git: 5f64777a4fe3 - main - sockstat: add -i to display inp_gencnt
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Date: Wed, 02 Feb 2022 18:56:27 UTC
The branch main has been updated by tuexen: URL: https://cgit.FreeBSD.org/src/commit/?id=5f64777a4fe38acb412762fa92da583a1018e609 commit 5f64777a4fe38acb412762fa92da583a1018e609 Author: Michael Tuexen <tuexen@FreeBSD.org> AuthorDate: 2022-02-01 14:37:03 +0000 Commit: Michael Tuexen <tuexen@FreeBSD.org> CommitDate: 2022-02-01 14:37:03 +0000 sockstat: add -i to display inp_gencnt The inp_gencnt will be used to identify a TCP endpoint by an upcoming command line tool to set TCP socket options. Reviewed by: rscheff MFC after: 1 week Sponsored by: Netflix, Inc. Differential Revision: https://reviews.freebsd.org/D34137 --- usr.bin/sockstat/sockstat.1 | 11 +++++++++-- usr.bin/sockstat/sockstat.c | 22 ++++++++++++++++++++-- 2 files changed, 29 insertions(+), 4 deletions(-) diff --git a/usr.bin/sockstat/sockstat.1 b/usr.bin/sockstat/sockstat.1 index bf04028ce9d4..bc8fa628f725 100644 --- a/usr.bin/sockstat/sockstat.1 +++ b/usr.bin/sockstat/sockstat.1 @@ -27,7 +27,7 @@ .\" .\" $FreeBSD$ .\" -.Dd November 11, 2021 +.Dd February 2, 2022 .Dt SOCKSTAT 1 .Os .Sh NAME @@ -35,7 +35,7 @@ .Nd list open sockets .Sh SYNOPSIS .Nm -.Op Fl 46CcLlnqSsUuvw +.Op Fl 46CciLlnqSsUuvw .Op Fl j Ar jail .Op Fl p Ar ports .Op Fl P Ar protocols @@ -61,6 +61,9 @@ Display the congestion control module, if applicable. This is currently only implemented for TCP. .It Fl c Show connected sockets. +.It Fl i +Display the +.Dv inp_gencnt . .It Fl j Ar jail Show only sockets belonging to the specified jail ID or name. .It Fl L @@ -160,6 +163,10 @@ if the endpoint could not be determined. (Internet sockets only) The address the foreign end of the socket is bound to (see .Xr getpeername 2 ) . +.It Li ID +The inp_gencnt if +.Fl i +is specified (only for TCP or UDP). .It Li ENCAPS The remote UDP encapsulation port number if .Fl U diff --git a/usr.bin/sockstat/sockstat.c b/usr.bin/sockstat/sockstat.c index 1a4413116a79..ddf9be139c9e 100644 --- a/usr.bin/sockstat/sockstat.c +++ b/usr.bin/sockstat/sockstat.c @@ -59,6 +59,7 @@ __FBSDID("$FreeBSD$"); #include <ctype.h> #include <err.h> #include <errno.h> +#include <inttypes.h> #include <jail.h> #include <netdb.h> #include <pwd.h> @@ -83,6 +84,7 @@ static int opt_4; /* Show IPv4 sockets */ static int opt_6; /* Show IPv6 sockets */ static int opt_C; /* Show congestion control */ static int opt_c; /* Show connected sockets */ +static int opt_i; /* Show inp_gencnt */ static int opt_j; /* Show specified jail */ static int opt_L; /* Don't show IPv4 or IPv6 loopback sockets */ static int opt_l; /* Show listening sockets */ @@ -120,6 +122,7 @@ struct addr { struct sock { kvaddr_t socket; kvaddr_t pcb; + uint64_t inp_gencnt; int shown; int vflag; int family; @@ -713,6 +716,7 @@ gather_inet(int proto) err(1, "malloc()"); sock->socket = so->xso_so; sock->proto = proto; + sock->inp_gencnt = xip->inp_gencnt; if (xip->inp_vflag & INP_IPV4) { sock->family = AF_INET; sockaddr(&laddr->address, sock->family, @@ -1107,6 +1111,15 @@ displaysock(struct sock *s, int pos) default: abort(); } + if (opt_i) { + if (s->proto == IPPROTO_TCP || + s->proto == IPPROTO_UDP) { + while (pos < offset) + pos += xprintf(" "); + pos += xprintf("%" PRIu64, s->inp_gencnt); + } + offset += 9; + } if (opt_U) { if (faddr != NULL && ((s->proto == IPPROTO_SCTP && @@ -1204,6 +1217,8 @@ display(void) "USER", "COMMAND", "PID", "FD", "PROTO", opt_w ? 45 : 21, "LOCAL ADDRESS", opt_w ? 45 : 21, "FOREIGN ADDRESS"); + if (opt_i) + printf(" %-8s", "ID"); if (opt_U) printf(" %-6s", "ENCAPS"); if (opt_s) { @@ -1324,7 +1339,7 @@ static void usage(void) { fprintf(stderr, - "usage: sockstat [-46cLlSsUuvw] [-j jid] [-p ports] [-P protocols]\n"); + "usage: sockstat [-46ciLlSsUuvw] [-j jid] [-p ports] [-P protocols]\n"); exit(1); } @@ -1339,7 +1354,7 @@ main(int argc, char *argv[]) int o, i; opt_j = -1; - while ((o = getopt(argc, argv, "46Ccj:Llnp:P:qSsUuvw")) != -1) + while ((o = getopt(argc, argv, "46Ccij:Llnp:P:qSsUuvw")) != -1) switch (o) { case '4': opt_4 = 1; @@ -1353,6 +1368,9 @@ main(int argc, char *argv[]) case 'c': opt_c = 1; break; + case 'i': + opt_i = 1; + break; case 'j': opt_j = jail_getid(optarg); if (opt_j < 0)