u8 dst_len;
u8 src_len;
u8 tos;
- u32 src;
- u32 srcmask;
- u32 dst;
- u32 dstmask;
-#ifdef CONFIG_IP_ROUTE_FWMARK
- u32 fwmark;
-#endif
+ __be32 src;
+ __be32 srcmask;
+ __be32 dst;
+ __be32 dstmask;
#ifdef CONFIG_NET_CLS_ROUTE
u32 tclassid;
#endif
};
-static struct fib4_rule default_rule = {
- .common = {
- .refcnt = ATOMIC_INIT(2),
- .pref = 0x7FFF,
- .table = RT_TABLE_DEFAULT,
- .action = FR_ACT_TO_TBL,
- },
-};
-
-static struct fib4_rule main_rule = {
- .common = {
- .refcnt = ATOMIC_INIT(2),
- .pref = 0x7FFE,
- .table = RT_TABLE_MAIN,
- .action = FR_ACT_TO_TBL,
- },
-};
-
-static struct fib4_rule local_rule = {
- .common = {
- .refcnt = ATOMIC_INIT(2),
- .table = RT_TABLE_LOCAL,
- .action = FR_ACT_TO_TBL,
- .flags = FIB_RULE_PERMANENT,
- },
-};
-
-static LIST_HEAD(fib4_rules);
-
#ifdef CONFIG_NET_CLS_ROUTE
u32 fib_rules_tclass(struct fib_result *res)
{
static int fib4_rule_match(struct fib_rule *rule, struct flowi *fl, int flags)
{
struct fib4_rule *r = (struct fib4_rule *) rule;
- u32 daddr = fl->fl4_dst;
- u32 saddr = fl->fl4_src;
+ __be32 daddr = fl->fl4_dst;
+ __be32 saddr = fl->fl4_src;
if (((saddr ^ r->src) & r->srcmask) ||
((daddr ^ r->dst) & r->dstmask))
if (r->tos && (r->tos != fl->fl4_tos))
return 0;
-#ifdef CONFIG_IP_ROUTE_FWMARK
- if (r->fwmark && (r->fwmark != fl->fl4_fwmark))
- return 0;
-#endif
-
return 1;
}
static struct fib_table *fib_empty_table(void)
{
- int id;
+ u32 id;
for (id = 1; id <= RT_TABLE_MAX; id++)
- if (fib_tables[id] == NULL)
- return __fib_new_table(id);
+ if (fib_get_table(id) == NULL)
+ return fib_new_table(id);
return NULL;
}
-static struct nla_policy fib4_rule_policy[FRA_MAX+1] __read_mostly = {
- [FRA_IFNAME] = { .type = NLA_STRING },
- [FRA_PRIORITY] = { .type = NLA_U32 },
- [FRA_SRC] = { .type = NLA_U32 },
- [FRA_DST] = { .type = NLA_U32 },
- [FRA_FWMARK] = { .type = NLA_U32 },
+static const struct nla_policy fib4_rule_policy[FRA_MAX+1] = {
+ FRA_GENERIC_POLICY,
[FRA_FLOW] = { .type = NLA_U32 },
};
int err = -EINVAL;
struct fib4_rule *rule4 = (struct fib4_rule *) rule;
- if (frh->src_len > 32 || frh->dst_len > 32 ||
- (frh->tos & ~IPTOS_TOS_MASK))
+ if (frh->tos & ~IPTOS_TOS_MASK)
goto errout;
if (rule->table == RT_TABLE_UNSPEC) {
}
}
- if (tb[FRA_SRC])
- rule4->src = nla_get_u32(tb[FRA_SRC]);
+ if (frh->src_len)
+ rule4->src = nla_get_be32(tb[FRA_SRC]);
- if (tb[FRA_DST])
- rule4->dst = nla_get_u32(tb[FRA_DST]);
-
-#ifdef CONFIG_IP_ROUTE_FWMARK
- if (tb[FRA_FWMARK])
- rule4->fwmark = nla_get_u32(tb[FRA_FWMARK]);
-#endif
+ if (frh->dst_len)
+ rule4->dst = nla_get_be32(tb[FRA_DST]);
#ifdef CONFIG_NET_CLS_ROUTE
if (tb[FRA_FLOW])
if (frh->tos && (rule4->tos != frh->tos))
return 0;
-#ifdef CONFIG_IP_ROUTE_FWMARK
- if (tb[FRA_FWMARK] && (rule4->fwmark != nla_get_u32(tb[FRA_FWMARK])))
- return 0;
-#endif
-
#ifdef CONFIG_NET_CLS_ROUTE
if (tb[FRA_FLOW] && (rule4->tclassid != nla_get_u32(tb[FRA_FLOW])))
