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* Use unified code for deleting entry by sockaddr instead of per-af one.

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* Remove now unused llt_delete_addr callback.
This commit is contained in:
Alexander V. Chernikov 2015-01-03 19:09:06 +00:00
parent 20dd899505
commit b44a7d5d87
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/projects/routing/; revision=276631
4 changed files with 28 additions and 104 deletions
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38
sys/net/if_llatbl.c
View File

@ -445,14 +445,6 @@ lltable_create_lle(struct lltable *llt, u_int flags,
return (llt->llt_create(llt, flags, paddr));
}
int
lltable_delete_addr(struct lltable *llt, u_int flags,
const struct sockaddr *l3addr)
{
return llt->llt_delete_addr(llt, flags, l3addr);
}
void
lltable_link_entry(struct lltable *llt, struct llentry *lle)
{
@ -581,8 +573,34 @@ lla_rt_output(struct rt_msghdr *rtm, struct rt_addrinfo *info)
break;
case RTM_DELETE:
error = lltable_delete_addr(llt, 0, dst);
return (error == 0 ? 0 : ENOENT);
l3addr = llt->llt_get_sa_addr(dst);
IF_AFDATA_CFG_WLOCK(ifp);
lle = lltable_lookup_lle(llt, LLE_UNLOCKED, l3addr);
if (lle == NULL) {
IF_AFDATA_CFG_WUNLOCK(ifp);
return (ENOENT);
}
/* Skipping LLE_IFADDR record */
if ((lle->la_flags & LLE_IFADDR) != 0) {
IF_AFDATA_CFG_WUNLOCK(ifp);
return (0);
}
LLE_WLOCK(lle);
IF_AFDATA_RUN_WLOCK(ifp);
lltable_unlink_entry(llt, lle);
IF_AFDATA_RUN_WUNLOCK(ifp);
IF_AFDATA_CFG_WUNLOCK(ifp);
#ifdef DIAGNOSTIC
log(LOG_INFO, "ifaddr cache = %p is deleted\n", lle);
#endif
EVENTHANDLER_INVOKE(lle_event, lle, LLENTRY_DELETED);
llt->llt_clear_entry(llt, lle);
break;
default:
error = EINVAL;

5
sys/net/if_llatbl_var.h
View File

@ -50,8 +50,6 @@ typedef struct llentry *(llt_lookup_t)(struct lltable *, u_int flags,
const void *paddr);
typedef struct llentry *(llt_create_t)(struct lltable *, u_int flags,
const void *paddr);
typedef int (llt_delete_addr_t)(struct lltable *, u_int flags,
const struct sockaddr *l3addr);
typedef int (llt_dump_entry_t)(struct lltable *, struct llentry *,
struct sysctl_req *);
typedef uint32_t (llt_hash_t)(const struct llentry *);
@ -78,7 +76,6 @@ struct lltable {
llt_lookup_t *llt_lookup;
llt_create_t *llt_create;
llt_delete_addr_t *llt_delete_addr;
llt_dump_entry_t *llt_dump_entry;
llt_hash_t *llt_hash;
llt_match_prefix_t *llt_match_prefix;
@ -114,8 +111,6 @@ lltable_lookup_lle(struct lltable *llt, u_int flags,
struct llentry *lltable_create_lle(struct lltable *llt, u_int flags,
const void *paddr);
int lltable_delete_addr(struct lltable *llt, u_int flags,
const struct sockaddr *l3addr);
void lltable_link_entry(struct lltable *llt, struct llentry *lle);
void lltable_unlink_entry(struct lltable *llt, struct llentry *lle);

