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Commit | Line | Data |
---|---|---|
6892158b MT |
1 | diff -urp v2.6.36/linux/include/linux/rtnetlink.h linux/include/linux/rtnetlink.h |
2 | --- v2.6.36/linux/include/linux/rtnetlink.h 2010-10-22 11:34:37.000000000 +0300 | |
3 | +++ linux/include/linux/rtnetlink.h 2010-10-23 15:03:19.704274198 +0300 | |
4 | @@ -312,6 +312,8 @@ struct rtnexthop { | |
58c5fc13 MT |
5 | #define RTNH_F_DEAD 1 /* Nexthop is dead (used by multipath) */ |
6 | #define RTNH_F_PERVASIVE 2 /* Do recursive gateway lookup */ | |
7 | #define RTNH_F_ONLINK 4 /* Gateway is forced on link */ | |
8 | +#define RTNH_F_SUSPECT 8 /* We don't know the real state */ | |
9 | +#define RTNH_F_BADSTATE (RTNH_F_DEAD | RTNH_F_SUSPECT) | |
10 | ||
11 | /* Macros to handle hexthops */ | |
12 | ||
6892158b MT |
13 | diff -urp v2.6.36/linux/include/net/flow.h linux/include/net/flow.h |
14 | --- v2.6.36/linux/include/net/flow.h 2010-08-02 09:37:48.000000000 +0300 | |
15 | +++ linux/include/net/flow.h 2010-10-23 15:04:36.408274819 +0300 | |
58c5fc13 MT |
16 | @@ -19,6 +19,8 @@ struct flowi { |
17 | struct { | |
18 | __be32 daddr; | |
19 | __be32 saddr; | |
20 | + __be32 lsrc; | |
21 | + __be32 gw; | |
22 | __u8 tos; | |
23 | __u8 scope; | |
24 | } ip4_u; | |
25 | @@ -43,6 +45,8 @@ struct flowi { | |
26 | #define fl6_flowlabel nl_u.ip6_u.flowlabel | |
27 | #define fl4_dst nl_u.ip4_u.daddr | |
28 | #define fl4_src nl_u.ip4_u.saddr | |
29 | +#define fl4_lsrc nl_u.ip4_u.lsrc | |
30 | +#define fl4_gw nl_u.ip4_u.gw | |
31 | #define fl4_tos nl_u.ip4_u.tos | |
32 | #define fl4_scope nl_u.ip4_u.scope | |
33 | ||
6892158b MT |
34 | diff -urp v2.6.36/linux/include/net/ip_fib.h linux/include/net/ip_fib.h |
35 | --- v2.6.36/linux/include/net/ip_fib.h 2010-02-25 09:01:36.000000000 +0200 | |
36 | +++ linux/include/net/ip_fib.h 2010-10-23 15:03:19.704274198 +0300 | |
ae4e228f | 37 | @@ -207,6 +207,8 @@ extern int fib_lookup(struct net *n, str |
58c5fc13 MT |
38 | extern struct fib_table *fib_new_table(struct net *net, u32 id); |
39 | extern struct fib_table *fib_get_table(struct net *net, u32 id); | |
40 | ||
41 | +extern int fib_result_table(struct fib_result *res); | |
42 | + | |
43 | #endif /* CONFIG_IP_MULTIPLE_TABLES */ | |
44 | ||
45 | /* Exported by fib_frontend.c */ | |
ae4e228f | 46 | @@ -277,4 +279,6 @@ static inline void fib_proc_exit(struct |
58c5fc13 MT |
47 | } |
48 | #endif | |
49 | ||
50 | +extern rwlock_t fib_nhflags_lock; | |
51 | + | |
52 | #endif /* _NET_FIB_H */ | |
6892158b MT |
53 | diff -urp v2.6.36/linux/include/net/netfilter/nf_nat.h linux/include/net/netfilter/nf_nat.h |
54 | --- v2.6.36/linux/include/net/netfilter/nf_nat.h 2010-02-25 09:01:36.000000000 +0200 | |
55 | +++ linux/include/net/netfilter/nf_nat.h 2010-10-23 15:04:36.408274819 +0300 | |
ae4e228f | 56 | @@ -73,6 +73,13 @@ struct nf_conn_nat { |
58c5fc13 MT |
57 | #endif |
58 | }; | |
59 | ||
60 | +/* Call input routing for SNAT-ed traffic */ | |
61 | +extern unsigned int ip_nat_route_input(unsigned int hooknum, | |
62 | + struct sk_buff *skb, | |
63 | + const struct net_device *in, | |
64 | + const struct net_device *out, | |
65 | + int (*okfn)(struct sk_buff *)); | |
66 | + | |
67 | /* Set up the info structure to map into this range. */ | |
68 | extern unsigned int nf_nat_setup_info(struct nf_conn *ct, | |
69 | const struct nf_nat_range *range, | |
6892158b MT |
70 | diff -urp v2.6.36/linux/include/net/route.h linux/include/net/route.h |
71 | --- v2.6.36/linux/include/net/route.h 2010-10-22 11:34:37.000000000 +0300 | |
72 | +++ linux/include/net/route.h 2010-10-23 15:04:36.409274028 +0300 | |
73 | @@ -126,6 +126,7 @@ static inline int ip_route_input_noref(s | |
57199397 MT |
74 | return ip_route_input_common(skb, dst, src, tos, devin, true); |
75 | } | |
76 | ||
58c5fc13 MT |
77 | +extern int ip_route_input_lookup(struct sk_buff*, __be32 dst, __be32 src, u8 tos, struct net_device *devin, __be32 lsrc); |
78 | extern unsigned short ip_rt_frag_needed(struct net *net, struct iphdr *iph, unsigned short new_mtu, struct net_device *dev); | |
79 | extern void ip_rt_send_redirect(struct sk_buff *skb); | |
80 | ||
6892158b MT |
81 | diff -urp v2.6.36/linux/net/bridge/br_netfilter.c linux/net/bridge/br_netfilter.c |
82 | --- v2.6.36/linux/net/bridge/br_netfilter.c 2010-10-22 11:34:37.000000000 +0300 | |
83 | +++ linux/net/bridge/br_netfilter.c 2010-10-23 15:04:36.410274544 +0300 | |
84 | @@ -337,6 +337,9 @@ static int br_nf_pre_routing_finish(stru | |
58c5fc13 MT |
85 | struct rtable *rt; |
86 | int err; | |
87 | ||
88 | + /* Old skb->dst is not expected, it is lost in all cases */ | |
89 | + skb_dst_drop(skb); | |
90 | + | |
91 | if (nf_bridge->mask & BRNF_PKT_TYPE) { | |
92 | skb->pkt_type = PACKET_OTHERHOST; | |
93 | nf_bridge->mask ^= BRNF_PKT_TYPE; | |
6892158b MT |
94 | diff -urp v2.6.36/linux/net/ipv4/fib_frontend.c linux/net/ipv4/fib_frontend.c |
95 | --- v2.6.36/linux/net/ipv4/fib_frontend.c 2010-10-22 11:34:38.000000000 +0300 | |
96 | +++ linux/net/ipv4/fib_frontend.c 2010-10-23 15:03:19.706274107 +0300 | |
df50ba0c | 97 | @@ -47,6 +47,8 @@ |
58c5fc13 MT |
98 | |
99 | #ifndef CONFIG_IP_MULTIPLE_TABLES | |
100 | ||
101 | +#define FIB_RES_TABLE(r) (RT_TABLE_MAIN) | |
102 | + | |
103 | static int __net_init fib4_rules_init(struct net *net) | |
104 | { | |
105 | struct fib_table *local_table, *main_table; | |
df50ba0c | 106 | @@ -71,6 +73,8 @@ fail: |
58c5fc13 MT |
107 | } |
108 | #else | |
109 | ||
110 | +#define FIB_RES_TABLE(r) (fib_result_table(r)) | |
111 | + | |
112 | struct fib_table *fib_new_table(struct net *net, u32 id) | |
113 | { | |
114 | struct fib_table *tb; | |
df50ba0c | 115 | @@ -125,7 +129,8 @@ void fib_select_default(struct net *net, |
58c5fc13 MT |
116 | table = res->r->table; |
117 | #endif | |
118 | tb = fib_get_table(net, table); | |
119 | - if (FIB_RES_GW(*res) && FIB_RES_NH(*res).nh_scope == RT_SCOPE_LINK) | |
120 | + if ((FIB_RES_GW(*res) && FIB_RES_NH(*res).nh_scope == RT_SCOPE_LINK) || | |
121 | + FIB_RES_NH(*res).nh_scope == RT_SCOPE_HOST) | |
ae4e228f | 122 | fib_table_select_default(tb, flp, res); |
58c5fc13 MT |
123 | } |
124 | ||
6892158b | 125 | @@ -245,6 +250,9 @@ int fib_validate_source(__be32 src, __be |
58c5fc13 | 126 | .iif = oif }; |
ae4e228f | 127 | |
58c5fc13 MT |
128 | struct fib_result res; |
129 | + int table; | |
130 | + unsigned char prefixlen; | |
131 | + unsigned char scope; | |
ae4e228f | 132 | int no_addr, rpf, accept_local; |
6892158b | 133 | bool dev_match; |
58c5fc13 | 134 | int ret; |
6892158b | 135 | @@ -294,21 +302,29 @@ int fib_validate_source(__be32 src, __be |
