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/ipv6/raw.c
..
..
@@ -1,3 +1,4 @@
1
+// SPDX-License-Identifier: GPL-2.0-or-later
1
2
 /*
2
3
  *	RAW sockets for IPv6
3
4
  *	Linux INET6 implementation
..
..
@@ -11,11 +12,6 @@
11
12
  *	Hideaki YOSHIFUJI	:	sin6_scope_id support
12
13
  *	YOSHIFUJI,H.@USAGI	:	raw checksum (RFC2292(bis) compliance)
13
14
  *	Kazunori MIYAZAWA @USAGI:	change process style to use ip6_append_data
14
- *
15
- *	This program is free software; you can redistribute it and/or
16
- *      modify it under the terms of the GNU General Public License
17
- *      as published by the Free Software Foundation; either version
18
- *      2 of the License, or (at your option) any later version.
19
15
  */
20
16
 
21
17
 #include <linux/errno.h>
..
..
@@ -86,9 +82,8 @@
86
82
 			    !ipv6_addr_equal(&sk->sk_v6_daddr, rmt_addr))
87
83
 				continue;
88
84
 
89
-			if (sk->sk_bound_dev_if &&
90
-			    sk->sk_bound_dev_if != dif &&
91
-			    sk->sk_bound_dev_if != sdif)
85
+			if (!raw_sk_bound_dev_eq(net, sk->sk_bound_dev_if,
86
+						 dif, sdif))
92
87
 				continue;
93
88
 
94
89
 			if (!ipv6_addr_any(&sk->sk_v6_rcv_saddr)) {
..
..
@@ -220,7 +215,7 @@
220
215
 
221
216
 			/* Not releasing hash table! */
222
217
 			if (clone) {
223
-				nf_reset(clone);
218
+				nf_reset_ct(clone);
224
219
 				rawv6_rcv(sk, clone);
225
220
 			}
226
221
 		}
..
..
@@ -544,6 +539,7 @@
544
539
 static int rawv6_push_pending_frames(struct sock *sk, struct flowi6 *fl6,
545
540
 				     struct raw6_sock *rp)
546
541
 {
542
+	struct ipv6_txoptions *opt;
547
543
 	struct sk_buff *skb;
548
544
 	int err = 0;
549
545
 	int offset;
..
..
@@ -561,6 +557,9 @@
561
557
 
562
558
 	offset = rp->offset;
563
559
 	total_len = inet_sk(sk)->cork.base.length;
560
+	opt = inet6_sk(sk)->cork.opt;
561
+	total_len -= opt ? opt->opt_flen : 0;
562
+
564
563
 	if (offset >= total_len - 1) {
565
564
 		err = -EINVAL;
566
565
 		ip6_flush_pending_frames(sk);
..
..
@@ -651,7 +650,7 @@
651
650
 
652
651
 	skb->protocol = htons(ETH_P_IPV6);
653
652
 	skb->priority = sk->sk_priority;
654
-	skb->mark = sk->sk_mark;
653
+	skb->mark = sockc->mark;
655
654
 	skb->tstamp = sockc->transmit_time;
656
655
 
657
656
 	skb_put(skb, length);
..
..
@@ -660,7 +659,7 @@
660
659
 
661
660
 	skb->ip_summed = CHECKSUM_NONE;
662
661
 
663
-	sock_tx_timestamp(sk, sockc->tsflags, &skb_shinfo(skb)->tx_flags);
662
+	skb_setup_tx_timestamp(skb, sockc->tsflags);
664
663
 
665
664
 	if (flags & MSG_CONFIRM)
666
665
 		skb_set_dst_pending_confirm(skb, 1);
..
..
@@ -751,7 +750,7 @@
751
750
 			skb->csum = csum_block_add(
752
751
 				skb->csum,
753
752
 				csum_partial_copy_nocheck(rfv->c + offset,
754
-							  to, copy, 0),
753
+							  to, copy),
755
754
 				odd);
756
755
 
757
756
 		odd = 0;
..
..
@@ -815,6 +814,7 @@
815
814
 
816
815
 	ipcm6_init(&ipc6);
817
816
 	ipc6.sockc.tsflags = sk->sk_tsflags;
817
+	ipc6.sockc.mark = sk->sk_mark;
818
818
 
819
819
 	if (sin6) {
820
820
 		if (addr_len < SIN6_LEN_RFC2133)
..
..
@@ -828,7 +828,8 @@
828
828
 
829
829
 		if (!proto)
830
830
 			proto = inet->inet_num;
831
-		else if (proto != inet->inet_num)
831
+		else if (proto != inet->inet_num &&
832
+			 inet->inet_num != IPPROTO_RAW)
832
833
 			return -EINVAL;
833
834
 
