/* Copyright (C) 2006, Red Hat, Inc. */
-#include <linux/bitops.h>
-#include <net/ieee80211.h>
#include <linux/etherdevice.h>
#include "assoc.h"
-#include "join.h"
#include "decl.h"
-#include "hostcmd.h"
#include "host.h"
+#include "scan.h"
#include "cmd.h"
-static const u8 bssid_any[ETH_ALEN] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
-static const u8 bssid_off[ETH_ALEN] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
+static const u8 bssid_any[ETH_ALEN] __attribute__ ((aligned (2))) =
+ { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
+static const u8 bssid_off[ETH_ALEN] __attribute__ ((aligned (2))) =
+ { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
+/* The firmware needs certain bits masked out of the beacon-derviced capability
+ * field when associating/joining to BSSs.
+ */
+#define CAPINFO_MASK (~(0xda00))
+
+
+
+/**
+ * @brief Associate to a specific BSS discovered in a scan
+ *
+ * @param priv A pointer to struct lbs_private structure
+ * @param pbssdesc Pointer to the BSS descriptor to associate with.
+ *
+ * @return 0-success, otherwise fail
+ */
+static int lbs_associate(struct lbs_private *priv,
+ struct assoc_request *assoc_req)
+{
+ int ret;
+
+ lbs_deb_enter(LBS_DEB_ASSOC);
+
+ ret = lbs_prepare_and_send_command(priv, CMD_802_11_AUTHENTICATE,
+ 0, CMD_OPTION_WAITFORRSP,
+ 0, assoc_req->bss.bssid);
+
+ if (ret)
+ goto done;
+
+ /* set preamble to firmware */
+ if ((priv->capability & WLAN_CAPABILITY_SHORT_PREAMBLE) &&
+ (assoc_req->bss.capability & WLAN_CAPABILITY_SHORT_PREAMBLE))
+ priv->preamble = CMD_TYPE_SHORT_PREAMBLE;
+ else
+ priv->preamble = CMD_TYPE_LONG_PREAMBLE;
+
+ lbs_set_radio_control(priv);
+
+ ret = lbs_prepare_and_send_command(priv, CMD_802_11_ASSOCIATE,
+ 0, CMD_OPTION_WAITFORRSP, 0, assoc_req);
+
+done:
+ lbs_deb_leave_args(LBS_DEB_ASSOC, "ret %d", ret);
+ return ret;
+}
+
+/**
+ * @brief Join an adhoc network found in a previous scan
+ *
+ * @param priv A pointer to struct lbs_private structure
+ * @param pbssdesc Pointer to a BSS descriptor found in a previous scan
+ * to attempt to join
+ *
+ * @return 0--success, -1--fail
+ */
+static int lbs_join_adhoc_network(struct lbs_private *priv,
+ struct assoc_request *assoc_req)
+{
+ struct bss_descriptor *bss = &assoc_req->bss;
+ int ret = 0;
+
+ lbs_deb_join("current SSID '%s', ssid length %u\n",
+ escape_essid(priv->curbssparams.ssid,
+ priv->curbssparams.ssid_len),
+ priv->curbssparams.ssid_len);
+ lbs_deb_join("requested ssid '%s', ssid length %u\n",
+ escape_essid(bss->ssid, bss->ssid_len),
+ bss->ssid_len);
+
+ /* check if the requested SSID is already joined */
+ if (priv->curbssparams.ssid_len &&
+ !lbs_ssid_cmp(priv->curbssparams.ssid,
+ priv->curbssparams.ssid_len,
+ bss->ssid, bss->ssid_len) &&
+ (priv->mode == IW_MODE_ADHOC) &&
+ (priv->connect_status == LBS_CONNECTED)) {
+ union iwreq_data wrqu;
+
+ lbs_deb_join("ADHOC_J_CMD: New ad-hoc SSID is the same as "
+ "current, not attempting to re-join");
+
+ /* Send the re-association event though, because the association
+ * request really was successful, even if just a null-op.
