diff options
Diffstat (limited to 'sys/net/if_llatbl.c')
| -rw-r--r-- | sys/net/if_llatbl.c | 23 |
1 files changed, 20 insertions, 3 deletions
diff --git a/sys/net/if_llatbl.c b/sys/net/if_llatbl.c index a0fb071..910d366 100644 --- a/sys/net/if_llatbl.c +++ b/sys/net/if_llatbl.c @@ -100,18 +100,34 @@ done: * This function is called by the timer functions * such as arptimer() and nd6_llinfo_timer(), and * the caller does the locking. + * + * Returns the number of held packets, if any, that were dropped. */ -void +size_t llentry_free(struct llentry *lle) { - + size_t pkts_dropped; + struct mbuf *next; + + pkts_dropped = 0; LLE_WLOCK_ASSERT(lle); LIST_REMOVE(lle, lle_next); - if (lle->la_hold != NULL) + while ((lle->la_numheld > 0) && (lle->la_hold != NULL)) { + next = lle->la_hold->m_nextpkt; m_freem(lle->la_hold); + lle->la_hold = next; + lle->la_numheld--; + pkts_dropped++; + } + + KASSERT(lle->la_numheld == 0, + ("%s: la_numheld %d > 0, pkts_droped %zd", __func__, + lle->la_numheld, pkts_dropped)); LLE_FREE_LOCKED(lle); + + return (pkts_dropped); } /* @@ -412,6 +428,7 @@ llatbl_lle_show(struct llentry_sa *la) db_printf(" lle_tbl=%p\n", lle->lle_tbl); db_printf(" lle_head=%p\n", lle->lle_head); db_printf(" la_hold=%p\n", lle->la_hold); + db_printf(" la_numheld=%d\n", lle->la_numheld); db_printf(" la_expire=%ju\n", (uintmax_t)lle->la_expire); db_printf(" la_flags=0x%04x\n", lle->la_flags); db_printf(" la_asked=%u\n", lle->la_asked); |
