2010-01-12 12:49:42

by Lennert Buytenhek

Subject: [PATCH 12/17] mwl8k: use firmware capability field to decide which bands to register

Make the decision about whether to register the 2.4 and 5 GHz bands
with mac80211 by looking at the capability field in GET_HW_SPEC (STA
firmware only for now). This enables 5 GHz STA operation.

Signed-off-by: Lennert Buytenhek <[email protected]>
---
drivers/net/wireless/mwl8k.c | 31 +++++++++++++++++++++++++------
1 files changed, 25 insertions(+), 6 deletions(-)

diff --git a/drivers/net/wireless/mwl8k.c b/drivers/net/wireless/mwl8k.c
index 6e8c126..382ef43 100644
--- a/drivers/net/wireless/mwl8k.c
+++ b/drivers/net/wireless/mwl8k.c
@@ -1666,11 +1666,14 @@ struct mwl8k_cmd_get_hw_spec_sta {
#define MWL8K_CAP_DELAY_BA 0x00003000
#define MWL8K_CAP_MIMO 0x00000200
#define MWL8K_CAP_40MHZ 0x00000100
+#define MWL8K_CAP_BAND_MASK 0x00000007
+#define MWL8K_CAP_5GHZ 0x00000004
+#define MWL8K_CAP_2GHZ4 0x00000001

-static void mwl8k_set_ht_caps(struct ieee80211_hw *hw, u32 cap)
+static void
+mwl8k_set_ht_caps(struct ieee80211_hw *hw,
+ struct ieee80211_supported_band *band, u32 cap)
{
- struct mwl8k_priv *priv = hw->priv;
- struct ieee80211_supported_band *band = &priv->band_24;
int rx_streams;
int tx_streams;

@@ -1716,6 +1719,24 @@ static void mwl8k_set_ht_caps(struct ieee80211_hw *hw, u32 cap)
}
}

+static void
+mwl8k_set_caps(struct ieee80211_hw *hw, u32 caps)
+{
+ struct mwl8k_priv *priv = hw->priv;
+
+ if ((caps & MWL8K_CAP_2GHZ4) || !(caps & MWL8K_CAP_BAND_MASK)) {
+ mwl8k_setup_2ghz_band(hw);
+ if (caps & MWL8K_CAP_MIMO)
+ mwl8k_set_ht_caps(hw, &priv->band_24, caps);
+ }
+
+ if (caps & MWL8K_CAP_5GHZ) {
+ mwl8k_setup_5ghz_band(hw);
+ if (caps & MWL8K_CAP_MIMO)
+ mwl8k_set_ht_caps(hw, &priv->band_50, caps);
+ }
+}
+
static int mwl8k_cmd_get_hw_spec_sta(struct ieee80211_hw *hw)
{
struct mwl8k_priv *priv = hw->priv;
@@ -1746,9 +1767,7 @@ static int mwl8k_cmd_get_hw_spec_sta(struct ieee80211_hw *hw)
priv->num_mcaddrs = le16_to_cpu(cmd->num_mcaddrs);
priv->fw_rev = le32_to_cpu(cmd->fw_rev);
priv->hw_rev = cmd->hw_rev;
- mwl8k_setup_2ghz_band(hw);
- if (cmd->caps & cpu_to_le32(MWL8K_CAP_MIMO))
- mwl8k_set_ht_caps(hw, le32_to_cpu(cmd->caps));
+ mwl8k_set_caps(hw, le32_to_cpu(cmd->caps));
}

kfree(cmd);
--
1.5.6.4