[dpdk-dev] [PATCH v2 3/3] net/bnxt: fix to free all the vnics during port stop
Ajit Khaparde
ajit.khaparde at broadcom.com
Fri Nov 22 00:34:34 CET 2019
From: Somnath Kotur <somnath.kotur at broadcom.com>
Now that vnics are created only as part of the flow creation cmds
and not during init, we cannot rely on iterating only through
'nr_vnics'. We need to sweep all the vnics by using 'max_vnics'
otherwise a vnic with a stale 'rx_queue_cnt' might be left lingering
post a port stop/start operation. This could lead to a segfault.
This change is required because of the recent fix made by commit to
"fix flow creation with non-consecutive group ids".
Fixes: bab0a1f2ed4b ("net/bnxt: fix flow creation with non-consecutive group ids")
Signed-off-by: Somnath Kotur <somnath.kotur at broadcom.com>
Reviewed-by: Ajit Khaparde <ajit.khaparde at broadcom.com>
---
drivers/net/bnxt/bnxt_vnic.c | 9 +++++----
1 file changed, 5 insertions(+), 4 deletions(-)
diff --git a/drivers/net/bnxt/bnxt_vnic.c b/drivers/net/bnxt/bnxt_vnic.c
index 52a4badfc..104342e13 100644
--- a/drivers/net/bnxt/bnxt_vnic.c
+++ b/drivers/net/bnxt/bnxt_vnic.c
@@ -75,12 +75,13 @@ struct bnxt_vnic_info *bnxt_alloc_vnic(struct bnxt *bp)
void bnxt_free_all_vnics(struct bnxt *bp)
{
- struct bnxt_vnic_info *temp;
+ struct bnxt_vnic_info *vnic;
unsigned int i;
- for (i = 0; i < bp->nr_vnics; i++) {
- temp = &bp->vnic_info[i];
- STAILQ_INSERT_TAIL(&bp->free_vnic_list, temp, next);
+ for (i = 0; i < bp->max_vnics; i++) {
+ vnic = &bp->vnic_info[i];
+ STAILQ_INSERT_TAIL(&bp->free_vnic_list, vnic, next);
+ vnic->rx_queue_cnt = 0;
}
}
--
2.21.0 (Apple Git-122.2)
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