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mwifiex: parse rate info for AP

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This patch adds support for parsing rates from cfg80211_ap_settings
of start_ap handler. This in turn adds support for 11a and 11b phy
configurations.

Signed-off-by: Avinash Patil <patila@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>
This commit is contained in:
Avinash Patil 2012-08-27 20:32:53 -07:00 committed by John W. Linville
parent e3a8e0b435
commit a3c2c4f6d8
5 changed files with 58 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
drivers/net/wireless/mwifiex/cfg80211.c
View File

@ -969,15 +969,18 @@ static int mwifiex_cfg80211_start_ap(struct wiphy *wiphy,
bss_cfg->channel =
(u8)ieee80211_frequency_to_channel(params->channel->center_freq);
bss_cfg->band_cfg = BAND_CONFIG_MANUAL;
/* Set appropriate bands */
if (params->channel->band == IEEE80211_BAND_2GHZ) {
bss_cfg->band_cfg = BAND_CONFIG_BG;
if (params->channel_type == NL80211_CHAN_NO_HT)
config_bands = BAND_B | BAND_G;
else
config_bands = BAND_B | BAND_G | BAND_GN;
} else {
bss_cfg->band_cfg = BAND_CONFIG_A;
if (params->channel_type == NL80211_CHAN_NO_HT)
config_bands = BAND_A;
else
@ -988,6 +991,7 @@ static int mwifiex_cfg80211_start_ap(struct wiphy *wiphy,
~priv->adapter->fw_bands))
priv->adapter->config_bands = config_bands;
mwifiex_set_uap_rates(bss_cfg, params);
mwifiex_send_domain_info_cmd_fw(wiphy);
if (mwifiex_set_secure_params(priv, bss_cfg, params)) {

6
drivers/net/wireless/mwifiex/fw.h
View File

@ -108,6 +108,7 @@ enum MWIFIEX_802_11_PRIVACY_FILTER {
#define MGMT_MASK_BEACON 0x100
#define TLV_TYPE_UAP_SSID 0x0000
#define TLV_TYPE_UAP_RATES 0x0001
#define PROPRIETARY_TLV_BASE_ID 0x0100
#define TLV_TYPE_KEY_MATERIAL (PROPRIETARY_TLV_BASE_ID + 0)
@ -1284,6 +1285,11 @@ struct host_cmd_tlv_ssid {
u8 ssid[0];
} __packed;
struct host_cmd_tlv_rates {
struct host_cmd_tlv tlv;
u8 rates[0];
} __packed;
struct host_cmd_tlv_bcast_ssid {
struct host_cmd_tlv tlv;
u8 bcast_ctl;

7
drivers/net/wireless/mwifiex/ioctl.h
View File

@ -81,7 +81,11 @@ struct wep_key {
#define KEY_MGMT_ON_HOST 0x03
#define MWIFIEX_AUTH_MODE_AUTO 0xFF
#define BAND_CONFIG_MANUAL 0x00
#define BAND_CONFIG_BG 0x00
#define BAND_CONFIG_A 0x01
#define MWIFIEX_SUPPORTED_RATES 14
#define MWIFIEX_SUPPORTED_RATES_EXT 32
struct mwifiex_uap_bss_param {
u8 channel;
u8 band_cfg;
@ -100,6 +104,7 @@ struct mwifiex_uap_bss_param {
struct wpa_param wpa_cfg;
struct wep_key wep_cfg[NUM_WEP_KEYS];
struct ieee80211_ht_cap ht_cap;
u8 rates[MWIFIEX_SUPPORTED_RATES];
};
enum {

