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iwlwifi: support different num of tx and rx antennas

Browse Source 
This patch adds infrastructure for supporting different
number of tx and rx antennas

Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Tomas Winkler 2008-04-15 16:01:39 -07:00 committed by John W. Linville
parent 5425e49047
commit ec35cf2afb
3 changed files with 14 additions and 9 deletions
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9
drivers/net/wireless/iwlwifi/iwl-4965-commands.h
View File

@ -269,11 +269,10 @@ struct iwl_cmd_header {
* 10 B active, A inactive
* 11 Both active
*/
#define RATE_MCS_ANT_A_POS 14
#define RATE_MCS_ANT_B_POS 15
#define RATE_MCS_ANT_A_MSK 0x4000
#define RATE_MCS_ANT_B_MSK 0x8000
#define RATE_MCS_ANT_AB_MSK 0xc000
#define RATE_MCS_ANT_POS 14
#define RATE_MCS_ANT_A_MSK 0x04000
#define RATE_MCS_ANT_B_MSK 0x08000
#define RATE_MCS_ANT_AB_MSK 0x0C000
/**

7
drivers/net/wireless/iwlwifi/iwl-4965.c
View File

@ -410,7 +410,7 @@ void iwl4965_hwrate_to_tx_control(struct iwl_priv *priv, u32 rate_n_flags,
int rate_index;
control->antenna_sel_tx =
((rate_n_flags & RATE_MCS_ANT_AB_MSK) >> RATE_MCS_ANT_A_POS);
((rate_n_flags & RATE_MCS_ANT_AB_MSK) >> RATE_MCS_ANT_POS);
if (rate_n_flags & RATE_MCS_HT_MSK)
control->flags |= IEEE80211_TXCTL_OFDM_HT;
if (rate_n_flags & RATE_MCS_GF_MSK)
@ -2040,7 +2040,10 @@ int iwl4965_hw_set_hw_params(struct iwl_priv *priv)
priv->hw_params.max_stations = IWL4965_STATION_COUNT;
priv->hw_params.bcast_sta_id = IWL4965_BROADCAST_ID;
priv->hw_params.tx_ant_num = 2;
priv->hw_params.tx_chains_num = 2;
priv->hw_params.rx_chains_num = 2;
priv->hw_params.valid_tx_ant = (IWL_ANTENNA_MAIN | IWL_ANTENNA_AUX);
priv->hw_params.valid_rx_ant = (IWL_ANTENNA_MAIN | IWL_ANTENNA_AUX);
return 0;
}

7
drivers/net/wireless/iwlwifi/iwl-4965.h
View File

@ -580,11 +580,14 @@ struct iwl4965_ibss_seq {
struct iwl_hw_params {
u16 max_txq_num;
u16 tx_cmd_len;
u16 tx_ant_num;
u8 tx_chains_num;
u8 rx_chains_num;
u8 valid_tx_ant;
u8 valid_rx_ant;
u16 max_rxq_size;
u16 max_rxq_log;
u32 rx_buf_size;
u32 max_pkt_size;
u16 max_rxq_log;
u8 max_stations;
u8 bcast_sta_id;
};