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Diffstat (limited to 'include/net/sock.h')
-rw-r--r--include/net/sock.h57
1 files changed, 32 insertions, 25 deletions
diff --git a/include/net/sock.h b/include/net/sock.h
index c47c635c9d19..63731289186a 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -72,6 +72,7 @@
#include <net/tcp_states.h>
#include <linux/net_tstamp.h>
#include <net/smc.h>
+#include <net/l3mdev.h>
/*
* This structure really needs to be cleaned up.
@@ -1262,6 +1263,7 @@ proto_memory_pressure(struct proto *prot)
/* Called with local bh disabled */
void sock_prot_inuse_add(struct net *net, struct proto *prot, int inc);
int sock_prot_inuse_get(struct net *net, struct proto *proto);
+int sock_inuse_get(struct net *net);
#else
static inline void sock_prot_inuse_add(struct net *net, struct proto *prot,
int inc)
@@ -2335,31 +2337,6 @@ static inline bool sk_listener(const struct sock *sk)
return (1 << sk->sk_state) & (TCPF_LISTEN | TCPF_NEW_SYN_RECV);
}
-/**
- * sk_state_load - read sk->sk_state for lockless contexts
- * @sk: socket pointer
- *
- * Paired with sk_state_store(). Used in places we do not hold socket lock :
- * tcp_diag_get_info(), tcp_get_info(), tcp_poll(), get_tcp4_sock() ...
- */
-static inline int sk_state_load(const struct sock *sk)
-{
- return smp_load_acquire(&sk->sk_state);
-}
-
-/**
- * sk_state_store - update sk->sk_state
- * @sk: socket pointer
- * @newstate: new state
- *
- * Paired with sk_state_load(). Should be used in contexts where
- * state change might impact lockless readers.
- */
-static inline void sk_state_store(struct sock *sk, int newstate)
-{
- smp_store_release(&sk->sk_state, newstate);
-}
-
void sock_enable_timestamp(struct sock *sk, int flag);
int sock_get_timestamp(struct sock *, struct timeval __user *);
int sock_get_timestampns(struct sock *, struct timespec __user *);
@@ -2410,4 +2387,34 @@ static inline int sk_get_rmem0(const struct sock *sk, const struct proto *proto)
return *proto->sysctl_rmem;
}
+/* Default TCP Small queue budget is ~1 ms of data (1sec >> 10)
+ * Some wifi drivers need to tweak it to get more chunks.
+ * They can use this helper from their ndo_start_xmit()
+ */
+static inline void sk_pacing_shift_update(struct sock *sk, int val)
+{
+ if (!sk || !sk_fullsock(sk) || sk->sk_pacing_shift == val)
+ return;
+ sk->sk_pacing_shift = val;
+}
+
+/* if a socket is bound to a device, check that the given device
+ * index is either the same or that the socket is bound to an L3
+ * master device and the given device index is also enslaved to
+ * that L3 master
+ */
+static inline bool sk_dev_equal_l3scope(struct sock *sk, int dif)
+{
+ int mdif;
+
+ if (!sk->sk_bound_dev_if || sk->sk_bound_dev_if == dif)
+ return true;
+
+ mdif = l3mdev_master_ifindex_by_index(sock_net(sk), dif);
+ if (mdif && mdif == sk->sk_bound_dev_if)
+ return true;
+
+ return false;
+}
+
#endif /* _SOCK_H */