1384 lines
44 KiB
C
1384 lines
44 KiB
C
/*
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* Marvell Wireless LAN device driver: association and ad-hoc start/join
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*
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* Copyright (C) 2011, Marvell International Ltd.
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*
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* This software file (the "File") is distributed by Marvell International
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* Ltd. under the terms of the GNU General Public License Version 2, June 1991
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* (the "License"). You may use, redistribute and/or modify this File in
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* accordance with the terms and conditions of the License, a copy of which
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* is available by writing to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the
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* worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
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*
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* THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE
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* ARE EXPRESSLY DISCLAIMED. The License provides additional details about
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* this warranty disclaimer.
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*/
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#include "decl.h"
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#include "ioctl.h"
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#include "util.h"
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#include "fw.h"
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#include "main.h"
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#include "wmm.h"
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#include "11n.h"
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#define CAPINFO_MASK (~(BIT(15) | BIT(14) | BIT(12) | BIT(11) | BIT(9)))
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/*
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* Append a generic IE as a pass through TLV to a TLV buffer.
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*
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* This function is called from the network join command preparation routine.
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*
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* If the IE buffer has been setup by the application, this routine appends
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* the buffer as a pass through TLV type to the request.
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*/
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static int
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mwifiex_cmd_append_generic_ie(struct mwifiex_private *priv, u8 **buffer)
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{
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int ret_len = 0;
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struct mwifiex_ie_types_header ie_header;
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/* Null Checks */
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if (!buffer)
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return 0;
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if (!(*buffer))
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return 0;
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/*
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* If there is a generic ie buffer setup, append it to the return
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* parameter buffer pointer.
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*/
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if (priv->gen_ie_buf_len) {
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dev_dbg(priv->adapter->dev, "info: %s: append generic %d to %p\n",
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__func__, priv->gen_ie_buf_len, *buffer);
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/* Wrap the generic IE buffer with a pass through TLV type */
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ie_header.type = cpu_to_le16(TLV_TYPE_PASSTHROUGH);
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ie_header.len = cpu_to_le16(priv->gen_ie_buf_len);
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memcpy(*buffer, &ie_header, sizeof(ie_header));
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/* Increment the return size and the return buffer pointer
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param */
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*buffer += sizeof(ie_header);
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ret_len += sizeof(ie_header);
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/* Copy the generic IE buffer to the output buffer, advance
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pointer */
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memcpy(*buffer, priv->gen_ie_buf, priv->gen_ie_buf_len);
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/* Increment the return size and the return buffer pointer
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param */
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*buffer += priv->gen_ie_buf_len;
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ret_len += priv->gen_ie_buf_len;
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/* Reset the generic IE buffer */
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priv->gen_ie_buf_len = 0;
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}
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/* return the length appended to the buffer */
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return ret_len;
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}
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/*
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* Append TSF tracking info from the scan table for the target AP.
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*
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* This function is called from the network join command preparation routine.
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*
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* The TSF table TSF sent to the firmware contains two TSF values:
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* - The TSF of the target AP from its previous beacon/probe response
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* - The TSF timestamp of our local MAC at the time we observed the
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* beacon/probe response.
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*
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* The firmware uses the timestamp values to set an initial TSF value
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* in the MAC for the new association after a reassociation attempt.