7
drivers/net/wireless/mwifiex/main.h
View File

@ -116,6 +116,7 @@ enum {
#define MAX_BITMAP_RATES_SIZE 10
#define MAX_CHANNEL_BAND_BG 14
#define MAX_CHANNEL_BAND_A 165
#define MAX_FREQUENCY_BAND_BG 2484
@ -249,10 +250,6 @@ struct ieee_types_header {
u8 len;
} __packed;
#define MWIFIEX_SUPPORTED_RATES 14
#define MWIFIEX_SUPPORTED_RATES_EXT 32
struct ieee_types_vendor_specific {
struct ieee_types_vendor_header vend_hdr;
u8 data[IEEE_MAX_IE_SIZE - sizeof(struct ieee_types_vendor_header)];
@ -872,6 +869,8 @@ int mwifiex_set_secure_params(struct mwifiex_private *priv,
void mwifiex_set_ht_params(struct mwifiex_private *priv,
struct mwifiex_uap_bss_param *bss_cfg,
struct cfg80211_ap_settings *params);
void mwifiex_set_uap_rates(struct mwifiex_uap_bss_param *bss_cfg,
struct cfg80211_ap_settings *params);
/*
* This function checks if the queuing is RA based or not.

39
drivers/net/wireless/mwifiex/uap_cmd.c
View File

@ -177,6 +177,25 @@ mwifiex_set_ht_params(struct mwifiex_private *priv,
return;
}
/* This function finds supported rates IE from beacon parameter and sets
* these rates into bss_config structure.
*/
void
mwifiex_set_uap_rates(struct mwifiex_uap_bss_param *bss_cfg,
struct cfg80211_ap_settings *params)
{
struct ieee_types_header *rate_ie;
int var_offset = offsetof(struct ieee80211_mgmt, u.beacon.variable);
const u8 *var_pos = params->beacon.head + var_offset;
int len = params->beacon.head_len - var_offset;
rate_ie = (void *)cfg80211_find_ie(WLAN_EID_SUPP_RATES, var_pos, len);
if (rate_ie)
memcpy(bss_cfg->rates, rate_ie + 1, rate_ie->len);
return;
}
/* This function initializes some of mwifiex_uap_bss_param variables.
* This helps FW in ignoring invalid values. These values may or may not
* be get updated to valid ones at later stage.
@ -323,8 +342,10 @@ mwifiex_uap_bss_param_prepare(u8 *tlv, void *cmd_buf, u16 *param_size)
struct host_cmd_tlv_retry_limit *retry_limit;
struct host_cmd_tlv_encrypt_protocol *encrypt_protocol;
struct host_cmd_tlv_auth_type *auth_type;
struct host_cmd_tlv_rates *tlv_rates;
struct mwifiex_ie_types_htcap *htcap;
struct mwifiex_uap_bss_param *bss_cfg = cmd_buf;
int i;
u16 cmd_size = *param_size;
if (bss_cfg->ssid.ssid_len) {
@ -344,7 +365,23 @@ mwifiex_uap_bss_param_prepare(u8 *tlv, void *cmd_buf, u16 *param_size)
cmd_size += sizeof(struct host_cmd_tlv_bcast_ssid);
tlv += sizeof(struct host_cmd_tlv_bcast_ssid);
}
if (bss_cfg->channel && bss_cfg->channel <= MAX_CHANNEL_BAND_BG) {
if (bss_cfg->rates[0]) {
tlv_rates = (struct host_cmd_tlv_rates *)tlv;
tlv_rates->tlv.type = cpu_to_le16(TLV_TYPE_UAP_RATES);
for (i = 0; i < MWIFIEX_SUPPORTED_RATES && bss_cfg->rates[i];
i++)
tlv_rates->rates[i] = bss_cfg->rates[i];
tlv_rates->tlv.len = cpu_to_le16(i);
cmd_size += sizeof(struct host_cmd_tlv_rates) + i;
tlv += sizeof(struct host_cmd_tlv_rates) + i;
}
if (bss_cfg->channel &&
((bss_cfg->band_cfg == BAND_CONFIG_BG &&
bss_cfg->channel <= MAX_CHANNEL_BAND_BG) ||
(bss_cfg->band_cfg == BAND_CONFIG_A &&
bss_cfg->channel <= MAX_CHANNEL_BAND_A))) {
chan_band = (struct host_cmd_tlv_channel_band *)tlv;
chan_band->tlv.type = cpu_to_le16(TLV_TYPE_CHANNELBANDLIST);
chan_band->tlv.len =