diff options
| author | Jeff Garzik <jeff@garzik.org> | 2012-07-25 15:58:48 -0400 |
|---|---|---|
| committer | Jeff Garzik <jgarzik@redhat.com> | 2012-07-25 15:58:48 -0400 |
| commit | 8407884dd9164ec18ed2afc00f56b87e36c51fcf (patch) | |
| tree | b6ea42c231d7d39f454de28a068d78ce11709770 /net/ipv4/esp4.c | |
| parent | dc7f71f486f4f5fa96f6dcf86833da020cde8a11 (diff) | |
| parent | bdc0077af574800d24318b6945cf2344e8dbb050 (diff) | |
Merge branch 'master' [vanilla Linus master] into libata-dev.git/upstream
Two bits were appended to the end of the bitfield
list in struct scsi_device. Resolve that conflict
by including both bits.
Conflicts:
include/scsi/scsi_device.h
Diffstat (limited to 'net/ipv4/esp4.c')
| -rw-r--r-- | net/ipv4/esp4.c | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/net/ipv4/esp4.c b/net/ipv4/esp4.c index cb982a61536..b61e9deb7c7 100644 --- a/net/ipv4/esp4.c +++ b/net/ipv4/esp4.c @@ -484,16 +484,25 @@ static void esp4_err(struct sk_buff *skb, u32 info) struct ip_esp_hdr *esph = (struct ip_esp_hdr *)(skb->data+(iph->ihl<<2)); struct xfrm_state *x; - if (icmp_hdr(skb)->type != ICMP_DEST_UNREACH || - icmp_hdr(skb)->code != ICMP_FRAG_NEEDED) + switch (icmp_hdr(skb)->type) { + case ICMP_DEST_UNREACH: + if (icmp_hdr(skb)->code != ICMP_FRAG_NEEDED) + return; + case ICMP_REDIRECT: + break; + default: return; + } x = xfrm_state_lookup(net, skb->mark, (const xfrm_address_t *)&iph->daddr, esph->spi, IPPROTO_ESP, AF_INET); if (!x) return; - NETDEBUG(KERN_DEBUG "pmtu discovery on SA ESP/%08x/%08x\n", - ntohl(esph->spi), ntohl(iph->daddr)); + + if (icmp_hdr(skb)->type == ICMP_DEST_UNREACH) + ipv4_update_pmtu(skb, net, info, 0, 0, IPPROTO_ESP, 0); + else + ipv4_redirect(skb, net, 0, 0, IPPROTO_ESP, 0); xfrm_state_put(x); } |