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Use sk_mark for IPv6 routing lookups

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Atis Elsts wrote:
> Not sure if there is need to fill the mark from skb in tunnel xmit functions. In any case, it's not done for GRE or IPIP tunnels at the moment.

Ok, I'll just drop that part, I'm not sure what should be done in this case.

> Also, in this patch you are doing that for SIT (v6-in-v4) tunnels only, and not doing it for v4-in-v6 or v6-in-v6 tunnels. Any reason for that?

I just sent that patch out too quickly, here's a better one with the updates.

Add support for IPv6 route lookups using sk_mark.

Signed-off-by: Brian Haley <brian.haley@hp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Brian Haley 2009-10-05 08:24:16 +00:00 committed by David S. Miller
parent d73d3a8cb4
commit 51953d5bc4
7 changed files with 11 additions and 0 deletions
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1
net/ipv6/af_inet6.c
View file

@ -654,6 +654,7 @@ int inet6_sk_rebuild_header(struct sock *sk)
ipv6_addr_copy(&fl.fl6_src, &np->saddr);
fl.fl6_flowlabel = np->flow_label;
fl.oif = sk->sk_bound_dev_if;
fl.mark = sk->sk_mark;
fl.fl_ip_dport = inet->dport;
fl.fl_ip_sport = inet->sport;
security_sk_classify_flow(sk, &fl);

1
net/ipv6/datagram.c
View file

@ -147,6 +147,7 @@ int ip6_datagram_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len)
ipv6_addr_copy(&fl.fl6_dst, &np->daddr);
ipv6_addr_copy(&fl.fl6_src, &np->saddr);
fl.oif = sk->sk_bound_dev_if;
fl.mark = sk->sk_mark;
fl.fl_ip_dport = inet->dport;
fl.fl_ip_sport = inet->sport;

1
net/ipv6/inet6_connection_sock.c
View file

@ -194,6 +194,7 @@ int inet6_csk_xmit(struct sk_buff *skb, int ipfragok)
fl.fl6_flowlabel = np->flow_label;
IP6_ECN_flow_xmit(sk, fl.fl6_flowlabel);
fl.oif = sk->sk_bound_dev_if;
fl.mark = sk->sk_mark;
fl.fl_ip_sport = inet->sport;
fl.fl_ip_dport = inet->dport;
security_sk_classify_flow(sk, &fl);

1
net/ipv6/ipv6_sockglue.c
View file

@ -424,6 +424,7 @@ static int do_ipv6_setsockopt(struct sock *sk, int level, int optname,
fl.fl6_flowlabel = 0;
fl.oif = sk->sk_bound_dev_if;
fl.mark = sk->sk_mark;
if (optlen == 0)
goto update;

1
net/ipv6/syncookies.c
View file

@ -252,6 +252,7 @@ struct sock *cookie_v6_check(struct sock *sk, struct sk_buff *skb)
}
ipv6_addr_copy(&fl.fl6_src, &ireq6->loc_addr);
fl.oif = sk->sk_bound_dev_if;
fl.mark = sk->sk_mark;
fl.fl_ip_dport = inet_rsk(req)->rmt_port;
fl.fl_ip_sport = inet_sk(sk)->sport;
security_req_classify_flow(req, &fl);

4
net/ipv6/tcp_ipv6.c
View file

@ -243,6 +243,7 @@ static int tcp_v6_connect(struct sock *sk, struct sockaddr *uaddr,
ipv6_addr_copy(&fl.fl6_src,
(saddr ? saddr : &np->saddr));
fl.oif = sk->sk_bound_dev_if;
fl.mark = sk->sk_mark;
fl.fl_ip_dport = usin->sin6_port;
fl.fl_ip_sport = inet->sport;
@ -383,6 +384,7 @@ static void tcp_v6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
ipv6_addr_copy(&fl.fl6_dst, &np->daddr);
ipv6_addr_copy(&fl.fl6_src, &np->saddr);
fl.oif = sk->sk_bound_dev_if;
fl.mark = sk->sk_mark;
fl.fl_ip_dport = inet->dport;
fl.fl_ip_sport = inet->sport;
security_skb_classify_flow(skb, &fl);
@ -477,6 +479,7 @@ static int tcp_v6_send_synack(struct sock *sk, struct request_sock *req)
ipv6_addr_copy(&fl.fl6_src, &treq->loc_addr);
fl.fl6_flowlabel = 0;
fl.oif = treq->iif;
fl.mark = sk->sk_mark;
fl.fl_ip_dport = inet_rsk(req)->rmt_port;
fl.fl_ip_sport = inet_rsk(req)->loc_port;
security_req_classify_flow(req, &fl);
@ -1345,6 +1348,7 @@ static struct sock * tcp_v6_syn_recv_sock(struct sock *sk, struct sk_buff *skb,
}
ipv6_addr_copy(&fl.fl6_src, &treq->loc_addr);
fl.oif = sk->sk_bound_dev_if;
fl.mark = sk->sk_mark;
fl.fl_ip_dport = inet_rsk(req)->rmt_port;
fl.fl_ip_sport = inet_rsk(req)->loc_port;
security_req_classify_flow(req, &fl);

2
net/ipv6/udp.c
View file

@ -879,6 +879,8 @@ int udpv6_sendmsg(struct kiocb *iocb, struct sock *sk,
if (!fl.oif)
fl.oif = np->sticky_pktinfo.ipi6_ifindex;
fl.mark = sk->sk_mark;
if (msg->msg_controllen) {
opt = &opt_space;
memset(opt, 0, sizeof(struct ipv6_txoptions));