xiaomi-sm8450/android_kernel_xiaomi_sm8450
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tcp: Replace constants with #define macros

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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>
This commit is contained in:
Vijay Subramanian
2011-12-20 13:23:24 +00:00
committed by David S. Miller
parent 08f4fc9da9
commit ab56222a32
4 changed files with 11 additions and 6 deletions
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net/ipv4/syncookies.c
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@@ -245,7 +245,7 @@ bool cookie_check_timestamp(struct tcp_options_received *tcp_opt, bool *ecn_ok)
if (!sysctl_tcp_timestamps)
return false;
tcp_opt->sack_ok = (options >> 4) & 0x1;
tcp_opt->sack_ok = (options & (1 << 4)) ? TCP_SACK_SEEN : 0;
*ecn_ok = (options >> 5) & 1;
if (*ecn_ok && !sysctl_tcp_ecn)
return false;