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| author | Vijay Subramanian <subramanian.vijay@gmail.com> | 2011-12-20 13:23:24 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2011-12-21 01:03:23 -0500 |
| commit | ab56222a32b9dbaae19c1d37f07b0ac4fc3c27ec (patch) | |
| tree | ce5eff7879a1d80c419835171de13e52c24afdfb /include/linux | |
| parent | 08f4fc9da9a04d59f5c937e06e375158abb68206 (diff) | |
| download | lwn-ab56222a32b9dbaae19c1d37f07b0ac4fc3c27ec.tar.gz lwn-ab56222a32b9dbaae19c1d37f07b0ac4fc3c27ec.zip | |
tcp: Replace constants with #define macros
to record the state of SACK/FACK and DSACK for better readability and maintenance.
Signed-off-by: Vijay Subramanian <subramanian.vijay@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/tcp.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/tcp.h b/include/linux/tcp.h index 7f59ee946983..46a85c9e1f25 100644 --- a/include/linux/tcp.h +++ b/include/linux/tcp.h @@ -238,6 +238,11 @@ struct tcp_sack_block { u32 end_seq; }; +/*These are used to set the sack_ok field in struct tcp_options_received */ +#define TCP_SACK_SEEN (1 << 0) /*1 = peer is SACK capable, */ +#define TCP_FACK_ENABLED (1 << 1) /*1 = FACK is enabled locally*/ +#define TCP_DSACK_SEEN (1 << 2) /*1 = DSACK was received from peer*/ + struct tcp_options_received { /* PAWS/RTTM data */ long ts_recent_stamp;/* Time we stored ts_recent (for aging) */ |