| /* |
| * Marvell Wireless LAN device driver: association and ad-hoc start/join |
| * |
| * Copyright (C) 2011, Marvell International Ltd. |
| * |
| * This software file (the "File") is distributed by Marvell International |
| * Ltd. under the terms of the GNU General Public License Version 2, June 1991 |
| * (the "License"). You may use, redistribute and/or modify this File in |
| * accordance with the terms and conditions of the License, a copy of which |
| * is available by writing to the Free Software Foundation, Inc., |
| * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the |
| * worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt. |
| * |
| * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE |
| * ARE EXPRESSLY DISCLAIMED. The License provides additional details about |
| * this warranty disclaimer. |
| */ |
| |
| #include "decl.h" |
| #include "ioctl.h" |
| #include "util.h" |
| #include "fw.h" |
| #include "main.h" |
| #include "wmm.h" |
| #include "11n.h" |
| #include "11ac.h" |
| |
| #define CAPINFO_MASK (~(BIT(15) | BIT(14) | BIT(12) | BIT(11) | BIT(9))) |
| |
| /* |
| * Append a generic IE as a pass through TLV to a TLV buffer. |
| * |
| * This function is called from the network join command preparation routine. |
| * |
| * If the IE buffer has been setup by the application, this routine appends |
| * the buffer as a pass through TLV type to the request. |
| */ |
| static int |
| mwifiex_cmd_append_generic_ie(struct mwifiex_private *priv, u8 **buffer) |
| { |
| int ret_len = 0; |
| struct mwifiex_ie_types_header ie_header; |
| |
| /* Null Checks */ |
| if (!buffer) |
| return 0; |
| if (!(*buffer)) |
| return 0; |
| |
| /* |
| * If there is a generic ie buffer setup, append it to the return |
| * parameter buffer pointer. |
| */ |
| if (priv->gen_ie_buf_len) { |
| dev_dbg(priv->adapter->dev, |
| "info: %s: append generic ie len %d to %p\n", |
| __func__, priv->gen_ie_buf_len, *buffer); |
| |
| /* Wrap the generic IE buffer with a pass through TLV type */ |
| ie_header.type = cpu_to_le16(TLV_TYPE_PASSTHROUGH); |
| ie_header.len = cpu_to_le16(priv->gen_ie_buf_len); |
| memcpy(*buffer, &ie_header, sizeof(ie_header)); |
| |
| /* Increment the return size and the return buffer pointer |
| param */ |
| *buffer += sizeof(ie_header); |
| ret_len += sizeof(ie_header); |
| |
| /* Copy the generic IE buffer to the output buffer, advance |
| pointer */ |
| memcpy(*buffer, priv->gen_ie_buf, priv->gen_ie_buf_len); |
| |
| /* Increment the return size and the return buffer pointer |
| param */ |
| *buffer += priv->gen_ie_buf_len; |
| ret_len += priv->gen_ie_buf_len; |
| |
| /* Reset the generic IE buffer */ |
| priv->gen_ie_buf_len = 0; |
| } |
| |
| /* return the length appended to the buffer */ |
| return ret_len; |
| } |
| |
| /* |
| * Append TSF tracking info from the scan table for the target AP. |
| * |
| * This function is called from the network join command preparation routine. |
| * |
| * The TSF table TSF sent to the firmware contains two TSF values: |
| * - The TSF of the target AP from its previous beacon/probe response |
| * - The TSF timestamp of our local MAC at the time we observed the |
| * beacon/probe response. |
| * |
| * The firmware uses the timestamp values to set an initial TSF value |
| * in the MAC for the new association after a reassociation attempt. |
| */ |
| static int |
| mwifiex_cmd_append_tsf_tlv(struct mwifiex_private *priv, u8 **buffer, |
| struct mwifiex_bssdescriptor *bss_desc) |
| { |
| struct mwifiex_ie_types_tsf_timestamp tsf_tlv; |
| __le64 tsf_val; |
| |
| /* Null Checks */ |
| if (buffer == NULL) |
| return 0; |
| if (*buffer == NULL) |
| return 0; |
| |
| memset(&tsf_tlv, 0x00, sizeof(struct mwifiex_ie_types_tsf_timestamp)); |
| |
| tsf_tlv.header.type = cpu_to_le16(TLV_TYPE_TSFTIMESTAMP); |
| tsf_tlv.header.len = cpu_to_le16(2 * sizeof(tsf_val)); |
| |
| memcpy(*buffer, &tsf_tlv, sizeof(tsf_tlv.header)); |
| *buffer += sizeof(tsf_tlv.header); |
| |
| /* TSF at the time when beacon/probe_response was received */ |
| tsf_val = cpu_to_le64(bss_desc->fw_tsf); |
| memcpy(*buffer, &tsf_val, sizeof(tsf_val)); |
| *buffer += sizeof(tsf_val); |
| |
| tsf_val = cpu_to_le64(bss_desc->timestamp); |
| |
| dev_dbg(priv->adapter->dev, |
| "info: %s: TSF offset calc: %016llx - %016llx\n", |
| __func__, bss_desc->timestamp, bss_desc->fw_tsf); |
| |
| memcpy(*buffer, &tsf_val, sizeof(tsf_val)); |
| *buffer += sizeof(tsf_val); |
| |
| return sizeof(tsf_tlv.header) + (2 * sizeof(tsf_val)); |
| } |
| |
| /* |
| * This function finds out the common rates between rate1 and rate2. |
| * |
| * It will fill common rates in rate1 as output if found. |
| * |
| * NOTE: Setting the MSB of the basic rates needs to be taken |
| * care of, either before or after calling this function. |
| */ |
| static int mwifiex_get_common_rates(struct mwifiex_private *priv, u8 *rate1, |
| u32 rate1_size, u8 *rate2, u32 rate2_size) |
| { |
| int ret; |
| u8 *ptr = rate1, *tmp; |
| u32 i, j; |
| |
| tmp = kmemdup(rate1, rate1_size, GFP_KERNEL); |
| if (!tmp) { |
