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net/hns3: optimize default RSS algorithm

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This patch changed the default algorithm of RSS from simle_xor to
toeplitz because toeplitz is used more frequently by upper applications
such as ceph.

Signed-off-by: Hao Chen <chenhao164@huawei.com>
Signed-off-by: Wei Hu (Xavier) <xavier.huwei@huawei.com>
This commit is contained in:
Hao Chen 2019-12-21 18:32:49 +08:00 committed by Ferruh Yigit
parent 89c04d8117
commit 8834849a95
1 changed files with 11 additions and 3 deletions
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14
drivers/net/hns3/hns3_rss.c
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@ -211,7 +211,11 @@ hns3_set_rss_tuple_by_rss_hf(struct hns3_hw *hw,
req->ipv6_fragment_en |= HNS3_IP_OTHER_BIT_MASK;
break;
default:
/* Other unsupported flow types won't change tuples */
/*
* rss_hf doesn't include unsupported flow types
* because the API framework has checked it, and
* this branch will never go unless rss_hf is zero.
*/
break;
}
}
@ -251,8 +255,8 @@ hns3_dev_rss_hash_update(struct rte_eth_dev *dev,
struct hns3_hw *hw = &hns->hw;
struct hns3_rss_tuple_cfg *tuple = &hw->rss_info.rss_tuple_sets;
struct hns3_rss_conf *rss_cfg = &hw->rss_info;
uint8_t algo = rss_cfg->conf.func;
uint8_t key_len = rss_conf->rss_key_len;
uint8_t algo;
uint64_t rss_hf = rss_conf->rss_hf;
uint8_t *key = rss_conf->rss_key;
int ret;
@ -285,6 +289,8 @@ hns3_dev_rss_hash_update(struct rte_eth_dev *dev,
ret = -EINVAL;
goto conf_err;
}
algo = rss_cfg->conf.func == RTE_ETH_HASH_FUNCTION_SIMPLE_XOR ?
HNS3_RSS_HASH_ALGO_SIMPLE : HNS3_RSS_HASH_ALGO_TOEPLITZ;
ret = hns3_set_rss_algo_key(hw, algo, key);
if (ret)
goto conf_err;
@ -500,7 +506,9 @@ hns3_set_default_rss_args(struct hns3_hw *hw)
int i;
/* Default hash algorithm */
rss_cfg->conf.func = RTE_ETH_HASH_FUNCTION_SIMPLE_XOR;
rss_cfg->conf.func = RTE_ETH_HASH_FUNCTION_TOEPLITZ;
/* Default RSS key */
memcpy(rss_cfg->key, hns3_hash_key, HNS3_RSS_KEY_SIZE);
/* Initialize RSS indirection table */