e98a88dd33
This removes many unused function parameters as well as some not-implemented functions, e.g. CMD_802_11_GET_STATS. The silly lbs_set_cmd_ctrl_node() function is now also gone. Signed-off-by: Holger Schurig <hs4233@mail.mn-solutions.de> Acked-by: Dan Williams <dcbw@redhat.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
873 lines
25 KiB
C
873 lines
25 KiB
C
/**
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* Functions implementing wlan infrastructure and adhoc join routines,
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* IOCTL handlers as well as command preperation and response routines
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* for sending adhoc start, adhoc join, and association commands
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* to the firmware.
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*/
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#include <linux/netdevice.h>
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#include <linux/if_arp.h>
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#include <linux/wireless.h>
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#include <linux/etherdevice.h>
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#include <net/iw_handler.h>
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#include "host.h"
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#include "decl.h"
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#include "join.h"
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#include "dev.h"
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#include "assoc.h"
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/* The firmware needs certain bits masked out of the beacon-derviced capability
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* field when associating/joining to BSSs.
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*/
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#define CAPINFO_MASK (~(0xda00))
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/**
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* @brief This function finds common rates between rate1 and card rates.
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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 need to be taken
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* care, either before or after calling this function
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*
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* @param priv A pointer to struct lbs_private structure
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* @param rate1 the buffer which keeps input and output
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* @param rate1_size the size of rate1 buffer; new size of buffer on return
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*
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* @return 0 or -1
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*/
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static int get_common_rates(struct lbs_private *priv,
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u8 *rates,
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u16 *rates_size)
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{
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u8 *card_rates = lbs_bg_rates;
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size_t num_card_rates = sizeof(lbs_bg_rates);
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int ret = 0, i, j;
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u8 tmp[30];
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size_t tmp_size = 0;
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/* For each rate in card_rates that exists in rate1, copy to tmp */
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for (i = 0; card_rates[i] && (i < num_card_rates); i++) {
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for (j = 0; rates[j] && (j < *rates_size); j++) {
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if (rates[j] == card_rates[i])
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tmp[tmp_size++] = card_rates[i];
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}
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}
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lbs_deb_hex(LBS_DEB_JOIN, "AP rates ", rates, *rates_size);
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lbs_deb_hex(LBS_DEB_JOIN, "card rates ", card_rates, num_card_rates);
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lbs_deb_hex(LBS_DEB_JOIN, "common rates", tmp, tmp_size);
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lbs_deb_join("TX data rate 0x%02x\n", priv->cur_rate);
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if (!priv->auto_rate) {
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for (i = 0; i < tmp_size; i++) {
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if (tmp[i] == priv->cur_rate)
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goto done;
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}
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lbs_pr_alert("Previously set fixed data rate %#x isn't "
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"compatible with the network.\n", priv->cur_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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memset(rates, 0, *rates_size);
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*rates_size = min_t(int, tmp_size, *rates_size);
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memcpy(rates, tmp, *rates_size);
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return ret;
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}
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/**
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* @brief Sets the MSB on basic rates as the firmware requires
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*
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* Scan through an array and set the MSB for basic data rates.
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*
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* @param rates buffer of data rates
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* @param len size of buffer
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*/
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static void lbs_set_basic_rate_flags(u8 *rates, size_t len)
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{
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int i;
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for (i = 0; i < len; i++) {
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if (rates[i] == 0x02 || rates[i] == 0x04 ||
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rates[i] == 0x0b || rates[i] == 0x16)
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rates[i] |= 0x80;
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}
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}
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/**
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* @brief Associate to a specific BSS discovered in a scan
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*
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* @param priv A pointer to struct lbs_private structure
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* @param pbssdesc Pointer to the BSS descriptor to associate with.