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*/
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static int
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mwifiex_cmd_append_tsf_tlv(struct mwifiex_private *priv, u8 **buffer,
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struct mwifiex_bssdescriptor *bss_desc)
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{
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struct mwifiex_ie_types_tsf_timestamp tsf_tlv;
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__le64 tsf_val;
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/* Null Checks */
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if (buffer == NULL)
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return 0;
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if (*buffer == NULL)
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return 0;
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memset(&tsf_tlv, 0x00, sizeof(struct mwifiex_ie_types_tsf_timestamp));
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tsf_tlv.header.type = cpu_to_le16(TLV_TYPE_TSFTIMESTAMP);
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tsf_tlv.header.len = cpu_to_le16(2 * sizeof(tsf_val));
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memcpy(*buffer, &tsf_tlv, sizeof(tsf_tlv.header));
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*buffer += sizeof(tsf_tlv.header);
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/* TSF at the time when beacon/probe_response was received */
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tsf_val = cpu_to_le64(bss_desc->network_tsf);
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memcpy(*buffer, &tsf_val, sizeof(tsf_val));
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*buffer += sizeof(tsf_val);
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memcpy(&tsf_val, bss_desc->time_stamp, sizeof(tsf_val));
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dev_dbg(priv->adapter->dev, "info: %s: TSF offset calc: %016llx - "
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"%016llx\n", __func__, tsf_val, bss_desc->network_tsf);
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memcpy(*buffer, &tsf_val, sizeof(tsf_val));
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*buffer += sizeof(tsf_val);
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return sizeof(tsf_tlv.header) + (2 * sizeof(tsf_val));
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}
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/*
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* This function finds out the common rates between rate1 and rate2.
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*
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* It will fill common rates in rate1 as output if found.
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*
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* NOTE: Setting the MSB of the basic rates needs to be taken
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* care of, either before or after calling this function.
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*/
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static int mwifiex_get_common_rates(struct mwifiex_private *priv, u8 *rate1,
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u32 rate1_size, u8 *rate2, u32 rate2_size)
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{
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int ret;
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u8 *ptr = rate1, *tmp;
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u32 i, j;
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tmp = kmemdup(rate1, rate1_size, GFP_KERNEL);
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if (!tmp) {
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dev_err(priv->adapter->dev, "failed to alloc tmp buf\n");
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return -ENOMEM;
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}
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memset(rate1, 0, rate1_size);
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for (i = 0; rate2[i] && i < rate2_size; i++) {
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for (j = 0; tmp[j] && j < rate1_size; j++) {
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/* Check common rate, excluding the bit for
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basic rate */
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if ((rate2[i] & 0x7F) == (tmp[j] & 0x7F)) {
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*rate1++ = tmp[j];
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break;
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}
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}
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}
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dev_dbg(priv->adapter->dev, "info: Tx data rate set to %#x\n",
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priv->data_rate);
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if (!priv->is_data_rate_auto) {
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while (*ptr) {
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if ((*ptr & 0x7f) == priv->data_rate) {
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ret = 0;
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goto done;
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}
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ptr++;
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}
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dev_err(priv->adapter->dev, "previously set fixed data rate %#x"
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" is not compatible with the network\n",
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priv->data_rate);
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ret = -1;
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goto done;
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}
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ret = 0;
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done:
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kfree(tmp);
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return ret;
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}
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/*
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* This function creates the intersection of the rates supported by a
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* target BSS and our adapter settings for use in an assoc/join command.
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*/
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static int
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mwifiex_setup_rates_from_bssdesc(struct mwifiex_private *priv,
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struct mwifiex_bssdescriptor *bss_desc,
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u8 *out_rates, u32 *out_rates_size)
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{
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u8 card_rates[MWIFIEX_SUPPORTED_RATES];
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u32 card_rates_size;
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/* Copy AP supported rates */
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memcpy(out_rates, bss_desc->supported_rates, MWIFIEX_SUPPORTED_RATES);
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/* Get the STA supported rates */
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card_rates_size = mwifiex_get_active_data_rates(priv, card_rates);
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/* Get the common rates between AP and STA supported rates */
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if (mwifiex_get_common_rates(priv, out_rates, MWIFIEX_SUPPORTED_RATES,
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card_rates, card_rates_size)) {
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*out_rates_size = 0;
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dev_err(priv->adapter->dev, "%s: cannot get common rates\n",
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__func__);
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return -1;
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}
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*out_rates_size =
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min_t(size_t, strlen(out_rates), MWIFIEX_SUPPORTED_RATES);
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return 0;
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}
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/*
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* This function appends a WAPI IE.
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*
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* This function is called from the network join command preparation routine.
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*
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* If the IE buffer has been setup by the application, this routine appends
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* the buffer as a WAPI TLV type to the request.
