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| author | Eric Dumazet <eric.dumazet@gmail.com> | 2010-07-20 22:03:14 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-07-22 13:46:21 -0700 |
| commit | 963bfeeeec913d135c15dc400f2f86cb62655d81 (patch) | |
| tree | 73a5117b91580637df8c5c7e21ff40656eb93904 | |
| parent | e955cead031177b083fbf18d04a03c06e330a439 (diff) | |
| download | op-kernel-dev-963bfeeeec913d135c15dc400f2f86cb62655d81.zip op-kernel-dev-963bfeeeec913d135c15dc400f2f86cb62655d81.tar.gz | |
net: RTA_MARK addition
Add a new rt attribute, RTA_MARK, and use it in
rt_fill_info()/inet_rtm_getroute() to support following commands :
ip route get 192.168.20.110 mark NUMBER
ip route get 192.168.20.108 from 192.168.20.110 iif eth1 mark NUMBER
ip route list cache [192.168.20.110] mark NUMBER
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | include/linux/rtnetlink.h | 1 | ||||
| -rw-r--r-- | net/ipv4/route.c | 7 |
2 files changed, 8 insertions, 0 deletions
diff --git a/include/linux/rtnetlink.h b/include/linux/rtnetlink.h index fbc8cb0..58d4449 100644 --- a/include/linux/rtnetlink.h +++ b/include/linux/rtnetlink.h @@ -282,6 +282,7 @@ enum rtattr_type_t { RTA_SESSION, /* no longer used */ RTA_MP_ALGO, /* no longer used */ RTA_TABLE, + RTA_MARK, __RTA_MAX }; diff --git a/net/ipv4/route.c b/net/ipv4/route.c index 562ce92..3f56b6e 100644 --- a/net/ipv4/route.c +++ b/net/ipv4/route.c @@ -2878,6 +2878,9 @@ static int rt_fill_info(struct net *net, if (rtnetlink_put_metrics(skb, rt->dst.metrics) < 0) goto nla_put_failure; + if (rt->fl.mark) + NLA_PUT_BE32(skb, RTA_MARK, rt->fl.mark); + error = rt->dst.error; expires = rt->dst.expires ? rt->dst.expires - jiffies : 0; if (rt->peer) { @@ -2933,6 +2936,7 @@ static int inet_rtm_getroute(struct sk_buff *in_skb, struct nlmsghdr* nlh, void __be32 src = 0; u32 iif; int err; + int mark; struct sk_buff *skb; err = nlmsg_parse(nlh, sizeof(*rtm), tb, RTA_MAX, rtm_ipv4_policy); @@ -2960,6 +2964,7 @@ static int inet_rtm_getroute(struct sk_buff *in_skb, struct nlmsghdr* nlh, void src = tb[RTA_SRC] ? nla_get_be32(tb[RTA_SRC]) : 0; dst = tb[RTA_DST] ? nla_get_be32(tb[RTA_DST]) : 0; iif = tb[RTA_IIF] ? nla_get_u32(tb[RTA_IIF]) : 0; + mark = tb[RTA_MARK] ? nla_get_u32(tb[RTA_MARK]) : 0; if (iif) { struct net_device *dev; @@ -2972,6 +2977,7 @@ static int inet_rtm_getroute(struct sk_buff *in_skb, struct nlmsghdr* nlh, void skb->protocol = htons(ETH_P_IP); skb->dev = dev; + skb->mark = mark; local_bh_disable(); err = ip_route_input(skb, dst, src, rtm->rtm_tos, dev); local_bh_enable(); @@ -2989,6 +2995,7 @@ static int inet_rtm_getroute(struct sk_buff *in_skb, struct nlmsghdr* nlh, void }, }, .oif = tb[RTA_OIF] ? nla_get_u32(tb[RTA_OIF]) : 0, + .mark = mark, }; err = ip_route_output_key(net, &rt, &fl); } |
