diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-agn.c | 3 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-commands.h | 1 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-core.c | 13 |
3 files changed, 17 insertions, 0 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c index c72a99a9ab36..61788a508971 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn.c @@ -2698,6 +2698,9 @@ static int iwl_mac_config(struct ieee80211_hw *hw, u32 changed) iwl_set_rate(priv); + /* call to ensure that 4965 rx_chain is set properly in monitor mode */ + iwl_set_rxon_chain(priv); + if (memcmp(&priv->active_rxon, &priv->staging_rxon, sizeof(priv->staging_rxon))) iwl_commit_rxon(priv); diff --git a/drivers/net/wireless/iwlwifi/iwl-commands.h b/drivers/net/wireless/iwlwifi/iwl-commands.h index 3ced5e5b6823..7571110f5f15 100644 --- a/drivers/net/wireless/iwlwifi/iwl-commands.h +++ b/drivers/net/wireless/iwlwifi/iwl-commands.h @@ -563,6 +563,7 @@ enum { #define RXON_RX_CHAIN_DRIVER_FORCE_MSK cpu_to_le16(0x1 << 0) +#define RXON_RX_CHAIN_DRIVER_FORCE_POS (0) #define RXON_RX_CHAIN_VALID_MSK cpu_to_le16(0x7 << 1) #define RXON_RX_CHAIN_VALID_POS (1) #define RXON_RX_CHAIN_FORCE_SEL_MSK cpu_to_le16(0x7 << 4) diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c index ef4a7c54c736..b64377e760e5 100644 --- a/drivers/net/wireless/iwlwifi/iwl-core.c +++ b/drivers/net/wireless/iwlwifi/iwl-core.c @@ -753,6 +753,19 @@ void iwl_set_rxon_chain(struct iwl_priv *priv) rx_chain |= active_rx_cnt << RXON_RX_CHAIN_MIMO_CNT_POS; rx_chain |= idle_rx_cnt << RXON_RX_CHAIN_CNT_POS; + /* copied from 'iwl_bg_request_scan()' */ + /* Force use of chains B and C (0x6) for Rx for 4965 + * Avoid A (0x1) because of its off-channel reception on A-band. + * MIMO is not used here, but value is required */ + if (iwl_is_monitor_mode(priv) && + !(priv->staging_rxon.flags & RXON_FLG_BAND_24G_MSK) && + ((priv->hw_rev & CSR_HW_REV_TYPE_MSK) == CSR_HW_REV_TYPE_4965)) { + rx_chain = 0x07 << RXON_RX_CHAIN_VALID_POS; + rx_chain |= 0x06 << RXON_RX_CHAIN_FORCE_SEL_POS; + rx_chain |= 0x07 << RXON_RX_CHAIN_FORCE_MIMO_SEL_POS; + rx_chain |= 0x01 << RXON_RX_CHAIN_DRIVER_FORCE_POS; + } + priv->staging_rxon.rx_chain = cpu_to_le16(rx_chain); if (!is_single && (active_rx_cnt >= IWL_NUM_RX_CHAINS_SINGLE) && is_cam) |