svn commit: r325585 - head/sys/dev/ena
Marcin Wojtas
mw at FreeBSD.org
Thu Nov 9 12:32:12 UTC 2017
Author: mw
Date: Thu Nov 9 12:32:10 2017
New Revision: 325585
URL: https://svnweb.freebsd.org/changeset/base/325585
Log:
Fix checking if the DF flag was set in ENA driver
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 at semihalf.com>
Reviewed by: byenduri_gmail.com
Obtained from: Semihalf
Sponsored by: Amazon, Inc.
Differential Revision: https://reviews.freebsd.org/D12865
Modified:
head/sys/dev/ena/ena.c
Modified: head/sys/dev/ena/ena.c
==============================================================================
--- head/sys/dev/ena/ena.c Thu Nov 9 12:07:02 2017 (r325584)
+++ head/sys/dev/ena/ena.c Thu Nov 9 12:32:10 2017 (r325585)
@@ -2640,7 +2640,7 @@ ena_tx_csum(struct ena_com_tx_ctx *ena_tx_ctx, struct
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:
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