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author | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
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committer | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
commit | 871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch) | |
tree | 8718f573808810c2a1e8cb8fb6ac469093ca2784 /ANDROID_3.4.5/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c | |
parent | 9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff) | |
download | FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.tar.gz FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.tar.bz2 FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.zip |
Moved, renamed, and deleted files
The original directory structure was scattered and unorganized.
Changes are basically to make it look like kernel structure.
Diffstat (limited to 'ANDROID_3.4.5/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c')
-rw-r--r-- | ANDROID_3.4.5/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c | 1612 |
1 files changed, 0 insertions, 1612 deletions
diff --git a/ANDROID_3.4.5/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c b/ANDROID_3.4.5/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c deleted file mode 100644 index 569ab8ab..00000000 --- a/ANDROID_3.4.5/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c +++ /dev/null @@ -1,1612 +0,0 @@ -/* - * Copyright (c) 2010 Broadcom Corporation - * - * Permission to use, copy, modify, and/or distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES - * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY - * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION - * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN - * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - */ - -#define __UNDEF_NO_VERSION__ -#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt - -#include <linux/etherdevice.h> -#include <linux/sched.h> -#include <linux/firmware.h> -#include <linux/interrupt.h> -#include <linux/module.h> -#include <linux/bcma/bcma.h> -#include <net/mac80211.h> -#include <defs.h> -#include "nicpci.h" -#include "phy/phy_int.h" -#include "d11.h" -#include "channel.h" -#include "scb.h" -#include "pub.h" -#include "ucode_loader.h" -#include "mac80211_if.h" -#include "main.h" - -#define N_TX_QUEUES 4 /* #tx queues on mac80211<->driver interface */ - -/* Flags we support */ -#define MAC_FILTERS (FIF_PROMISC_IN_BSS | \ - FIF_ALLMULTI | \ - FIF_FCSFAIL | \ - FIF_CONTROL | \ - FIF_OTHER_BSS | \ - FIF_BCN_PRBRESP_PROMISC | \ - FIF_PSPOLL) - -#define CHAN2GHZ(channel, freqency, chflags) { \ - .band = IEEE80211_BAND_2GHZ, \ - .center_freq = (freqency), \ - .hw_value = (channel), \ - .flags = chflags, \ - .max_antenna_gain = 0, \ - .max_power = 19, \ -} - -#define CHAN5GHZ(channel, chflags) { \ - .band = IEEE80211_BAND_5GHZ, \ - .center_freq = 5000 + 5*(channel), \ - .hw_value = (channel), \ - .flags = chflags, \ - .max_antenna_gain = 0, \ - .max_power = 21, \ -} - -#define RATE(rate100m, _flags) { \ - .bitrate = (rate100m), \ - .flags = (_flags), \ - .hw_value = (rate100m / 5), \ -} - -struct firmware_hdr { - __le32 offset; - __le32 len; - __le32 idx; -}; - -static const char * const brcms_firmwares[MAX_FW_IMAGES] = { - "brcm/bcm43xx", - NULL -}; - -static int n_adapters_found; - -MODULE_AUTHOR("Broadcom Corporation"); -MODULE_DESCRIPTION("Broadcom 802.11n wireless LAN driver."); -MODULE_SUPPORTED_DEVICE("Broadcom 802.11n WLAN cards"); -MODULE_LICENSE("Dual BSD/GPL"); - - -/* recognized BCMA Core IDs */ -static struct bcma_device_id brcms_coreid_table[] = { - BCMA_CORE(BCMA_MANUF_BCM, BCMA_CORE_80211, 23, BCMA_ANY_CLASS), - BCMA_CORE(BCMA_MANUF_BCM, BCMA_CORE_80211, 24, BCMA_ANY_CLASS), - BCMA_CORETABLE_END -}; -MODULE_DEVICE_TABLE(bcma, brcms_coreid_table); - -#ifdef DEBUG -static int msglevel = 0xdeadbeef; -module_param(msglevel, int, 0); -#endif /* DEBUG */ - -static struct ieee80211_channel brcms_2ghz_chantable[] = { - CHAN2GHZ(1, 2412, IEEE80211_CHAN_NO_HT40MINUS), - CHAN2GHZ(2, 2417, IEEE80211_CHAN_NO_HT40MINUS), - CHAN2GHZ(3, 2422, IEEE80211_CHAN_NO_HT40MINUS), - CHAN2GHZ(4, 2427, IEEE80211_CHAN_NO_HT40MINUS), - CHAN2GHZ(5, 2432, 0), - CHAN2GHZ(6, 2437, 0), - CHAN2GHZ(7, 2442, 0), - CHAN2GHZ(8, 2447, IEEE80211_CHAN_NO_HT40PLUS), - CHAN2GHZ(9, 2452, IEEE80211_CHAN_NO_HT40PLUS), - CHAN2GHZ(10, 2457, IEEE80211_CHAN_NO_HT40PLUS), - CHAN2GHZ(11, 2462, IEEE80211_CHAN_NO_HT40PLUS), - CHAN2GHZ(12, 2467, - IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_IBSS | - IEEE80211_CHAN_NO_HT40PLUS), - CHAN2GHZ(13, 2472, - IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_IBSS | - IEEE80211_CHAN_NO_HT40PLUS), - CHAN2GHZ(14, 2484, - IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_IBSS | - IEEE80211_CHAN_NO_HT40PLUS | IEEE80211_CHAN_NO_HT40MINUS) -}; - -static struct ieee80211_channel brcms_5ghz_nphy_chantable[] = { - /* UNII-1 */ - CHAN5GHZ(36, IEEE80211_CHAN_NO_HT40MINUS), - CHAN5GHZ(40, IEEE80211_CHAN_NO_HT40PLUS), - CHAN5GHZ(44, IEEE80211_CHAN_NO_HT40MINUS), - CHAN5GHZ(48, IEEE80211_CHAN_NO_HT40PLUS), - /* UNII-2 */ - CHAN5GHZ(52, - IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | - IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS), - CHAN5GHZ(56, - IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | - IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS), - CHAN5GHZ(60, - IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | - IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS), - CHAN5GHZ(64, - IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | - IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS), - /* MID */ - CHAN5GHZ(100, - IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | - IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS), - CHAN5GHZ(104, - IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | - IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS), - CHAN5GHZ(108, - IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | - IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS), - CHAN5GHZ(112, - IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | - IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS), - CHAN5GHZ(116, - IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | - IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS), - CHAN5GHZ(120, - IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | - IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS), - CHAN5GHZ(124, - IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | - IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS), - CHAN5GHZ(128, - IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | - IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS), - CHAN5GHZ(132, - IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | - IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS), - CHAN5GHZ(136, - IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | - IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS), - CHAN5GHZ(140, - IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS | - IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS | - IEEE80211_CHAN_NO_HT40MINUS), - /* UNII-3 */ - CHAN5GHZ(149, IEEE80211_CHAN_NO_HT40MINUS), - CHAN5GHZ(153, IEEE80211_CHAN_NO_HT40PLUS), - CHAN5GHZ(157, IEEE80211_CHAN_NO_HT40MINUS), - CHAN5GHZ(161, IEEE80211_CHAN_NO_HT40PLUS), - CHAN5GHZ(165, IEEE80211_CHAN_NO_HT40PLUS | IEEE80211_CHAN_NO_HT40MINUS) -}; - -/* - * The rate table is used for both 2.4G and 5G rates. The - * latter being a subset as it does not support CCK rates. - */ -static struct ieee80211_rate legacy_ratetable[] = { - RATE(10, 0), - RATE(20, IEEE80211_RATE_SHORT_PREAMBLE), - RATE(55, IEEE80211_RATE_SHORT_PREAMBLE), - RATE(110, IEEE80211_RATE_SHORT_PREAMBLE), - RATE(60, 0), - RATE(90, 0), - RATE(120, 0), - RATE(180, 0), - RATE(240, 0), - RATE(360, 0), - RATE(480, 0), - RATE(540, 0), -}; - -static const struct ieee80211_supported_band brcms_band_2GHz_nphy_template = { - .band = IEEE80211_BAND_2GHZ, - .channels = brcms_2ghz_chantable, - .n_channels = ARRAY_SIZE(brcms_2ghz_chantable), - .bitrates = legacy_ratetable, - .n_bitrates = ARRAY_SIZE(legacy_ratetable), - .ht_cap = { - /* from include/linux/ieee80211.h */ - .cap = IEEE80211_HT_CAP_GRN_FLD | - IEEE80211_HT_CAP_SGI_20 | IEEE80211_HT_CAP_SGI_40, - .ht_supported = true, - .ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K, - .ampdu_density = AMPDU_DEF_MPDU_DENSITY, - .mcs = { - /* placeholders for now */ - .rx_mask = {0xff, 0xff, 0, 0, 0, 0, 0, 0, 0, 0}, - .rx_highest = cpu_to_le16(500), - .tx_params = IEEE80211_HT_MCS_TX_DEFINED} - } -}; - -static const struct ieee80211_supported_band brcms_band_5GHz_nphy_template = { - .band = IEEE80211_BAND_5GHZ, - .channels = brcms_5ghz_nphy_chantable, - .n_channels = ARRAY_SIZE(brcms_5ghz_nphy_chantable), - .bitrates = legacy_ratetable + BRCMS_LEGACY_5G_RATE_OFFSET, - .n_bitrates = ARRAY_SIZE(legacy_ratetable) - - BRCMS_LEGACY_5G_RATE_OFFSET, - .ht_cap = { - .cap = IEEE80211_HT_CAP_GRN_FLD | IEEE80211_HT_CAP_SGI_20 | - IEEE80211_HT_CAP_SGI_40, - .ht_supported = true, - .ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K, - .ampdu_density = AMPDU_DEF_MPDU_DENSITY, - .mcs = { - /* placeholders for now */ - .rx_mask = {0xff, 0xff, 0, 0, 0, 0, 0, 0, 0, 0}, - .rx_highest = cpu_to_le16(500), - .tx_params = IEEE80211_HT_MCS_TX_DEFINED} - } -}; - -/* flags the given rate in rateset as requested */ -static void brcms_set_basic_rate(struct brcm_rateset *rs, u16 rate, bool is_br) -{ - u32 i; - - for (i = 0; i < rs->count; i++) { - if (rate != (rs->rates[i] & 0x7f)) - continue; - - if (is_br) - rs->rates[i] |= BRCMS_RATE_FLAG; - else - rs->rates[i] &= BRCMS_RATE_MASK; - return; - } -} - -static void brcms_ops_tx(struct ieee80211_hw *hw, struct sk_buff *skb) -{ - struct brcms_info *wl = hw->priv; - - spin_lock_bh(&wl->lock); - if (!wl->pub->up) { - wiphy_err(wl->wiphy, "ops->tx called while down\n"); - kfree_skb(skb); - goto done; - } - brcms_c_sendpkt_mac80211(wl->wlc, skb, hw); - done: - spin_unlock_bh(&wl->lock); -} - -static int brcms_ops_start(struct ieee80211_hw *hw) -{ - struct brcms_info *wl = hw->priv; - bool blocked; - int err; - - ieee80211_wake_queues(hw); - spin_lock_bh(&wl->lock); - blocked = brcms_rfkill_set_hw_state(wl); - spin_unlock_bh(&wl->lock); - if (!blocked) - wiphy_rfkill_stop_polling(wl->pub->ieee_hw->wiphy); - - spin_lock_bh(&wl->lock); - /* avoid