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, 4 insertions, 1 deletions

diff --git a/include/net/sock.h b/include/net/sock.h
index 5a34e2f03657..581dc6bd7dc6 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -140,6 +140,7 @@ typedef __u64 __bitwise __addrpair;
  *      @skc_family: network address family
  *      @skc_state: Connection state
  *      @skc_reuse: %SO_REUSEADDR setting
+ *      @skc_reuseport: %SO_REUSEPORT setting
  *      @skc_bound_dev_if: bound device index if != 0
  *      @skc_bind_node: bind hash linkage for various protocol lookup tables
  *      @skc_portaddr_node: second hash linkage for UDP/UDP-Lite protocol
@@ -179,7 +180,8 @@ struct sock_common {
 
         unsigned short          skc_family;
         volatile unsigned char  skc_state;
-        unsigned char           skc_reuse;
+        unsigned char           skc_reuse:4;
+        unsigned char           skc_reuseport:4;
         int                     skc_bound_dev_if;
         union {
                 struct hlist_node       skc_bind_node;
@@ -297,6 +299,7 @@ struct sock {
 #define sk_family               __sk_common.skc_family
 #define sk_state                __sk_common.skc_state
 #define sk_reuse                __sk_common.skc_reuse
+#define sk_reuseport            __sk_common.skc_reuseport
 #define sk_bound_dev_if         __sk_common.skc_bound_dev_if
 #define sk_bind_node            __sk_common.skc_bind_node
 #define sk_prot                 __sk_common.skc_prot