2014-02-04 00:40:14

by Bing Zhao

[permalink] [raw]
Subject: [PATCH 04/30] mwifiex: remove unsupported code in 11ac

bit12 in fw_cap_info is for testing only.
Remove all related code.

Signed-off-by: Bing Zhao <[email protected]>
---
drivers/net/wireless/mwifiex/cfg80211.c | 3 ---
drivers/net/wireless/mwifiex/cfp.c | 5 -----
drivers/net/wireless/mwifiex/fw.h | 20 +++++++++++---------
drivers/net/wireless/mwifiex/ioctl.h | 3 +--
drivers/net/wireless/mwifiex/join.c | 12 ++++--------
drivers/net/wireless/mwifiex/sta_ioctl.c | 2 +-
6 files changed, 17 insertions(+), 28 deletions(-)

diff --git a/drivers/net/wireless/mwifiex/cfg80211.c b/drivers/net/wireless/mwifiex/cfg80211.c
index 8bfc07c..41e9aac 100644
--- a/drivers/net/wireless/mwifiex/cfg80211.c
+++ b/drivers/net/wireless/mwifiex/cfg80211.c
@@ -1416,9 +1416,6 @@ static int mwifiex_cfg80211_start_ap(struct wiphy *wiphy,

if (params->chandef.width > NL80211_CHAN_WIDTH_20_NOHT)
config_bands |= BAND_GN;
-
- if (params->chandef.width > NL80211_CHAN_WIDTH_40)
- config_bands |= BAND_GAC;
} else {
bss_cfg->band_cfg = BAND_CONFIG_A;
config_bands = BAND_A;
diff --git a/drivers/net/wireless/mwifiex/cfp.c b/drivers/net/wireless/mwifiex/cfp.c
index dfb068b..2c3226b 100644
--- a/drivers/net/wireless/mwifiex/cfp.c
+++ b/drivers/net/wireless/mwifiex/cfp.c
@@ -438,7 +438,6 @@ u32 mwifiex_get_supported_rates(struct mwifiex_private *priv, u8 *rates)
break;
case BAND_G:
case BAND_G | BAND_GN:
- case BAND_G | BAND_GN | BAND_GAC:
dev_dbg(adapter->dev, "info: infra band=%d "
"supported_rates_g\n", adapter->config_bands);
k = mwifiex_copy_rates(rates, k, supported_rates_g,
@@ -449,10 +448,7 @@ u32 mwifiex_get_supported_rates(struct mwifiex_private *priv, u8 *rates)
case BAND_A | BAND_B:
case BAND_A | BAND_B | BAND_G | BAND_GN | BAND_AN:
case BAND_A | BAND_B | BAND_G | BAND_GN | BAND_AN | BAND_AAC:
- case BAND_A | BAND_B | BAND_G | BAND_GN | BAND_AN |
- BAND_AAC | BAND_GAC:
case BAND_B | BAND_G | BAND_GN:
- case BAND_B | BAND_G | BAND_GN | BAND_GAC:
dev_dbg(adapter->dev, "info: infra band=%d "
"supported_rates_bg\n", adapter->config_bands);
k = mwifiex_copy_rates(rates, k, supported_rates_bg,
@@ -476,7 +472,6 @@ u32 mwifiex_get_supported_rates(struct mwifiex_private *priv, u8 *rates)
sizeof(supported_rates_a));
break;
case BAND_GN:
- case BAND_GN | BAND_GAC:
dev_dbg(adapter->dev, "info: infra band=%d "
"supported_rates_n\n", adapter->config_bands);
k = mwifiex_copy_rates(rates, k, supported_rates_n,
diff --git a/drivers/net/wireless/mwifiex/fw.h b/drivers/net/wireless/mwifiex/fw.h
index 059bc16..d8014c8 100644
--- a/drivers/net/wireless/mwifiex/fw.h
+++ b/drivers/net/wireless/mwifiex/fw.h
@@ -50,21 +50,23 @@ struct tx_packet_hdr {
#define HOSTCMD_SUPPORTED_RATES 14
#define N_SUPPORTED_RATES 3
#define ALL_802_11_BANDS (BAND_A | BAND_B | BAND_G | BAND_GN | \
- BAND_AN | BAND_GAC | BAND_AAC)
+ BAND_AN | BAND_AAC)

#define FW_MULTI_BANDS_SUPPORT (BIT(8) | BIT(9) | BIT(10) | BIT(11) | \
- BIT(12) | BIT(13))
+ BIT(13))
#define IS_SUPPORT_MULTI_BANDS(adapter) \
(adapter->fw_cap_info & FW_MULTI_BANDS_SUPPORT)

-/* shift bit 12 and bit 13 in fw_cap_info from the firmware to bit 13 and 14
- * for 11ac so that bit 11 is for GN, bit 12 for AN, bit 13 for GAC, and bit
- * bit 14 for AAC, in order to be compatible with the band capability
- * defined in the driver after right shift of 8 bits.
+/* bit 13: 11ac BAND_AAC
+ * bit 12: reserved for lab testing, will be reused for BAND_AN
+ * bit 11: 11n BAND_GN
+ * bit 10: 11a BAND_A
+ * bit 9: 11g BAND_G
+ * bit 8: 11b BAND_B
+ * Map these bits to band capability by right shifting 8 bits.
*/
#define GET_FW_DEFAULT_BANDS(adapter) \
- (((((adapter->fw_cap_info & 0x3000) << 1) | \
- (adapter->fw_cap_info & ~0xF000)) >> 8) & \
+ (((adapter->fw_cap_info & 0x2f00) >> 8) & \
ALL_802_11_BANDS)

