Attachment 1448414 Details for Bug 1578981 – upstream fix

[patch] upstream fix

0001-net-qede-fix-L2-handles-used-for-RSS-hash-update.patch (text/plain), 1.59 KB, created by Rasesh Mody on 2018-06-06 18:57:42 UTC

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Creator: Rasesh Mody

Created: 2018-06-06 18:57:42 UTC

Size: 1.59 KB

patch

obsolete

>From 94476b5b7cfbc2084b78ad82677edad0d3581e45 Mon Sep 17 00:00:00 2001
>In-Reply-To: <1527873381-23910-1-git-send-email-rasesh.mody@cavium.com>
>References: <1527873381-23910-1-git-send-email-rasesh.mody@cavium.com>
>From: Rasesh Mody <rasesh.mody@cavium.com>
>Date: Tue, 29 May 2018 13:45:29 -0700
>Subject: [PATCH v2] net/qede: fix L2-handles used for RSS hash update
>To: dev@dpdk.org
>Cc: ktraynor@redhat.com,
>    ferruh.yigit@intel.com,
>    Dept-EngDPDKDev@cavium.com
>
>Fix fast path array index which is used for passing L2 handles to RSS
>indirection table, properly distribute rxq handles for indirection table.
>Currently, it is using the local copy of indirection table. When the RX
>queue configuration changes the local copy becomes invalid.
>
>Fixes: 69d7ba88f1a1 ("net/qede/base: use L2-handles for RSS configuration")
>Cc: stable@dpdk.org
>
>Signed-off-by: Rasesh Mody <rasesh.mody@cavium.com>
>Reviewed-by: Kevin Traynor <ktraynor@redhat.com>
>---
> drivers/net/qede/qede_ethdev.c |    2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
>diff --git a/drivers/net/qede/qede_ethdev.c b/drivers/net/qede/qede_ethdev.c
>index 3206cc6..5a4071b 100644
>--- a/drivers/net/qede/qede_ethdev.c
>+++ b/drivers/net/qede/qede_ethdev.c
>@@ -2210,7 +2210,7 @@ int qede_rss_hash_update(struct rte_eth_dev *eth_dev,
> 	vport_update_params.vport_id = 0;
> 	/* pass the L2 handles instead of qids */
> 	for (i = 0 ; i < ECORE_RSS_IND_TABLE_SIZE ; i++) {
>-		idx = qdev->rss_ind_table[i];
>+		idx = i % QEDE_RSS_COUNT(qdev);
> 		rss_params.rss_ind_table[i] = qdev->fp_array[idx].rxq->handle;
> 	}
> 	vport_update_params.rss_params = &rss_params;
>-- 
>1.7.10.3
>

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Attachments on bug 1578981: 1446541 | 1448413 | 1448414 | 1448523 | 1448735 | 1449202