git: 6e281255ea35 - main - lltable: fix ddb show llentry l3_addr pretty printer
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Date: Tue, 17 Oct 2023 19:15:47 UTC
The branch main has been updated by kp: URL: https://cgit.FreeBSD.org/src/commit/?id=6e281255ea3574ca666e99c535a9b2734871ded8 commit 6e281255ea3574ca666e99c535a9b2734871ded8 Author: R. Christian McDonald <rcm@rcm.sh> AuthorDate: 2023-10-17 17:03:49 +0000 Commit: Kristof Provost <kp@FreeBSD.org> CommitDate: 2023-10-17 17:03:49 +0000 lltable: fix ddb show llentry l3_addr pretty printer The ddb commands for lltable do not produce useful l3_addr information. This fixes the llentry pretty printer to correctly display the l3_addr Reviewed by: kp Sponsored by: Rubicon Communications, LLC ("Netgate") Differential Revision: https://reviews.freebsd.org/D42253 --- sys/net/if_llatbl.c | 39 +++++++++++++++++++-------------------- 1 file changed, 19 insertions(+), 20 deletions(-) diff --git a/sys/net/if_llatbl.c b/sys/net/if_llatbl.c index ef4f27dbb00c..fe5273cf19c0 100644 --- a/sys/net/if_llatbl.c +++ b/sys/net/if_llatbl.c @@ -1065,18 +1065,13 @@ lla_rt_output(struct rt_msghdr *rtm, struct rt_addrinfo *info) } #ifdef DDB -struct llentry_sa { - struct llentry base; - struct sockaddr l3_addr; -}; - static void -llatbl_lle_show(struct llentry_sa *la) +llatbl_lle_show(struct llentry *lle) { - struct llentry *lle; uint8_t octet[6]; + sa_family_t af = AF_UNSPEC; + char l3_addr_fmt[] = " l3_addr=%s (af=%d)\n"; - lle = &la->base; db_printf("lle=%p\n", lle); db_printf(" lle_next=%p\n", lle->lle_next.cle_next); db_printf(" lle_lock=%p\n", &lle->lle_lock); @@ -1097,33 +1092,37 @@ llatbl_lle_show(struct llentry_sa *la) octet[0], octet[1], octet[2], octet[3], octet[4], octet[5]); db_printf(" lle_timer=%p\n", &lle->lle_timer); - switch (la->l3_addr.sa_family) { + if (lle->lle_tbl) { + af = lle->lle_tbl->llt_af; + } + + switch (af) { #ifdef INET case AF_INET: { - struct sockaddr_in *sin; + struct sockaddr_in sin; char l3s[INET_ADDRSTRLEN]; - sin = (struct sockaddr_in *)&la->l3_addr; - inet_ntoa_r(sin->sin_addr, l3s); - db_printf(" l3_addr=%s\n", l3s); + lltable_fill_sa_entry(lle, (struct sockaddr *)&sin); + (void) inet_ntop(af, &sin.sin_addr, l3s, sizeof(l3s)); + db_printf(l3_addr_fmt, l3s, af); break; } #endif #ifdef INET6 case AF_INET6: { - struct sockaddr_in6 *sin6; + struct sockaddr_in6 sin6; char l3s[INET6_ADDRSTRLEN]; - sin6 = (struct sockaddr_in6 *)&la->l3_addr; - ip6_sprintf(l3s, &sin6->sin6_addr); - db_printf(" l3_addr=%s\n", l3s); + lltable_fill_sa_entry(lle, (struct sockaddr *)&sin6); + (void) inet_ntop(af, &sin6.sin6_addr, l3s, sizeof(l3s)); + db_printf(l3_addr_fmt, l3s, af); break; } #endif default: - db_printf(" l3_addr=N/A (af=%d)\n", la->l3_addr.sa_family); + db_printf(l3_addr_fmt, "N/A", af); break; } } @@ -1136,7 +1135,7 @@ DB_SHOW_COMMAND(llentry, db_show_llentry) return; } - llatbl_lle_show((struct llentry_sa *)addr); + llatbl_lle_show((struct llentry *)addr); } static void @@ -1150,7 +1149,7 @@ llatbl_llt_show(struct lltable *llt) for (i = 0; i < llt->llt_hsize; i++) { CK_LIST_FOREACH(lle, &llt->lle_head[i], lle_next) { - llatbl_lle_show((struct llentry_sa *)lle); + llatbl_lle_show(lle); if (db_pager_quit) return; }