fib_rules.c (f43dc23d5ea91fca257be02138a255f02d98e806) fib_rules.c (c7066f70d9610df0b9406cc635fc09e86136e714)
1/*
2 * INET An implementation of the TCP/IP protocol suite for the LINUX
3 * operating system. INET is implemented using the BSD Socket
4 * interface as the means of communication with the user level.
5 *
6 * IPv4 Forwarding Information Base: policy rules.
7 *
8 * Authors: Alexey Kuznetsov, <kuznet@ms2.inr.ac.ru>

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36 struct fib_rule common;
37 u8 dst_len;
38 u8 src_len;
39 u8 tos;
40 __be32 src;
41 __be32 srcmask;
42 __be32 dst;
43 __be32 dstmask;
1/*
2 * INET An implementation of the TCP/IP protocol suite for the LINUX
3 * operating system. INET is implemented using the BSD Socket
4 * interface as the means of communication with the user level.
5 *
6 * IPv4 Forwarding Information Base: policy rules.
7 *
8 * Authors: Alexey Kuznetsov, <kuznet@ms2.inr.ac.ru>

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36 struct fib_rule common;
37 u8 dst_len;
38 u8 src_len;
39 u8 tos;
40 __be32 src;
41 __be32 srcmask;
42 __be32 dst;
43 __be32 dstmask;
44#ifdef CONFIG_NET_CLS_ROUTE
44#ifdef CONFIG_IP_ROUTE_CLASSID
45 u32 tclassid;
46#endif
47};
48
45 u32 tclassid;
46#endif
47};
48
49#ifdef CONFIG_NET_CLS_ROUTE
49#ifdef CONFIG_IP_ROUTE_CLASSID
50u32 fib_rules_tclass(struct fib_result *res)
51{
52 return res->r ? ((struct fib4_rule *) res->r)->tclassid : 0;
53}
54#endif
55
56int fib_lookup(struct net *net, struct flowi *flp, struct fib_result *res)
57{

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160 }
161
162 if (frh->src_len)
163 rule4->src = nla_get_be32(tb[FRA_SRC]);
164
165 if (frh->dst_len)
166 rule4->dst = nla_get_be32(tb[FRA_DST]);
167
50u32 fib_rules_tclass(struct fib_result *res)
51{
52 return res->r ? ((struct fib4_rule *) res->r)->tclassid : 0;
53}
54#endif
55
56int fib_lookup(struct net *net, struct flowi *flp, struct fib_result *res)
57{

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160 }
161
162 if (frh->src_len)
163 rule4->src = nla_get_be32(tb[FRA_SRC]);
164
165 if (frh->dst_len)
166 rule4->dst = nla_get_be32(tb[FRA_DST]);
167
168#ifdef CONFIG_NET_CLS_ROUTE
168#ifdef CONFIG_IP_ROUTE_CLASSID
169 if (tb[FRA_FLOW])
170 rule4->tclassid = nla_get_u32(tb[FRA_FLOW]);
171#endif
172
173 rule4->src_len = frh->src_len;
174 rule4->srcmask = inet_make_mask(rule4->src_len);
175 rule4->dst_len = frh->dst_len;
176 rule4->dstmask = inet_make_mask(rule4->dst_len);

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190 return 0;
191
192 if (frh->dst_len && (rule4->dst_len != frh->dst_len))
193 return 0;
194
195 if (frh->tos && (rule4->tos != frh->tos))
196 return 0;
197
169 if (tb[FRA_FLOW])
170 rule4->tclassid = nla_get_u32(tb[FRA_FLOW]);
171#endif
172
173 rule4->src_len = frh->src_len;
174 rule4->srcmask = inet_make_mask(rule4->src_len);
175 rule4->dst_len = frh->dst_len;
176 rule4->dstmask = inet_make_mask(rule4->dst_len);

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190 return 0;
191
192 if (frh->dst_len && (rule4->dst_len != frh->dst_len))
193 return 0;
194
195 if (frh->tos && (rule4->tos != frh->tos))
196 return 0;
197
198#ifdef CONFIG_NET_CLS_ROUTE
198#ifdef CONFIG_IP_ROUTE_CLASSID
199 if (tb[FRA_FLOW] && (rule4->tclassid != nla_get_u32(tb[FRA_FLOW])))
200 return 0;
201#endif
202
203 if (frh->src_len && (rule4->src != nla_get_be32(tb[FRA_SRC])))
204 return 0;
205
206 if (frh->dst_len && (rule4->dst != nla_get_be32(tb[FRA_DST])))

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219 frh->tos = rule4->tos;
220
221 if (rule4->dst_len)
222 NLA_PUT_BE32(skb, FRA_DST, rule4->dst);
223
224 if (rule4->src_len)
225 NLA_PUT_BE32(skb, FRA_SRC, rule4->src);
226
199 if (tb[FRA_FLOW] && (rule4->tclassid != nla_get_u32(tb[FRA_FLOW])))
200 return 0;
201#endif
202
203 if (frh->src_len && (rule4->src != nla_get_be32(tb[FRA_SRC])))
204 return 0;
205
206 if (frh->dst_len && (rule4->dst != nla_get_be32(tb[FRA_DST])))

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219 frh->tos = rule4->tos;
220
221 if (rule4->dst_len)
222 NLA_PUT_BE32(skb, FRA_DST, rule4->dst);
223
224 if (rule4->src_len)
225 NLA_PUT_BE32(skb, FRA_SRC, rule4->src);
226
227#ifdef CONFIG_NET_CLS_ROUTE
227#ifdef CONFIG_IP_ROUTE_CLASSID
228 if (rule4->tclassid)
229 NLA_PUT_U32(skb, FRA_FLOW, rule4->tclassid);
230#endif
231 return 0;
232
233nla_put_failure:
234 return -ENOBUFS;
235}

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228 if (rule4->tclassid)
229 NLA_PUT_U32(skb, FRA_FLOW, rule4->tclassid);
230#endif
231 return 0;
232
233nla_put_failure:
234 return -ENOBUFS;
235}

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