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Pullup from p4 tip:

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* Fix MLDv2 general query timer (fallout from automated refactoring).
 * Refactor MLDv1 timer.
MLDv2 query processing is now working.
This commit is contained in:
Bruce M Simpson 2009-05-21 18:05:17 +00:00
parent 62aa21ae86
commit 05e5bb311b
1 changed files with 15 additions and 22 deletions
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37
sys/netinet6/mld6.c
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@ -855,8 +855,8 @@ mld_v2_input_query(struct ifnet *ifp, const struct ip6_hdr *ip6,
* not schedule any other reports.
* Otherwise, reset the interface timer.
*/
if (mli->mli_v1_timer == 0 || mli->mli_v2_timer >= timer) {
mli->mli_v1_timer = MLD_RANDOM_DELAY(timer);
if (mli->mli_v2_timer == 0 || mli->mli_v2_timer >= timer) {
mli->mli_v2_timer = MLD_RANDOM_DELAY(timer);
V_interface_timers_running6 = 1;
}
} else {
@ -888,7 +888,7 @@ mld_v2_input_query(struct ifnet *ifp, const struct ip6_hdr *ip6,
* Otherwise, prepare to respond to the
* group-specific or group-and-source query.
*/
if (mli->mli_v1_timer == 0 || mli->mli_v2_timer >= timer)
if (mli->mli_v2_timer == 0 || mli->mli_v2_timer >= timer)
mld_v2_process_group_query(inm, mli, timer, m, off);
}
@ -1498,6 +1498,7 @@ mld_v2_process_group_timers(struct mld_ifinfo *mli,
static void
mld_set_version(struct mld_ifinfo *mli, const int version)
{
int old_version_timer;
MLD_LOCK_ASSERT();
@ -1505,24 +1506,18 @@ mld_set_version(struct mld_ifinfo *mli, const int version)
version, mli->mli_ifp, mli->mli_ifp->if_xname);
if (version == MLD_VERSION_1) {
int old_version_timer;
/*
* Compute the "Older Version Querier Present" timer as per
* Section 9.12.
*/
old_version_timer = mli->mli_rv * mli->mli_qi + mli->mli_qri;
old_version_timer *= PR_SLOWHZ;
if (version == MLD_VERSION_1) {
mli->mli_v1_timer = old_version_timer;
}
mli->mli_v1_timer = old_version_timer;
}
if (mli->mli_v1_timer > 0) {
if (mli->mli_version != MLD_VERSION_1) {
mli->mli_version = MLD_VERSION_1;
mld_v2_cancel_link_timers(mli);
}
if (mli->mli_v1_timer > 0 && mli->mli_version != MLD_VERSION_1) {
mli->mli_version = MLD_VERSION_1;
mld_v2_cancel_link_timers(mli);
}
}
@ -1648,17 +1643,15 @@ mld_v1_process_querier_timers(struct mld_ifinfo *mli)
MLD_LOCK_ASSERT();
if (mli->mli_v1_timer == 0) {
if (mli->mli_v1_timer == 0 && mli->mli_version != MLD_VERSION_2) {
/*
* MLDv1 Querier Present timers expired; revert to MLDv2.
* MLDv1 Querier Present timer expired; revert to MLDv2.
*/
if (mli->mli_version != MLD_VERSION_2) {
CTR5(KTR_MLD,
"%s: transition from v%d -> v%d on %p(%s)",
__func__, mli->mli_version, MLD_VERSION_2,
mli->mli_ifp, mli->mli_ifp->if_xname);
mli->mli_version = MLD_VERSION_2;
}
CTR5(KTR_MLD,
"%s: transition from v%d -> v%d on %p(%s)",
__func__, mli->mli_version, MLD_VERSION_2,
mli->mli_ifp, mli->mli_ifp->if_xname);
mli->mli_version = MLD_VERSION_2;
}
}