修改内核路径

hc

2024-05-14 bedbef8ad3e75a304af6361af235302bcc61d06b

 kernel/net/ipv4/tcp_rate.c
..
..
@@ -1,3 +1,4 @@
1
+// SPDX-License-Identifier: GPL-2.0-only
1
2
 #include <net/tcp.h>
2
3
 
3
4
 /* The bandwidth estimator estimates the rate at which the network
..
..
@@ -55,8 +56,10 @@
55
56
 	  * bandwidth estimate.
56
57
 	  */
57
58
 	if (!tp->packets_out) {
58
-		tp->first_tx_mstamp  = skb->skb_mstamp;
59
-		tp->delivered_mstamp = skb->skb_mstamp;
59
+		u64 tstamp_us = tcp_skb_timestamp_us(skb);
60
+
61
+		tp->first_tx_mstamp  = tstamp_us;
62
+		tp->delivered_mstamp = tstamp_us;
60
63
 	}
61
64
 
62
65
 	TCP_SKB_CB(skb)->tx.first_tx_mstamp	= tp->first_tx_mstamp;
..
..
@@ -88,13 +91,12 @@
88
91
 		rs->is_app_limited   = scb->tx.is_app_limited;
89
92
 		rs->is_retrans	     = scb->sacked & TCPCB_RETRANS;
90
93
 
91
-		/* Find the duration of the "send phase" of this window: */
92
-		rs->interval_us      = tcp_stamp_us_delta(
93
-						skb->skb_mstamp,
94
-						scb->tx.first_tx_mstamp);
95
-
96
94
 		/* Record send time of most recently ACKed packet: */
97
-		tp->first_tx_mstamp  = skb->skb_mstamp;
95
+		tp->first_tx_mstamp  = tcp_skb_timestamp_us(skb);
96
+		/* Find the duration of the "send phase" of this window: */
97
+		rs->interval_us = tcp_stamp_us_delta(tp->first_tx_mstamp,
98
+						     scb->tx.first_tx_mstamp);
99
+
98
100
 	}
99
101
 	/* Mark off the skb delivered once it's sacked to avoid being
100
102
 	 * used again when it's cumulatively acked. For acked packets