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i40evf: fix RSS key configuration

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It fixes the issue of not configuring rss key enable flags
when there is no rss key available.

Fixes: 647d1eaf758b ("i40evf: support AQ based RSS config")

Signed-off-by: Helin Zhang <helin.zhang@intel.com>
This commit is contained in:
Helin Zhang 2015-11-27 23:34:24 +08:00 committed by Thomas Monjalon
parent 2a3cf07108
commit 12cadd39b5
1 changed files with 11 additions and 4 deletions
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15
drivers/net/i40e/i40e_ethdev_vf.c
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@ -2200,9 +2200,14 @@ i40evf_set_rss_key(struct i40e_vsi *vsi, uint8_t *key, uint8_t key_len)
struct i40e_hw *hw = I40E_VSI_TO_HW(vsi);
int ret = 0;
if (!key || key_len != ((I40E_VFQF_HKEY_MAX_INDEX + 1) *
sizeof(uint32_t)))
if (!key || key_len == 0) {
PMD_DRV_LOG(DEBUG, "No key to be configured");
return 0;
} else if (key_len != (I40E_VFQF_HKEY_MAX_INDEX + 1) *
sizeof(uint32_t)) {
PMD_DRV_LOG(ERR, "Invalid key length %u", key_len);
return -EINVAL;
}
if (vf->flags & I40E_FLAG_RSS_AQ_CAPABLE) {
struct i40e_aqc_get_set_rss_key_data *key_dw =
@ -2322,12 +2327,14 @@ i40evf_config_rss(struct i40e_vf *vf)
return 0;
}
if (rss_conf.rss_key == NULL || rss_conf.rss_key_len < nb_q) {
if (rss_conf.rss_key == NULL || rss_conf.rss_key_len <
(I40E_VFQF_HKEY_MAX_INDEX + 1) * sizeof(uint32_t)) {
/* Calculate the default hash key */
for (i = 0; i <= I40E_VFQF_HKEY_MAX_INDEX; i++)
rss_key_default[i] = (uint32_t)rte_rand();
rss_conf.rss_key = (uint8_t *)rss_key_default;
rss_conf.rss_key_len = nb_q;
rss_conf.rss_key_len = (I40E_VFQF_HKEY_MAX_INDEX + 1) *
sizeof(uint32_t);
}
return i40evf_hw_rss_hash_set(vf, &rss_conf);