There's a corner case that all the Rx queue mbufs are allocated but none
of them is used, this patch fixes mbuf free for this case.
Fixes: b6719f8a04bb ("fm10k: release mbuf for vector Rx")
Cc: sta...@dpdk.org
Signed-off-by: Xiao Wang <xiao.w.w...@intel.com>
Signed-off-by: Anna Lukin <an...@silicom.co.il>
---
drivers/net/fm10k/fm10k_rxtx_vec.c | 11 +++++++++--
1 file changed, 9 insertions(+), 2 deletions(-)
diff --git a/drivers/net/fm10k/fm10k_rxtx_vec.c
b/drivers/net/fm10k/fm10k_rxtx_vec.c
index 45542bef3..d76dfd16f 100644
--- a/drivers/net/fm10k/fm10k_rxtx_vec.c
+++ b/drivers/net/fm10k/fm10k_rxtx_vec.c
@@ -359,8 +359,15 @@ fm10k_rx_queue_release_mbufs_vec(struct fm10k_rx_queue
*rxq)
return;
/* free all mbufs that are valid in the ring */
- for (i = rxq->next_dd; i != rxq->rxrearm_start; i = (i + 1) & mask)
- rte_pktmbuf_free_seg(rxq->sw_ring[i]);
+ if (rxq->rxrearm_nb == 0) {
+ for (i = 0; i < rxq->nb_desc; i++)
+ if (rxq->sw_ring[i] != NULL)
+ rte_pktmbuf_free_seg(rxq->sw_ring[i]);
+ } else {
+ for (i = rxq->next_dd; i != rxq->rxrearm_start;
+ i = (i + 1) & mask)
+ rte_pktmbuf_free_seg(rxq->sw_ring[i]);
+ }
rxq->rxrearm_nb = rxq->nb_desc;
/* set all entries to NULL */
--
2.15.1