acknowledging frames before a non-monitor device is added */ - wl->mute_tx = true; - - if (!wl->pub->up) - err = brcms_up(wl); - else - err = -ENODEV; - spin_unlock_bh(&wl->lock); - - if (err != 0) - wiphy_err(hw->wiphy, "%s: brcms_up() returned %d\n", __func__, - err); - return err; -} - -static void brcms_ops_stop(struct ieee80211_hw *hw) -{ - struct brcms_info *wl = hw->priv; - int status; - - ieee80211_stop_queues(hw); - - if (wl->wlc == NULL) - return; - - spin_lock_bh(&wl->lock); - status = brcms_c_chipmatch(wl->wlc->hw->vendorid, - wl->wlc->hw->deviceid); - spin_unlock_bh(&wl->lock); - if (!status) { - wiphy_err(wl->wiphy, - "wl: brcms_ops_stop: chipmatch failed\n"); - return; - } - - /* put driver in down state */ - spin_lock_bh(&wl->lock); - brcms_down(wl); - spin_unlock_bh(&wl->lock); -} - -static int -brcms_ops_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif) -{ - struct brcms_info *wl = hw->priv; - - /* Just STA for now */ - if (vif->type != NL80211_IFTYPE_STATION) { - wiphy_err(hw->wiphy, "%s: Attempt to add type %d, only" - " STA for now\n", __func__, vif->type); - return -EOPNOTSUPP; - } - - wl->mute_tx = false; - brcms_c_mute(wl->wlc, false); - - return 0; -} - -static void -brcms_ops_remove_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif) -{ -} - -static int brcms_ops_config(struct ieee80211_hw *hw, u32 changed) -{ - struct ieee80211_conf *conf = &hw->conf; - struct brcms_info *wl = hw->priv; - int err = 0; - int new_int; - struct wiphy *wiphy = hw->wiphy; - - spin_lock_bh(&wl->lock); - if (changed & IEEE80211_CONF_CHANGE_LISTEN_INTERVAL) { - brcms_c_set_beacon_listen_interval(wl->wlc, - conf->listen_interval); - } - if (changed & IEEE80211_CONF_CHANGE_MONITOR) - wiphy_dbg(wiphy, "%s: change monitor mode: %s\n", - __func__, conf->flags & IEEE80211_CONF_MONITOR ? - "true" : "false"); - if (changed & IEEE80211_CONF_CHANGE_PS) - wiphy_err(wiphy, "%s: change power-save mode: %s (implement)\n", - __func__, conf->flags & IEEE80211_CONF_PS ? - "true" : "false"); - - if (changed & IEEE80211_CONF_CHANGE_POWER) { - err = brcms_c_set_tx_power(wl->wlc, conf->power_level); - if (err < 0) { - wiphy_err(wiphy, "%s: Error setting power_level\n", - __func__); - goto config_out; - } - new_int = brcms_c_get_tx_power(wl->wlc); - if (new_int != conf->power_level) - wiphy_err(wiphy, "%s: Power level req != actual, %d %d" - "\n", __func__, conf->power_level, - new_int); - } - if (changed & IEEE80211_CONF_CHANGE_CHANNEL) { - if (conf->channel_type == NL80211_CHAN_HT20 || - conf->channel_type == NL80211_CHAN_NO_HT) - err = brcms_c_set_channel(wl->wlc, - conf->channel->hw_value); - else - err = -ENOTSUPP; - } - if (changed & IEEE80211_CONF_CHANGE_RETRY_LIMITS) - err = brcms_c_set_rate_limit(wl->wlc, - conf->short_frame_max_tx_count, - conf->long_frame_max_tx_count); - - config_out: - spin_unlock_bh(&wl->lock); - return err; -} - -static void -brcms_ops_bss_info_changed(struct ieee80211_hw *hw, - struct ieee80211_vif *vif, - struct ieee80211_bss_conf *info, u32 changed) -{ - struct brcms_info *wl = hw->priv; - struct wiphy *wiphy = hw->wiphy; - - if (changed & BSS_CHANGED_ASSOC) { - /* association status changed (associated/disassociated) - * also implies a change in the AID. - */ - wiphy_err(wiphy, "%s: %s: %sassociated\n", KBUILD_MODNAME, - __func__, info->assoc ? "" : "dis"); - spin_lock_bh(&wl->lock); - brcms_c_associate_upd(wl->wlc, info->assoc); - spin_unlock_bh(&wl->lock); - } - if (changed & BSS_CHANGED_ERP_SLOT) { - s8 val; - - /* slot timing changed */ - if (info->use_short_slot) - val = 1; - else - val = 0; - spin_lock_bh(&wl->lock); - brcms_c_set_shortslot_override(wl->wlc, val); - spin_unlock_bh(&wl->lock); - } - - if (changed & BSS_CHANGED_HT) { - /* 802.11n parameters changed */ - u16 mode = info->ht_operation_mode; - - spin_lock_bh(&wl->lock); - brcms_c_protection_upd(wl->wlc, BRCMS_PROT_N_CFG, - mode & IEEE80211_HT_OP_MODE_PROTECTION); - brcms_c_protection_upd(wl->wlc, BRCMS_PROT_N_NONGF, - mode & IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT); - brcms_c_protection_upd(wl->wlc, BRCMS_PROT_N_OBSS, - mode & IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT); - spin_unlock_bh(&wl->lock); - } - if (changed & BSS_CHANGED_BASIC_RATES) { - struct ieee80211_supported_band *bi; - u32 br_mask, i; - u16 rate; - struct brcm_rateset rs; - int error; - - /* retrieve the current rates */ - spin_lock_bh(&wl->lock); - brcms_c_get_current_rateset(wl->wlc, &rs); - spin_unlock_bh(&wl->lock); - - br_mask = info->basic_rates; - bi = hw->wiphy->bands[brcms_c_get_curband(wl->wlc)]; - for (i = 0; i < bi->n_bitrates; i++) { - /* convert to internal rate value */ - rate = (bi->bitrates[i].bitrate << 1) / 10; - - /* set/clear basic rate flag */ - brcms_set_basic_rate(&rs, rate, br_mask & 1); - br_mask >>= 1; - } - - /* update the rate set */ - spin_lock_bh(&wl->lock); - error = brcms_c_set_rateset(wl->wlc, &rs); - spin_unlock_bh(&wl->lock); - if (error) - wiphy_err(wiphy, "changing basic rates failed: %d\n", - error); - } - if (changed & BSS_CHANGED_BEACON_INT) { - /* Beacon interval changed */ - spin_lock_bh(&wl->lock); - brcms_c_set_beacon_period(wl->wlc, info->beacon_int); - spin_unlock_bh(&wl->lock); - } - if (changed & BSS_CHANGED_BSSID) { - /* BSSID changed, for whatever reason (IBSS and managed mode) */ - spin_lock_bh(&wl->lock); - brcms_c_set_addrmatch(wl->wlc, RCM_BSSID_OFFSET, info->bssid); - spin_unlock_bh(&wl->lock); - } - if (changed & BSS_CHANGED_BEACON) - /* Beacon data changed, retrieve new beacon (beaconing modes) */ - wiphy_err(wiphy, "%s: beacon changed\n", __func__); - - if (changed & BSS_CHANGED_BEACON_ENABLED) { - /* Beaconing should be enabled/disabled (beaconing modes) */ - wiphy_err(wiphy, "%s: Beacon enabled: %s\n", __func__, - info->enable_beacon ? "true" : "false"); - } - - if (changed & BSS_CHANGED_CQM) { - /* Connection quality monitor config changed */ - wiphy_err(wiphy, "%s: cqm change: threshold %d, hys %d " - " (implement)\n", __func__, info->cqm_rssi_thold, - info->cqm_rssi_hyst); - } - - if (changed & BSS_CHANGED_IBSS) { - /* IBSS join status changed */ - wiphy_err(wiphy, "%s: IBSS joined: %s (implement)\n", __func__, - info->ibss_joined ? "true" : "false"); - } - - if (changed & BSS_CHANGED_ARP_FILTER) { - /* Hardware ARP filter address list or state changed */ - wiphy_err(wiphy, "%s: arp filtering: enabled %s, count %d" - " (implement)\n", __func__, info->arp_filter_enabled ? - "true" : "false", info->arp_addr_cnt); - } - - if (changed & BSS_CHANGED_QOS) { - /* - * QoS for this association was enabled/disabled. - * Note that it is only ever disabled for station mode. - */ - wiphy_err(wiphy, "%s: qos enabled: %s (implement)\n", __func__, - info->qos ? "true" : "false"); - } - return; -} - -static void -brcms_ops_configure_filter(struct ieee80211_hw *hw, - unsigned int changed_flags, - unsigned int *total_flags, u64 multicast) -{ - struct brcms_info *wl = hw->priv; - struct wiphy *wiphy = hw->wiphy; - - changed_flags &= MAC_FILTERS; - *total_flags &= MAC_FILTERS; - - if (changed_flags & FIF_PROMISC_IN_BSS) - wiphy_dbg(wiphy, "FIF_PROMISC_IN_BSS\n"); - if (changed_flags & FIF_ALLMULTI) - wiphy_dbg(wiphy, "FIF_ALLMULTI\n"); - if (changed_flags & FIF_FCSFAIL) - wiphy_dbg(wiphy, "FIF_FCSFAIL\n"); - if (changed_flags & FIF_CONTROL) - wiphy_dbg(wiphy, "FIF_CONTROL\n"); - if (changed_flags & FIF_OTHER_BSS) - wiphy_dbg(wiphy, "FIF_OTHER_BSS\n"); - if (changed_flags & FIF_PSPOLL) - wiphy_dbg(wiphy, "FIF_PSPOLL\n"); - if (changed_flags & FIF_BCN_PRBRESP_PROMISC) - wiphy_dbg(wiphy, "FIF_BCN_PRBRESP_PROMISC\n"); - - spin_lock_bh(&wl->lock); - brcms_c_mac_promisc(wl->wlc, *total_flags); - spin_unlock_bh(&wl->lock); - return; -} - -static void brcms_ops_sw_scan_start(struct ieee80211_hw *hw) -{ - struct brcms_info *wl = hw->priv; - spin_lock_bh(&wl->lock); - brcms_c_scan_start(wl->wlc); - spin_unlock_bh(&wl->lock); - return; -} - -static void brcms_ops_sw_scan_complete(struct ieee80211_hw *hw) -{ - struct brcms_info *wl = hw->priv; - spin_lock_bh(&wl->lock); - brcms_c_scan_stop(wl->wlc); - spin_unlock_bh(&wl->lock); - return; -} - -static int -brcms_ops_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif, u16 queue, - const struct ieee80211_tx_queue_params *params) -{ - struct brcms_info *wl = hw->priv; - - spin_lock_bh(&wl->lock); - brcms_c_wme_setparams(wl->wlc, queue, params, true); - spin_unlock_bh(&wl->lock); - - return 0; -} - -static int -brcms_ops_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif, - struct ieee80211_sta *sta) -{ - struct brcms_info *wl = hw->priv; - struct scb *scb = &wl->wlc->pri_scb; - - brcms_c_init_scb(scb); - - wl->pub->global_ampdu = &(scb->scb_ampdu); - wl->pub->global_ampdu->scb = scb; - wl->pub->global_ampdu->max_pdu = 16; - - /* - * minstrel_ht initiates addBA on our behalf by calling - * ieee80211_start_tx_ba_session() - */ - return 0; -} - -static int -brcms_ops_ampdu_action(struct ieee80211_hw *hw, - struct ieee80211_vif *vif, - enum ieee80211_ampdu_mlme_action action, - struct ieee80211_sta *sta, u16 tid, u16 *ssn, - u8 buf_size) -{ - struct brcms_info *wl = hw->priv; - struct scb *scb = &wl->wlc->pri_scb; - int status; - - if (WARN_ON(scb->magic != SCB_MAGIC)) - return -EIDRM; - switch (action) { - case IEEE80211_AMPDU_RX_START: - break; - case IEEE80211_AMPDU_RX_STOP: - break; - case IEEE80211_AMPDU_TX_START: - spin_lock_bh(&wl->lock); - status = brcms_c_aggregatable(wl->wlc, tid); - spin_unlock_bh(&wl->lock); - if (!status) { - wiphy_err(wl->wiphy, "START: tid %d is not agg\'able\n", - tid); - return -EINVAL; - } - ieee80211_start_tx_ba_cb_irqsafe(vif, sta->addr, tid); - break; - - case IEEE80211_AMPDU_TX_STOP: - spin_lock_bh(&wl->lock); - brcms_c_ampdu_flush(wl->wlc, sta, tid); - spin_unlock_bh(&wl->lock); - ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid); - break; - case IEEE80211_AMPDU_TX_OPERATIONAL: - /* - * BA window size from ADDBA response ('buf_size') defines how - * many outstanding MPDUs are allowed for the BA stream by - * recipient and traffic class. 'ampdu_factor' gives maximum - * AMPDU size. - */ - spin_lock_bh(&wl->lock); - brcms_c_ampdu_tx_operational(wl->wlc, tid, buf_size, - (1 << (IEEE80211_HT_MAX_AMPDU_FACTOR + - sta->ht_cap.ampdu_factor)) - 1); - spin_unlock_bh(&wl->lock); - /* Power save wakeup */ - break; - default: - wiphy_err(wl->wiphy, "%s: Invalid command, ignoring\n", - __func__); - } - - return 0; -} - -static void brcms_ops_rfkill_poll(struct ieee80211_hw *hw) -{ - struct brcms_info *wl = hw->priv; - bool blocked; - - spin_lock_bh(&wl->lock); - blocked = brcms_c_check_radio_disabled(wl->wlc); - spin_unlock_bh(&wl->lock); - - wiphy_rfkill_set_hw_state(wl->pub->ieee_hw->wiphy, blocked); -} - -static void brcms_ops_flush(struct ieee80211_hw *hw, bool drop) -{ - struct brcms_info *wl = hw->priv; - - no_printk("%s: drop = %s\n", __func__, drop ? "true" : "false"); - - /* wait for packet queue and dma fifos to run empty */ - spin_lock_bh(&wl->lock); - brcms_c_wait_for_tx_completion(wl->wlc, drop); - spin_unlock_bh(&wl->lock); -} - -static const struct ieee80211_ops brcms_ops = { - .tx = brcms_ops_tx, - .start = brcms_ops_start, - .stop = brcms_ops_stop, - .add_interface = brcms_ops_add_interface, - .remove_interface = brcms_ops_remove_interface, - .config = brcms_ops_config, - .bss_info_changed = brcms_ops_bss_info_changed, - .configure_filter = brcms_ops_configure_filter, - .sw_scan_start = brcms_ops_sw_scan_start, - .sw_scan_complete = brcms_ops_sw_scan_complete, - .conf_tx = brcms_ops_conf_tx, - .sta_add = brcms_ops_sta_add, - .ampdu_action = brcms_ops_ampdu_action, - .rfkill_poll = brcms_ops_rfkill_poll, - .flush = brcms_ops_flush, -}; - -/* - * is called in brcms_bcma_probe() context, therefore no locking required. - */ -static int brcms_set_hint(struct brcms_info *wl, char *abbrev) -{ - return regulatory_hint(wl->pub->ieee_hw->wiphy, abbrev); -} - -void brcms_dpc(unsigned long data) -{ - struct brcms_info *wl; - - wl = (struct brcms_info *) data; - - spin_lock_bh(&wl->lock); - - /* call the common second level interrupt handler */ - if (wl->pub->up) { - if (wl->resched) { - unsigned long flags; - - spin_lock_irqsave(&wl->isr_lock, flags); - brcms_c_intrsupd(wl->wlc); - spin_unlock_irqrestore(&wl->isr_lock, flags); - } - - wl->resched = brcms_c_dpc(wl->wlc, true); - } - - /* brcms_c_dpc() may bring the driver down */ - if (!wl->pub->up) - goto done; - - /* re-schedule dpc */ - if (wl->resched) - tasklet_schedule(&wl->tasklet); - else - /* re-enable interrupts */ - brcms_intrson(wl); - - done: - spin_unlock_bh(&wl->lock); -} - -/* - * Precondition: Since this function is called in brcms_pci_probe() context, - * no locking is required. - */ -static int brcms_request_fw(struct brcms_info *wl, struct pci_dev *pdev) -{ - int status; - struct device *device = &pdev->dev; - char fw_name[100]; - int i; - - memset(&wl->fw, 0, sizeof(struct brcms_firmware)); - for (i = 0; i < MAX_FW_IMAGES; i++) { - if (brcms_firmwares[i] == NULL) - break; - sprintf(fw_name, "%s-%d.fw", brcms_firmwares[i], - UCODE_LOADER_API_VER); - status = request_firmware(&wl->fw.fw_bin[i], fw_name, device); - if (status) { - wiphy_err(wl->wiphy, "%s: fail to load firmware %s\n", - KBUILD_MODNAME, fw_name); - return status; - } - sprintf(fw_name, "%s_hdr-%d.fw", brcms_firmwares[i], - UCODE_LOADER_API_VER); - status = request_firmware(&wl->fw.fw_hdr[i], fw_name, device); - if (status) { - wiphy_err(wl->wiphy, "%s: fail to load firmware %s\n", - KBUILD_MODNAME, fw_name); - return status; - } - wl->fw.hdr_num_entries[i] = - wl->fw.fw_hdr[i]->size / (sizeof(struct firmware_hdr)); - } - wl->fw.fw_cnt = i; - return brcms_ucode_data_init(wl, &wl->ucode); -} - -/* - * Precondition: Since this function is called in brcms_pci_probe() context, - * no locking is required. - */ -static void brcms_release_fw(struct brcms_info *wl) -{ - int i; - for (i = 0; i < MAX_FW_IMAGES; i++) { - release_firmware(wl->fw.fw_bin[i]); - release_firmware(wl->fw.fw_hdr[i]); - } -} - -/** - * This function frees the WL per-device resources. - * - * This function frees resources owned by the WL device pointed to - * by the wl parameter. - * - * precondition: can both be called locked and unlocked - * - */ -static void brcms_free(struct brcms_info *wl) -{ - struct brcms_timer *t, *next; - - /* free ucode data */ - if (wl->fw.fw_cnt) - brcms_ucode_data_free(&wl->ucode); - if (wl->irq) - free_irq(wl->irq, wl); - - /* kill dpc */ - tasklet_kill(&wl->tasklet); - - if (wl->pub) - brcms_c_module_unregister(wl->pub, "linux", wl); - - /* free common resources */ - if (wl->wlc) { - brcms_c_detach(wl->wlc); - wl->wlc = NULL; - wl->pub = NULL; - } - - /* virtual interface deletion is deferred so we cannot spinwait */ - - /* wait for all pending callbacks to complete */ - while (atomic_read(&wl->callbacks) > 0) - schedule(); - - /* free timers */ - for (t = wl->timers; t; t = next) { - next = t->next; -#ifdef DEBUG - kfree(t->name); -#endif - kfree(t); - } -} - -/* -* called from both kernel as from this kernel module (error flow on attach) -* precondition: perimeter lock is not acquired. -*/ -static void brcms_remove(struct bcma_device *pdev) -{ - struct ieee80211_hw *hw = bcma_get_drvdata(pdev); - struct brcms_info *wl = hw->priv; - - if (wl->wlc) { - wiphy_rfkill_set_hw_state(wl->pub->ieee_hw->wiphy, false); - wiphy_rfkill_stop_polling(wl->pub->ieee_hw->wiphy); - ieee80211_unregister_hw(hw); - } - - brcms_free(wl); - - bcma_set_drvdata(pdev, NULL); - ieee80211_free_hw(hw); -} - -static irqreturn_t brcms_isr(int irq, void *dev_id) -{ - struct brcms_info *wl; - bool ours, wantdpc; - - wl = (struct brcms_info *) dev_id; - - spin_lock(&wl->isr_lock); - - /* call common first level interrupt handler */ - ours = brcms_c_isr(wl->wlc, &wantdpc); - if (ours) { - /* if more to do... */ - if (wantdpc) { - - /* ...and call the second level interrupt handler */ - /* schedule dpc */ - tasklet_schedule(&wl->tasklet); - } - } - - spin_unlock(&wl->isr_lock); - - return IRQ_RETVAL(ours); -} - -/* - * is called in brcms_pci_probe() context, therefore no locking required. - */ -static int ieee_hw_rate_init(struct ieee80211_hw *hw) -{ - struct brcms_info *wl = hw->priv; - struct brcms_c_info *wlc = wl->wlc; - struct ieee80211_supported_band *band; - int has_5g = 0; - u16 phy_type; - - hw->wiphy->bands[IEEE80211_BAND_2GHZ] = NULL; - hw->wiphy->bands[IEEE80211_BAND_5GHZ] = NULL; - - phy_type = brcms_c_get_phy_type(wl->wlc, 0); - if (phy_type == PHY_TYPE_N || phy_type == PHY_TYPE_LCN) { - band = &wlc->bandstate[BAND_2G_INDEX]->band; - *band = brcms_band_2GHz_nphy_template; - if (phy_type == PHY_TYPE_LCN) { - /* Single stream */ - band->ht_cap.mcs.rx_mask[1] = 0; - band->ht_cap.mcs.rx_highest = cpu_to_le16(72); - } - hw->wiphy->bands[IEEE80211_BAND_2GHZ] = band; - } else { - return -EPERM; - } - - /* Assume all bands use the same phy. True for 11n devices. */ - if (wl->pub->_nbands > 1) { - has_5g++; - if (phy_type == PHY_TYPE_N || phy_type == PHY_TYPE_LCN) { - band = &wlc->bandstate[BAND_5G_INDEX]->band; - *band = brcms_band_5GHz_nphy_template; - hw->wiphy->bands[IEEE80211_BAND_5GHZ] = band; - } else { - return -EPERM; - } - } - return 0; -} - -/* - * is called in brcms_pci_probe() context, therefore no locking required. - */ -static int ieee_hw_init(struct ieee80211_hw *hw) -{ - hw->flags = IEEE80211_HW_SIGNAL_DBM - /* | IEEE80211_HW_CONNECTION_MONITOR What is this? */ - | IEEE80211_HW_REPORTS_TX_ACK_STATUS - | IEEE80211_HW_AMPDU_AGGREGATION; - - hw->extra_tx_headroom = brcms_c_get_header_len(); - hw->queues = N_TX_QUEUES; - hw->max_rates = 2; /* Primary rate and 1 fallback rate */ - - /* channel change time is dependent on chip and band */ - hw->channel_change_time = 7 * 1000; - hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION); - - hw->rate_control_algorithm = "minstrel_ht"; - - hw->sta_data_size = 0; - return ieee_hw_rate_init(hw); -} - -/** - * attach to the WL device. - * - * Attach to the WL device identified by vendor and device parameters. - * regs is a host accessible memory address pointing to WL device registers. - * - * brcms_attach is not defined as static because in the case where no bus - * is defined, wl_attach will never be called, and thus, gcc will issue - * a warning that this function is defined but not used if we declare - * it as static. - * - * - * is called in brcms_bcma_probe() context, therefore no locking required. - */ -static struct brcms_info *brcms_attach(struct bcma_device *pdev) -{ - struct brcms_info *wl = NULL; - int unit, err; - struct ieee80211_hw *hw; - u8 perm[ETH_ALEN]; - - unit = n_adapters_found; - err = 0; - - if (unit < 0) - return NULL; - - /* allocate private info */ - hw = bcma_get_drvdata(pdev); - if (hw != NULL) - wl = hw->priv; - if (WARN_ON(hw == NULL) || WARN_ON(wl == NULL)) - return NULL; - wl->wiphy = hw->wiphy; - - atomic_set(&wl->callbacks, 0); - - /* setup the bottom half handler */ - tasklet_init(&wl->tasklet, brcms_dpc, (unsigned long) wl); - - spin_lock_init(&wl->lock); - spin_lock_init(&wl->isr_lock); - - /* prepare ucode */ - if (brcms_request_fw(wl, pdev->bus->host_pci) < 0) { - wiphy_err(wl->wiphy, "%s: Failed to find firmware usually in " - "%s\n", KBUILD_MODNAME, "/lib/firmware/brcm"); - brcms_release_fw(wl); - brcms_remove(pdev); - return NULL; - } - - /* common load-time initialization */ - wl->wlc = brcms_c_attach((void *)wl, pdev, unit, false, &err); - brcms_release_fw(wl); - if (!wl->wlc) { - wiphy_err(wl->wiphy, "%s: attach() failed with code %d\n", - KBUILD_MODNAME, err); - goto fail; - } - wl->pub = brcms_c_pub(wl->wlc); - - wl->pub->ieee_hw = hw; - - /* register our interrupt handler */ - if (request_irq(pdev->bus->host_pci->irq, brcms_isr, - IRQF_SHARED, KBUILD_MODNAME, wl)) { - wiphy_err(wl->wiphy, "wl%d: request_irq() failed\n", unit); - goto fail; - } - wl->irq = pdev->bus->host_pci->irq; - - /* register module */ - brcms_c_module_register(wl->pub, "linux", wl, NULL); - - if (ieee_hw_init(hw)) { - wiphy_err(wl->wiphy, "wl%d: %s: ieee_hw_init failed!