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authorDavid Ahern <dsahern@gmail.com>2019-04-06 02:30:26 +0300
committerDavid S. Miller <davem@davemloft.net>2019-04-09 01:22:40 +0300
commitbdf004677107e3b847c5db09c9fbf8edefa24996 (patch)
treec0df291ae563fc3a8ea801243a77b77a9334ea61 /net/ipv4/fib_semantics.c
parent71df5777aaaeff673c242a49b945b1b96fe81718 (diff)
downloadlinux-bdf004677107e3b847c5db09c9fbf8edefa24996.tar.xz
net: Replace nhc_has_gw with nhc_gw_family
Allow the gateway in a fib_nh_common to be from a different address family than the outer fib{6}_nh. To that end, replace nhc_has_gw with nhc_gw_family and update users of nhc_has_gw to check nhc_gw_family. Now nhc_family is used to know if the nh_common is part of a fib_nh or fib6_nh (used for container_of to get to route family specific data), and nhc_gw_family represents the address family for the gateway. Signed-off-by: David Ahern <dsahern@gmail.com> Reviewed-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/fib_semantics.c')
-rw-r--r--net/ipv4/fib_semantics.c25
1 files changed, 11 insertions, 14 deletions
diff --git a/net/ipv4/fib_semantics.c b/net/ipv4/fib_semantics.c
index 8e0cb1687a74..e11f78c6373f 100644
--- a/net/ipv4/fib_semantics.c
+++ b/net/ipv4/fib_semantics.c
@@ -513,7 +513,7 @@ int fib_nh_init(struct net *net, struct fib_nh *nh,
nh->fib_nh_oif = cfg->fc_oif;
if (cfg->fc_gw) {
nh->fib_nh_gw4 = cfg->fc_gw;
- nh->fib_nh_has_gw = 1;
+ nh->fib_nh_gw_family = AF_INET;
}
nh->fib_nh_flags = cfg->fc_flags;
@@ -1238,7 +1238,7 @@ struct fib_info *fib_create_info(struct fib_config *cfg,
"Route with host scope can not have multiple nexthops");
goto err_inval;
}
- if (nh->fib_nh_gw4) {
+ if (nh->fib_nh_gw_family) {
NL_SET_ERR_MSG(extack,
"Route with host scope can not have a gateway");
goto err_inval;
@@ -1341,18 +1341,15 @@ int fib_nexthop_info(struct sk_buff *skb, const struct fib_nh_common *nhc,
rcu_read_unlock();
}
- if (nhc->nhc_has_gw) {
- switch (nhc->nhc_family) {
- case AF_INET:
- if (nla_put_in_addr(skb, RTA_GATEWAY, nhc->nhc_gw.ipv4))
- goto nla_put_failure;
- break;
- case AF_INET6:
- if (nla_put_in6_addr(skb, RTA_GATEWAY,
- &nhc->nhc_gw.ipv6) < 0)
- goto nla_put_failure;
- break;
- }
+ switch (nhc->nhc_gw_family) {
+ case AF_INET:
+ if (nla_put_in_addr(skb, RTA_GATEWAY, nhc->nhc_gw.ipv4))
+ goto nla_put_failure;
+ break;
+ case AF_INET6:
+ if (nla_put_in6_addr(skb, RTA_GATEWAY, &nhc->nhc_gw.ipv6) < 0)
+ goto nla_put_failure;
+ break;
}
*flags |= (nhc->nhc_flags & RTNH_F_ONLINK);