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*
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* @return 0-success, otherwise fail
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*/
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int lbs_associate(struct lbs_private *priv, struct assoc_request *assoc_req)
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{
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int ret;
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lbs_deb_enter(LBS_DEB_ASSOC);
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ret = lbs_prepare_and_send_command(priv, CMD_802_11_AUTHENTICATE,
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0, CMD_OPTION_WAITFORRSP,
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0, assoc_req->bss.bssid);
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if (ret)
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goto done;
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/* set preamble to firmware */
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if ( (priv->capability & WLAN_CAPABILITY_SHORT_PREAMBLE)
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&& (assoc_req->bss.capability & WLAN_CAPABILITY_SHORT_PREAMBLE))
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priv->preamble = CMD_TYPE_SHORT_PREAMBLE;
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else
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priv->preamble = CMD_TYPE_LONG_PREAMBLE;
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lbs_set_radio_control(priv);
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ret = lbs_prepare_and_send_command(priv, CMD_802_11_ASSOCIATE,
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0, CMD_OPTION_WAITFORRSP, 0, assoc_req);
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done:
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lbs_deb_leave_args(LBS_DEB_ASSOC, "ret %d", ret);
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return ret;
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}
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/**
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* @brief Start an Adhoc Network
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*
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* @param priv A pointer to struct lbs_private structure
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* @param adhocssid The ssid of the Adhoc Network
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* @return 0--success, -1--fail
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*/
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int lbs_start_adhoc_network(struct lbs_private *priv,
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struct assoc_request *assoc_req)
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{
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int ret = 0;
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priv->adhoccreate = 1;
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if (priv->capability & WLAN_CAPABILITY_SHORT_PREAMBLE) {
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lbs_deb_join("AdhocStart: Short preamble\n");
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priv->preamble = CMD_TYPE_SHORT_PREAMBLE;
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} else {
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lbs_deb_join("AdhocStart: Long preamble\n");
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priv->preamble = CMD_TYPE_LONG_PREAMBLE;
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}
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lbs_set_radio_control(priv);
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lbs_deb_join("AdhocStart: channel = %d\n", assoc_req->channel);
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lbs_deb_join("AdhocStart: band = %d\n", assoc_req->band);
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ret = lbs_prepare_and_send_command(priv, CMD_802_11_AD_HOC_START,
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0, CMD_OPTION_WAITFORRSP, 0, assoc_req);
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return ret;
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}
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/**
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* @brief Join an adhoc network found in a previous scan
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*
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* @param priv A pointer to struct lbs_private structure
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* @param pbssdesc Pointer to a BSS descriptor found in a previous scan
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* to attempt to join
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*
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* @return 0--success, -1--fail
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*/
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int lbs_join_adhoc_network(struct lbs_private *priv,
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struct assoc_request *assoc_req)
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{
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struct bss_descriptor * bss = &assoc_req->bss;
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int ret = 0;
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lbs_deb_join("%s: Current SSID '%s', ssid length %u\n",
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__func__,
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escape_essid(priv->curbssparams.ssid,
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priv->curbssparams.ssid_len),
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priv->curbssparams.ssid_len);
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lbs_deb_join("%s: requested ssid '%s', ssid length %u\n",
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__func__, escape_essid(bss->ssid, bss->ssid_len),
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bss->ssid_len);
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/* check if the requested SSID is already joined */
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if ( priv->curbssparams.ssid_len
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&& !lbs_ssid_cmp(priv->curbssparams.ssid,
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priv->curbssparams.ssid_len,
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bss->ssid, bss->ssid_len)
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&& (priv->mode == IW_MODE_ADHOC)
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&& (priv->connect_status == LBS_CONNECTED)) {
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union iwreq_data wrqu;
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lbs_deb_join("ADHOC_J_CMD: New ad-hoc SSID is the same as "
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"current, not attempting to re-join");
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/* Send the re-association event though, because the association
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* request really was successful, even if just a null-op.
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*/
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memset(&wrqu, 0, sizeof(wrqu));
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memcpy(wrqu.ap_addr.sa_data, priv->curbssparams.bssid,
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ETH_ALEN);
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wrqu.ap_addr.sa_family = ARPHRD_ETHER;
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wireless_send_event(priv->dev, SIOCGIWAP, &wrqu, NULL);
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goto out;
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}
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/* Use shortpreamble only when both creator and card supports
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short preamble */
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if ( !(bss->capability & WLAN_CAPABILITY_SHORT_PREAMBLE)
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|| !(priv->capability & WLAN_CAPABILITY_SHORT_PREAMBLE)) {
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lbs_deb_join("AdhocJoin: Long preamble\n");
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priv->preamble = CMD_TYPE_LONG_PREAMBLE;
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} else {
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lbs_deb_join("AdhocJoin: Short preamble\n");
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priv->preamble = CMD_TYPE_SHORT_PREAMBLE;
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}
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lbs_set_radio_control(priv);
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lbs_deb_join("AdhocJoin: channel = %d\n", assoc_req->channel);
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lbs_deb_join("AdhocJoin: band = %c\n", assoc_req->band);
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priv->adhoccreate = 0;
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ret = lbs_prepare_and_send_command(priv, CMD_802_11_AD_HOC_JOIN,
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0, CMD_OPTION_WAITFORRSP,
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OID_802_11_SSID, assoc_req);
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out:
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return ret;
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}
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int lbs_stop_adhoc_network(struct lbs_private *priv)
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{
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return lbs_prepare_and_send_command(priv, CMD_802_11_AD_HOC_STOP,
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0, CMD_OPTION_WAITFORRSP, 0, NULL);
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}
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/**
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* @brief Send Deauthentication Request
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*
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* @param priv A pointer to struct lbs_private structure
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* @return 0--success, -1--fail
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*/
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int lbs_send_deauthentication(struct lbs_private *priv)
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{
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return lbs_prepare_and_send_command(priv, CMD_802_11_DEAUTHENTICATE,
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0, CMD_OPTION_WAITFORRSP, 0, NULL);
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}
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/**
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* @brief This function prepares command of authenticate.
