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Fix checking if the DF flag was set in ENA driver

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The previous way of checking for DF was not valid.
When DF is enabled, the DF bit should be 1.

The original way of checking it was wrong in 2 ways: first of all, it
was not checking for single bit, secondly, it was checking for 0.

Submitted by: Michal Krawczyk <mk@semihalf.com>
Reviewed by: byenduri_gmail.com
Obtained from: Semihalf
Sponsored by: Amazon, Inc.
Differential Revision: https://reviews.freebsd.org/D12865
This commit is contained in:
Marcin Wojtas 2017-11-09 12:32:10 +00:00
parent 5a9902126e
commit cd43338509
1 changed files with 1 additions and 1 deletions
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2
sys/dev/ena/ena.c
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@ -2640,7 +2640,7 @@ ena_tx_csum(struct ena_com_tx_ctx *ena_tx_ctx, struct mbuf *mbuf)
switch (etype) {
case ETHERTYPE_IP:
ena_tx_ctx->l3_proto = ENA_ETH_IO_L3_PROTO_IPV4;
if (ip->ip_off == 0)
if ((ip->ip_off & htons(IP_DF)) != 0)
ena_tx_ctx->df = 1;
break;
case ETHERTYPE_IPV6: