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net/i40e: fix mbuf leak during Rx queue release

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For the vector PMD, release all mbufs from the Rx queue if no packets
are received after device start.

Fixes: 9ed94e5bb04e ("i40e: add vector Rx")

Signed-off-by: Yury Kylulin <yury.kylulin@intel.com>
Acked-by: Beilei Xing <beilei.xing@intel.com>
This commit is contained in:
Yury Kylulin 2016-08-29 19:50:48 +03:00 committed by Bruce Richardson
parent f853230920
commit 158efcdc5e
1 changed files with 14 additions and 2 deletions
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16
drivers/net/i40e/i40e_rxtx_vec.c
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@ -692,8 +692,20 @@ i40e_rx_queue_release_mbufs_vec(struct i40e_rx_queue *rxq)
return;
/* free all mbufs that are valid in the ring */
for (i = rxq->rx_tail; i != rxq->rxrearm_start; i = (i + 1) & mask)
rte_pktmbuf_free_seg(rxq->sw_ring[i].mbuf);
if (rxq->rxrearm_nb == 0) {
for (i = 0; i < rxq->nb_rx_desc; i++) {
if (rxq->sw_ring[i].mbuf != NULL)
rte_pktmbuf_free_seg(rxq->sw_ring[i].mbuf);
}
} else {
for (i = rxq->rx_tail;
i != rxq->rxrearm_start;
i = (i + 1) & mask) {
if (rxq->sw_ring[i].mbuf != NULL)
rte_pktmbuf_free_seg(rxq->sw_ring[i].mbuf);
}
}
rxq->rxrearm_nb = rxq->nb_rx_desc;
/* set all entries to NULL */