/*
* This function prepares command for association.
*
* This sets the following parameters -
* - Peer MAC address
* - Listen interval
* - Beacon interval
* - Capability information
*
* ...and the following TLVs, as required -
* - SSID TLV
* - PHY TLV
* - SS TLV
* - Rates TLV
* - Authentication TLV
* - Channel TLV
* - WPA/WPA2 IE
* - 11n TLV
* - Vendor specific TLV
* - WMM TLV
* - WAPI IE
* - Generic IE
* - TSF TLV
*
* Preparation also includes -
* - Setting command ID and proper size
* - Ensuring correct endian-ness
*/
int mwifiex_cmd_802_11_associate(struct mwifiex_private *priv,
struct host_cmd_ds_command *cmd,
struct mwifiex_bssdescriptor *bss_desc)
{
struct host_cmd_ds_802_11_associate *assoc = &cmd->params.associate;
struct mwifiex_ie_types_ssid_param_set *ssid_tlv;
struct mwifiex_ie_types_phy_param_set *phy_tlv;
struct mwifiex_ie_types_ss_param_set *ss_tlv;
struct mwifiex_ie_types_rates_param_set *rates_tlv;
struct mwifiex_ie_types_auth_type *auth_tlv;
struct mwifiex_ie_types_chan_list_param_set *chan_tlv;
u8 rates[MWIFIEX_SUPPORTED_RATES];
u32 rates_size;
u16 tmp_cap;
u8 *pos;
int rsn_ie_len = 0;
pos = (u8 *) assoc;
cmd->command = cpu_to_le16(HostCmd_CMD_802_11_ASSOCIATE);
/* Save so we know which BSS Desc to use in the response handler */
priv->attempted_bss_desc = bss_desc;
memcpy(assoc->peer_sta_addr,
bss_desc->mac_address, sizeof(assoc->peer_sta_addr));
pos += sizeof(assoc->peer_sta_addr);
/* Set the listen interval */
assoc->listen_interval = cpu_to_le16(priv->listen_interval);
/* Set the beacon period */
assoc->beacon_period = cpu_to_le16(bss_desc->beacon_period);
pos += sizeof(assoc->cap_info_bitmap);
pos += sizeof(assoc->listen_interval);
pos += sizeof(assoc->beacon_period);
pos += sizeof(assoc->dtim_period);
ssid_tlv = (struct mwifiex_ie_types_ssid_param_set *) pos;
ssid_tlv->header.type = cpu_to_le16(WLAN_EID_SSID);
ssid_tlv->header.len = cpu_to_le16((u16) bss_desc->ssid.ssid_len);
memcpy(ssid_tlv->ssid, bss_desc->ssid.ssid,
le16_to_cpu(ssid_tlv->header.len));
pos += sizeof(ssid_tlv->header) + le16_to_cpu(ssid_tlv->header.len);
phy_tlv = (struct mwifiex_ie_types_phy_param_set *) pos;
phy_tlv->header.type = cpu_to_le16(WLAN_EID_DS_PARAMS);
phy_tlv->header.len = cpu_to_le16(sizeof(phy_tlv->fh_ds.ds_param_set));
memcpy(&phy_tlv->fh_ds.ds_param_set,
&bss_desc->phy_param_set.ds_param_set.current_chan,
sizeof(phy_tlv->fh_ds.ds_param_set));
pos += sizeof(phy_tlv->header) + le16_to_cpu(phy_tlv->header.len);
ss_tlv = (struct mwifiex_ie_types_ss_param_set *) pos;
ss_tlv->header.type = cpu_to_le16(WLAN_EID_CF_PARAMS);
ss_tlv->header.len = cpu_to_le16(sizeof(ss_tlv->cf_ibss.cf_param_set));
pos += sizeof(ss_tlv->header) + le16_to_cpu(ss_tlv->header.len);
/* Get the common rates supported between the driver and the BSS Desc */
if (mwifiex_setup_rates_from_bssdesc
(priv, bss_desc, rates, &rates_size))
return -1;
/* Save the data rates into Current BSS state structure */
