forked from Minki/linux
mwifiex: add VHT support for TDLS
During TDLS setup request/response, if HW is 11ac capable, we add VHT Capability IEs in outgoing data frame. Also while processing received setup request/response, we preserve peer's 11ac capability retrieved from IEs. Patch also gets VHT parameters from config_station handlers and sets it to FW using TDLS config command. Signed-off-by: Avinash Patil <patila@marvell.com> Signed-off-by: Bing Zhao <bzhao@marvell.com> Signed-off-by: Amitkumar Karwar <akarwar@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Avinash Patil
John W. Linville
parent
9ed230bcba
commit
5f6d598339
@ -108,8 +108,7 @@ mwifiex_fill_vht_cap_info(struct mwifiex_private *priv,
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cpu_to_le32(adapter->usr_dot_11ac_dev_cap_bg);
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}
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static void
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mwifiex_fill_vht_cap_tlv(struct mwifiex_private *priv,
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void mwifiex_fill_vht_cap_tlv(struct mwifiex_private *priv,
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struct ieee80211_vht_cap *vht_cap, u8 bands)
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{
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struct mwifiex_adapter *adapter = priv->adapter;
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@ -305,3 +304,81 @@ void mwifiex_set_11ac_ba_params(struct mwifiex_private *priv)
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return;
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}
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bool mwifiex_is_bss_in_11ac_mode(struct mwifiex_private *priv)
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{
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struct mwifiex_bssdescriptor *bss_desc;
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struct ieee80211_vht_operation *vht_oper;
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bss_desc = &priv->curr_bss_params.bss_descriptor;
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vht_oper = bss_desc->bcn_vht_oper;
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if (!bss_desc->bcn_vht_cap || !vht_oper)
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return false;
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if (vht_oper->chan_width == IEEE80211_VHT_CHANWIDTH_USE_HT)
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return false;
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return true;
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}
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u8 mwifiex_get_center_freq_index(struct mwifiex_private *priv, u8 band,
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u32 pri_chan, u8 chan_bw)
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{
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u8 center_freq_idx = 0;
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if (band & BAND_AAC) {
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switch (pri_chan) {
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case 36:
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case 40:
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case 44:
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case 48:
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if (chan_bw == IEEE80211_VHT_CHANWIDTH_80MHZ)
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center_freq_idx = 42;
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break;
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case 52:
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case 56:
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case 60:
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case 64:
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if (chan_bw == IEEE80211_VHT_CHANWIDTH_80MHZ)
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center_freq_idx = 58;
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else if (chan_bw == IEEE80211_VHT_CHANWIDTH_160MHZ)
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center_freq_idx = 50;
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break;
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case 100:
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case 104:
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case 108:
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case 112:
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if (chan_bw == IEEE80211_VHT_CHANWIDTH_80MHZ)
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center_freq_idx = 106;
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break;
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case 116:
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case 120:
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case 124:
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case 128:
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if (chan_bw == IEEE80211_VHT_CHANWIDTH_80MHZ)
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center_freq_idx = 122;
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else if (chan_bw == IEEE80211_VHT_CHANWIDTH_160MHZ)
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center_freq_idx = 114;
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break;
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case 132:
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case 136:
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case 140:
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case 144:
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if (chan_bw == IEEE80211_VHT_CHANWIDTH_80MHZ)
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center_freq_idx = 138;
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break;
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case 149:
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case 153:
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case 157:
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case 161:
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if (chan_bw == IEEE80211_VHT_CHANWIDTH_80MHZ)
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center_freq_idx = 155;
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break;
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default:
