diff options
Diffstat (limited to 'include/net/tcp.h')
| -rw-r--r-- | include/net/tcp.h | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/include/net/tcp.h b/include/net/tcp.h index 3c989db8a7aa..bfc71f954bbe 100644 --- a/include/net/tcp.h +++ b/include/net/tcp.h @@ -28,6 +28,7 @@ #include <linux/cache.h> #include <linux/percpu.h> #include <linux/skbuff.h> +#include <linux/dmaengine.h> #include <net/inet_connection_sock.h> #include <net/inet_timewait_sock.h> @@ -218,6 +219,7 @@ extern int sysctl_tcp_adv_win_scale; extern int sysctl_tcp_tw_reuse; extern int sysctl_tcp_frto; extern int sysctl_tcp_low_latency; +extern int sysctl_tcp_dma_copybreak; extern int sysctl_tcp_nometrics_save; extern int sysctl_tcp_moderate_rcvbuf; extern int sysctl_tcp_tso_win_divisor; @@ -225,6 +227,7 @@ extern int sysctl_tcp_abc; extern int sysctl_tcp_mtu_probing; extern int sysctl_tcp_base_mss; extern int sysctl_tcp_workaround_signed_windows; +extern int sysctl_tcp_slow_start_after_idle; extern atomic_t tcp_memory_allocated; extern atomic_t tcp_sockets_allocated; @@ -293,6 +296,8 @@ extern int tcp_rcv_established(struct sock *sk, extern void tcp_rcv_space_adjust(struct sock *sk); +extern void tcp_cleanup_rbuf(struct sock *sk, int copied); + extern int tcp_twsk_unique(struct sock *sk, struct sock *sktw, void *twp); @@ -628,7 +633,7 @@ struct tcp_congestion_ops { /* return slow start threshold (required) */ u32 (*ssthresh)(struct sock *sk); /* lower bound for congestion window (optional) */ - u32 (*min_cwnd)(struct sock *sk); + u32 (*min_cwnd)(const struct sock *sk); /* do new cwnd calculation (required) */ void (*cong_avoid)(struct sock *sk, u32 ack, u32 rtt, u32 in_flight, int good_ack); @@ -663,7 +668,7 @@ extern struct tcp_congestion_ops tcp_init_congestion_ops; extern u32 tcp_reno_ssthresh(struct sock *sk); extern void tcp_reno_cong_avoid(struct sock *sk, u32 ack, u32 rtt, u32 in_flight, int flag); -extern u32 tcp_reno_min_cwnd(struct sock *sk); +extern u32 tcp_reno_min_cwnd(const struct sock *sk); extern struct tcp_congestion_ops tcp_reno; static inline void tcp_set_ca_state(struct sock *sk, const u8 ca_state) @@ -817,6 +822,12 @@ static inline void tcp_prequeue_init(struct tcp_sock *tp) tp->ucopy.len = 0; tp->ucopy.memory = 0; skb_queue_head_init(&tp->ucopy.prequeue); +#ifdef CONFIG_NET_DMA + tp->ucopy.dma_chan = NULL; + tp->ucopy.wakeup = 0; + tp->ucopy.pinned_list = NULL; + tp->ucopy.dma_cookie = 0; +#endif } /* Packet is added to VJ-style prequeue for processing in process |