hclge_get_rss_algo(hdev);
*hfunc = vport->rss_algo;
/* Get the RSS Key required by the user */
if (key)
@ -3167,8 +3141,6 @@ static int hclge_set_rss(struct hnae3_handle *handle, const u32 *indir,
/* Set the RSS Hash Key if specififed by the user */
if (key) {
/* Update the shadow RSS key with user specified qids */
memcpy(vport->rss_hash_key, key, HCLGE_RSS_KEY_SIZE);
if (hfunc == ETH_RSS_HASH_TOP ||
hfunc == ETH_RSS_HASH_NO_CHANGE)
@ -3178,6 +3150,10 @@ static int hclge_set_rss(struct hnae3_handle *handle, const u32 *indir,
ret = hclge_set_rss_algo_key(hdev, hash_algo, key);
if (ret)
return ret;
/* Update the shadow RSS key with user specified qids */
memcpy(vport->rss_hash_key, key, HCLGE_RSS_KEY_SIZE);
vport->rss_algo = hash_algo;
}
/* Update the shadow RSS table with user specified qids */
@ -3185,8 +3161,7 @@ static int hclge_set_rss(struct hnae3_handle *handle, const u32 *indir,
vport->rss_indirection_tbl[i] = indir[i];
/* Update the hardware */
ret = hclge_set_rss_indir_table(hdev, indir);
return ret;
return hclge_set_rss_indir_table(hdev, vport->rss_indirection_tbl);
}
static u8 hclge_get_rss_hash_bits(struct ethtool_rxnfc *nfc)

2
drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.h
View File

@ -579,6 +579,8 @@ struct hclge_vport {
u8 rss_hash_key[HCLGE_RSS_KEY_SIZE]; /* User configured hash keys */
/* User configured lookup table entries */
u8 rss_indirection_tbl[HCLGE_RSS_IND_TBL_SIZE];
int rss_algo; /* User configured hash algorithm */
u16 alloc_rss_size;
u16 qs_offset;