diff --git a/net/mptcp/protocol.c b/net/mptcp/protocol.c index 080877f8daf7..c709f654cd5a 100644 --- a/net/mptcp/protocol.c +++ b/net/mptcp/protocol.c @@ -496,7 +496,7 @@ static void mptcp_cleanup_rbuf(struct mptcp_sock *msk, int copied) bool cleanup, rx_empty; cleanup = (space > 0) && (space >= (old_space << 1)) && copied; - rx_empty = !__mptcp_rmem(sk) && copied; + rx_empty = !sk_rmem_alloc_get(sk) && copied; mptcp_for_each_subflow(msk, subflow) { struct sock *ssk = mptcp_subflow_tcp_sock(subflow); @@ -645,7 +645,7 @@ static bool __mptcp_move_skbs_from_subflow(struct mptcp_sock *msk, WRITE_ONCE(tp->copied_seq, seq); more_data_avail = mptcp_subflow_data_available(ssk); - if (atomic_read(&sk->sk_rmem_alloc) > sk->sk_rcvbuf) { + if (sk_rmem_alloc_get(sk) > sk->sk_rcvbuf) { done = true; break; } @@ -782,7 +782,7 @@ static void __mptcp_data_ready(struct sock *sk, struct sock *ssk) __mptcp_rcvbuf_update(sk, ssk); /* over limit? can't append more skbs to msk, Also, no need to wake-up*/ - if (__mptcp_rmem(sk) > sk->sk_rcvbuf) + if (sk_rmem_alloc_get(sk) > sk->sk_rcvbuf) return; /* Wake-up the reader only for in-sequence data */ @@ -2049,7 +2049,7 @@ static bool __mptcp_move_skbs(struct sock *sk) mptcp_for_each_subflow(msk, subflow) __mptcp_rcvbuf_update(sk, subflow->tcp_sock); - if (__mptcp_rmem(sk) > sk->sk_rcvbuf) + if (sk_rmem_alloc_get(sk) > sk->sk_rcvbuf) return false; do { diff --git a/net/mptcp/protocol.h b/net/mptcp/protocol.h index 613d556ed938..a1a077bae7b6 100644 --- a/net/mptcp/protocol.h +++ b/net/mptcp/protocol.h @@ -380,14 +380,6 @@ static inline void msk_owned_by_me(const struct mptcp_sock *msk) #define mptcp_sk(ptr) container_of_const(ptr, struct mptcp_sock, sk.icsk_inet.sk) #endif -/* the msk socket don't use the backlog, also account for the bulk - * free memory - */ -static inline int __mptcp_rmem(const struct sock *sk) -{ - return atomic_read(&sk->sk_rmem_alloc); -} - static inline int mptcp_win_from_space(const struct sock *sk, int space) { return __tcp_win_from_space(mptcp_sk(sk)->scaling_ratio, space); @@ -400,7 +392,8 @@ static inline int mptcp_space_from_win(const struct sock *sk, int win) static inline int __mptcp_space(const struct sock *sk) { - return mptcp_win_from_space(sk, READ_ONCE(sk->sk_rcvbuf) - __mptcp_rmem(sk)); + return mptcp_win_from_space(sk, READ_ONCE(sk->sk_rcvbuf) - + sk_rmem_alloc_get(sk)); } static inline struct mptcp_data_frag *mptcp_send_head(const struct sock *sk)