net: Make RFS socket operations not be inet specific.

Idea from Eric Dumazet.

As for placement inside of struct sock, I tried to choose a place
that otherwise has a 32-bit hole on 64-bit systems.

Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Eric Dumazet <eric.dumazet@gmail.com>

1 files changed, 0 insertions, 37 deletions

diff --git a/include/net/inet_sock.h b/include/net/inet_sock.h
index c1d42957b86b..1653de515cee 100644
--- a/include/net/inet_sock.h
+++ b/include/net/inet_sock.h
@@ -102,7 +102,6 @@ struct rtable;
  * @uc_ttl - Unicast TTL
  * @inet_sport - Source port
  * @inet_id - ID counter for DF pkts
- * @rxhash - flow hash received from netif layer
  * @tos - TOS
  * @mc_ttl - Multicasting TTL
  * @is_icsk - is this an inet_connection_sock?
@@ -126,9 +125,6 @@ struct inet_sock {
         __u16                   cmsg_flags;
         __be16                  inet_sport;
         __u16                   inet_id;
-#ifdef CONFIG_RPS
-        __u32                   rxhash;
-#endif
 
         struct ip_options       *opt;
         __u8                    tos;
@@ -224,37 +220,4 @@ static inline __u8 inet_sk_flowi_flags(const struct sock *sk)
         return inet_sk(sk)->transparent ? FLOWI_FLAG_ANYSRC : 0;
 }
 
-static inline void inet_rps_record_flow(const struct sock *sk)
-{
-#ifdef CONFIG_RPS
-        struct rps_sock_flow_table *sock_flow_table;
-
-        rcu_read_lock();
-        sock_flow_table = rcu_dereference(rps_sock_flow_table);
-        rps_record_sock_flow(sock_flow_table, inet_sk(sk)->rxhash);
-        rcu_read_unlock();
-#endif
-}
-
-static inline void inet_rps_reset_flow(const struct sock *sk)
-{
-#ifdef CONFIG_RPS
-        struct rps_sock_flow_table *sock_flow_table;
-
-        rcu_read_lock();
-        sock_flow_table = rcu_dereference(rps_sock_flow_table);
-        rps_reset_sock_flow(sock_flow_table, inet_sk(sk)->rxhash);
-        rcu_read_unlock();
-#endif
-}
-
-static inline void inet_rps_save_rxhash(struct sock *sk, u32 rxhash)
-{
-#ifdef CONFIG_RPS
-        if (unlikely(inet_sk(sk)->rxhash != rxhash)) {
-                inet_rps_reset_flow(sk);
-                inet_sk(sk)->rxhash = rxhash;
-        }
-#endif
-}
 #endif  /* _INET_SOCK_H */