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net/fm10k: fix RSS hash config

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Sometimes app just wants to update the RSS hash function and no RSS key
update is needed, but fm10k pmd will return EINVAL for this case.

If the rss_key is NULL, we don't need to check the rss_key_len.

Fixes: 57033cdf8f ("fm10k: add PF RSS")

Reported-by: Xueqin Lin <xueqin.lin@intel.com>
Signed-off-by: Xiao Wang <xiao.w.wang@intel.com>
This commit is contained in:
Xiao Wang 2016-07-21 16:24:30 +08:00 committed by Thomas Monjalon
parent a280e64c08
commit 7a2c46695f
1 changed files with 4 additions and 4 deletions
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8
drivers/net/fm10k/fm10k_ethdev.c
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@ -2159,8 +2159,8 @@ fm10k_rss_hash_update(struct rte_eth_dev *dev,
PMD_INIT_FUNC_TRACE();
if (rss_conf->rss_key_len < FM10K_RSSRK_SIZE *
FM10K_RSSRK_ENTRIES_PER_REG)
if (key && (rss_conf->rss_key_len < FM10K_RSSRK_SIZE *
FM10K_RSSRK_ENTRIES_PER_REG))
return -EINVAL;
if (hf == 0)
@ -2202,8 +2202,8 @@ fm10k_rss_hash_conf_get(struct rte_eth_dev *dev,
PMD_INIT_FUNC_TRACE();
if (rss_conf->rss_key_len < FM10K_RSSRK_SIZE *
FM10K_RSSRK_ENTRIES_PER_REG)
if (key && (rss_conf->rss_key_len < FM10K_RSSRK_SIZE *
FM10K_RSSRK_ENTRIES_PER_REG))
return -EINVAL;
if (key != NULL)