inet: add ireq_state field to inet_request_sock

We need to identify request sock when they'll be visible in
global ehash table.

ireq_state is an alias to req.__req_common.skc_state.

Its value is set to TCP_NEW_SYN_RECV

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/include/net/inet_sock.h b/include/net/inet_sock.h
index 30f7170..b31f01d 100644 (file)
--- a/include/net/inet_sock.h
+++ b/include/net/inet_sock.h
@@ -27,6 +27,7 @@
 #include <net/sock.h>
 #include <net/request_sock.h>
 #include <net/netns/hash.h>
+#include <net/tcp_states.h>
 
 /** struct ip_options - IP Options
  *
@@ -79,6 +80,7 @@ struct inet_request_sock {
 #define ir_iif                 req.__req_common.skc_bound_dev_if
 #define ir_cookie              req.__req_common.skc_cookie
 #define ireq_net               req.__req_common.skc_net
+#define ireq_state             req.__req_common.skc_state
 
        kmemcheck_bitfield_begin(flags);
        u16                     snd_wscale : 4,
@@ -250,6 +252,7 @@ static inline struct request_sock *inet_reqsk_alloc(struct request_sock_ops *ops
                kmemcheck_annotate_bitfield(ireq, flags);
                ireq->opt = NULL;
                atomic64_set(&ireq->ir_cookie, 0);
+               ireq->ireq_state = TCP_NEW_SYN_RECV;
        }
 
        return req;