| dev_err(priv->adapter->dev, "failed to alloc tmp buf\n"); |
| return -ENOMEM; |
| } |
| |
| memset(rate1, 0, rate1_size); |
| |
| for (i = 0; i < rate2_size && rate2[i]; i++) { |
| for (j = 0; j < rate1_size && tmp[j]; j++) { |
| /* Check common rate, excluding the bit for |
| basic rate */ |
| if ((rate2[i] & 0x7F) == (tmp[j] & 0x7F)) { |
| *rate1++ = tmp[j]; |
| break; |
| } |
| } |
| } |
| |
| dev_dbg(priv->adapter->dev, "info: Tx data rate set to %#x\n", |
| priv->data_rate); |
| |
| if (!priv->is_data_rate_auto) { |
| while (*ptr) { |
| if ((*ptr & 0x7f) == priv->data_rate) { |
| ret = 0; |
| goto done; |
| } |
| ptr++; |
| } |
| dev_err(priv->adapter->dev, "previously set fixed data rate %#x" |
| " is not compatible with the network\n", |
| priv->data_rate); |
| |
| ret = -1; |
| goto done; |
| } |
| |
| ret = 0; |
| done: |
| kfree(tmp); |
| return ret; |
| } |
| |
| /* |
| * This function creates the intersection of the rates supported by a |
| * target BSS and our adapter settings for use in an assoc/join command. |
| */ |
| static int |
| mwifiex_setup_rates_from_bssdesc(struct mwifiex_private *priv, |
| struct mwifiex_bssdescriptor *bss_desc, |
| u8 *out_rates, u32 *out_rates_size) |
| { |
| u8 card_rates[MWIFIEX_SUPPORTED_RATES]; |
| u32 card_rates_size; |
| |
| /* Copy AP supported rates */ |
| memcpy(out_rates, bss_desc->supported_rates, MWIFIEX_SUPPORTED_RATES); |
| /* Get the STA supported rates */ |
| card_rates_size = mwifiex_get_active_data_rates(priv, card_rates); |
| /* Get the common rates between AP and STA supported rates */ |
| if (mwifiex_get_common_rates(priv, out_rates, MWIFIEX_SUPPORTED_RATES, |
| card_rates, card_rates_size)) { |
| *out_rates_size = 0; |
| dev_err(priv->adapter->dev, "%s: cannot get common rates\n", |
| __func__); |
| return -1; |
| } |
| |
| *out_rates_size = |
| min_t(size_t, strlen(out_rates), MWIFIEX_SUPPORTED_RATES); |
| |
| return 0; |
| } |
| |
| /* |
| * This function appends a WPS IE. It is called from the network join command |
| * preparation routine. |
| * |
| * If the IE buffer has been setup by the application, this routine appends |
| * the buffer as a WPS TLV type to the request. |
| */ |
| static int |
| mwifiex_cmd_append_wps_ie(struct mwifiex_private *priv, u8 **buffer) |
| { |
| int retLen = 0; |
| struct mwifiex_ie_types_header ie_header; |
| |
| if (!buffer || !*buffer) |
| return 0; |
| |
| /* |
| * If there is a wps ie buffer setup, append it to the return |
| * parameter buffer pointer. |
| */ |
| if (priv->wps_ie_len) { |
| dev_dbg(priv->adapter->dev, "cmd: append wps ie %d to %p\n", |
| priv->wps_ie_len, *buffer); |
| |
| /* Wrap the generic IE buffer with a pass through TLV type */ |
| ie_header.type = cpu_to_le16(TLV_TYPE_MGMT_IE); |
| ie_header.len = cpu_to_le16(priv->wps_ie_len); |
| memcpy(*buffer, &ie_header, sizeof(ie_header)); |
| *buffer += sizeof(ie_header); |
| retLen += sizeof(ie_header); |
| |
| memcpy(*buffer, priv->wps_ie, priv->wps_ie_len); |
| *buffer += priv->wps_ie_len; |
| retLen += priv->wps_ie_len; |
| |
| } |
| |
| kfree(priv->wps_ie); |
| priv->wps_ie_len = 0; |
| return retLen; |
| } |
| |
| /* |
| * This function appends a WAPI IE. |
| * |
| * This function is called from the network join command preparation routine. |
| * |
| * If the IE buffer has been setup by the application, this routine appends |
| * the buffer as a WAPI TLV type to the request. |
| */ |
| static int |
| mwifiex_cmd_append_wapi_ie(struct mwifiex_private *priv, u8 **buffer) |
| { |
| int retLen = 0; |
| struct mwifiex_ie_types_header ie_header; |
| |
| /* Null Checks */ |
| if (buffer == NULL) |
| return 0; |
| if (*buffer == NULL) |
| return 0; |
| |
| /* |
| * If there is a wapi ie buffer setup, append it to the return |
| * parameter buffer pointer. |
| */ |
| if (priv->wapi_ie_len) { |
| dev_dbg(priv->adapter->dev, "cmd: append wapi ie %d to %p\n", |
| priv->wapi_ie_len, *buffer); |
| |
| /* Wrap the generic IE buffer with a pass through TLV type */ |
| ie_header.type = cpu_to_le16(TLV_TYPE_WAPI_IE); |
| ie_header.len = cpu_to_le16(priv->wapi_ie_len); |
| memcpy(*buffer, &ie_header, sizeof(ie_header)); |
| |
| /* Increment the return size and the return buffer pointer |
| param */ |
| *buffer += sizeof(ie_header); |
| retLen += sizeof(ie_header); |
| |
| /* Copy the wapi IE buffer to the output buffer, advance |
| pointer */ |
| memcpy(*buffer, priv->wapi_ie, priv->wapi_ie_len); |
| |
| /* Increment the return size and the return buffer pointer |
| param */ |
| *buffer += priv->wapi_ie_len; |
| retLen += priv->wapi_ie_len; |
| |
| } |
| /* return the length appended to the buffer */ |
| return retLen; |
| } |
| |
| /* |
| * This function appends rsn ie tlv for wpa/wpa2 security modes. |
| * It is called from the network join command preparation routine. |
| */ |
| static int mwifiex_append_rsn_ie_wpa_wpa2(struct mwifiex_private *priv, |
| u8 **buffer) |
| { |
| struct mwifiex_ie_types_rsn_param_set *rsn_ie_tlv; |
| int rsn_ie_len; |
| |
| if (!buffer || !(*buffer)) |
| return 0; |
| |
| rsn_ie_tlv = (struct mwifiex_ie_types_rsn_param_set *) (*buffer); |