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*
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* @param priv A pointer to struct lbs_private structure
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* @param cmd A pointer to cmd_ds_command structure
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* @param pdata_buf Void cast of pointer to a BSSID to authenticate with
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*
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* @return 0 or -1
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*/
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int lbs_cmd_80211_authenticate(struct lbs_private *priv,
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struct cmd_ds_command *cmd,
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void *pdata_buf)
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{
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struct cmd_ds_802_11_authenticate *pauthenticate = &cmd->params.auth;
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int ret = -1;
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u8 *bssid = pdata_buf;
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DECLARE_MAC_BUF(mac);
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lbs_deb_enter(LBS_DEB_JOIN);
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cmd->command = cpu_to_le16(CMD_802_11_AUTHENTICATE);
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cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_authenticate)
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+ S_DS_GEN);
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/* translate auth mode to 802.11 defined wire value */
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switch (priv->secinfo.auth_mode) {
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case IW_AUTH_ALG_OPEN_SYSTEM:
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pauthenticate->authtype = 0x00;
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break;
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case IW_AUTH_ALG_SHARED_KEY:
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pauthenticate->authtype = 0x01;
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break;
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case IW_AUTH_ALG_LEAP:
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pauthenticate->authtype = 0x80;
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break;
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default:
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lbs_deb_join("AUTH_CMD: invalid auth alg 0x%X\n",
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priv->secinfo.auth_mode);
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goto out;
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}
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memcpy(pauthenticate->macaddr, bssid, ETH_ALEN);
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lbs_deb_join("AUTH_CMD: BSSID %s, auth 0x%x\n",
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print_mac(mac, bssid), pauthenticate->authtype);
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ret = 0;
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out:
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lbs_deb_leave_args(LBS_DEB_JOIN, "ret %d", ret);
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return ret;
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}
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int lbs_cmd_80211_deauthenticate(struct lbs_private *priv,
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struct cmd_ds_command *cmd)
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{
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struct cmd_ds_802_11_deauthenticate *dauth = &cmd->params.deauth;
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lbs_deb_enter(LBS_DEB_JOIN);
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cmd->command = cpu_to_le16(CMD_802_11_DEAUTHENTICATE);
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cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_deauthenticate) +
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S_DS_GEN);
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/* set AP MAC address */
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memmove(dauth->macaddr, priv->curbssparams.bssid, ETH_ALEN);
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/* Reason code 3 = Station is leaving */
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#define REASON_CODE_STA_LEAVING 3
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dauth->reasoncode = cpu_to_le16(REASON_CODE_STA_LEAVING);
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lbs_deb_leave(LBS_DEB_JOIN);
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return 0;
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}
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int lbs_cmd_80211_associate(struct lbs_private *priv,
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struct cmd_ds_command *cmd, void *pdata_buf)
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{
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struct cmd_ds_802_11_associate *passo = &cmd->params.associate;
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int ret = 0;
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struct assoc_request * assoc_req = pdata_buf;
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struct bss_descriptor * bss = &assoc_req->bss;
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u8 *pos;
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u16 tmpcap, tmplen;
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struct mrvlietypes_ssidparamset *ssid;
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struct mrvlietypes_phyparamset *phy;
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struct mrvlietypes_ssparamset *ss;
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struct mrvlietypes_ratesparamset *rates;
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struct mrvlietypes_rsnparamset *rsn;
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lbs_deb_enter(LBS_DEB_ASSOC);
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pos = (u8 *) passo;
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if (!priv) {
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ret = -1;
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goto done;
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}
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cmd->command = cpu_to_le16(CMD_802_11_ASSOCIATE);
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memcpy(passo->peerstaaddr, bss->bssid, sizeof(passo->peerstaaddr));
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pos += sizeof(passo->peerstaaddr);
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/* set the listen interval */
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passo->listeninterval = cpu_to_le16(MRVDRV_DEFAULT_LISTEN_INTERVAL);
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pos += sizeof(passo->capability);
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pos += sizeof(passo->listeninterval);
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pos += sizeof(passo->bcnperiod);