+ */
+ 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);
+ goto out;
+ }
+
+ /* Use shortpreamble only when both creator and card supports
+ short preamble */
+ if (!(bss->capability & WLAN_CAPABILITY_SHORT_PREAMBLE) ||
+ !(priv->capability & WLAN_CAPABILITY_SHORT_PREAMBLE)) {
+ lbs_deb_join("AdhocJoin: Long preamble\n");
+ priv->preamble = CMD_TYPE_LONG_PREAMBLE;
+ } else {
+ lbs_deb_join("AdhocJoin: Short preamble\n");
+ priv->preamble = CMD_TYPE_SHORT_PREAMBLE;
+ }
+
+ lbs_set_radio_control(priv);
+
+ lbs_deb_join("AdhocJoin: channel = %d\n", assoc_req->channel);
+ lbs_deb_join("AdhocJoin: band = %c\n", assoc_req->band);
+
+ priv->adhoccreate = 0;
+
+ ret = lbs_prepare_and_send_command(priv, CMD_802_11_AD_HOC_JOIN,
+ 0, CMD_OPTION_WAITFORRSP,
+ OID_802_11_SSID, assoc_req);
+
+out:
+ return ret;
+}
+
+/**
+ * @brief Start an Adhoc Network
+ *
+ * @param priv A pointer to struct lbs_private structure
+ * @param adhocssid The ssid of the Adhoc Network
+ * @return 0--success, -1--fail
+ */
+static int lbs_start_adhoc_network(struct lbs_private *priv,
+ struct assoc_request *assoc_req)
+{
+ int ret = 0;
+
+ priv->adhoccreate = 1;
+
+ if (priv->capability & WLAN_CAPABILITY_SHORT_PREAMBLE) {
+ lbs_deb_join("AdhocStart: Short preamble\n");
+ priv->preamble = CMD_TYPE_SHORT_PREAMBLE;
+ } else {
+ lbs_deb_join("AdhocStart: Long preamble\n");
+ priv->preamble = CMD_TYPE_LONG_PREAMBLE;
+ }
+
+ lbs_set_radio_control(priv);
+
+ lbs_deb_join("AdhocStart: channel = %d\n", assoc_req->channel);
+ lbs_deb_join("AdhocStart: band = %d\n", assoc_req->band);
+
+ ret = lbs_prepare_and_send_command(priv, CMD_802_11_AD_HOC_START,
+ 0, CMD_OPTION_WAITFORRSP, 0, assoc_req);
+
+ return ret;
+}
+
+int lbs_stop_adhoc_network(struct lbs_private *priv)
+{
+ return lbs_prepare_and_send_command(priv, CMD_802_11_AD_HOC_STOP,
+ 0, CMD_OPTION_WAITFORRSP, 0, NULL);
+}
+
+static inline int match_bss_no_security(struct lbs_802_11_security *secinfo,
+ struct bss_descriptor *match_bss)
+{
+ if (!secinfo->wep_enabled && !secinfo->WPAenabled
+ && !secinfo->WPA2enabled
+ && match_bss->wpa_ie[0] != MFIE_TYPE_GENERIC
+ && match_bss->rsn_ie[0] != MFIE_TYPE_RSN
+ && !(match_bss->capability & WLAN_CAPABILITY_PRIVACY))
+ return 1;
+ else
+ return 0;
+}
+
+static inline int match_bss_static_wep(struct lbs_802_11_security *secinfo,
+ struct bss_descriptor *match_bss)
+{
+ if (secinfo->wep_enabled && !secinfo->WPAenabled
+ && !secinfo->WPA2enabled
+ && (match_bss->capability & WLAN_CAPABILITY_PRIVACY))
+ return 1;
+ else
+ return 0;
+}
+
+static inline int match_bss_wpa(struct lbs_802_11_security *secinfo,
+ struct bss_descriptor *match_bss)
+{
+ if (!secinfo->wep_enabled && secinfo->WPAenabled
+ && (match_bss->wpa_ie[0] == MFIE_TYPE_GENERIC)
+ /* privacy bit may NOT be set in some APs like LinkSys WRT54G
+ && (match_bss->capability & WLAN_CAPABILITY_PRIVACY) */
+ )
+ return 1;
+ else
+ return 0;
+}
+
+static inline int match_bss_wpa2(struct lbs_802_11_security *secinfo,
+ struct bss_descriptor *match_bss)
+{
+ if (!secinfo->wep_enabled && secinfo->WPA2enabled &&
+ (match_bss->rsn_ie[0] == MFIE_TYPE_RSN)
+ /* privacy bit may NOT be set in some APs like LinkSys WRT54G
+ (match_bss->capability & WLAN_CAPABILITY_PRIVACY) */
+ )
+ return 1;
+ else
+ return 0;
+}
+
+static inline int match_bss_dynamic_wep(struct lbs_802_11_security *secinfo,
+ struct bss_descriptor *match_bss)
+{
+ if (!secinfo->wep_enabled && !secinfo->WPAenabled
+ && !secinfo->WPA2enabled
+ && (match_bss->wpa_ie[0] != MFIE_TYPE_GENERIC)
+ && (match_bss->rsn_ie[0] != MFIE_TYPE_RSN)
+ && (match_bss->capability & WLAN_CAPABILITY_PRIVACY))
+ return 1;
+ else
+ return 0;
+}
+
+/**
+ * @brief Check if a scanned network compatible with the driver settings
+ *
+ * WEP WPA WPA2 ad-hoc encrypt Network
+ * enabled enabled enabled AES mode privacy WPA WPA2 Compatible