| rsn_ie_tlv->header.type = cpu_to_le16((u16) priv->wpa_ie[0]); |
| rsn_ie_tlv->header.type = cpu_to_le16( |
| le16_to_cpu(rsn_ie_tlv->header.type) & 0x00FF); |
| rsn_ie_tlv->header.len = cpu_to_le16((u16) priv->wpa_ie[1]); |
| rsn_ie_tlv->header.len = cpu_to_le16(le16_to_cpu(rsn_ie_tlv->header.len) |
| & 0x00FF); |
| if (le16_to_cpu(rsn_ie_tlv->header.len) <= (sizeof(priv->wpa_ie) - 2)) |
| memcpy(rsn_ie_tlv->rsn_ie, &priv->wpa_ie[2], |
| le16_to_cpu(rsn_ie_tlv->header.len)); |
| else |
| return -1; |
| |
| rsn_ie_len = sizeof(rsn_ie_tlv->header) + |
| le16_to_cpu(rsn_ie_tlv->header.len); |
| *buffer += rsn_ie_len; |
| |
| return rsn_ie_len; |
| } |
| |
| /* |
| * 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_GAC || |
| 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; |
| } |
| |
| /* |
| * Association firmware command response handler |
| * |
| * The response buffer for the association command has the following |
| * memory layout. |
| * |
| * For cases where an association response was not received (indicated |
| * by the CapInfo and AId field): |
| * |
| * .------------------------------------------------------------. |
| * | Header(4 * sizeof(t_u16)): Standard command response hdr | |
| * .------------------------------------------------------------. |
| * | cap_info/Error Return(t_u16): | |
| * | 0xFFFF(-1): Internal error | |
| * | 0xFFFE(-2): Authentication unhandled message | |
| * | 0xFFFD(-3): Authentication refused | |
| * | 0xFFFC(-4): Timeout waiting for AP response | |
| * .------------------------------------------------------------. |
| * | status_code(t_u16): | |
| * | If cap_info is -1: | |
| * | An internal firmware failure prevented the | |
| * | command from being processed. The status_code | |
| * | will be set to 1. | |
| * | | |
| * | If cap_info is -2: | |
| * | An authentication frame was received but was | |
| * | not handled by the firmware. IEEE Status | |
| * | code for the failure is returned. | |
| * | | |
| * | If cap_info is -3: | |
| * | An authentication frame was received and the | |
| * | status_code is the IEEE Status reported in the | |
| * | response. | |
| * | | |
| * | If cap_info is -4: | |
| * | (1) Association response timeout | |
| * | (2) Authentication response timeout | |
| * .------------------------------------------------------------. |
| * | a_id(t_u16): 0xFFFF | |
| * .------------------------------------------------------------. |
| * |
| * |
| * For cases where an association response was received, the IEEE |
| * standard association response frame is returned: |
| * |
| * .------------------------------------------------------------. |
| * | Header(4 * sizeof(t_u16)): Standard command response hdr | |
| * .------------------------------------------------------------. |
| * | cap_info(t_u16): IEEE Capability | |
| * .------------------------------------------------------------. |
| * | status_code(t_u16): IEEE Status Code | |
| * .------------------------------------------------------------. |
| * | a_id(t_u16): IEEE Association ID | |
| * .------------------------------------------------------------. |
| * | IEEE IEs(variable): Any received IEs comprising the | |
| * | remaining portion of a received | |
| * | association response frame. | |
| * .------------------------------------------------------------. |
| * |
| * For simplistic handling, the status_code field can be used to determine |
| * an association success (0) or failure (non-zero). |
| */ |
| int mwifiex_ret_802_11_associate(struct mwifiex_private *priv, |
| struct host_cmd_ds_command *resp) |
| { |
| struct mwifiex_adapter *adapter = priv->adapter; |
| int ret = 0; |
| struct ieee_types_assoc_rsp *assoc_rsp; |
| struct mwifiex_bssdescriptor *bss_desc; |
| u8 enable_data = true; |
| u16 cap_info, status_code; |
| |
| assoc_rsp = (struct ieee_types_assoc_rsp *) &resp->params; |
| |
| cap_info = le16_to_cpu(assoc_rsp->cap_info_bitmap); |
| status_code = le16_to_cpu(assoc_rsp->status_code); |
| |
| priv->assoc_rsp_size = min(le16_to_cpu(resp->size) - S_DS_GEN, |
| sizeof(priv->assoc_rsp_buf)); |
| |
| memcpy(priv->assoc_rsp_buf, &resp->params, priv->assoc_rsp_size); |
| |
| if (status_code) { |
| priv->adapter->dbg.num_cmd_assoc_failure++; |
| dev_err(priv->adapter->dev, |
| "ASSOC_RESP: failed, status code=%d err=%#x a_id=%#x\n", |
| status_code, cap_info, le16_to_cpu(assoc_rsp->a_id)); |
| |
| if (cap_info == MWIFIEX_TIMEOUT_FOR_AP_RESP) { |
| if (status_code == MWIFIEX_STATUS_CODE_AUTH_TIMEOUT) |
| ret = WLAN_STATUS_AUTH_TIMEOUT; |
| else |
| ret = WLAN_STATUS_UNSPECIFIED_FAILURE; |
| } else { |
| ret = status_code; |
| } |
| |
| goto done; |
| } |
| |
| /* Send a Media Connected event, according to the Spec */ |
| priv->media_connected = true; |
| |
| priv->adapter->ps_state = PS_STATE_AWAKE; |
| priv->adapter->pps_uapsd_mode = false; |
| priv->adapter->tx_lock_flag = false; |
| |
| /* Set the attempted BSSID Index to current */ |
| bss_desc = priv->attempted_bss_desc; |
| |
| dev_dbg(priv->adapter->dev, "info: ASSOC_RESP: %s\n", |
