Date: Tue, 4 Jan 2011 16:51:24 +0000 (UTC) From: "George V. Neville-Neil" <gnn@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-8@freebsd.org Subject: svn commit: r216964 - stable/8/usr.bin/netstat Message-ID: <201101041651.p04GpO15046054@svn.freebsd.org>
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Author: gnn Date: Tue Jan 4 16:51:24 2011 New Revision: 216964 URL: http://svn.freebsd.org/changeset/base/216964 Log: MFC: 215434, 215724 Add new, per connection, statistics for TCP, including: Retransmitted Packets Zero Window Advertisements Out of Order Receives These statistics are available via the -T argument to netstat(1). Modified: stable/8/usr.bin/netstat/inet.c stable/8/usr.bin/netstat/main.c stable/8/usr.bin/netstat/netstat.1 stable/8/usr.bin/netstat/netstat.h Modified: stable/8/usr.bin/netstat/inet.c ============================================================================== --- stable/8/usr.bin/netstat/inet.c Tue Jan 4 16:29:07 2011 (r216963) +++ stable/8/usr.bin/netstat/inet.c Tue Jan 4 16:51:24 2011 (r216964) @@ -408,21 +408,29 @@ protopr(u_long off, const char *name, in if (Lflag) printf("%-5.5s %-14.14s %-22.22s\n", "Proto", "Listen", "Local Address"); - else { + if (Tflag) + printf((Aflag && !Wflag) ? + "%-5.5s %-6.6s %-6.6s %-6.6s %-18.18s %s\n" : + "%-5.5s %-6.6s %-6.6s %-6.6s %-22.22s %s\n", + "Proto", "Rexmit", "OOORcv", "0-win", + "Local Address", "Foreign Address"); + if (xflag) { + printf("%-6.6s %-6.6s %-6.6s %-6.6s %-6.6s %-6.6s %-6.6s %-6.6s %-6.6s %-6.6s %-6.6s %-6.6s ", + "R-MBUF", "S-MBUF", "R-CLUS", + "S-CLUS", "R-HIWA", "S-HIWA", + "R-LOWA", "S-LOWA", "R-BCNT", + "S-BCNT", "R-BMAX", "S-BMAX"); + printf("%7.7s %7.7s %7.7s %7.7s %7.7s %7.7s\n", + "rexmt", "persist", "keep", + "2msl", "delack", "rcvtime"); + } + if (!xflag && !Tflag) { printf((Aflag && !Wflag) ? "%-5.5s %-6.6s %-6.6s %-18.18s %-18.18s" : "%-5.5s %-6.6s %-6.6s %-22.22s %-22.22s", "Proto", "Recv-Q", "Send-Q", "Local Address", "Foreign Address"); - if (xflag) - printf("%-6.6s %-6.6s %-6.6s %-6.6s %-6.6s %-6.6s %-6.6s %-6.6s %-6.6s %-6.6s %-6.6s %-6.6s %s\n", - "R-MBUF", "S-MBUF", "R-CLUS", - "S-CLUS", "R-HIWA", "S-HIWA", - "R-LOWA", "S-LOWA", "R-BCNT", - "S-BCNT", "R-BMAX", "S-BMAX", - "(state)"); - else - printf("(state)\n"); + printf("(state)\n"); } first = 0; } @@ -449,6 +457,10 @@ protopr(u_long off, const char *name, in snprintf(buf1, 15, "%d/%d/%d", so->so_qlen, so->so_incqlen, so->so_qlimit); printf("%-14.14s ", buf1); + } else if (Tflag) { + if (istcp) + printf("%6u %6u %6u ", tp->t_sndrexmitpack, + tp->t_rcvoopack, tp->t_sndzerowin); } else { printf("%6u %6u ", so->so_rcv.sb_cc, so->so_snd.sb_cc); } @@ -525,7 +537,7 @@ protopr(u_long off, const char *name, in so->so_rcv.sb_mbcnt, so->so_snd.sb_mbcnt, so->so_rcv.sb_mbmax, so->so_snd.sb_mbmax); } - if (istcp && !Lflag) { + if (istcp && !Lflag && !xflag && !Tflag) { if (tp->t_state < 0 || tp->t_state >= TCP_NSTATES) printf("%d", tp->t_state); else { Modified: stable/8/usr.bin/netstat/main.c ============================================================================== --- stable/8/usr.bin/netstat/main.c Tue Jan 4 16:29:07 2011 (r216963) +++ stable/8/usr.bin/netstat/main.c Tue Jan 4 16:51:24 2011 (r216964) @@ -340,6 +340,7 @@ int rflag; /* show routing tables (or r int sflag; /* show protocol statistics */ int tflag; /* show i/f watchdog timers */ int Wflag; /* wide display */ +int Tflag; /* TCP Information */ int xflag; /* extra information, includes all socket buffer info */ int zflag; /* zero stats */ @@ -359,7 +360,8 @@ main(int argc, char *argv[]) af = AF_UNSPEC; - while ((ch = getopt(argc, argv, "AaBbdf:ghI:iLlM:mN:np:q:rSstuWw:xz")) != -1) + while ((ch = getopt(argc, argv, "AaBbdf:ghI:iLlM:mN:np:Qq:rSTstuWw:xz")) + != -1) switch(ch) { case 'A': Aflag = 1; @@ -473,6 +475,9 @@ main(int argc, char *argv[]) interval = atoi(optarg); iflag = 1; break; + case 'T': + Tflag = 1; + break; case 'x': xflag = 1; break; @@ -512,6 +517,9 @@ main(int argc, char *argv[]) if (!live) setgid(getgid()); + if (xflag && Tflag) + errx(1, "-x and -T are incompatible, pick one."); + if (Bflag) { if (!live) usage(); @@ -782,7 +790,7 @@ static void usage(void) { (void)fprintf(stderr, "%s\n%s\n%s\n%s\n%s\n%s\n%s\n%s\n%s\n%s\n%s\n", -"usage: netstat [-AaLnSWx] [-f protocol_family | -p protocol]\n" +"usage: netstat [-AaLnSTWx] [-f protocol_family | -p protocol]\n" " [-M core] [-N system]", " netstat -i | -I interface [-abdhntW] [-f address_family]\n" " [-M core] [-N system]", Modified: stable/8/usr.bin/netstat/netstat.1 ============================================================================== --- stable/8/usr.bin/netstat/netstat.1 Tue Jan 4 16:29:07 2011 (r216963) +++ stable/8/usr.bin/netstat/netstat.1 Tue Jan 4 16:51:24 2011 (r216964) @@ -49,7 +49,7 @@ depending on the options for the informa .It Xo .Bk -words .Nm -.Op Fl AaLnSWx +.Op Fl AaLnSTWx .Op Fl f Ar protocol_family | Fl p Ar protocol .Op Fl M Ar core .Op Fl N Ar system @@ -88,6 +88,10 @@ but show ports symbolically. If .Fl x is present display full socket buffer statistics for each internet socket. +When +.Fl T +is present, display information from the TCP control block, including +retransmits, out-of-order packets received, and zero-sized windows advertised. .It Xo .Bk -words .Nm Modified: stable/8/usr.bin/netstat/netstat.h ============================================================================== --- stable/8/usr.bin/netstat/netstat.h Tue Jan 4 16:29:07 2011 (r216963) +++ stable/8/usr.bin/netstat/netstat.h Tue Jan 4 16:51:24 2011 (r216964) @@ -51,6 +51,7 @@ extern int numeric_port; /* show ports n extern int rflag; /* show routing tables (or routing stats) */ extern int sflag; /* show protocol statistics */ extern int tflag; /* show i/f watchdog timers */ +extern int Tflag; /* show TCP control block info */ extern int Wflag; /* wide display */ extern int xflag; /* extended display, includes all socket buffer info */ extern int zflag; /* zero stats */
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