+ * 0 0 0 0 NONE 0 0 0 yes No security
+ * 1 0 0 0 NONE 1 0 0 yes Static WEP
+ * 0 1 0 0 x 1x 1 x yes WPA
+ * 0 0 1 0 x 1x x 1 yes WPA2
+ * 0 0 0 1 NONE 1 0 0 yes Ad-hoc AES
+ * 0 0 0 0 !=NONE 1 0 0 yes Dynamic WEP
+ *
+ *
+ * @param priv A pointer to struct lbs_private
+ * @param index Index in scantable to check against current driver settings
+ * @param mode Network mode: Infrastructure or IBSS
+ *
+ * @return Index in scantable, or error code if negative
+ */
+static int is_network_compatible(struct lbs_private *priv,
+ struct bss_descriptor *bss, uint8_t mode)
+{
+ int matched = 0;
+
+ lbs_deb_enter(LBS_DEB_SCAN);
+
+ if (bss->mode != mode)
+ goto done;
+
+ matched = match_bss_no_security(&priv->secinfo, bss);
+ if (matched)
+ goto done;
+ matched = match_bss_static_wep(&priv->secinfo, bss);
+ if (matched)
+ goto done;
+ matched = match_bss_wpa(&priv->secinfo, bss);
+ if (matched) {
+ lbs_deb_scan("is_network_compatible() WPA: wpa_ie 0x%x "
+ "wpa2_ie 0x%x WEP %s WPA %s WPA2 %s "
+ "privacy 0x%x\n", bss->wpa_ie[0], bss->rsn_ie[0],
+ priv->secinfo.wep_enabled ? "e" : "d",
+ priv->secinfo.WPAenabled ? "e" : "d",
+ priv->secinfo.WPA2enabled ? "e" : "d",
+ (bss->capability & WLAN_CAPABILITY_PRIVACY));
+ goto done;
+ }
+ matched = match_bss_wpa2(&priv->secinfo, bss);
+ if (matched) {
+ lbs_deb_scan("is_network_compatible() WPA2: wpa_ie 0x%x "
+ "wpa2_ie 0x%x WEP %s WPA %s WPA2 %s "
+ "privacy 0x%x\n", bss->wpa_ie[0], bss->rsn_ie[0],
+ priv->secinfo.wep_enabled ? "e" : "d",
+ priv->secinfo.WPAenabled ? "e" : "d",
+ priv->secinfo.WPA2enabled ? "e" : "d",
+ (bss->capability & WLAN_CAPABILITY_PRIVACY));
+ goto done;
+ }
+ matched = match_bss_dynamic_wep(&priv->secinfo, bss);
+ if (matched) {
+ lbs_deb_scan("is_network_compatible() dynamic WEP: "
+ "wpa_ie 0x%x wpa2_ie 0x%x privacy 0x%x\n",
+ bss->wpa_ie[0], bss->rsn_ie[0],
+ (bss->capability & WLAN_CAPABILITY_PRIVACY));
+ goto done;
+ }
+
+ /* bss security settings don't match those configured on card */
+ lbs_deb_scan("is_network_compatible() FAILED: wpa_ie 0x%x "
+ "wpa2_ie 0x%x WEP %s WPA %s WPA2 %s privacy 0x%x\n",
+ bss->wpa_ie[0], bss->rsn_ie[0],
+ priv->secinfo.wep_enabled ? "e" : "d",
+ priv->secinfo.WPAenabled ? "e" : "d",
+ priv->secinfo.WPA2enabled ? "e" : "d",
+ (bss->capability & WLAN_CAPABILITY_PRIVACY));
+
+done:
+ lbs_deb_leave_args(LBS_DEB_SCAN, "matched: %d", matched);
+ return matched;
+}
+
+/**
+ * @brief This function finds a specific compatible BSSID in the scan list
+ *
+ * Used in association code
+ *
+ * @param priv A pointer to struct lbs_private
+ * @param bssid BSSID to find in the scan list
+ * @param mode Network mode: Infrastructure or IBSS
+ *
+ * @return index in BSSID list, or error return code (< 0)
+ */
+static struct bss_descriptor *lbs_find_bssid_in_list(struct lbs_private *priv,
+ uint8_t *bssid, uint8_t mode)
+{
+ struct bss_descriptor *iter_bss;
+ struct bss_descriptor *found_bss = NULL;
+
+ lbs_deb_enter(LBS_DEB_SCAN);
+
+ if (!bssid)
+ goto out;
+
+ lbs_deb_hex(LBS_DEB_SCAN, "looking for", bssid, ETH_ALEN);
+
+ /* Look through the scan table for a compatible match. The loop will
+ * continue past a matched bssid that is not compatible in case there
+ * is an AP with multiple SSIDs assigned to the same BSSID
+ */
+ mutex_lock(&priv->lock);
+ list_for_each_entry(iter_bss, &priv->network_list, list) {
+ if (compare_ether_addr(iter_bss->bssid, bssid))
+ continue; /* bssid doesn't match */
+ switch (mode) {
+ case IW_MODE_INFRA:
+ case IW_MODE_ADHOC:
+ if (!is_network_compatible(priv, iter_bss, mode))
+ break;
+ found_bss = iter_bss;
+ break;
+ default:
+ found_bss = iter_bss;
+ break;
+ }
+ }
+ mutex_unlock(&priv->lock);
+
+out:
+ lbs_deb_leave_args(LBS_DEB_SCAN, "found_bss %p", found_bss);
+ return found_bss;
+}
+
+/**
+ * @brief This function finds ssid in ssid list.