| bss_desc->ssid.ssid); |
| |
| /* Make a copy of current BSSID descriptor */ |
| memcpy(&priv->curr_bss_params.bss_descriptor, |
| bss_desc, sizeof(struct mwifiex_bssdescriptor)); |
| |
| /* Update curr_bss_params */ |
| priv->curr_bss_params.bss_descriptor.channel |
| = bss_desc->phy_param_set.ds_param_set.current_chan; |
| |
| priv->curr_bss_params.band = (u8) bss_desc->bss_band; |
| |
| if (bss_desc->wmm_ie.vend_hdr.element_id == WLAN_EID_VENDOR_SPECIFIC) |
| priv->curr_bss_params.wmm_enabled = true; |
| else |
| priv->curr_bss_params.wmm_enabled = false; |
| |
| if ((priv->wmm_required || bss_desc->bcn_ht_cap) && |
| priv->curr_bss_params.wmm_enabled) |
| priv->wmm_enabled = true; |
| else |
| priv->wmm_enabled = false; |
| |
| priv->curr_bss_params.wmm_uapsd_enabled = false; |
| |
| if (priv->wmm_enabled) |
| priv->curr_bss_params.wmm_uapsd_enabled |
| = ((bss_desc->wmm_ie.qos_info_bitmap & |
| IEEE80211_WMM_IE_AP_QOSINFO_UAPSD) ? 1 : 0); |
| |
| dev_dbg(priv->adapter->dev, "info: ASSOC_RESP: curr_pkt_filter is %#x\n", |
| priv->curr_pkt_filter); |
| if (priv->sec_info.wpa_enabled || priv->sec_info.wpa2_enabled) |
| priv->wpa_is_gtk_set = false; |
| |
| if (priv->wmm_enabled) { |
| /* Don't re-enable carrier until we get the WMM_GET_STATUS |
| event */ |
| enable_data = false; |
| } else { |
| /* Since WMM is not enabled, setup the queues with the |
| defaults */ |
| mwifiex_wmm_setup_queue_priorities(priv, NULL); |
| mwifiex_wmm_setup_ac_downgrade(priv); |
| } |
| |
| if (enable_data) |
| dev_dbg(priv->adapter->dev, |
| "info: post association, re-enabling data flow\n"); |
| |
| /* Reset SNR/NF/RSSI values */ |
| priv->data_rssi_last = 0; |
| priv->data_nf_last = 0; |
| priv->data_rssi_avg = 0; |
| priv->data_nf_avg = 0; |
| priv->bcn_rssi_last = 0; |
| priv->bcn_nf_last = 0; |
| priv->bcn_rssi_avg = 0; |
| priv->bcn_nf_avg = 0; |
| priv->rxpd_rate = 0; |
| priv->rxpd_htinfo = 0; |
| |
| mwifiex_save_curr_bcn(priv); |
| |
| priv->adapter->dbg.num_cmd_assoc_success++; |
| |
| dev_dbg(priv->adapter->dev, "info: ASSOC_RESP: associated\n"); |
| |
| /* Add the ra_list here for infra mode as there will be only 1 ra |
| always */ |
| mwifiex_ralist_add(priv, |
| priv->curr_bss_params.bss_descriptor.mac_address); |
| |
| if (!netif_carrier_ok(priv->netdev)) |
| netif_carrier_on(priv->netdev); |
| mwifiex_wake_up_net_dev_queue(priv->netdev, adapter); |
| |
| if (priv->sec_info.wpa_enabled || priv->sec_info.wpa2_enabled) |
| priv->scan_block = true; |
| |
| done: |
| /* Need to indicate IOCTL complete */ |
| if (adapter->curr_cmd->wait_q_enabled) { |
| if (ret) |
| adapter->cmd_wait_q.status = -1; |
| else |
| adapter->cmd_wait_q.status = 0; |
| } |
| |
| return ret; |
| } |
| |
| /* |
| * This function prepares command for ad-hoc start. |
| * |
| * Driver will fill up SSID, BSS mode, IBSS parameters, physical |
| * parameters, probe delay, and capability information. Firmware |
| * will fill up beacon period, basic rates and operational rates. |
| * |
| * In addition, the following TLVs are added - |
| * - Channel TLV |
| * - Vendor specific IE |
| * - WPA/WPA2 IE |
| * - HT Capabilities IE |
| * - HT Information IE |
| * |
| * Preparation also includes - |
| * - Setting command ID and proper size |
| * - Ensuring correct endian-ness |
| */ |
| int |
| mwifiex_cmd_802_11_ad_hoc_start(struct mwifiex_private *priv, |
| struct host_cmd_ds_command *cmd, |
| struct cfg80211_ssid *req_ssid) |
| { |
| int rsn_ie_len = 0; |
| struct mwifiex_adapter *adapter = priv->adapter; |
| struct host_cmd_ds_802_11_ad_hoc_start *adhoc_start = |
| &cmd->params.adhoc_start; |
| struct mwifiex_bssdescriptor *bss_desc; |
| u32 cmd_append_size = 0; |
| u32 i; |
| u16 tmp_cap; |
| struct mwifiex_ie_types_chan_list_param_set *chan_tlv; |
| u8 radio_type; |
| |
| struct mwifiex_ie_types_htcap *ht_cap; |
| struct mwifiex_ie_types_htinfo *ht_info; |
| u8 *pos = (u8 *) adhoc_start + |
| sizeof(struct host_cmd_ds_802_11_ad_hoc_start); |
| |
| if (!adapter) |
| return -1; |
| |
| cmd->command = cpu_to_le16(HostCmd_CMD_802_11_AD_HOC_START); |
| |
| bss_desc = &priv->curr_bss_params.bss_descriptor; |
| priv->attempted_bss_desc = bss_desc; |
| |
| /* |
| * Fill in the parameters for 2 data structures: |
| * 1. struct host_cmd_ds_802_11_ad_hoc_start command |
| * 2. bss_desc |
| * Driver will fill up SSID, bss_mode,IBSS param, Physical Param, |
| * probe delay, and Cap info. |
| * Firmware will fill up beacon period, Basic rates |
| * and operational rates. |
| */ |
| |
| memset(adhoc_start->ssid, 0, IEEE80211_MAX_SSID_LEN); |
| |
| memcpy(adhoc_start->ssid, req_ssid->ssid, req_ssid->ssid_len); |
| |
| dev_dbg(adapter->dev, "info: ADHOC_S_CMD: SSID = %s\n", |
| adhoc_start->ssid); |
| |
| memset(bss_desc->ssid.ssid, 0, IEEE80211_MAX_SSID_LEN); |
| memcpy(bss_desc->ssid.ssid, req_ssid->ssid, req_ssid->ssid_len); |
| |
| bss_desc->ssid.ssid_len = req_ssid->ssid_len; |
| |
| /* Set the BSS mode */ |
| adhoc_start->bss_mode = HostCmd_BSS_MODE_IBSS; |
| bss_desc->bss_mode = NL80211_IFTYPE_ADHOC; |
| adhoc_start->beacon_period = cpu_to_le16(priv->beacon_period); |
