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net: devlink: store copy netdevice ifindex and ifname to allow port_fill() without RTNL held

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To avoid a need to take RTNL mutex in port_fill() function, benefit from
the introduce infrastructure that tracks netdevice notifier events.
Store the ifindex and ifname upon register and change name events.
Remove the rtnl_held bool propagated down to port_fill() function as it
is no longer needed.

Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Jiri Pirko
2022-11-02 17:02:07 +01:00
committed by Jakub Kicinski
parent d0f5172629
commit 31265c1e29
2 changed files with 29 additions and 41 deletions
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2
include/net/devlink.h
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@@ -129,6 +129,8 @@ struct devlink_port {
union {
struct {
struct net_device *netdev;
int ifindex;
char ifname[IFNAMSIZ];
} type_eth;
struct {
struct ib_device *ibdev;