834
835
 		if (proto > 255)
..
..
@@ -839,7 +840,7 @@
839
840
 			fl6.flowlabel = sin6->sin6_flowinfo&IPV6_FLOWINFO_MASK;
840
841
 			if (fl6.flowlabel&IPV6_FLOWLABEL_MASK) {
841
842
 				flowlabel = fl6_sock_lookup(sk, fl6.flowlabel);
842
-				if (!flowlabel)
843
+				if (IS_ERR(flowlabel))
843
844
 					return -EINVAL;
844
845
 			}
845
846
 		}
..
..
@@ -881,7 +882,7 @@
881
882
 		}
882
883
 		if ((fl6.flowlabel&IPV6_FLOWLABEL_MASK) && !flowlabel) {
883
884
 			flowlabel = fl6_sock_lookup(sk, fl6.flowlabel);
884
-			if (!flowlabel)
885
+			if (IS_ERR(flowlabel))
885
886
 				return -EINVAL;
886
887
 		}
887
888
 		if (!(opt->opt_nflen|opt->opt_flen))
..
..
@@ -896,6 +897,7 @@
896
897
 	opt = ipv6_fixup_options(&opt_space, opt);
897
898
 
898
899
 	fl6.flowi6_proto = proto;
900
+	fl6.flowi6_mark = ipc6.sockc.mark;
899
901
 
900
902
 	if (!hdrincl) {
901
903
 		rfv.msg = msg;
..
..
@@ -918,7 +920,7 @@
918
920
 		fl6.flowi6_oif = np->mcast_oif;
919
921
 	else if (!fl6.flowi6_oif)
920
922
 		fl6.flowi6_oif = np->ucast_oif;
921
-	security_sk_classify_flow(sk, flowi6_to_flowi(&fl6));
923
+	security_sk_classify_flow(sk, flowi6_to_flowi_common(&fl6));
922
924
 
923
925
 	if (hdrincl)
924
926
 		fl6.flowi6_flags |= FLOWI_FLAG_KNOWN_NH;
..
..
@@ -975,13 +977,13 @@
975
977
 }
976
978
 
977
979
 static int rawv6_seticmpfilter(struct sock *sk, int level, int optname,
978
-			       char __user *optval, int optlen)
980
+			       sockptr_t optval, int optlen)
979
981
 {
980
982
 	switch (optname) {
981
983
 	case ICMPV6_FILTER:
982
984
 		if (optlen > sizeof(struct icmp6_filter))
983
985
 			optlen = sizeof(struct icmp6_filter);
984
-		if (copy_from_user(&raw6_sk(sk)->filter, optval, optlen))
986
+		if (copy_from_sockptr(&raw6_sk(sk)->filter, optval, optlen))
985
987
 			return -EFAULT;
986
988
 		return 0;
987
989
 	default:
..
..
@@ -1018,12 +1020,15 @@
1018
1020
 
1019
1021
 
1020
1022
 static int do_rawv6_setsockopt(struct sock *sk, int level, int optname,
1021
-			    char __user *optval, unsigned int optlen)
1023
+			       sockptr_t optval, unsigned int optlen)
1022
1024
 {
1023
1025
 	struct raw6_sock *rp = raw6_sk(sk);
1024
1026
 	int val;
1025
1027
 
1026
-	if (get_user(val, (int __user *)optval))
1028
+	if (optlen < sizeof(val))
1029
+		return -EINVAL;
1030
+
1031
+	if (copy_from_sockptr(&val, optval, sizeof(val)))
1027
1032
 		return -EFAULT;
1028
1033
 
1029
1034
 	switch (optname) {
..
..
@@ -1065,7 +1070,7 @@
1065
1070
 }
1066
1071
 
1067
1072
 static int rawv6_setsockopt(struct sock *sk, int level, int optname,
1068
-			  char __user *optval, unsigned int optlen)
1073
+			    sockptr_t optval, unsigned int optlen)
1069
1074
 {
1070
1075
 	switch (level) {
1071
1076
 	case SOL_RAW:
..
..
@@ -1079,37 +1084,13 @@
1079
1084
 		if (optname == IPV6_CHECKSUM ||
1080
1085
 		    optname == IPV6_HDRINCL)
1081
1086
 			break;
1082
-		/* fall through */
1087
+		fallthrough;
1083
1088
 	default:
1084
1089
 		return ipv6_setsockopt(sk, level, optname, optval, optlen);
1085
1090
 	}
1086
1091
 