| bss_desc->beacon_period = priv->beacon_period; |
| |
| /* Set Physical param set */ |
| /* Parameter IE Id */ |
| #define DS_PARA_IE_ID 3 |
| /* Parameter IE length */ |
| #define DS_PARA_IE_LEN 1 |
| |
| adhoc_start->phy_param_set.ds_param_set.element_id = DS_PARA_IE_ID; |
| adhoc_start->phy_param_set.ds_param_set.len = DS_PARA_IE_LEN; |
| |
| if (!mwifiex_get_cfp(priv, adapter->adhoc_start_band, |
| (u16) priv->adhoc_channel, 0)) { |
| struct mwifiex_chan_freq_power *cfp; |
| cfp = mwifiex_get_cfp(priv, adapter->adhoc_start_band, |
| FIRST_VALID_CHANNEL, 0); |
| if (cfp) |
| priv->adhoc_channel = (u8) cfp->channel; |
| } |
| |
| if (!priv->adhoc_channel) { |
| dev_err(adapter->dev, "ADHOC_S_CMD: adhoc_channel cannot be 0\n"); |
| return -1; |
| } |
| |
| dev_dbg(adapter->dev, "info: ADHOC_S_CMD: creating ADHOC on channel %d\n", |
| priv->adhoc_channel); |
| |
| priv->curr_bss_params.bss_descriptor.channel = priv->adhoc_channel; |
| priv->curr_bss_params.band = adapter->adhoc_start_band; |
| |
| bss_desc->channel = priv->adhoc_channel; |
| adhoc_start->phy_param_set.ds_param_set.current_chan = |
| priv->adhoc_channel; |
| |
| memcpy(&bss_desc->phy_param_set, &adhoc_start->phy_param_set, |
| sizeof(union ieee_types_phy_param_set)); |
| |
| /* Set IBSS param set */ |
| /* IBSS parameter IE Id */ |
| #define IBSS_PARA_IE_ID 6 |
| /* IBSS parameter IE length */ |
| #define IBSS_PARA_IE_LEN 2 |
| |
| adhoc_start->ss_param_set.ibss_param_set.element_id = IBSS_PARA_IE_ID; |
| adhoc_start->ss_param_set.ibss_param_set.len = IBSS_PARA_IE_LEN; |
| adhoc_start->ss_param_set.ibss_param_set.atim_window |
| = cpu_to_le16(priv->atim_window); |
| memcpy(&bss_desc->ss_param_set, &adhoc_start->ss_param_set, |
| sizeof(union ieee_types_ss_param_set)); |
| |
| /* Set Capability info */ |
| bss_desc->cap_info_bitmap |= WLAN_CAPABILITY_IBSS; |
| tmp_cap = le16_to_cpu(adhoc_start->cap_info_bitmap); |
| tmp_cap &= ~WLAN_CAPABILITY_ESS; |
| tmp_cap |= WLAN_CAPABILITY_IBSS; |
| |
| /* Set up privacy in bss_desc */ |
| if (priv->sec_info.encryption_mode) { |
| /* Ad-Hoc capability privacy on */ |
| dev_dbg(adapter->dev, |
| "info: ADHOC_S_CMD: wep_status set privacy to WEP\n"); |
| bss_desc->privacy = MWIFIEX_802_11_PRIV_FILTER_8021X_WEP; |
| tmp_cap |= WLAN_CAPABILITY_PRIVACY; |
| } else { |
| dev_dbg(adapter->dev, "info: ADHOC_S_CMD: wep_status NOT set," |
| " setting privacy to ACCEPT ALL\n"); |
| bss_desc->privacy = MWIFIEX_802_11_PRIV_FILTER_ACCEPT_ALL; |
| } |
| |
| memset(adhoc_start->data_rate, 0, sizeof(adhoc_start->data_rate)); |
| mwifiex_get_active_data_rates(priv, adhoc_start->data_rate); |
| if ((adapter->adhoc_start_band & BAND_G) && |
| (priv->curr_pkt_filter & HostCmd_ACT_MAC_ADHOC_G_PROTECTION_ON)) { |
| if (mwifiex_send_cmd_async(priv, HostCmd_CMD_MAC_CONTROL, |
| HostCmd_ACT_GEN_SET, 0, |
| &priv->curr_pkt_filter)) { |
| dev_err(adapter->dev, |
| "ADHOC_S_CMD: G Protection config failed\n"); |
| return -1; |
| } |
| } |
| /* Find the last non zero */ |
| for (i = 0; i < sizeof(adhoc_start->data_rate); i++) |
| if (!adhoc_start->data_rate[i]) |
| break; |
| |
| priv->curr_bss_params.num_of_rates = i; |
| |
| /* Copy the ad-hoc creating rates into Current BSS rate structure */ |
| memcpy(&priv->curr_bss_params.data_rates, |
| &adhoc_start->data_rate, priv->curr_bss_params.num_of_rates); |
| |
| dev_dbg(adapter->dev, "info: ADHOC_S_CMD: rates=%4ph\n", |
| adhoc_start->data_rate); |
| |
| dev_dbg(adapter->dev, "info: ADHOC_S_CMD: AD-HOC Start command is ready\n"); |
| |
| if (IS_SUPPORT_MULTI_BANDS(adapter)) { |
| /* Append a channel TLV */ |
| 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 = |
| (u8) priv->curr_bss_params.bss_descriptor.channel; |
| |
| dev_dbg(adapter->dev, "info: ADHOC_S_CMD: 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(priv->curr_bss_params.band); |
| if (adapter->adhoc_start_band & BAND_GN || |
| adapter->adhoc_start_band & BAND_AN) { |
| if (adapter->sec_chan_offset == |
| IEEE80211_HT_PARAM_CHA_SEC_ABOVE) |
| chan_tlv->chan_scan_param[0].radio_type |= |
| (IEEE80211_HT_PARAM_CHA_SEC_ABOVE << 4); |
| else if (adapter->sec_chan_offset == |
| IEEE80211_HT_PARAM_CHA_SEC_ABOVE) |
| chan_tlv->chan_scan_param[0].radio_type |= |
| (IEEE80211_HT_PARAM_CHA_SEC_BELOW << 4); |
| } |
| dev_dbg(adapter->dev, "info: ADHOC_S_CMD: TLV Band = %d\n", |
| chan_tlv->chan_scan_param[0].radio_type); |
| pos += sizeof(chan_tlv->header) + |
| sizeof(struct mwifiex_chan_scan_param_set); |
| cmd_append_size += |
| sizeof(chan_tlv->header) + |
| sizeof(struct mwifiex_chan_scan_param_set); |
| } |
| |
| /* Append vendor specific IE TLV */ |
| cmd_append_size += mwifiex_cmd_append_vsie_tlv(priv, |
| MWIFIEX_VSIE_MASK_ADHOC, &pos); |
| |
| if (priv->sec_info.wpa_enabled) { |
| rsn_ie_len = mwifiex_append_rsn_ie_wpa_wpa2(priv, &pos); |
| if (rsn_ie_len == -1) |
| return -1; |
| cmd_append_size += rsn_ie_len; |
| } |
| |
| if (adapter->adhoc_11n_enabled) { |
| /* Fill HT CAPABILITY */ |
| ht_cap = (struct mwifiex_ie_types_htcap *) pos; |
| memset(ht_cap, 0, sizeof(struct mwifiex_ie_types_htcap)); |
