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Date: Wed, 2 Sep 2015 13:58:35 -0700
From: David Ahern <dsa@...ulusnetworks.com>
To: netdev@...r.kernel.org
Cc: tgraf@...g.ch, David Ahern <dsa@...ulusnetworks.com>
Subject: [PATCH net-next 2/3] net: Add FIB table id to rtable
Add the FIB table id to rtable to make the information available for
IPv4 as it is for IPv6.
Signed-off-by: David Ahern <dsa@...ulusnetworks.com>
---
drivers/net/vrf.c | 2 ++
include/net/route.h | 2 ++
net/ipv4/route.c | 8 ++++++++
net/ipv4/xfrm4_policy.c | 1 +
4 files changed, 13 insertions(+)
diff --git a/drivers/net/vrf.c b/drivers/net/vrf.c
index e7094fbd7568..8c9ab5ebea23 100644
--- a/drivers/net/vrf.c
+++ b/drivers/net/vrf.c
@@ -320,6 +320,7 @@ static void vrf_rtable_destroy(struct net_vrf *vrf)
static struct rtable *vrf_rtable_create(struct net_device *dev)
{
+ struct net_vrf *vrf = netdev_priv(dev);
struct rtable *rth;
rth = dst_alloc(&vrf_dst_ops, dev, 2,
@@ -335,6 +336,7 @@ static struct rtable *vrf_rtable_create(struct net_device *dev)
rth->rt_pmtu = 0;
rth->rt_gateway = 0;
rth->rt_uses_gateway = 0;
+ rth->rt_table_id = vrf->tb_id;
INIT_LIST_HEAD(&rth->rt_uncached);
rth->rt_uncached_list = NULL;
}
diff --git a/include/net/route.h b/include/net/route.h
index cc61cb95f059..10a7d21a211c 100644
--- a/include/net/route.h
+++ b/include/net/route.h
@@ -64,6 +64,8 @@ struct rtable {
/* Miscellaneous cached information */
u32 rt_pmtu;
+ u32 rt_table_id;
+
struct list_head rt_uncached;
struct uncached_list *rt_uncached_list;
};
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index eaefeadce07c..92acc95b7578 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -1457,6 +1457,7 @@ static struct rtable *rt_dst_alloc(struct net_device *dev,
rt->rt_pmtu = 0;
rt->rt_gateway = 0;
rt->rt_uses_gateway = 0;
+ rt->rt_table_id = 0;
INIT_LIST_HEAD(&rt->rt_uncached);
rt->dst.output = ip_output;
@@ -1629,6 +1630,8 @@ static int __mkroute_input(struct sk_buff *skb,
}
rth->rt_is_input = 1;
+ if (res->table)
+ rth->rt_table_id = res->table->tb_id;
RT_CACHE_STAT_INC(in_slow_tot);
rth->dst.input = ip_forward;
@@ -1808,6 +1811,8 @@ out: return err;
rth->dst.tclassid = itag;
#endif
rth->rt_is_input = 1;
+ if (res.table)
+ rth->rt_table_id = res.table->tb_id;
RT_CACHE_STAT_INC(in_slow_tot);
if (res.type == RTN_UNREACHABLE) {
@@ -1988,6 +1993,9 @@ static struct rtable *__mkroute_output(const struct fib_result *res,
return ERR_PTR(-ENOBUFS);
rth->rt_iif = orig_oif ? : 0;
+ if (res->table)
+ rth->rt_table_id = res->table->tb_id;
+
RT_CACHE_STAT_INC(out_slow_tot);
if (flags & (RTCF_BROADCAST | RTCF_MULTICAST)) {
diff --git a/net/ipv4/xfrm4_policy.c b/net/ipv4/xfrm4_policy.c
index bb919b28619f..671011055ad5 100644
--- a/net/ipv4/xfrm4_policy.c
+++ b/net/ipv4/xfrm4_policy.c
@@ -95,6 +95,7 @@ static int xfrm4_fill_dst(struct xfrm_dst *xdst, struct net_device *dev,
xdst->u.rt.rt_gateway = rt->rt_gateway;
xdst->u.rt.rt_uses_gateway = rt->rt_uses_gateway;
xdst->u.rt.rt_pmtu = rt->rt_pmtu;
+ xdst->u.rt.rt_table_id = rt->rt_table_id;
INIT_LIST_HEAD(&xdst->u.rt.rt_uncached);
return 0;
--
1.9.1
--
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