[dpdk-dev] [PATCHv2 2/2] ixgbe: fix vector scatter RX could produce wrong nb_segs value
Konstantin Ananyev
konstantin.ananyev at intel.com
Tue Jul 28 13:39:23 CEST 2015
Fixes: cf4b4708a88a (ixgbe: improve slow-path perf with vector scattered Rx)
v2: changes:
- updated commit message with 'Fixes'.
Signed-off-by: Konstantin Ananyev <konstantin.ananyev at intel.com>
---
drivers/net/ixgbe/ixgbe_rxtx_vec.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/net/ixgbe/ixgbe_rxtx_vec.c b/drivers/net/ixgbe/ixgbe_rxtx_vec.c
index 6c1647e..1c16dec 100644
--- a/drivers/net/ixgbe/ixgbe_rxtx_vec.c
+++ b/drivers/net/ixgbe/ixgbe_rxtx_vec.c
@@ -497,6 +497,8 @@ reassemble_packets(struct ixgbe_rx_queue *rxq, struct rte_mbuf **rx_bufs,
else {
/* free up last mbuf */
struct rte_mbuf *secondlast = start;
+
+ start->nb_segs--;
while (secondlast->next != end)
secondlast = secondlast->next;
secondlast->data_len -= (rxq->crc_len -
--
1.8.3.1
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