diff options
| author | Eric Dumazet <edumazet@google.com> | 2014-09-06 00:33:33 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2014-09-06 02:49:33 +0200 |
| commit | 7faee5c0d514162853a343d93e4a0b6bb8bfec21 (patch) | |
| tree | ebaba03f755dfbe9d942fbe610ce3aecd1b0fc33 /include/net/tcp.h | |
| parent | tcp: introduce TCP_SKB_CB(skb)->tcp_tw_isn (diff) | |
| download | linux-7faee5c0d514162853a343d93e4a0b6bb8bfec21.tar.xz linux-7faee5c0d514162853a343d93e4a0b6bb8bfec21.zip | |
tcp: remove TCP_SKB_CB(skb)->when
After commit 740b0f1841f6 ("tcp: switch rtt estimations to usec resolution"),
we no longer need to maintain timestamps in two different fields.
TCP_SKB_CB(skb)->when can be removed, as same information sits in skb_mstamp.stamp_jiffies
Signed-off-by: Eric Dumazet <edumazet@google.com>
Acked-by: Yuchung Cheng <ycheng@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net/tcp.h')
| -rw-r--r-- | include/net/tcp.h | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/include/net/tcp.h b/include/net/tcp.h index 0cd7d2c65dc0..a4201ef216e8 100644 --- a/include/net/tcp.h +++ b/include/net/tcp.h @@ -672,6 +672,12 @@ void tcp_send_window_probe(struct sock *sk); */ #define tcp_time_stamp ((__u32)(jiffies)) +static inline u32 tcp_skb_timestamp(const struct sk_buff *skb) +{ + return skb->skb_mstamp.stamp_jiffies; +} + + #define tcp_flag_byte(th) (((u_int8_t *)th)[13]) #define TCPHDR_FIN 0x01 @@ -698,12 +704,7 @@ struct tcp_skb_cb { } header; /* For incoming frames */ __u32 seq; /* Starting sequence number */ __u32 end_seq; /* SEQ + FIN + SYN + datalen */ - union { - /* used in output path */ - __u32 when; /* used to compute rtt's */ - /* used in input path */ - __u32 tcp_tw_isn; /* isn chosen by tcp_timewait_state_process() */ - }; + __u32 tcp_tw_isn; /* isn chosen by tcp_timewait_state_process() */ __u8 tcp_flags; /* TCP header flags. (tcp[13]) */ __u8 sacked; /* State flags for SACK/FACK. */ |