iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

iwlwifi: mvm: set up initial SMPS/NSS station info

Browse Source 
When a station is added, we need to tell the firmware what
the SMPS settings and number of streams are. After having
the initial data, the firmware will track future changes
by itself.

Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Johannes Berg 2013-02-12 14:35:36 +01:00
parent f0c2646af4
commit 5bc5aaad40
1 changed files with 49 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

51
drivers/net/wireless/iwlwifi/mvm/sta.c
View File

@ -101,8 +101,55 @@ int iwl_mvm_sta_send_to_fw(struct iwl_mvm *mvm, struct ieee80211_sta *sta,
}
add_sta_cmd.add_modify = update ? 1 : 0;
/* STA_FLG_FAT_EN_MSK ? */
/* STA_FLG_MIMO_EN_MSK ? */
add_sta_cmd.station_flags_msk |= cpu_to_le32(STA_FLG_FAT_EN_MSK |
STA_FLG_MIMO_EN_MSK);
switch (sta->bandwidth) {
case IEEE80211_STA_RX_BW_160:
add_sta_cmd.station_flags |= cpu_to_le32(STA_FLG_FAT_EN_160MHZ);
/* fall through */
case IEEE80211_STA_RX_BW_80:
add_sta_cmd.station_flags |= cpu_to_le32(STA_FLG_FAT_EN_80MHZ);
/* fall through */
case IEEE80211_STA_RX_BW_40:
add_sta_cmd.station_flags |= cpu_to_le32(STA_FLG_FAT_EN_40MHZ);
/* fall through */
case IEEE80211_STA_RX_BW_20:
if (sta->ht_cap.ht_supported)
add_sta_cmd.station_flags |=
cpu_to_le32(STA_FLG_FAT_EN_20MHZ);
break;
}
switch (sta->rx_nss) {
case 1:
add_sta_cmd.station_flags |= cpu_to_le32(STA_FLG_MIMO_EN_SISO);
break;
case 2:
add_sta_cmd.station_flags |= cpu_to_le32(STA_FLG_MIMO_EN_MIMO2);
break;
case 3 ... 8:
add_sta_cmd.station_flags |= cpu_to_le32(STA_FLG_MIMO_EN_MIMO3);
break;
}
switch (sta->smps_mode) {
case IEEE80211_SMPS_AUTOMATIC:
case IEEE80211_SMPS_NUM_MODES:
WARN_ON(1);
break;
case IEEE80211_SMPS_STATIC:
/* override NSS */
add_sta_cmd.station_flags &= ~cpu_to_le32(STA_FLG_MIMO_EN_MSK);
add_sta_cmd.station_flags |= cpu_to_le32(STA_FLG_MIMO_EN_SISO);
break;
case IEEE80211_SMPS_DYNAMIC:
add_sta_cmd.station_flags |= cpu_to_le32(STA_FLG_RTS_MIMO_PROT);
break;
case IEEE80211_SMPS_OFF:
/* nothing */
break;
}
if (sta->ht_cap.ht_supported) {
add_sta_cmd.station_flags_msk |=