#define HostCmd_WEP_KEY_INDEX_MASK 0x3fff
@@ -226,7 +228,7 @@ enum MWIFIEX_802_11_PRIVACY_FILTER {

/* HW_SPEC fw_cap_info */

-#define ISSUPP_11ACENABLED(fw_cap_info) (fw_cap_info & (BIT(12)|BIT(13)))
+#define ISSUPP_11ACENABLED(fw_cap_info) (fw_cap_info & BIT(13))

#define GET_VHTCAP_CHWDSET(vht_cap_info) ((vht_cap_info >> 2) & 0x3)
#define GET_VHTNSSMCS(mcs_mapset, nss) ((mcs_mapset >> (2 * (nss - 1))) & 0x3)
diff --git a/drivers/net/wireless/mwifiex/ioctl.h b/drivers/net/wireless/mwifiex/ioctl.h
index 00a95f4..48f1590 100644
--- a/drivers/net/wireless/mwifiex/ioctl.h
+++ b/drivers/net/wireless/mwifiex/ioctl.h
@@ -60,8 +60,7 @@ enum {
BAND_A = 4,
BAND_GN = 8,
BAND_AN = 16,
- BAND_GAC = 32,
- BAND_AAC = 64,
+ BAND_AAC = 32,
};

#define MWIFIEX_WPA_PASSHPHRASE_LEN 64
diff --git a/drivers/net/wireless/mwifiex/join.c b/drivers/net/wireless/mwifiex/join.c
index 4e4686e..d3934c6 100644
--- a/drivers/net/wireless/mwifiex/join.c
+++ b/drivers/net/wireless/mwifiex/join.c
@@ -515,8 +515,7 @@ int mwifiex_cmd_802_11_associate(struct mwifiex_private *priv,

if (ISSUPP_11ACENABLED(priv->adapter->fw_cap_info) &&
!bss_desc->disable_11n && !bss_desc->disable_11ac &&
- (priv->adapter->config_bands & BAND_GAC ||
- priv->adapter->config_bands & BAND_AAC))
+ priv->adapter->config_bands & BAND_AAC)
mwifiex_cmd_append_11ac_tlv(priv, bss_desc, &pos);

/* Append vendor specific IE TLV */
@@ -1300,8 +1299,7 @@ int mwifiex_associate(struct mwifiex_private *priv,

if (ISSUPP_11ACENABLED(priv->adapter->fw_cap_info) &&
!bss_desc->disable_11n && !bss_desc->disable_11ac &&
- (priv->adapter->config_bands & BAND_GAC ||
- priv->adapter->config_bands & BAND_AAC))
+ priv->adapter->config_bands & BAND_AAC)
mwifiex_set_11ac_ba_params(priv);
else
mwifiex_set_ba_params(priv);
@@ -1335,8 +1333,7 @@ mwifiex_adhoc_start(struct mwifiex_private *priv,
priv->curr_bss_params.band);

if (ISSUPP_11ACENABLED(priv->adapter->fw_cap_info) &&
- (priv->adapter->config_bands & BAND_GAC ||
- priv->adapter->config_bands & BAND_AAC))
+ priv->adapter->config_bands & BAND_AAC)
mwifiex_set_11ac_ba_params(priv);
else
mwifiex_set_ba_params(priv);
@@ -1376,8 +1373,7 @@ int mwifiex_adhoc_join(struct mwifiex_private *priv,

if (ISSUPP_11ACENABLED(priv->adapter->fw_cap_info) &&
!bss_desc->disable_11n && !bss_desc->disable_11ac &&
- (priv->adapter->config_bands & BAND_GAC ||
- priv->adapter->config_bands & BAND_AAC))
+ priv->adapter->config_bands & BAND_AAC)
mwifiex_set_11ac_ba_params(priv);
else
mwifiex_set_ba_params(priv);
diff --git a/drivers/net/wireless/mwifiex/sta_ioctl.c b/drivers/net/wireless/mwifiex/sta_ioctl.c
index c5cb2ed..9e55a48 100644
--- a/drivers/net/wireless/mwifiex/sta_ioctl.c
+++ b/drivers/net/wireless/mwifiex/sta_ioctl.c
@@ -290,7 +290,7 @@ int mwifiex_bss_start(struct mwifiex_private *priv, struct cfg80211_bss *bss,

if (mwifiex_band_to_radio_type(bss_desc->bss_band) ==
HostCmd_SCAN_RADIO_TYPE_BG)
- config_bands = BAND_B | BAND_G | BAND_GN | BAND_GAC;
+ config_bands = BAND_B | BAND_G | BAND_GN;
else
config_bands = BAND_A | BAND_AN | BAND_AAC;

--
1.8.2.3