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authorLaszlo Attila Toth <panther@balabit.hu>2008-01-30 19:08:16 -0800
committerDavid S. Miller <davem@davemloft.net>2008-01-31 19:27:19 -0800
commit4a19ec5800fc3bb64e2d87c4d9fdd9e636086fe0 (patch)
tree610bd4e7dbcbdae25ba3806f4256745e98617825 /net/ipv6
parent036c2e27bc3a6498afb35de017d810194032d765 (diff)
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[NET]: Introducing socket mark socket option.
A userspace program may wish to set the mark for each packets its send without using the netfilter MARK target. Changing the mark can be used for mark based routing without netfilter or for packet filtering. It requires CAP_NET_ADMIN capability. Signed-off-by: Laszlo Attila Toth <panther@balabit.hu> Acked-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv6')
-rw-r--r--net/ipv6/ip6_output.c2
-rw-r--r--net/ipv6/raw.c3
2 files changed, 5 insertions, 0 deletions
diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
index cfe9e70..9ac6ca2 100644
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -257,6 +257,7 @@ int ip6_xmit(struct sock *sk, struct sk_buff *skb, struct flowi *fl,
ipv6_addr_copy(&hdr->daddr, first_hop);
skb->priority = sk->sk_priority;
+ skb->mark = sk->sk_mark;
mtu = dst_mtu(dst);
if ((skb->len <= mtu) || ipfragok || skb_is_gso(skb)) {
@@ -1439,6 +1440,7 @@ int ip6_push_pending_frames(struct sock *sk)
ipv6_addr_copy(&hdr->daddr, final_dst);
skb->priority = sk->sk_priority;
+ skb->mark = sk->sk_mark;
skb->dst = dst_clone(&rt->u.dst);
IP6_INC_STATS(rt->rt6i_idev, IPSTATS_MIB_OUTREQUESTS);
diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c
index 4d88055..d61c63d 100644
--- a/net/ipv6/raw.c
+++ b/net/ipv6/raw.c
@@ -641,6 +641,7 @@ static int rawv6_send_hdrinc(struct sock *sk, void *from, int length,
skb_reserve(skb, hh_len);
skb->priority = sk->sk_priority;
+ skb->mark = sk->sk_mark;
skb->dst = dst_clone(&rt->u.dst);
skb_put(skb, length);
@@ -767,6 +768,8 @@ static int rawv6_sendmsg(struct kiocb *iocb, struct sock *sk,
*/
memset(&fl, 0, sizeof(fl));
+ fl.mark = sk->sk_mark;
+
if (sin6) {
if (addr_len < SIN6_LEN_RFC2133)
return -EINVAL;