58c5fc13 MT |
136 | fib_res_put(&res); |
137 | return ret; | |
138 | } | |
139 | + table = FIB_RES_TABLE(&res); | |
140 | + prefixlen = res.prefixlen; | |
141 | + scope = res.scope; | |
142 | fib_res_put(&res); | |
143 | if (no_addr) | |
144 | goto last_resort; | |
145 | - if (rpf == 1) | |
6892158b | 146 | - goto e_rpf; |
58c5fc13 MT |
147 | fl.oif = dev->ifindex; |
148 | ||
149 | ret = 0; | |
150 | if (fib_lookup(net, &fl, &res) == 0) { | |
151 | - if (res.type == RTN_UNICAST) { | |
152 | + if (res.type == RTN_UNICAST && | |
153 | + ((table == FIB_RES_TABLE(&res) && | |
154 | + res.prefixlen >= prefixlen && res.scope >= scope) || | |
155 | + !rpf)) { | |
156 | *spec_dst = FIB_RES_PREFSRC(res); | |
157 | ret = FIB_RES_NH(res).nh_scope >= RT_SCOPE_HOST; | |
158 | + fib_res_put(&res); | |
159 | + return ret; | |
160 | } | |
161 | fib_res_put(&res); | |
162 | } | |
163 | + if (rpf == 1) | |
6892158b | 164 | + goto e_rpf; |
58c5fc13 MT |
165 | return ret; |
166 | ||
167 | last_resort: | |
6892158b | 168 | @@ -933,9 +949,7 @@ static int fib_inetaddr_event(struct not |
58c5fc13 MT |
169 | switch (event) { |
170 | case NETDEV_UP: | |
171 | fib_add_ifaddr(ifa); | |
172 | -#ifdef CONFIG_IP_ROUTE_MULTIPATH | |
173 | fib_sync_up(dev); | |
174 | -#endif | |
175 | rt_cache_flush(dev_net(dev), -1); | |
176 | break; | |
177 | case NETDEV_DOWN: | |
6892158b | 178 | @@ -971,9 +985,7 @@ static int fib_netdev_event(struct notif |
58c5fc13 MT |
179 | for_ifa(in_dev) { |
180 | fib_add_ifaddr(ifa); | |
181 | } endfor_ifa(in_dev); | |
182 | -#ifdef CONFIG_IP_ROUTE_MULTIPATH | |
183 | fib_sync_up(dev); | |
184 | -#endif | |
185 | rt_cache_flush(dev_net(dev), -1); | |
186 | break; | |
187 | case NETDEV_DOWN: | |
6892158b MT |
188 | diff -urp v2.6.36/linux/net/ipv4/fib_hash.c linux/net/ipv4/fib_hash.c |
189 | --- v2.6.36/linux/net/ipv4/fib_hash.c 2010-05-17 10:49:01.000000000 +0300 | |
190 | +++ linux/net/ipv4/fib_hash.c 2010-10-23 15:03:19.707274360 +0300 | |
df50ba0c | 191 | @@ -278,25 +278,35 @@ out: |
ae4e228f MT |
192 | void fib_table_select_default(struct fib_table *tb, |
193 | const struct flowi *flp, struct fib_result *res) | |
58c5fc13 MT |
194 | { |
195 | - int order, last_idx; | |
196 | + int order, last_idx, last_dflt, last_nhsel; | |
197 | + struct fib_alias *first_fa = NULL; | |
198 | + struct hlist_head *head; | |
199 | struct hlist_node *node; | |
200 | struct fib_node *f; | |
201 | struct fib_info *fi = NULL; | |
202 | struct fib_info *last_resort; | |
203 | struct fn_hash *t = (struct fn_hash *)tb->tb_data; | |
204 | - struct fn_zone *fz = t->fn_zones[0]; | |
205 | + struct fn_zone *fz = t->fn_zones[res->prefixlen]; | |
206 | + __be32 k; | |
207 | ||
208 | if (fz == NULL) | |
209 | return; | |
210 | ||
211 | + k = fz_key(flp->fl4_dst, fz); | |
212 | + last_dflt = -2; | |
213 | + last_nhsel = 0; | |
214 | last_idx = -1; | |
215 | last_resort = NULL; | |
216 | order = -1; | |
217 | ||
218 | read_lock(&fib_hash_lock); | |
219 | - hlist_for_each_entry(f, node, &fz->fz_hash[0], fn_hash) { | |
220 | + head = &fz->fz_hash[fn_hash(k, fz)]; | |
221 | + hlist_for_each_entry(f, node, head, fn_hash) { | |
222 | struct fib_alias *fa; | |
223 | ||
224 | + if (f->fn_key != k) | |
225 | + continue; | |
226 | + | |
227 | list_for_each_entry(fa, &f->fn_alias, fa_list) { | |
228 | struct fib_info *next_fi = fa->fa_info; | |
229 | ||
df50ba0c | 230 | @@ -304,42 +314,56 @@ void fib_table_select_default(struct fib |
58c5fc13 MT |
231 | fa->fa_type != RTN_UNICAST) |
232 | continue; | |
233 | ||
234 | + if (fa->fa_tos && | |
235 | + fa->fa_tos != flp->fl4_tos) | |
236 | + continue; | |
237 | if (next_fi->fib_priority > res->fi->fib_priority) | |
238 | break; | |
239 | - if (!next_fi->fib_nh[0].nh_gw || | |
240 | - next_fi->fib_nh[0].nh_scope != RT_SCOPE_LINK) | |
241 | - continue; | |
242 | fa->fa_state |= FA_S_ACCESSED; | |
243 | ||
244 | - if (fi == NULL) { | |
245 | - if (next_fi != res->fi) | |
246 | - break; | |
247 | - } else if (!fib_detect_death(fi, order, &last_resort, | |
248 | - &last_idx, tb->tb_default)) { | |
249 | + if (!first_fa) { | |
250 | + last_dflt = fa->fa_last_dflt; | |
251 | + first_fa = fa; | |
252 | + } | |
253 | + if (fi && !fib_detect_death(fi, order, &last_resort, | |
254 | + &last_idx, &last_dflt, &last_nhsel, flp)) { | |
255 | fib_result_assign(res, fi); | |
256 | - tb->tb_default = order; | |
257 | + first_fa->fa_last_dflt = order; | |
258 | goto out; | |
259 | } | |
260 | fi = next_fi; | |
261 | order++; | |
262 | } | |
263 | + break; | |
264 | } | |
265 | ||
266 | if (order <= 0 || fi == NULL) { | |
267 | - tb->tb_default = -1; | |
268 | + if (fi && fi->fib_nhs > 1 && | |
269 | + fib_detect_death(fi, order, &last_resort, &last_idx, | |
270 | + &last_dflt, &last_nhsel, flp) && | |
271 | + last_resort == fi) { | |
272 | + read_lock_bh(&fib_nhflags_lock); | |
273 | + fi->fib_nh[last_nhsel].nh_flags &= ~RTNH_F_SUSPECT; | |
274 | + read_unlock_bh(&fib_nhflags_lock); | |
275 | + } | |
276 | + if (first_fa) first_fa->fa_last_dflt = -1; | |
277 | goto out; | |
278 | } | |
279 | ||
280 | if (!fib_detect_death(fi, order, &last_resort, &last_idx, | |
281 | - tb->tb_default)) { | |
282 | + &last_dflt, &last_nhsel, flp)) { | |
283 | fib_result_assign(res, fi); | |
284 | - tb->tb_default = order; | |
285 | + first_fa->fa_last_dflt = order; | |
286 | goto out; | |
287 | } | |
288 | ||
289 | - if (last_idx >= 0) | |
290 | + if (last_idx >= 0) { | |
291 | fib_result_assign(res, last_resort); | |
292 | - tb->tb_default = last_idx; | |
293 | + read_lock_bh(&fib_nhflags_lock); | |
294 | + last_resort->fib_nh[last_nhsel].nh_flags &= ~RTNH_F_SUSPECT; | |
295 | + read_unlock_bh(&fib_nhflags_lock); | |
296 | + first_fa->fa_last_dflt = last_idx; | |
297 | + } | |
298 | out: | |
299 | read_unlock(&fib_hash_lock); | |
300 | } | |
df50ba0c | 301 | @@ -463,6 +487,7 @@ int fib_table_insert(struct fib_table *t |
58c5fc13 MT |
302 | write_lock_bh(&fib_hash_lock); |
303 | fi_drop = fa->fa_info; | |
304 | fa->fa_info = fi; | |
305 | + fa->fa_last_dflt = -1; | |
306 | fa->fa_type = cfg->fc_type; | |
307 | fa->fa_scope = cfg->fc_scope; | |
308 | state = fa->fa_state; | |
df50ba0c | 309 | @@ -517,6 +542,7 @@ int fib_table_insert(struct fib_table *t |
58c5fc13 MT |
310 | new_fa->fa_type = cfg->fc_type; |
311 | new_fa->fa_scope = cfg->fc_scope; | |
312 | new_fa->fa_state = 0; | |
313 | + new_fa->fa_last_dflt = -1; | |
314 | ||
315 | /* | |
316 | * Insert new entry to the list. | |
6892158b MT |
317 | diff -urp v2.6.36/linux/net/ipv4/fib_lookup.h linux/net/ipv4/fib_lookup.h |
