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-rw-r--r--include/net/sock.h22
1 files changed, 22 insertions, 0 deletions
diff --git a/include/net/sock.h b/include/net/sock.h
index 6f1be9726e02..688a823dccc3 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -1101,8 +1101,12 @@ struct proto {
*/
unsigned long *memory_pressure;
long *sysctl_mem;
+
int *sysctl_wmem;
int *sysctl_rmem;
+ u32 sysctl_wmem_offset;
+ u32 sysctl_rmem_offset;
+
int max_header;
bool no_autobind;
@@ -2390,4 +2394,22 @@ extern int sysctl_optmem_max;
extern __u32 sysctl_wmem_default;
extern __u32 sysctl_rmem_default;
+static inline int sk_get_wmem0(const struct sock *sk, const struct proto *proto)
+{
+ /* Does this proto have per netns sysctl_wmem ? */
+ if (proto->sysctl_wmem_offset)
+ return *(int *)((void *)sock_net(sk) + proto->sysctl_wmem_offset);
+
+ return *proto->sysctl_wmem;
+}
+
+static inline int sk_get_rmem0(const struct sock *sk, const struct proto *proto)
+{
+ /* Does this proto have per netns sysctl_rmem ? */
+ if (proto->sysctl_rmem_offset)
+ return *(int *)((void *)sock_net(sk) + proto->sysctl_rmem_offset);
+
+ return *proto->sysctl_rmem;
+}
+
#endif /* _SOCK_H */