diff options
| author | Kuniyuki Iwashima <kuniyu@amazon.com> | 2025-02-17 11:11:27 -0800 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2025-02-18 18:33:29 -0800 |
| commit | e57a6320215c3967f51ab0edeff87db2095440e4 (patch) | |
| tree | 8e6775ea09f53dfce1e7fbca09991804c05aba65 /include/net/net_namespace.h | |
| parent | f6093c5ec74d5cc495f89bd359253d9c738d04d9 (diff) | |
net: Add net_passive_inc() and net_passive_dec().
net_drop_ns() is NULL when CONFIG_NET_NS is disabled.
The next patch introduces a function that increments
and decrements net->passive.
As a prep, let's rename and export net_free() to
net_passive_dec() and add net_passive_inc().
Suggested-by: Eric Dumazet <edumazet@google.com>
Link: https://lore.kernel.org/netdev/CANn89i+oUCt2VGvrbrweniTendZFEh+nwS=uonc004-aPkWy-Q@mail.gmail.com/
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Link: https://patch.msgid.link/20250217191129.19967-2-kuniyu@amazon.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'include/net/net_namespace.h')
| -rw-r--r-- | include/net/net_namespace.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/include/net/net_namespace.h b/include/net/net_namespace.h index 7ba1402ca779..f467a66abc6b 100644 --- a/include/net/net_namespace.h +++ b/include/net/net_namespace.h @@ -297,6 +297,7 @@ static inline int check_net(const struct net *net) } void net_drop_ns(void *); +void net_passive_dec(struct net *net); #else @@ -326,8 +327,18 @@ static inline int check_net(const struct net *net) } #define net_drop_ns NULL + +static inline void net_passive_dec(struct net *net) +{ + refcount_dec(&net->passive); +} #endif +static inline void net_passive_inc(struct net *net) +{ + refcount_inc(&net->passive); +} + /* Returns true if the netns initialization is completed successfully */ static inline bool net_initialized(const struct net *net) { |