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Diffstat (limited to 'net/ipv6/ip6_output.c')
-rw-r--r--net/ipv6/ip6_output.c33
1 files changed, 27 insertions, 6 deletions
diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
index 387030d2483c..bd121f9ae0a7 100644
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -29,7 +29,7 @@
29 */ 29 */
30 30
31#include <linux/errno.h> 31#include <linux/errno.h>
32#include <linux/types.h> 32#include <linux/kernel.h>
33#include <linux/string.h> 33#include <linux/string.h>
34#include <linux/socket.h> 34#include <linux/socket.h>
35#include <linux/net.h> 35#include <linux/net.h>
@@ -70,6 +70,31 @@ static __inline__ void ipv6_select_ident(struct sk_buff *skb, struct frag_hdr *f
70 spin_unlock_bh(&ip6_id_lock); 70 spin_unlock_bh(&ip6_id_lock);
71} 71}
72 72
73int __ip6_local_out(struct sk_buff *skb)
74{
75 int len;
76
77 len = skb->len - sizeof(struct ipv6hdr);
78 if (len > IPV6_MAXPLEN)
79 len = 0;
80 ipv6_hdr(skb)->payload_len = htons(len);
81
82 return nf_hook(PF_INET6, NF_IP6_LOCAL_OUT, skb, NULL, skb->dst->dev,
83 dst_output);
84}
85
86int ip6_local_out(struct sk_buff *skb)
87{
88 int err;
89
90 err = __ip6_local_out(skb);
91 if (likely(err == 1))
92 err = dst_output(skb);
93
94 return err;
95}
96EXPORT_SYMBOL_GPL(ip6_local_out);
97
73static int ip6_output_finish(struct sk_buff *skb) 98static int ip6_output_finish(struct sk_buff *skb)
74{ 99{
75 struct dst_entry *dst = skb->dst; 100 struct dst_entry *dst = skb->dst;
@@ -1403,10 +1428,6 @@ int ip6_push_pending_frames(struct sock *sk)
1403 *(__be32*)hdr = fl->fl6_flowlabel | 1428 *(__be32*)hdr = fl->fl6_flowlabel |
1404 htonl(0x60000000 | ((int)np->cork.tclass << 20)); 1429 htonl(0x60000000 | ((int)np->cork.tclass << 20));
1405 1430
1406 if (skb->len <= sizeof(struct ipv6hdr) + IPV6_MAXPLEN)
1407 hdr->payload_len = htons(skb->len - sizeof(struct ipv6hdr));
1408 else
1409 hdr->payload_len = 0;
1410 hdr->hop_limit = np->cork.hop_limit; 1431 hdr->hop_limit = np->cork.hop_limit;
1411 hdr->nexthdr = proto; 1432 hdr->nexthdr = proto;
1412 ipv6_addr_copy(&hdr->saddr, &fl->fl6_src); 1433 ipv6_addr_copy(&hdr->saddr, &fl->fl6_src);
@@ -1423,7 +1444,7 @@ int ip6_push_pending_frames(struct sock *sk)
1423 ICMP6_INC_STATS_BH(idev, ICMP6_MIB_OUTMSGS); 1444 ICMP6_INC_STATS_BH(idev, ICMP6_MIB_OUTMSGS);
1424 } 1445 }
1425 1446
1426 err = NF_HOOK(PF_INET6, NF_IP6_LOCAL_OUT, skb, NULL, skb->dst->dev, dst_output); 1447 err = ip6_local_out(skb);
1427 if (err) { 1448 if (err) {
1428 if (err > 0) 1449 if (err > 0)
1429 err = np->recverr ? net_xmit_errno(err) : 0; 1450 err = np->recverr ? net_xmit_errno(err) : 0;