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Diffstat (limited to 'include/net/ip_fib.h')
-rw-r--r--include/net/ip_fib.h32
1 files changed, 28 insertions, 4 deletions
diff --git a/include/net/ip_fib.h b/include/net/ip_fib.h
index 6e7984bfb986..b4495c38e0a0 100644
--- a/include/net/ip_fib.h
+++ b/include/net/ip_fib.h
@@ -22,6 +22,8 @@
#include <linux/percpu.h>
#include <linux/notifier.h>
#include <linux/refcount.h>
+#include <linux/ip.h>
+#include <linux/in_route.h>
struct fib_config {
u8 fc_dst_len;
@@ -160,6 +162,8 @@ struct fib_info {
struct fib_nh fib_nh[] __counted_by(fib_nhs);
};
+int __net_init fib4_semantics_init(struct net *net);
+void __net_exit fib4_semantics_exit(struct net *net);
#ifdef CONFIG_IP_MULTIPLE_TABLES
struct fib_rule;
@@ -173,6 +177,7 @@ struct fib_result {
unsigned char type;
unsigned char scope;
u32 tclassid;
+ dscp_t dscp;
struct fib_nh_common *nhc;
struct fib_info *fi;
struct fib_table *table;
@@ -344,7 +349,7 @@ static inline int fib4_rules_dump(struct net *net, struct notifier_block *nb,
return 0;
}
-static inline unsigned int fib4_rules_seq_read(struct net *net)
+static inline unsigned int fib4_rules_seq_read(const struct net *net)
{
return 0;
}
@@ -408,7 +413,7 @@ static inline bool fib4_has_custom_rules(const struct net *net)
bool fib4_rule_default(const struct fib_rule *rule);
int fib4_rules_dump(struct net *net, struct notifier_block *nb,
struct netlink_ext_ack *extack);
-unsigned int fib4_rules_seq_read(struct net *net);
+unsigned int fib4_rules_seq_read(const struct net *net);
static inline bool fib4_rules_early_flow_dissect(struct net *net,
struct sk_buff *skb,
@@ -433,6 +438,11 @@ static inline bool fib4_rules_early_flow_dissect(struct net *net,
#endif /* CONFIG_IP_MULTIPLE_TABLES */
+static inline bool fib_dscp_masked_match(dscp_t dscp, const struct flowi4 *fl4)
+{
+ return dscp == (fl4->flowi4_dscp & INET_DSCP_LEGACY_TOS_MASK);
+}
+
/* Exported by fib_frontend.c */
extern const struct nla_policy rtm_ipv4_policy[];
void ip_fib_init(void);
@@ -441,8 +451,21 @@ int fib_gw_from_via(struct fib_config *cfg, struct nlattr *nla,
__be32 fib_compute_spec_dst(struct sk_buff *skb);
bool fib_info_nh_uses_dev(struct fib_info *fi, const struct net_device *dev);
int fib_validate_source(struct sk_buff *skb, __be32 src, __be32 dst,
- u8 tos, int oif, struct net_device *dev,
+ dscp_t dscp, int oif, struct net_device *dev,
struct in_device *idev, u32 *itag);
+
+static inline enum skb_drop_reason
+fib_validate_source_reason(struct sk_buff *skb, __be32 src, __be32 dst,
+ dscp_t dscp, int oif, struct net_device *dev,
+ struct in_device *idev, u32 *itag)
+{
+ int err = fib_validate_source(skb, src, dst, dscp, oif, dev, idev,
+ itag);
+ if (err < 0)
+ return -err;
+ return SKB_NOT_DROPPED_YET;
+}
+
#ifdef CONFIG_IP_ROUTE_CLASSID
static inline int fib_num_tclassid_users(struct net *net)
{
@@ -551,7 +574,8 @@ static inline u32 fib_multipath_hash_from_keys(const struct net *net,
int fib_check_nh(struct net *net, struct fib_nh *nh, u32 table, u8 scope,
struct netlink_ext_ack *extack);
-void fib_select_multipath(struct fib_result *res, int hash);
+void fib_select_multipath(struct fib_result *res, int hash,
+ const struct flowi4 *fl4);
void fib_select_path(struct net *net, struct fib_result *res,
struct flowi4 *fl4, const struct sk_buff *skb);