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netkit: Set IFLA_NETKIT_PEER_INFO to netkit_link_ops.peer_type.

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For per-netns RTNL, we need to prefetch the peer device's netns.

Let's set rtnl_link_ops.peer_type and accordingly remove duplicated
validation in ->newlink().

Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Acked-by: Nikolay Aleksandrov <razor@blackwall.org>
Link: https://patch.msgid.link/20241108004823.29419-9-kuniyu@amazon.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Kuniyuki Iwashima 2024-11-07 16:48:21 -08:00 committed by Jakub Kicinski
parent 6b84e558e9
commit fefd5d0821
1 changed files with 2 additions and 9 deletions
repo.diff.show_diff_stats Download patch file Download diff file Expand all files Collapse all files

11
drivers/net/netkit.c
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@ -351,12 +351,7 @@ static int netkit_new_link(struct net *src_net, struct net_device *dev,
if (data[IFLA_NETKIT_PEER_INFO]) {
attr = data[IFLA_NETKIT_PEER_INFO];
ifmp = nla_data(attr);
err = rtnl_nla_parse_ifinfomsg(peer_tb, attr, extack);
if (err < 0)
return err;
err = netkit_validate(peer_tb, NULL, extack);
if (err < 0)
return err;
rtnl_nla_parse_ifinfomsg(peer_tb, attr, extack);
tbp = peer_tb;
}
if (data[IFLA_NETKIT_SCRUB])
@ -391,9 +386,6 @@ static int netkit_new_link(struct net *src_net, struct net_device *dev,
return -EOPNOTSUPP;
net = rtnl_link_get_net(src_net, tbp);
if (IS_ERR(net))
return PTR_ERR(net);
peer = rtnl_create_link(net, ifname, ifname_assign_type,
&netkit_link_ops, tbp, extack);
if (IS_ERR(peer)) {
@ -978,6 +970,7 @@ static struct rtnl_link_ops netkit_link_ops = {
.fill_info = netkit_fill_info,
.policy = netkit_policy,
.validate = netkit_validate,
.peer_type = IFLA_NETKIT_PEER_INFO,
.maxtype = IFLA_NETKIT_MAX,
};