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ipv4: Prepare rtable for IPv6 gateway

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To allow the gateway to be either an IPv4 or IPv6 address, remove
rt_uses_gateway from rtable and replace with rt_gw_family. If
rt_gw_family is set it implies rt_uses_gateway. Rename rt_gateway
to rt_gw4 to represent the IPv4 version.

Signed-off-by: David Ahern <dsahern@gmail.com>
Reviewed-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David Ahern
2019-04-05 16:30:27 -07:00
committed by David S. Miller
parent bdf0046771
commit 1550c17193
13 changed files with 57 additions and 45 deletions
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6
drivers/net/appletalk/ipddp.c
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@@ -116,11 +116,15 @@ static struct net_device * __init ipddp_init(void)
*/
static netdev_tx_t ipddp_xmit(struct sk_buff *skb, struct net_device *dev)
{
__be32 paddr = skb_rtable(skb)->rt_gateway;
struct rtable *rtable = skb_rtable(skb);
__be32 paddr = 0;
struct ddpehdr *ddp;
struct ipddp_route *rt;
struct atalk_addr *our_addr;
if (rtable->rt_gw_family == AF_INET)
paddr = rtable->rt_gw4;
spin_lock(&ipddp_route_lock);
/*