318 | --- v2.6.36/linux/net/ipv4/fib_lookup.h 2009-09-11 10:27:17.000000000 +0300 | |
319 | +++ linux/net/ipv4/fib_lookup.h 2010-10-23 15:03:19.707274360 +0300 | |
58c5fc13 MT |
320 | @@ -8,6 +8,7 @@ |
321 | struct fib_alias { | |
322 | struct list_head fa_list; | |
323 | struct fib_info *fa_info; | |
324 | + int fa_last_dflt; | |
325 | u8 fa_tos; | |
326 | u8 fa_type; | |
327 | u8 fa_scope; | |
328 | @@ -37,7 +38,8 @@ extern struct fib_alias *fib_find_alias( | |
329 | u8 tos, u32 prio); | |
330 | extern int fib_detect_death(struct fib_info *fi, int order, | |
331 | struct fib_info **last_resort, | |
332 | - int *last_idx, int dflt); | |
333 | + int *last_idx, int *dflt, int *last_nhsel, | |
334 | + const struct flowi *flp); | |
335 | ||
336 | static inline void fib_result_assign(struct fib_result *res, | |
337 | struct fib_info *fi) | |
6892158b MT |
338 | diff -urp v2.6.36/linux/net/ipv4/fib_rules.c linux/net/ipv4/fib_rules.c |
339 | --- v2.6.36/linux/net/ipv4/fib_rules.c 2010-08-02 09:37:49.000000000 +0300 | |
340 | +++ linux/net/ipv4/fib_rules.c 2010-10-23 15:03:19.708274528 +0300 | |
58c5fc13 MT |
341 | @@ -54,6 +54,11 @@ u32 fib_rules_tclass(struct fib_result * |
342 | } | |
343 | #endif | |
344 | ||
345 | +int fib_result_table(struct fib_result *res) | |
346 | +{ | |
347 | + return res->r->table; | |
348 | +} | |
349 | + | |
350 | int fib_lookup(struct net *net, struct flowi *flp, struct fib_result *res) | |
351 | { | |
352 | struct fib_lookup_arg arg = { | |
6892158b MT |
353 | diff -urp v2.6.36/linux/net/ipv4/fib_semantics.c linux/net/ipv4/fib_semantics.c |
354 | --- v2.6.36/linux/net/ipv4/fib_semantics.c 2010-05-17 10:49:01.000000000 +0300 | |
355 | +++ linux/net/ipv4/fib_semantics.c 2010-10-23 15:04:36.412272841 +0300 | |
df50ba0c | 356 | @@ -51,6 +51,7 @@ static struct hlist_head *fib_info_hash; |
58c5fc13 MT |
357 | static struct hlist_head *fib_info_laddrhash; |
358 | static unsigned int fib_hash_size; | |
359 | static unsigned int fib_info_cnt; | |
360 | +rwlock_t fib_nhflags_lock = RW_LOCK_UNLOCKED; | |
361 | ||
362 | #define DEVINDEX_HASHBITS 8 | |
363 | #define DEVINDEX_HASHSIZE (1U << DEVINDEX_HASHBITS) | |
df50ba0c | 364 | @@ -187,7 +188,7 @@ static __inline__ int nh_comp(const stru |
58c5fc13 MT |
365 | #ifdef CONFIG_NET_CLS_ROUTE |
366 | nh->nh_tclassid != onh->nh_tclassid || | |
367 | #endif | |
368 | - ((nh->nh_flags^onh->nh_flags)&~RTNH_F_DEAD)) | |
369 | + ((nh->nh_flags^onh->nh_flags)&~RTNH_F_BADSTATE)) | |
370 | return -1; | |
371 | onh++; | |
372 | } endfor_nexthops(fi); | |
df50ba0c | 373 | @@ -238,7 +239,7 @@ static struct fib_info *fib_find_info(co |
58c5fc13 MT |
374 | nfi->fib_priority == fi->fib_priority && |
375 | memcmp(nfi->fib_metrics, fi->fib_metrics, | |
376 | sizeof(fi->fib_metrics)) == 0 && | |
377 | - ((nfi->fib_flags^fi->fib_flags)&~RTNH_F_DEAD) == 0 && | |
378 | + ((nfi->fib_flags^fi->fib_flags)&~RTNH_F_BADSTATE) == 0 && | |
379 | (nfi->fib_nhs == 0 || nh_comp(fi, nfi) == 0)) | |
380 | return fi; | |
381 | } | |
df50ba0c | 382 | @@ -350,26 +351,70 @@ struct fib_alias *fib_find_alias(struct |
58c5fc13 MT |
383 | } |
384 | ||
385 | int fib_detect_death(struct fib_info *fi, int order, | |
386 | - struct fib_info **last_resort, int *last_idx, int dflt) | |
387 | + struct fib_info **last_resort, int *last_idx, int *dflt, | |
388 | + int *last_nhsel, const struct flowi *flp) | |
389 | { | |
390 | struct neighbour *n; | |
391 | - int state = NUD_NONE; | |
392 | + int nhsel; | |
393 | + int state; | |
394 | + struct fib_nh * nh; | |
395 | + __be32 dst; | |
396 | + int flag, dead = 1; | |
397 | + | |
398 | + /* change_nexthops(fi) { */ | |
399 | + for (nhsel = 0, nh = fi->fib_nh; nhsel < fi->fib_nhs; nh++, nhsel++) { | |
400 | + if (flp->oif && flp->oif != nh->nh_oif) | |
401 | + continue; | |
402 | + if (flp->fl4_gw && flp->fl4_gw != nh->nh_gw && nh->nh_gw && | |
403 | + nh->nh_scope == RT_SCOPE_LINK) | |
404 | + continue; | |
405 | + if (nh->nh_flags & RTNH_F_DEAD) | |
406 | + continue; | |
407 | ||
408 | - n = neigh_lookup(&arp_tbl, &fi->fib_nh[0].nh_gw, fi->fib_dev); | |
409 | - if (n) { | |
410 | - state = n->nud_state; | |
411 | - neigh_release(n); | |
412 | - } | |
413 | - if (state == NUD_REACHABLE) | |
414 | - return 0; | |
415 | - if ((state&NUD_VALID) && order != dflt) | |
416 | - return 0; | |
417 | - if ((state&NUD_VALID) || | |
418 | - (*last_idx<0 && order > dflt)) { | |
419 | - *last_resort = fi; | |
420 | - *last_idx = order; | |
421 | + flag = 0; | |
422 | + if (nh->nh_dev->flags & IFF_NOARP) { | |
423 | + dead = 0; | |
424 | + goto setfl; | |
425 | + } | |
426 | + | |
427 | + dst = nh->nh_gw; | |
428 | + if (!nh->nh_gw || nh->nh_scope != RT_SCOPE_LINK) | |
429 | + dst = flp->fl4_dst; | |
430 | + | |
431 | + state = NUD_NONE; | |
432 | + n = neigh_lookup(&arp_tbl, &dst, nh->nh_dev); | |
433 | + if (n) { | |
434 | + state = n->nud_state; | |
435 | + neigh_release(n); | |
436 | + } | |
437 | + if (state==NUD_REACHABLE || | |
438 | + ((state&NUD_VALID) && order != *dflt)) { | |
439 | + dead = 0; | |
440 | + goto setfl; | |
441 | + } | |
442 | + if (!(state&NUD_VALID)) | |
443 | + flag = 1; | |
444 | + if (!dead) | |
445 | + goto setfl; | |
446 | + if ((state&NUD_VALID) || | |
447 | + (*last_idx<0 && order >= *dflt)) { | |
448 | + *last_resort = fi; | |
449 | + *last_idx = order; | |
450 | + *last_nhsel = nhsel; | |
451 | + } | |
452 | + | |
453 | + setfl: | |
454 | + | |
455 | + read_lock_bh(&fib_nhflags_lock); | |
456 | + if (flag) | |
457 | + nh->nh_flags |= RTNH_F_SUSPECT; | |
458 | + else | |
459 | + nh->nh_flags &= ~RTNH_F_SUSPECT; | |
460 | + read_unlock_bh(&fib_nhflags_lock); | |
461 | } | |
462 | - return 1; | |
463 | + /* } endfor_nexthops(fi) */ | |
464 | + | |
465 | + return dead; | |
466 | } | |
467 | ||
468 | #ifdef CONFIG_IP_ROUTE_MULTIPATH | |
df50ba0c | 469 | @@ -538,8 +583,11 @@ static int fib_check_nh(struct fib_confi |
58c5fc13 MT |
470 | return -EINVAL; |
471 | if ((dev = __dev_get_by_index(net, nh->nh_oif)) == NULL) | |
472 | return -ENODEV; | |
473 | - if (!(dev->flags&IFF_UP)) | |
474 | - return -ENETDOWN; | |
475 | + if (!(dev->flags&IFF_UP)) { | |
476 | + if (fi->fib_protocol != RTPROT_STATIC) | |
477 | + return -ENETDOWN; | |
478 | + nh->nh_flags |= RTNH_F_DEAD; | |
479 | + } | |
480 | nh->nh_dev = dev; | |
481 | dev_hold(dev); | |
482 | nh->nh_scope = RT_SCOPE_LINK; | |
df50ba0c | 483 | @@ -559,24 +607,48 @@ static int fib_check_nh(struct fib_confi |
58c5fc13 MT |
484 | /* It is not necessary, but requires a bit of thinking */ |
485 | if (fl.fl4_scope < RT_SCOPE_LINK) | |
486 | fl.fl4_scope = RT_SCOPE_LINK; | |