| ht_cap->header.type = cpu_to_le16(WLAN_EID_HT_CAPABILITY); |
| ht_cap->header.len = |
| cpu_to_le16(sizeof(struct ieee80211_ht_cap)); |
| radio_type = mwifiex_band_to_radio_type( |
| priv->adapter->config_bands); |
| mwifiex_fill_cap_info(priv, radio_type, ht_cap); |
| |
| if (adapter->sec_chan_offset == |
| IEEE80211_HT_PARAM_CHA_SEC_NONE) { |
| u16 tmp_ht_cap; |
| |
| tmp_ht_cap = le16_to_cpu(ht_cap->ht_cap.cap_info); |
| tmp_ht_cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40; |
| tmp_ht_cap &= ~IEEE80211_HT_CAP_SGI_40; |
| ht_cap->ht_cap.cap_info = cpu_to_le16(tmp_ht_cap); |
| } |
| |
| pos += sizeof(struct mwifiex_ie_types_htcap); |
| cmd_append_size += sizeof(struct mwifiex_ie_types_htcap); |
| |
| /* Fill HT INFORMATION */ |
| ht_info = (struct mwifiex_ie_types_htinfo *) pos; |
| memset(ht_info, 0, sizeof(struct mwifiex_ie_types_htinfo)); |
| ht_info->header.type = cpu_to_le16(WLAN_EID_HT_OPERATION); |
| ht_info->header.len = |
| cpu_to_le16(sizeof(struct ieee80211_ht_operation)); |
| |
| ht_info->ht_oper.primary_chan = |
| (u8) priv->curr_bss_params.bss_descriptor.channel; |
| if (adapter->sec_chan_offset) { |
| ht_info->ht_oper.ht_param = adapter->sec_chan_offset; |
| ht_info->ht_oper.ht_param |= |
| IEEE80211_HT_PARAM_CHAN_WIDTH_ANY; |
| } |
| ht_info->ht_oper.operation_mode = |
| cpu_to_le16(IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT); |
| ht_info->ht_oper.basic_set[0] = 0xff; |
| pos += sizeof(struct mwifiex_ie_types_htinfo); |
| cmd_append_size += |
| sizeof(struct mwifiex_ie_types_htinfo); |
| } |
| |
| cmd->size = |
| cpu_to_le16((u16)(sizeof(struct host_cmd_ds_802_11_ad_hoc_start) |
| + S_DS_GEN + cmd_append_size)); |
| |
| if (adapter->adhoc_start_band == BAND_B) |
| tmp_cap &= ~WLAN_CAPABILITY_SHORT_SLOT_TIME; |
| else |
| tmp_cap |= WLAN_CAPABILITY_SHORT_SLOT_TIME; |
| |
| adhoc_start->cap_info_bitmap = cpu_to_le16(tmp_cap); |
| |
| return 0; |
| } |
| |
| /* |
| * This function prepares command for ad-hoc join. |
| * |
| * Most of the parameters are set up by copying from the target BSS descriptor |
| * from the scan response. |
| * |
| * In addition, the following TLVs are added - |
| * - Channel TLV |
| * - Vendor specific IE |
| * - WPA/WPA2 IE |
| * - 11n IE |
| * |
| * Preparation also includes - |
| * - Setting command ID and proper size |
| * - Ensuring correct endian-ness |
| */ |
| int |
| mwifiex_cmd_802_11_ad_hoc_join(struct mwifiex_private *priv, |
| struct host_cmd_ds_command *cmd, |
| struct mwifiex_bssdescriptor *bss_desc) |
| { |
| int rsn_ie_len = 0; |
| struct host_cmd_ds_802_11_ad_hoc_join *adhoc_join = |
| &cmd->params.adhoc_join; |
| struct mwifiex_ie_types_chan_list_param_set *chan_tlv; |
| u32 cmd_append_size = 0; |
| u16 tmp_cap; |
| u32 i, rates_size = 0; |
| u16 curr_pkt_filter; |
| u8 *pos = |
| (u8 *) adhoc_join + |
| sizeof(struct host_cmd_ds_802_11_ad_hoc_join); |
| |
| /* Use G protection */ |
| #define USE_G_PROTECTION 0x02 |
| if (bss_desc->erp_flags & USE_G_PROTECTION) { |
| curr_pkt_filter = |
| priv-> |
| curr_pkt_filter | HostCmd_ACT_MAC_ADHOC_G_PROTECTION_ON; |
| |
| if (mwifiex_send_cmd_async(priv, HostCmd_CMD_MAC_CONTROL, |
| HostCmd_ACT_GEN_SET, 0, |
| &curr_pkt_filter)) { |
| dev_err(priv->adapter->dev, |
| "ADHOC_J_CMD: G Protection config failed\n"); |
| return -1; |
| } |
| } |
| |
| priv->attempted_bss_desc = bss_desc; |
| |
| cmd->command = cpu_to_le16(HostCmd_CMD_802_11_AD_HOC_JOIN); |
| |
| adhoc_join->bss_descriptor.bss_mode = HostCmd_BSS_MODE_IBSS; |
| |
| adhoc_join->bss_descriptor.beacon_period |
| = cpu_to_le16(bss_desc->beacon_period); |
| |
| memcpy(&adhoc_join->bss_descriptor.bssid, |
| &bss_desc->mac_address, ETH_ALEN); |
| |
| memcpy(&adhoc_join->bss_descriptor.ssid, |
| &bss_desc->ssid.ssid, bss_desc->ssid.ssid_len); |
| |
| memcpy(&adhoc_join->bss_descriptor.phy_param_set, |
| &bss_desc->phy_param_set, |
| sizeof(union ieee_types_phy_param_set)); |
| |
| memcpy(&adhoc_join->bss_descriptor.ss_param_set, |
| &bss_desc->ss_param_set, sizeof(union ieee_types_ss_param_set)); |
| |
| tmp_cap = bss_desc->cap_info_bitmap; |
| |
| tmp_cap &= CAPINFO_MASK; |
| |
| dev_dbg(priv->adapter->dev, |
| "info: ADHOC_J_CMD: tmp_cap=%4X CAPINFO_MASK=%4lX\n", |
| tmp_cap, CAPINFO_MASK); |
| |
| /* Information on BSSID descriptor passed to FW */ |
| dev_dbg(priv->adapter->dev, "info: ADHOC_J_CMD: BSSID=%pM, SSID='%s'\n", |
| adhoc_join->bss_descriptor.bssid, |
| adhoc_join->bss_descriptor.ssid); |
| |
| for (i = 0; i < MWIFIEX_SUPPORTED_RATES && |
| bss_desc->supported_rates[i]; i++) |
| ; |
| rates_size = i; |
| |
| /* Copy Data Rates from the Rates recorded in scan response */ |
| memset(adhoc_join->bss_descriptor.data_rates, 0, |
| sizeof(adhoc_join->bss_descriptor.data_rates)); |
| memcpy(adhoc_join->bss_descriptor.data_rates, |
| bss_desc->supported_rates, rates_size); |
| |
| /* Copy the adhoc join rates into Current BSS state structure */ |
| priv->curr_bss_params.num_of_rates = rates_size; |
| memcpy(&priv->curr_bss_params.data_rates, bss_desc->supported_rates, |
| rates_size); |