1087
1092
 	return do_rawv6_setsockopt(sk, level, optname, optval, optlen);
1088
1093
 }
1089
-
1090
-#ifdef CONFIG_COMPAT
1091
-static int compat_rawv6_setsockopt(struct sock *sk, int level, int optname,
1092
-				   char __user *optval, unsigned int optlen)
1093
-{
1094
-	switch (level) {
1095
-	case SOL_RAW:
1096
-		break;
1097
-	case SOL_ICMPV6:
1098
-		if (inet_sk(sk)->inet_num != IPPROTO_ICMPV6)
1099
-			return -EOPNOTSUPP;
1100
-		return rawv6_seticmpfilter(sk, level, optname, optval, optlen);
1101
-	case SOL_IPV6:
1102
-		if (optname == IPV6_CHECKSUM ||
1103
-		    optname == IPV6_HDRINCL)
1104
-			break;
1105
-		/* fall through */
1106
-	default:
1107
-		return compat_ipv6_setsockopt(sk, level, optname,
1108
-					      optval, optlen);
1109
-	}
1110
-	return do_rawv6_setsockopt(sk, level, optname, optval, optlen);
1111
-}
1112
-#endif
1113
1094
 
1114
1095
 static int do_rawv6_getsockopt(struct sock *sk, int level, int optname,
1115
1096
 			    char __user *optval, int __user *optlen)
..
..
@@ -1164,37 +1145,13 @@
1164
1145
 		if (optname == IPV6_CHECKSUM ||
1165
1146
 		    optname == IPV6_HDRINCL)
1166
1147
 			break;
1167
-		/* fall through */
1148
+		fallthrough;
1168
1149
 	default:
1169
1150
 		return ipv6_getsockopt(sk, level, optname, optval, optlen);
1170
1151
 	}
1171
1152
 
1172
1153
 	return do_rawv6_getsockopt(sk, level, optname, optval, optlen);
1173
1154
 }
1174
-
1175
-#ifdef CONFIG_COMPAT
1176
-static int compat_rawv6_getsockopt(struct sock *sk, int level, int optname,
1177
-				   char __user *optval, int __user *optlen)
1178
-{
1179
-	switch (level) {
1180
-	case SOL_RAW:
1181
-		break;
1182
-	case SOL_ICMPV6:
1183
-		if (inet_sk(sk)->inet_num != IPPROTO_ICMPV6)
1184
-			return -EOPNOTSUPP;
1185
-		return rawv6_geticmpfilter(sk, level, optname, optval, optlen);
1186
-	case SOL_IPV6:
1187
-		if (optname == IPV6_CHECKSUM ||
1188
-		    optname == IPV6_HDRINCL)
1189
-			break;
1190
-		/* fall through */
1191
-	default:
1192
-		return compat_ipv6_getsockopt(sk, level, optname,
1193
-					      optval, optlen);
1194
-	}
1195
-	return do_rawv6_getsockopt(sk, level, optname, optval, optlen);
1196
-}
1197
-#endif
1198
1155
 
1199
1156
 static int rawv6_ioctl(struct sock *sk, int cmd, unsigned long arg)
1200
1157
 {
..
..
@@ -1255,8 +1212,6 @@
1255
1212
 	lock_sock(sk);
1256
1213
 	ip6_flush_pending_frames(sk);
1257
1214
 	release_sock(sk);
1258
-
1259
-	inet6_destroy_sock(sk);
1260
1215
 }
1261
1216
 
1262
1217
 static int rawv6_init_sk(struct sock *sk)
..
..
@@ -1300,8 +1255,6 @@
1300
1255
 	.usersize	   = sizeof_field(struct raw6_sock, filter),
1301
1256
 	.h.raw_hash	   = &raw_v6_hashinfo,
1302
1257
 #ifdef CONFIG_COMPAT
1303
-	.compat_setsockopt = compat_rawv6_setsockopt,
1304
-	.compat_getsockopt = compat_rawv6_getsockopt,
1305
1258
 	.compat_ioctl	   = compat_rawv6_ioctl,
1306
1259
 #endif
1307
1260
 	.diag_destroy	   = raw_abort,
..
..
@@ -1370,6 +1323,7 @@
1370
1323
 	.getname	   = inet6_getname,
1371
1324
 	.poll		   = datagram_poll,		/* ok		*/
1372
1325
 	.ioctl		   = inet6_ioctl,		/* must change  */
1326
+	.gettstamp	   = sock_gettstamp,
1373
1327
 	.listen		   = sock_no_listen,		/* ok		*/
1374
1328
 	.shutdown	   = inet_shutdown,		/* ok		*/
1375
1329
 	.setsockopt	   = sock_common_setsockopt,	/* ok		*/
..
..
@@ -1379,8 +1333,7 @@
1379
1333
 	.mmap		   = sock_no_mmap,
1380
1334
 	.sendpage	   = sock_no_sendpage,
1381
1335
 #ifdef CONFIG_COMPAT
1382
-	.compat_setsockopt = compat_sock_common_setsockopt,
1383
-	.compat_getsockopt = compat_sock_common_getsockopt,
1336
+	.compat_ioctl	   = inet6_compat_ioctl,
1384
1337
 #endif
1385
1338
 };
1386
1339