487 | - if ((err = fib_lookup(net, &fl, &res)) != 0) | |
488 | - return err; | |
489 | + err = fib_lookup(net, &fl, &res); | |
490 | } | |
491 | - err = -EINVAL; | |
492 | - if (res.type != RTN_UNICAST && res.type != RTN_LOCAL) | |
493 | - goto out; | |
494 | - nh->nh_scope = res.scope; | |
495 | - nh->nh_oif = FIB_RES_OIF(res); | |
496 | - if ((nh->nh_dev = FIB_RES_DEV(res)) == NULL) | |
497 | - goto out; | |
498 | - dev_hold(nh->nh_dev); | |
499 | - err = -ENETDOWN; | |
500 | - if (!(nh->nh_dev->flags & IFF_UP)) | |
501 | - goto out; | |
502 | - err = 0; | |
503 | + if (err) { | |
504 | + struct in_device *in_dev; | |
505 | + | |
506 | + if (err != -ENETUNREACH || | |
507 | + fi->fib_protocol != RTPROT_STATIC) | |
508 | + return err; | |
509 | + | |
510 | + in_dev = inetdev_by_index(net, nh->nh_oif); | |
511 | + if (in_dev == NULL || | |
512 | + in_dev->dev->flags & IFF_UP) { | |
513 | + if (in_dev) | |
514 | + in_dev_put(in_dev); | |
515 | + return err; | |
516 | + } | |
517 | + nh->nh_flags |= RTNH_F_DEAD; | |
518 | + nh->nh_scope = RT_SCOPE_LINK; | |
519 | + nh->nh_dev = in_dev->dev; | |
520 | + dev_hold(nh->nh_dev); | |
521 | + in_dev_put(in_dev); | |
522 | + } else { | |
523 | + err = -EINVAL; | |
524 | + if (res.type != RTN_UNICAST && res.type != RTN_LOCAL) | |
525 | + goto out; | |
526 | + nh->nh_scope = res.scope; | |
527 | + nh->nh_oif = FIB_RES_OIF(res); | |
528 | + if ((nh->nh_dev = FIB_RES_DEV(res)) == NULL) | |
529 | + goto out; | |
530 | + dev_hold(nh->nh_dev); | |
531 | + if (!(nh->nh_dev->flags & IFF_UP)) { | |
532 | + if (fi->fib_protocol != RTPROT_STATIC) { | |
533 | + err = -ENETDOWN; | |
534 | + goto out; | |
535 | + } | |
536 | + nh->nh_flags |= RTNH_F_DEAD; | |
537 | + } | |
538 | + err = 0; | |
539 | out: | |
540 | - fib_res_put(&res); | |
541 | - return err; | |
542 | + fib_res_put(&res); | |
543 | + return err; | |
544 | + } | |
545 | } else { | |
546 | struct in_device *in_dev; | |
547 | ||
df50ba0c | 548 | @@ -587,8 +659,11 @@ out: |
58c5fc13 MT |
549 | if (in_dev == NULL) |
550 | return -ENODEV; | |
551 | if (!(in_dev->dev->flags&IFF_UP)) { | |
552 | - in_dev_put(in_dev); | |
553 | - return -ENETDOWN; | |
554 | + if (fi->fib_protocol != RTPROT_STATIC) { | |
555 | + in_dev_put(in_dev); | |
556 | + return -ENETDOWN; | |
557 | + } | |
558 | + nh->nh_flags |= RTNH_F_DEAD; | |
559 | } | |
560 | nh->nh_dev = in_dev->dev; | |
561 | dev_hold(nh->nh_dev); | |
df50ba0c | 562 | @@ -897,8 +972,12 @@ int fib_semantic_match(struct list_head |
58c5fc13 MT |
563 | for_nexthops(fi) { |
564 | if (nh->nh_flags&RTNH_F_DEAD) | |
565 | continue; | |
566 | - if (!flp->oif || flp->oif == nh->nh_oif) | |
567 | - break; | |
568 | + if (flp->oif && flp->oif != nh->nh_oif) | |
569 | + continue; | |
570 | + if (flp->fl4_gw && flp->fl4_gw != nh->nh_gw && | |
571 | + nh->nh_gw && nh->nh_scope == RT_SCOPE_LINK) | |
572 | + continue; | |
573 | + break; | |
574 | } | |
575 | #ifdef CONFIG_IP_ROUTE_MULTIPATH | |
576 | if (nhsel < fi->fib_nhs) { | |
df50ba0c | 577 | @@ -1078,18 +1157,29 @@ int fib_sync_down_dev(struct net_device |
58c5fc13 MT |
578 | prev_fi = fi; |
579 | dead = 0; | |
580 | change_nexthops(fi) { | |
df50ba0c | 581 | - if (nexthop_nh->nh_flags&RTNH_F_DEAD) |
58c5fc13 | 582 | - dead++; |
df50ba0c MT |
583 | - else if (nexthop_nh->nh_dev == dev && |
584 | - nexthop_nh->nh_scope != scope) { | |
585 | - nexthop_nh->nh_flags |= RTNH_F_DEAD; | |
586 | + if (nexthop_nh->nh_flags&RTNH_F_DEAD) { | |
58c5fc13 | 587 | + if (fi->fib_protocol!=RTPROT_STATIC || |
df50ba0c MT |
588 | + nexthop_nh->nh_dev == NULL || |
589 | + __in_dev_get_rtnl(nexthop_nh->nh_dev) == NULL || | |
590 | + nexthop_nh->nh_dev->flags&IFF_UP) | |
58c5fc13 | 591 | + dead++; |
df50ba0c MT |
592 | + } else if (nexthop_nh->nh_dev == dev && |
593 | + nexthop_nh->nh_scope != scope) { | |
58c5fc13 MT |
594 | + write_lock_bh(&fib_nhflags_lock); |
595 | #ifdef CONFIG_IP_ROUTE_MULTIPATH | |
596 | - spin_lock_bh(&fib_multipath_lock); | |
597 | + spin_lock(&fib_multipath_lock); | |
df50ba0c MT |
598 | + nexthop_nh->nh_flags |= RTNH_F_DEAD; |
599 | fi->fib_power -= nexthop_nh->nh_power; | |
600 | nexthop_nh->nh_power = 0; | |
58c5fc13 MT |
601 | - spin_unlock_bh(&fib_multipath_lock); |
602 | + spin_unlock(&fib_multipath_lock); | |
603 | +#else | |
df50ba0c | 604 | + nexthop_nh->nh_flags |= RTNH_F_DEAD; |
58c5fc13 MT |
605 | #endif |
606 | - dead++; | |
607 | + write_unlock_bh(&fib_nhflags_lock); | |
608 | + if (fi->fib_protocol!=RTPROT_STATIC || | |
609 | + force || | |
610 | + __in_dev_get_rtnl(dev) == NULL) | |
611 | + dead++; | |
612 | } | |
613 | #ifdef CONFIG_IP_ROUTE_MULTIPATH | |
df50ba0c MT |
614 | if (force > 1 && nexthop_nh->nh_dev == dev) { |
615 | @@ -1107,11 +1197,8 @@ int fib_sync_down_dev(struct net_device | |
58c5fc13 MT |
616 | return ret; |
617 | } | |
618 | ||
619 | -#ifdef CONFIG_IP_ROUTE_MULTIPATH | |
620 | - | |
621 | /* | |
622 | - Dead device goes up. We wake up dead nexthops. | |
623 | - It takes sense only on multipath routes. | |
624 | + Dead device goes up or new address is added. We wake up dead nexthops. | |
625 | */ | |
626 | ||
627 | int fib_sync_up(struct net_device *dev) | |
df50ba0c | 628 | @@ -1121,8 +1208,10 @@ int fib_sync_up(struct net_device *dev) |
58c5fc13 MT |
629 | struct hlist_head *head; |
630 | struct hlist_node *node; | |
631 | struct fib_nh *nh; | |
632 | - int ret; | |
633 | + struct fib_result res; | |
634 | + int ret, rep; | |
635 | ||
636 | +repeat: | |
637 | if (!(dev->flags&IFF_UP)) | |
638 | return 0; | |
639 | ||
df50ba0c | 640 | @@ -1130,6 +1219,7 @@ int fib_sync_up(struct net_device *dev) |
58c5fc13 MT |
641 | hash = fib_devindex_hashfn(dev->ifindex); |
642 | head = &fib_info_devhash[hash]; | |
643 | ret = 0; | |
644 | + rep = 0; | |
645 | ||
646 | hlist_for_each_entry(nh, node, head, nh_hash) { | |
647 | struct fib_info *fi = nh->nh_parent; | |
df50ba0c | 648 | @@ -1142,21 +1232,41 @@ int fib_sync_up(struct net_device *dev) |
58c5fc13 MT |
649 | prev_fi = fi; |
650 | alive = 0; | |
651 | change_nexthops(fi) { | |
df50ba0c | 652 | - if (!(nexthop_nh->nh_flags&RTNH_F_DEAD)) { |
58c5fc13 | 653 | - alive++; |
df50ba0c | 654 | + if (!(nexthop_nh->nh_flags&RTNH_F_DEAD)) |
58c5fc13 MT |
655 | continue; |
656 | - } | |
df50ba0c MT |
657 | if (nexthop_nh->nh_dev == NULL || |
658 | !(nexthop_nh->nh_dev->flags&IFF_UP)) | |
58c5fc13 | 659 | continue; |
df50ba0c MT |
660 | if (nexthop_nh->nh_dev != dev || |
661 | !__in_dev_get_rtnl(dev)) | |
58c5fc13 | 662 | continue; |
df50ba0c | 663 | + if (nexthop_nh->nh_gw && fi->fib_protocol == RTPROT_STATIC) { |
58c5fc13 MT |
664 | + struct flowi fl = { |
