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author | zec <zec@FreeBSD.org> | 2009-09-17 14:52:15 +0000 |
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committer | zec <zec@FreeBSD.org> | 2009-09-17 14:52:15 +0000 |
commit | 02353f41db3721885b027e8c15d9f828de62ba5c (patch) | |
tree | 42689ceaddedaa3d4bb0d90a8e54e4e6ee20fba8 /sys/net | |
parent | 74dba11aaa299f71f2bf2b583d74575fec440e7b (diff) | |
download | FreeBSD-src-02353f41db3721885b027e8c15d9f828de62ba5c.zip FreeBSD-src-02353f41db3721885b027e8c15d9f828de62ba5c.tar.gz |
V_irtualize the lltables list, making ARP and ND reasonably
usable again with options VIMAGE kernels.
Submitted by: bz (the original version, probably identical to this one)
Reviewed by: many @ DevSummit Cambridge
MFC after: 3 days
Diffstat (limited to 'sys/net')
-rw-r--r-- | sys/net/if_llatbl.c | 26 |
1 files changed, 19 insertions, 7 deletions
diff --git a/sys/net/if_llatbl.c b/sys/net/if_llatbl.c index b66d6e1..9b6a261 100644 --- a/sys/net/if_llatbl.c +++ b/sys/net/if_llatbl.c @@ -57,11 +57,14 @@ __FBSDID("$FreeBSD$"); MALLOC_DEFINE(M_LLTABLE, "lltable", "link level address tables"); -static SLIST_HEAD(, lltable) lltables = SLIST_HEAD_INITIALIZER(lltables); +static VNET_DEFINE(SLIST_HEAD(, lltable), lltables); +#define V_lltables VNET(lltables) extern void arprequest(struct ifnet *, struct in_addr *, struct in_addr *, u_char *); +static void vnet_lltable_init(void); + struct rwlock lltable_rwlock; RW_SYSINIT(lltable_rwlock, &lltable_rwlock, "lltable_rwlock"); @@ -75,7 +78,7 @@ lltable_sysctl_dumparp(int af, struct sysctl_req *wr) int error = 0; LLTABLE_RLOCK(); - SLIST_FOREACH(llt, &lltables, llt_link) { + SLIST_FOREACH(llt, &V_lltables, llt_link) { if (llt->llt_af == af) { error = llt->llt_dump(llt, wr); if (error != 0) @@ -157,7 +160,7 @@ lltable_free(struct lltable *llt) KASSERT(llt != NULL, ("%s: llt is NULL", __func__)); LLTABLE_WLOCK(); - SLIST_REMOVE(&lltables, llt, lltable, llt_link); + SLIST_REMOVE(&V_lltables, llt, lltable, llt_link); LLTABLE_WUNLOCK(); for (i=0; i < LLTBL_HASHTBL_SIZE; i++) { @@ -180,7 +183,7 @@ lltable_drain(int af) register int i; LLTABLE_RLOCK(); - SLIST_FOREACH(llt, &lltables, llt_link) { + SLIST_FOREACH(llt, &V_lltables, llt_link) { if (llt->llt_af != af) continue; @@ -202,7 +205,7 @@ lltable_prefix_free(int af, struct sockaddr *prefix, struct sockaddr *mask) struct lltable *llt; LLTABLE_RLOCK(); - SLIST_FOREACH(llt, &lltables, llt_link) { + SLIST_FOREACH(llt, &V_lltables, llt_link) { if (llt->llt_af != af) continue; @@ -232,7 +235,7 @@ lltable_init(struct ifnet *ifp, int af) LIST_INIT(&llt->lle_head[i]); LLTABLE_WLOCK(); - SLIST_INSERT_HEAD(&lltables, llt, llt_link); + SLIST_INSERT_HEAD(&V_lltables, llt, llt_link); LLTABLE_WUNLOCK(); return (llt); @@ -302,7 +305,7 @@ lla_rt_output(struct rt_msghdr *rtm, struct rt_addrinfo *info) /* XXX linked list may be too expensive */ LLTABLE_RLOCK(); - SLIST_FOREACH(llt, &lltables, llt_link) { + SLIST_FOREACH(llt, &V_lltables, llt_link) { if (llt->llt_af == dst->sa_family && llt->llt_ifp == ifp) break; @@ -367,3 +370,12 @@ lla_rt_output(struct rt_msghdr *rtm, struct rt_addrinfo *info) return (error); } + +static void +vnet_lltable_init() +{ + + SLIST_INIT(&V_lltables); +} +VNET_SYSINIT(vnet_lltable_init, SI_SUB_PSEUDO, SI_ORDER_FIRST, vnet_lltable_init, NULL); + |