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MT#55283 fix UDP hardware checksumming

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skb->csum and skb->csum_{start,offset} are actually in a union.

Fix copy/pasto in IPv4 code path.

Change-Id: I84c498f191d1fc22b987da357e068b9e2f615297
pull/1819/head
Richard Fuchs 2 years ago
parent 28e9079e2f
commit e0efaf77b0
1 changed files with 1 additions and 5 deletions
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6
kernel-module/xt_RTPENGINE.c
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@ -3937,10 +3937,7 @@ static int send_proxy_packet4(struct sk_buff *skb, struct re_address *src, struc
goto drop; goto drop;
skb->dev = skb_dst(skb)->dev; skb->dev = skb_dst(skb)->dev;
skb->csum_start = skb_transport_header(skb) - skb->head; if (skb->dev->features & (NETIF_F_HW_CSUM | NETIF_F_IP_CSUM)) {
skb->csum_offset = offsetof(struct udphdr, check);
if (skb->dev->features & (NETIF_F_HW_CSUM | NETIF_F_IPV6_CSUM)) {
skb->ip_summed = CHECKSUM_PARTIAL; skb->ip_summed = CHECKSUM_PARTIAL;
skb->csum = 0; skb->csum = 0;
udp4_hwcsum(skb, ih->saddr, ih->daddr); udp4_hwcsum(skb, ih->saddr, ih->daddr);
@ -4037,7 +4034,6 @@ static int send_proxy_packet6(struct sk_buff *skb, struct re_address *src, struc
if (skb->dev->features & (NETIF_F_HW_CSUM | NETIF_F_IPV6_CSUM)) { if (skb->dev->features & (NETIF_F_HW_CSUM | NETIF_F_IPV6_CSUM)) {
skb->ip_summed = CHECKSUM_PARTIAL; skb->ip_summed = CHECKSUM_PARTIAL;
skb->csum = 0;
uh->check = ~csum_ipv6_magic(&ih->saddr, &ih->daddr, datalen, IPPROTO_UDP, 0); uh->check = ~csum_ipv6_magic(&ih->saddr, &ih->daddr, datalen, IPPROTO_UDP, 0);
} }
else { else {

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