665 | + .nl_u = { .ip4_u = | |
df50ba0c MT |
666 | + { .daddr = nexthop_nh->nh_gw, |
667 | + .scope = nexthop_nh->nh_scope } }, | |
668 | + .oif = nexthop_nh->nh_oif, | |
58c5fc13 MT |
669 | + }; |
670 | + if (fib_lookup(dev_net(dev), &fl, &res) != 0) | |
671 | + continue; | |
672 | + if (res.type != RTN_UNICAST && | |
673 | + res.type != RTN_LOCAL) { | |
674 | + fib_res_put(&res); | |
675 | + continue; | |
676 | + } | |
df50ba0c | 677 | + nexthop_nh->nh_scope = res.scope; |
58c5fc13 MT |
678 | + fib_res_put(&res); |
679 | + rep = 1; | |
680 | + } | |
681 | alive++; | |
682 | +#ifdef CONFIG_IP_ROUTE_MULTIPATH | |
683 | spin_lock_bh(&fib_multipath_lock); | |
df50ba0c | 684 | nexthop_nh->nh_power = 0; |
58c5fc13 | 685 | +#endif |
df50ba0c | 686 | nexthop_nh->nh_flags &= ~RTNH_F_DEAD; |
58c5fc13 MT |
687 | +#ifdef CONFIG_IP_ROUTE_MULTIPATH |
688 | spin_unlock_bh(&fib_multipath_lock); | |
689 | +#endif | |
690 | } endfor_nexthops(fi) | |
691 | ||
692 | if (alive > 0) { | |
693 | @@ -1164,10 +1274,14 @@ int fib_sync_up(struct net_device *dev) | |
694 | ret++; | |
695 | } | |
696 | } | |
697 | + if (rep) | |
698 | + goto repeat; | |
699 | ||
700 | return ret; | |
701 | } | |
702 | ||
703 | +#ifdef CONFIG_IP_ROUTE_MULTIPATH | |
704 | + | |
705 | /* | |
706 | The algorithm is suboptimal, but it provides really | |
707 | fair weighted route distribution. | |
708 | @@ -1176,24 +1290,45 @@ int fib_sync_up(struct net_device *dev) | |
709 | void fib_select_multipath(const struct flowi *flp, struct fib_result *res) | |
710 | { | |
711 | struct fib_info *fi = res->fi; | |
712 | - int w; | |
713 | + int w, alive; | |
714 | ||
715 | spin_lock_bh(&fib_multipath_lock); | |
716 | + if (flp->oif) { | |
717 | + int sel = -1; | |
718 | + w = -1; | |
719 | + change_nexthops(fi) { | |
df50ba0c | 720 | + if (flp->oif != nexthop_nh->nh_oif) |
58c5fc13 | 721 | + continue; |
df50ba0c MT |
722 | + if (flp->fl4_gw && flp->fl4_gw != nexthop_nh->nh_gw && |
723 | + nexthop_nh->nh_gw && nexthop_nh->nh_scope == RT_SCOPE_LINK) | |
58c5fc13 | 724 | + continue; |
df50ba0c MT |
725 | + if (!(nexthop_nh->nh_flags&RTNH_F_BADSTATE)) { |
726 | + if (nexthop_nh->nh_power > w) { | |
727 | + w = nexthop_nh->nh_power; | |
58c5fc13 MT |
728 | + sel = nhsel; |
729 | + } | |
730 | + } | |
731 | + } endfor_nexthops(fi); | |
732 | + if (sel >= 0) { | |
733 | + spin_unlock_bh(&fib_multipath_lock); | |
734 | + res->nh_sel = sel; | |
735 | + return; | |
736 | + } | |
737 | + goto last_resort; | |
738 | + } | |
739 | + | |
740 | +repeat: | |
741 | if (fi->fib_power <= 0) { | |
742 | int power = 0; | |
743 | change_nexthops(fi) { | |
df50ba0c MT |
744 | - if (!(nexthop_nh->nh_flags&RTNH_F_DEAD)) { |
745 | + if (!(nexthop_nh->nh_flags&RTNH_F_BADSTATE)) { | |
746 | power += nexthop_nh->nh_weight; | |
747 | nexthop_nh->nh_power = nexthop_nh->nh_weight; | |
58c5fc13 MT |
748 | } |
749 | } endfor_nexthops(fi); | |
750 | fi->fib_power = power; | |
751 | - if (power <= 0) { | |
752 | - spin_unlock_bh(&fib_multipath_lock); | |
753 | - /* Race condition: route has just become dead. */ | |
754 | - res->nh_sel = 0; | |
755 | - return; | |
756 | - } | |
757 | + if (power <= 0) | |
758 | + goto last_resort; | |
759 | } | |
760 | ||
761 | ||
df50ba0c | 762 | @@ -1203,21 +1338,41 @@ void fib_select_multipath(const struct f |
58c5fc13 MT |
763 | |
764 | w = jiffies % fi->fib_power; | |
765 | ||
766 | + alive = 0; | |
767 | change_nexthops(fi) { | |
df50ba0c MT |
768 | - if (!(nexthop_nh->nh_flags&RTNH_F_DEAD) && |
769 | + if (!(nexthop_nh->nh_flags&RTNH_F_BADSTATE) && | |
770 | nexthop_nh->nh_power) { | |
771 | if ((w -= nexthop_nh->nh_power) <= 0) { | |
772 | nexthop_nh->nh_power--; | |
58c5fc13 MT |
773 | fi->fib_power--; |
774 | - res->nh_sel = nhsel; | |
775 | spin_unlock_bh(&fib_multipath_lock); | |
776 | + res->nh_sel = nhsel; | |
777 | return; | |
778 | } | |
779 | + alive = 1; | |
780 | + } | |
781 | + } endfor_nexthops(fi); | |
782 | + if (alive) { | |
783 | + fi->fib_power = 0; | |
784 | + goto repeat; | |
785 | + } | |
786 | + | |
787 | +last_resort: | |
788 | + | |
789 | + for_nexthops(fi) { | |
790 | + if (!(nh->nh_flags&RTNH_F_DEAD)) { | |
791 | + if (flp->oif && flp->oif != nh->nh_oif) | |
792 | + continue; | |
793 | + if (flp->fl4_gw && flp->fl4_gw != nh->nh_gw && | |
794 | + nh->nh_gw && nh->nh_scope == RT_SCOPE_LINK) | |
795 | + continue; | |
796 | + spin_unlock_bh(&fib_multipath_lock); | |
797 | + res->nh_sel = nhsel; | |
798 | + return; | |
799 | } | |
800 | } endfor_nexthops(fi); | |
801 | ||
802 | /* Race condition: route has just become dead. */ | |
803 | - res->nh_sel = 0; | |
804 | spin_unlock_bh(&fib_multipath_lock); | |
805 | } | |
806 | #endif | |
6892158b MT |
807 | diff -urp v2.6.36/linux/net/ipv4/fib_trie.c linux/net/ipv4/fib_trie.c |
808 | --- v2.6.36/linux/net/ipv4/fib_trie.c 2010-10-22 11:34:38.000000000 +0300 | |
809 | +++ linux/net/ipv4/fib_trie.c 2010-10-23 15:03:19.712272951 +0300 | |
810 | @@ -1277,6 +1277,7 @@ int fib_table_insert(struct fib_table *t | |
58c5fc13 MT |
811 | fi_drop = fa->fa_info; |
812 | new_fa->fa_tos = fa->fa_tos; | |
813 | new_fa->fa_info = fi; | |
814 | + new_fa->fa_last_dflt = -1; | |
815 | new_fa->fa_type = cfg->fc_type; | |
816 | new_fa->fa_scope = cfg->fc_scope; | |
817 | state = fa->fa_state; | |
6892158b | 818 | @@ -1317,6 +1318,7 @@ int fib_table_insert(struct fib_table *t |
58c5fc13 MT |
819 | new_fa->fa_type = cfg->fc_type; |
820 | new_fa->fa_scope = cfg->fc_scope; | |
821 | new_fa->fa_state = 0; | |
822 | + new_fa->fa_last_dflt = -1; | |
823 | /* | |
824 | * Insert new entry to the list. | |
825 | */ | |
6892158b | 826 | @@ -1819,24 +1821,31 @@ void fib_table_select_default(struct fib |
ae4e228f | 827 | struct fib_result *res) |
58c5fc13 MT |
828 | { |
829 | struct trie *t = (struct trie *) tb->tb_data; | |
830 | - int order, last_idx; | |
831 | + int order, last_idx, last_dflt, last_nhsel; | |
832 | + struct fib_alias *first_fa = NULL; | |
833 | struct fib_info *fi = NULL; | |
834 | struct fib_info *last_resort; | |
835 | struct fib_alias *fa = NULL; | |
836 | struct list_head *fa_head; | |
837 | struct leaf *l; | |
838 | + u32 key, mask; | |
839 | ||
840 | + last_dflt = -2; | |
841 | + last_nhsel = 0; | |
842 | last_idx = -1; | |
843 | last_resort = NULL; | |
844 | order = -1; | |
845 | ||
846 | + mask = inet_make_mask(res->prefixlen); | |
847 | + key = ntohl(flp->fl4_dst & mask); | |
848 | + | |
849 | rcu_read_lock(); | |
850 | ||
851 | - l = fib_find_node(t, 0); | |
852 | + l = fib_find_node(t, key); | |
853 | if (!l) | |
854 | goto out; | |
855 | ||
