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mwifiex: set HT capability based on cfg80211_ap_settings 

Parse HT IE from cfg80211 and set HT capabilities accordingly
to FW. If HT IE is missing, 11n would be disabled in FW.

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 2012-06-15 12:21:53 -07:00 committed by John W. Linville
parent 0abd79e5a8
commit 2228125600
5 changed files with 59 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/net/wireless/mwifiex/cfg80211.c
View File

@ -978,6 +978,8 @@ static int mwifiex_cfg80211_start_ap(struct wiphy *wiphy,
return -1;
}
mwifiex_set_ht_params(priv, bss_cfg, params);
if (mwifiex_send_cmd_sync(priv, HostCmd_CMD_UAP_BSS_STOP,
HostCmd_ACT_GEN_SET, 0, NULL)) {
wiphy_err(wiphy, "Failed to stop the BSS\n");

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

@ -162,6 +162,12 @@ enum MWIFIEX_802_11_PRIVACY_FILTER {
#define ISSUPP_11NENABLED(FwCapInfo) (FwCapInfo & BIT(11))
#define MWIFIEX_DEF_HT_CAP (IEEE80211_HT_CAP_DSSSCCK40 | \
(1 << IEEE80211_HT_CAP_RX_STBC_SHIFT) | \
IEEE80211_HT_CAP_SM_PS)
#define MWIFIEX_DEF_AMPDU IEEE80211_HT_AMPDU_PARM_FACTOR
/* dev_cap bitmap
* BIT
* 0-16 reserved

1
drivers/net/wireless/mwifiex/ioctl.h
View File

@ -90,6 +90,7 @@ struct mwifiex_uap_bss_param {
u16 key_mgmt;
u16 key_mgmt_operation;
struct wpa_param wpa_cfg;
struct ieee80211_ht_cap ht_cap;
};
enum {

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

@ -840,6 +840,9 @@ void mwifiex_init_priv_params(struct mwifiex_private *priv,
int mwifiex_set_secure_params(struct mwifiex_private *priv,
struct mwifiex_uap_bss_param *bss_config,
struct cfg80211_ap_settings *params);
void mwifiex_set_ht_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.

47
drivers/net/wireless/mwifiex/uap_cmd.c
View File

@ -118,6 +118,33 @@ int mwifiex_set_secure_params(struct mwifiex_private *priv,
return 0;
}
/* This function updates 11n related parameters from IE and sets them into
* bss_config structure.
*/
void
mwifiex_set_ht_params(struct mwifiex_private *priv,
struct mwifiex_uap_bss_param *bss_cfg,
struct cfg80211_ap_settings *params)
{
const u8 *ht_ie;
if (!ISSUPP_11NENABLED(priv->adapter->fw_cap_info))
return;
ht_ie = cfg80211_find_ie(WLAN_EID_HT_CAPABILITY, params->beacon.tail,
params->beacon.tail_len);
if (ht_ie) {
memcpy(&bss_cfg->ht_cap, ht_ie + 2,
sizeof(struct ieee80211_ht_cap));
} else {
memset(&bss_cfg->ht_cap , 0, sizeof(struct ieee80211_ht_cap));
bss_cfg->ht_cap.cap_info = cpu_to_le16(MWIFIEX_DEF_HT_CAP);
bss_cfg->ht_cap.ampdu_params_info = MWIFIEX_DEF_AMPDU;
}
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.
@ -154,6 +181,7 @@ mwifiex_uap_bss_param_prepare(u8 *tlv, void *cmd_buf, u16 *param_size)
struct host_cmd_tlv_auth_type *auth_type;
struct host_cmd_tlv_passphrase *passphrase;
struct host_cmd_tlv_akmp *tlv_akmp;
struct mwifiex_ie_types_htcap *htcap;
struct mwifiex_uap_bss_param *bss_cfg = cmd_buf;
u16 cmd_size = *param_size;
@ -330,6 +358,25 @@ mwifiex_uap_bss_param_prepare(u8 *tlv, void *cmd_buf, u16 *param_size)
tlv += sizeof(struct host_cmd_tlv_encrypt_protocol);
}
if (bss_cfg->ht_cap.cap_info) {
htcap = (struct mwifiex_ie_types_htcap *)tlv;
htcap->header.type = cpu_to_le16(WLAN_EID_HT_CAPABILITY);
htcap->header.len =
cpu_to_le16(sizeof(struct ieee80211_ht_cap));
htcap->ht_cap.cap_info = bss_cfg->ht_cap.cap_info;
htcap->ht_cap.ampdu_params_info =
bss_cfg->ht_cap.ampdu_params_info;
memcpy(&htcap->ht_cap.mcs, &bss_cfg->ht_cap.mcs,
sizeof(struct ieee80211_mcs_info));
htcap->ht_cap.extended_ht_cap_info =
bss_cfg->ht_cap.extended_ht_cap_info;
htcap->ht_cap.tx_BF_cap_info = bss_cfg->ht_cap.tx_BF_cap_info;
htcap->ht_cap.antenna_selection_info =
bss_cfg->ht_cap.antenna_selection_info;
cmd_size += sizeof(struct mwifiex_ie_types_htcap);
tlv += sizeof(struct mwifiex_ie_types_htcap);
}
*param_size = cmd_size;
return 0;