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mwifiex: parse WMM IEs from hostapd for mwifiex AP

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This patch adds support for parsing WMM IEs from hostapd
and setting them to FW via sys configure command.

Patch also sets wiphy flag to advertise AP uAPSD support.

Signed-off-by: Avinash Patil <patila@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 2013-01-02 16:56:01 -08:00 committed by John W. Linville
parent d35f1035b5
commit 54428c57b6
6 changed files with 75 additions and 7 deletions
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2
drivers/net/wireless/mwifiex/cfg80211.c
View File

@ -1327,6 +1327,7 @@ static int mwifiex_cfg80211_start_ap(struct wiphy *wiphy,
}
mwifiex_set_ht_params(priv, bss_cfg, params);
mwifiex_set_wmm_params(priv, bss_cfg, params);
if (params->inactivity_timeout > 0) {
/* sta_ao_timer/ps_sta_ao_timer is in unit of 100ms */
@ -2261,6 +2262,7 @@ int mwifiex_register_cfg80211(struct mwifiex_adapter *adapter)
wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;
wiphy->flags |= WIPHY_FLAG_HAVE_AP_SME |
WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD |
WIPHY_FLAG_AP_UAPSD |
WIPHY_FLAG_CUSTOM_REGULATORY |
WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL;

18
drivers/net/wireless/mwifiex/decl.h
View File

@ -26,6 +26,7 @@
#include <linux/wait.h>
#include <linux/timer.h>
#include <linux/ieee80211.h>
#include <net/mac80211.h>
#define MWIFIEX_MAX_BSS_NUM (3)
@ -58,6 +59,8 @@
#define MWIFIEX_RTS_MAX_VALUE (2347)
#define MWIFIEX_FRAG_MIN_VALUE (256)
#define MWIFIEX_FRAG_MAX_VALUE (2346)
#define MWIFIEX_WMM_VERSION 0x01
#define MWIFIEX_WMM_SUBTYPE 0x01
#define MWIFIEX_RETRY_LIMIT 14
#define MWIFIEX_SDIO_BLOCK_SIZE 256
@ -126,4 +129,19 @@ enum mwifiex_wmm_ac_e {
WMM_AC_VI,
WMM_AC_VO
} __packed;
struct ieee_types_wmm_ac_parameters {
u8 aci_aifsn_bitmap;
u8 ecw_bitmap;
__le16 tx_op_limit;
} __packed;
struct mwifiex_types_wmm_info {
u8 oui[4];
u8 subtype;
u8 version;
u8 qos_info;
u8 reserved;
struct ieee_types_wmm_ac_parameters ac_params[IEEE80211_NUM_ACS];
} __packed;
#endif /* !_MWIFIEX_DECL_H_ */

11
drivers/net/wireless/mwifiex/fw.h
View File

@ -1131,12 +1131,6 @@ struct ieee_types_vendor_header {
u8 version;
} __packed;
struct ieee_types_wmm_ac_parameters {
u8 aci_aifsn_bitmap;
u8 ecw_bitmap;
__le16 tx_op_limit;
} __packed;
struct ieee_types_wmm_parameter {
/*
* WMM Parameter IE - Vendor Specific Header:
@ -1186,6 +1180,11 @@ struct mwifiex_ie_types_htcap {
struct ieee80211_ht_cap ht_cap;
} __packed;
struct mwifiex_ie_types_wmmcap {
struct mwifiex_ie_types_header header;
struct mwifiex_types_wmm_info wmm_info;
} __packed;
struct mwifiex_ie_types_htinfo {
struct mwifiex_ie_types_header header;
struct ieee80211_ht_operation ht_oper;

3
drivers/net/wireless/mwifiex/ioctl.h
View File

@ -20,7 +20,6 @@
#ifndef _MWIFIEX_IOCTL_H_
#define _MWIFIEX_IOCTL_H_
#include <net/mac80211.h>
#include <net/lib80211.h>
enum {
@ -107,6 +106,8 @@ struct mwifiex_uap_bss_param {
u8 rates[MWIFIEX_SUPPORTED_RATES];
u32 sta_ao_timer;
u32 ps_sta_ao_timer;
u8 qos_info;
struct mwifiex_types_wmm_info wmm_info;
};
enum {

4
drivers/net/wireless/mwifiex/main.h
View File

@ -890,6 +890,10 @@ void mwifiex_set_ht_params(struct mwifiex_private *priv,
struct cfg80211_ap_settings *params);
void mwifiex_set_uap_rates(struct mwifiex_uap_bss_param *bss_cfg,
struct cfg80211_ap_settings *params);
void
mwifiex_set_wmm_params(struct mwifiex_private *priv,
struct mwifiex_uap_bss_param *bss_cfg,
struct cfg80211_ap_settings *params);
/*
* This function checks if the queuing is RA based or not.

