Commit da0e28cb authored by Denis V. Lunev's avatar Denis V. Lunev Committed by David S. Miller
Browse files

[NETNS]: Add netns parameter to fib_lookup. 



Signed-off-by: default avatarDenis V. Lunev <den@openvz.org>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent ba93ef74

include/net/ip_fib.h

+5 −4
Original line number Diff line number Diff line
@@ -178,15 +178,16 @@ static inline struct fib_table *fib_new_table(struct net *net, u32 id) 
	return fib_get_table(net, id);

}



static inline int fib_lookup(const struct flowi *flp, struct fib_result *res)

static inline int fib_lookup(struct net *net, const struct flowi *flp,

			     struct fib_result *res)

{

	struct fib_table *table;



	table = fib_get_table(&init_net, RT_TABLE_LOCAL);

	table = fib_get_table(net, RT_TABLE_LOCAL);

	if (!table->tb_lookup(table, flp, res))

		return 0;



	table = fib_get_table(&init_net, RT_TABLE_MAIN);

	table = fib_get_table(net, RT_TABLE_MAIN);

	if (!table->tb_lookup(table, flp, res))

		return 0;

	return -ENETUNREACH;
@@ -208,7 +209,7 @@ extern void __net_exit fib4_rules_exit(struct net *net); 
extern u32 fib_rules_tclass(struct fib_result *res);

#endif



extern int fib_lookup(struct flowi *flp, struct fib_result *res);

extern int fib_lookup(struct net *n, struct flowi *flp, struct fib_result *res);



extern struct fib_table *fib_new_table(struct net *net, u32 id);

extern struct fib_table *fib_get_table(struct net *net, u32 id);

net/ipv4/fib_frontend.c

+2 −2
Original line number Diff line number Diff line
@@ -241,7 +241,7 @@ int fib_validate_source(__be32 src, __be32 dst, u8 tos, int oif, 
	if (in_dev == NULL)

		goto e_inval;



	if (fib_lookup(&fl, &res))

	if (fib_lookup(&init_net, &fl, &res))

		goto last_resort;

	if (res.type != RTN_UNICAST)

		goto e_inval_res;
@@ -265,7 +265,7 @@ int fib_validate_source(__be32 src, __be32 dst, u8 tos, int oif, 
	fl.oif = dev->ifindex;



	ret = 0;

	if (fib_lookup(&fl, &res) == 0) {

	if (fib_lookup(&init_net, &fl, &res) == 0) {

		if (res.type == RTN_UNICAST) {

			*spec_dst = FIB_RES_PREFSRC(res);

			ret = FIB_RES_NH(res).nh_scope >= RT_SCOPE_HOST;

net/ipv4/fib_rules.c

+2 −2
Original line number Diff line number Diff line
@@ -54,14 +54,14 @@ u32 fib_rules_tclass(struct fib_result *res) 
}

#endif



int fib_lookup(struct flowi *flp, struct fib_result *res)

int fib_lookup(struct net *net, struct flowi *flp, struct fib_result *res)

{

	struct fib_lookup_arg arg = {

		.result = res,

	};

	int err;



	err = fib_rules_lookup(init_net.ipv4.rules_ops, flp, 0, &arg);

	err = fib_rules_lookup(net->ipv4.rules_ops, flp, 0, &arg);

	res->r = arg.rule;



	return err;

net/ipv4/fib_semantics.c

+1 −1
Original line number Diff line number Diff line
@@ -559,7 +559,7 @@ static int fib_check_nh(struct fib_config *cfg, struct fib_info *fi, 
			/* It is not necessary, but requires a bit of thinking */

			if (fl.fl4_scope < RT_SCOPE_LINK)

				fl.fl4_scope = RT_SCOPE_LINK;

			if ((err = fib_lookup(&fl, &res)) != 0)

			if ((err = fib_lookup(&init_net, &fl, &res)) != 0)

				return err;

		}

		err = -EINVAL;

net/ipv4/route.c

+3 −3
Original line number Diff line number Diff line
@@ -1559,7 +1559,7 @@ void ip_rt_get_source(u8 *addr, struct rtable *rt) 


	if (rt->fl.iif == 0)

		src = rt->rt_src;

	else if (fib_lookup(&rt->fl, &res) == 0) {

	else if (fib_lookup(&init_net, &rt->fl, &res) == 0) {

		src = FIB_RES_PREFSRC(res);

		fib_res_put(&res);

	} else
@@ -1911,7 +1911,7 @@ static int ip_route_input_slow(struct sk_buff *skb, __be32 daddr, __be32 saddr, 
	/*

	 *	Now we are ready to route packet.

	 */

	if ((err = fib_lookup(&fl, &res)) != 0) {

	if ((err = fib_lookup(&init_net, &fl, &res)) != 0) {

		if (!IN_DEV_FORWARD(in_dev))

			goto e_hostunreach;

		goto no_route;
@@ -2363,7 +2363,7 @@ static int ip_route_output_slow(struct rtable **rp, const struct flowi *oldflp) 
		goto make_route;

	}



	if (fib_lookup(&fl, &res)) {

	if (fib_lookup(&init_net, &fl, &res)) {

		res.fi = NULL;

		if (oldflp->oif) {

			/* Apparently, routing tables are wrong. Assume,