net-timestamp: add key to disambiguate concurrent datagrams

[cascardo/linux.git] / include / net / sock.h

diff --git a/include/net/sock.h b/include/net/sock.h
index a211297..52fe0bc 100644 (file)
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -280,6 +280,7 @@ struct cg_proto;
   *    @sk_timer: sock cleanup timer
   *    @sk_stamp: time stamp of last packet received
   *    @sk_tsflags: SO_TIMESTAMPING socket options
+  *    @sk_tskey: counter to disambiguate concurrent tstamp requests
   *    @sk_socket: Identd and reporting IO signals
   *    @sk_user_data: RPC layer private data
   *    @sk_frag: cached page frag
@@ -414,6 +415,7 @@ struct sock {
        struct timer_list       sk_timer;
        ktime_t                 sk_stamp;
        u16                     sk_tsflags;
+       u32                     sk_tskey;
        struct socket           *sk_socket;
        void                    *sk_user_data;
        struct page_frag        sk_frag;