44
drivers/net/wireless/mwifiex/uap_cmd.c
View File

@ -219,6 +219,7 @@ void mwifiex_set_sys_config_invalid_data(struct mwifiex_uap_bss_param *config)
config->rts_threshold = 0x7FFF;
config->frag_threshold = 0x7FFF;
config->retry_limit = 0x7F;
config->qos_info = 0xFF;
}
/* This function parses BSS related parameters from structure
@ -297,6 +298,38 @@ mwifiex_uap_bss_wpa(u8 **tlv_buf, void *cmd_buf, u16 *param_size)
return;
}
/* This function parses WMM related parameters from cfg80211_ap_settings
* structure and updates bss_config structure.
*/
void
mwifiex_set_wmm_params(struct mwifiex_private *priv,
struct mwifiex_uap_bss_param *bss_cfg,
struct cfg80211_ap_settings *params)
{
const u8 *vendor_ie;
struct ieee_types_header *wmm_ie;
u8 wmm_oui[] = {0x00, 0x50, 0xf2, 0x02};
vendor_ie = cfg80211_find_vendor_ie(WLAN_OUI_MICROSOFT,
WLAN_OUI_TYPE_MICROSOFT_WMM,
params->beacon.tail,
params->beacon.tail_len);
if (vendor_ie) {
wmm_ie = (struct ieee_types_header *)vendor_ie;
memcpy(&bss_cfg->wmm_info, wmm_ie + 1,
sizeof(bss_cfg->wmm_info));
priv->wmm_enabled = 1;
} else {
memset(&bss_cfg->wmm_info, 0, sizeof(bss_cfg->wmm_info));
memcpy(&bss_cfg->wmm_info.oui, wmm_oui, sizeof(wmm_oui));
bss_cfg->wmm_info.subtype = MWIFIEX_WMM_SUBTYPE;
bss_cfg->wmm_info.version = MWIFIEX_WMM_VERSION;
priv->wmm_enabled = 0;
}
bss_cfg->qos_info = 0x00;
return;
}
/* This function parses BSS related parameters from structure
* and prepares TLVs specific to WEP encryption.
* These TLVs are appended to command buffer.
@ -354,6 +387,7 @@ mwifiex_uap_bss_param_prepare(u8 *tlv, void *cmd_buf, u16 *param_size)
struct host_cmd_tlv_rates *tlv_rates;
struct host_cmd_tlv_ageout_timer *ao_timer, *ps_ao_timer;
struct mwifiex_ie_types_htcap *htcap;
struct mwifiex_ie_types_wmmcap *wmm_cap;
struct mwifiex_uap_bss_param *bss_cfg = cmd_buf;
int i;
u16 cmd_size = *param_size;
@ -507,6 +541,16 @@ mwifiex_uap_bss_param_prepare(u8 *tlv, void *cmd_buf, u16 *param_size)
tlv += sizeof(struct mwifiex_ie_types_htcap);
}
if (bss_cfg->wmm_info.qos_info != 0xFF) {
wmm_cap = (struct mwifiex_ie_types_wmmcap *)tlv;
wmm_cap->header.type = cpu_to_le16(WLAN_EID_VENDOR_SPECIFIC);
wmm_cap->header.len = cpu_to_le16(sizeof(wmm_cap->wmm_info));
memcpy(&wmm_cap->wmm_info, &bss_cfg->wmm_info,
sizeof(wmm_cap->wmm_info));
cmd_size += sizeof(struct mwifiex_ie_types_wmmcap);
tlv += sizeof(struct mwifiex_ie_types_wmmcap);
}
if (bss_cfg->sta_ao_timer) {
ao_timer = (struct host_cmd_tlv_ageout_timer *)tlv;
ao_timer->tlv.type = cpu_to_le16(TLV_TYPE_UAP_AO_TIMER);