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pos += sizeof(passo->dtimperiod);
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ssid = (struct mrvlietypes_ssidparamset *) pos;
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ssid->header.type = cpu_to_le16(TLV_TYPE_SSID);
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tmplen = bss->ssid_len;
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ssid->header.len = cpu_to_le16(tmplen);
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memcpy(ssid->ssid, bss->ssid, tmplen);
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pos += sizeof(ssid->header) + tmplen;
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phy = (struct mrvlietypes_phyparamset *) pos;
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phy->header.type = cpu_to_le16(TLV_TYPE_PHY_DS);
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tmplen = sizeof(phy->fh_ds.dsparamset);
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phy->header.len = cpu_to_le16(tmplen);
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memcpy(&phy->fh_ds.dsparamset,
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&bss->phyparamset.dsparamset.currentchan,
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tmplen);
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pos += sizeof(phy->header) + tmplen;
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ss = (struct mrvlietypes_ssparamset *) pos;
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ss->header.type = cpu_to_le16(TLV_TYPE_CF);
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tmplen = sizeof(ss->cf_ibss.cfparamset);
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ss->header.len = cpu_to_le16(tmplen);
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pos += sizeof(ss->header) + tmplen;
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rates = (struct mrvlietypes_ratesparamset *) pos;
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rates->header.type = cpu_to_le16(TLV_TYPE_RATES);
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memcpy(&rates->rates, &bss->rates, MAX_RATES);
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tmplen = MAX_RATES;
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if (get_common_rates(priv, rates->rates, &tmplen)) {
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ret = -1;
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goto done;
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}
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pos += sizeof(rates->header) + tmplen;
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rates->header.len = cpu_to_le16(tmplen);
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lbs_deb_assoc("ASSOC_CMD: num rates %u\n", tmplen);
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/* Copy the infra. association rates into Current BSS state structure */
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memset(&priv->curbssparams.rates, 0, sizeof(priv->curbssparams.rates));
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memcpy(&priv->curbssparams.rates, &rates->rates, tmplen);
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/* Set MSB on basic rates as the firmware requires, but _after_
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* copying to current bss rates.
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*/
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lbs_set_basic_rate_flags(rates->rates, tmplen);
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if (assoc_req->secinfo.WPAenabled || assoc_req->secinfo.WPA2enabled) {
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rsn = (struct mrvlietypes_rsnparamset *) pos;
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/* WPA_IE or WPA2_IE */
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rsn->header.type = cpu_to_le16((u16) assoc_req->wpa_ie[0]);
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tmplen = (u16) assoc_req->wpa_ie[1];
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rsn->header.len = cpu_to_le16(tmplen);
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memcpy(rsn->rsnie, &assoc_req->wpa_ie[2], tmplen);
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lbs_deb_hex(LBS_DEB_JOIN, "ASSOC_CMD: RSN IE", (u8 *) rsn,
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sizeof(rsn->header) + tmplen);
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pos += sizeof(rsn->header) + tmplen;
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}
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/* update curbssparams */
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priv->curbssparams.channel = bss->phyparamset.dsparamset.currentchan;
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if (lbs_parse_dnld_countryinfo_11d(priv, bss)) {
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ret = -1;
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goto done;
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}
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cmd->size = cpu_to_le16((u16) (pos - (u8 *) passo) + S_DS_GEN);
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/* set the capability info */
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tmpcap = (bss->capability & CAPINFO_MASK);
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if (bss->mode == IW_MODE_INFRA)
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tmpcap |= WLAN_CAPABILITY_ESS;
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passo->capability = cpu_to_le16(tmpcap);
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lbs_deb_assoc("ASSOC_CMD: capability 0x%04x\n", tmpcap);
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done:
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lbs_deb_leave_args(LBS_DEB_ASSOC, "ret %d", ret);
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return ret;
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}
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int lbs_cmd_80211_ad_hoc_start(struct lbs_private *priv,
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struct cmd_ds_command *cmd, void *pdata_buf)
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{
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struct cmd_ds_802_11_ad_hoc_start *adhs = &cmd->params.ads;
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int ret = 0;
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int cmdappendsize = 0;
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struct assoc_request * assoc_req = pdata_buf;
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u16 tmpcap = 0;
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size_t ratesize = 0;
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lbs_deb_enter(LBS_DEB_JOIN);
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|
|
if (!priv) {
|
|
ret = -1;
|
|
goto done;
|
|
}
|
|
|
|
cmd->command = cpu_to_le16(CMD_802_11_AD_HOC_START);
|
|
|
|
/*
|
|
* Fill in the parameters for 2 data structures:
|
|
* 1. cmd_ds_802_11_ad_hoc_start command
|
|
* 2. priv->scantable[i]
|
|
*
|
|
* Driver will fill up SSID, bsstype,IBSS param, Physical Param,
|
|
* probe delay, and cap info.
|
|
*
|
|
* Firmware will fill up beacon period, DTIM, Basic rates
|
|
* and operational rates.
