Date: Mon, 6 Jun 2016 22:26:19 +0000 (UTC) From: "Bjoern A. Zeeb" <bz@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r301527 - in head: share/man/man4 sys/netinet Message-ID: <201606062226.u56MQJeN047906@repo.freebsd.org>
next in thread | raw e-mail | index | archive | help
Author: bz Date: Mon Jun 6 22:26:18 2016 New Revision: 301527 URL: https://svnweb.freebsd.org/changeset/base/301527 Log: Add a `show igi_list` command to DDB to debug IGMP state. Obtained from: projects/vnet MFC after: 2 weeks Sponsored by: The FreeBSD Foundation Modified: head/share/man/man4/ddb.4 head/sys/netinet/igmp.c Modified: head/share/man/man4/ddb.4 ============================================================================== --- head/share/man/man4/ddb.4 Mon Jun 6 22:09:22 2016 (r301526) +++ head/share/man/man4/ddb.4 Mon Jun 6 22:26:18 2016 (r301527) @@ -688,6 +688,13 @@ The second one is the name of the interr Those functions are machine dependent. .\" .Pp +.It Ic show Cm igi_list Ar addr +Show information about the IGMP structure +.Vt struct igmp_ifsoftc +present at +.Ar addr . +.\" +.Pp .It Ic show Cm inodedeps Op Ar addr Show brief information about each inodedep structure. If Modified: head/sys/netinet/igmp.c ============================================================================== --- head/sys/netinet/igmp.c Mon Jun 6 22:09:22 2016 (r301526) +++ head/sys/netinet/igmp.c Mon Jun 6 22:26:18 2016 (r301527) @@ -50,6 +50,8 @@ #include <sys/cdefs.h> __FBSDID("$FreeBSD$"); +#include "opt_ddb.h" + #include <sys/param.h> #include <sys/systm.h> #include <sys/module.h> @@ -64,6 +66,10 @@ __FBSDID("$FreeBSD$"); #include <sys/ktr.h> #include <sys/condvar.h> +#ifdef DDB +#include <ddb/ddb.h> +#endif + #include <net/if.h> #include <net/if_var.h> #include <net/netisr.h> @@ -3641,6 +3647,37 @@ vnet_igmp_uninit(const void *unused __un VNET_SYSUNINIT(vnet_igmp_uninit, SI_SUB_PSEUDO, SI_ORDER_ANY, vnet_igmp_uninit, NULL); +#ifdef DDB +DB_SHOW_COMMAND(igi_list, db_show_igi_list) +{ + struct igmp_ifsoftc *igi, *tigi; + LIST_HEAD(_igi_list, igmp_ifsoftc) *igi_head; + + if (!have_addr) { + db_printf("usage: show igi_list <addr>\n"); + return; + } + igi_head = (struct _igi_list *)addr; + + LIST_FOREACH_SAFE(igi, igi_head, igi_link, tigi) { + db_printf("igmp_ifsoftc %p:\n", igi); + db_printf(" ifp %p\n", igi->igi_ifp); + db_printf(" version %u\n", igi->igi_version); + db_printf(" v1_timer %u\n", igi->igi_v1_timer); + db_printf(" v2_timer %u\n", igi->igi_v2_timer); + db_printf(" v3_timer %u\n", igi->igi_v3_timer); + db_printf(" flags %#x\n", igi->igi_flags); + db_printf(" rv %u\n", igi->igi_rv); + db_printf(" qi %u\n", igi->igi_qi); + db_printf(" qri %u\n", igi->igi_qri); + db_printf(" uri %u\n", igi->igi_uri); + /* SLIST_HEAD(,in_multi) igi_relinmhead */ + /* struct mbufq igi_gq; */ + db_printf("\n"); + } +} +#endif + static int igmp_modevent(module_t mod, int type, void *unused __unused) {
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?201606062226.u56MQJeN047906>