+ *
+ * Used in association code
+ *
+ * @param priv A pointer to struct lbs_private
+ * @param ssid SSID to find in the list
+ * @param bssid BSSID to qualify the SSID selection (if provided)
+ * @param mode Network mode: Infrastructure or IBSS
+ *
+ * @return index in BSSID list
+ */
+static struct bss_descriptor *lbs_find_ssid_in_list(struct lbs_private *priv,
+ uint8_t *ssid, uint8_t ssid_len,
+ uint8_t *bssid, uint8_t mode,
+ int channel)
+{
+ u32 bestrssi = 0;
+ struct bss_descriptor *iter_bss = NULL;
+ struct bss_descriptor *found_bss = NULL;
+ struct bss_descriptor *tmp_oldest = NULL;
+
+ lbs_deb_enter(LBS_DEB_SCAN);
+
+ mutex_lock(&priv->lock);
+
+ list_for_each_entry(iter_bss, &priv->network_list, list) {
+ if (!tmp_oldest ||
+ (iter_bss->last_scanned < tmp_oldest->last_scanned))
+ tmp_oldest = iter_bss;
+
+ if (lbs_ssid_cmp(iter_bss->ssid, iter_bss->ssid_len,
+ ssid, ssid_len) != 0)
+ continue; /* ssid doesn't match */
+ if (bssid && compare_ether_addr(iter_bss->bssid, bssid) != 0)
+ continue; /* bssid doesn't match */
+ if ((channel > 0) && (iter_bss->channel != channel))
+ continue; /* channel doesn't match */
+
+ switch (mode) {
+ case IW_MODE_INFRA:
+ case IW_MODE_ADHOC:
+ if (!is_network_compatible(priv, iter_bss, mode))
+ break;
+
+ if (bssid) {
+ /* Found requested BSSID */
+ found_bss = iter_bss;
+ goto out;
+ }
+
+ if (SCAN_RSSI(iter_bss->rssi) > bestrssi) {
+ bestrssi = SCAN_RSSI(iter_bss->rssi);
+ found_bss = iter_bss;
+ }
+ break;
+ case IW_MODE_AUTO:
+ default:
+ if (SCAN_RSSI(iter_bss->rssi) > bestrssi) {
+ bestrssi = SCAN_RSSI(iter_bss->rssi);
+ found_bss = iter_bss;
+ }
+ break;
+ }
+ }
+
+out:
+ mutex_unlock(&priv->lock);
+ lbs_deb_leave_args(LBS_DEB_SCAN, "found_bss %p", found_bss);
+ return found_bss;
+}
static int assoc_helper_essid(struct lbs_private *priv,
struct assoc_request * assoc_req)
escape_essid(assoc_req->ssid, assoc_req->ssid_len));
if (assoc_req->mode == IW_MODE_INFRA) {
lbs_send_specific_ssid_scan(priv, assoc_req->ssid,
- assoc_req->ssid_len, 0);
+ assoc_req->ssid_len);
bss = lbs_find_ssid_in_list(priv, assoc_req->ssid,
assoc_req->ssid_len, NULL, IW_MODE_INFRA, channel);
* scan data will cause us to join a non-existant adhoc network
*/
lbs_send_specific_ssid_scan(priv, assoc_req->ssid,
- assoc_req->ssid_len, 1);
+ assoc_req->ssid_len);
/* Search for the requested SSID in the scan table */
bss = lbs_find_ssid_in_list(priv, assoc_req->ssid,
return ret;
}
-
-static int update_channel(struct lbs_private *priv)
-{
- int ret;
-
- /* the channel in f/w could be out of sync, get the current channel */
- lbs_deb_enter(LBS_DEB_ASSOC);
-
- ret = lbs_get_channel(priv);
- if (ret > 0)
- priv->curbssparams.channel = (u8) ret;
-
- lbs_deb_leave_args(LBS_DEB_ASSOC, "ret %d", ret);
- return ret;
-}
-
-void lbs_sync_channel(struct work_struct *work)
-{
- struct lbs_private *priv = container_of(work, struct lbs_private,
- sync_channel);
-
- lbs_deb_enter(LBS_DEB_ASSOC);
- if (update_channel(priv) != 0)
- lbs_pr_info("Channel synchronization failed.");
- lbs_deb_leave(LBS_DEB_ASSOC);
-}
-
static int assoc_helper_channel(struct lbs_private *priv,
struct assoc_request * assoc_req)
{
lbs_deb_enter(LBS_DEB_ASSOC);
- ret = update_channel(priv);
- if (ret < 0) {
- lbs_deb_assoc("ASSOC: channel: error getting channel.");
+ ret = lbs_update_channel(priv);
+ if (ret) {
+ lbs_deb_assoc("ASSOC: channel: error getting channel.\n");
+ goto done;
}
if (assoc_req->channel == priv->curbssparams.channel)
goto done;
if (priv->mesh_dev) {
- /* Disconnect mesh while associating -- otherwise it
- won't let us change channels */
- lbs_mesh_config(priv, 0);
+ /* Change mesh channel first; 21.p21 firmware won't let
+ you change channel otherwise (even though it'll return
+ an error to this */
+ lbs_mesh_config(priv, 0, assoc_req->channel);
}
lbs_deb_assoc("ASSOC: channel: %d -> %d\n",
- priv->curbssparams.channel, assoc_req->channel);