priv->curr_bss_params.num_of_rates = rates_size;
memcpy(&priv->curr_bss_params.data_rates, rates, rates_size);
/* Setup the Rates TLV in the association command */
rates_tlv = (struct mwifiex_ie_types_rates_param_set *) pos;
rates_tlv->header.type = cpu_to_le16(WLAN_EID_SUPP_RATES);
rates_tlv->header.len = cpu_to_le16((u16) rates_size);
memcpy(rates_tlv->rates, rates, rates_size);
pos += sizeof(rates_tlv->header) + rates_size;
dev_dbg(priv->adapter->dev, "info: ASSOC_CMD: rates size = %d\n",
rates_size);
/* Add the Authentication type to be used for Auth frames */
auth_tlv = (struct mwifiex_ie_types_auth_type *) pos;
auth_tlv->header.type = cpu_to_le16(TLV_TYPE_AUTH_TYPE);
auth_tlv->header.len = cpu_to_le16(sizeof(auth_tlv->auth_type));
if (priv->sec_info.wep_enabled)
auth_tlv->auth_type = cpu_to_le16(
(u16) priv->sec_info.authentication_mode);
else
auth_tlv->auth_type = cpu_to_le16(NL80211_AUTHTYPE_OPEN_SYSTEM);
pos += sizeof(auth_tlv->header) + le16_to_cpu(auth_tlv->header.len);
if (IS_SUPPORT_MULTI_BANDS(priv->adapter) &&
!(ISSUPP_11NENABLED(priv->adapter->fw_cap_info) &&
(!bss_desc->disable_11n) &&
(priv->adapter->config_bands & BAND_GN ||
priv->adapter->config_bands & BAND_AN) &&
(bss_desc->bcn_ht_cap)
)
) {
/* Append a channel TLV for the channel the attempted AP was
found on */
chan_tlv = (struct mwifiex_ie_types_chan_list_param_set *) pos;
chan_tlv->header.type = cpu_to_le16(TLV_TYPE_CHANLIST);
chan_tlv->header.len =
cpu_to_le16(sizeof(struct mwifiex_chan_scan_param_set));
memset(chan_tlv->chan_scan_param, 0x00,
sizeof(struct mwifiex_chan_scan_param_set));
chan_tlv->chan_scan_param[0].chan_number =
(bss_desc->phy_param_set.ds_param_set.current_chan);
dev_dbg(priv->adapter->dev, "info: Assoc: TLV Chan = %d\n",
chan_tlv->chan_scan_param[0].chan_number);
chan_tlv->chan_scan_param[0].radio_type =
mwifiex_band_to_radio_type((u8) bss_desc->bss_band);
dev_dbg(priv->adapter->dev, "info: Assoc: TLV Band = %d\n",
chan_tlv->chan_scan_param[0].radio_type);
pos += sizeof(chan_tlv->header) +
sizeof(struct mwifiex_chan_scan_param_set);
}
if (!priv->wps.session_enable) {
if (priv->sec_info.wpa_enabled || priv->sec_info.wpa2_enabled)
rsn_ie_len = mwifiex_append_rsn_ie_wpa_wpa2(priv, &pos);
if (rsn_ie_len == -1)
return -1;
}
if (ISSUPP_11NENABLED(priv->adapter->fw_cap_info) &&
(!bss_desc->disable_11n) &&
(priv->adapter->config_bands & BAND_GN ||
priv->adapter->config_bands & BAND_AN))
mwifiex_cmd_append_11n_tlv(priv, bss_desc, &pos);
if (ISSUPP_11ACENABLED(priv->adapter->fw_cap_info) &&
!bss_desc->disable_11n && !bss_desc->disable_11ac &&
priv->adapter->config_bands & BAND_AAC)
mwifiex_cmd_append_11ac_tlv(priv, bss_desc, &pos);
/* Append vendor specific IE TLV */
mwifiex_cmd_append_vsie_tlv(priv, MWIFIEX_VSIE_MASK_ASSOC, &pos);
mwifiex_wmm_process_association_req(priv, &pos, &bss_desc->wmm_ie,
bss_desc->bcn_ht_cap);
if (priv->sec_info.wapi_enabled && priv->wapi_ie_len)