|
|
*/
|
|
|
|
memset(adhs->ssid, 0, IW_ESSID_MAX_SIZE);
|
|
memcpy(adhs->ssid, assoc_req->ssid, assoc_req->ssid_len);
|
|
|
|
lbs_deb_join("ADHOC_S_CMD: SSID '%s', ssid length %u\n",
|
|
escape_essid(assoc_req->ssid, assoc_req->ssid_len),
|
|
assoc_req->ssid_len);
|
|
|
|
/* set the BSS type */
|
|
adhs->bsstype = CMD_BSS_TYPE_IBSS;
|
|
priv->mode = IW_MODE_ADHOC;
|
|
if (priv->beacon_period == 0)
|
|
priv->beacon_period = MRVDRV_BEACON_INTERVAL;
|
|
adhs->beaconperiod = cpu_to_le16(priv->beacon_period);
|
|
|
|
/* set Physical param set */
|
|
#define DS_PARA_IE_ID 3
|
|
#define DS_PARA_IE_LEN 1
|
|
|
|
adhs->phyparamset.dsparamset.elementid = DS_PARA_IE_ID;
|
|
adhs->phyparamset.dsparamset.len = DS_PARA_IE_LEN;
|
|
|
|
WARN_ON(!assoc_req->channel);
|
|
|
|
lbs_deb_join("ADHOC_S_CMD: Creating ADHOC on channel %d\n",
|
|
assoc_req->channel);
|
|
|
|
adhs->phyparamset.dsparamset.currentchan = assoc_req->channel;
|
|
|
|
/* set IBSS param set */
|
|
#define IBSS_PARA_IE_ID 6
|
|
#define IBSS_PARA_IE_LEN 2
|
|
|
|
adhs->ssparamset.ibssparamset.elementid = IBSS_PARA_IE_ID;
|
|
adhs->ssparamset.ibssparamset.len = IBSS_PARA_IE_LEN;
|
|
adhs->ssparamset.ibssparamset.atimwindow = 0;
|
|
|
|
/* set capability info */
|
|
tmpcap = WLAN_CAPABILITY_IBSS;
|
|
if (assoc_req->secinfo.wep_enabled) {
|
|
lbs_deb_join("ADHOC_S_CMD: WEP enabled, setting privacy on\n");
|
|
tmpcap |= WLAN_CAPABILITY_PRIVACY;
|
|
} else {
|
|
lbs_deb_join("ADHOC_S_CMD: WEP disabled, setting privacy off\n");
|
|
}
|
|
adhs->capability = cpu_to_le16(tmpcap);
|
|
|
|
/* probedelay */
|
|
adhs->probedelay = cpu_to_le16(CMD_SCAN_PROBE_DELAY_TIME);
|
|
|
|
memset(adhs->rates, 0, sizeof(adhs->rates));
|
|
ratesize = min(sizeof(adhs->rates), sizeof(lbs_bg_rates));
|
|
memcpy(adhs->rates, lbs_bg_rates, ratesize);
|
|
|
|
/* Copy the ad-hoc creating rates into Current BSS state structure */
|
|
memset(&priv->curbssparams.rates, 0, sizeof(priv->curbssparams.rates));
|
|
memcpy(&priv->curbssparams.rates, &adhs->rates, ratesize);
|
|
|
|
/* Set MSB on basic rates as the firmware requires, but _after_
|
|
* copying to current bss rates.
|
|
*/
|
|
lbs_set_basic_rate_flags(adhs->rates, ratesize);
|
|
|
|
lbs_deb_join("ADHOC_S_CMD: rates=%02x %02x %02x %02x \n",
|
|
adhs->rates[0], adhs->rates[1], adhs->rates[2], adhs->rates[3]);
|
|
|
|
lbs_deb_join("ADHOC_S_CMD: AD HOC Start command is ready\n");
|
|
|
|
if (lbs_create_dnld_countryinfo_11d(priv)) {
|
|
lbs_deb_join("ADHOC_S_CMD: dnld_countryinfo_11d failed\n");
|
|
ret = -1;
|
|
goto done;
|
|
}
|
|
|
|
cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_ad_hoc_start) +
|
|
S_DS_GEN + cmdappendsize);
|
|
|
|
ret = 0;
|
|
done:
|
|
lbs_deb_leave_args(LBS_DEB_JOIN, "ret %d", ret);
|
|
return ret;
|
|
}
|
|
|
|
int lbs_cmd_80211_ad_hoc_stop(struct cmd_ds_command *cmd)
|
|
{
|
|
cmd->command = cpu_to_le16(CMD_802_11_AD_HOC_STOP);
|
|
cmd->size = cpu_to_le16(S_DS_GEN);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int lbs_cmd_80211_ad_hoc_join(struct lbs_private *priv,
