diff mbox series

[v1,net-next,6/8] netkit: Set IFLA_NETKIT_PEER_INFO to netkit_link_ops.peer_type.

Message ID 20241105020514.41963-7-kuniyu@amazon.com (mailing list archive)
State Superseded
Delegated to: Netdev Maintainers
Headers show
Series rtnetlink: Convert rtnl_newlink() to per-netns RTNL. | expand

Checks

Context Check Description
netdev/series_format success Posting correctly formatted
netdev/tree_selection success Clearly marked for net-next
netdev/ynl success Generated files up to date; no warnings/errors; no diff in generated;
netdev/fixes_present success Fixes tag not required for -next series
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 3 this patch: 3
netdev/build_tools success No tools touched, skip
netdev/cc_maintainers warning 1 maintainers not CCed: bpf@vger.kernel.org
netdev/build_clang success Errors and warnings before: 3 this patch: 3
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/deprecated_api success None detected
netdev/check_selftest success No net selftest shell script
netdev/verify_fixes success No Fixes tag
netdev/build_allmodconfig_warn success Errors and warnings before: 4 this patch: 4
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 29 lines checked
netdev/build_clang_rust success No Rust files in patch. Skipping build
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0
netdev/contest fail net-next-2024-11-05--09-00 (tests: 777)

Commit Message

Kuniyuki Iwashima Nov. 5, 2024, 2:05 a.m. UTC 
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>
---
 drivers/net/netkit.c | 11 ++---------
 1 file changed, 2 insertions(+), 9 deletions(-)

Comments

Eric Dumazet Nov. 5, 2024, 10:39 a.m. UTC | #1 
On Tue, Nov 5, 2024 at 3:07 AM Kuniyuki Iwashima <kuniyu@amazon.com> wrote:
>
> 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>
diff mbox series

Patch

diff --git a/drivers/net/netkit.c b/drivers/net/netkit.c
index cd8360b9bbde..bb07725d1c72 100644
--- a/drivers/net/netkit.c
+++ b/drivers/net/netkit.c
@@ -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,
 };