tcp: tsq: add tsq_flags / tsq_enum

This is a cleanup, to ease code review of following patches.

Old 'enum tsq_flags' is renamed, and a new enumeration is added
with the flags used in cmpxchg() operations as opposed to
single bit operations.

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

1 files changed, 10 insertions, 1 deletions

diff --git a/include/linux/tcp.h b/include/linux/tcp.h
index 734bab4c3bef..d8be083ab0b0 100644
--- a/include/linux/tcp.h
+++ b/include/linux/tcp.h
@@ -364,7 +364,7 @@ struct tcp_sock {
         u32     *saved_syn;
 };
 
-enum tsq_flags {
+enum tsq_enum {
         TSQ_THROTTLED,
         TSQ_QUEUED,
         TCP_TSQ_DEFERRED,          /* tcp_tasklet_func() found socket was owned */
@@ -375,6 +375,15 @@ enum tsq_flags {
                                     */
 };
 
+enum tsq_flags {
+        TSQF_THROTTLED                  = (1UL << TSQ_THROTTLED),
+        TSQF_QUEUED                     = (1UL << TSQ_QUEUED),
+        TCPF_TSQ_DEFERRED               = (1UL << TCP_TSQ_DEFERRED),
+        TCPF_WRITE_TIMER_DEFERRED       = (1UL << TCP_WRITE_TIMER_DEFERRED),
+        TCPF_DELACK_TIMER_DEFERRED      = (1UL << TCP_DELACK_TIMER_DEFERRED),
+        TCPF_MTU_REDUCED_DEFERRED       = (1UL << TCP_MTU_REDUCED_DEFERRED),
+};
+
 static inline struct tcp_sock *tcp_sk(const struct sock *sk)
 {
         return (struct tcp_sock *)sk;