+ priv->curbssparams.channel, assoc_req->channel);
ret = lbs_set_channel(priv, assoc_req->channel);
if (ret < 0)
- lbs_deb_assoc("ASSOC: channel: error setting channel.");
+ lbs_deb_assoc("ASSOC: channel: error setting channel.\n");
/* FIXME: shouldn't need to grab the channel _again_ after setting
* it since the firmware is supposed to return the new channel, but
* whatever... */
- ret = update_channel(priv);
- if (ret < 0)
- lbs_deb_assoc("ASSOC: channel: error getting channel.");
+ ret = lbs_update_channel(priv);
+ if (ret) {
+ lbs_deb_assoc("ASSOC: channel: error getting channel.\n");
+ goto done;
+ }
if (assoc_req->channel != priv->curbssparams.channel) {
lbs_deb_assoc("ASSOC: channel: failed to update channel to %d\n",
}
/* Must restart/rejoin adhoc networks after channel change */
- set_bit(ASSOC_FLAG_SSID, &assoc_req->flags);
+ set_bit(ASSOC_FLAG_SSID, &assoc_req->flags);
restore_mesh:
if (priv->mesh_dev)
- lbs_mesh_config(priv, 1);
+ lbs_mesh_config(priv, 1, priv->curbssparams.channel);
done:
lbs_deb_leave_args(LBS_DEB_ASSOC, "ret %d", ret);
static int assoc_helper_wep_keys(struct lbs_private *priv,
- struct assoc_request * assoc_req)
+ struct assoc_request *assoc_req)
{
int i;
int ret = 0;
lbs_deb_enter(LBS_DEB_ASSOC);
/* Set or remove WEP keys */
- if ( assoc_req->wep_keys[0].len
- || assoc_req->wep_keys[1].len
- || assoc_req->wep_keys[2].len
- || assoc_req->wep_keys[3].len) {
- ret = lbs_prepare_and_send_command(priv,
- CMD_802_11_SET_WEP,
- CMD_ACT_ADD,
- CMD_OPTION_WAITFORRSP,
- 0, assoc_req);
- } else {
- ret = lbs_prepare_and_send_command(priv,
- CMD_802_11_SET_WEP,
- CMD_ACT_REMOVE,
- CMD_OPTION_WAITFORRSP,
- 0, NULL);
- }
+ if (assoc_req->wep_keys[0].len || assoc_req->wep_keys[1].len ||
+ assoc_req->wep_keys[2].len || assoc_req->wep_keys[3].len)
+ ret = lbs_cmd_802_11_set_wep(priv, CMD_ACT_ADD, assoc_req);
+ else
+ ret = lbs_cmd_802_11_set_wep(priv, CMD_ACT_REMOVE, assoc_req);
if (ret)
goto out;
/* enable/disable the MAC's WEP packet filter */
if (assoc_req->secinfo.wep_enabled)
- priv->currentpacketfilter |= CMD_ACT_MAC_WEP_ENABLE;
+ priv->mac_control |= CMD_ACT_MAC_WEP_ENABLE;
else
- priv->currentpacketfilter &= ~CMD_ACT_MAC_WEP_ENABLE;
- ret = lbs_set_mac_packet_filter(priv);
- if (ret)
- goto out;
+ priv->mac_control &= ~CMD_ACT_MAC_WEP_ENABLE;
+
+ lbs_set_mac_control(priv);
mutex_lock(&priv->lock);
/* Copy WEP keys into priv wep key fields */
for (i = 0; i < 4; i++) {
memcpy(&priv->wep_keys[i], &assoc_req->wep_keys[i],
- sizeof(struct enc_key));
+ sizeof(struct enc_key));
}
priv->wep_tx_keyidx = assoc_req->wep_tx_keyidx;
struct assoc_request * assoc_req)
{
int ret = 0;
- u32 do_wpa;
- u32 rsn = 0;
+ uint16_t do_wpa;
+ uint16_t rsn = 0;
lbs_deb_enter(LBS_DEB_ASSOC);
memcpy(&priv->secinfo, &assoc_req->secinfo,
sizeof(struct lbs_802_11_security));
- ret = lbs_set_mac_packet_filter(priv);
- if (ret)
- goto out;
+ lbs_set_mac_control(priv);
/* If RSN is already enabled, don't try to enable it again, since
* ENABLE_RSN resets internal state machines and will clobber the
*/
/* Get RSN enabled/disabled */
- ret = lbs_prepare_and_send_command(priv,
- CMD_802_11_ENABLE_RSN,
- CMD_ACT_GET,
- CMD_OPTION_WAITFORRSP,
- 0, &rsn);
+ ret = lbs_cmd_802_11_enable_rsn(priv, CMD_ACT_GET, &rsn);
if (ret) {
- lbs_deb_assoc("Failed to get RSN status: %d", ret);
+ lbs_deb_assoc("Failed to get RSN status: %d\n", ret);
goto out;
}
/* Don't re-enable RSN if it's already enabled */
- do_wpa = (assoc_req->secinfo.WPAenabled || assoc_req->secinfo.WPA2enabled);
+ do_wpa = assoc_req->secinfo.WPAenabled || assoc_req->secinfo.WPA2enabled;
if (do_wpa == rsn)
goto out;
/* Set RSN enabled/disabled */
- rsn = do_wpa;
- ret = lbs_prepare_and_send_command(priv,
- CMD_802_11_ENABLE_RSN,
- CMD_ACT_SET,
- CMD_OPTION_WAITFORRSP,
- 0, &rsn);
+ ret = lbs_cmd_802_11_enable_rsn(priv, CMD_ACT_SET, &do_wpa);
out:
lbs_deb_leave_args(LBS_DEB_ASSOC, "ret %d", ret);
if (test_bit(ASSOC_FLAG_WPA_UCAST_KEY, &assoc_req->flags)) {