| |
| /* Copy the channel information */ |
| priv->curr_bss_params.bss_descriptor.channel = bss_desc->channel; |
| priv->curr_bss_params.band = (u8) bss_desc->bss_band; |
| |
| if (priv->sec_info.wep_enabled || priv->sec_info.wpa_enabled) |
| tmp_cap |= WLAN_CAPABILITY_PRIVACY; |
| |
| if (IS_SUPPORT_MULTI_BANDS(priv->adapter)) { |
| /* Append a channel TLV */ |
| 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: ADHOC_J_CMD: 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: ADHOC_J_CMD: TLV Band=%d\n", |
| chan_tlv->chan_scan_param[0].radio_type); |
| pos += sizeof(chan_tlv->header) + |
| sizeof(struct mwifiex_chan_scan_param_set); |
| cmd_append_size += sizeof(chan_tlv->header) + |
| sizeof(struct mwifiex_chan_scan_param_set); |
| } |
| |
| if (priv->sec_info.wpa_enabled) |
| rsn_ie_len = mwifiex_append_rsn_ie_wpa_wpa2(priv, &pos); |
| if (rsn_ie_len == -1) |
| return -1; |
| cmd_append_size += rsn_ie_len; |
| |
| if (ISSUPP_11NENABLED(priv->adapter->fw_cap_info)) |
| cmd_append_size += mwifiex_cmd_append_11n_tlv(priv, |
| bss_desc, &pos); |
| |
| /* Append vendor specific IE TLV */ |
| cmd_append_size += mwifiex_cmd_append_vsie_tlv(priv, |
| MWIFIEX_VSIE_MASK_ADHOC, &pos); |
| |
| cmd->size = cpu_to_le16 |
| ((u16) (sizeof(struct host_cmd_ds_802_11_ad_hoc_join) |
| + S_DS_GEN + cmd_append_size)); |
| |
| adhoc_join->bss_descriptor.cap_info_bitmap = cpu_to_le16(tmp_cap); |
| |
| return 0; |
| } |
| |
| /* |
| * This function handles the command response of ad-hoc start and |
| * ad-hoc join. |
| * |
| * The function generates a device-connected event to notify |
| * the applications, in case of successful ad-hoc start/join, and |
| * saves the beacon buffer. |
| */ |
| int mwifiex_ret_802_11_ad_hoc(struct mwifiex_private *priv, |
| struct host_cmd_ds_command *resp) |
| { |
| int ret = 0; |
| struct mwifiex_adapter *adapter = priv->adapter; |
| struct host_cmd_ds_802_11_ad_hoc_result *adhoc_result; |
| struct mwifiex_bssdescriptor *bss_desc; |
| u16 reason_code; |
| |
| adhoc_result = &resp->params.adhoc_result; |
| |
| bss_desc = priv->attempted_bss_desc; |
| |
| /* Join result code 0 --> SUCCESS */ |
| reason_code = le16_to_cpu(resp->result); |
| if (reason_code) { |
| dev_err(priv->adapter->dev, "ADHOC_RESP: failed\n"); |
| if (priv->media_connected) |
| mwifiex_reset_connect_state(priv, reason_code); |
| |
| memset(&priv->curr_bss_params.bss_descriptor, |
| 0x00, sizeof(struct mwifiex_bssdescriptor)); |
| |
| ret = -1; |
| goto done; |
| } |
| |
| /* Send a Media Connected event, according to the Spec */ |
| priv->media_connected = true; |
| |
| if (le16_to_cpu(resp->command) == HostCmd_CMD_802_11_AD_HOC_START) { |
| dev_dbg(priv->adapter->dev, "info: ADHOC_S_RESP %s\n", |
| bss_desc->ssid.ssid); |
| |
| /* Update the created network descriptor with the new BSSID */ |
| memcpy(bss_desc->mac_address, |
| adhoc_result->bssid, ETH_ALEN); |
| |
| priv->adhoc_state = ADHOC_STARTED; |
| } else { |
| /* |
| * Now the join cmd should be successful. |
| * If BSSID has changed use SSID to compare instead of BSSID |
| */ |
| dev_dbg(priv->adapter->dev, "info: ADHOC_J_RESP %s\n", |
| bss_desc->ssid.ssid); |
| |
| /* |
| * Make a copy of current BSSID descriptor, only needed for |
| * join since the current descriptor is already being used |
| * for adhoc start |
| */ |
| memcpy(&priv->curr_bss_params.bss_descriptor, |
| bss_desc, sizeof(struct mwifiex_bssdescriptor)); |
| |
| priv->adhoc_state = ADHOC_JOINED; |
| } |
| |
| dev_dbg(priv->adapter->dev, "info: ADHOC_RESP: channel = %d\n", |
| priv->adhoc_channel); |
| dev_dbg(priv->adapter->dev, "info: ADHOC_RESP: BSSID = %pM\n", |
| priv->curr_bss_params.bss_descriptor.mac_address); |
| |
| if (!netif_carrier_ok(priv->netdev)) |
| netif_carrier_on(priv->netdev); |
| mwifiex_wake_up_net_dev_queue(priv->netdev, adapter); |
| |
| mwifiex_save_curr_bcn(priv); |
| |
| done: |
| /* Need to indicate IOCTL complete */ |
| if (adapter->curr_cmd->wait_q_enabled) { |
| if (ret) |
| adapter->cmd_wait_q.status = -1; |
| else |
| adapter->cmd_wait_q.status = 0; |
| |
| } |
| |
| return ret; |
| } |
| |
| /* |
| * This function associates to a specific BSS discovered in a scan. |
| * |
| * It clears any past association response stored for application |
| * retrieval and calls the command preparation routine to send the |
| * command to firmware. |
| */ |
| int mwifiex_associate(struct mwifiex_private *priv, |
| struct mwifiex_bssdescriptor *bss_desc) |
| { |
| u8 current_bssid[ETH_ALEN]; |
| |
| /* Return error if the adapter is not STA role or table entry |
| * is not marked as infra. |
| */ |
| if ((GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_STA) || |
| (bss_desc->bss_mode != NL80211_IFTYPE_STATION)) |
| return -1; |
| |
| if (ISSUPP_11ACENABLED(priv->adapter->fw_cap_info) && |
| !bss_desc->disable_11n && !bss_desc->disable_11ac && |
| (priv->adapter->config_bands & BAND_GAC || |
| priv->adapter->config_bands & BAND_AAC)) |
| mwifiex_set_11ac_ba_params(priv); |
| else |
| mwifiex_set_ba_params(priv); |
| |
| memcpy(¤t_bssid, |
