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/xfrm6_policy.c
..
..
@@ -22,9 +22,6 @@
22
22
 #include <net/ipv6.h>
23
23
 #include <net/ip6_route.h>
24
24
 #include <net/l3mdev.h>
25
-#if IS_ENABLED(CONFIG_IPV6_MIP6)
26
-#include <net/mip6.h>
27
-#endif
28
25
 
29
26
 static struct dst_entry *xfrm6_dst_lookup(struct net *net, int tos, int oif,
30
27
 					  const xfrm_address_t *saddr,
..
..
@@ -71,24 +68,6 @@
71
68
 	return 0;
72
69
 }
73
70
 
74
-static int xfrm6_get_tos(const struct flowi *fl)
75
-{
76
-	return 0;
77
-}
78
-
79
-static int xfrm6_init_path(struct xfrm_dst *path, struct dst_entry *dst,
80
-			   int nfheader_len)
81
-{
82
-	if (dst->ops->family == AF_INET6) {
83
-		struct rt6_info *rt = (struct rt6_info *)dst;
84
-		path->path_cookie = rt6_get_cookie(rt);
85
-	}
86
-
87
-	path->u.rt6.rt6i_nfheader_len = nfheader_len;
88
-
89
-	return 0;
90
-}
91
-
92
71
 static int xfrm6_fill_dst(struct xfrm_dst *xdst, struct net_device *dev,
93
72
 			  const struct flowi *fl)
94
73
 {
..
..
@@ -116,108 +95,6 @@
116
95
 	atomic_inc(&dev_net(dev)->ipv6.rt6_stats->fib_rt_uncache);
117
96
 
118
97
 	return 0;
119
-}
120
-
121
-static inline void
122
-_decode_session6(struct sk_buff *skb, struct flowi *fl, int reverse)
123
-{
124
-	struct flowi6 *fl6 = &fl->u.ip6;
125
-	int onlyproto = 0;
126
-	const struct ipv6hdr *hdr = ipv6_hdr(skb);
127
-	u32 offset = sizeof(*hdr);
128
-	struct ipv6_opt_hdr *exthdr;
129
-	const unsigned char *nh = skb_network_header(skb);
130
-	u16 nhoff = IP6CB(skb)->nhoff;
131
-	int oif = 0;
132
-	u8 nexthdr;
133
-
134
-	if (!nhoff)
135
-		nhoff = offsetof(struct ipv6hdr, nexthdr);
136
-
137
-	nexthdr = nh[nhoff];
138
-
139
-	if (skb_dst(skb))
140
-		oif = skb_dst(skb)->dev->ifindex;
141
-
142
-	memset(fl6, 0, sizeof(struct flowi6));
143
-	fl6->flowi6_mark = skb->mark;
144
-	fl6->flowi6_oif = reverse ? skb->skb_iif : oif;
145
-
146
-	fl6->daddr = reverse ? hdr->saddr : hdr->daddr;
147
-	fl6->saddr = reverse ? hdr->daddr : hdr->saddr;
148
-
149
-	while (nh + offset + sizeof(*exthdr) < skb->data ||
150
-	       pskb_may_pull(skb, nh + offset + sizeof(*exthdr) - skb->data)) {
151
-		nh = skb_network_header(skb);
152
-		exthdr = (struct ipv6_opt_hdr *)(nh + offset);
153
-
154
-		switch (nexthdr) {
155
-		case NEXTHDR_FRAGMENT:
156
-			onlyproto = 1;
157
-			/* fall through */
158
-		case NEXTHDR_ROUTING:
159
-		case NEXTHDR_HOP:
160
-		case NEXTHDR_DEST:
161
-			offset += ipv6_optlen(exthdr);
162
-			nexthdr = exthdr->nexthdr;
163
-			exthdr = (struct ipv6_opt_hdr *)(nh + offset);
164
-			break;
165
-
166
-		case IPPROTO_UDP:
167
-		case IPPROTO_UDPLITE:
168
-		case IPPROTO_TCP:
169
-		case IPPROTO_SCTP:
170
-		case IPPROTO_DCCP:
171
-			if (!onlyproto && (nh + offset + 4 < skb->data ||
172
-			     pskb_may_pull(skb, nh + offset + 4 - skb->data))) {
173
-				__be16 *ports;
174
-
175
-				nh = skb_network_header(skb);
176
-				ports = (__be16 *)(nh + offset);
177
-				fl6->fl6_sport = ports[!!reverse];
178
-				fl6->fl6_dport = ports[!reverse];
179
-			}
180
-			fl6->flowi6_proto = nexthdr;
181
-			return;
182
-
183
-		case IPPROTO_ICMPV6:
184
-			if (!onlyproto && (nh + offset + 2 < skb->data ||
185
-			    pskb_may_pull(skb, nh + offset + 2 - skb->data))) {
186
-				u8 *icmp;
187
-
188
-				nh = skb_network_header(skb);
189
-				icmp = (u8 *)(nh + offset);
190
-				fl6->fl6_icmp_type = icmp[0];
191
-				fl6->fl6_icmp_code = icmp[1];
192
-			}
193
-			fl6->flowi6_proto = nexthdr;
194
-			return;
195
-
196
-#if IS_ENABLED(CONFIG_IPV6_MIP6)
197
-		case IPPROTO_MH:
198
-			offset += ipv6_optlen(exthdr);
199
-			if (!onlyproto && (nh + offset + 3 < skb->data ||
200
-			    pskb_may_pull(skb, nh + offset + 3 - skb->data))) {
201
-				struct ip6_mh *mh;
202
-
203
-				nh = skb_network_header(skb);
204
-				mh = (struct ip6_mh *)(nh + offset);
205
-				fl6->fl6_mh_type = mh->ip6mh_type;
206
-			}
207
-			fl6->flowi6_proto = nexthdr;
208
-			return;
209
-#endif
210
-
211
-		/* XXX Why are there these headers? */
212
-		case IPPROTO_AH:
213
-		case IPPROTO_ESP:
214
-		case IPPROTO_COMP:
215
-		default:
216
-			fl6->fl6_ipsec_spi = 0;
217
-			fl6->flowi6_proto = nexthdr;
218
-			return;
219
-		}
220
-	}
221
98
 }
222
99
 