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*/
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static int
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mwifiex_cmd_append_wapi_ie(struct mwifiex_private *priv, u8 **buffer)
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{
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int retLen = 0;
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struct mwifiex_ie_types_header ie_header;
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/* Null Checks */
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if (buffer == NULL)
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return 0;
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if (*buffer == NULL)
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return 0;
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/*
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* If there is a wapi ie buffer setup, append it to the return
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* parameter buffer pointer.
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*/
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if (priv->wapi_ie_len) {
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dev_dbg(priv->adapter->dev, "cmd: append wapi ie %d to %p\n",
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priv->wapi_ie_len, *buffer);
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/* Wrap the generic IE buffer with a pass through TLV type */
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ie_header.type = cpu_to_le16(TLV_TYPE_WAPI_IE);
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ie_header.len = cpu_to_le16(priv->wapi_ie_len);
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memcpy(*buffer, &ie_header, sizeof(ie_header));
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/* Increment the return size and the return buffer pointer
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param */
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*buffer += sizeof(ie_header);
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retLen += sizeof(ie_header);
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/* Copy the wapi IE buffer to the output buffer, advance
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pointer */
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memcpy(*buffer, priv->wapi_ie, priv->wapi_ie_len);
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/* Increment the return size and the return buffer pointer
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param */
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*buffer += priv->wapi_ie_len;
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retLen += priv->wapi_ie_len;
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}
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/* return the length appended to the buffer */
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return retLen;
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}
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/*
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* This function appends rsn ie tlv for wpa/wpa2 security modes.
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* It is called from the network join command preparation routine.
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*/
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static int mwifiex_append_rsn_ie_wpa_wpa2(struct mwifiex_private *priv,
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u8 **buffer)
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{
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struct mwifiex_ie_types_rsn_param_set *rsn_ie_tlv;
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int rsn_ie_len;
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if (!buffer || !(*buffer))
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return 0;
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rsn_ie_tlv = (struct mwifiex_ie_types_rsn_param_set *) (*buffer);
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rsn_ie_tlv->header.type = cpu_to_le16((u16) priv->wpa_ie[0]);
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rsn_ie_tlv->header.type = cpu_to_le16(
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le16_to_cpu(rsn_ie_tlv->header.type) & 0x00FF);
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rsn_ie_tlv->header.len = cpu_to_le16((u16) priv->wpa_ie[1]);
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rsn_ie_tlv->header.len = cpu_to_le16(le16_to_cpu(rsn_ie_tlv->header.len)
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& 0x00FF);
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if (le16_to_cpu(rsn_ie_tlv->header.len) <= (sizeof(priv->wpa_ie) - 2))
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memcpy(rsn_ie_tlv->rsn_ie, &priv->wpa_ie[2],
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le16_to_cpu(rsn_ie_tlv->header.len));
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else
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return -1;
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rsn_ie_len = sizeof(rsn_ie_tlv->header) +
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le16_to_cpu(rsn_ie_tlv->header.len);
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*buffer += rsn_ie_len;
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return rsn_ie_len;
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}
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/*
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* This function prepares command for association.