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center_freq_idx = 42;
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}
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}
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return center_freq_idx;
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}
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@ -40,4 +40,6 @@ int mwifiex_cmd_append_11ac_tlv(struct mwifiex_private *priv,
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int mwifiex_cmd_11ac_cfg(struct mwifiex_private *priv,
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struct host_cmd_ds_command *cmd, u16 cmd_action,
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struct mwifiex_11ac_vht_cfg *cfg);
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void mwifiex_fill_vht_cap_tlv(struct mwifiex_private *priv,
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struct ieee80211_vht_cap *vht_cap, u8 bands);
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#endif /* _MWIFIEX_11AC_H_ */
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@ -1356,6 +1356,11 @@ struct mwifiex_ie_types_vhtcap {
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struct ieee80211_vht_cap vht_cap;
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} __packed;
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struct mwifiex_ie_types_aid {
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struct mwifiex_ie_types_header header;
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__le16 aid;
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} __packed;
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struct mwifiex_ie_types_oper_mode_ntf {
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struct mwifiex_ie_types_header header;
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u8 oper_mode;
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@ -273,6 +273,21 @@ struct ieee_types_extcap {
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u8 ext_capab[8];
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} __packed;
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struct ieee_types_vht_cap {
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struct ieee_types_header ieee_hdr;
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struct ieee80211_vht_cap vhtcap;
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} __packed;
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struct ieee_types_vht_oper {
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struct ieee_types_header ieee_hdr;
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struct ieee80211_vht_operation vhtoper;
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} __packed;
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struct ieee_types_aid {
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struct ieee_types_header ieee_hdr;
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u16 aid;
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} __packed;
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struct mwifiex_bssdescriptor {
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u8 mac_address[ETH_ALEN];
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struct cfg80211_ssid ssid;
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@ -603,10 +618,13 @@ struct mwifiex_tdls_capab {
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u8 rates_len;
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u8 qos_info;
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u8 coex_2040;
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u16 aid;
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struct ieee80211_ht_cap ht_capb;
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struct ieee80211_ht_operation ht_oper;
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struct ieee_types_extcap extcap;
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struct ieee_types_generic rsn_ie;
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struct ieee80211_vht_cap vhtcap;
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struct ieee80211_vht_operation vhtoper;
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};
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/* This is AP/TDLS specific structure which stores information
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@ -617,6 +635,7 @@ struct mwifiex_sta_node {
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u8 mac_addr[ETH_ALEN];
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u8 is_wmm_enabled;
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u8 is_11n_enabled;
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u8 is_11ac_enabled;
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u8 ampdu_sta[MAX_NUM_TID];
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u16 rx_seq[MAX_NUM_TID];
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u16 max_amsdu;
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@ -1215,6 +1234,9 @@ void mwifiex_process_tdls_action_frame(struct mwifiex_private *priv,
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u8 *buf, int len);
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int mwifiex_tdls_oper(struct mwifiex_private *priv, u8 *peer, u8 action);
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int mwifiex_get_tdls_link_status(struct mwifiex_private *priv, u8 *mac);
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bool mwifiex_is_bss_in_11ac_mode(struct mwifiex_private *priv);
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u8 mwifiex_get_center_freq_index(struct mwifiex_private *priv, u8 band,
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u32 pri_chan, u8 chan_bw);
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#ifdef CONFIG_DEBUG_FS
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void mwifiex_debugfs_init(void);
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@ -1292,6 +1292,8 @@ mwifiex_cmd_tdls_oper(struct mwifiex_private *priv,
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struct mwifiex_ie_types_htcap *ht_capab;
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struct mwifiex_ie_types_qos_info *wmm_qos_info;
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struct mwifiex_ie_types_extcap *extcap;
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struct mwifiex_ie_types_vhtcap *vht_capab;
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struct mwifiex_ie_types_aid *aid;