223
100
 static void xfrm6_update_pmtu(struct dst_entry *dst, struct sock *sk,
..
..
@@ -263,7 +140,6 @@
263
140
 	if (xdst->u.rt6.rt6i_idev->dev == dev) {
264
141
 		struct inet6_dev *loopback_idev =
265
142
 			in6_dev_get(dev_net(dev)->loopback_dev);
266
-		BUG_ON(!loopback_idev);
267
143
 
268
144
 		do {
269
145
 			in6_dev_put(xdst->u.rt6.rt6i_idev);
..
..
@@ -293,9 +169,6 @@
293
169
 	.dst_ops =		&xfrm6_dst_ops_template,
294
170
 	.dst_lookup =		xfrm6_dst_lookup,
295
171
 	.get_saddr =		xfrm6_get_saddr,
296
-	.decode_session =	_decode_session6,
297
-	.get_tos =		xfrm6_get_tos,
298
-	.init_path =		xfrm6_init_path,
299
172
 	.fill_dst =		xfrm6_fill_dst,
300
173
 	.blackhole_route =	ip6_blackhole_route,
301
174
 };
..
..
@@ -416,9 +289,13 @@
416
289
 	if (ret)
417
290
 		goto out_state;
418
291
 
419
-	register_pernet_subsys(&xfrm6_net_ops);
292
+	ret = register_pernet_subsys(&xfrm6_net_ops);
293
+	if (ret)
294
+		goto out_protocol;
420
295
 out:
421
296
 	return ret;
297
+out_protocol:
298
+	xfrm6_protocol_fini();
422
299
 out_state:
423
300
 	xfrm6_state_fini();
424
301
 out_policy: