-/*
- * Implement cfg80211 ("iw") support.
- *
- * Copyright (C) 2009 M&N Solutions GmbH, 61191 Rosbach, Germany
- * Holger Schurig <hs4233@mail.mn-solutions.de>
- *
- */
-
-#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
-
-#include <linux/hardirq.h>
-#include <linux/sched.h>
-#include <linux/wait.h>
-#include <linux/slab.h>
-#include <linux/ieee80211.h>
-#include <net/cfg80211.h>
-#include <asm/unaligned.h>
-
-#include "decl.h"
-#include "cfg.h"
-#include "cmd.h"
-#include "mesh.h"
-
-
-#define CHAN2G(_channel, _freq, _flags) { \
- .band = IEEE80211_BAND_2GHZ, \
- .center_freq = (_freq), \
- .hw_value = (_channel), \
- .flags = (_flags), \
- .max_antenna_gain = 0, \
- .max_power = 30, \
-}
-
-static struct ieee80211_channel lbs_2ghz_channels[] = {
- CHAN2G(1, 2412, 0),
- CHAN2G(2, 2417, 0),
- CHAN2G(3, 2422, 0),
- CHAN2G(4, 2427, 0),
- CHAN2G(5, 2432, 0),
- CHAN2G(6, 2437, 0),
- CHAN2G(7, 2442, 0),
- CHAN2G(8, 2447, 0),
- CHAN2G(9, 2452, 0),
- CHAN2G(10, 2457, 0),
- CHAN2G(11, 2462, 0),
- CHAN2G(12, 2467, 0),
- CHAN2G(13, 2472, 0),
- CHAN2G(14, 2484, 0),
-};
-
-#define RATETAB_ENT(_rate, _hw_value, _flags) { \
- .bitrate = (_rate), \
- .hw_value = (_hw_value), \
- .flags = (_flags), \
-}
-
-
-/* Table 6 in section 3.2.1.1 */
-static struct ieee80211_rate lbs_rates[] = {
- RATETAB_ENT(10, 0, 0),
- RATETAB_ENT(20, 1, 0),
- RATETAB_ENT(55, 2, 0),
- RATETAB_ENT(110, 3, 0),
- RATETAB_ENT(60, 9, 0),
- RATETAB_ENT(90, 6, 0),
- RATETAB_ENT(120, 7, 0),
- RATETAB_ENT(180, 8, 0),
- RATETAB_ENT(240, 9, 0),
- RATETAB_ENT(360, 10, 0),
- RATETAB_ENT(480, 11, 0),
- RATETAB_ENT(540, 12, 0),
-};
-
-static struct ieee80211_supported_band lbs_band_2ghz = {
- .channels = lbs_2ghz_channels,
- .n_channels = ARRAY_SIZE(lbs_2ghz_channels),
- .bitrates = lbs_rates,
- .n_bitrates = ARRAY_SIZE(lbs_rates),
-};
-
-
-static const u32 cipher_suites[] = {
- WLAN_CIPHER_SUITE_WEP40,
- WLAN_CIPHER_SUITE_WEP104,
- WLAN_CIPHER_SUITE_TKIP,
- WLAN_CIPHER_SUITE_CCMP,
-};
-
-/* Time to stay on the channel */
-#define LBS_DWELL_PASSIVE 100
-#define LBS_DWELL_ACTIVE 40
-
-
-/***************************************************************************
- * Misc utility functions
- *
- * TLVs are Marvell specific. They are very similar to IEs, they have the
- * same structure: type, length, data*. The only difference: for IEs, the
- * type and length are u8, but for TLVs they're __le16.
- */
-
-/*
- * Convert NL80211's auth_type to the one from Libertas, see chapter 5.9.1
- * in the firmware spec
- */
-static int lbs_auth_to_authtype(enum nl80211_auth_type auth_type)
-{
- int ret = -ENOTSUPP;
-
- switch (auth_type) {
- case NL80211_AUTHTYPE_OPEN_SYSTEM:
- case NL80211_AUTHTYPE_SHARED_KEY:
- ret = auth_type;
- break;
- case NL80211_AUTHTYPE_AUTOMATIC:
- ret = NL80211_AUTHTYPE_OPEN_SYSTEM;
- break;
- case NL80211_AUTHTYPE_NETWORK_EAP:
- ret = 0x80;
- break;
- default:
- /* silence compiler */
- break;
- }
- return ret;
-}
-
-
-/*
- * Various firmware commands need the list of supported rates, but with
- * the hight-bit set for basic rates
- */
-static int lbs_add_rates(u8 *rates)
-{
- size_t i;
-
- for (i = 0; i < ARRAY_SIZE(lbs_rates); i++) {
- u8 rate = lbs_rates[i].bitrate / 5;
- if (rate == 0x02 || rate == 0x04 ||
- rate == 0x0b || rate == 0x16)
- rate |= 0x80;
- rates[i] = rate;
- }
- return ARRAY_SIZE(lbs_rates);
-}
-
-
-/***************************************************************************
- * TLV utility functions
- *
- * TLVs are Marvell specific. They are very similar to IEs, they have the
- * same structure: type, length, data*. The only difference: for IEs, the
- * type and length are u8, but for TLVs they're __le16.
- */
-
-
-/*
- * Add ssid TLV
- */
-#define LBS_MAX_SSID_TLV_SIZE \
- (sizeof(struct mrvl_ie_header) \
- + IEEE80211_MAX_SSID_LEN)
-
-static int lbs_add_ssid_tlv(u8 *tlv, const u8 *ssid, int ssid_len)
-{
- struct mrvl_ie_ssid_param_set *ssid_tlv = (void *)tlv;
-
- /*
- * TLV-ID SSID 00 00
- * length 06 00
- * ssid 4d 4e 54 45 53 54
- */
- ssid_tlv->header.type = cpu_to_le16(TLV_TYPE_SSID);
- ssid_tlv->header.len = cpu_to_le16(ssid_len);
- memcpy(ssid_tlv->ssid, ssid, ssid_len);
- return sizeof(ssid_tlv->header) + ssid_len;
-}
-
-
-/*
- * Add channel list TLV (section 8.4.2)
- *
- * Actual channel data comes from priv->wdev->wiphy->channels.
- */
-#define LBS_MAX_CHANNEL_LIST_TLV_SIZE \
- (sizeof(struct mrvl_ie_header) \
- + (LBS_SCAN_BEFORE_NAP * sizeof(struct chanscanparamset)))
-
-static int lbs_add_channel_list_tlv(struct lbs_private *priv, u8 *tlv,
- int last_channel, int active_scan)
-{
- int chanscanparamsize = sizeof(struct chanscanparamset) *
- (last_channel - priv->scan_channel);
-
- struct mrvl_ie_header *header = (void *) tlv;
-
- /*
- * TLV-ID CHANLIST 01 01
- * length 0e 00
- * channel 00 01 00 00 00 64 00
- * radio type 00
- * channel 01
- * scan type 00
- * min scan time 00 00
- * max scan time 64 00
- * channel 2 00 02 00 00 00 64 00
- *
- */
-
- header->type = cpu_to_le16(TLV_TYPE_CHANLIST);
- header->len = cpu_to_le16(chanscanparamsize);
- tlv += sizeof(struct mrvl_ie_header);
-
- /* lbs_deb_scan("scan: channels %d to %d\n", priv->scan_channel,
- last_channel); */
- memset(tlv, 0, chanscanparamsize);
-
- while (priv->scan_channel < last_channel) {
- struct chanscanparamset *param = (void *) tlv;
-
- param->radiotype = CMD_SCAN_RADIO_TYPE_BG;
- param->channumber =
- priv->scan_req->channels[priv->scan_channel]->hw_value;
- if (active_scan) {
- param->maxscantime = cpu_to_le16(LBS_DWELL_ACTIVE);
- } else {
- param->chanscanmode.passivescan = 1;
- param->maxscantime = cpu_to_le16(LBS_DWELL_PASSIVE);
- }
- tlv += sizeof(struct chanscanparamset);
- priv->scan_channel++;
- }
- return sizeof(struct mrvl_ie_header) + chanscanparamsize;
-}
-
-
-/*
- * Add rates TLV
- *
- * The rates are in lbs_bg_rates[], but for the 802.11b
- * rates the high bit is set. We add this TLV only because
- * there's a firmware which otherwise doesn't report all
- * APs in range.
- */
-#define LBS_MAX_RATES_TLV_SIZE \
- (sizeof(struct mrvl_ie_header) \
- + (ARRAY_SIZE(lbs_rates)))
-
-/* Adds a TLV with all rates the hardware supports */
-static int lbs_add_supported_rates_tlv(u8 *tlv)
-{
- size_t i;
- struct mrvl_ie_rates_param_set *rate_tlv = (void *)tlv;
-
- /*
- * TLV-ID RATES 01 00
- * length 0e 00
- * rates 82 84 8b 96 0c 12 18 24 30 48 60 6c
- */
- rate_tlv->header.type = cpu_to_le16(TLV_TYPE_RATES);
- tlv += sizeof(rate_tlv->header);
- i = lbs_add_rates(tlv);
- tlv += i;
- rate_tlv->header.len = cpu_to_le16(i);
- return sizeof(rate_tlv->header) + i;
-}
-
-/* Add common rates from a TLV and return the new end of the TLV */
-static u8 *
-add_ie_rates(u8 *tlv, const u8 *ie, int *nrates)
-{
- int hw, ap, ap_max = ie[1];
- u8 hw_rate;
-
- /* Advance past IE header */
- ie += 2;
-
- lbs_deb_hex(LBS_DEB_ASSOC, "AP IE Rates", (u8 *) ie, ap_max);
-
- for (hw = 0; hw < ARRAY_SIZE(lbs_rates); hw++) {
- hw_rate = lbs_rates[hw].bitrate / 5;
- for (ap = 0; ap < ap_max; ap++) {
- if (hw_rate == (ie[ap] & 0x7f)) {
- *tlv++ = ie[ap];
- *nrates = *nrates + 1;
- }
- }
- }
- return tlv;
-}
-
-/*
- * Adds a TLV with all rates the hardware *and* BSS supports.
- */
-static int lbs_add_common_rates_tlv(u8 *tlv, struct cfg80211_bss *bss)
-{
- struct mrvl_ie_rates_param_set *rate_tlv = (void *)tlv;
- const u8 *rates_eid, *ext_rates_eid;
- int n = 0;
-
- rcu_read_lock();
- rates_eid = ieee80211_bss_get_ie(bss, WLAN_EID_SUPP_RATES);
- ext_rates_eid = ieee80211_bss_get_ie(bss, WLAN_EID_EXT_SUPP_RATES);
-
- /*
- * 01 00 TLV_TYPE_RATES
- * 04 00 len
- * 82 84 8b 96 rates
- */
- rate_tlv->header.type = cpu_to_le16(TLV_TYPE_RATES);
- tlv += sizeof(rate_tlv->header);
-
- /* Add basic rates */
- if (rates_eid) {
- tlv = add_ie_rates(tlv, rates_eid, &n);
-
- /* Add extended rates, if any */
- if (ext_rates_eid)
- tlv = add_ie_rates(tlv, ext_rates_eid, &n);
- } else {
- lbs_deb_assoc("assoc: bss had no basic rate IE\n");
- /* Fallback: add basic 802.11b rates */
- *tlv++ = 0x82;
- *tlv++ = 0x84;
- *tlv++ = 0x8b;
- *tlv++ = 0x96;
- n = 4;
- }
- rcu_read_unlock();
-
- rate_tlv->header.len = cpu_to_le16(n);
- return sizeof(rate_tlv->header) + n;
-}
-
-
-/*
- * Add auth type TLV.
- *
- * This is only needed for newer firmware (V9 and up).
- */
-#define LBS_MAX_AUTH_TYPE_TLV_SIZE \
- sizeof(struct mrvl_ie_auth_type)
-
-static int lbs_add_auth_type_tlv(u8 *tlv, enum nl80211_auth_type auth_type)
-{
- struct mrvl_ie_auth_type *auth = (void *) tlv;
-
- /*
- * 1f 01 TLV_TYPE_AUTH_TYPE
- * 01 00 len
- * 01 auth type
- */
- auth->header.type = cpu_to_le16(TLV_TYPE_AUTH_TYPE);
- auth->header.len = cpu_to_le16(sizeof(*auth)-sizeof(auth->header));
- auth->auth = cpu_to_le16(lbs_auth_to_authtype(auth_type));
- return sizeof(*auth);
-}
-
-
-/*
- * Add channel (phy ds) TLV
- */
-#define LBS_MAX_CHANNEL_TLV_SIZE \
- sizeof(struct mrvl_ie_header)
-
-static int lbs_add_channel_tlv(u8 *tlv, u8 channel)
-{
- struct mrvl_ie_ds_param_set *ds = (void *) tlv;
-
- /*
- * 03 00 TLV_TYPE_PHY_DS
- * 01 00 len
- * 06 channel
- */
- ds->header.type = cpu_to_le16(TLV_TYPE_PHY_DS);
- ds->header.len = cpu_to_le16(sizeof(*ds)-sizeof(ds->header));
- ds->channel = channel;
- return sizeof(*ds);
-}
-
-
-/*
- * Add (empty) CF param TLV of the form:
- */
-#define LBS_MAX_CF_PARAM_TLV_SIZE \
- sizeof(struct mrvl_ie_header)
-
-static int lbs_add_cf_param_tlv(u8 *tlv)
-{
- struct mrvl_ie_cf_param_set *cf = (void *)tlv;
-
- /*
- * 04 00 TLV_TYPE_CF
- * 06 00 len
- * 00 cfpcnt
- * 00 cfpperiod
- * 00 00 cfpmaxduration
- * 00 00 cfpdurationremaining
- */
- cf->header.type = cpu_to_le16(TLV_TYPE_CF);
- cf->header.len = cpu_to_le16(sizeof(*cf)-sizeof(cf->header));
- return sizeof(*cf);
-}
-
-/*
- * Add WPA TLV
- */
-#define LBS_MAX_WPA_TLV_SIZE \
- (sizeof(struct mrvl_ie_header) \
- + 128 /* TODO: I guessed the size */)
-
-static int lbs_add_wpa_tlv(u8 *tlv, const u8 *ie, u8 ie_len)
-{
- size_t tlv_len;
-
- /*
- * We need just convert an IE to an TLV. IEs use u8 for the header,
- * u8 type
- * u8 len
- * u8[] data
- * but TLVs use __le16 instead:
- * __le16 type
- * __le16 len
- * u8[] data
- */
- *tlv++ = *ie++;
- *tlv++ = 0;
- tlv_len = *tlv++ = *ie++;
- *tlv++ = 0;
- while (tlv_len--)
- *tlv++ = *ie++;
- /* the TLV is two bytes larger than the IE */
- return ie_len + 2;
-}
-
-/*
- * Set Channel
- */
-
-static int lbs_cfg_set_monitor_channel(struct wiphy *wiphy,
- struct cfg80211_chan_def *chandef)
-{
- struct lbs_private *priv = wiphy_priv(wiphy);
- int ret = -ENOTSUPP;
-
- lbs_deb_enter_args(LBS_DEB_CFG80211, "freq %d, type %d",
- chandef->chan->center_freq,
- cfg80211_get_chandef_type(chandef));
-
- if (cfg80211_get_chandef_type(chandef) != NL80211_CHAN_NO_HT)
- goto out;
-
- ret = lbs_set_channel(priv, chandef->chan->hw_value);
-
- out:
- lbs_deb_leave_args(LBS_DEB_CFG80211, "ret %d", ret);
- return ret;
-}
-
-static int lbs_cfg_set_mesh_channel(struct wiphy *wiphy,
- struct net_device *netdev,
- struct ieee80211_channel *channel)
-{
- struct lbs_private *priv = wiphy_priv(wiphy);
- int ret = -ENOTSUPP;
-
- lbs_deb_enter_args(LBS_DEB_CFG80211, "iface %s freq %d",
- netdev_name(netdev), channel->center_freq);
-
- if (netdev != priv->mesh_dev)
- goto out;
-
- ret = lbs_mesh_set_channel(priv, channel->hw_value);
-
- out:
- lbs_deb_leave_args(LBS_DEB_CFG80211, "ret %d", ret);
- return ret;
-}
-
-
-
-/*
- * Scanning
- */
-
-/*
- * When scanning, the firmware doesn't send a nul packet with the power-safe
- * bit to the AP. So we cannot stay away from our current channel too long,
- * otherwise we loose data. So take a "nap" while scanning every other
- * while.
- */
-#define LBS_SCAN_BEFORE_NAP 4
-
-
-/*
- * When the firmware reports back a scan-result, it gives us an "u8 rssi",
- * which isn't really an RSSI, as it becomes larger when moving away from
- * the AP. Anyway, we need to convert that into mBm.
- */
-#define LBS_SCAN_RSSI_TO_MBM(rssi) \
- ((-(int)rssi + 3)*100)
-
-static int lbs_ret_scan(struct lbs_private *priv, unsigned long dummy,
- struct cmd_header *resp)
-{
- struct cfg80211_bss *bss;
- struct cmd_ds_802_11_scan_rsp *scanresp = (void *)resp;
- int bsssize;
- const u8 *pos;
- const u8 *tsfdesc;
- int tsfsize;
- int i;
- int ret = -EILSEQ;
-
- lbs_deb_enter(LBS_DEB_CFG80211);
-
- bsssize = get_unaligned_le16(&scanresp->bssdescriptsize);
-
- lbs_deb_scan("scan response: %d BSSs (%d bytes); resp size %d bytes\n",
- scanresp->nr_sets, bsssize, le16_to_cpu(resp->size));
-
- if (scanresp->nr_sets == 0) {
- ret = 0;
- goto done;
- }
-
- /*
- * The general layout of the scan response is described in chapter
- * 5.7.1. Basically we have a common part, then any number of BSS
- * descriptor sections. Finally we have section with the same number
- * of TSFs.
- *
- * cmd_ds_802_11_scan_rsp
- * cmd_header
- * pos_size
- * nr_sets
- * bssdesc 1
- * bssid
- * rssi
- * timestamp
- * intvl
- * capa
- * IEs
- * bssdesc 2
- * bssdesc n
- * MrvlIEtypes_TsfFimestamp_t
- * TSF for BSS 1
- * TSF for BSS 2
- * TSF for BSS n
- */
-
- pos = scanresp->bssdesc_and_tlvbuffer;
-
- lbs_deb_hex(LBS_DEB_SCAN, "SCAN_RSP", scanresp->bssdesc_and_tlvbuffer,
- scanresp->bssdescriptsize);
-
- tsfdesc = pos + bsssize;
- tsfsize = 4 + 8 * scanresp->nr_sets;
- lbs_deb_hex(LBS_DEB_SCAN, "SCAN_TSF", (u8 *) tsfdesc, tsfsize);
-
- /* Validity check: we expect a Marvell-Local TLV */
- i = get_unaligned_le16(tsfdesc);
- tsfdesc += 2;
- if (i != TLV_TYPE_TSFTIMESTAMP) {
- lbs_deb_scan("scan response: invalid TSF Timestamp %d\n", i);
- goto done;
- }
-
- /*
- * Validity check: the TLV holds TSF values with 8 bytes each, so
- * the size in the TLV must match the nr_sets value
- */
- i = get_unaligned_le16(tsfdesc);
- tsfdesc += 2;
- if (i / 8 != scanresp->nr_sets) {
- lbs_deb_scan("scan response: invalid number of TSF timestamp "
- "sets (expected %d got %d)\n", scanresp->nr_sets,
- i / 8);
- goto done;
- }
-
- for (i = 0; i < scanresp->nr_sets; i++) {
- const u8 *bssid;
- const u8 *ie;
- int left;
- int ielen;
- int rssi;
- u16 intvl;
- u16 capa;
- int chan_no = -1;
- const u8 *ssid = NULL;
- u8 ssid_len = 0;
-
- int len = get_unaligned_le16(pos);
- pos += 2;
-
- /* BSSID */
- bssid = pos;
- pos += ETH_ALEN;
- /* RSSI */
- rssi = *pos++;
- /* Packet time stamp */
- pos += 8;
- /* Beacon interval */
- intvl = get_unaligned_le16(pos);
- pos += 2;
- /* Capabilities */
- capa = get_unaligned_le16(pos);
- pos += 2;
-
- /* To find out the channel, we must parse the IEs */
- ie = pos;
- /*
- * 6+1+8+2+2: size of BSSID, RSSI, time stamp, beacon
- * interval, capabilities
- */
- ielen = left = len - (6 + 1 + 8 + 2 + 2);
- while (left >= 2) {
- u8 id, elen;
- id = *pos++;
- elen = *pos++;
- left -= 2;
- if (elen > left) {
- lbs_deb_scan("scan response: invalid IE fmt\n");
- goto done;
- }
-
- if (id == WLAN_EID_DS_PARAMS)
- chan_no = *pos;
- if (id == WLAN_EID_SSID) {
- ssid = pos;
- ssid_len = elen;
- }
- left -= elen;
- pos += elen;
- }
-
- /* No channel, no luck */
- if (chan_no != -1) {
- struct wiphy *wiphy = priv->wdev->wiphy;
- int freq = ieee80211_channel_to_frequency(chan_no,
- IEEE80211_BAND_2GHZ);
- struct ieee80211_channel *channel =
- ieee80211_get_channel(wiphy, freq);
-
- lbs_deb_scan("scan: %pM, capa %04x, chan %2d, %*pE, %d dBm\n",
- bssid, capa, chan_no, ssid_len, ssid,
- LBS_SCAN_RSSI_TO_MBM(rssi)/100);
-
- if (channel &&
- !(channel->flags & IEEE80211_CHAN_DISABLED)) {
- bss = cfg80211_inform_bss(wiphy, channel,
- CFG80211_BSS_FTYPE_UNKNOWN,
- bssid, get_unaligned_le64(tsfdesc),
- capa, intvl, ie, ielen,
- LBS_SCAN_RSSI_TO_MBM(rssi),
- GFP_KERNEL);
- cfg80211_put_bss(wiphy, bss);
- }
- } else
- lbs_deb_scan("scan response: missing BSS channel IE\n");
-
- tsfdesc += 8;
- }
- ret = 0;
-
- done:
- lbs_deb_leave_args(LBS_DEB_SCAN, "ret %d", ret);
- return ret;
-}
-
-
-/*
- * Our scan command contains a TLV, consting of a SSID TLV, a channel list
- * TLV and a rates TLV. Determine the maximum size of them:
- */
-#define LBS_SCAN_MAX_CMD_SIZE \
- (sizeof(struct cmd_ds_802_11_scan) \
- + LBS_MAX_SSID_TLV_SIZE \
- + LBS_MAX_CHANNEL_LIST_TLV_SIZE \
- + LBS_MAX_RATES_TLV_SIZE)
-
-/*
- * Assumes priv->scan_req is initialized and valid
- * Assumes priv->scan_channel is initialized
- */
-static void lbs_scan_worker(struct work_struct *work)
-{
- struct lbs_private *priv =
- container_of(work, struct lbs_private, scan_work.work);
- struct cmd_ds_802_11_scan *scan_cmd;
- u8 *tlv; /* pointer into our current, growing TLV storage area */
- int last_channel;
- int running, carrier;
-
- lbs_deb_enter(LBS_DEB_SCAN);
-
- scan_cmd = kzalloc(LBS_SCAN_MAX_CMD_SIZE, GFP_KERNEL);
- if (scan_cmd == NULL)
- goto out_no_scan_cmd;
-
- /* prepare fixed part of scan command */
- scan_cmd->bsstype = CMD_BSS_TYPE_ANY;
-
- /* stop network while we're away from our main channel */
- running = !netif_queue_stopped(priv->dev);
- carrier = netif_carrier_ok(priv->dev);
- if (running)
- netif_stop_queue(priv->dev);
- if (carrier)
- netif_carrier_off(priv->dev);
-
- /* prepare fixed part of scan command */
- tlv = scan_cmd->tlvbuffer;
-
- /* add SSID TLV */
- if (priv->scan_req->n_ssids && priv->scan_req->ssids[0].ssid_len > 0)
- tlv += lbs_add_ssid_tlv(tlv,
- priv->scan_req->ssids[0].ssid,
- priv->scan_req->ssids[0].ssid_len);
-
- /* add channel TLVs */
- last_channel = priv->scan_channel + LBS_SCAN_BEFORE_NAP;
- if (last_channel > priv->scan_req->n_channels)
- last_channel = priv->scan_req->n_channels;
- tlv += lbs_add_channel_list_tlv(priv, tlv, last_channel,
- priv->scan_req->n_ssids);
-
- /* add rates TLV */
- tlv += lbs_add_supported_rates_tlv(tlv);
-
- if (priv->scan_channel < priv->scan_req->n_channels) {
- cancel_delayed_work(&priv->scan_work);
- if (netif_running(priv->dev))
- queue_delayed_work(priv->work_thread, &priv->scan_work,
- msecs_to_jiffies(300));
- }
-
- /* This is the final data we are about to send */
- scan_cmd->hdr.size = cpu_to_le16(tlv - (u8 *)scan_cmd);
- lbs_deb_hex(LBS_DEB_SCAN, "SCAN_CMD", (void *)scan_cmd,
- sizeof(*scan_cmd));
- lbs_deb_hex(LBS_DEB_SCAN, "SCAN_TLV", scan_cmd->tlvbuffer,
- tlv - scan_cmd->tlvbuffer);
-
- __lbs_cmd(priv, CMD_802_11_SCAN, &scan_cmd->hdr,
- le16_to_cpu(scan_cmd->hdr.size),
- lbs_ret_scan, 0);
-
- if (priv->scan_channel >= priv->scan_req->n_channels) {
- /* Mark scan done */
- cancel_delayed_work(&priv->scan_work);
- lbs_scan_done(priv);
- }
-
- /* Restart network */
- if (carrier)
- netif_carrier_on(priv->dev);
- if (running && !priv->tx_pending_len)
- netif_wake_queue(priv->dev);
-
- kfree(scan_cmd);
-
- /* Wake up anything waiting on scan completion */
- if (priv->scan_req == NULL) {
- lbs_deb_scan("scan: waking up waiters\n");
- wake_up_all(&priv->scan_q);
- }
-
- out_no_scan_cmd:
- lbs_deb_leave(LBS_DEB_SCAN);
-}
-
-static void _internal_start_scan(struct lbs_private *priv, bool internal,
- struct cfg80211_scan_request *request)
-{
- lbs_deb_enter(LBS_DEB_CFG80211);
-
- lbs_deb_scan("scan: ssids %d, channels %d, ie_len %zd\n",
- request->n_ssids, request->n_channels, request->ie_len);
-
- priv->scan_channel = 0;
- priv->scan_req = request;
- priv->internal_scan = internal;
-
- queue_delayed_work(priv->work_thread, &priv->scan_work,
- msecs_to_jiffies(50));
-
- lbs_deb_leave(LBS_DEB_CFG80211);
-}
-
-/*
- * Clean up priv->scan_req. Should be used to handle the allocation details.
- */
-void lbs_scan_done(struct lbs_private *priv)
-{
- WARN_ON(!priv->scan_req);
-
- if (priv->internal_scan)
- kfree(priv->scan_req);
- else
- cfg80211_scan_done(priv->scan_req, false);
-
- priv->scan_req = NULL;
-}
-
-static int lbs_cfg_scan(struct wiphy *wiphy,
- struct cfg80211_scan_request *request)
-{
- struct lbs_private *priv = wiphy_priv(wiphy);
- int ret = 0;
-
- lbs_deb_enter(LBS_DEB_CFG80211);
-
- if (priv->scan_req || delayed_work_pending(&priv->scan_work)) {
- /* old scan request not yet processed */
- ret = -EAGAIN;
- goto out;
- }
-
- _internal_start_scan(priv, false, request);
-
- if (priv->surpriseremoved)
- ret = -EIO;
-
- out:
- lbs_deb_leave_args(LBS_DEB_CFG80211, "ret %d", ret);
- return ret;
-}
-
-
-
-
-/*
- * Events
- */
-
-void lbs_send_disconnect_notification(struct lbs_private *priv,
- bool locally_generated)
-{
- lbs_deb_enter(LBS_DEB_CFG80211);
-
- cfg80211_disconnected(priv->dev, 0, NULL, 0, locally_generated,
- GFP_KERNEL);
-
- lbs_deb_leave(LBS_DEB_CFG80211);
-}
-
-void lbs_send_mic_failureevent(struct lbs_private *priv, u32 event)
-{
- lbs_deb_enter(LBS_DEB_CFG80211);
-
- cfg80211_michael_mic_failure(priv->dev,
- priv->assoc_bss,
- event == MACREG_INT_CODE_MIC_ERR_MULTICAST ?
- NL80211_KEYTYPE_GROUP :
- NL80211_KEYTYPE_PAIRWISE,
- -1,
- NULL,
- GFP_KERNEL);
-
- lbs_deb_leave(LBS_DEB_CFG80211);
-}
-
-
-
-
-/*
- * Connect/disconnect
- */
-
-
-/*
- * This removes all WEP keys
- */
-static int lbs_remove_wep_keys(struct lbs_private *priv)
-{
- struct cmd_ds_802_11_set_wep cmd;
- int ret;
-
- lbs_deb_enter(LBS_DEB_CFG80211);
-
- memset(&cmd, 0, sizeof(cmd));
- cmd.hdr.size = cpu_to_le16(sizeof(cmd));
- cmd.keyindex = cpu_to_le16(priv->wep_tx_key);
- cmd.action = cpu_to_le16(CMD_ACT_REMOVE);
-
- ret = lbs_cmd_with_response(priv, CMD_802_11_SET_WEP, &cmd);
-
- lbs_deb_leave(LBS_DEB_CFG80211);
- return ret;
-}
-
-/*
- * Set WEP keys
- */
-static int lbs_set_wep_keys(struct lbs_private *priv)
-{
- struct cmd_ds_802_11_set_wep cmd;
- int i;
- int ret;
-
- lbs_deb_enter(LBS_DEB_CFG80211);
-
- /*
- * command 13 00
- * size 50 00
- * sequence xx xx
- * result 00 00
- * action 02 00 ACT_ADD
- * transmit key 00 00
- * type for key 1 01 WEP40
- * type for key 2 00
- * type for key 3 00
- * type for key 4 00
- * key 1 39 39 39 39 39 00 00 00
- * 00 00 00 00 00 00 00 00
- * key 2 00 00 00 00 00 00 00 00
- * 00 00 00 00 00 00 00 00
- * key 3 00 00 00 00 00 00 00 00
- * 00 00 00 00 00 00 00 00
- * key 4 00 00 00 00 00 00 00 00
- */
- if (priv->wep_key_len[0] || priv->wep_key_len[1] ||
- priv->wep_key_len[2] || priv->wep_key_len[3]) {
- /* Only set wep keys if we have at least one of them */
- memset(&cmd, 0, sizeof(cmd));
- cmd.hdr.size = cpu_to_le16(sizeof(cmd));
- cmd.keyindex = cpu_to_le16(priv->wep_tx_key);
- cmd.action = cpu_to_le16(CMD_ACT_ADD);
-
- for (i = 0; i < 4; i++) {
- switch (priv->wep_key_len[i]) {
- case WLAN_KEY_LEN_WEP40:
- cmd.keytype[i] = CMD_TYPE_WEP_40_BIT;
- break;
- case WLAN_KEY_LEN_WEP104:
- cmd.keytype[i] = CMD_TYPE_WEP_104_BIT;
- break;
- default:
- cmd.keytype[i] = 0;
- break;
- }
- memcpy(cmd.keymaterial[i], priv->wep_key[i],
- priv->wep_key_len[i]);
- }
-
- ret = lbs_cmd_with_response(priv, CMD_802_11_SET_WEP, &cmd);
- } else {
- /* Otherwise remove all wep keys */
- ret = lbs_remove_wep_keys(priv);
- }
-
- lbs_deb_leave(LBS_DEB_CFG80211);
- return ret;
-}
-
-
-/*
- * Enable/Disable RSN status
- */
-static int lbs_enable_rsn(struct lbs_private *priv, int enable)
-{
- struct cmd_ds_802_11_enable_rsn cmd;
- int ret;
-
- lbs_deb_enter_args(LBS_DEB_CFG80211, "%d", enable);
-
- /*
- * cmd 2f 00
- * size 0c 00
- * sequence xx xx
- * result 00 00
- * action 01 00 ACT_SET
- * enable 01 00
- */
- memset(&cmd, 0, sizeof(cmd));
- cmd.hdr.size = cpu_to_le16(sizeof(cmd));
- cmd.action = cpu_to_le16(CMD_ACT_SET);
- cmd.enable = cpu_to_le16(enable);
-
- ret = lbs_cmd_with_response(priv, CMD_802_11_ENABLE_RSN, &cmd);
-
- lbs_deb_leave(LBS_DEB_CFG80211);
- return ret;
-}
-
-
-/*
- * Set WPA/WPA key material
- */
-
-/*
- * like "struct cmd_ds_802_11_key_material", but with cmd_header. Once we
- * get rid of WEXT, this should go into host.h
- */
-
-struct cmd_key_material {
- struct cmd_header hdr;
-
- __le16 action;
- struct MrvlIEtype_keyParamSet param;
-} __packed;
-
-static int lbs_set_key_material(struct lbs_private *priv,
- int key_type, int key_info,
- const u8 *key, u16 key_len)
-{
- struct cmd_key_material cmd;
- int ret;
-
- lbs_deb_enter(LBS_DEB_CFG80211);
-
- /*
- * Example for WPA (TKIP):
- *
- * cmd 5e 00
- * size 34 00
- * sequence xx xx
- * result 00 00
- * action 01 00
- * TLV type 00 01 key param
- * length 00 26
- * key type 01 00 TKIP
- * key info 06 00 UNICAST | ENABLED
- * key len 20 00
- * key 32 bytes
- */
- memset(&cmd, 0, sizeof(cmd));
- cmd.hdr.size = cpu_to_le16(sizeof(cmd));
- cmd.action = cpu_to_le16(CMD_ACT_SET);
- cmd.param.type = cpu_to_le16(TLV_TYPE_KEY_MATERIAL);
- cmd.param.length = cpu_to_le16(sizeof(cmd.param) - 4);
- cmd.param.keytypeid = cpu_to_le16(key_type);
- cmd.param.keyinfo = cpu_to_le16(key_info);
- cmd.param.keylen = cpu_to_le16(key_len);
- if (key && key_len)
- memcpy(cmd.param.key, key, key_len);
-
- ret = lbs_cmd_with_response(priv, CMD_802_11_KEY_MATERIAL, &cmd);
-
- lbs_deb_leave(LBS_DEB_CFG80211);
- return ret;
-}
-
-
-/*
- * Sets the auth type (open, shared, etc) in the firmware. That
- * we use CMD_802_11_AUTHENTICATE is misleading, this firmware
- * command doesn't send an authentication frame at all, it just
- * stores the auth_type.
- */
-static int lbs_set_authtype(struct lbs_private *priv,
- struct cfg80211_connect_params *sme)
-{
- struct cmd_ds_802_11_authenticate cmd;
- int ret;
-
- lbs_deb_enter_args(LBS_DEB_CFG80211, "%d", sme->auth_type);
-
- /*
- * cmd 11 00
- * size 19 00
- * sequence xx xx
- * result 00 00
- * BSS id 00 13 19 80 da 30
- * auth type 00
- * reserved 00 00 00 00 00 00 00 00 00 00
- */
- memset(&cmd, 0, sizeof(cmd));
- cmd.hdr.size = cpu_to_le16(sizeof(cmd));
- if (sme->bssid)
- memcpy(cmd.bssid, sme->bssid, ETH_ALEN);
- /* convert auth_type */
- ret = lbs_auth_to_authtype(sme->auth_type);
- if (ret < 0)
- goto done;
-
- cmd.authtype = ret;
- ret = lbs_cmd_with_response(priv, CMD_802_11_AUTHENTICATE, &cmd);
-
- done:
- lbs_deb_leave_args(LBS_DEB_CFG80211, "ret %d", ret);
- return ret;
-}
-
-
-/*
- * Create association request
- */
-#define LBS_ASSOC_MAX_CMD_SIZE \
- (sizeof(struct cmd_ds_802_11_associate) \
- - 512 /* cmd_ds_802_11_associate.iebuf */ \
- + LBS_MAX_SSID_TLV_SIZE \
- + LBS_MAX_CHANNEL_TLV_SIZE \
- + LBS_MAX_CF_PARAM_TLV_SIZE \
- + LBS_MAX_AUTH_TYPE_TLV_SIZE \
- + LBS_MAX_WPA_TLV_SIZE)
-
-static int lbs_associate(struct lbs_private *priv,
- struct cfg80211_bss *bss,
- struct cfg80211_connect_params *sme)
-{
- struct cmd_ds_802_11_associate_response *resp;
- struct cmd_ds_802_11_associate *cmd = kzalloc(LBS_ASSOC_MAX_CMD_SIZE,
- GFP_KERNEL);
- const u8 *ssid_eid;
- size_t len, resp_ie_len;
- int status;
- int ret;
- u8 *pos = &(cmd->iebuf[0]);
- u8 *tmp;
-
- lbs_deb_enter(LBS_DEB_CFG80211);
-
- if (!cmd) {
- ret = -ENOMEM;
- goto done;
- }
-
- /*
- * cmd 50 00
- * length 34 00
- * sequence xx xx
- * result 00 00
- * BSS id 00 13 19 80 da 30
- * capabilities 11 00
- * listen interval 0a 00
- * beacon interval 00 00
- * DTIM period 00
- * TLVs xx (up to 512 bytes)
- */
- cmd->hdr.command = cpu_to_le16(CMD_802_11_ASSOCIATE);
-
- /* Fill in static fields */
- memcpy(cmd->bssid, bss->bssid, ETH_ALEN);
- cmd->listeninterval = cpu_to_le16(MRVDRV_DEFAULT_LISTEN_INTERVAL);
- cmd->capability = cpu_to_le16(bss->capability);
-
- /* add SSID TLV */
- rcu_read_lock();
- ssid_eid = ieee80211_bss_get_ie(bss, WLAN_EID_SSID);
- if (ssid_eid)
- pos += lbs_add_ssid_tlv(pos, ssid_eid + 2, ssid_eid[1]);
- else
- lbs_deb_assoc("no SSID\n");
- rcu_read_unlock();
-
- /* add DS param TLV */
- if (bss->channel)
- pos += lbs_add_channel_tlv(pos, bss->channel->hw_value);
- else
- lbs_deb_assoc("no channel\n");
-
- /* add (empty) CF param TLV */
- pos += lbs_add_cf_param_tlv(pos);
-
- /* add rates TLV */
- tmp = pos + 4; /* skip Marvell IE header */
- pos += lbs_add_common_rates_tlv(pos, bss);
- lbs_deb_hex(LBS_DEB_ASSOC, "Common Rates", tmp, pos - tmp);
-
- /* add auth type TLV */
- if (MRVL_FW_MAJOR_REV(priv->fwrelease) >= 9)
- pos += lbs_add_auth_type_tlv(pos, sme->auth_type);
-
- /* add WPA/WPA2 TLV */
- if (sme->ie && sme->ie_len)
- pos += lbs_add_wpa_tlv(pos, sme->ie, sme->ie_len);
-
- len = (sizeof(*cmd) - sizeof(cmd->iebuf)) +
- (u16)(pos - (u8 *) &cmd->iebuf);
- cmd->hdr.size = cpu_to_le16(len);
-
- lbs_deb_hex(LBS_DEB_ASSOC, "ASSOC_CMD", (u8 *) cmd,
- le16_to_cpu(cmd->hdr.size));
-
- /* store for later use */
- memcpy(priv->assoc_bss, bss->bssid, ETH_ALEN);
-
- ret = lbs_cmd_with_response(priv, CMD_802_11_ASSOCIATE, cmd);
- if (ret)
- goto done;
-
- /* generate connect message to cfg80211 */
-
- resp = (void *) cmd; /* recast for easier field access */
- status = le16_to_cpu(resp->statuscode);
-
- /* Older FW versions map the IEEE 802.11 Status Code in the association
- * response to the following values returned in resp->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)
- */
- if (MRVL_FW_MAJOR_REV(priv->fwrelease) <= 8) {
- switch (status) {
- case 0:
- break;
- case 1:
- lbs_deb_assoc("invalid association parameters\n");
- status = WLAN_STATUS_CAPS_UNSUPPORTED;
- break;
- case 2:
- lbs_deb_assoc("timer expired while waiting for AP\n");
- status = WLAN_STATUS_AUTH_TIMEOUT;
- break;
- case 3:
- lbs_deb_assoc("association refused by AP\n");
- status = WLAN_STATUS_ASSOC_DENIED_UNSPEC;
- break;
- case 4:
- lbs_deb_assoc("authentication refused by AP\n");
- status = WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION;
- break;
- default:
- lbs_deb_assoc("association failure %d\n", status);
- /* v5 OLPC firmware does return the AP status code if
- * it's not one of the values above. Let that through.
- */
- break;
- }
- }
-
- lbs_deb_assoc("status %d, statuscode 0x%04x, capability 0x%04x, "
- "aid 0x%04x\n", status, le16_to_cpu(resp->statuscode),
- le16_to_cpu(resp->capability), le16_to_cpu(resp->aid));
-
- resp_ie_len = le16_to_cpu(resp->hdr.size)
- - sizeof(resp->hdr)
- - 6;
- cfg80211_connect_result(priv->dev,
- priv->assoc_bss,
- sme->ie, sme->ie_len,
- resp->iebuf, resp_ie_len,
- status,
- GFP_KERNEL);
-
- if (status == 0) {
- /* TODO: get rid of priv->connect_status */
- priv->connect_status = LBS_CONNECTED;
- netif_carrier_on(priv->dev);
- if (!priv->tx_pending_len)
- netif_tx_wake_all_queues(priv->dev);
- }
-
- kfree(cmd);
-done:
- lbs_deb_leave_args(LBS_DEB_CFG80211, "ret %d", ret);
- return ret;
-}
-
-static struct cfg80211_scan_request *
-_new_connect_scan_req(struct wiphy *wiphy, struct cfg80211_connect_params *sme)
-{
- struct cfg80211_scan_request *creq = NULL;
- int i, n_channels = ieee80211_get_num_supported_channels(wiphy);
- enum ieee80211_band band;
-
- creq = kzalloc(sizeof(*creq) + sizeof(struct cfg80211_ssid) +
- n_channels * sizeof(void *),
- GFP_ATOMIC);
- if (!creq)
- return NULL;
-
- /* SSIDs come after channels */
- creq->ssids = (void *)&creq->channels[n_channels];
- creq->n_channels = n_channels;
- creq->n_ssids = 1;
-
- /* Scan all available channels */
- i = 0;
- for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
- int j;
-
- if (!wiphy->bands[band])
- continue;
-
- for (j = 0; j < wiphy->bands[band]->n_channels; j++) {
- /* ignore disabled channels */
- if (wiphy->bands[band]->channels[j].flags &
- IEEE80211_CHAN_DISABLED)
- continue;
-
- creq->channels[i] = &wiphy->bands[band]->channels[j];
- i++;
- }
- }
- if (i) {
- /* Set real number of channels specified in creq->channels[] */
- creq->n_channels = i;
-
- /* Scan for the SSID we're going to connect to */
- memcpy(creq->ssids[0].ssid, sme->ssid, sme->ssid_len);
- creq->ssids[0].ssid_len = sme->ssid_len;
- } else {
- /* No channels found... */
- kfree(creq);
- creq = NULL;
- }
-
- return creq;
-}
-
-static int lbs_cfg_connect(struct wiphy *wiphy, struct net_device *dev,
- struct cfg80211_connect_params *sme)
-{
- struct lbs_private *priv = wiphy_priv(wiphy);
- struct cfg80211_bss *bss = NULL;
- int ret = 0;
- u8 preamble = RADIO_PREAMBLE_SHORT;
-
- if (dev == priv->mesh_dev)
- return -EOPNOTSUPP;
-
- lbs_deb_enter(LBS_DEB_CFG80211);
-
- if (!sme->bssid) {
- struct cfg80211_scan_request *creq;
-
- /*
- * Scan for the requested network after waiting for existing
- * scans to finish.
- */
- lbs_deb_assoc("assoc: waiting for existing scans\n");
- wait_event_interruptible_timeout(priv->scan_q,
- (priv->scan_req == NULL),
- (15 * HZ));
-
- creq = _new_connect_scan_req(wiphy, sme);
- if (!creq) {
- ret = -EINVAL;
- goto done;
- }
-
- lbs_deb_assoc("assoc: scanning for compatible AP\n");
- _internal_start_scan(priv, true, creq);
-
- lbs_deb_assoc("assoc: waiting for scan to complete\n");
- wait_event_interruptible_timeout(priv->scan_q,
- (priv->scan_req == NULL),
- (15 * HZ));
- lbs_deb_assoc("assoc: scanning completed\n");
- }
-
- /* Find the BSS we want using available scan results */
- bss = cfg80211_get_bss(wiphy, sme->channel, sme->bssid,
- sme->ssid, sme->ssid_len, IEEE80211_BSS_TYPE_ESS,
- IEEE80211_PRIVACY_ANY);
- if (!bss) {
- wiphy_err(wiphy, "assoc: bss %pM not in scan results\n",
- sme->bssid);
- ret = -ENOENT;
- goto done;
- }
- lbs_deb_assoc("trying %pM\n", bss->bssid);
- lbs_deb_assoc("cipher 0x%x, key index %d, key len %d\n",
- sme->crypto.cipher_group,
- sme->key_idx, sme->key_len);
-
- /* As this is a new connection, clear locally stored WEP keys */
- priv->wep_tx_key = 0;
- memset(priv->wep_key, 0, sizeof(priv->wep_key));
- memset(priv->wep_key_len, 0, sizeof(priv->wep_key_len));
-
- /* set/remove WEP keys */
- switch (sme->crypto.cipher_group) {
- case WLAN_CIPHER_SUITE_WEP40:
- case WLAN_CIPHER_SUITE_WEP104:
- /* Store provided WEP keys in priv-> */
- priv->wep_tx_key = sme->key_idx;
- priv->wep_key_len[sme->key_idx] = sme->key_len;
- memcpy(priv->wep_key[sme->key_idx], sme->key, sme->key_len);
- /* Set WEP keys and WEP mode */
- lbs_set_wep_keys(priv);
- priv->mac_control |= CMD_ACT_MAC_WEP_ENABLE;
- lbs_set_mac_control(priv);
- /* No RSN mode for WEP */
- lbs_enable_rsn(priv, 0);
- break;
- case 0: /* there's no WLAN_CIPHER_SUITE_NONE definition */
- /*
- * If we don't have no WEP, no WPA and no WPA2,
- * we remove all keys like in the WPA/WPA2 setup,
- * we just don't set RSN.
- *
- * Therefore: fall-through
- */
- case WLAN_CIPHER_SUITE_TKIP:
- case WLAN_CIPHER_SUITE_CCMP:
- /* Remove WEP keys and WEP mode */
- lbs_remove_wep_keys(priv);
- priv->mac_control &= ~CMD_ACT_MAC_WEP_ENABLE;
- lbs_set_mac_control(priv);
-
- /* clear the WPA/WPA2 keys */
- lbs_set_key_material(priv,
- KEY_TYPE_ID_WEP, /* doesn't matter */
- KEY_INFO_WPA_UNICAST,
- NULL, 0);
- lbs_set_key_material(priv,
- KEY_TYPE_ID_WEP, /* doesn't matter */
- KEY_INFO_WPA_MCAST,
- NULL, 0);
- /* RSN mode for WPA/WPA2 */
- lbs_enable_rsn(priv, sme->crypto.cipher_group != 0);
- break;
- default:
- wiphy_err(wiphy, "unsupported cipher group 0x%x\n",
- sme->crypto.cipher_group);
- ret = -ENOTSUPP;
- goto done;
- }
-
- ret = lbs_set_authtype(priv, sme);
- if (ret == -ENOTSUPP) {
- wiphy_err(wiphy, "unsupported authtype 0x%x\n", sme->auth_type);
- goto done;
- }
-
- lbs_set_radio(priv, preamble, 1);
-
- /* Do the actual association */
- ret = lbs_associate(priv, bss, sme);
-
- done:
- if (bss)
- cfg80211_put_bss(wiphy, bss);
- lbs_deb_leave_args(LBS_DEB_CFG80211, "ret %d", ret);
- return ret;
-}
-
-int lbs_disconnect(struct lbs_private *priv, u16 reason)
-{
- struct cmd_ds_802_11_deauthenticate cmd;
- int ret;
-
- memset(&cmd, 0, sizeof(cmd));
- cmd.hdr.size = cpu_to_le16(sizeof(cmd));
- /* Mildly ugly to use a locally store my own BSSID ... */
- memcpy(cmd.macaddr, &priv->assoc_bss, ETH_ALEN);
- cmd.reasoncode = cpu_to_le16(reason);
-
- ret = lbs_cmd_with_response(priv, CMD_802_11_DEAUTHENTICATE, &cmd);
- if (ret)
- return ret;
-
- cfg80211_disconnected(priv->dev,
- reason,
- NULL, 0, true,
- GFP_KERNEL);
- priv->connect_status = LBS_DISCONNECTED;
-
- return 0;
-}
-
-static int lbs_cfg_disconnect(struct wiphy *wiphy, struct net_device *dev,
- u16 reason_code)
-{
- struct lbs_private *priv = wiphy_priv(wiphy);
-
- if (dev == priv->mesh_dev)
- return -EOPNOTSUPP;
-
- lbs_deb_enter_args(LBS_DEB_CFG80211, "reason_code %d", reason_code);
-
- /* store for lbs_cfg_ret_disconnect() */
- priv->disassoc_reason = reason_code;
-
- return lbs_disconnect(priv, reason_code);
-}
-
-static int lbs_cfg_set_default_key(struct wiphy *wiphy,
- struct net_device *netdev,
- u8 key_index, bool unicast,
- bool multicast)
-{
- struct lbs_private *priv = wiphy_priv(wiphy);
-
- if (netdev == priv->mesh_dev)
- return -EOPNOTSUPP;
-
- lbs_deb_enter(LBS_DEB_CFG80211);
-
- if (key_index != priv->wep_tx_key) {
- lbs_deb_assoc("set_default_key: to %d\n", key_index);
- priv->wep_tx_key = key_index;
- lbs_set_wep_keys(priv);
- }
-
- return 0;
-}
-
-
-static int lbs_cfg_add_key(struct wiphy *wiphy, struct net_device *netdev,
- u8 idx, bool pairwise, const u8 *mac_addr,
- struct key_params *params)
-{
- struct lbs_private *priv = wiphy_priv(wiphy);
- u16 key_info;
- u16 key_type;
- int ret = 0;
-
- if (netdev == priv->mesh_dev)
- return -EOPNOTSUPP;
-
- lbs_deb_enter(LBS_DEB_CFG80211);
-
- lbs_deb_assoc("add_key: cipher 0x%x, mac_addr %pM\n",
- params->cipher, mac_addr);
- lbs_deb_assoc("add_key: key index %d, key len %d\n",
- idx, params->key_len);
- if (params->key_len)
- lbs_deb_hex(LBS_DEB_CFG80211, "KEY",
- params->key, params->key_len);
-
- lbs_deb_assoc("add_key: seq len %d\n", params->seq_len);
- if (params->seq_len)
- lbs_deb_hex(LBS_DEB_CFG80211, "SEQ",
- params->seq, params->seq_len);
-
- switch (params->cipher) {
- case WLAN_CIPHER_SUITE_WEP40:
- case WLAN_CIPHER_SUITE_WEP104:
- /* actually compare if something has changed ... */
- if ((priv->wep_key_len[idx] != params->key_len) ||
- memcmp(priv->wep_key[idx],
- params->key, params->key_len) != 0) {
- priv->wep_key_len[idx] = params->key_len;
- memcpy(priv->wep_key[idx],
- params->key, params->key_len);
- lbs_set_wep_keys(priv);
- }
- break;
- case WLAN_CIPHER_SUITE_TKIP:
- case WLAN_CIPHER_SUITE_CCMP:
- key_info = KEY_INFO_WPA_ENABLED | ((idx == 0)
- ? KEY_INFO_WPA_UNICAST
- : KEY_INFO_WPA_MCAST);
- key_type = (params->cipher == WLAN_CIPHER_SUITE_TKIP)
- ? KEY_TYPE_ID_TKIP
- : KEY_TYPE_ID_AES;
- lbs_set_key_material(priv,
- key_type,
- key_info,
- params->key, params->key_len);
- break;
- default:
- wiphy_err(wiphy, "unhandled cipher 0x%x\n", params->cipher);
- ret = -ENOTSUPP;
- break;
- }
-
- return ret;
-}
-
-
-static int lbs_cfg_del_key(struct wiphy *wiphy, struct net_device *netdev,
- u8 key_index, bool pairwise, const u8 *mac_addr)
-{
-
- lbs_deb_enter(LBS_DEB_CFG80211);
-
- lbs_deb_assoc("del_key: key_idx %d, mac_addr %pM\n",
- key_index, mac_addr);
-
-#ifdef TODO
- struct lbs_private *priv = wiphy_priv(wiphy);
- /*
- * I think can keep this a NO-OP, because:
-
- * - we clear all keys whenever we do lbs_cfg_connect() anyway
- * - neither "iw" nor "wpa_supplicant" won't call this during
- * an ongoing connection
- * - TODO: but I have to check if this is still true when
- * I set the AP to periodic re-keying
- * - we've not kzallec() something when we've added a key at
- * lbs_cfg_connect() or lbs_cfg_add_key().
- *
- * This causes lbs_cfg_del_key() only called at disconnect time,
- * where we'd just waste time deleting a key that is not going
- * to be used anyway.
- */
- if (key_index < 3 && priv->wep_key_len[key_index]) {
- priv->wep_key_len[key_index] = 0;
- lbs_set_wep_keys(priv);
- }
-#endif
-
- return 0;
-}
-
-
-/*
- * Get station
- */
-
-static int lbs_cfg_get_station(struct wiphy *wiphy, struct net_device *dev,
- const u8 *mac, struct station_info *sinfo)
-{
- struct lbs_private *priv = wiphy_priv(wiphy);
- s8 signal, noise;
- int ret;
- size_t i;
-
- lbs_deb_enter(LBS_DEB_CFG80211);
-
- sinfo->filled |= BIT(NL80211_STA_INFO_TX_BYTES) |
- BIT(NL80211_STA_INFO_TX_PACKETS) |
- BIT(NL80211_STA_INFO_RX_BYTES) |
- BIT(NL80211_STA_INFO_RX_PACKETS);
- sinfo->tx_bytes = priv->dev->stats.tx_bytes;
- sinfo->tx_packets = priv->dev->stats.tx_packets;
- sinfo->rx_bytes = priv->dev->stats.rx_bytes;
- sinfo->rx_packets = priv->dev->stats.rx_packets;
-
- /* Get current RSSI */
- ret = lbs_get_rssi(priv, &signal, &noise);
- if (ret == 0) {
- sinfo->signal = signal;
- sinfo->filled |= BIT(NL80211_STA_INFO_SIGNAL);
- }
-
- /* Convert priv->cur_rate from hw_value to NL80211 value */
- for (i = 0; i < ARRAY_SIZE(lbs_rates); i++) {
- if (priv->cur_rate == lbs_rates[i].hw_value) {
- sinfo->txrate.legacy = lbs_rates[i].bitrate;
- sinfo->filled |= BIT(NL80211_STA_INFO_TX_BITRATE);
- break;
- }
- }
-
- return 0;
-}
-
-
-
-
-/*
- * Change interface
- */
-
-static int lbs_change_intf(struct wiphy *wiphy, struct net_device *dev,
- enum nl80211_iftype type, u32 *flags,
- struct vif_params *params)
-{
- struct lbs_private *priv = wiphy_priv(wiphy);
- int ret = 0;
-
- if (dev == priv->mesh_dev)
- return -EOPNOTSUPP;
-
- switch (type) {
- case NL80211_IFTYPE_MONITOR:
- case NL80211_IFTYPE_STATION:
- case NL80211_IFTYPE_ADHOC:
- break;
- default:
- return -EOPNOTSUPP;
- }
-
- lbs_deb_enter(LBS_DEB_CFG80211);
-
- if (priv->iface_running)
- ret = lbs_set_iface_type(priv, type);
-
- if (!ret)
- priv->wdev->iftype = type;
-
- lbs_deb_leave_args(LBS_DEB_CFG80211, "ret %d", ret);
- return ret;
-}
-
-
-
-/*
- * IBSS (Ad-Hoc)
- */
-
-/*
- * The firmware needs the following bits masked out of the beacon-derived
- * capability field when associating/joining to a BSS:
- * 9 (QoS), 11 (APSD), 12 (unused), 14 (unused), 15 (unused)
- */
-#define CAPINFO_MASK (~(0xda00))
-
-
-static void lbs_join_post(struct lbs_private *priv,
- struct cfg80211_ibss_params *params,
- u8 *bssid, u16 capability)
-{
- u8 fake_ie[2 + IEEE80211_MAX_SSID_LEN + /* ssid */
- 2 + 4 + /* basic rates */
- 2 + 1 + /* DS parameter */
- 2 + 2 + /* atim */
- 2 + 8]; /* extended rates */
- u8 *fake = fake_ie;
- struct cfg80211_bss *bss;
-
- lbs_deb_enter(LBS_DEB_CFG80211);
-
- /*
- * For cfg80211_inform_bss, we'll need a fake IE, as we can't get
- * the real IE from the firmware. So we fabricate a fake IE based on
- * what the firmware actually sends (sniffed with wireshark).
- */
- /* Fake SSID IE */
- *fake++ = WLAN_EID_SSID;
- *fake++ = params->ssid_len;
- memcpy(fake, params->ssid, params->ssid_len);
- fake += params->ssid_len;
- /* Fake supported basic rates IE */
- *fake++ = WLAN_EID_SUPP_RATES;
- *fake++ = 4;
- *fake++ = 0x82;
- *fake++ = 0x84;
- *fake++ = 0x8b;
- *fake++ = 0x96;
- /* Fake DS channel IE */
- *fake++ = WLAN_EID_DS_PARAMS;
- *fake++ = 1;
- *fake++ = params->chandef.chan->hw_value;
- /* Fake IBSS params IE */
- *fake++ = WLAN_EID_IBSS_PARAMS;
- *fake++ = 2;
- *fake++ = 0; /* ATIM=0 */
- *fake++ = 0;
- /* Fake extended rates IE, TODO: don't add this for 802.11b only,
- * but I don't know how this could be checked */
- *fake++ = WLAN_EID_EXT_SUPP_RATES;
- *fake++ = 8;
- *fake++ = 0x0c;
- *fake++ = 0x12;
- *fake++ = 0x18;
- *fake++ = 0x24;
- *fake++ = 0x30;
- *fake++ = 0x48;
- *fake++ = 0x60;
- *fake++ = 0x6c;
- lbs_deb_hex(LBS_DEB_CFG80211, "IE", fake_ie, fake - fake_ie);
-
- bss = cfg80211_inform_bss(priv->wdev->wiphy,
- params->chandef.chan,
- CFG80211_BSS_FTYPE_UNKNOWN,
- bssid,
- 0,
- capability,
- params->beacon_interval,
- fake_ie, fake - fake_ie,
- 0, GFP_KERNEL);
- cfg80211_put_bss(priv->wdev->wiphy, bss);
-
- memcpy(priv->wdev->ssid, params->ssid, params->ssid_len);
- priv->wdev->ssid_len = params->ssid_len;
-
- cfg80211_ibss_joined(priv->dev, bssid, params->chandef.chan,
- GFP_KERNEL);
-
- /* TODO: consider doing this at MACREG_INT_CODE_LINK_SENSED time */
- priv->connect_status = LBS_CONNECTED;
- netif_carrier_on(priv->dev);
- if (!priv->tx_pending_len)
- netif_wake_queue(priv->dev);
-
- lbs_deb_leave(LBS_DEB_CFG80211);
-}
-
-static int lbs_ibss_join_existing(struct lbs_private *priv,
- struct cfg80211_ibss_params *params,
- struct cfg80211_bss *bss)
-{
- const u8 *rates_eid;
- struct cmd_ds_802_11_ad_hoc_join cmd;
- u8 preamble = RADIO_PREAMBLE_SHORT;
- int ret = 0;
-
- lbs_deb_enter(LBS_DEB_CFG80211);
-
- /* TODO: set preamble based on scan result */
- ret = lbs_set_radio(priv, preamble, 1);
- if (ret)
- goto out;
-
- /*
- * Example CMD_802_11_AD_HOC_JOIN command:
- *
- * command 2c 00 CMD_802_11_AD_HOC_JOIN
- * size 65 00
- * sequence xx xx
- * result 00 00
- * bssid 02 27 27 97 2f 96
- * ssid 49 42 53 53 00 00 00 00
- * 00 00 00 00 00 00 00 00
- * 00 00 00 00 00 00 00 00
- * 00 00 00 00 00 00 00 00
- * type 02 CMD_BSS_TYPE_IBSS
- * beacon period 64 00
- * dtim period 00
- * timestamp 00 00 00 00 00 00 00 00
- * localtime 00 00 00 00 00 00 00 00
- * IE DS 03
- * IE DS len 01
- * IE DS channel 01
- * reserveed 00 00 00 00
- * IE IBSS 06
- * IE IBSS len 02
- * IE IBSS atim 00 00
- * reserved 00 00 00 00
- * capability 02 00
- * rates 82 84 8b 96 0c 12 18 24 30 48 60 6c 00
- * fail timeout ff 00
- * probe delay 00 00
- */
- memset(&cmd, 0, sizeof(cmd));
- cmd.hdr.size = cpu_to_le16(sizeof(cmd));
-
- memcpy(cmd.bss.bssid, bss->bssid, ETH_ALEN);
- memcpy(cmd.bss.ssid, params->ssid, params->ssid_len);
- cmd.bss.type = CMD_BSS_TYPE_IBSS;
- cmd.bss.beaconperiod = cpu_to_le16(params->beacon_interval);
- cmd.bss.ds.header.id = WLAN_EID_DS_PARAMS;
- cmd.bss.ds.header.len = 1;
- cmd.bss.ds.channel = params->chandef.chan->hw_value;
- cmd.bss.ibss.header.id = WLAN_EID_IBSS_PARAMS;
- cmd.bss.ibss.header.len = 2;
- cmd.bss.ibss.atimwindow = 0;
- cmd.bss.capability = cpu_to_le16(bss->capability & CAPINFO_MASK);
-
- /* set rates to the intersection of our rates and the rates in the
- bss */
- rcu_read_lock();
- rates_eid = ieee80211_bss_get_ie(bss, WLAN_EID_SUPP_RATES);
- if (!rates_eid) {
- lbs_add_rates(cmd.bss.rates);
- } else {
- int hw, i;
- u8 rates_max = rates_eid[1];
- u8 *rates = cmd.bss.rates;
- for (hw = 0; hw < ARRAY_SIZE(lbs_rates); hw++) {
- u8 hw_rate = lbs_rates[hw].bitrate / 5;
- for (i = 0; i < rates_max; i++) {
- if (hw_rate == (rates_eid[i+2] & 0x7f)) {
- u8 rate = rates_eid[i+2];
- if (rate == 0x02 || rate == 0x04 ||
- rate == 0x0b || rate == 0x16)
- rate |= 0x80;
- *rates++ = rate;
- }
- }
- }
- }
- rcu_read_unlock();
-
- /* Only v8 and below support setting this */
- if (MRVL_FW_MAJOR_REV(priv->fwrelease) <= 8) {
- cmd.failtimeout = cpu_to_le16(MRVDRV_ASSOCIATION_TIME_OUT);
- cmd.probedelay = cpu_to_le16(CMD_SCAN_PROBE_DELAY_TIME);
- }
- ret = lbs_cmd_with_response(priv, CMD_802_11_AD_HOC_JOIN, &cmd);
- if (ret)
- goto out;
-
- /*
- * This is a sample response to CMD_802_11_AD_HOC_JOIN:
- *
- * response 2c 80
- * size 09 00
- * sequence xx xx
- * result 00 00
- * reserved 00
- */
- lbs_join_post(priv, params, bss->bssid, bss->capability);
-
- out:
- lbs_deb_leave_args(LBS_DEB_CFG80211, "ret %d", ret);
- return ret;
-}
-
-
-
-static int lbs_ibss_start_new(struct lbs_private *priv,
- struct cfg80211_ibss_params *params)
-{
- struct cmd_ds_802_11_ad_hoc_start cmd;
- struct cmd_ds_802_11_ad_hoc_result *resp =
- (struct cmd_ds_802_11_ad_hoc_result *) &cmd;
- u8 preamble = RADIO_PREAMBLE_SHORT;
- int ret = 0;
- u16 capability;
-
- lbs_deb_enter(LBS_DEB_CFG80211);
-
- ret = lbs_set_radio(priv, preamble, 1);
- if (ret)
- goto out;
-
- /*
- * Example CMD_802_11_AD_HOC_START command:
- *
- * command 2b 00 CMD_802_11_AD_HOC_START
- * size b1 00
- * sequence xx xx
- * result 00 00
- * ssid 54 45 53 54 00 00 00 00
- * 00 00 00 00 00 00 00 00
- * 00 00 00 00 00 00 00 00
- * 00 00 00 00 00 00 00 00
- * bss type 02
- * beacon period 64 00
- * dtim period 00
- * IE IBSS 06
- * IE IBSS len 02
- * IE IBSS atim 00 00
- * reserved 00 00 00 00
- * IE DS 03
- * IE DS len 01
- * IE DS channel 01
- * reserved 00 00 00 00
- * probe delay 00 00
- * capability 02 00
- * rates 82 84 8b 96 (basic rates with have bit 7 set)
- * 0c 12 18 24 30 48 60 6c
- * padding 100 bytes
- */
- memset(&cmd, 0, sizeof(cmd));
- cmd.hdr.size = cpu_to_le16(sizeof(cmd));
- memcpy(cmd.ssid, params->ssid, params->ssid_len);
- cmd.bsstype = CMD_BSS_TYPE_IBSS;
- cmd.beaconperiod = cpu_to_le16(params->beacon_interval);
- cmd.ibss.header.id = WLAN_EID_IBSS_PARAMS;
- cmd.ibss.header.len = 2;
- cmd.ibss.atimwindow = 0;
- cmd.ds.header.id = WLAN_EID_DS_PARAMS;
- cmd.ds.header.len = 1;
- cmd.ds.channel = params->chandef.chan->hw_value;
- /* Only v8 and below support setting probe delay */
- if (MRVL_FW_MAJOR_REV(priv->fwrelease) <= 8)
- cmd.probedelay = cpu_to_le16(CMD_SCAN_PROBE_DELAY_TIME);
- /* TODO: mix in WLAN_CAPABILITY_PRIVACY */
- capability = WLAN_CAPABILITY_IBSS;
- cmd.capability = cpu_to_le16(capability);
- lbs_add_rates(cmd.rates);
