soreuseport: infrastructure

Definitions and macros for implementing soreusport.

Signed-off-by: Tom Herbert <therbert@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 7 insertions, 0 deletions

diff --git a/net/core/sock.c b/net/core/sock.c
index 8258fb741e9a..235fb89e8973 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -665,6 +665,9 @@ int sock_setsockopt(struct socket *sock, int level, int optname,
         case SO_REUSEADDR:
                 sk->sk_reuse = (valbool ? SK_CAN_REUSE : SK_NO_REUSE);
                 break;
+        case SO_REUSEPORT:
+                sk->sk_reuseport = valbool;
+                break;
         case SO_TYPE:
         case SO_PROTOCOL:
         case SO_DOMAIN:
@@ -972,6 +975,10 @@ int sock_getsockopt(struct socket *sock, int level, int optname,
                 v.val = sk->sk_reuse;
                 break;
 
+        case SO_REUSEPORT:
+                v.val = sk->sk_reuseport;
+                break;
+
         case SO_KEEPALIVE:
                 v.val = sock_flag(sk, SOCK_KEEPOPEN);
                 break;