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authorTakashi Iwai <tiwai@suse.de>2023-10-31 09:01:25 +0100
committerTakashi Iwai <tiwai@suse.de>2023-10-31 09:01:25 +0100
commit2dc15ff73b6a7b47db0e848498cb5b0479e781c6 (patch)
treed93457787d3349dadcbbf7691650ebdb1d0cd883 /net/ipv4/tcp_output.c
parentc468b5dd759ede754b23cbc9c50b048a781d4217 (diff)
parentbdb7e1922052b1e7fcce63e2cfa195958ff97e05 (diff)
Merge tag 'asoc-v6.7-2' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Updates for v6.7 More updates for v6,7 following the early merge request: - Fixes for handling of component name prefixing when name prefixes are used by the machine driver. - Fixes for noise when stopping some Sounwire CODECs. - Support for AMD ACP 6.3 and 7.0, Awinc AW88399, more Intel platforms and more Qualcomm SC7180 platforms.
Diffstat (limited to 'net/ipv4/tcp_output.c')
-rw-r--r--net/ipv4/tcp_output.c33
1 files changed, 23 insertions, 10 deletions
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index ccfc8bbf7455..f0723460753c 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -177,8 +177,7 @@ static void tcp_event_data_sent(struct tcp_sock *tp,
}
/* Account for an ACK we sent. */
-static inline void tcp_event_ack_sent(struct sock *sk, unsigned int pkts,
- u32 rcv_nxt)
+static inline void tcp_event_ack_sent(struct sock *sk, u32 rcv_nxt)
{
struct tcp_sock *tp = tcp_sk(sk);
@@ -192,7 +191,7 @@ static inline void tcp_event_ack_sent(struct sock *sk, unsigned int pkts,
if (unlikely(rcv_nxt != tp->rcv_nxt))
return; /* Special ACK sent by DCTCP to reflect ECN */
- tcp_dec_quickack_mode(sk, pkts);
+ tcp_dec_quickack_mode(sk);
inet_csk_clear_xmit_timer(sk, ICSK_TIME_DACK);
}
@@ -1387,7 +1386,7 @@ static int __tcp_transmit_skb(struct sock *sk, struct sk_buff *skb,
sk, skb);
if (likely(tcb->tcp_flags & TCPHDR_ACK))
- tcp_event_ack_sent(sk, tcp_skb_pcount(skb), rcv_nxt);
+ tcp_event_ack_sent(sk, rcv_nxt);
if (skb->len != tcp_header_size) {
tcp_event_data_sent(tp, sk);
@@ -2457,6 +2456,7 @@ static int tcp_mtu_probe(struct sock *sk)
/* build the payload, and be prepared to abort if this fails. */
if (tcp_clone_payload(sk, nskb, probe_size)) {
+ tcp_skb_tsorted_anchor_cleanup(nskb);
consume_skb(nskb);
return -1;
}
@@ -2542,6 +2542,18 @@ static bool tcp_pacing_check(struct sock *sk)
return true;
}
+static bool tcp_rtx_queue_empty_or_single_skb(const struct sock *sk)
+{
+ const struct rb_node *node = sk->tcp_rtx_queue.rb_node;
+
+ /* No skb in the rtx queue. */
+ if (!node)
+ return true;
+
+ /* Only one skb in rtx queue. */
+ return !node->rb_left && !node->rb_right;
+}
+
/* TCP Small Queues :
* Control number of packets in qdisc/devices to two packets / or ~1 ms.
* (These limits are doubled for retransmits)
@@ -2579,12 +2591,12 @@ static bool tcp_small_queue_check(struct sock *sk, const struct sk_buff *skb,
limit += extra_bytes;
}
if (refcount_read(&sk->sk_wmem_alloc) > limit) {
- /* Always send skb if rtx queue is empty.
+ /* Always send skb if rtx queue is empty or has one skb.
* No need to wait for TX completion to call us back,
* after softirq/tasklet schedule.
* This helps when TX completions are delayed too much.
*/
- if (tcp_rtx_queue_empty(sk))
+ if (tcp_rtx_queue_empty_or_single_skb(sk))
return false;
set_bit(TSQ_THROTTLED, &sk->sk_tsq_flags);
@@ -2788,7 +2800,7 @@ bool tcp_schedule_loss_probe(struct sock *sk, bool advancing_rto)
{
struct inet_connection_sock *icsk = inet_csk(sk);
struct tcp_sock *tp = tcp_sk(sk);
- u32 timeout, rto_delta_us;
+ u32 timeout, timeout_us, rto_delta_us;
int early_retrans;
/* Don't do any loss probe on a Fast Open connection before 3WHS
@@ -2812,11 +2824,12 @@ bool tcp_schedule_loss_probe(struct sock *sk, bool advancing_rto)
* sample is available then probe after TCP_TIMEOUT_INIT.
*/
if (tp->srtt_us) {
- timeout = usecs_to_jiffies(tp->srtt_us >> 2);
+ timeout_us = tp->srtt_us >> 2;
if (tp->packets_out == 1)
- timeout += TCP_RTO_MIN;
+ timeout_us += tcp_rto_min_us(sk);
else
- timeout += TCP_TIMEOUT_MIN;
+ timeout_us += TCP_TIMEOUT_MIN_US;
+ timeout = usecs_to_jiffies(timeout_us);
} else {
timeout = TCP_TIMEOUT_INIT;
}