修改4g拨号为QMI,需要在系统里后台执行quectel-CM

hc

2024-10-22 8ac6c7a54ed1b98d142dce24b11c6de6a1e239a5

 kernel/net/dccp/input.c
..
..
@@ -1,13 +1,9 @@
1
+// SPDX-License-Identifier: GPL-2.0-or-later
1
2
 /*
2
3
  *  net/dccp/input.c
3
4
  *
4
5
  *  An implementation of the DCCP protocol
5
6
  *  Arnaldo Carvalho de Melo <acme@conectiva.com.br>
6
- *
7
- *	This program is free software; you can redistribute it and/or
8
- *	modify it under the terms of the GNU General Public License
9
- *	as published by the Free Software Foundation; either version
10
- *	2 of the License, or (at your option) any later version.
11
7
  */
12
8
 
13
9
 #include <linux/dccp.h>
..
..
@@ -68,7 +64,7 @@
68
64
 		 */
69
65
 		if (dccp_sk(sk)->dccps_role != DCCP_ROLE_CLIENT)
70
66
 			break;
71
-		/* fall through */
67
+		fallthrough;
72
68
 	case DCCP_REQUESTING:
73
69
 	case DCCP_ACTIVE_CLOSEREQ:
74
70
 		dccp_send_reset(sk, DCCP_RESET_CODE_CLOSED);
..
..
@@ -80,7 +76,7 @@
80
76
 		queued = 1;
81
77
 		dccp_fin(sk, skb);
82
78
 		dccp_set_state(sk, DCCP_PASSIVE_CLOSE);
83
-		/* fall through */
79
+		fallthrough;
84
80
 	case DCCP_PASSIVE_CLOSE:
85
81
 		/*
86
82
 		 * Retransmitted Close: we have already enqueued the first one.
..
..
@@ -117,7 +113,7 @@
117
113
 		queued = 1;
118
114
 		dccp_fin(sk, skb);
119
115
 		dccp_set_state(sk, DCCP_PASSIVE_CLOSEREQ);
120
-		/* fall through */
116
+		fallthrough;
121
117
 	case DCCP_PASSIVE_CLOSEREQ:
122
118
 		sk_wake_async(sk, SOCK_WAKE_WAITD, POLL_HUP);
123
119
 	}
..
..
@@ -480,7 +476,7 @@
480
476
 			sk_wake_async(sk, SOCK_WAKE_IO, POLL_OUT);
481
477
 		}
482
478
 
483
-		if (sk->sk_write_pending || icsk->icsk_ack.pingpong ||
479
+		if (sk->sk_write_pending || inet_csk_in_pingpong_mode(sk) ||
484
480
 		    icsk->icsk_accept_queue.rskq_defer_accept) {
485
481
 			/* Save one ACK. Data will be ready after
486
482
 			 * several ticks, if write_pending is set.
..
..
@@ -534,7 +530,7 @@
534
530
 	case DCCP_PKT_DATA:
535
531
 		if (sk->sk_state == DCCP_RESPOND)
536
532
 			break;
537
-		/* fall through */
533
+		fallthrough;
538
534
 	case DCCP_PKT_DATAACK:
539
535
 	case DCCP_PKT_ACK:
540
536
 		/*
..
..
@@ -688,7 +684,7 @@
688
684
 		/* Step 8: if using Ack Vectors, mark packet acknowledgeable */
689
685
 		dccp_handle_ackvec_processing(sk, skb);
690
686
 		dccp_deliver_input_to_ccids(sk, skb);
691
-		/* fall through */
687
+		fallthrough;
692
688
 	case DCCP_RESPOND:
693
689
 		queued = dccp_rcv_respond_partopen_state_process(sk, skb,
694
690
 								 dh, len);
..
..
@@ -719,6 +715,7 @@
719
715
 
720
716
 /**
721
717
  *  dccp_sample_rtt  -  Validate and finalise computation of RTT sample
718
+ *  @sk:	socket structure
722
719
  *  @delta:	number of microseconds between packet and acknowledgment
723
720
  *
724
721
  *  The routine is kept generic to work in different contexts. It should be