45
sys/netinet/in.c
View File

@ -1138,50 +1138,6 @@ in_lltable_find_dst(struct lltable *llt, struct in_addr dst)
return (lle);
}
static int
in_lltable_delete(struct lltable *llt, u_int flags,
const struct sockaddr *l3addr)
{
const struct sockaddr_in *sin = (const struct sockaddr_in *)l3addr;
struct ifnet *ifp = llt->llt_ifp;
struct llentry *lle;
IF_AFDATA_CFG_UNLOCK_ASSERT(ifp);
KASSERT(l3addr->sa_family == AF_INET,
("sin_family %d", l3addr->sa_family));
IF_AFDATA_CFG_WLOCK(ifp);
lle = in_lltable_find_dst(llt, sin->sin_addr);
if (lle == NULL) {
IF_AFDATA_CFG_WUNLOCK(ifp);
#ifdef DIAGNOSTIC
log(LOG_INFO, "interface address is missing from cache = %p\n",
lle);
#endif
return (ENOENT);
}
/* Skipping LLE_IFADDR record */
if ((lle->la_flags & LLE_IFADDR) != 0 && (flags & LLE_IFADDR) == 0) {
IF_AFDATA_CFG_WUNLOCK(ifp);
return (0);
}
LLE_WLOCK(lle);
IF_AFDATA_RUN_WLOCK(ifp);
lltable_unlink_entry(llt, lle);
IF_AFDATA_RUN_WUNLOCK(ifp);
IF_AFDATA_CFG_WUNLOCK(ifp);
EVENTHANDLER_INVOKE(lle_event, lle, LLENTRY_DELETED);
#ifdef DIAGNOSTIC
log(LOG_INFO, "ifaddr cache = %p is deleted\n", lle);
#endif
llt->llt_clear_entry(llt, lle);
return (0);
}
static struct llentry *
in_lltable_create(struct lltable *llt, u_int flags, const void *paddr)
{
@ -1315,7 +1271,6 @@ in_domifattach(struct ifnet *ifp)
llt->llt_lookup = in_lltable_lookup;
llt->llt_create = in_lltable_create;
llt->llt_delete_addr = in_lltable_delete;
llt->llt_dump_entry = in_lltable_dump_entry;
llt->llt_hash = in_lltable_hash;
llt->llt_get_sa_addr = in_lltable_get_sa_addr;

44
sys/netinet6/in6.c
View File

@ -2185,49 +2185,6 @@ in6_lltable_find_dst(struct lltable *llt, const struct in6_addr *dst)
return (lle);
}
static int
in6_lltable_delete(struct lltable *llt, u_int flags,
const struct sockaddr *l3addr)
{
const struct sockaddr_in6 *sin6 = (const struct sockaddr_in6 *)l3addr;
struct ifnet *ifp;
struct llentry *lle;
ifp = llt->llt_ifp;
IF_AFDATA_CFG_UNLOCK_ASSERT(ifp);
KASSERT(l3addr->sa_family == AF_INET6,
("sin_family %d", l3addr->sa_family));
IF_AFDATA_CFG_WLOCK(ifp);
lle = in6_lltable_find_dst(llt, &sin6->sin6_addr);
if (lle == NULL) {
IF_AFDATA_CFG_WUNLOCK(ifp);
return (ENOENT);
}
/* Skipping LLE_IFADDR record */
if ((lle->la_flags & LLE_IFADDR) != 0 && (flags & LLE_IFADDR) == 0) {
IF_AFDATA_CFG_WUNLOCK(ifp);
return (0);
}
LLE_WLOCK(lle);
IF_AFDATA_RUN_WLOCK(ifp);
lltable_unlink_entry(llt, lle);
IF_AFDATA_RUN_WUNLOCK(ifp);
IF_AFDATA_CFG_WUNLOCK(ifp);
#ifdef DIAGNOSTIC
log(LOG_INFO, "ifaddr cache = %p is deleted\n", lle);
#endif
EVENTHANDLER_INVOKE(lle_event, lle, LLENTRY_DELETED);
llt->llt_clear_entry(llt, lle);
return (0);
}
static struct llentry *
in6_lltable_create(struct lltable *llt, u_int flags,
const void *paddr)
@ -2389,7 +2346,6 @@ in6_domifattach(struct ifnet *ifp)
llt->llt_lookup = in6_lltable_lookup;
llt->llt_create = in6_lltable_create;
llt->llt_delete_addr = in6_lltable_delete;
llt->llt_dump_entry = in6_lltable_dump_entry;
llt->llt_hash = in6_lltable_hash;
llt->llt_get_sa_addr = in6_lltable_get_sa_addr;