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iwlwifi: mvm: don't ask beacons when P2P GO vif and no assoc sta

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The commit below called iwl_mvm_mac_ctxt_changed() to handle
a case that the vif is a P2P GO.
However iwl_mvm_mac_ctxt_cmd_go() ignores the number of
associated stations and asks the FW to pass beacons anyways.

Fix this by checking ap_assoc_sta_count parameter, in iwl_mvm_mac_ctxt_cmd_go()
as well, and ask the FW to pass beacons only when there's
at least one associated station.

Signed-off-by: Ayala Beker <ayala.beker@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
This commit is contained in:
Ayala Beker 2015-12-20 09:27:50 +02:00 committed by Emmanuel Grumbach
parent 30433d3b98
commit bd6f5bd700
1 changed files with 19 additions and 25 deletions
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44
drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c
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@ -717,6 +717,8 @@ static void iwl_mvm_mac_ctxt_cmd_common(struct iwl_mvm *mvm,
cpu_to_le32(vif->bss_conf.use_short_slot ?
MAC_FLG_SHORT_SLOT : 0);
cmd->filter_flags = cpu_to_le32(MAC_FILTER_ACCEPT_GRP);
for (i = 0; i < IEEE80211_NUM_ACS; i++) {
u8 txf = iwl_mvm_ac_to_tx_fifo[i];
@ -730,11 +732,26 @@ static void iwl_mvm_mac_ctxt_cmd_common(struct iwl_mvm *mvm,
cmd->ac[txf].fifos_mask = BIT(txf);
}
/* in AP mode, the MCAST FIFO takes the EDCA params from VO */
if (vif->type == NL80211_IFTYPE_AP)
if (vif->type == NL80211_IFTYPE_AP) {
/* in AP mode, the MCAST FIFO takes the EDCA params from VO */
cmd->ac[IWL_MVM_TX_FIFO_VO].fifos_mask |=
BIT(IWL_MVM_TX_FIFO_MCAST);
/*
* in AP mode, pass probe requests and beacons from other APs
* (needed for ht protection); when there're no any associated
* station don't ask FW to pass beacons to prevent unnecessary
* wake-ups.
*/
cmd->filter_flags |= cpu_to_le32(MAC_FILTER_IN_PROBE_REQUEST);
if (mvmvif->ap_assoc_sta_count) {
cmd->filter_flags |= cpu_to_le32(MAC_FILTER_IN_BEACON);
IWL_DEBUG_HC(mvm, "Asking FW to pass beacons\n");
} else {
IWL_DEBUG_HC(mvm, "No need to receive beacons\n");
}
}
if (vif->bss_conf.qos)
cmd->qos_flags |= cpu_to_le32(MAC_QOS_FLG_UPDATE_EDCA);
@ -748,8 +765,6 @@ static void iwl_mvm_mac_ctxt_cmd_common(struct iwl_mvm *mvm,
cmd->qos_flags |= cpu_to_le32(MAC_QOS_FLG_TGN);
if (ht_enabled)
iwl_mvm_mac_ctxt_set_ht_flags(mvm, vif, cmd);
cmd->filter_flags = cpu_to_le32(MAC_FILTER_ACCEPT_GRP);
}
static int iwl_mvm_mac_ctxt_send_cmd(struct iwl_mvm *mvm,
@ -1156,7 +1171,6 @@ static int iwl_mvm_mac_ctxt_cmd_ap(struct iwl_mvm *mvm,
struct ieee80211_vif *vif,
u32 action)
{
struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
struct iwl_mac_ctx_cmd cmd = {};
WARN_ON(vif->type != NL80211_IFTYPE_AP || vif->p2p);
@ -1164,19 +1178,6 @@ static int iwl_mvm_mac_ctxt_cmd_ap(struct iwl_mvm *mvm,
/* Fill the common data for all mac context types */
iwl_mvm_mac_ctxt_cmd_common(mvm, vif, &cmd, NULL, action);
/*
* pass probe requests and beacons from other APs (needed
* for ht protection); when there're no any associated station
* don't ask FW to pass beacons to prevent unnecessary wake-ups.
*/
cmd.filter_flags |= cpu_to_le32(MAC_FILTER_IN_PROBE_REQUEST);
if (mvmvif->ap_assoc_sta_count) {
cmd.filter_flags |= cpu_to_le32(MAC_FILTER_IN_BEACON);
IWL_DEBUG_HC(mvm, "Asking FW to pass beacons\n");
} else {
IWL_DEBUG_HC(mvm, "No need to receive beacons\n");
}
/* Fill the data specific for ap mode */
iwl_mvm_mac_ctxt_cmd_fill_ap(mvm, vif, &cmd.ap,
action == FW_CTXT_ACTION_ADD);
@ -1196,13 +1197,6 @@ static int iwl_mvm_mac_ctxt_cmd_go(struct iwl_mvm *mvm,
/* Fill the common data for all mac context types */
iwl_mvm_mac_ctxt_cmd_common(mvm, vif, &cmd, NULL, action);
/*
* pass probe requests and beacons from other APs (needed
* for ht protection)
*/
cmd.filter_flags |= cpu_to_le32(MAC_FILTER_IN_PROBE_REQUEST |
MAC_FILTER_IN_BEACON);
/* Fill the data specific for GO mode */
iwl_mvm_mac_ctxt_cmd_fill_ap(mvm, vif, &cmd.go.ap,
action == FW_CTXT_ACTION_ADD);