diff --git a/include/uapi/linux/rtnetlink.h b/include/uapi/linux/rtnetlink.h index 702024769c74..06625b401422 100644 --- a/include/uapi/linux/rtnetlink.h +++ b/include/uapi/linux/rtnetlink.h @@ -270,6 +270,7 @@ enum rt_scope_t { #define RTM_F_CLONED 0x200 /* This route is cloned */ #define RTM_F_EQUALIZE 0x400 /* Multipath equalizer: NI */ #define RTM_F_PREFIX 0x800 /* Prefix addresses */ +#define RTM_F_LOOKUP_TABLE 0x1000 /* set rtm_table to FIB lookup result */ /* Reserved table identifiers */ diff --git a/net/ipv4/route.c b/net/ipv4/route.c index 92acc95b7578..da427a4a33fe 100644 --- a/net/ipv4/route.c +++ b/net/ipv4/route.c @@ -2305,7 +2305,7 @@ struct rtable *ip_route_output_flow(struct net *net, struct flowi4 *flp4, } EXPORT_SYMBOL_GPL(ip_route_output_flow); -static int rt_fill_info(struct net *net, __be32 dst, __be32 src, +static int rt_fill_info(struct net *net, __be32 dst, __be32 src, u32 table_id, struct flowi4 *fl4, struct sk_buff *skb, u32 portid, u32 seq, int event, int nowait, unsigned int flags) { @@ -2325,8 +2325,8 @@ static int rt_fill_info(struct net *net, __be32 dst, __be32 src, r->rtm_dst_len = 32; r->rtm_src_len = 0; r->rtm_tos = fl4->flowi4_tos; - r->rtm_table = RT_TABLE_MAIN; - if (nla_put_u32(skb, RTA_TABLE, RT_TABLE_MAIN)) + r->rtm_table = table_id; + if (nla_put_u32(skb, RTA_TABLE, table_id)) goto nla_put_failure; r->rtm_type = rt->rt_type; r->rtm_scope = RT_SCOPE_UNIVERSE; @@ -2431,6 +2431,7 @@ static int inet_rtm_getroute(struct sk_buff *in_skb, struct nlmsghdr *nlh) int err; int mark; struct sk_buff *skb; + u32 table_id = RT_TABLE_MAIN; err = nlmsg_parse(nlh, sizeof(*rtm), tb, RTA_MAX, rtm_ipv4_policy); if (err < 0) @@ -2500,7 +2501,10 @@ static int inet_rtm_getroute(struct sk_buff *in_skb, struct nlmsghdr *nlh) if (rtm->rtm_flags & RTM_F_NOTIFY) rt->rt_flags |= RTCF_NOTIFY; - err = rt_fill_info(net, dst, src, &fl4, skb, + if (rtm->rtm_flags & RTM_F_LOOKUP_TABLE) + table_id = rt->rt_table_id; + + err = rt_fill_info(net, dst, src, table_id, &fl4, skb, NETLINK_CB(in_skb).portid, nlh->nlmsg_seq, RTM_NEWROUTE, 0, 0); if (err < 0)