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cc_mod: remove unused CCF_DELACK definition

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During the DCTCP improvements, use of CCF_DELACK was
removed. This change is just to rename the unused flag
bit to prevent use of it, without also re-implementing
the tcp_input and tcp_output interfaces.

No functional change.

Reviewed by:	chengc_netapp.com, tuexen
MFC after:	2 weeks
Sponsored by:	NetApp, Inc.
Differential Revision:	https://reviews.freebsd.org/D26181
This commit is contained in:
Richard Scheffenegger 2020-09-10 00:46:38 +00:00
parent 19fabdb70c
commit e74e64a191
1 changed files with 1 additions and 1 deletions
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2
sys/netinet/cc/cc.h
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@ -96,7 +96,7 @@ struct cc_var {
/* cc_var flags. */
#define CCF_ABC_SENTAWND 0x0001 /* ABC counted cwnd worth of bytes? */
#define CCF_CWND_LIMITED 0x0002 /* Are we currently cwnd limited? */
#define CCF_DELACK 0x0004 /* Is this ack delayed? */
#define CCF_UNUSED1 0x0004 /* unused */
#define CCF_ACKNOW 0x0008 /* Will this ack be sent now? */
#define CCF_IPHDR_CE 0x0010 /* Does this packet set CE bit? */
#define CCF_TCPHDR_CWR 0x0020 /* Does this packet set CWR bit? */