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u8 *pos, qos_info;
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u16 config_len = 0;
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struct station_parameters *params = priv->sta_params;
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@ -1370,6 +1372,24 @@ mwifiex_cmd_tdls_oper(struct mwifiex_private *priv,
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config_len += sizeof(struct mwifiex_ie_types_extcap) +
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params->ext_capab_len;
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}
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if (params->vht_capa) {
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vht_capab = (struct mwifiex_ie_types_vhtcap *)(pos +
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config_len);
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vht_capab->header.type =
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cpu_to_le16(WLAN_EID_VHT_CAPABILITY);
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vht_capab->header.len =
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cpu_to_le16(sizeof(struct ieee80211_vht_cap));
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memcpy(&vht_capab->vht_cap, params->vht_capa,
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sizeof(struct ieee80211_vht_cap));
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config_len += sizeof(struct mwifiex_ie_types_vhtcap);
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}
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if (params->aid) {
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aid = (struct mwifiex_ie_types_aid *)(pos + config_len);
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aid->header.type = cpu_to_le16(WLAN_EID_AID);
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aid->header.len = cpu_to_le16(sizeof(params->aid));
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aid->aid = cpu_to_le16(params->aid);
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config_len += sizeof(struct mwifiex_ie_types_aid);
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}
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break;
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default:
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@ -19,6 +19,7 @@
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#include "wmm.h"
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#include "11n.h"
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#include "11n_rxreorder.h"
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#include "11ac.h"
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#define TDLS_REQ_FIX_LEN 6
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#define TDLS_RESP_FIX_LEN 8
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@ -151,7 +152,156 @@ mwifiex_tdls_append_rates_ie(struct mwifiex_private *priv,
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return 0;
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}
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static void mwifiex_tdls_add_ext_capab(struct sk_buff *skb)
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static void mwifiex_tdls_add_aid(struct mwifiex_private *priv,
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struct sk_buff *skb)
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{
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struct ieee_types_assoc_rsp *assoc_rsp;
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u8 *pos;
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assoc_rsp = (struct ieee_types_assoc_rsp *)&priv->assoc_rsp_buf;
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pos = (void *)skb_put(skb, 4);
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*pos++ = WLAN_EID_AID;
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*pos++ = 2;
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*pos++ = le16_to_cpu(assoc_rsp->a_id);
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return;
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}
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static int mwifiex_tdls_add_vht_capab(struct mwifiex_private *priv,
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struct sk_buff *skb)
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{
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struct ieee80211_vht_cap vht_cap;
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u8 *pos;
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pos = (void *)skb_put(skb, sizeof(struct ieee80211_vht_cap) + 2);
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*pos++ = WLAN_EID_VHT_CAPABILITY;
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*pos++ = sizeof(struct ieee80211_vht_cap);
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memset(&vht_cap, 0, sizeof(struct ieee80211_vht_cap));
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mwifiex_fill_vht_cap_tlv(priv, &vht_cap, priv->curr_bss_params.band);
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memcpy(pos, &vht_cap, sizeof(struct ieee80211_ht_cap));
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return 0;
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}
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static int mwifiex_tdls_add_vht_oper(struct mwifiex_private *priv,
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u8 *mac, struct sk_buff *skb)
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{
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struct mwifiex_bssdescriptor *bss_desc;
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struct ieee80211_vht_operation *vht_oper;
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struct ieee80211_vht_cap *vht_cap, *ap_vht_cap = NULL;
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struct mwifiex_sta_node *sta_ptr;
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struct mwifiex_adapter *adapter = priv->adapter;
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u8 supp_chwd_set, peer_supp_chwd_set;
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u8 *pos, ap_supp_chwd_set, chan_bw;
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u16 mcs_map_user, mcs_map_resp, mcs_map_result;
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u16 mcs_user, mcs_resp, nss;
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u32 usr_vht_cap_info;