\n", unit, - __func__); - goto fail; - } - - memcpy(perm, &wl->pub->cur_etheraddr, ETH_ALEN); - if (WARN_ON(!is_valid_ether_addr(perm))) - goto fail; - SET_IEEE80211_PERM_ADDR(hw, perm); - - err = ieee80211_register_hw(hw); - if (err) - wiphy_err(wl->wiphy, "%s: ieee80211_register_hw failed, status" - "%d\n", __func__, err); - - if (wl->pub->srom_ccode[0]) - err = brcms_set_hint(wl, wl->pub->srom_ccode); - else - err = brcms_set_hint(wl, "US"); - if (err) - wiphy_err(wl->wiphy, "%s: regulatory_hint failed, status %d\n", - __func__, err); - - n_adapters_found++; - return wl; - -fail: - brcms_free(wl); - return NULL; -} - - - -/** - * determines if a device is a WL device, and if so, attaches it. - * - * This function determines if a device pointed to by pdev is a WL device, - * and if so, performs a brcms_attach() on it. - * - * Perimeter lock is initialized in the course of this function. - */ -static int __devinit brcms_bcma_probe(struct bcma_device *pdev) -{ - struct brcms_info *wl; - struct ieee80211_hw *hw; - - dev_info(&pdev->dev, "mfg %x core %x rev %d class %d irq %d\n", - pdev->id.manuf, pdev->id.id, pdev->id.rev, pdev->id.class, - pdev->bus->host_pci->irq); - - if ((pdev->id.manuf != BCMA_MANUF_BCM) || - (pdev->id.id != BCMA_CORE_80211)) - return -ENODEV; - - hw = ieee80211_alloc_hw(sizeof(struct brcms_info), &brcms_ops); - if (!hw) { - pr_err("%s: ieee80211_alloc_hw failed\n", __func__); - return -ENOMEM; - } - - SET_IEEE80211_DEV(hw, &pdev->dev); - - bcma_set_drvdata(pdev, hw); - - memset(hw->priv, 0, sizeof(*wl)); - - wl = brcms_attach(pdev); - if (!wl) { - pr_err("%s: brcms_attach failed!\n", __func__); - return -ENODEV; - } - return 0; -} - -static int brcms_suspend(struct bcma_device *pdev) -{ - struct brcms_info *wl; - struct ieee80211_hw *hw; - - hw = bcma_get_drvdata(pdev); - wl = hw->priv; - if (!wl) { - pr_err("%s: %s: no driver private struct!\n", KBUILD_MODNAME, - __func__); - return -ENODEV; - } - - /* only need to flag hw is down for proper resume */ - spin_lock_bh(&wl->lock); - wl->pub->hw_up = false; - spin_unlock_bh(&wl->lock); - - pr_debug("brcms_suspend ok\n"); - - return 0; -} - -static int brcms_resume(struct bcma_device *pdev) -{ - pr_debug("brcms_resume ok\n"); - return 0; -} - -static struct bcma_driver brcms_bcma_driver = { - .name = KBUILD_MODNAME, - .probe = brcms_bcma_probe, - .suspend = brcms_suspend, - .resume = brcms_resume, - .remove = __devexit_p(brcms_remove), - .id_table = brcms_coreid_table, -}; - -/** - * This is the main entry point for the brcmsmac driver. - * - * This function is scheduled upon module initialization and - * does the driver registration, which result in brcms_bcma_probe() - * call resulting in the driver bringup. - */ -static void brcms_driver_init(struct work_struct *work) -{ - int error; - - error = bcma_driver_register(&brcms_bcma_driver); - if (error) - pr_err("%s: register returned %d\n", __func__, error); -} - -static DECLARE_WORK(brcms_driver_work, brcms_driver_init); - -static int __init brcms_module_init(void) -{ -#ifdef DEBUG - if (msglevel != 0xdeadbeef) - brcm_msg_level = msglevel; -#endif - if (!schedule_work(&brcms_driver_work)) - return -EBUSY; - - return 0; -} - -/** - * This function unloads the brcmsmac driver from the system. - * - * This function unconditionally unloads the brcmsmac driver module from the - * system. - * - */ -static void __exit brcms_module_exit(void) -{ - cancel_work_sync(&brcms_driver_work); - bcma_driver_unregister(&brcms_bcma_driver); -} - -module_init(brcms_module_init); -module_exit(brcms_module_exit); - -/* - * precondition: perimeter lock has been acquired - */ -void brcms_txflowcontrol(struct brcms_info *wl, struct brcms_if *wlif, - bool state, int prio) -{ - wiphy_err(wl->wiphy, "Shouldn't be here %s\n", __func__); -} - -/* - * precondition: perimeter lock has been acquired - */ -void brcms_init(struct brcms_info *wl) -{ - BCMMSG(wl->pub->ieee_hw->wiphy, "wl%d\n", wl->pub->unit); - brcms_reset(wl); - brcms_c_init(wl->wlc, wl->mute_tx); -} - -/* - * precondition: perimeter lock has been acquired - */ -uint brcms_reset(struct brcms_info *wl) -{ - BCMMSG(wl->pub->ieee_hw->wiphy, "wl%d\n", wl->pub->unit); - brcms_c_reset(wl->wlc); - - /* dpc will not be rescheduled */ - wl->resched = false; - - return 0; -} - -void brcms_fatal_error(struct brcms_info *wl) -{ - wiphy_err(wl->wlc->wiphy, "wl%d: fatal error, reinitializing\n", - wl->wlc->pub->unit); - brcms_reset(wl); - ieee80211_restart_hw(wl->pub->ieee_hw); -} - -/* - * These are interrupt on/off entry points. Disable interrupts - * during interrupt state transition. - */ -void brcms_intrson(struct brcms_info *wl) -{ - unsigned long flags; - - spin_lock_irqsave(&wl->isr_lock, flags); - brcms_c_intrson(wl->wlc); - spin_unlock_irqrestore(&wl->isr_lock, flags); -} - -u32 brcms_intrsoff(struct brcms_info *wl) -{ - unsigned long flags; - u32 status; - - spin_lock_irqsave(&wl->isr_lock, flags); - status = brcms_c_intrsoff(wl->wlc); - spin_unlock_irqrestore(&wl->isr_lock, flags); - return status; -} - -void brcms_intrsrestore(struct brcms_info *wl, u32 macintmask) -{ - unsigned long flags; - - spin_lock_irqsave(&wl->isr_lock, flags); - brcms_c_intrsrestore(wl->wlc, macintmask); - spin_unlock_irqrestore(&wl->isr_lock, flags); -} - -/* - * precondition: perimeter lock has been acquired - */ -int brcms_up(struct brcms_info *wl) -{ - int error = 0; - - if (wl->pub->up) - return 0; - - error = brcms_c_up(wl->wlc); - - return error; -} - -/* - * precondition: perimeter lock has been acquired - */ -void brcms_down(struct brcms_info *wl) -{ - uint callbacks, ret_val = 0; - - /* call common down function */ - ret_val = brcms_c_down(wl->wlc); - callbacks = atomic_read(&wl->callbacks) - ret_val; - - /* wait for down callbacks to complete */ - spin_unlock_bh(&wl->lock); - - /* For HIGH_only driver, it's important to actually schedule other work, - * not just spin wait since everything runs at schedule