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iwlwifi: mvm: tell firmware to let multicast frames in

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Without this command, the firmware will filter out all the
multicast frames. Let them all in as for now. Later we will
want to optimize this to save power.

Cc: stable@vger.kernel.org
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Emmanuel Grumbach 2013-05-02 15:01:24 +03:00 committed by Johannes Berg
parent f70ed7b330
commit 51b6b9e029
3 changed files with 43 additions and 0 deletions
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27
drivers/net/wireless/iwlwifi/mvm/fw-api.h
View File

@ -173,6 +173,8 @@ enum {
REPLY_DEBUG_CMD = 0xf0,
DEBUG_LOG_MSG = 0xf7,
MCAST_FILTER_CMD = 0xd0,
/* D3 commands/notifications */
D3_CONFIG_CMD = 0xd3,
PROT_OFFLOAD_CONFIG_CMD = 0xd4,
@ -948,4 +950,29 @@ struct iwl_set_calib_default_cmd {
u8 data[0];
} __packed; /* PHY_CALIB_OVERRIDE_VALUES_S */
#define MAX_PORT_ID_NUM 2
/**
* struct iwl_mcast_filter_cmd - configure multicast filter.
* @filter_own: Set 1 to filter out multicast packets sent by station itself
* @port_id: Multicast MAC addresses array specifier. This is a strange way
* to identify network interface adopted in host-device IF.
* It is used by FW as index in array of addresses. This array has
* MAX_PORT_ID_NUM members.
* @count: Number of MAC addresses in the array
* @pass_all: Set 1 to pass all multicast packets.
* @bssid: current association BSSID.
* @addr_list: Place holder for array of MAC addresses.
* IMPORTANT: add padding if necessary to ensure DWORD alignment.
*/
struct iwl_mcast_filter_cmd {
u8 filter_own;
u8 port_id;
u8 count;
u8 pass_all;
u8 bssid[6];
u8 reserved[2];
u8 addr_list[0];
} __packed; /* MCAST_FILTERING_CMD_API_S_VER_1 */
#endif /* __fw_api_h__ */

15
drivers/net/wireless/iwlwifi/mvm/mac80211.c
View File

@ -701,6 +701,20 @@ static void iwl_mvm_configure_filter(struct ieee80211_hw *hw,
*total_flags = 0;
}
static int iwl_mvm_configure_mcast_filter(struct iwl_mvm *mvm,
struct ieee80211_vif *vif)
{
struct iwl_mcast_filter_cmd mcast_filter_cmd = {
.pass_all = 1,
};
memcpy(mcast_filter_cmd.bssid, vif->bss_conf.bssid, ETH_ALEN);
return iwl_mvm_send_cmd_pdu(mvm, MCAST_FILTER_CMD, CMD_SYNC,
sizeof(mcast_filter_cmd),
&mcast_filter_cmd);
}
static void iwl_mvm_bss_info_changed_station(struct iwl_mvm *mvm,
struct ieee80211_vif *vif,
struct ieee80211_bss_conf *bss_conf,
@ -722,6 +736,7 @@ static void iwl_mvm_bss_info_changed_station(struct iwl_mvm *mvm,
return;
}
iwl_mvm_bt_coex_vif_assoc(mvm, vif);
iwl_mvm_configure_mcast_filter(mvm, vif);
} else if (mvmvif->ap_sta_id != IWL_MVM_STATION_COUNT) {
/* remove AP station now that the MAC is unassoc */
ret = iwl_mvm_rm_sta_id(mvm, vif, mvmvif->ap_sta_id);

1
drivers/net/wireless/iwlwifi/mvm/ops.c
View File

@ -292,6 +292,7 @@ static const char *iwl_mvm_cmd_strings[REPLY_MAX] = {
CMD(BT_COEX_PROT_ENV),
CMD(BT_PROFILE_NOTIFICATION),
CMD(BT_CONFIG),
CMD(MCAST_FILTER_CMD),
};
#undef CMD