|
|
struct cmd_ds_command *cmd, void *pdata_buf)
|
|
{
|
|
struct cmd_ds_802_11_ad_hoc_join *join_cmd = &cmd->params.adj;
|
|
struct assoc_request * assoc_req = pdata_buf;
|
|
struct bss_descriptor *bss = &assoc_req->bss;
|
|
int cmdappendsize = 0;
|
|
int ret = 0;
|
|
u16 ratesize = 0;
|
|
DECLARE_MAC_BUF(mac);
|
|
|
|
lbs_deb_enter(LBS_DEB_JOIN);
|
|
|
|
cmd->command = cpu_to_le16(CMD_802_11_AD_HOC_JOIN);
|
|
|
|
join_cmd->bss.type = CMD_BSS_TYPE_IBSS;
|
|
join_cmd->bss.beaconperiod = cpu_to_le16(bss->beaconperiod);
|
|
|
|
memcpy(&join_cmd->bss.bssid, &bss->bssid, ETH_ALEN);
|
|
memcpy(&join_cmd->bss.ssid, &bss->ssid, bss->ssid_len);
|
|
|
|
memcpy(&join_cmd->bss.phyparamset, &bss->phyparamset,
|
|
sizeof(union ieeetypes_phyparamset));
|
|
|
|
memcpy(&join_cmd->bss.ssparamset, &bss->ssparamset,
|
|
sizeof(union IEEEtypes_ssparamset));
|
|
|
|
join_cmd->bss.capability = cpu_to_le16(bss->capability & CAPINFO_MASK);
|
|
lbs_deb_join("ADHOC_J_CMD: tmpcap=%4X CAPINFO_MASK=%4X\n",
|
|
bss->capability, CAPINFO_MASK);
|
|
|
|
/* information on BSSID descriptor passed to FW */
|
|
lbs_deb_join(
|
|
"ADHOC_J_CMD: BSSID = %s, SSID = '%s'\n",
|
|
print_mac(mac, join_cmd->bss.bssid),
|
|
join_cmd->bss.ssid);
|
|
|
|
/* failtimeout */
|
|
join_cmd->failtimeout = cpu_to_le16(MRVDRV_ASSOCIATION_TIME_OUT);
|
|
|
|
/* probedelay */
|
|
join_cmd->probedelay = cpu_to_le16(CMD_SCAN_PROBE_DELAY_TIME);
|
|
|
|
priv->curbssparams.channel = bss->channel;
|
|
|
|
/* Copy Data rates from the rates recorded in scan response */
|
|
memset(join_cmd->bss.rates, 0, sizeof(join_cmd->bss.rates));
|
|
ratesize = min_t(u16, sizeof(join_cmd->bss.rates), MAX_RATES);
|
|
memcpy(join_cmd->bss.rates, bss->rates, ratesize);
|
|
if (get_common_rates(priv, join_cmd->bss.rates, &ratesize)) {
|
|
lbs_deb_join("ADHOC_J_CMD: get_common_rates returns error.\n");
|
|
ret = -1;
|
|
goto done;
|
|
}
|
|
|
|
/* Copy the ad-hoc creating rates into Current BSS state structure */
|
|
memset(&priv->curbssparams.rates, 0, sizeof(priv->curbssparams.rates));
|
|
memcpy(&priv->curbssparams.rates, join_cmd->bss.rates, ratesize);
|
|
|
|
/* Set MSB on basic rates as the firmware requires, but _after_
|
|
* copying to current bss rates.
|
|
*/
|
|
lbs_set_basic_rate_flags(join_cmd->bss.rates, ratesize);
|
|
|
|
join_cmd->bss.ssparamset.ibssparamset.atimwindow =
|
|
cpu_to_le16(bss->atimwindow);
|
|
|
|
if (assoc_req->secinfo.wep_enabled) {
|
|
u16 tmp = le16_to_cpu(join_cmd->bss.capability);
|
|
tmp |= WLAN_CAPABILITY_PRIVACY;
|
|
join_cmd->bss.capability = cpu_to_le16(tmp);
|
|
}
|
|
|
|
if (priv->psmode == LBS802_11POWERMODEMAX_PSP) {
|
|
/* wake up first */
|
|
__le32 Localpsmode;
|
|
|
|
Localpsmode = cpu_to_le32(LBS802_11POWERMODECAM);
|
|
ret = lbs_prepare_and_send_command(priv,
|
|
CMD_802_11_PS_MODE,
|
|
CMD_ACT_SET,
|
|
0, 0, &Localpsmode);
|
|
|
|
if (ret) {
|
|
ret = -1;
|
|
goto done;
|
|
}
|
|
}
|
|
|
|
if (lbs_parse_dnld_countryinfo_11d(priv, bss)) {
|
|
ret = -1;
|
|
goto done;
|
|
}
|
|
|
|
cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_ad_hoc_join) +
|
|
S_DS_GEN + cmdappendsize);
|
|
|
|
done:
|
|
lbs_deb_leave_args(LBS_DEB_JOIN, "ret %d", ret);
|
|
return ret;
|
|
}
|
|
|
|
int lbs_ret_80211_associate(struct lbs_private *priv,
|
|
struct cmd_ds_command *resp)
|
|
{
|
|
int ret = 0;
|
|
union iwreq_data wrqu;
|
|
struct ieeetypes_assocrsp *passocrsp;
|
|
struct bss_descriptor * bss;
|
|
u16 status_code;
|
|
|
|
lbs_deb_enter(LBS_DEB_ASSOC);
|
|
|
|
if (!priv->in_progress_assoc_req) {
|
|
lbs_deb_assoc("ASSOC_RESP: no in-progress assoc request\n");
|
|
ret = -1;
|
|
goto done;
|
|
}
|
|
bss = &priv->in_progress_assoc_req->bss;
|
|
|
|
passocrsp = (struct ieeetypes_assocrsp *) & resp->params;
|
|
|
|
/*
|
|
* Older FW versions map the IEEE 802.11 Status Code in the association
|
|
* response to the following values returned in passocrsp->statuscode:
|
|
*
|
|
* IEEE Status Code Marvell Status Code
|
|
* 0 -> 0x0000 ASSOC_RESULT_SUCCESS
|
|
* 13 -> 0x0004 ASSOC_RESULT_AUTH_REFUSED
|
|
* 14 -> 0x0004 ASSOC_RESULT_AUTH_REFUSED
|
|
* 15 -> 0x0004 ASSOC_RESULT_AUTH_REFUSED
|
|
* 16 -> 0x0004 ASSOC_RESULT_AUTH_REFUSED
|
|
* others -> 0x0003 ASSOC_RESULT_REFUSED
|
|
*
|
|
* Other response codes:
|
|
* 0x0001 -> ASSOC_RESULT_INVALID_PARAMETERS (unused)
|
|
* 0x0002 -> ASSOC_RESULT_TIMEOUT (internal timer expired waiting for
|
|
* association response from the AP)
|
|
*/
|
|
|
|
status_code = le16_to_cpu(passocrsp->statuscode);
|
|
switch (status_code) {
|
|
case 0x00:
|
|
break;
|
|
case 0x01:
|
|
lbs_deb_assoc("ASSOC_RESP: invalid parameters\n");
|
|
break;
|
|
case 0x02:
|
|
lbs_deb_assoc("ASSOC_RESP: internal timer "
|
|
"expired while waiting for the AP\n");
|
|
break;
|
|
case 0x03:
|
|
lbs_deb_assoc("ASSOC_RESP: association "
|
|
"refused by AP\n");
|
|
break;
|
|
case 0x04:
|
|
lbs_deb_assoc("ASSOC_RESP: authentication "
|
|
"refused by AP\n");
|
|
break;
|
|
default:
|
|
lbs_deb_assoc("ASSOC_RESP: failure reason 0x%02x "
|
|
" unknown\n", status_code);
|
|
break;
|
|
}
|
|
|
|
if (status_code) {
|
|
lbs_mac_event_disconnected(priv);
|
|
ret = -1;
|
|
goto done;
|
|
}
|
|
|
|
lbs_deb_hex(LBS_DEB_ASSOC, "ASSOC_RESP", (void *)&resp->params,
|
|
le16_to_cpu(resp->size) - S_DS_GEN);
|
|
|
|
/* Send a Media Connected event, according to the Spec */
|
|
priv->connect_status = LBS_CONNECTED;
|
|
|
|
/* Update current SSID and BSSID */
|
|
memcpy(&priv->curbssparams.ssid, &bss->ssid, IW_ESSID_MAX_SIZE);
|
|
priv->curbssparams.ssid_len = bss->ssid_len;
|
|
memcpy(priv->curbssparams.bssid, bss->bssid, ETH_ALEN);
|
|
|
|
priv->SNR[TYPE_RXPD][TYPE_AVG] = 0;
|
|
priv->NF[TYPE_RXPD][TYPE_AVG] = 0;
|
|
|
|
memset(priv->rawSNR, 0x00, sizeof(priv->rawSNR));
|
|
memset(priv->rawNF, 0x00, sizeof(priv->rawNF));
|
|
priv->nextSNRNF = 0;
|
|
priv->numSNRNF = 0;
|
|
|
|
netif_carrier_on(priv->dev);
|
|
if (!priv->tx_pending_len)
|
|
netif_wake_queue(priv->dev);
|
|
|
|
memcpy(wrqu.ap_addr.sa_data, priv->curbssparams.bssid, ETH_ALEN);
|
|
wrqu.ap_addr.sa_family = ARPHRD_ETHER;
|
|