mwifiex_cmd_append_wapi_ie(priv, &pos);
if (priv->wps.session_enable && priv->wps_ie_len)
mwifiex_cmd_append_wps_ie(priv, &pos);
mwifiex_cmd_append_generic_ie(priv, &pos);
mwifiex_cmd_append_tsf_tlv(priv, &pos, bss_desc);
mwifiex_11h_process_join(priv, &pos, bss_desc);
cmd->size = cpu_to_le16((u16) (pos - (u8 *) assoc) + S_DS_GEN);
/* Set the Capability info at last */
tmp_cap = bss_desc->cap_info_bitmap;
if (priv->adapter->config_bands == BAND_B)
tmp_cap &= ~WLAN_CAPABILITY_SHORT_SLOT_TIME;
tmp_cap &= CAPINFO_MASK;
dev_dbg(priv->adapter->dev, "info: ASSOC_CMD: tmp_cap=%4X CAPINFO_MASK=%4lX\n",
tmp_cap, CAPINFO_MASK);
assoc->cap_info_bitmap = cpu_to_le16(tmp_cap);
return 0;
}
int mwifiex_cmd_802_11_associate(struct mwifiex_private *priv,
struct host_cmd_ds_command *cmd,
struct mwifiex_bssdescriptor *bss_desc)
{
struct host_cmd_ds_802_11_associate *assoc = &cmd->params.associate;
struct mwifiex_ie_types_ssid_param_set *ssid_tlv;
struct mwifiex_ie_types_phy_param_set *phy_tlv;
struct mwifiex_ie_types_ss_param_set *ss_tlv;
struct mwifiex_ie_types_rates_param_set *rates_tlv;
struct mwifiex_ie_types_auth_type *auth_tlv;
struct mwifiex_ie_types_chan_list_param_set *chan_tlv;
u8 rates[MWIFIEX_SUPPORTED_RATES];
u32 rates_size;
u16 tmp_cap;
u8 *pos;
int rsn_ie_len = 0;
pos = (u8 *) assoc;
mwifiex_cfg_tx_buf(priv, bss_desc);
cmd->command = cpu_to_le16(HostCmd_CMD_802_11_ASSOCIATE);
priv->attempted_bss_desc = bss_desc;
memcpy(assoc->peer_sta_addr,
bss_desc->mac_address, sizeof(assoc->peer_sta_addr));
pos += sizeof(assoc->peer_sta_addr);
assoc->listen_interval = cpu_to_le16(priv->listen_interval);
assoc->beacon_period = cpu_to_le16(bss_desc->beacon_period);
pos += sizeof(assoc->cap_info_bitmap);
pos += sizeof(assoc->listen_interval);
pos += sizeof(assoc->beacon_period);
pos += sizeof(assoc->dtim_period);
ssid_tlv = (struct mwifiex_ie_types_ssid_param_set *) pos;
ssid_tlv->header.type = cpu_to_le16(WLAN_EID_SSID);
ssid_tlv->header.len = cpu_to_le16((u16) bss_desc->ssid.ssid_len);
memcpy(ssid_tlv->ssid, bss_desc->ssid.ssid,
le16_to_cpu(ssid_tlv->header.len));
pos += sizeof(ssid_tlv->header) + le16_to_cpu(ssid_tlv->header.len);
phy_tlv = (struct mwifiex_ie_types_phy_param_set *) pos;
phy_tlv->header.type = cpu_to_le16(WLAN_EID_DS_PARAMS);
phy_tlv->header.len = cpu_to_le16(sizeof(phy_tlv->fh_ds.ds_param_set));
memcpy(&phy_tlv->fh_ds.ds_param_set,
&bss_desc->phy_param_set.ds_param_set.current_chan,
sizeof(phy_tlv->fh_ds.ds_param_set));
pos += sizeof(phy_tlv->header) + le16_to_cpu(phy_tlv->header.len);
ss_tlv = (struct mwifiex_ie_types_ss_param_set *) pos;
ss_tlv->header.type = cpu_to_le16(WLAN_EID_CF_PARAMS);
ss_tlv->header.len = cpu_to_le16(sizeof(ss_tlv->cf_ibss.cf_param_set));
pos += sizeof(ss_tlv->header) + le16_to_cpu(ss_tlv->header.len);
if (mwifiex_setup_rates_from_bssdesc
(priv, bss_desc, rates, &rates_size))
return -1;
priv->curr_bss_params.num_of_rates = rates_size;
