diff options
Diffstat (limited to 'net/ipv6/tcp_ipv6.c')
-rw-r--r-- | net/ipv6/tcp_ipv6.c | 20 |
1 files changed, 9 insertions, 11 deletions
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c index d746d3b27efb..62c0e5bd931c 100644 --- a/net/ipv6/tcp_ipv6.c +++ b/net/ipv6/tcp_ipv6.c | |||
@@ -1401,20 +1401,18 @@ out: | |||
1401 | static int tcp_v6_checksum_init(struct sk_buff *skb) | 1401 | static int tcp_v6_checksum_init(struct sk_buff *skb) |
1402 | { | 1402 | { |
1403 | if (skb->ip_summed == CHECKSUM_HW) { | 1403 | if (skb->ip_summed == CHECKSUM_HW) { |
1404 | skb->ip_summed = CHECKSUM_UNNECESSARY; | ||
1405 | if (!tcp_v6_check(skb->h.th,skb->len,&skb->nh.ipv6h->saddr, | 1404 | if (!tcp_v6_check(skb->h.th,skb->len,&skb->nh.ipv6h->saddr, |
1406 | &skb->nh.ipv6h->daddr,skb->csum)) | 1405 | &skb->nh.ipv6h->daddr,skb->csum)) { |
1406 | skb->ip_summed = CHECKSUM_UNNECESSARY; | ||
1407 | return 0; | 1407 | return 0; |
1408 | LIMIT_NETDEBUG(KERN_DEBUG "hw tcp v6 csum failed\n"); | 1408 | } |
1409 | } | 1409 | } |
1410 | |||
1411 | skb->csum = ~tcp_v6_check(skb->h.th,skb->len,&skb->nh.ipv6h->saddr, | ||
1412 | &skb->nh.ipv6h->daddr, 0); | ||
1413 | |||
1410 | if (skb->len <= 76) { | 1414 | if (skb->len <= 76) { |
1411 | if (tcp_v6_check(skb->h.th,skb->len,&skb->nh.ipv6h->saddr, | 1415 | return __skb_checksum_complete(skb); |
1412 | &skb->nh.ipv6h->daddr,skb_checksum(skb, 0, skb->len, 0))) | ||
1413 | return -1; | ||
1414 | skb->ip_summed = CHECKSUM_UNNECESSARY; | ||
1415 | } else { | ||
1416 | skb->csum = ~tcp_v6_check(skb->h.th,skb->len,&skb->nh.ipv6h->saddr, | ||
1417 | &skb->nh.ipv6h->daddr,0); | ||
1418 | } | 1416 | } |
1419 | return 0; | 1417 | return 0; |
1420 | } | 1418 | } |
@@ -1575,7 +1573,7 @@ static int tcp_v6_rcv(struct sk_buff **pskb, unsigned int *nhoffp) | |||
1575 | goto discard_it; | 1573 | goto discard_it; |
1576 | 1574 | ||
1577 | if ((skb->ip_summed != CHECKSUM_UNNECESSARY && | 1575 | if ((skb->ip_summed != CHECKSUM_UNNECESSARY && |
1578 | tcp_v6_checksum_init(skb) < 0)) | 1576 | tcp_v6_checksum_init(skb))) |
1579 | goto bad_packet; | 1577 | goto bad_packet; |
1580 | 1578 | ||
1581 | th = skb->h.th; | 1579 | th = skb->h.th; |