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* [dpdk-dev] [PATCH] net/i40e: fix error when create two RSS flow rule
@ 2019-05-09  2:59 Wei Zhao
  2019-05-09  2:59 ` Wei Zhao
  2019-05-09  3:34 ` Zhao1, Wei
  0 siblings, 2 replies; 6+ messages in thread
From: Wei Zhao @ 2019-05-09  2:59 UTC (permalink / raw)
  To: dev; +Cc: stable, qi.z.zhang, yuan.peng, Wei Zhao

There is need to refuse to create the second RSS flow rule
as only one RSS key and HASH register for each PF port.
Users should delete the first rule before setup the second
rule.

Fixes: ecad87d22383 ("net/i40e: move RSS to flow API")
Cc: stable@dpdk.org

Signed-off-by: Wei Zhao <wei.zhao1@intel.com>
---
 drivers/net/i40e/i40e_flow.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/drivers/net/i40e/i40e_flow.c b/drivers/net/i40e/i40e_flow.c
index 5447e4e..bca93b6 100644
--- a/drivers/net/i40e/i40e_flow.c
+++ b/drivers/net/i40e/i40e_flow.c
@@ -4444,6 +4444,14 @@ i40e_flow_parse_rss_action(struct rte_eth_dev *dev,
 		}
 	}
 
+	if (rss_info->conf.queue_num) {
+		rte_flow_error_set(error, EINVAL,
+				RTE_FLOW_ERROR_TYPE_ACTION,
+				act,
+				"rss only allow one valid rule");
+		return -rte_errno;
+	}
+
 	/* Parse RSS related parameters from configuration */
 	if (rss->func != RTE_ETH_HASH_FUNCTION_DEFAULT)
 		return rte_flow_error_set
-- 
2.7.5

^ permalink raw reply	[flat|nested] 6+ messages in thread

end of thread, other threads:[~2019-05-14 12:58 UTC | newest]

Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2019-05-09  2:59 [dpdk-dev] [PATCH] net/i40e: fix error when create two RSS flow rule Wei Zhao
2019-05-09  2:59 ` Wei Zhao
2019-05-09  3:34 ` Zhao1, Wei
2019-05-09  3:34   ` Zhao1, Wei
2019-05-14 12:58   ` Zhang, Qi Z
2019-05-14 12:58     ` Zhang, Qi Z

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