[IPV6]: Support IPV6_{RECV,}TCLASS socket options / ancillary data.

[net-next-2.6.git] / net / ipv6 / icmp.c

diff --git a/net/ipv6/icmp.c b/net/ipv6/icmp.c
index fa8f1bb0aa52926d4fe1808cedb81a611fbf2885..34e99c55e8562d0a91b84e8caf20e30d28a8793a 100644 (file)
--- a/net/ipv6/icmp.c
+++ b/net/ipv6/icmp.c
@@ -287,7 +287,7 @@ void icmpv6_send(struct sk_buff *skb, int type, int code, __u32 info,
        int iif = 0;
        int addr_type = 0;
        int len;
-       int hlimit;
+       int hlimit, tclass;
        int err = 0;
 
        if ((u8*)hdr < skb->head || (u8*)(hdr+1) > skb->tail)
@@ -385,6 +385,10 @@ void icmpv6_send(struct sk_buff *skb, int type, int code, __u32 info,
        if (hlimit < 0)
                hlimit = ipv6_get_hoplimit(dst->dev);
 
+       tclass = np->cork.tclass;
+       if (tclass < 0)
+               tclass = 0;
+
        msg.skb = skb;
        msg.offset = skb->nh.raw - skb->data;
 
@@ -400,7 +404,7 @@ void icmpv6_send(struct sk_buff *skb, int type, int code, __u32 info,
        err = ip6_append_data(sk, icmpv6_getfrag, &msg,
                              len + sizeof(struct icmp6hdr),
                              sizeof(struct icmp6hdr),
-                             hlimit, NULL, &fl, (struct rt6_info*)dst,
+                             hlimit, tclass, NULL, &fl, (struct rt6_info*)dst,
                              MSG_DONTWAIT);
        if (err) {
                ip6_flush_pending_frames(sk);
@@ -434,6 +438,7 @@ static void icmpv6_echo_reply(struct sk_buff *skb)
        struct dst_entry *dst;
        int err = 0;
        int hlimit;
+       int tclass;
 
        saddr = &skb->nh.ipv6h->daddr;
 
@@ -475,13 +480,17 @@ static void icmpv6_echo_reply(struct sk_buff *skb)
        if (hlimit < 0)
                hlimit = ipv6_get_hoplimit(dst->dev);
 
+       tclass = np->cork.tclass;
+       if (tclass < 0)
+               tclass = 0;
+
        idev = in6_dev_get(skb->dev);
 
        msg.skb = skb;
        msg.offset = 0;
 
        err = ip6_append_data(sk, icmpv6_getfrag, &msg, skb->len + sizeof(struct icmp6hdr),
-                               sizeof(struct icmp6hdr), hlimit, NULL, &fl,
+                               sizeof(struct icmp6hdr), hlimit, tclass, NULL, &fl,
                                (struct rt6_info*)dst, MSG_DONTWAIT);
 
        if (err) {