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-rw-r--r--include/linux/fib_rules.h7
-rw-r--r--net/core/rtnetlink.c15
-rw-r--r--net/decnet/dn_rules.c2
-rw-r--r--net/ipv4/fib_rules.c2
-rw-r--r--net/ipv6/fib6_rules.c2
5 files changed, 20 insertions, 8 deletions
diff --git a/include/linux/fib_rules.h b/include/linux/fib_rules.h
index 51da65b68b8..405e41139a4 100644
--- a/include/linux/fib_rules.h
+++ b/include/linux/fib_rules.h
@@ -15,6 +15,13 @@
/* try to find source address in routing lookups */
#define FIB_RULE_FIND_SADDR 0x00010000
+/* fib_rules families. values up to 127 are reserved for real address
+ * families, values above 128 may be used arbitrarily.
+ */
+#define FIB_RULES_IPV4 AF_INET
+#define FIB_RULES_IPV6 AF_INET6
+#define FIB_RULES_DECNET AF_DECnet
+
struct fib_rule_hdr {
__u8 family;
__u8 dst_len;
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index bf919b6acea..78c85985cb3 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -118,7 +118,11 @@ static rtnl_doit_func rtnl_get_doit(int protocol, int msgindex)
{
struct rtnl_link *tab;
- tab = rtnl_msg_handlers[protocol];
+ if (protocol < NPROTO)
+ tab = rtnl_msg_handlers[protocol];
+ else
+ tab = NULL;
+
if (tab == NULL || tab[msgindex].doit == NULL)
tab = rtnl_msg_handlers[PF_UNSPEC];
@@ -129,7 +133,11 @@ static rtnl_dumpit_func rtnl_get_dumpit(int protocol, int msgindex)
{
struct rtnl_link *tab;
- tab = rtnl_msg_handlers[protocol];
+ if (protocol < NPROTO)
+ tab = rtnl_msg_handlers[protocol];
+ else
+ tab = NULL;
+
if (tab == NULL || tab[msgindex].dumpit == NULL)
tab = rtnl_msg_handlers[PF_UNSPEC];
@@ -1444,9 +1452,6 @@ static int rtnetlink_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
return 0;
family = ((struct rtgenmsg *)NLMSG_DATA(nlh))->rtgen_family;
- if (family >= NPROTO)
- return -EAFNOSUPPORT;
-
sz_idx = type>>2;
kind = type&3;
diff --git a/net/decnet/dn_rules.c b/net/decnet/dn_rules.c
index 1c8cc6d5b64..af28dcc2184 100644
--- a/net/decnet/dn_rules.c
+++ b/net/decnet/dn_rules.c
@@ -217,7 +217,7 @@ static void dn_fib_rule_flush_cache(struct fib_rules_ops *ops)
}
static struct fib_rules_ops dn_fib_rules_ops_template = {
- .family = AF_DECnet,
+ .family = FIB_RULES_DECNET,
.rule_size = sizeof(struct dn_fib_rule),
.addr_size = sizeof(u16),
.action = dn_fib_rule_action,
diff --git a/net/ipv4/fib_rules.c b/net/ipv4/fib_rules.c
index a18355e1511..3ec84fea5b7 100644
--- a/net/ipv4/fib_rules.c
+++ b/net/ipv4/fib_rules.c
@@ -246,7 +246,7 @@ static void fib4_rule_flush_cache(struct fib_rules_ops *ops)
}
static struct fib_rules_ops fib4_rules_ops_template = {
- .family = AF_INET,
+ .family = FIB_RULES_IPV4,
.rule_size = sizeof(struct fib4_rule),
.addr_size = sizeof(u32),
.action = fib4_rule_action,
diff --git a/net/ipv6/fib6_rules.c b/net/ipv6/fib6_rules.c
index 92b2b7fb6c3..8124f16f2ac 100644
--- a/net/ipv6/fib6_rules.c
+++ b/net/ipv6/fib6_rules.c
@@ -238,7 +238,7 @@ static size_t fib6_rule_nlmsg_payload(struct fib_rule *rule)
}
static struct fib_rules_ops fib6_rules_ops_template = {
- .family = AF_INET6,
+ .family = FIB_RULES_IPV6,
.rule_size = sizeof(struct fib6_rule),
.addr_size = sizeof(struct in6_addr),
.action = fib6_rule_action,