add wifi6 8852be driver

hc

2024-12-19 9370bb92b2d16684ee45cf24e879c93c509162da

 kernel/net/ipv4/tcp_cdg.c
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@@ -1,3 +1,4 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  * CAIA Delay-Gradient (CDG) congestion control
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  *
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@@ -146,7 +147,7 @@
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 		return;
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 	if (hystart_detect & HYSTART_ACK_TRAIN) {
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-		u32 now_us = div_u64(local_clock(), NSEC_PER_USEC);
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+		u32 now_us = tp->tcp_mstamp;
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 		if (ca->last_ack == 0 || !tcp_is_cwnd_limited(sk)) {
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 			ca->last_ack = now_us;
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@@ -374,6 +375,7 @@
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 	struct cdg *ca = inet_csk_ca(sk);
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 	struct tcp_sock *tp = tcp_sk(sk);
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+	ca->gradients = NULL;
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 	/* We silently fall back to window = 1 if allocation fails. */
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 	if (window > 1)
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 		ca->gradients = kcalloc(window, sizeof(ca->gradients[0]),
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@@ -387,6 +389,7 @@
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 	struct cdg *ca = inet_csk_ca(sk);
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 	kfree(ca->gradients);
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+	ca->gradients = NULL;
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 }
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 static struct tcp_congestion_ops tcp_cdg __read_mostly = {