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bss_desc = &priv->curr_bss_params.bss_descriptor;
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sta_ptr = mwifiex_get_sta_entry(priv, mac);
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if (unlikely(!sta_ptr)) {
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dev_warn(adapter->dev, "TDLS peer station not found in list\n");
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return -1;
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}
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if (!mwifiex_is_bss_in_11ac_mode(priv)) {
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if (sta_ptr->tdls_cap.extcap.ext_capab[7] &
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WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED) {
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dev_dbg(adapter->dev,
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"TDLS peer doesn't support wider bandwitdh\n");
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return 0;
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}
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} else {
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ap_vht_cap = bss_desc->bcn_vht_cap;
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}
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pos = (void *)skb_put(skb, sizeof(struct ieee80211_vht_operation) + 2);
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*pos++ = WLAN_EID_VHT_OPERATION;
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*pos++ = sizeof(struct ieee80211_vht_operation);
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vht_oper = (struct ieee80211_vht_operation *)pos;
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if (bss_desc->bss_band & BAND_A)
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usr_vht_cap_info = adapter->usr_dot_11ac_dev_cap_a;
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else
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usr_vht_cap_info = adapter->usr_dot_11ac_dev_cap_bg;
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/* find the minmum bandwith between AP/TDLS peers */
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vht_cap = &sta_ptr->tdls_cap.vhtcap;
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supp_chwd_set = GET_VHTCAP_CHWDSET(usr_vht_cap_info);
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peer_supp_chwd_set =
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GET_VHTCAP_CHWDSET(le32_to_cpu(vht_cap->vht_cap_info));
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supp_chwd_set = min_t(u8, supp_chwd_set, peer_supp_chwd_set);
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/* We need check AP's bandwidth when TDLS_WIDER_BANDWIDTH is off */
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if (ap_vht_cap && sta_ptr->tdls_cap.extcap.ext_capab[7] &
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WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED) {
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ap_supp_chwd_set =
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GET_VHTCAP_CHWDSET(le32_to_cpu(ap_vht_cap->vht_cap_info));
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supp_chwd_set = min_t(u8, supp_chwd_set, ap_supp_chwd_set);
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}
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switch (supp_chwd_set) {
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case IEEE80211_VHT_CHANWIDTH_80MHZ:
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vht_oper->chan_width = IEEE80211_VHT_CHANWIDTH_80MHZ;
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break;
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case IEEE80211_VHT_CHANWIDTH_160MHZ:
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vht_oper->chan_width = IEEE80211_VHT_CHANWIDTH_160MHZ;
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break;
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case IEEE80211_VHT_CHANWIDTH_80P80MHZ:
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vht_oper->chan_width = IEEE80211_VHT_CHANWIDTH_80P80MHZ;
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break;
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default:
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vht_oper->chan_width = IEEE80211_VHT_CHANWIDTH_USE_HT;
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break;
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}
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mcs_map_user = GET_DEVRXMCSMAP(adapter->usr_dot_11ac_mcs_support);
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mcs_map_resp = le16_to_cpu(vht_cap->supp_mcs.rx_mcs_map);
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mcs_map_result = 0;
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for (nss = 1; nss <= 8; nss++) {
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mcs_user = GET_VHTNSSMCS(mcs_map_user, nss);
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mcs_resp = GET_VHTNSSMCS(mcs_map_resp, nss);
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if ((mcs_user == IEEE80211_VHT_MCS_NOT_SUPPORTED) ||
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(mcs_resp == IEEE80211_VHT_MCS_NOT_SUPPORTED))
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SET_VHTNSSMCS(mcs_map_result, nss,
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IEEE80211_VHT_MCS_NOT_SUPPORTED);
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else
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SET_VHTNSSMCS(mcs_map_result, nss,
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min_t(u16, mcs_user, mcs_resp));
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}
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vht_oper->basic_mcs_set = cpu_to_le16(mcs_map_result);
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switch (vht_oper->chan_width) {
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case IEEE80211_VHT_CHANWIDTH_80MHZ:
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chan_bw = IEEE80211_VHT_CHANWIDTH_80MHZ;
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break;
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case IEEE80211_VHT_CHANWIDTH_160MHZ:
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chan_bw = IEEE80211_VHT_CHANWIDTH_160MHZ;
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break;
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case IEEE80211_VHT_CHANWIDTH_80P80MHZ:
