diff options
| author | David Ahern <dsahern@gmail.com> | 2018-03-02 19:32:17 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2018-03-04 21:04:22 +0300 |
| commit | b75cc8f90f07342467b3bd51dbc0054f185032c9 (patch) | |
| tree | c60c0be94f8d29690af3a997d6672724192f2634 /include | |
| parent | 3192dac64c73d8c0eb4274a3da23d829fb5177af (diff) | |
| download | linux-b75cc8f90f07342467b3bd51dbc0054f185032c9.tar.xz | |
net/ipv6: Pass skb to route lookup
IPv6 does path selection for multipath routes deep in the lookup
functions. The next patch adds L4 hash option and needs the skb
for the forward path. To get the skb to the relevant FIB lookup
functions it needs to go through the fib rules layer, so add a
lookup_data argument to the fib_lookup_arg struct.
Signed-off-by: David Ahern <dsahern@gmail.com>
Reviewed-by: Ido Schimmel <idosch@mellanox.com>
Reviewed-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include')
| -rw-r--r-- | include/net/fib_rules.h | 1 | ||||
| -rw-r--r-- | include/net/ip6_fib.h | 4 | ||||
| -rw-r--r-- | include/net/ip6_route.h | 11 |
3 files changed, 11 insertions, 5 deletions
diff --git a/include/net/fib_rules.h b/include/net/fib_rules.h index 1c9e17c11953..e5cfcfc7dd93 100644 --- a/include/net/fib_rules.h +++ b/include/net/fib_rules.h @@ -47,6 +47,7 @@ struct fib_rule { struct fib_lookup_arg { void *lookup_ptr; + const void *lookup_data; void *result; struct fib_rule *rule; u32 table; diff --git a/include/net/ip6_fib.h b/include/net/ip6_fib.h index 8d906a35b534..5e86fd9dc857 100644 --- a/include/net/ip6_fib.h +++ b/include/net/ip6_fib.h @@ -350,7 +350,8 @@ struct fib6_table { typedef struct rt6_info *(*pol_lookup_t)(struct net *, struct fib6_table *, - struct flowi6 *, int); + struct flowi6 *, + const struct sk_buff *, int); struct fib6_entry_notifier_info { struct fib_notifier_info info; /* must be first */ @@ -364,6 +365,7 @@ struct fib6_entry_notifier_info { struct fib6_table *fib6_get_table(struct net *net, u32 id); struct fib6_table *fib6_new_table(struct net *net, u32 id); struct dst_entry *fib6_rule_lookup(struct net *net, struct flowi6 *fl6, + const struct sk_buff *skb, int flags, pol_lookup_t lookup); struct fib6_node *fib6_lookup(struct fib6_node *root, diff --git a/include/net/ip6_route.h b/include/net/ip6_route.h index da2bde5fda8f..9594f9317952 100644 --- a/include/net/ip6_route.h +++ b/include/net/ip6_route.h @@ -75,7 +75,8 @@ static inline bool rt6_qualify_for_ecmp(const struct rt6_info *rt) void ip6_route_input(struct sk_buff *skb); struct dst_entry *ip6_route_input_lookup(struct net *net, struct net_device *dev, - struct flowi6 *fl6, int flags); + struct flowi6 *fl6, + const struct sk_buff *skb, int flags); struct dst_entry *ip6_route_output_flags(struct net *net, const struct sock *sk, struct flowi6 *fl6, int flags); @@ -88,9 +89,10 @@ static inline struct dst_entry *ip6_route_output(struct net *net, } struct dst_entry *ip6_route_lookup(struct net *net, struct flowi6 *fl6, - int flags); + const struct sk_buff *skb, int flags); struct rt6_info *ip6_pol_route(struct net *net, struct fib6_table *table, - int ifindex, struct flowi6 *fl6, int flags); + int ifindex, struct flowi6 *fl6, + const struct sk_buff *skb, int flags); void ip6_route_init_special_entries(void); int ip6_route_init(void); @@ -126,7 +128,8 @@ static inline int ip6_route_get_saddr(struct net *net, struct rt6_info *rt, } struct rt6_info *rt6_lookup(struct net *net, const struct in6_addr *daddr, - const struct in6_addr *saddr, int oif, int flags); + const struct in6_addr *saddr, int oif, + const struct sk_buff *skb, int flags); u32 rt6_multipath_hash(const struct flowi6 *fl6, const struct sk_buff *skb, struct flow_keys *hkeys); |