| &priv->curr_bss_params.bss_descriptor.mac_address, |
| sizeof(current_bssid)); |
| |
| /* Clear any past association response stored for application |
| retrieval */ |
| priv->assoc_rsp_size = 0; |
| |
| return mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_ASSOCIATE, |
| HostCmd_ACT_GEN_SET, 0, bss_desc); |
| } |
| |
| /* |
| * This function starts an ad-hoc network. |
| * |
| * It calls the command preparation routine to send the command to firmware. |
| */ |
| int |
| mwifiex_adhoc_start(struct mwifiex_private *priv, |
| struct cfg80211_ssid *adhoc_ssid) |
| { |
| dev_dbg(priv->adapter->dev, "info: Adhoc Channel = %d\n", |
| priv->adhoc_channel); |
| dev_dbg(priv->adapter->dev, "info: curr_bss_params.channel = %d\n", |
| priv->curr_bss_params.bss_descriptor.channel); |
| dev_dbg(priv->adapter->dev, "info: curr_bss_params.band = %d\n", |
| priv->curr_bss_params.band); |
| |
| if (ISSUPP_11ACENABLED(priv->adapter->fw_cap_info) && |
| (priv->adapter->config_bands & BAND_GAC || |
| priv->adapter->config_bands & BAND_AAC)) |
| mwifiex_set_11ac_ba_params(priv); |
| else |
| mwifiex_set_ba_params(priv); |
| |
| return mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_AD_HOC_START, |
| HostCmd_ACT_GEN_SET, 0, adhoc_ssid); |
| } |
| |
| /* |
| * This function joins an ad-hoc network found in a previous scan. |
| * |
| * It calls the command preparation routine to send the command to firmware, |
| * if already not connected to the requested SSID. |
| */ |
| int mwifiex_adhoc_join(struct mwifiex_private *priv, |
| struct mwifiex_bssdescriptor *bss_desc) |
| { |
| dev_dbg(priv->adapter->dev, "info: adhoc join: curr_bss ssid =%s\n", |
| priv->curr_bss_params.bss_descriptor.ssid.ssid); |
| dev_dbg(priv->adapter->dev, "info: adhoc join: curr_bss ssid_len =%u\n", |
| priv->curr_bss_params.bss_descriptor.ssid.ssid_len); |
| dev_dbg(priv->adapter->dev, "info: adhoc join: ssid =%s\n", |
| bss_desc->ssid.ssid); |
| dev_dbg(priv->adapter->dev, "info: adhoc join: ssid_len =%u\n", |
| bss_desc->ssid.ssid_len); |
| |
| /* Check if the requested SSID is already joined */ |
| if (priv->curr_bss_params.bss_descriptor.ssid.ssid_len && |
| !mwifiex_ssid_cmp(&bss_desc->ssid, |
| &priv->curr_bss_params.bss_descriptor.ssid) && |
| (priv->curr_bss_params.bss_descriptor.bss_mode == |
| NL80211_IFTYPE_ADHOC)) { |
| dev_dbg(priv->adapter->dev, "info: ADHOC_J_CMD: new ad-hoc SSID" |
| " is the same as current; not attempting to re-join\n"); |
| return -1; |
| } |
| |
| if (ISSUPP_11ACENABLED(priv->adapter->fw_cap_info) && |
| !bss_desc->disable_11n && !bss_desc->disable_11ac && |
| (priv->adapter->config_bands & BAND_GAC || |
| priv->adapter->config_bands & BAND_AAC)) |
| mwifiex_set_11ac_ba_params(priv); |
| else |
| mwifiex_set_ba_params(priv); |
| |
| dev_dbg(priv->adapter->dev, "info: curr_bss_params.channel = %d\n", |
| priv->curr_bss_params.bss_descriptor.channel); |
| dev_dbg(priv->adapter->dev, "info: curr_bss_params.band = %c\n", |
| priv->curr_bss_params.band); |
| |
| return mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_AD_HOC_JOIN, |
| HostCmd_ACT_GEN_SET, 0, bss_desc); |
| } |
| |
| /* |
| * This function deauthenticates/disconnects from infra network by sending |
| * deauthentication request. |
| */ |
| static int mwifiex_deauthenticate_infra(struct mwifiex_private *priv, u8 *mac) |
| { |
| u8 mac_address[ETH_ALEN]; |
| int ret; |
| |
| if (!mac || is_zero_ether_addr(mac)) |
| memcpy(mac_address, |
| priv->curr_bss_params.bss_descriptor.mac_address, |
| ETH_ALEN); |
| else |
| memcpy(mac_address, mac, ETH_ALEN); |
| |
| ret = mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_DEAUTHENTICATE, |
| HostCmd_ACT_GEN_SET, 0, mac_address); |
| |
| return ret; |
| } |
| |
| /* |
| * This function deauthenticates/disconnects from a BSS. |
| * |
| * In case of infra made, it sends deauthentication request, and |
| * in case of ad-hoc mode, a stop network request is sent to the firmware. |
| * In AP mode, a command to stop bss is sent to firmware. |
| */ |
| int mwifiex_deauthenticate(struct mwifiex_private *priv, u8 *mac) |
| { |
| if (!priv->media_connected) |
| return 0; |
| |
| switch (priv->bss_mode) { |
| case NL80211_IFTYPE_STATION: |
| case NL80211_IFTYPE_P2P_CLIENT: |
| return mwifiex_deauthenticate_infra(priv, mac); |
| case NL80211_IFTYPE_ADHOC: |
| return mwifiex_send_cmd_sync(priv, |
| HostCmd_CMD_802_11_AD_HOC_STOP, |
| HostCmd_ACT_GEN_SET, 0, NULL); |
| case NL80211_IFTYPE_AP: |
| return mwifiex_send_cmd_sync(priv, HostCmd_CMD_UAP_BSS_STOP, |
| HostCmd_ACT_GEN_SET, 0, NULL); |
| default: |
| break; |
| } |
| |
| return 0; |
| } |
| EXPORT_SYMBOL_GPL(mwifiex_deauthenticate); |
| |
| /* |
| * This function converts band to radio type used in channel TLV. |
| */ |
| u8 |
| mwifiex_band_to_radio_type(u8 band) |
| { |
| switch (band) { |
| case BAND_A: |
| case BAND_AN: |
| case BAND_A | BAND_AN: |
| case BAND_A | BAND_AN | BAND_AAC: |
| return HostCmd_SCAN_RADIO_TYPE_A; |
| case BAND_B: |
| case BAND_G: |
| case BAND_B | BAND_G: |
| default: |
| return HostCmd_SCAN_RADIO_TYPE_BG; |
| } |
| } |