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*
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* This sets the following parameters -
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* - Peer MAC address
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* - Listen interval
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* - Beacon interval
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* - Capability information
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*
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* ...and the following TLVs, as required -
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* - SSID TLV
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* - PHY TLV
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* - SS TLV
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* - Rates TLV
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* - Authentication TLV
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* - Channel TLV
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* - WPA/WPA2 IE
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* - 11n TLV
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* - Vendor specific TLV
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* - WMM TLV
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* - WAPI IE
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* - Generic IE
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* - TSF TLV
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*
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* Preparation also includes -
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* - Setting command ID and proper size
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* - Ensuring correct endian-ness
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*/
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int mwifiex_cmd_802_11_associate(struct mwifiex_private *priv,
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struct host_cmd_ds_command *cmd,
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struct mwifiex_bssdescriptor *bss_desc)
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{
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struct host_cmd_ds_802_11_associate *assoc = &cmd->params.associate;
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struct mwifiex_ie_types_ssid_param_set *ssid_tlv;
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struct mwifiex_ie_types_phy_param_set *phy_tlv;
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struct mwifiex_ie_types_ss_param_set *ss_tlv;
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struct mwifiex_ie_types_rates_param_set *rates_tlv;
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struct mwifiex_ie_types_auth_type *auth_tlv;
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struct mwifiex_ie_types_chan_list_param_set *chan_tlv;
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u8 rates[MWIFIEX_SUPPORTED_RATES];
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u32 rates_size;
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u16 tmp_cap;
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u8 *pos;
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int rsn_ie_len = 0;
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pos = (u8 *) assoc;
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mwifiex_cfg_tx_buf(priv, bss_desc);
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cmd->command = cpu_to_le16(HostCmd_CMD_802_11_ASSOCIATE);
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/* Save so we know which BSS Desc to use in the response handler */
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priv->attempted_bss_desc = bss_desc;
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memcpy(assoc->peer_sta_addr,
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bss_desc->mac_address, sizeof(assoc->peer_sta_addr));
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pos += sizeof(assoc->peer_sta_addr);
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/* Set the listen interval */
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assoc->listen_interval = cpu_to_le16(priv->listen_interval);
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/* Set the beacon period */
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assoc->beacon_period = cpu_to_le16(bss_desc->beacon_period);
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pos += sizeof(assoc->cap_info_bitmap);
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pos += sizeof(assoc->listen_interval);
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pos += sizeof(assoc->beacon_period);
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pos += sizeof(assoc->dtim_period);
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ssid_tlv = (struct mwifiex_ie_types_ssid_param_set *) pos;
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ssid_tlv->header.type = cpu_to_le16(WLAN_EID_SSID);
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ssid_tlv->header.len = cpu_to_le16((u16) bss_desc->ssid.ssid_len);
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memcpy(ssid_tlv->ssid, bss_desc->ssid.ssid,
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le16_to_cpu(ssid_tlv->header.len));
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pos += sizeof(ssid_tlv->header) + le16_to_cpu(ssid_tlv->header.len);
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phy_tlv = (struct mwifiex_ie_types_phy_param_set *) pos;
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phy_tlv->header.type = cpu_to_le16(WLAN_EID_DS_PARAMS);
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phy_tlv->header.len = cpu_to_le16(sizeof(phy_tlv->fh_ds.ds_param_set));
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memcpy(&phy_tlv->fh_ds.ds_param_set,
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&bss_desc->phy_param_set.ds_param_set.current_chan,
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sizeof(phy_tlv->fh_ds.ds_param_set));
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pos += sizeof(phy_tlv->header) + le16_to_cpu(phy_tlv->header.len);
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ss_tlv = (struct mwifiex_ie_types_ss_param_set *) pos;
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ss_tlv->header.type = cpu_to_le16(WLAN_EID_CF_PARAMS);
