From owner-p4-projects@FreeBSD.ORG Tue Jun 2 13:26:08 2009 Return-Path: Delivered-To: p4-projects@freebsd.org Received: by hub.freebsd.org (Postfix, from userid 32767) id 2E0C01065673; Tue, 2 Jun 2009 13:26:08 +0000 (UTC) Delivered-To: perforce@FreeBSD.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id E011D106566B for ; Tue, 2 Jun 2009 13:26:07 +0000 (UTC) (envelope-from fangwang@FreeBSD.org) Received: from repoman.freebsd.org (repoman.freebsd.org [IPv6:2001:4f8:fff6::29]) by mx1.freebsd.org (Postfix) with ESMTP id CEC0C8FC13 for ; Tue, 2 Jun 2009 13:26:07 +0000 (UTC) (envelope-from fangwang@FreeBSD.org) Received: from repoman.freebsd.org (localhost [127.0.0.1]) by repoman.freebsd.org (8.14.3/8.14.3) with ESMTP id n52DQ7Y7043723 for ; Tue, 2 Jun 2009 13:26:07 GMT (envelope-from fangwang@FreeBSD.org) Received: (from perforce@localhost) by repoman.freebsd.org (8.14.3/8.14.3/Submit) id n52DQ7fO043721 for perforce@freebsd.org; Tue, 2 Jun 2009 13:26:07 GMT (envelope-from fangwang@FreeBSD.org) Date: Tue, 2 Jun 2009 13:26:07 GMT Message-Id: <200906021326.n52DQ7fO043721@repoman.freebsd.org> X-Authentication-Warning: repoman.freebsd.org: perforce set sender to fangwang@FreeBSD.org using -f From: Fang Wang To: Perforce Change Reviews Cc: Subject: PERFORCE change 163351 for review X-BeenThere: p4-projects@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: p4 projects tree changes List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 02 Jun 2009 13:26:09 -0000 http://perforce.freebsd.org/chv.cgi?CH=163351 Change 163351 by fangwang@fangwang_utobsd on 2009/06/02 13:25:39 Add uto relative variables to struct tcpch. Add some macro defines. Affected files ... .. //depot/projects/soc2009/tcputo/src/sys/netinet/tcp_var.h#2 edit Differences ... ==== //depot/projects/soc2009/tcputo/src/sys/netinet/tcp_var.h#2 (text+ko) ==== @@ -190,6 +190,15 @@ struct toe_usrreqs *t_tu; /* offload operations vector */ void *t_toe; /* TOE pcb pointer */ int t_bytes_acked; /* # bytes acked during current RTT */ + +/* user timeout variables (RFC 5482) */ + u_int t_rcvuto; /* received user timeout value */ + u_char rcv_uto_granularity:1; /* received user timeout granularity */ + u_int t_snduto; /* send user timeout value */ + u_char snd_uto_granularity:1; /* received user timeout granularity */ + u_char uto_enable:1; /* flag controls whether the UTO option is enabled for a connection */ + u_char uto_changeable:1; /* flag that controls whether USER_TIMEOUT may be changed based on t_rcvuto */ + u_int t_uto; /* implemented user timeout value */ }; /* @@ -221,6 +230,7 @@ #define TF_ECN_PERMIT 0x4000000 /* connection ECN-ready */ #define TF_ECN_SND_CWR 0x8000000 /* ECN CWR in queue */ #define TF_ECN_SND_ECE 0x10000000 /* ECN ECE in queue */ +#define TF_RCVD_UTO 0x20000000 /* a user timeout was received in SYN */ #define IN_FASTRECOVERY(tp) (tp->t_flags & TF_FASTRECOVERY) #define ENTER_FASTRECOVERY(tp) tp->t_flags |= TF_FASTRECOVERY @@ -264,6 +274,7 @@ #define TOF_SIGNATURE 0x0040 /* TCP-MD5 signature option (RFC2385) */ #define TOF_SACK 0x0080 /* Peer sent SACK option */ #define TOF_MAXOPT 0x0100 +#define TOF_UTO 0x0200 /* user timeout (RFC5482) */ u_int32_t to_tsval; /* new timestamp */ u_int32_t to_tsecr; /* reflected timestamp */ u_int16_t to_mss; /* maximum segment size */