return 0;
#endif
- if (tb[FRA_SRC] && (rule4->src != nla_get_u32(tb[FRA_SRC])))
+ if (frh->src_len && (rule4->src != nla_get_be32(tb[FRA_SRC])))
return 0;
- if (tb[FRA_DST] && (rule4->dst != nla_get_u32(tb[FRA_DST])))
+ if (frh->dst_len && (rule4->dst != nla_get_be32(tb[FRA_DST])))
return 0;
return 1;
frh->src_len = rule4->src_len;
frh->tos = rule4->tos;
-#ifdef CONFIG_IP_ROUTE_FWMARK
- if (rule4->fwmark)
- NLA_PUT_U32(skb, FRA_FWMARK, rule4->fwmark);
-#endif
-
if (rule4->dst_len)
- NLA_PUT_U32(skb, FRA_DST, rule4->dst);
+ NLA_PUT_BE32(skb, FRA_DST, rule4->dst);
if (rule4->src_len)
- NLA_PUT_U32(skb, FRA_SRC, rule4->src);
+ NLA_PUT_BE32(skb, FRA_SRC, rule4->src);
#ifdef CONFIG_NET_CLS_ROUTE
if (rule4->tclassid)
return -ENOBUFS;
}
-int fib4_rules_dump(struct sk_buff *skb, struct netlink_callback *cb)
-{
- return fib_rules_dump(skb, cb, AF_INET);
-}
-
static u32 fib4_rule_default_pref(void)
{
struct list_head *pos;
struct fib_rule *rule;
- if (!list_empty(&fib4_rules)) {
- pos = fib4_rules.next;
- if (pos->next != &fib4_rules) {
+ if (!list_empty(&fib4_rules_ops.rules_list)) {
+ pos = fib4_rules_ops.rules_list.next;
+ if (pos->next != &fib4_rules_ops.rules_list) {
rule = list_entry(pos->next, struct fib_rule, list);
if (rule->pref)
return rule->pref - 1;
return 0;
}
+static size_t fib4_rule_nlmsg_payload(struct fib_rule *rule)
+{
+ return nla_total_size(4) /* dst */
+ + nla_total_size(4) /* src */
+ + nla_total_size(4); /* flow */
+}
+
+static void fib4_rule_flush_cache(void)
+{
+ rt_cache_flush(-1);
+}
+
static struct fib_rules_ops fib4_rules_ops = {
.family = AF_INET,
.rule_size = sizeof(struct fib4_rule),
+ .addr_size = sizeof(u32),
.action = fib4_rule_action,
.match = fib4_rule_match,
.configure = fib4_rule_configure,
.compare = fib4_rule_compare,
.fill = fib4_rule_fill,
.default_pref = fib4_rule_default_pref,
+ .nlmsg_payload = fib4_rule_nlmsg_payload,
+ .flush_cache = fib4_rule_flush_cache,
.nlgroup = RTNLGRP_IPV4_RULE,
.policy = fib4_rule_policy,
- .rules_list = &fib4_rules,
+ .rules_list = LIST_HEAD_INIT(fib4_rules_ops.rules_list),
.owner = THIS_MODULE,
};
-void __init fib4_rules_init(void)
+static int __init fib_default_rules_init(void)
{
- list_add_tail(&local_rule.common.list, &fib4_rules);
- list_add_tail(&main_rule.common.list, &fib4_rules);
- list_add_tail(&default_rule.common.list, &fib4_rules);
+ int err;
+
+ err = fib_default_rule_add(&fib4_rules_ops, 0,
+ RT_TABLE_LOCAL, FIB_RULE_PERMANENT);
+ if (err < 0)
+ return err;
+ err = fib_default_rule_add(&fib4_rules_ops, 0x7FFE,
+ RT_TABLE_MAIN, 0);
+ if (err < 0)
+ return err;
+ err = fib_default_rule_add(&fib4_rules_ops, 0x7FFF,
+ RT_TABLE_DEFAULT, 0);
+ if (err < 0)
+ return err;
+ return 0;
+}
+void __init fib4_rules_init(void)
+{
+ BUG_ON(fib_default_rules_init());
fib_rules_register(&fib4_rules_ops);
}
projects / linux-2.6-omap-h63xx.git / blobdiff