Date: Sun, 22 Mar 2009 22:05:37 GMT From: Andre Oppermann <andre@FreeBSD.org> To: Perforce Change Reviews <perforce@freebsd.org> Subject: PERFORCE change 159638 for review Message-ID: <200903222205.n2MM5bIa031178@repoman.freebsd.org>
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http://perforce.freebsd.org/chv.cgi?CH=159638 Change 159638 by andre@andre_t61 on 2009/03/22 22:04:51 Split the states the TCP sender can be in into clearly distinct phases to simplify the logic all over the place. Affected files ... .. //depot/projects/tcp_new/netinet/tcp_var.h#5 edit Differences ... ==== //depot/projects/tcp_new/netinet/tcp_var.h#5 (text+ko) ==== @@ -137,9 +137,14 @@ #define TF_TSO 0x1000000 /* TSO enabled on this connection */ - u_int t_cflags; /* congestion control flags */ -#define TF_FASTRECOVERY 0x0100000 /* in NewReno Fast Recovery */ -#define TF_WASFRECOVERY 0x0200000 /* was in NewReno Fast Recovery */ + u_int t_phase; /* send phase we are currently in */ +#define TP_IDLE 0 /* nothing to send */ +#define TP_SLOWSTART 1 /* slow start */ +#define TP_CONGAVOID 2 /* congestion avoidance */ +#define TP_LOSSRECOV 3 /* loss recovery */ +#define TP_LOSSREXMT 4 /* loss recovery failed, retransmit */ +#define TP_PERSIST 5 /* persistent mode */ +#define TP_URGENT 6 /* urgent mode */ int t_softerror; /* possible error not yet reported */help
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