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authorAmitkumar Karwar <akarwar@marvell.com>2011-07-08 20:40:30 -0700
committerJohn W. Linville <linville@tuxdriver.com>2011-07-11 15:02:10 -0400
commitcd27bc3c3efb95ee20e5b627c483eb9513cd0350 (patch)
treebbae8a66acb5957d36514c320dc71237ffba82fc
parent5c3d29fc0d083e674c09407f1bc78e9dbf4ae8a5 (diff)
downloadop-kernel-dev-cd27bc3c3efb95ee20e5b627c483eb9513cd0350.zip
op-kernel-dev-cd27bc3c3efb95ee20e5b627c483eb9513cd0350.tar.gz
mwifiex: 11n specific configuration for transmit
Currently device is not able to transmit in 40MHz in spite of enabling 40MHz support in HTCapInfo IE in assoc req, because 11n specific FW capabilities for transmission are not initialized. This patch adds code to initilize these capabilities. Signed-off-by: Amitkumar Karwar <akarwar@marvell.com> Signed-off-by: Yogesh Ashok Powar <yogeshp@marvell.com> Signed-off-by: Kiran Divekar <dkiran@marvell.com> Signed-off-by: Bing Zhao <bzhao@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
-rw-r--r--drivers/net/wireless/mwifiex/fw.h11
-rw-r--r--drivers/net/wireless/mwifiex/sta_cmd.c10
2 files changed, 20 insertions, 1 deletions
diff --git a/drivers/net/wireless/mwifiex/fw.h b/drivers/net/wireless/mwifiex/fw.h
index afdd145..4fee099 100644
--- a/drivers/net/wireless/mwifiex/fw.h
+++ b/drivers/net/wireless/mwifiex/fw.h
@@ -157,6 +157,17 @@ enum MWIFIEX_802_11_WEP_STATUS {
#define ISSUPP_RXSTBC(Dot11nDevCap) (Dot11nDevCap & BIT(26))
#define ISSUPP_GREENFIELD(Dot11nDevCap) (Dot11nDevCap & BIT(29))
+/* httxcfg bitmap
+ * 0 reserved
+ * 1 20/40 Mhz enable(1)/disable(0)
+ * 2-3 reserved
+ * 4 green field enable(1)/disable(0)
+ * 5 short GI in 20 Mhz enable(1)/disable(0)
+ * 6 short GI in 40 Mhz enable(1)/disable(0)
+ * 7-15 reserved
+ */
+#define MWIFIEX_FW_DEF_HTTXCFG (BIT(1) | BIT(4) | BIT(5) | BIT(6))
+
#define GET_RXMCSSUPP(DevMCSSupported) (DevMCSSupported & 0x0f)
#define SETHT_MCS32(x) (x[4] |= 1)
diff --git a/drivers/net/wireless/mwifiex/sta_cmd.c b/drivers/net/wireless/mwifiex/sta_cmd.c
index 49b9c13..c54ee28 100644
--- a/drivers/net/wireless/mwifiex/sta_cmd.c
+++ b/drivers/net/wireless/mwifiex/sta_cmd.c
@@ -1113,6 +1113,7 @@ int mwifiex_sta_init_cmd(struct mwifiex_private *priv, u8 first_sta)
struct mwifiex_ds_11n_amsdu_aggr_ctrl amsdu_aggr_ctrl;
struct mwifiex_ds_auto_ds auto_ds;
enum state_11d_t state_11d;
+ struct mwifiex_ds_11n_tx_cfg tx_cfg;
if (first_sta) {
@@ -1198,8 +1199,15 @@ int mwifiex_sta_init_cmd(struct mwifiex_private *priv, u8 first_sta)
if (ret)
dev_err(priv->adapter->dev, "11D: failed to enable 11D\n");
+ /* Send cmd to FW to configure 11n specific configuration
+ * (Short GI, Channel BW, Green field support etc.) for transmit
+ */
+ tx_cfg.tx_htcap = MWIFIEX_FW_DEF_HTTXCFG;
+ ret = mwifiex_send_cmd_async(priv, HostCmd_CMD_11N_CFG,
+ HostCmd_ACT_GEN_SET, 0, &tx_cfg);
+
/* set last_init_cmd */
- priv->adapter->last_init_cmd = HostCmd_CMD_802_11_SNMP_MIB;
+ priv->adapter->last_init_cmd = HostCmd_CMD_11N_CFG;
ret = -EINPROGRESS;
return ret;
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