856 | - fa_head = get_fa_head(l, 0); | |
857 | + fa_head = get_fa_head(l, res->prefixlen); | |
858 | if (!fa_head) | |
859 | goto out; | |
860 | ||
6892158b | 861 | @@ -1850,39 +1859,52 @@ void fib_table_select_default(struct fib |
58c5fc13 MT |
862 | fa->fa_type != RTN_UNICAST) |
863 | continue; | |
864 | ||
865 | + if (fa->fa_tos && | |
866 | + fa->fa_tos != flp->fl4_tos) | |
867 | + continue; | |
868 | if (next_fi->fib_priority > res->fi->fib_priority) | |
869 | break; | |
870 | - if (!next_fi->fib_nh[0].nh_gw || | |
871 | - next_fi->fib_nh[0].nh_scope != RT_SCOPE_LINK) | |
872 | - continue; | |
873 | fa->fa_state |= FA_S_ACCESSED; | |
874 | ||
875 | - if (fi == NULL) { | |
876 | - if (next_fi != res->fi) | |
877 | - break; | |
878 | - } else if (!fib_detect_death(fi, order, &last_resort, | |
879 | - &last_idx, tb->tb_default)) { | |
880 | + if (!first_fa) { | |
881 | + last_dflt = fa->fa_last_dflt; | |
882 | + first_fa = fa; | |
883 | + } | |
884 | + if (fi && !fib_detect_death(fi, order, &last_resort, | |
885 | + &last_idx, &last_dflt, &last_nhsel, flp)) { | |
886 | fib_result_assign(res, fi); | |
887 | - tb->tb_default = order; | |
888 | + first_fa->fa_last_dflt = order; | |
889 | goto out; | |
890 | } | |
891 | fi = next_fi; | |
892 | order++; | |
893 | } | |
894 | if (order <= 0 || fi == NULL) { | |
895 | - tb->tb_default = -1; | |
896 | + if (fi && fi->fib_nhs > 1 && | |
897 | + fib_detect_death(fi, order, &last_resort, &last_idx, | |
898 | + &last_dflt, &last_nhsel, flp) && | |
899 | + last_resort == fi) { | |
900 | + read_lock_bh(&fib_nhflags_lock); | |
901 | + fi->fib_nh[last_nhsel].nh_flags &= ~RTNH_F_SUSPECT; | |
902 | + read_unlock_bh(&fib_nhflags_lock); | |
903 | + } | |
904 | + if (first_fa) first_fa->fa_last_dflt = -1; | |
905 | goto out; | |
906 | } | |
907 | ||
908 | if (!fib_detect_death(fi, order, &last_resort, &last_idx, | |
909 | - tb->tb_default)) { | |
910 | + &last_dflt, &last_nhsel, flp)) { | |
911 | fib_result_assign(res, fi); | |
912 | - tb->tb_default = order; | |
913 | + first_fa->fa_last_dflt = order; | |
914 | goto out; | |
915 | } | |
916 | - if (last_idx >= 0) | |
917 | + if (last_idx >= 0) { | |
918 | fib_result_assign(res, last_resort); | |
919 | - tb->tb_default = last_idx; | |
920 | + read_lock_bh(&fib_nhflags_lock); | |
921 | + last_resort->fib_nh[last_nhsel].nh_flags &= ~RTNH_F_SUSPECT; | |
922 | + read_unlock_bh(&fib_nhflags_lock); | |
923 | + first_fa->fa_last_dflt = last_idx; | |
924 | + } | |
925 | out: | |
926 | rcu_read_unlock(); | |
927 | } | |
6892158b MT |
928 | diff -urp v2.6.36/linux/net/ipv4/netfilter/ipt_MASQUERADE.c linux/net/ipv4/netfilter/ipt_MASQUERADE.c |
929 | --- v2.6.36/linux/net/ipv4/netfilter/ipt_MASQUERADE.c 2010-08-02 09:37:49.000000000 +0300 | |
930 | +++ linux/net/ipv4/netfilter/ipt_MASQUERADE.c 2010-10-23 15:04:36.412272841 +0300 | |
58c5fc13 MT |
931 | @@ -51,7 +51,7 @@ masquerade_tg(struct sk_buff *skb, const |
932 | enum ip_conntrack_info ctinfo; | |
933 | struct nf_nat_range newrange; | |
934 | const struct nf_nat_multi_range_compat *mr; | |
935 | - const struct rtable *rt; | |
936 | + struct rtable *rt; | |
937 | __be32 newsrc; | |
938 | ||
939 | NF_CT_ASSERT(par->hooknum == NF_INET_POST_ROUTING); | |
57199397 | 940 | @@ -69,13 +69,29 @@ masquerade_tg(struct sk_buff *skb, const |
58c5fc13 MT |
941 | return NF_ACCEPT; |
942 | ||
943 | mr = par->targinfo; | |
944 | - rt = skb_rtable(skb); | |
945 | - newsrc = inet_select_addr(par->out, rt->rt_gateway, RT_SCOPE_UNIVERSE); | |
946 | - if (!newsrc) { | |
57199397 | 947 | - pr_info("%s ate my IP address\n", par->out->name); |
58c5fc13 MT |
948 | - return NF_DROP; |
949 | + | |
950 | + { | |
951 | + struct flowi fl = { .nl_u = { .ip4_u = | |
952 | + { .daddr = ip_hdr(skb)->daddr, | |
953 | + .tos = (RT_TOS(ip_hdr(skb)->tos) | | |
954 | + RTO_CONN), | |
955 | + .gw = skb_rtable(skb)->rt_gateway, | |
956 | + } }, | |
957 | + .mark = skb->mark, | |
958 | + .oif = par->out->ifindex }; | |
959 | + if (ip_route_output_key(dev_net(par->out), &rt, &fl) != 0) { | |
960 | + /* Funky routing can do this. */ | |
961 | + if (net_ratelimit()) | |
57199397 MT |
962 | + pr_info("%s:" |
963 | + " No route: Rusty's brain broke!\n", | |
964 | + par->out->name); | |
58c5fc13 MT |
965 | + return NF_DROP; |
966 | + } | |
967 | } | |
968 | ||
969 | + newsrc = rt->rt_src; | |
970 | + ip_rt_put(rt); | |
971 | + | |
972 | nat->masq_index = par->out->ifindex; | |
973 | ||
974 | /* Transfer from original range. */ | |
6892158b MT |
975 | diff -urp v2.6.36/linux/net/ipv4/netfilter/nf_nat_core.c linux/net/ipv4/netfilter/nf_nat_core.c |
976 | --- v2.6.36/linux/net/ipv4/netfilter/nf_nat_core.c 2010-10-22 11:34:38.000000000 +0300 | |
977 | +++ linux/net/ipv4/netfilter/nf_nat_core.c 2010-10-23 15:04:36.413274353 +0300 | |
978 | @@ -706,6 +706,52 @@ static struct pernet_operations nf_nat_n | |
58c5fc13 MT |
979 | .exit = nf_nat_net_exit, |
980 | }; | |
981 | ||
982 | +unsigned int | |
983 | +ip_nat_route_input(unsigned int hooknum, | |
984 | + struct sk_buff *skb, | |
985 | + const struct net_device *in, | |
986 | + const struct net_device *out, | |
987 | + int (*okfn)(struct sk_buff *)) | |
988 | +{ | |
989 | + struct iphdr *iph; | |
990 | + struct nf_conn *conn; | |
991 | + enum ip_conntrack_info ctinfo; | |
992 | + enum ip_conntrack_dir dir; | |
993 | + unsigned long statusbit; | |
994 | + __be32 saddr; | |
995 | + | |
996 | + if (!(conn = nf_ct_get(skb, &ctinfo))) | |
997 | + return NF_ACCEPT; | |
998 | + | |
999 | + if (!(conn->status & IPS_NAT_DONE_MASK)) | |
1000 | + return NF_ACCEPT; | |
1001 | + dir = CTINFO2DIR(ctinfo); | |
1002 | + statusbit = IPS_SRC_NAT; | |
1003 | + if (dir == IP_CT_DIR_REPLY) | |
1004 | + statusbit ^= IPS_NAT_MASK; | |
1005 | + if (!(conn->status & statusbit)) | |
1006 | + return NF_ACCEPT; | |
1007 | + | |
1008 | + if (skb_dst(skb)) | |
1009 | + return NF_ACCEPT; | |
1010 | + | |
1011 | + if (skb->len < sizeof(struct iphdr)) | |
1012 | + return NF_ACCEPT; | |
1013 | + | |
1014 | + /* use daddr in other direction as masquerade address (lsrc) */ | |
1015 | + iph = ip_hdr(skb); | |
1016 | + saddr = conn->tuplehash[!dir].tuple.dst.u3.ip; | |
1017 | + if (saddr == iph->saddr) | |
1018 | + return NF_ACCEPT; | |
1019 | + | |
1020 | + if (ip_route_input_lookup(skb, iph->daddr, iph->saddr, iph->tos, | |
1021 | + skb->dev, saddr)) | |
1022 | + return NF_DROP; | |
1023 | + | |
1024 | + return NF_ACCEPT; | |
1025 | +} | |
1026 | +EXPORT_SYMBOL_GPL(ip_nat_route_input); | |
1027 | + | |
1028 | static int __init nf_nat_init(void) | |
1029 | { | |
1030 | size_t i; | |
6892158b MT |