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chan_bw = IEEE80211_VHT_CHANWIDTH_80MHZ;
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break;
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default:
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chan_bw = IEEE80211_VHT_CHANWIDTH_USE_HT;
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break;
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}
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vht_oper->center_freq_seg1_idx =
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mwifiex_get_center_freq_index(priv, BAND_AAC,
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bss_desc->channel,
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chan_bw);
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return 0;
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}
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static void mwifiex_tdls_add_ext_capab(struct mwifiex_private *priv,
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struct sk_buff *skb)
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{
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struct ieee_types_extcap *extcap;
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@ -160,6 +310,9 @@ static void mwifiex_tdls_add_ext_capab(struct sk_buff *skb)
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extcap->ieee_hdr.len = 8;
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memset(extcap->ext_capab, 0, 8);
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extcap->ext_capab[4] |= WLAN_EXT_CAPA5_TDLS_ENABLED;
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if (priv->adapter->is_hw_11ac_capable)
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extcap->ext_capab[7] |= WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED;
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}
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static void mwifiex_tdls_add_qos_capab(struct sk_buff *skb)
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@ -213,7 +366,16 @@ static int mwifiex_prep_tdls_encap_data(struct mwifiex_private *priv,
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return ret;
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}
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mwifiex_tdls_add_ext_capab(skb);
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if (priv->adapter->is_hw_11ac_capable) {
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ret = mwifiex_tdls_add_vht_capab(priv, skb);
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if (ret) {
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dev_kfree_skb_any(skb);
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return ret;
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}
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mwifiex_tdls_add_aid(priv, skb);
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}
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mwifiex_tdls_add_ext_capab(priv, skb);
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mwifiex_tdls_add_qos_capab(skb);
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break;
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@ -241,7 +403,16 @@ static int mwifiex_prep_tdls_encap_data(struct mwifiex_private *priv,
|
||||
return ret;
|
||||
}
|
||||
|
||||
mwifiex_tdls_add_ext_capab(skb);
|
||||
if (priv->adapter->is_hw_11ac_capable) {
|
||||
ret = mwifiex_tdls_add_vht_capab(priv, skb);
|
||||
if (ret) {
|
||||
dev_kfree_skb_any(skb);
|
||||
return ret;
|
||||
}
|
||||
mwifiex_tdls_add_aid(priv, skb);
|
||||
}
|
||||
|
||||
mwifiex_tdls_add_ext_capab(priv, skb);
|
||||
mwifiex_tdls_add_qos_capab(skb);
|
||||
break;
|
||||
|
||||
@ -251,6 +422,13 @@ static int mwifiex_prep_tdls_encap_data(struct mwifiex_private *priv,
|
||||
skb_put(skb, sizeof(tf->u.setup_cfm));
|
||||
tf->u.setup_cfm.status_code = cpu_to_le16(status_code);
|
||||
tf->u.setup_cfm.dialog_token = dialog_token;
|
||||
if (priv->adapter->is_hw_11ac_capable) {
|
||||
ret = mwifiex_tdls_add_vht_oper(priv, peer, skb);
|
||||
if (ret) {
|
||||
dev_kfree_skb_any(skb);
|
||||
return ret;
|
||||
}
|
||||
}
|
||||
break;
|
||||
|
||||
case WLAN_TDLS_TEARDOWN:
|
||||
@ -313,6 +491,11 @@ int mwifiex_send_tdls_data_frame(struct mwifiex_private *priv,
|
||||
sizeof(struct ieee80211_tdls_lnkie) +
|
||||
extra_ies_len;
|
||||
|
||||
if (priv->adapter->is_hw_11ac_capable)
|
||||
skb_len += sizeof(struct ieee_types_vht_cap) +
|
||||
sizeof(struct ieee_types_vht_oper) +
|
||||
sizeof(struct ieee_types_aid);
|
||||
|
||||
skb = dev_alloc_skb(skb_len);
|
||||
if (!skb) {
|
||||
dev_err(priv->adapter->dev,
|
||||
@ -435,7 +618,16 @@ mwifiex_construct_tdls_action_frame(struct mwifiex_private *priv, u8 *peer,
|
||||
return ret;
|
||||
}
|
||||
|
||||
mwifiex_tdls_add_ext_capab(skb);
|
||||
if (priv->adapter->is_hw_11ac_capable) {
|
||||
ret = mwifiex_tdls_add_vht_capab(priv, skb);
|
||||
if (ret) {
|
||||
dev_kfree_skb_any(skb);
|
||||
return ret;
|
||||
}
|
||||
mwifiex_tdls_add_aid(priv, skb);
|
||||
}
|
||||
|
||||
mwifiex_tdls_add_ext_capab(priv, skb);
|
||||
mwifiex_tdls_add_qos_capab(skb);
|
||||
break;
|
||||
default:
|
||||
@ -472,6 +664,11 @@ int mwifiex_send_tdls_action_frame(struct mwifiex_private *priv,
|
||||
3 + /* Qos Info */
|
||||
ETH_ALEN; /* Address4 */
|
||||
|
||||
if (priv->adapter->is_hw_11ac_capable)
|
||||
skb_len += sizeof(struct ieee_types_vht_cap) +
|
||||
sizeof(struct ieee_types_vht_oper) +
|
||||
sizeof(struct ieee_types_aid);
|
||||
|
||||
skb = dev_alloc_skb(skb_len);
|
||||
if (!skb) {
|
||||
dev_err(priv->adapter->dev,
|
||||
@ -626,6 +823,22 @@ void mwifiex_process_tdls_action_frame(struct mwifiex_private *priv,
|
||||
case WLAN_EID_QOS_CAPA:
|
||||
sta_ptr->tdls_cap.qos_info = pos[2];
|
||||
break;
|
||||
case WLAN_EID_VHT_OPERATION:
|
||||
if (priv->adapter->is_hw_11ac_capable)
|
||||
memcpy(&sta_ptr->tdls_cap.vhtoper, pos,
|
||||
sizeof(struct ieee80211_vht_operation));
|
||||
break;
|
||||
case WLAN_EID_VHT_CAPABILITY:
|
||||
if (priv->adapter->is_hw_11ac_capable) {
|
||||
memcpy((u8 *)&sta_ptr->tdls_cap.vhtcap, pos,
|
||||
sizeof(struct ieee80211_vht_cap));
|
||||
sta_ptr->is_11ac_enabled = 1;
|
||||
}
|
||||
break;
|
||||
case WLAN_EID_AID:
|
||||
if (priv->adapter->is_hw_11ac_capable)
|
||||
sta_ptr->tdls_cap.aid =
|
||||
le16_to_cpu(*(__le16 *)(pos + 2));
|
||||
default:
|
||||
break;
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user