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Commit 8a966fc0 authored by David Ahern's avatar David Ahern Committed by David S. Miller
Browse files

net: ipv6: Remove l3mdev_get_saddr6 



No longer needed

Signed-off-by: default avatarDavid Ahern <dsa@cumulusnetworks.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent d66f6c0a

drivers/net/vrf.c

+0 −41
Original line number Diff line number Diff line
@@ -1084,46 +1084,6 @@ static struct dst_entry *vrf_link_scope_lookup(const struct net_device *dev, 


	return dst;

}



/* called under rcu_read_lock */

static int vrf_get_saddr6(struct net_device *dev, const struct sock *sk,

			  struct flowi6 *fl6)

{

	struct net *net = dev_net(dev);

	struct dst_entry *dst;

	struct rt6_info *rt;

	int err;



	if (rt6_need_strict(&fl6->daddr)) {

		rt = vrf_ip6_route_lookup(net, dev, fl6, fl6->flowi6_oif,

					  RT6_LOOKUP_F_IFACE);

		if (unlikely(!rt))

			return 0;



		dst = &rt->dst;

	} else {

		__u8 flags = fl6->flowi6_flags;



		fl6->flowi6_flags |= FLOWI_FLAG_L3MDEV_SRC;

		fl6->flowi6_flags |= FLOWI_FLAG_SKIP_NH_OIF;



		dst = ip6_route_output(net, sk, fl6);

		rt = (struct rt6_info *)dst;



		fl6->flowi6_flags = flags;

	}



	err = dst->error;

	if (!err) {

		err = ip6_route_get_saddr(net, rt, &fl6->daddr,

					  sk ? inet6_sk(sk)->srcprefs : 0,

					  &fl6->saddr);

	}



	dst_release(dst);



	return err;

}

#endif



static const struct l3mdev_ops vrf_l3mdev_ops = {
@@ -1133,7 +1093,6 @@ static const struct l3mdev_ops vrf_l3mdev_ops = { 
	.l3mdev_l3_out		= vrf_l3_out,

#if IS_ENABLED(CONFIG_IPV6)

	.l3mdev_link_scope_lookup = vrf_link_scope_lookup,

	.l3mdev_get_saddr6	= vrf_get_saddr6,

#endif

};

include/net/l3mdev.h

+0 −11
Original line number Diff line number Diff line
@@ -43,9 +43,6 @@ struct l3mdev_ops { 
	/* IPv6 ops */

	struct dst_entry * (*l3mdev_link_scope_lookup)(const struct net_device *dev,

						 struct flowi6 *fl6);

	int		   (*l3mdev_get_saddr6)(struct net_device *dev,

						const struct sock *sk,

						struct flowi6 *fl6);

};



#ifdef CONFIG_NET_L3_MASTER_DEV
@@ -172,8 +169,6 @@ static inline bool netif_index_is_l3_master(struct net *net, int ifindex) 
}



struct dst_entry *l3mdev_link_scope_lookup(struct net *net, struct flowi6 *fl6);

int l3mdev_get_saddr6(struct net *net, const struct sock *sk,

		      struct flowi6 *fl6);



static inline

struct sk_buff *l3mdev_l3_rcv(struct sk_buff *skb, u16 proto)
@@ -292,12 +287,6 @@ struct dst_entry *l3mdev_link_scope_lookup(struct net *net, struct flowi6 *fl6) 
	return NULL;

}



static inline int l3mdev_get_saddr6(struct net *net, const struct sock *sk,

				    struct flowi6 *fl6)

{

	return 0;

}



static inline

struct sk_buff *l3mdev_ip_rcv(struct sk_buff *skb)

{

net/ipv6/ip6_output.c

+1 −8
Original line number Diff line number Diff line
@@ -926,13 +926,6 @@ static int ip6_dst_lookup_tail(struct net *net, const struct sock *sk, 
	int err;

	int flags = 0;



	if (ipv6_addr_any(&fl6->saddr) && fl6->flowi6_oif &&

	    (!*dst || !(*dst)->error)) {

		err = l3mdev_get_saddr6(net, sk, fl6);

		if (err)

			goto out_err;

	}



	/* The correct way to handle this would be to do

	 * ip6_route_get_saddr, and then ip6_route_output; however,

	 * the route-specific preferred source forces the
@@ -1024,7 +1017,7 @@ static int ip6_dst_lookup_tail(struct net *net, const struct sock *sk, 
out_err_release:

	dst_release(*dst);

	*dst = NULL;

out_err:



	if (err == -ENETUNREACH)

		IP6_INC_STATS(net, NULL, IPSTATS_MIB_OUTNOROUTES);

	return err;

net/l3mdev/l3mdev.c

+0 −24
Original line number Diff line number Diff line
@@ -130,30 +130,6 @@ struct dst_entry *l3mdev_link_scope_lookup(struct net *net, 
}

EXPORT_SYMBOL_GPL(l3mdev_link_scope_lookup);



int l3mdev_get_saddr6(struct net *net, const struct sock *sk,

		      struct flowi6 *fl6)

{

	struct net_device *dev;

	int rc = 0;



	if (fl6->flowi6_oif) {

		rcu_read_lock();



		dev = dev_get_by_index_rcu(net, fl6->flowi6_oif);

		if (dev && netif_is_l3_slave(dev))

			dev = netdev_master_upper_dev_get_rcu(dev);



		if (dev && netif_is_l3_master(dev) &&

		    dev->l3mdev_ops->l3mdev_get_saddr6)

			rc = dev->l3mdev_ops->l3mdev_get_saddr6(dev, sk, fl6);



		rcu_read_unlock();

	}



	return rc;

}

EXPORT_SYMBOL_GPL(l3mdev_get_saddr6);



/**

 *	l3mdev_fib_rule_match - Determine if flowi references an

 *				L3 master device