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author | Linus Torvalds <torvalds@g5.osdl.org> | 2006-06-20 05:55:56 +0400 |
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committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-06-20 05:55:56 +0400 |
commit | d0b952a9837f81cd89e756b1b34293fa6e1cb59d (patch) | |
tree | fbe488bc5f407afa0e91cefb262d9e9ee69062ac /net/ipv4/xfrm4_output.c | |
parent | d90125bfe958ed0451c6b98f831c86aba08b43d5 (diff) | |
parent | 47552c4e555eefe381f3d45140b59a2ea4b16486 (diff) | |
download | linux-d0b952a9837f81cd89e756b1b34293fa6e1cb59d.tar.xz |
Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
* master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6: (109 commits)
[ETHTOOL]: Fix UFO typo
[SCTP]: Fix persistent slowdown in sctp when a gap ack consumes rx buffer.
[SCTP]: Send only 1 window update SACK per message.
[SCTP]: Don't do CRC32C checksum over loopback.
[SCTP] Reset rtt_in_progress for the chunk when processing its sack.
[SCTP]: Reject sctp packets with broadcast addresses.
[SCTP]: Limit association max_retrans setting in setsockopt.
[PFKEYV2]: Fix inconsistent typing in struct sadb_x_kmprivate.
[IPV6]: Sum real space for RTAs.
[IRDA]: Use put_unaligned() in irlmp_do_discovery().
[BRIDGE]: Add support for NETIF_F_HW_CSUM devices
[NET]: Add NETIF_F_GEN_CSUM and NETIF_F_ALL_CSUM
[TG3]: Convert to non-LLTX
[TG3]: Remove unnecessary tx_lock
[TCP]: Add tcp_slow_start_after_idle sysctl.
[BNX2]: Update version and reldate
[BNX2]: Use CPU native page size
[BNX2]: Use compressed firmware
[BNX2]: Add firmware decompression
[BNX2]: Allow WoL settings on new 5708 chips
...
Manual fixup for conflict in drivers/net/tulip/winbond-840.c
Diffstat (limited to 'net/ipv4/xfrm4_output.c')
-rw-r--r-- | net/ipv4/xfrm4_output.c | 61 |
1 files changed, 3 insertions, 58 deletions
diff --git a/net/ipv4/xfrm4_output.c b/net/ipv4/xfrm4_output.c index 4ef8efaf6a67..ac9d91d4bb05 100644 --- a/net/ipv4/xfrm4_output.c +++ b/net/ipv4/xfrm4_output.c @@ -12,67 +12,10 @@ #include <linux/skbuff.h> #include <linux/spinlock.h> #include <linux/netfilter_ipv4.h> -#include <net/inet_ecn.h> #include <net/ip.h> #include <net/xfrm.h> #include <net/icmp.h> -/* Add encapsulation header. - * - * In transport mode, the IP header will be moved forward to make space - * for the encapsulation header. - * - * In tunnel mode, the top IP header will be constructed per RFC 2401. - * The following fields in it shall be filled in by x->type->output: - * tot_len - * check - * - * On exit, skb->h will be set to the start of the payload to be processed - * by x->type->output and skb->nh will be set to the top IP header. - */ -static void xfrm4_encap(struct sk_buff *skb) -{ - struct dst_entry *dst = skb->dst; - struct xfrm_state *x = dst->xfrm; - struct iphdr *iph, *top_iph; - int flags; - - iph = skb->nh.iph; - skb->h.ipiph = iph; - - skb->nh.raw = skb_push(skb, x->props.header_len); - top_iph = skb->nh.iph; - - if (!x->props.mode) { - skb->h.raw += iph->ihl*4; - memmove(top_iph, iph, iph->ihl*4); - return; - } - - top_iph->ihl = 5; - top_iph->version = 4; - - /* DS disclosed */ - top_iph->tos = INET_ECN_encapsulate(iph->tos, iph->tos); - - flags = x->props.flags; - if (flags & XFRM_STATE_NOECN) - IP_ECN_clear(top_iph); - - top_iph->frag_off = (flags & XFRM_STATE_NOPMTUDISC) ? - 0 : (iph->frag_off & htons(IP_DF)); - if (!top_iph->frag_off) - __ip_select_ident(top_iph, dst->child, 0); - - top_iph->ttl = dst_metric(dst->child, RTAX_HOPLIMIT); - - top_iph->saddr = x->props.saddr.a4; - top_iph->daddr = x->id.daddr.a4; - top_iph->protocol = IPPROTO_IPIP; - - memset(&(IPCB(skb)->opt), 0, sizeof(struct ip_options)); -} - static int xfrm4_tunnel_check_size(struct sk_buff *skb) { int mtu, ret = 0; @@ -121,7 +64,9 @@ static int xfrm4_output_one(struct sk_buff *skb) if (err) goto error; - xfrm4_encap(skb); + err = x->mode->output(skb); + if (err) + goto error; err = x->type->output(x, skb); if (err) |