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ss_tlv->header.len = cpu_to_le16(sizeof(ss_tlv->cf_ibss.cf_param_set));
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pos += sizeof(ss_tlv->header) + le16_to_cpu(ss_tlv->header.len);
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|
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/* Get the common rates supported between the driver and the BSS Desc */
|
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if (mwifiex_setup_rates_from_bssdesc
|
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(priv, bss_desc, rates, &rates_size))
|
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return -1;
|
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|
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/* Save the data rates into Current BSS state structure */
|
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priv->curr_bss_params.num_of_rates = rates_size;
|
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memcpy(&priv->curr_bss_params.data_rates, rates, rates_size);
|
|
|
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/* Setup the Rates TLV in the association command */
|
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rates_tlv = (struct mwifiex_ie_types_rates_param_set *) pos;
|
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rates_tlv->header.type = cpu_to_le16(WLAN_EID_SUPP_RATES);
|
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rates_tlv->header.len = cpu_to_le16((u16) rates_size);
|
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memcpy(rates_tlv->rates, rates, rates_size);
|
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pos += sizeof(rates_tlv->header) + rates_size;
|
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dev_dbg(priv->adapter->dev, "info: ASSOC_CMD: rates size = %d\n",
|
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rates_size);
|
|
|
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/* Add the Authentication type to be used for Auth frames */
|
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auth_tlv = (struct mwifiex_ie_types_auth_type *) pos;
|
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auth_tlv->header.type = cpu_to_le16(TLV_TYPE_AUTH_TYPE);
|
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auth_tlv->header.len = cpu_to_le16(sizeof(auth_tlv->auth_type));
|
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if (priv->sec_info.wep_status == MWIFIEX_802_11_WEP_ENABLED)
|
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auth_tlv->auth_type = cpu_to_le16(
|
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(u16) priv->sec_info.authentication_mode);
|
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else
|
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auth_tlv->auth_type = cpu_to_le16(NL80211_AUTHTYPE_OPEN_SYSTEM);
|
|
|
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pos += sizeof(auth_tlv->header) + le16_to_cpu(auth_tlv->header.len);
|
|
|
|
if (IS_SUPPORT_MULTI_BANDS(priv->adapter)
|
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&& !(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 =
|
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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);
|
|
|
|
/* 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);
|
|
|
|
|
|
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);
|
|
|
|
/* 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;
|
|
|
|
assoc_rsp = (struct ieee_types_assoc_rsp *) &resp->params;
|
|
|
|
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 (le16_to_cpu(assoc_rsp->status_code)) {
|
|
priv->adapter->dbg.num_cmd_assoc_failure++;
|
|
dev_err(priv->adapter->dev, "ASSOC_RESP: association failed, "
|
|
"status code = %d, error = 0x%x, a_id = 0x%x\n",
|
|
le16_to_cpu(assoc_rsp->status_code),
|
|
le16_to_cpu(assoc_rsp->cap_info_bitmap),
|
|
le16_to_cpu(assoc_rsp->a_id));
|
|
|
|
ret = -1;
|
|
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);
|
|
if (netif_queue_stopped(priv->netdev))
|
|
netif_wake_queue(priv->netdev);
|
|
|
|
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 mwifiex_802_11_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;
|
|
uint16_t ht_cap_info;
|
|
struct mwifiex_ie_types_chan_list_param_set *chan_tlv;
|
|
|
|
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_by_band_and_channel_from_cfg80211
|
|
(priv, adapter->adhoc_start_band, (u16)
|
|
priv->adhoc_channel)) {
|
|
struct mwifiex_chan_freq_power *cfp;
|
|
cfp = mwifiex_get_cfp_by_band_and_channel_from_cfg80211(priv,
|
|
adapter->adhoc_start_band, FIRST_VALID_CHANNEL);
|
|
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->DataRate, 0, sizeof(adhoc_start->DataRate));
|
|
mwifiex_get_active_data_rates(priv, adhoc_start->DataRate);
|
|
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->DataRate) &&
|
|
adhoc_start->DataRate[i];
|
|
i++)
|
|
;
|
|
|
|
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->DataRate, priv->curr_bss_params.num_of_rates);
|
|
|
|
dev_dbg(adapter->dev, "info: ADHOC_S_CMD: rates=%02x %02x %02x %02x\n",
|
|
adhoc_start->DataRate[0], adhoc_start->DataRate[1],
|
|
adhoc_start->DataRate[2], adhoc_start->DataRate[3]);
|
|
|
|
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->chan_offset == SEC_CHANNEL_ABOVE)
|
|
chan_tlv->chan_scan_param[0].radio_type |=
|
|
SECOND_CHANNEL_ABOVE;
|
|
else if (adapter->chan_offset == SEC_CHANNEL_BELOW)
|
|
chan_tlv->chan_scan_param[0].radio_type |=
|
|
SECOND_CHANNEL_BELOW;
|
|
}
|
|
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) {
|
|
{
|
|
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));
|
|
|
|
ht_cap_info = IEEE80211_HT_CAP_SGI_20;
|
|
if (adapter->chan_offset) {
|
|
ht_cap_info |= IEEE80211_HT_CAP_SGI_40;
|
|
ht_cap_info |= IEEE80211_HT_CAP_DSSSCCK40;
|
|
ht_cap_info |= IEEE80211_HT_CAP_SUP_WIDTH_20_40;
|
|
SETHT_MCS32(ht_cap->ht_cap.mcs.rx_mask);
|
|
}
|
|
ht_cap->ht_cap.cap_info = cpu_to_le16(ht_cap_info);
|
|
|
|
ht_cap->ht_cap.ampdu_params_info
|
|
= IEEE80211_HT_MAX_AMPDU_64K;
|
|
ht_cap->ht_cap.mcs.rx_mask[0] = 0xff;
|
|
pos += sizeof(struct mwifiex_ie_types_htcap);
|
|
cmd_append_size +=
|
|
sizeof(struct mwifiex_ie_types_htcap);
|
|
}
|
|
{
|
|
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_INFORMATION);
|
|
ht_info->header.len =
|
|
cpu_to_le16(sizeof(struct ieee80211_ht_info));
|
|
ht_info->ht_info.control_chan =
|
|
(u8) priv->curr_bss_params.bss_descriptor.