wireless_send_event(priv->dev, SIOCGIWAP, &wrqu, NULL);
|
|
|
|
done:
|
|
lbs_deb_leave_args(LBS_DEB_ASSOC, "ret %d", ret);
|
|
return ret;
|
|
}
|
|
|
|
int lbs_ret_80211_disassociate(struct lbs_private *priv)
|
|
{
|
|
lbs_deb_enter(LBS_DEB_JOIN);
|
|
|
|
lbs_mac_event_disconnected(priv);
|
|
|
|
lbs_deb_leave(LBS_DEB_JOIN);
|
|
return 0;
|
|
}
|
|
|
|
int lbs_ret_80211_ad_hoc_start(struct lbs_private *priv,
|
|
struct cmd_ds_command *resp)
|
|
{
|
|
int ret = 0;
|
|
u16 command = le16_to_cpu(resp->command);
|
|
u16 result = le16_to_cpu(resp->result);
|
|
struct cmd_ds_802_11_ad_hoc_result *padhocresult;
|
|
union iwreq_data wrqu;
|
|
struct bss_descriptor *bss;
|
|
DECLARE_MAC_BUF(mac);
|
|
|
|
lbs_deb_enter(LBS_DEB_JOIN);
|
|
|
|
padhocresult = &resp->params.result;
|
|
|
|
lbs_deb_join("ADHOC_RESP: size = %d\n", le16_to_cpu(resp->size));
|
|
lbs_deb_join("ADHOC_RESP: command = %x\n", command);
|
|
lbs_deb_join("ADHOC_RESP: result = %x\n", result);
|
|
|
|
if (!priv->in_progress_assoc_req) {
|
|
lbs_deb_join("ADHOC_RESP: no in-progress association request\n");
|
|
ret = -1;
|
|
goto done;
|
|
}
|
|
bss = &priv->in_progress_assoc_req->bss;
|
|
|
|
/*
|
|
* Join result code 0 --> SUCCESS
|
|
*/
|
|
if (result) {
|
|
lbs_deb_join("ADHOC_RESP: failed\n");
|
|
if (priv->connect_status == LBS_CONNECTED) {
|
|
lbs_mac_event_disconnected(priv);
|
|
}
|
|
ret = -1;
|
|
goto done;
|
|
}
|
|
|
|
/*
|
|
* Now the join cmd should be successful
|
|
* If BSSID has changed use SSID to compare instead of BSSID
|
|
*/
|
|
lbs_deb_join("ADHOC_RESP: associated to '%s'\n",
|
|
escape_essid(bss->ssid, bss->ssid_len));
|
|
|
|
/* Send a Media Connected event, according to the Spec */
|
|
priv->connect_status = LBS_CONNECTED;
|
|
|
|
if (command == CMD_RET(CMD_802_11_AD_HOC_START)) {
|
|
/* Update the created network descriptor with the new BSSID */
|
|
memcpy(bss->bssid, padhocresult->bssid, ETH_ALEN);
|
|
}
|
|
|
|
/* Set the BSSID from the joined/started descriptor */
|
|
memcpy(&priv->curbssparams.bssid, bss->bssid, ETH_ALEN);
|
|
|
|
/* Set the new SSID to current SSID */
|
|
memcpy(&priv->curbssparams.ssid, &bss->ssid, IW_ESSID_MAX_SIZE);
|
|
priv->curbssparams.ssid_len = bss->ssid_len;
|
|
|
|
netif_carrier_on(priv->dev);
|
|
if (!priv->tx_pending_len)
|
|
netif_wake_queue(priv->dev);
|
|
|
|
memset(&wrqu, 0, sizeof(wrqu));
|
|
memcpy(wrqu.ap_addr.sa_data, priv->curbssparams.bssid, ETH_ALEN);
|
|
wrqu.ap_addr.sa_family = ARPHRD_ETHER;
|
|
wireless_send_event(priv->dev, SIOCGIWAP, &wrqu, NULL);
|
|
|
|
lbs_deb_join("ADHOC_RESP: - Joined/Started Ad Hoc\n");
|
|
lbs_deb_join("ADHOC_RESP: channel = %d\n", priv->curbssparams.channel);
|
|
lbs_deb_join("ADHOC_RESP: BSSID = %s\n",
|
|
print_mac(mac, padhocresult->bssid));
|
|
|
|
done:
|
|
lbs_deb_leave_args(LBS_DEB_JOIN, "ret %d", ret);
|
|
return ret;
|
|
}
|
|
|
|
int lbs_ret_80211_ad_hoc_stop(struct lbs_private *priv)
|
|
{
|
|
lbs_deb_enter(LBS_DEB_JOIN);
|
|
|
|
lbs_mac_event_disconnected(priv);
|
|
|
|
lbs_deb_leave(LBS_DEB_JOIN);
|
|
return 0;
|
|
}
|