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-rw-r--r--include/net/tcp.h41
1 files changed, 8 insertions, 33 deletions
diff --git a/include/net/tcp.h b/include/net/tcp.h
index babfd4da1515..4e09398009c1 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -242,8 +242,6 @@ void tcp_time_wait(struct sock *sk, int state, int timeo);
/* sysctl variables for tcp */
extern int sysctl_tcp_max_orphans;
extern long sysctl_tcp_mem[3];
-extern int sysctl_tcp_wmem[3];
-extern int sysctl_tcp_rmem[3];
#define TCP_RACK_LOSS_DETECTION 0x1 /* Use RACK to detect losses */
#define TCP_RACK_STATIC_REO_WND 0x2 /* Use static RACK reo wnd */
@@ -386,7 +384,6 @@ void tcp_update_metrics(struct sock *sk);
void tcp_init_metrics(struct sock *sk);
void tcp_metrics_init(void);
bool tcp_peer_is_proven(struct request_sock *req, struct dst_entry *dst);
-void tcp_disable_fack(struct tcp_sock *tp);
void tcp_close(struct sock *sk, long timeout);
void tcp_init_sock(struct sock *sk);
void tcp_init_transfer(struct sock *sk, int bpf_op);
@@ -542,7 +539,7 @@ void tcp_push_one(struct sock *, unsigned int mss_now);
void tcp_send_ack(struct sock *sk);
void tcp_send_delayed_ack(struct sock *sk);
void tcp_send_loss_probe(struct sock *sk);
-bool tcp_schedule_loss_probe(struct sock *sk);
+bool tcp_schedule_loss_probe(struct sock *sk, bool advancing_rto);
void tcp_skb_collapse_tstamp(struct sk_buff *skb,
const struct sk_buff *next_skb);
@@ -778,7 +775,7 @@ struct tcp_skb_cb {
};
__u8 tcp_flags; /* TCP header flags. (tcp[13]) */
- __u8 sacked; /* State flags for SACK/FACK. */
+ __u8 sacked; /* State flags for SACK. */
#define TCPCB_SACKED_ACKED 0x01 /* SKB ACK'd by a SACK block */
#define TCPCB_SACKED_RETRANS 0x02 /* SKB retransmitted */
#define TCPCB_LOST 0x04 /* SKB is lost */
@@ -1005,8 +1002,8 @@ void tcp_unregister_congestion_control(struct tcp_congestion_ops *type);
void tcp_assign_congestion_control(struct sock *sk);
void tcp_init_congestion_control(struct sock *sk);
void tcp_cleanup_congestion_control(struct sock *sk);
-int tcp_set_default_congestion_control(const char *name);
-void tcp_get_default_congestion_control(char *name);
+int tcp_set_default_congestion_control(struct net *net, const char *name);
+void tcp_get_default_congestion_control(struct net *net, char *name);
void tcp_get_available_congestion_control(char *buf, size_t len);
void tcp_get_allowed_congestion_control(char *buf, size_t len);
int tcp_set_allowed_congestion_control(char *allowed);
@@ -1020,7 +1017,7 @@ void tcp_reno_cong_avoid(struct sock *sk, u32 ack, u32 acked);
extern struct tcp_congestion_ops tcp_reno;
struct tcp_congestion_ops *tcp_ca_find_key(u32 key);
-u32 tcp_ca_get_key_by_name(const char *name, bool *ecn_ca);
+u32 tcp_ca_get_key_by_name(struct net *net, const char *name, bool *ecn_ca);
#ifdef CONFIG_INET
char *tcp_ca_get_name_by_key(u32 key, char *buffer);
#else
@@ -1068,7 +1065,6 @@ void tcp_rate_check_app_limited(struct sock *sk);
*
* tcp_is_sack - SACK enabled
* tcp_is_reno - No SACK
- * tcp_is_fack - FACK enabled, implies SACK enabled
*/
static inline int tcp_is_sack(const struct tcp_sock *tp)
{
@@ -1080,16 +1076,6 @@ static inline bool tcp_is_reno(const struct tcp_sock *tp)
return !tcp_is_sack(tp);
}
-static inline bool tcp_is_fack(const struct tcp_sock *tp)
-{
- return tp->rx_opt.sack_ok & TCP_FACK_ENABLED;
-}
-
-static inline void tcp_enable_fack(struct tcp_sock *tp)
-{
- tp->rx_opt.sack_ok |= TCP_FACK_ENABLED;
-}
-
static inline unsigned int tcp_left_out(const struct tcp_sock *tp)
{
return tp->sacked_out + tp->lost_out;
@@ -1644,9 +1630,6 @@ static inline void tcp_check_send_head(struct sock *sk, struct sk_buff *skb_unli
{
if (tcp_write_queue_empty(sk))
tcp_chrono_stop(sk, TCP_CHRONO_BUSY);
-
- if (tcp_sk(sk)->highest_sack == skb_unlinked)
- tcp_sk(sk)->highest_sack = NULL;
}
static inline void __tcp_add_write_queue_tail(struct sock *sk, struct sk_buff *skb)
@@ -1659,12 +1642,8 @@ static inline void tcp_add_write_queue_tail(struct sock *sk, struct sk_buff *skb
__tcp_add_write_queue_tail(sk, skb);
/* Queue it, remembering where we must start sending. */
- if (sk->sk_write_queue.next == skb) {
+ if (sk->sk_write_queue.next == skb)
tcp_chrono_start(sk, TCP_CHRONO_BUSY);
-
- if (tcp_sk(sk)->highest_sack == NULL)
- tcp_sk(sk)->highest_sack = skb;
- }
}
/* Insert new before skb on the write queue of sk. */
@@ -1722,9 +1701,7 @@ static inline u32 tcp_highest_sack_seq(struct tcp_sock *tp)
static inline void tcp_advance_highest_sack(struct sock *sk, struct sk_buff *skb)
{
- struct sk_buff *next = skb_rb_next(skb);
-
- tcp_sk(sk)->highest_sack = next ?: tcp_send_head(sk);
+ tcp_sk(sk)->highest_sack = skb_rb_next(skb);
}
static inline struct sk_buff *tcp_highest_sack(struct sock *sk)
@@ -1734,9 +1711,7 @@ static inline struct sk_buff *tcp_highest_sack(struct sock *sk)
static inline void tcp_highest_sack_reset(struct sock *sk)
{
- struct sk_buff *skb = tcp_rtx_queue_head(sk);
-
- tcp_sk(sk)->highest_sack = skb ?: tcp_send_head(sk);
+ tcp_sk(sk)->highest_sack = tcp_rtx_queue_head(sk);
}
/* Called when old skb is about to be deleted and replaced by new skb */
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