|
|
channel;
|
|
if (adapter->chan_offset) {
|
|
ht_info->ht_info.ht_param =
|
|
adapter->chan_offset;
|
|
ht_info->ht_info.ht_param |=
|
|
IEEE80211_HT_PARAM_CHAN_WIDTH_ANY;
|
|
}
|
|
ht_info->ht_info.operation_mode =
|
|
cpu_to_le16(IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT);
|
|
ht_info->ht_info.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; bss_desc->supported_rates[i] &&
|
|
i < MWIFIEX_SUPPORTED_RATES;
|
|
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_status == MWIFIEX_802_11_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;
|
|
|
|
adhoc_result = &resp->params.adhoc_result;
|
|
|
|
bss_desc = priv->attempted_bss_desc;
|
|
|
|
/* Join result code 0 --> SUCCESS */
|
|
if (le16_to_cpu(resp->result)) {
|
|
dev_err(priv->adapter->dev, "ADHOC_RESP: failed\n");
|
|
if (priv->media_connected)
|
|
mwifiex_reset_connect_state(priv);
|
|
|
|
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);
|
|
if (netif_queue_stopped(priv->netdev))
|
|
netif_wake_queue(priv->netdev);
|
|
|
|
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 or table entry is not marked as infra */
|
|
if ((priv->bss_mode != NL80211_IFTYPE_STATION) ||
|
|
(bss_desc->bss_mode != NL80211_IFTYPE_STATION))
|
|
return -1;
|
|
|
|
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 mwifiex_802_11_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);
|
|
|
|
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;
|
|
}
|
|
|
|
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;
|
|
u8 zero_mac[ETH_ALEN] = { 0, 0, 0, 0, 0, 0 };
|
|
|
|
if (mac) {
|
|
if (!memcmp(mac, zero_mac, sizeof(zero_mac)))
|
|
memcpy((u8 *) &mac_address,
|
|
(u8 *) &priv->curr_bss_params.bss_descriptor.
|
|
mac_address, ETH_ALEN);
|
|
else
|
|
memcpy((u8 *) &mac_address, (u8 *) mac, ETH_ALEN);
|
|
} else {
|
|
memcpy((u8 *) &mac_address, (u8 *) &priv->curr_bss_params.
|
|
bss_descriptor.mac_address, 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.
|
|
*/
|
|
int mwifiex_deauthenticate(struct mwifiex_private *priv, u8 *mac)
|
|
{
|
|
int ret = 0;
|
|
|
|
if (priv->media_connected) {
|
|
if (priv->bss_mode == NL80211_IFTYPE_STATION) {
|
|
ret = mwifiex_deauthenticate_infra(priv, mac);
|
|
} else if (priv->bss_mode == NL80211_IFTYPE_ADHOC) {
|
|
ret = mwifiex_send_cmd_sync(priv,
|
|
HostCmd_CMD_802_11_AD_HOC_STOP,
|
|
HostCmd_ACT_GEN_SET, 0, NULL);
|
|
}
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
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:
|
|
return HostCmd_SCAN_RADIO_TYPE_A;
|
|
case BAND_B:
|
|
case BAND_G:
|
|
case BAND_B | BAND_G:
|
|
default:
|
|
return HostCmd_SCAN_RADIO_TYPE_BG;
|
|
}
|
|
}
|