clear_bit(ASSOC_FLAG_WPA_MCAST_KEY, &assoc_req->flags);
- ret = lbs_prepare_and_send_command(priv,
- CMD_802_11_KEY_MATERIAL,
- CMD_ACT_SET,
- CMD_OPTION_WAITFORRSP,
- 0, assoc_req);
+ ret = lbs_cmd_802_11_key_material(priv, CMD_ACT_SET, assoc_req);
assoc_req->flags = flags;
}
if (test_bit(ASSOC_FLAG_WPA_MCAST_KEY, &assoc_req->flags)) {
clear_bit(ASSOC_FLAG_WPA_UCAST_KEY, &assoc_req->flags);
- ret = lbs_prepare_and_send_command(priv,
- CMD_802_11_KEY_MATERIAL,
- CMD_ACT_SET,
- CMD_OPTION_WAITFORRSP,
- 0, assoc_req);
+ ret = lbs_cmd_802_11_key_material(priv, CMD_ACT_SET, assoc_req);
assoc_req->flags = flags;
}
{
int ret = 0;
- lbs_deb_enter(LBS_DEB_ASSOC);
-
if (priv->connect_status != LBS_CONNECTED)
return 0;
+ lbs_deb_enter(LBS_DEB_ASSOC);
if (test_bit(ASSOC_FLAG_SSID, &assoc_req->flags)) {
lbs_deb_assoc("Deauthenticating due to new SSID\n");
ret = 1;
out:
lbs_deb_leave_args(LBS_DEB_ASSOC, "ret %d", ret);
- return 0;
+ return ret;
}
}
+/**
+ * @brief This function finds the best SSID in the Scan List
+ *
+ * Search the scan table for the best SSID that also matches the current
+ * adapter network preference (infrastructure or adhoc)
+ *
+ * @param priv A pointer to struct lbs_private
+ *
+ * @return index in BSSID list
+ */
+static struct bss_descriptor *lbs_find_best_ssid_in_list(
+ struct lbs_private *priv, uint8_t mode)
+{
+ uint8_t bestrssi = 0;
+ struct bss_descriptor *iter_bss;
+ struct bss_descriptor *best_bss = NULL;
+
+ lbs_deb_enter(LBS_DEB_SCAN);
+
+ mutex_lock(&priv->lock);
+
+ list_for_each_entry(iter_bss, &priv->network_list, list) {
+ switch (mode) {
+ case IW_MODE_INFRA:
+ case IW_MODE_ADHOC:
+ if (!is_network_compatible(priv, iter_bss, mode))
+ break;
+ if (SCAN_RSSI(iter_bss->rssi) <= bestrssi)
+ break;
+ bestrssi = SCAN_RSSI(iter_bss->rssi);
+ best_bss = iter_bss;
+ break;
+ case IW_MODE_AUTO:
+ default:
+ if (SCAN_RSSI(iter_bss->rssi) <= bestrssi)
+ break;
+ bestrssi = SCAN_RSSI(iter_bss->rssi);
+ best_bss = iter_bss;
+ break;
+ }
+ }
+
+ mutex_unlock(&priv->lock);
+ lbs_deb_leave_args(LBS_DEB_SCAN, "best_bss %p", best_bss);
+ return best_bss;
+}
+
+/**
+ * @brief Find the best AP
+ *
+ * Used from association worker.
+ *
+ * @param priv A pointer to struct lbs_private structure
+ * @param pSSID A pointer to AP's ssid
+ *
+ * @return 0--success, otherwise--fail
+ */
+static int lbs_find_best_network_ssid(struct lbs_private *priv,
+ uint8_t *out_ssid, uint8_t *out_ssid_len, uint8_t preferred_mode,
+ uint8_t *out_mode)
+{
+ int ret = -1;
+ struct bss_descriptor *found;
+
+ lbs_deb_enter(LBS_DEB_SCAN);
+
+ priv->scan_ssid_len = 0;
+ lbs_scan_networks(priv, 1);
+ if (priv->surpriseremoved)
+ goto out;
+
+ found = lbs_find_best_ssid_in_list(priv, preferred_mode);
+ if (found && (found->ssid_len > 0)) {
+ memcpy(out_ssid, &found->ssid, IW_ESSID_MAX_SIZE);
+ *out_ssid_len = found->ssid_len;
+ *out_mode = found->mode;
+ ret = 0;
+ }
+
+out:
+ lbs_deb_leave_args(LBS_DEB_SCAN, "ret %d", ret);
+ return ret;
+}
+
+
void lbs_association_worker(struct work_struct *work)
{
struct lbs_private *priv = container_of(work, struct lbs_private,
}
if (find_any_ssid) {
- u8 new_mode;
+ u8 new_mode = assoc_req->mode;
ret = lbs_find_best_network_ssid(priv, assoc_req->ssid,
&assoc_req->ssid_len, assoc_req->mode, &new_mode);
}
if (success) {
- lbs_deb_assoc("ASSOC: associated to '%s', %s\n",
- escape_essid(priv->curbssparams.ssid,
- priv->curbssparams.ssid_len),
+ lbs_deb_assoc("associated to %s\n",
print_mac(mac, priv->curbssparams.bssid));
lbs_prepare_and_send_command(priv,
CMD_802_11_RSSI,
0, CMD_OPTION_WAITFORRSP, 0, NULL);
-
- lbs_prepare_and_send_command(priv,
- CMD_802_11_GET_LOG,
- 0, CMD_OPTION_WAITFORRSP, 0, NULL);
} else {
ret = -1;
}
lbs_deb_leave(LBS_DEB_ASSOC);
return assoc_req;
}
+
+
+/**
+ * @brief This function finds common rates between rate1 and card rates.
+ *
+ * It will fill common rates in rate1 as output if found.