-
-
- ret = lbs_cmd_with_response(priv, CMD_802_11_AD_HOC_START, &cmd);
- if (ret)
- goto out;
-
- /*
- * This is a sample response to CMD_802_11_AD_HOC_JOIN:
- *
- * response 2b 80
- * size 14 00
- * sequence xx xx
- * result 00 00
- * reserved 00
- * bssid 02 2b 7b 0f 86 0e
- */
- lbs_join_post(priv, params, resp->bssid, capability);
-
- out:
- lbs_deb_leave_args(LBS_DEB_CFG80211, "ret %d", ret);
- return ret;
-}
-
-
-static int lbs_join_ibss(struct wiphy *wiphy, struct net_device *dev,
- struct cfg80211_ibss_params *params)
-{
- struct lbs_private *priv = wiphy_priv(wiphy);
- int ret = 0;
- struct cfg80211_bss *bss;
-
- if (dev == priv->mesh_dev)
- return -EOPNOTSUPP;
-
- lbs_deb_enter(LBS_DEB_CFG80211);
-
- if (!params->chandef.chan) {
- ret = -ENOTSUPP;
- goto out;
- }
-
- ret = lbs_set_channel(priv, params->chandef.chan->hw_value);
- if (ret)
- goto out;
-
- /* Search if someone is beaconing. This assumes that the
- * bss list is populated already */
- bss = cfg80211_get_bss(wiphy, params->chandef.chan, params->bssid,
- params->ssid, params->ssid_len,
- IEEE80211_BSS_TYPE_IBSS, IEEE80211_PRIVACY_ANY);
-
- if (bss) {
- ret = lbs_ibss_join_existing(priv, params, bss);
- cfg80211_put_bss(wiphy, bss);
- } else
- ret = lbs_ibss_start_new(priv, params);
-
-
- out:
- lbs_deb_leave_args(LBS_DEB_CFG80211, "ret %d", ret);
- return ret;
-}
-
-
-static int lbs_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
-{
- struct lbs_private *priv = wiphy_priv(wiphy);
- struct cmd_ds_802_11_ad_hoc_stop cmd;
- int ret = 0;
-
- if (dev == priv->mesh_dev)
- return -EOPNOTSUPP;
-
- lbs_deb_enter(LBS_DEB_CFG80211);
-
- memset(&cmd, 0, sizeof(cmd));
- cmd.hdr.size = cpu_to_le16(sizeof(cmd));
- ret = lbs_cmd_with_response(priv, CMD_802_11_AD_HOC_STOP, &cmd);
-
- /* TODO: consider doing this at MACREG_INT_CODE_ADHOC_BCN_LOST time */
- lbs_mac_event_disconnected(priv, true);
-
- lbs_deb_leave_args(LBS_DEB_CFG80211, "ret %d", ret);
- return ret;
-}
-
-
-
-
-/*
- * Initialization
- */
-
-static struct cfg80211_ops lbs_cfg80211_ops = {
- .set_monitor_channel = lbs_cfg_set_monitor_channel,
- .libertas_set_mesh_channel = lbs_cfg_set_mesh_channel,
- .scan = lbs_cfg_scan,
- .connect = lbs_cfg_connect,
- .disconnect = lbs_cfg_disconnect,
- .add_key = lbs_cfg_add_key,
- .del_key = lbs_cfg_del_key,
- .set_default_key = lbs_cfg_set_default_key,
- .get_station = lbs_cfg_get_station,
- .change_virtual_intf = lbs_change_intf,
- .join_ibss = lbs_join_ibss,
- .leave_ibss = lbs_leave_ibss,
-};
-
-
-/*
- * At this time lbs_private *priv doesn't even exist, so we just allocate
- * memory and don't initialize the wiphy further. This is postponed until we
- * can talk to the firmware and happens at registration time in
- * lbs_cfg_wiphy_register().
- */
-struct wireless_dev *lbs_cfg_alloc(struct device *dev)
-{
- int ret = 0;
- struct wireless_dev *wdev;
-
- lbs_deb_enter(LBS_DEB_CFG80211);
-
- wdev = kzalloc(sizeof(struct wireless_dev), GFP_KERNEL);
- if (!wdev)
- return ERR_PTR(-ENOMEM);
-
- wdev->wiphy = wiphy_new(&lbs_cfg80211_ops, sizeof(struct lbs_private));
- if (!wdev->wiphy) {
- dev_err(dev, "cannot allocate wiphy\n");
- ret = -ENOMEM;
- goto err_wiphy_new;
- }
-
- lbs_deb_leave(LBS_DEB_CFG80211);
- return wdev;
-
- err_wiphy_new:
- kfree(wdev);
- lbs_deb_leave_args(LBS_DEB_CFG80211, "ret %d", ret);
- return ERR_PTR(ret);
-}
-
-
-static void lbs_cfg_set_regulatory_hint(struct lbs_private *priv)
-{
- struct region_code_mapping {
- const char *cn;
- int code;
- };
-
- /* Section 5.17.2 */
- static const struct region_code_mapping regmap[] = {
- {"US ", 0x10}, /* US FCC */
- {"CA ", 0x20}, /* Canada */
- {"EU ", 0x30}, /* ETSI */
- {"ES ", 0x31}, /* Spain */
- {"FR ", 0x32}, /* France */
- {"JP ", 0x40}, /* Japan */
- };
- size_t i;
-
- lbs_deb_enter(LBS_DEB_CFG80211);
-
- for (i = 0; i < ARRAY_SIZE(regmap); i++)
- if (regmap[i].code == priv->regioncode) {
- regulatory_hint(priv->wdev->wiphy, regmap[i].cn);
- break;
- }
-
- lbs_deb_leave(LBS_DEB_CFG80211);
-}
-
-static void lbs_reg_notifier(struct wiphy *wiphy,
- struct regulatory_request *request)
-{
- struct lbs_private *priv = wiphy_priv(wiphy);
-
- lbs_deb_enter_args(LBS_DEB_CFG80211, "cfg80211 regulatory domain "
- "callback for domain %c%c\n", request->alpha2[0],
- request->alpha2[1]);
-
- memcpy(priv->country_code, request->alpha2, sizeof(request->alpha2));
- if (lbs_iface_active(priv))
- lbs_set_11d_domain_info(priv);
-
- lbs_deb_leave(LBS_DEB_CFG80211);
-}
-
-/*
- * This function get's called after lbs_setup_firmware() determined the
- * firmware capabities. So we can setup the wiphy according to our
- * hardware/firmware.
- */
-int lbs_cfg_register(struct lbs_private *priv)
-{
- struct wireless_dev *wdev = priv->wdev;
- int ret;
-
- lbs_deb_enter(LBS_DEB_CFG80211);
-
- wdev->wiphy->max_scan_ssids = 1;
- wdev->wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;
-
- wdev->wiphy->interface_modes =
- BIT(NL80211_IFTYPE_STATION) |
- BIT(NL80211_IFTYPE_ADHOC);
- if (lbs_rtap_supported(priv))
- wdev->wiphy->interface_modes |= BIT(NL80211_IFTYPE_MONITOR);
- if (lbs_mesh_activated(priv))
- wdev->wiphy->interface_modes |= BIT(NL80211_IFTYPE_MESH_POINT);
-
- wdev->wiphy->bands[IEEE80211_BAND_2GHZ] = &lbs_band_2ghz;
-
- /*
- * We could check priv->fwcapinfo && FW_CAPINFO_WPA, but I have
- * never seen a firmware without WPA
- */
- wdev->wiphy->cipher_suites = cipher_suites;
- wdev->wiphy->n_cipher_suites = ARRAY_SIZE(cipher_suites);
- wdev->wiphy->reg_notifier = lbs_reg_notifier;
-
- ret = wiphy_register(wdev->wiphy);
- if (ret < 0)
- pr_err("cannot register wiphy device\n");
-
- priv->wiphy_registered = true;
-
- ret = register_netdev(priv->dev);
- if (ret)
- pr_err("cannot register network device\n");
-
- INIT_DELAYED_WORK(&priv->scan_work, lbs_scan_worker);
-
- lbs_cfg_set_regulatory_hint(priv);
-
- lbs_deb_leave_args(LBS_DEB_CFG80211, "ret %d", ret);
- return ret;
-}
-
-void lbs_scan_deinit(struct lbs_private *priv)
-{
- lbs_deb_enter(LBS_DEB_CFG80211);
- cancel_delayed_work_sync(&priv->scan_work);
-}
-
-
-void lbs_cfg_free(struct lbs_private *priv)
-{
- struct wireless_dev *wdev = priv->wdev;
-
- lbs_deb_enter(LBS_DEB_CFG80211);
-
- if (!wdev)
- return;
-
- if (priv->wiphy_registered)
- wiphy_unregister(wdev->wiphy);
-
- if (wdev->wiphy)
- wiphy_free(wdev->wiphy);
-
- kfree(wdev);
-}
projects / cascardo / linux.git / commitdiff