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net/enic: check maximum packet size in Tx prepare handler

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The default tx handler checks the maximum packet size. Check it in the
prepare handler too. WQ stops working if the app/driver tries to send
oversized packets, so these checks are unavoidable.

Signed-off-by: Hyong Youb Kim <hyonkim@cisco.com>
Reviewed-by: John Daley <johndale@cisco.com>
This commit is contained in:
Hyong Youb Kim 2018-06-29 02:29:41 -07:00 committed by Ferruh Yigit
parent ed933c35ca
commit 5a12c38740
1 changed files with 4 additions and 0 deletions
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4
drivers/net/enic/enic_rxtx.c
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@ -563,6 +563,10 @@ uint16_t enic_prep_pkts(void *tx_queue, struct rte_mbuf **tx_pkts,
for (i = 0; i != nb_pkts; i++) {
m = tx_pkts[i];
if (unlikely(m->pkt_len > ENIC_TX_MAX_PKT_SIZE)) {
rte_errno = EINVAL;
return i;
}
ol_flags = m->ol_flags;
if (ol_flags & wq->tx_offload_notsup_mask) {
rte_errno = ENOTSUP;