+ *
+ * NOTE: Setting the MSB of the basic rates need to be taken
+ * care, either before or after calling this function
+ *
+ * @param priv A pointer to struct lbs_private structure
+ * @param rate1 the buffer which keeps input and output
+ * @param rate1_size the size of rate1 buffer; new size of buffer on return
+ *
+ * @return 0 or -1
+ */
+static int get_common_rates(struct lbs_private *priv,
+ u8 *rates,
+ u16 *rates_size)
+{
+ u8 *card_rates = lbs_bg_rates;
+ size_t num_card_rates = sizeof(lbs_bg_rates);
+ int ret = 0, i, j;
+ u8 tmp[30];
+ size_t tmp_size = 0;
+
+ /* For each rate in card_rates that exists in rate1, copy to tmp */
+ for (i = 0; card_rates[i] && (i < num_card_rates); i++) {
+ for (j = 0; rates[j] && (j < *rates_size); j++) {
+ if (rates[j] == card_rates[i])
+ tmp[tmp_size++] = card_rates[i];
+ }
+ }
+
+ lbs_deb_hex(LBS_DEB_JOIN, "AP rates ", rates, *rates_size);
+ lbs_deb_hex(LBS_DEB_JOIN, "card rates ", card_rates, num_card_rates);
+ lbs_deb_hex(LBS_DEB_JOIN, "common rates", tmp, tmp_size);
+ lbs_deb_join("TX data rate 0x%02x\n", priv->cur_rate);
+
+ if (!priv->auto_rate) {
+ for (i = 0; i < tmp_size; i++) {
+ if (tmp[i] == priv->cur_rate)
+ goto done;
+ }
+ lbs_pr_alert("Previously set fixed data rate %#x isn't "
+ "compatible with the network.\n", priv->cur_rate);
+ ret = -1;
+ goto done;
+ }
+ ret = 0;
+
+done:
+ memset(rates, 0, *rates_size);
+ *rates_size = min_t(int, tmp_size, *rates_size);
+ memcpy(rates, tmp, *rates_size);
+ return ret;
+}
+
+
+/**
+ * @brief Sets the MSB on basic rates as the firmware requires
+ *
+ * Scan through an array and set the MSB for basic data rates.
+ *
+ * @param rates buffer of data rates
+ * @param len size of buffer
+ */
+static void lbs_set_basic_rate_flags(u8 *rates, size_t len)
+{
+ int i;
+
+ for (i = 0; i < len; i++) {
+ if (rates[i] == 0x02 || rates[i] == 0x04 ||
+ rates[i] == 0x0b || rates[i] == 0x16)
+ rates[i] |= 0x80;
+ }
+}
+
+/**
+ * @brief Send Deauthentication Request
+ *
+ * @param priv A pointer to struct lbs_private structure
+ * @return 0--success, -1--fail
+ */
+int lbs_send_deauthentication(struct lbs_private *priv)
+{
+ return lbs_prepare_and_send_command(priv, CMD_802_11_DEAUTHENTICATE,
+ 0, CMD_OPTION_WAITFORRSP, 0, NULL);
+}
+
+/**
+ * @brief This function prepares command of authenticate.
+ *
+ * @param priv A pointer to struct lbs_private structure
+ * @param cmd A pointer to cmd_ds_command structure
+ * @param pdata_buf Void cast of pointer to a BSSID to authenticate with
+ *
+ * @return 0 or -1
+ */
+int lbs_cmd_80211_authenticate(struct lbs_private *priv,
+ struct cmd_ds_command *cmd,
+ void *pdata_buf)
+{
+ struct cmd_ds_802_11_authenticate *pauthenticate = &cmd->params.auth;
+ int ret = -1;
+ u8 *bssid = pdata_buf;
+ DECLARE_MAC_BUF(mac);
+
+ lbs_deb_enter(LBS_DEB_JOIN);
+
+ cmd->command = cpu_to_le16(CMD_802_11_AUTHENTICATE);
+ cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_authenticate)
+ + S_DS_GEN);
+
+ /* translate auth mode to 802.11 defined wire value */
+ switch (priv->secinfo.auth_mode) {
+ case IW_AUTH_ALG_OPEN_SYSTEM:
+ pauthenticate->authtype = 0x00;
+ break;
+ case IW_AUTH_ALG_SHARED_KEY:
+ pauthenticate->authtype = 0x01;
+ break;
+ case IW_AUTH_ALG_LEAP:
+ pauthenticate->authtype = 0x80;
+ break;
+ default:
+ lbs_deb_join("AUTH_CMD: invalid auth alg 0x%X\n",
+ priv->secinfo.auth_mode);
+ goto out;
+ }
+
+ memcpy(pauthenticate->macaddr, bssid, ETH_ALEN);
+
+ lbs_deb_join("AUTH_CMD: BSSID %s, auth 0x%x\n",
+ print_mac(mac, bssid), pauthenticate->authtype);
+ ret = 0;
+
+out:
+ lbs_deb_leave_args(LBS_DEB_JOIN, "ret %d", ret);
+ return ret;
+}
+
+int lbs_cmd_80211_deauthenticate(struct lbs_private *priv,
+ struct cmd_ds_command *cmd)
+{
+ struct cmd_ds_802_11_deauthenticate *dauth = &cmd->params.deauth;
+
+ lbs_deb_enter(LBS_DEB_JOIN);
+
+ cmd->command = cpu_to_le16(CMD_802_11_DEAUTHENTICATE);
+ cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_deauthenticate) +
+ S_DS_GEN);
+
+ /* set AP MAC address */
+ memmove(dauth->macaddr, priv->curbssparams.bssid, ETH_ALEN);
+
+ /* Reason code 3 = Station is leaving */
+#define REASON_CODE_STA_LEAVING 3