1031 | diff -urp v2.6.36/linux/net/ipv4/netfilter/nf_nat_standalone.c linux/net/ipv4/netfilter/nf_nat_standalone.c |
1032 | --- v2.6.36/linux/net/ipv4/netfilter/nf_nat_standalone.c 2010-10-22 11:34:38.000000000 +0300 | |
1033 | +++ linux/net/ipv4/netfilter/nf_nat_standalone.c 2010-10-23 15:04:36.414274319 +0300 | |
1034 | @@ -249,6 +249,14 @@ static struct nf_hook_ops nf_nat_ops[] _ | |
58c5fc13 MT |
1035 | .hooknum = NF_INET_PRE_ROUTING, |
1036 | .priority = NF_IP_PRI_NAT_DST, | |
1037 | }, | |
1038 | + /* Before routing, route before mangling */ | |
1039 | + { | |
1040 | + .hook = ip_nat_route_input, | |
1041 | + .owner = THIS_MODULE, | |
ae4e228f | 1042 | + .pf = NFPROTO_IPV4, |
58c5fc13 MT |
1043 | + .hooknum = NF_INET_PRE_ROUTING, |
1044 | + .priority = NF_IP_PRI_LAST-1, | |
1045 | + }, | |
1046 | /* After packet filtering, change source */ | |
1047 | { | |
1048 | .hook = nf_nat_out, | |
6892158b MT |
1049 | diff -urp v2.6.36/linux/net/ipv4/route.c linux/net/ipv4/route.c |
1050 | --- v2.6.36/linux/net/ipv4/route.c 2010-10-22 11:34:38.000000000 +0300 | |
1051 | +++ linux/net/ipv4/route.c 2010-10-23 15:08:07.188273891 +0300 | |
1052 | @@ -693,6 +693,8 @@ static inline int compare_keys(struct fl | |
57199397 MT |
1053 | return (((__force u32)fl1->nl_u.ip4_u.daddr ^ (__force u32)fl2->nl_u.ip4_u.daddr) | |
1054 | ((__force u32)fl1->nl_u.ip4_u.saddr ^ (__force u32)fl2->nl_u.ip4_u.saddr) | | |
58c5fc13 | 1055 | (fl1->mark ^ fl2->mark) | |
57199397 MT |
1056 | + ((__force u32)fl1->nl_u.ip4_u.lsrc ^ (__force u32)fl2->nl_u.ip4_u.lsrc) | |
1057 | + ((__force u32)fl1->nl_u.ip4_u.gw ^ (__force u32)fl2->nl_u.ip4_u.gw) | | |
1058 | (*(u16 *)&fl1->nl_u.ip4_u.tos ^ *(u16 *)&fl2->nl_u.ip4_u.tos) | | |
58c5fc13 | 1059 | (fl1->oif ^ fl2->oif) | |
57199397 | 1060 | (fl1->iif ^ fl2->iif)) == 0; |
6892158b | 1061 | @@ -1435,6 +1437,7 @@ void ip_rt_redirect(__be32 old_gw, __be3 |
58c5fc13 MT |
1062 | |
1063 | /* Gateway is different ... */ | |
1064 | rt->rt_gateway = new_gw; | |
1065 | + if (rt->fl.fl4_gw) rt->fl.fl4_gw = new_gw; | |
1066 | ||
1067 | /* Redirect received -> path was valid */ | |
6892158b | 1068 | dst_confirm(&rth->dst); |
57199397 | 1069 | @@ -1886,6 +1889,7 @@ static int ip_route_input_mc(struct sk_b |
58c5fc13 MT |
1070 | rth->fl.fl4_tos = tos; |
1071 | rth->fl.mark = skb->mark; | |
1072 | rth->fl.fl4_src = saddr; | |
1073 | + rth->fl.fl4_lsrc = 0; | |
1074 | rth->rt_src = saddr; | |
1075 | #ifdef CONFIG_NET_CLS_ROUTE | |
6892158b | 1076 | rth->dst.tclassid = itag; |
57199397 | 1077 | @@ -1896,6 +1900,7 @@ static int ip_route_input_mc(struct sk_b |
6892158b MT |
1078 | dev_hold(rth->dst.dev); |
1079 | rth->idev = in_dev_get(rth->dst.dev); | |
58c5fc13 MT |
1080 | rth->fl.oif = 0; |
1081 | + rth->fl.fl4_gw = 0; | |
1082 | rth->rt_gateway = daddr; | |
1083 | rth->rt_spec_dst= spec_dst; | |
1084 | rth->rt_genid = rt_genid(dev_net(dev)); | |
6892158b | 1085 | @@ -1959,7 +1964,7 @@ static int __mkroute_input(struct sk_buf |
58c5fc13 MT |
1086 | struct fib_result *res, |
1087 | struct in_device *in_dev, | |
1088 | __be32 daddr, __be32 saddr, u32 tos, | |
1089 | - struct rtable **result) | |
1090 | + __be32 lsrc, struct rtable **result) | |
1091 | { | |
58c5fc13 | 1092 | struct rtable *rth; |
6892158b MT |
1093 | int err; |
1094 | @@ -1991,6 +1996,7 @@ static int __mkroute_input(struct sk_buf | |
58c5fc13 MT |
1095 | flags |= RTCF_DIRECTSRC; |
1096 | ||
1097 | if (out_dev == in_dev && err && | |
1098 | + !lsrc && | |
1099 | (IN_DEV_SHARED_MEDIA(out_dev) || | |
1100 | inet_addr_onlink(out_dev, saddr, FIB_RES_GW(*res)))) | |
1101 | flags |= RTCF_DOREDIRECT; | |
6892158b | 1102 | @@ -2029,6 +2035,7 @@ static int __mkroute_input(struct sk_buf |
58c5fc13 MT |
1103 | rth->fl.mark = skb->mark; |
1104 | rth->fl.fl4_src = saddr; | |
1105 | rth->rt_src = saddr; | |
1106 | + rth->fl.fl4_lsrc = lsrc; | |
1107 | rth->rt_gateway = daddr; | |
1108 | rth->rt_iif = | |
1109 | rth->fl.iif = in_dev->dev->ifindex; | |
6892158b MT |
1110 | @@ -2036,6 +2043,7 @@ static int __mkroute_input(struct sk_buf |
1111 | dev_hold(rth->dst.dev); | |
1112 | rth->idev = in_dev_get(rth->dst.dev); | |
58c5fc13 MT |
1113 | rth->fl.oif = 0; |
1114 | + rth->fl.fl4_gw = 0; | |
1115 | rth->rt_spec_dst= spec_dst; | |
1116 | ||
6892158b MT |
1117 | rth->dst.obsolete = -1; |
1118 | @@ -2055,21 +2063,23 @@ static int __mkroute_input(struct sk_buf | |
58c5fc13 MT |
1119 | |
1120 | static int ip_mkroute_input(struct sk_buff *skb, | |
1121 | struct fib_result *res, | |
1122 | + struct net *net, | |
1123 | const struct flowi *fl, | |
1124 | struct in_device *in_dev, | |
1125 | - __be32 daddr, __be32 saddr, u32 tos) | |
1126 | + __be32 daddr, __be32 saddr, u32 tos, __be32 lsrc) | |
1127 | { | |
1128 | struct rtable* rth = NULL; | |
1129 | int err; | |
1130 | unsigned hash; | |
1131 | ||
1132 | + fib_select_default(net, fl, res); | |
1133 | #ifdef CONFIG_IP_ROUTE_MULTIPATH | |
1134 | - if (res->fi && res->fi->fib_nhs > 1 && fl->oif == 0) | |
1135 | + if (res->fi && res->fi->fib_nhs > 1) | |
1136 | fib_select_multipath(fl, res); | |
1137 | #endif | |
1138 | ||
1139 | /* create a routing cache entry */ | |
1140 | - err = __mkroute_input(skb, res, in_dev, daddr, saddr, tos, &rth); | |
1141 | + err = __mkroute_input(skb, res, in_dev, daddr, saddr, tos, lsrc, &rth); | |
1142 | if (err) | |
1143 | return err; | |
1144 | ||
6892158b | 1145 | @@ -2090,18 +2100,20 @@ static int ip_mkroute_input(struct sk_bu |
58c5fc13 MT |
1146 | */ |
1147 | ||
1148 | static int ip_route_input_slow(struct sk_buff *skb, __be32 daddr, __be32 saddr, | |
1149 | - u8 tos, struct net_device *dev) | |
1150 | + u8 tos, struct net_device *dev, __be32 lsrc) | |
1151 | { | |
1152 | struct fib_result res; | |
6892158b | 1153 | struct in_device *in_dev = __in_dev_get_rcu(dev); |
58c5fc13 MT |
1154 | struct flowi fl = { .nl_u = { .ip4_u = |
1155 | { .daddr = daddr, | |
1156 | - .saddr = saddr, | |
1157 | + .saddr = lsrc? : saddr, | |
1158 | .tos = tos, | |
1159 | .scope = RT_SCOPE_UNIVERSE, | |
1160 | } }, | |
1161 | .mark = skb->mark, | |
1162 | - .iif = dev->ifindex }; | |
1163 | + .iif = lsrc? | |
6892158b MT |
1164 | + dev_net(dev)->loopback_dev->ifindex : |
1165 | + dev->ifindex }; | |
58c5fc13 MT |
1166 | unsigned flags = 0; |
1167 | u32 itag = 0; | |
1168 | struct rtable * rth; | |
6892158b | 1169 | @@ -2137,6 +2149,12 @@ static int ip_route_input_slow(struct sk |
58c5fc13 MT |
1170 | ipv4_is_loopback(daddr)) |
1171 | goto martian_destination; | |
1172 | ||
1173 | + if (lsrc) { | |
1174 | + if (ipv4_is_multicast(lsrc) || ipv4_is_lbcast(lsrc) || | |
1175 | + ipv4_is_zeronet(lsrc) || ipv4_is_loopback(lsrc)) | |
