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net/af_packet: fix packet bytes counting

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On error, we also need to zero the bytes transmitted.

Fixes: f4ff17a465d2 ("net/af_packet: guard against buffer overruns in Tx path")
Cc: stable@dpdk.org

Signed-off-by: Chas Williams <ciwillia@brocade.com>
This commit is contained in:
Chas Williams 2017-05-17 14:03:35 -04:00 committed by Ferruh Yigit
parent 92656e96dd
commit 74b7fc0a0f
1 changed files with 5 additions and 2 deletions
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7
drivers/net/af_packet/rte_eth_af_packet.c
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@ -252,8 +252,11 @@ eth_af_packet_tx(void *queue, struct rte_mbuf **bufs, uint16_t nb_pkts)
}
/* kick-off transmits */
if (sendto(pkt_q->sockfd, NULL, 0, MSG_DONTWAIT, NULL, 0) == -1)
num_tx = 0; /* error sending -- no packets transmitted */
if (sendto(pkt_q->sockfd, NULL, 0, MSG_DONTWAIT, NULL, 0) == -1) {
/* error sending -- no packets transmitted */
num_tx = 0;
num_tx_bytes = 0;
}
pkt_q->framenum = framenum;
pkt_q->tx_pkts += num_tx;