+ dauth->reasoncode = cpu_to_le16(REASON_CODE_STA_LEAVING);
+
+ lbs_deb_leave(LBS_DEB_JOIN);
+ return 0;
+}
+
+int lbs_cmd_80211_associate(struct lbs_private *priv,
+ struct cmd_ds_command *cmd, void *pdata_buf)
+{
+ struct cmd_ds_802_11_associate *passo = &cmd->params.associate;
+ int ret = 0;
+ struct assoc_request *assoc_req = pdata_buf;
+ struct bss_descriptor *bss = &assoc_req->bss;
+ u8 *pos;
+ u16 tmpcap, tmplen;
+ struct mrvlietypes_ssidparamset *ssid;
+ struct mrvlietypes_phyparamset *phy;
+ struct mrvlietypes_ssparamset *ss;
+ struct mrvlietypes_ratesparamset *rates;
+ struct mrvlietypes_rsnparamset *rsn;
+
+ lbs_deb_enter(LBS_DEB_ASSOC);
+
+ pos = (u8 *) passo;
+
+ if (!priv) {
+ ret = -1;
+ goto done;
+ }
+
+ cmd->command = cpu_to_le16(CMD_802_11_ASSOCIATE);
+
+ memcpy(passo->peerstaaddr, bss->bssid, sizeof(passo->peerstaaddr));
+ pos += sizeof(passo->peerstaaddr);
+
+ /* set the listen interval */
+ passo->listeninterval = cpu_to_le16(MRVDRV_DEFAULT_LISTEN_INTERVAL);
+
+ pos += sizeof(passo->capability);
+ pos += sizeof(passo->listeninterval);
+ pos += sizeof(passo->bcnperiod);
+ pos += sizeof(passo->dtimperiod);
+
+ ssid = (struct mrvlietypes_ssidparamset *) pos;
+ ssid->header.type = cpu_to_le16(TLV_TYPE_SSID);
+ tmplen = bss->ssid_len;
+ ssid->header.len = cpu_to_le16(tmplen);
+ memcpy(ssid->ssid, bss->ssid, tmplen);
+ pos += sizeof(ssid->header) + tmplen;
+
+ phy = (struct mrvlietypes_phyparamset *) pos;
+ phy->header.type = cpu_to_le16(TLV_TYPE_PHY_DS);
+ tmplen = sizeof(phy->fh_ds.dsparamset);
+ phy->header.len = cpu_to_le16(tmplen);
+ memcpy(&phy->fh_ds.dsparamset,
+ &bss->phyparamset.dsparamset.currentchan,
+ tmplen);
+ pos += sizeof(phy->header) + tmplen;
+
+ ss = (struct mrvlietypes_ssparamset *) pos;
+ ss->header.type = cpu_to_le16(TLV_TYPE_CF);
+ tmplen = sizeof(ss->cf_ibss.cfparamset);
+ ss->header.len = cpu_to_le16(tmplen);
+ pos += sizeof(ss->header) + tmplen;
+
+ rates = (struct mrvlietypes_ratesparamset *) pos;
+ rates->header.type = cpu_to_le16(TLV_TYPE_RATES);
+ memcpy(&rates->rates, &bss->rates, MAX_RATES);
+ tmplen = MAX_RATES;
+ if (get_common_rates(priv, rates->rates, &tmplen)) {
+ ret = -1;
+ goto done;
+ }
+ pos += sizeof(rates->header) + tmplen;
+ rates->header.len = cpu_to_le16(tmplen);
+ lbs_deb_assoc("ASSOC_CMD: num rates %u\n", tmplen);
+
+ /* Copy the infra. association rates into Current BSS state structure */
+ memset(&priv->curbssparams.rates, 0, sizeof(priv->curbssparams.rates));
+ memcpy(&priv->curbssparams.rates, &rates->rates, tmplen);
+
+ /* Set MSB on basic rates as the firmware requires, but _after_
+ * copying to current bss rates.
+ */
+ lbs_set_basic_rate_flags(rates->rates, tmplen);
+
+ if (assoc_req->secinfo.WPAenabled || assoc_req->secinfo.WPA2enabled) {
+ rsn = (struct mrvlietypes_rsnparamset *) pos;
+ /* WPA_IE or WPA2_IE */
+ rsn->header.type = cpu_to_le16((u16) assoc_req->wpa_ie[0]);
+ tmplen = (u16) assoc_req->wpa_ie[1];
+ rsn->header.len = cpu_to_le16(tmplen);
+ memcpy(rsn->rsnie, &assoc_req->wpa_ie[2], tmplen);
+ lbs_deb_hex(LBS_DEB_JOIN, "ASSOC_CMD: RSN IE", (u8 *) rsn,
+ sizeof(rsn->header) + tmplen);
+ pos += sizeof(rsn->header) + tmplen;
+ }
+
+ /* update curbssparams */
+ priv->curbssparams.channel = bss->phyparamset.dsparamset.currentchan;
+
+ if (lbs_parse_dnld_countryinfo_11d(priv, bss)) {
+ ret = -1;
+ goto done;
+ }
+
+ cmd->size = cpu_to_le16((u16) (pos - (u8 *) passo) + S_DS_GEN);
+
+ /* set the capability info */
+ tmpcap = (bss->capability & CAPINFO_MASK);
+ if (bss->mode == IW_MODE_INFRA)
+ tmpcap |= WLAN_CAPABILITY_ESS;
+ passo->capability = cpu_to_le16(tmpcap);
+ lbs_deb_assoc("ASSOC_CMD: capability 0x%04x\n", tmpcap);
+
+done:
+ lbs_deb_leave_args(LBS_DEB_ASSOC, "ret %d", ret);
+ return ret;
+}
+
+int lbs_cmd_80211_ad_hoc_start(struct lbs_private *priv,
+ struct cmd_ds_command *cmd, void *pdata_buf)
+{
+ struct cmd_ds_802_11_ad_hoc_start *adhs = &cmd->params.ads;
+ int ret = 0;
+ int cmdappendsize = 0;
+ struct assoc_request *assoc_req = pdata_buf;
+ u16 tmpcap = 0;
+ size_t ratesize = 0;
+
+ lbs_deb_enter(LBS_DEB_JOIN);
+
+ 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;
+}
projects / openwrt.git / blobdiff