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/rds/recv.c
..
..
@@ -43,18 +43,14 @@
43
43
 void rds_inc_init(struct rds_incoming *inc, struct rds_connection *conn,
44
44
 		 struct in6_addr *saddr)
45
45
 {
46
-	int i;
47
-
48
46
 	refcount_set(&inc->i_refcount, 1);
49
47
 	INIT_LIST_HEAD(&inc->i_item);
50
48
 	inc->i_conn = conn;
51
49
 	inc->i_saddr = *saddr;
52
-	inc->i_rdma_cookie = 0;
53
-	inc->i_rx_tstamp.tv_sec = 0;
54
-	inc->i_rx_tstamp.tv_usec = 0;
50
+	inc->i_usercopy.rdma_cookie = 0;
51
+	inc->i_usercopy.rx_tstamp = ktime_set(0, 0);
55
52
 
56
-	for (i = 0; i < RDS_RX_MAX_TRACES; i++)
57
-		inc->i_rx_lat_trace[i] = 0;
53
+	memset(inc->i_rx_lat_trace, 0, sizeof(inc->i_rx_lat_trace));
58
54
 }
59
55
 EXPORT_SYMBOL_GPL(rds_inc_init);
60
56
 
..
..
@@ -66,9 +62,8 @@
66
62
 	inc->i_conn = cp->cp_conn;
67
63
 	inc->i_conn_path = cp;
68
64
 	inc->i_saddr = *saddr;
69
-	inc->i_rdma_cookie = 0;
70
-	inc->i_rx_tstamp.tv_sec = 0;
71
-	inc->i_rx_tstamp.tv_usec = 0;
65
+	inc->i_usercopy.rdma_cookie = 0;
66
+	inc->i_usercopy.rx_tstamp = ktime_set(0, 0);
72
67
 }
73
68
 EXPORT_SYMBOL_GPL(rds_inc_path_init);
74
69
 
..
..
@@ -191,7 +186,7 @@
191
186
 		case RDS_EXTHDR_RDMA_DEST:
192
187
 			/* We ignore the size for now. We could stash it
193
188
 			 * somewhere and use it for error checking. */
194
-			inc->i_rdma_cookie = rds_rdma_make_cookie(
189
+			inc->i_usercopy.rdma_cookie = rds_rdma_make_cookie(
195
190
 					be32_to_cpu(buffer.rdma_dest.h_rdma_rkey),
196
191
 					be32_to_cpu(buffer.rdma_dest.h_rdma_offset));
197
192
 
..
..
@@ -385,7 +380,7 @@
385
380
 				      be32_to_cpu(inc->i_hdr.h_len),
386
381
 				      inc->i_hdr.h_dport);
387
382
 		if (sock_flag(sk, SOCK_RCVTSTAMP))
388
-			do_gettimeofday(&inc->i_rx_tstamp);
383
+			inc->i_usercopy.rx_tstamp = ktime_get_real();
389
384
 		rds_inc_addref(inc);
390
385
 		inc->i_rx_lat_trace[RDS_MSG_RX_END] = local_clock();
391
386
 		list_add_tail(&inc->i_item, &rs->rs_recv_queue);
..
..
@@ -546,18 +541,32 @@
546
541
 {
547
542
 	int ret = 0;
548
543
 
549
-	if (inc->i_rdma_cookie) {
544
+	if (inc->i_usercopy.rdma_cookie) {
550
545
 		ret = put_cmsg(msg, SOL_RDS, RDS_CMSG_RDMA_DEST,
551
-				sizeof(inc->i_rdma_cookie), &inc->i_rdma_cookie);
546
+				sizeof(inc->i_usercopy.rdma_cookie),
547
+				&inc->i_usercopy.rdma_cookie);
552
548
 		if (ret)
553
549
 			goto out;
554
550
 	}
555
551
 
556
-	if ((inc->i_rx_tstamp.tv_sec != 0) &&
552
+	if ((inc->i_usercopy.rx_tstamp != 0) &&
557
553
 	    sock_flag(rds_rs_to_sk(rs), SOCK_RCVTSTAMP)) {
558
-		ret = put_cmsg(msg, SOL_SOCKET, SCM_TIMESTAMP,
559
-			       sizeof(struct timeval),
560
-			       &inc->i_rx_tstamp);
554
+		struct __kernel_old_timeval tv =
555
+			ns_to_kernel_old_timeval(inc->i_usercopy.rx_tstamp);
556
+
557
+		if (!sock_flag(rds_rs_to_sk(rs), SOCK_TSTAMP_NEW)) {
558
+			ret = put_cmsg(msg, SOL_SOCKET, SO_TIMESTAMP_OLD,
559
+				       sizeof(tv), &tv);
560
+		} else {
561
+			struct __kernel_sock_timeval sk_tv;
562
+
563
+			sk_tv.tv_sec = tv.tv_sec;
564
+			sk_tv.tv_usec = tv.tv_usec;
565
+
566
+			ret = put_cmsg(msg, SOL_SOCKET, SO_TIMESTAMP_NEW,
567
+				       sizeof(sk_tv), &sk_tv);
568
+		}
569
+
561
570
 		if (ret)
562
571
 			goto out;
563
572
 	}
..
..
@@ -776,6 +785,7 @@
776
785
 
777
786
 	minfo.seq = be64_to_cpu(inc->i_hdr.h_sequence);
778
787
 	minfo.len = be32_to_cpu(inc->i_hdr.h_len);
788
+	minfo.tos = inc->i_conn->c_tos;
779
789
 
780
790
 	if (flip) {
781
791
 		minfo.laddr = daddr;
..
..
@@ -804,7 +814,7 @@
804
814
 
805
815
 	minfo6.seq = be64_to_cpu(inc->i_hdr.h_sequence);
806
816
 	minfo6.len = be32_to_cpu(inc->i_hdr.h_len);
807
-	minfo6.tos = 0;
817
+	minfo6.tos = inc->i_conn->c_tos;
808
818
 
809
819
 	if (flip) {
810
820
 		minfo6.laddr = *daddr;