1176 | + goto e_inval; | |
1177 | + } | |
1178 | + | |
1179 | /* | |
1180 | * Now we are ready to route packet. | |
1181 | */ | |
6892158b | 1182 | @@ -2146,6 +2164,8 @@ static int ip_route_input_slow(struct sk |
58c5fc13 MT |
1183 | goto no_route; |
1184 | } | |
1185 | free_res = 1; | |
1186 | + fl.iif = dev->ifindex; | |
1187 | + fl.fl4_src = saddr; | |
1188 | ||
1189 | RT_CACHE_STAT_INC(in_slow_tot); | |
1190 | ||
6892158b | 1191 | @@ -2169,7 +2189,7 @@ static int ip_route_input_slow(struct sk |
58c5fc13 MT |
1192 | if (res.type != RTN_UNICAST) |
1193 | goto martian_destination; | |
1194 | ||
1195 | - err = ip_mkroute_input(skb, &res, &fl, in_dev, daddr, saddr, tos); | |
1196 | + err = ip_mkroute_input(skb, &res, net, &fl, in_dev, daddr, saddr, tos, lsrc); | |
1197 | done: | |
58c5fc13 | 1198 | if (free_res) |
6892158b MT |
1199 | fib_res_put(&res); |
1200 | @@ -2178,6 +2198,8 @@ out: return err; | |
58c5fc13 MT |
1201 | brd_input: |
1202 | if (skb->protocol != htons(ETH_P_IP)) | |
1203 | goto e_inval; | |
1204 | + if (lsrc) | |
1205 | + goto e_inval; | |
1206 | ||
1207 | if (ipv4_is_zeronet(saddr)) | |
1208 | spec_dst = inet_select_addr(dev, 0, RT_SCOPE_LINK); | |
6892158b MT |
1209 | @@ -2220,6 +2242,7 @@ local_input: |
1210 | rth->dst.dev = net->loopback_dev; | |
1211 | dev_hold(rth->dst.dev); | |
1212 | rth->idev = in_dev_get(rth->dst.dev); | |
58c5fc13 MT |
1213 | + rth->fl.fl4_gw = 0; |
1214 | rth->rt_gateway = daddr; | |
1215 | rth->rt_spec_dst= spec_dst; | |
6892158b MT |
1216 | rth->dst.input= ip_local_deliver; |
1217 | @@ -2272,8 +2295,9 @@ martian_source_keep_err: | |
1218 | goto done; | |
58c5fc13 MT |
1219 | } |
1220 | ||
57199397 MT |
1221 | -int ip_route_input_common(struct sk_buff *skb, __be32 daddr, __be32 saddr, |
1222 | - u8 tos, struct net_device *dev, bool noref) | |
1223 | +int ip_route_input_cached(struct sk_buff *skb, __be32 daddr, __be32 saddr, | |
1224 | + u8 tos, struct net_device *dev, bool noref, | |
1225 | + __be32 lsrc) | |
58c5fc13 MT |
1226 | { |
1227 | struct rtable * rth; | |
1228 | unsigned hash; | |
6892158b | 1229 | @@ -2296,6 +2320,7 @@ int ip_route_input_common(struct sk_buff |
57199397 MT |
1230 | if ((((__force u32)rth->fl.fl4_dst ^ (__force u32)daddr) | |
1231 | ((__force u32)rth->fl.fl4_src ^ (__force u32)saddr) | | |
58c5fc13 MT |
1232 | (rth->fl.iif ^ iif) | |
1233 | + (rth->fl.fl4_lsrc ^ lsrc) | | |
1234 | rth->fl.oif | | |
1235 | (rth->fl.fl4_tos ^ tos)) == 0 && | |
1236 | rth->fl.mark == skb->mark && | |
6892158b | 1237 | @@ -2349,12 +2374,25 @@ skip_cache: |
58c5fc13 MT |
1238 | rcu_read_unlock(); |
1239 | return -EINVAL; | |
1240 | } | |
6892158b MT |
1241 | - res = ip_route_input_slow(skb, daddr, saddr, tos, dev); |
1242 | + res = ip_route_input_slow(skb, daddr, saddr, tos, dev, lsrc); | |
1243 | rcu_read_unlock(); | |
1244 | return res; | |
1245 | } | |
58c5fc13 | 1246 | + |
57199397 MT |
1247 | +int ip_route_input_common(struct sk_buff *skb, __be32 daddr, __be32 saddr, |
1248 | + u8 tos, struct net_device *dev, bool noref) | |
58c5fc13 | 1249 | +{ |
57199397 | 1250 | + return ip_route_input_cached(skb, daddr, saddr, tos, dev, noref, 0); |
6892158b | 1251 | +} |
57199397 MT |
1252 | EXPORT_SYMBOL(ip_route_input_common); |
1253 | ||
58c5fc13 MT |
1254 | +int ip_route_input_lookup(struct sk_buff *skb, __be32 daddr, __be32 saddr, |
1255 | + u8 tos, struct net_device *dev, __be32 lsrc) | |
1256 | +{ | |
57199397 MT |
1257 | + return ip_route_input_cached(skb, daddr, saddr, tos, dev, true, lsrc); |
1258 | +} | |
6892158b | 1259 | +EXPORT_SYMBOL(ip_route_input_lookup); |
57199397 | 1260 | + |
58c5fc13 | 1261 | static int __mkroute_output(struct rtable **result, |
57199397 MT |
1262 | struct fib_result *res, |
1263 | const struct flowi *fl, | |
6892158b | 1264 | @@ -2424,6 +2462,7 @@ static int __mkroute_output(struct rtabl |
58c5fc13 MT |
1265 | rth->fl.fl4_tos = tos; |
1266 | rth->fl.fl4_src = oldflp->fl4_src; | |
1267 | rth->fl.oif = oldflp->oif; | |
1268 | + rth->fl.fl4_gw = oldflp->fl4_gw; | |
1269 | rth->fl.mark = oldflp->mark; | |
1270 | rth->rt_dst = fl->fl4_dst; | |
1271 | rth->rt_src = fl->fl4_src; | |
6892158b | 1272 | @@ -2506,6 +2545,7 @@ static int ip_route_output_slow(struct n |
58c5fc13 MT |
1273 | struct flowi fl = { .nl_u = { .ip4_u = |
1274 | { .daddr = oldflp->fl4_dst, | |
1275 | .saddr = oldflp->fl4_src, | |
1276 | + .gw = oldflp->fl4_gw, | |
1277 | .tos = tos & IPTOS_RT_MASK, | |
1278 | .scope = ((tos & RTO_ONLINK) ? | |
1279 | RT_SCOPE_LINK : | |
6892158b | 1280 | @@ -2617,6 +2657,7 @@ static int ip_route_output_slow(struct n |
58c5fc13 MT |
1281 | dev_out = net->loopback_dev; |
1282 | dev_hold(dev_out); | |
1283 | fl.oif = net->loopback_dev->ifindex; | |
1284 | + fl.fl4_gw = 0; | |
1285 | res.type = RTN_LOCAL; | |
1286 | flags |= RTCF_LOCAL; | |
1287 | goto make_route; | |
6892158b | 1288 | @@ -2624,7 +2665,7 @@ static int ip_route_output_slow(struct n |
58c5fc13 MT |
1289 | |
1290 | if (fib_lookup(net, &fl, &res)) { | |
1291 | res.fi = NULL; | |
1292 | - if (oldflp->oif) { | |
1293 | + if (oldflp->oif && dev_out->flags & IFF_UP) { | |
1294 | /* Apparently, routing tables are wrong. Assume, | |
1295 | that the destination is on link. | |
1296 | ||
6892158b | 1297 | @@ -2664,6 +2705,7 @@ static int ip_route_output_slow(struct n |
58c5fc13 MT |
1298 | dev_out = net->loopback_dev; |
1299 | dev_hold(dev_out); | |
1300 | fl.oif = dev_out->ifindex; | |
1301 | + fl.fl4_gw = 0; | |
1302 | if (res.fi) | |
1303 | fib_info_put(res.fi); | |
1304 | res.fi = NULL; | |
6892158b | 1305 | @@ -2671,13 +2713,12 @@ static int ip_route_output_slow(struct n |
58c5fc13 MT |
1306 | goto make_route; |
1307 | } | |
1308 | ||
1309 | + if (res.type == RTN_UNICAST) | |
1310 | + fib_select_default(net, &fl, &res); | |
1311 | #ifdef CONFIG_IP_ROUTE_MULTIPATH | |
1312 | - if (res.fi->fib_nhs > 1 && fl.oif == 0) | |
1313 | + if (res.fi->fib_nhs > 1) | |
1314 | fib_select_multipath(&fl, &res); | |
1315 | - else | |
1316 | #endif | |
1317 | - if (!res.prefixlen && res.type == RTN_UNICAST && !fl.oif) | |
1318 | - fib_select_default(net, &fl, &res); | |
1319 | ||
1320 | if (!fl.fl4_src) | |
1321 | fl.fl4_src = FIB_RES_PREFSRC(res); | |
6892158b | 1322 | @@ -2718,6 +2759,7 @@ int __ip_route_output_key(struct net *ne |
58c5fc13 MT |
1323 | rth->fl.fl4_src == flp->fl4_src && |
1324 | rth->fl.iif == 0 && | |
1325 | rth->fl.oif == flp->oif && | |
1326 | + rth->fl.fl4_gw == flp->fl4_gw && | |
1327 | rth->fl.mark == flp->mark && | |
1328 | !((rth->fl.fl4_tos ^ flp->fl4_tos) & | |
1329 | (IPTOS_RT_MASK | RTO_ONLINK)) && |