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wifi: iwlwifi: mvm: configure TLC on link activation

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If the AP station already exists on link activation (which
means we're during link switch), configure the TLC in FW so
we can immediately transmit once the link is activated.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230417113648.1a93de9b7c1f.I42022f24bbe3572f5a082da8c99794ae14281875@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Johannes Berg 2023-04-17 11:41:31 +03:00
parent b2bc600cce
commit d2d0468f60
1 changed files with 24 additions and 0 deletions
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24
drivers/net/wireless/intel/iwlwifi/mvm/mld-mac80211.c
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@ -256,6 +256,30 @@ __iwl_mvm_mld_assign_vif_chanctx(struct iwl_mvm *mvm,
if (ret)
goto out;
/* Initialize rate control for the AP station, since we might be
* doing a link switch here - we cannot initialize it before since
* this needs the phy context assigned (and in FW?), and we cannot
* do it later because it needs to be initialized as soon as we're
* able to TX on the link, i.e. when active.
*
* Firmware restart isn't quite correct yet for MLO, but we don't
* need to do it in that case anyway since it will happen from the
* normal station state callback.
*/
if (mvmvif->ap_sta &&
!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) {
struct ieee80211_link_sta *link_sta;
rcu_read_lock();
link_sta = rcu_dereference(mvmvif->ap_sta->link[link_id]);
if (!WARN_ON_ONCE(!link_sta))
iwl_mvm_rs_rate_init(mvm, vif, mvmvif->ap_sta,
link_conf, link_sta,
phy_ctxt->channel->band);
rcu_read_unlock();
}
/* then activate */
ret = iwl_mvm_link_changed(mvm, vif, link_conf,
LINK_CONTEXT_MODIFY_ACTIVE |