memcpy(&priv->curr_bss_params.data_rates, rates, rates_size);
rates_tlv = (struct mwifiex_ie_types_rates_param_set *) pos;
rates_tlv->header.type = cpu_to_le16(WLAN_EID_SUPP_RATES);
rates_tlv->header.len = cpu_to_le16((u16) rates_size);
memcpy(rates_tlv->rates, rates, rates_size);
pos += sizeof(rates_tlv->header) + rates_size;
dev_dbg(priv->adapter->dev, "info: ASSOC_CMD: rates size = %d\n",
rates_size);
auth_tlv = (struct mwifiex_ie_types_auth_type *) pos;
auth_tlv->header.type = cpu_to_le16(TLV_TYPE_AUTH_TYPE);
auth_tlv->header.len = cpu_to_le16(sizeof(auth_tlv->auth_type));
if (priv->sec_info.wep_enabled)
auth_tlv->auth_type = cpu_to_le16(
(u16) priv->sec_info.authentication_mode);
else
auth_tlv->auth_type = cpu_to_le16(NL80211_AUTHTYPE_OPEN_SYSTEM);
pos += sizeof(auth_tlv->header) + le16_to_cpu(auth_tlv->header.len);
if (IS_SUPPORT_MULTI_BANDS(priv->adapter) &&
!(ISSUPP_11NENABLED(priv->adapter->fw_cap_info) &&
(!bss_desc->disable_11n) &&
(priv->adapter->config_bands & BAND_GN ||
priv->adapter->config_bands & BAND_AN) &&
(bss_desc->bcn_ht_cap)
)
) {
chan_tlv = (struct mwifiex_ie_types_chan_list_param_set *) pos;
chan_tlv->header.type = cpu_to_le16(TLV_TYPE_CHANLIST);
chan_tlv->header.len =
cpu_to_le16(sizeof(struct mwifiex_chan_scan_param_set));
memset(chan_tlv->chan_scan_param, 0x00,
sizeof(struct mwifiex_chan_scan_param_set));
chan_tlv->chan_scan_param[0].chan_number =
(bss_desc->phy_param_set.ds_param_set.current_chan);
dev_dbg(priv->adapter->dev, "info: Assoc: TLV Chan = %d\n",
chan_tlv->chan_scan_param[0].chan_number);
chan_tlv->chan_scan_param[0].radio_type =
mwifiex_band_to_radio_type((u8) bss_desc->bss_band);
dev_dbg(priv->adapter->dev, "info: Assoc: TLV Band = %d\n",
chan_tlv->chan_scan_param[0].radio_type);
pos += sizeof(chan_tlv->header) +
sizeof(struct mwifiex_chan_scan_param_set);
}
if (!priv->wps.session_enable) {
if (priv->sec_info.wpa_enabled || priv->sec_info.wpa2_enabled)
rsn_ie_len = mwifiex_append_rsn_ie_wpa_wpa2(priv, &pos);
if (rsn_ie_len == -1)
return -1;
}
if (ISSUPP_11NENABLED(priv->adapter->fw_cap_info) &&
(!bss_desc->disable_11n) &&
(priv->adapter->config_bands & BAND_GN ||
priv->adapter->config_bands & BAND_AN))
mwifiex_cmd_append_11n_tlv(priv, bss_desc, &pos);
mwifiex_cmd_append_vsie_tlv(priv, MWIFIEX_VSIE_MASK_ASSOC, &pos);
mwifiex_wmm_process_association_req(priv, &pos, &bss_desc->wmm_ie,
bss_desc->bcn_ht_cap);
if (priv->sec_info.wapi_enabled && priv->wapi_ie_len)
mwifiex_cmd_append_wapi_ie(priv, &pos);
mwifiex_cmd_append_generic_ie(priv, &pos);
mwifiex_cmd_append_tsf_tlv(priv, &pos, bss_desc);
cmd->size = cpu_to_le16((u16) (pos - (u8 *) assoc) + S_DS_GEN);
tmp_cap = bss_desc->cap_info_bitmap;
if (priv->adapter->config_bands == BAND_B)
tmp_cap &= ~WLAN_CAPABILITY_SHORT_SLOT_TIME;
tmp_cap &= CAPINFO_MASK;
dev_dbg(priv->adapter->dev, "info: ASSOC_CMD: tmp_cap=%4X CAPINFO_MASK=%4lX\n",
tmp_cap, CAPINFO_MASK);
assoc->cap_info_bitmap = cpu_to_le16(tmp_cap);
return 0;
}