level - */ - SPINWAIT((atomic_read(&wl->callbacks) > callbacks), 100 * 1000); - - spin_lock_bh(&wl->lock); -} - -/* -* precondition: perimeter lock is not acquired - */ -static void _brcms_timer(struct work_struct *work) -{ - struct brcms_timer *t = container_of(work, struct brcms_timer, - dly_wrk.work); - - spin_lock_bh(&t->wl->lock); - - if (t->set) { - if (t->periodic) { - atomic_inc(&t->wl->callbacks); - ieee80211_queue_delayed_work(t->wl->pub->ieee_hw, - &t->dly_wrk, - msecs_to_jiffies(t->ms)); - } else { - t->set = false; - } - - t->fn(t->arg); - } - - atomic_dec(&t->wl->callbacks); - - spin_unlock_bh(&t->wl->lock); -} - -/* - * Adds a timer to the list. Caller supplies a timer function. - * Is called from wlc. - * - * precondition: perimeter lock has been acquired - */ -struct brcms_timer *brcms_init_timer(struct brcms_info *wl, - void (*fn) (void *arg), - void *arg, const char *name) -{ - struct brcms_timer *t; - - t = kzalloc(sizeof(struct brcms_timer), GFP_ATOMIC); - if (!t) - return NULL; - - INIT_DELAYED_WORK(&t->dly_wrk, _brcms_timer); - t->wl = wl; - t->fn = fn; - t->arg = arg; - t->next = wl->timers; - wl->timers = t; - -#ifdef DEBUG - t->name = kmalloc(strlen(name) + 1, GFP_ATOMIC); - if (t->name) - strcpy(t->name, name); -#endif - - return t; -} - -/* - * adds only the kernel timer since it's going to be more accurate - * as well as it's easier to make it periodic - * - * precondition: perimeter lock has been acquired - */ -void brcms_add_timer(struct brcms_timer *t, uint ms, int periodic) -{ - struct ieee80211_hw *hw = t->wl->pub->ieee_hw; - -#ifdef DEBUG - if (t->set) - wiphy_err(hw->wiphy, "%s: Already set. Name: %s, per %d\n", - __func__, t->name, periodic); -#endif - t->ms = ms; - t->periodic = (bool) periodic; - t->set = true; - - atomic_inc(&t->wl->callbacks); - - ieee80211_queue_delayed_work(hw, &t->dly_wrk, msecs_to_jiffies(ms)); -} - -/* - * return true if timer successfully deleted, false if still pending - * - * precondition: perimeter lock has been acquired - */ -bool brcms_del_timer(struct brcms_timer *t) -{ - if (t->set) { - t->set = false; - if (!cancel_delayed_work(&t->dly_wrk)) - return false; - - atomic_dec(&t->wl->callbacks); - } - - return true; -} - -/* - * precondition: perimeter lock has been acquired - */ -void brcms_free_timer(struct brcms_timer *t) -{ - struct brcms_info *wl = t->wl; - struct brcms_timer *tmp; - - /* delete the timer in case it is active */ - brcms_del_timer(t); - - if (wl->timers == t) { - wl->timers = wl->timers->next; -#ifdef DEBUG - kfree(t->name); -#endif - kfree(t); - return; - - } - - tmp = wl->timers; - while (tmp) { - if (tmp->next == t) { - tmp->next = t->next; -#ifdef DEBUG - kfree(t->name); -#endif - kfree(t); - return; - } - tmp = tmp->next; - } - -} - -/* - * precondition: perimeter lock has been acquired - */ -int brcms_ucode_init_buf(struct brcms_info *wl, void **pbuf, u32 idx) -{ - int i, entry; - const u8 *pdata; - struct firmware_hdr *hdr; - for (i = 0; i < wl->fw.fw_cnt; i++) { - hdr = (struct firmware_hdr *)wl->fw.fw_hdr[i]->data; - for (entry = 0; entry < wl->fw.hdr_num_entries[i]; - entry++, hdr++) { - u32 len = le32_to_cpu(hdr->len); - if (le32_to_cpu(hdr->idx) == idx) { - pdata = wl->fw.fw_bin[i]->data + - le32_to_cpu(hdr->offset); - *pbuf = kmemdup(pdata, len, GFP_ATOMIC); - if (*pbuf == NULL) - goto fail; - - return 0; - } - } - } - wiphy_err(wl->wiphy, "ERROR: ucode buf tag:%d can not be found!\n", - idx); - *pbuf = NULL; -fail: - return -ENODATA; -} - -/* - * Precondition: Since this function is called in brcms_bcma_probe() context, - * no locking is required. - */ -int brcms_ucode_init_uint(struct brcms_info *wl, size_t *n_bytes, u32 idx) -{ - int i, entry; - const u8 *pdata; - struct firmware_hdr *hdr; - for (i = 0; i < wl->fw.fw_cnt; i++) { - hdr = (struct firmware_hdr *)wl->fw.fw_hdr[i]->data; - for (entry = 0; entry < wl->fw.hdr_num_entries[i]; - entry++, hdr++) { - if (le32_to_cpu(hdr->idx) == idx) { - pdata = wl->fw.fw_bin[i]->data + - le32_to_cpu(hdr->offset); - if (le32_to_cpu(hdr->len) != 4) { - wiphy_err(wl->wiphy, - "ERROR: fw hdr len\n"); - return -ENOMSG; - } - *n_bytes = le32_to_cpu(*((__le32 *) pdata)); - return 0; - } - } - } - wiphy_err(wl->wiphy, "ERROR: ucode tag:%d can not be found!\n", idx); - return -ENOMSG; -} - -/* - * precondition: can both be called locked and unlocked - */ -void brcms_ucode_free_buf(void *p) -{ - kfree(p); -} - -/* - * checks validity of all firmware images loaded from user space - * - * Precondition: Since this function is called in brcms_bcma_probe() context, - * no locking is required. - */ -int brcms_check_firmwares(struct brcms_info *wl) -{ - int i; - int entry; - int rc = 0; - const struct firmware *fw; - const struct firmware *fw_hdr; - struct firmware_hdr *ucode_hdr; - for (i = 0; i < MAX_FW_IMAGES && rc == 0; i++) { - fw = wl->fw.fw_bin[i]; - fw_hdr = wl->fw.fw_hdr[i]; - if (fw == NULL && fw_hdr == NULL) { - break; - } else if (fw == NULL || fw_hdr == NULL) { - wiphy_err(wl->wiphy, "%s: invalid bin/hdr fw\n", - __func__); - rc = -EBADF; - } else if (fw_hdr->size % sizeof(struct firmware_hdr)) { - wiphy_err(wl->wiphy, "%s: non integral fw hdr file " - "size %zu/%zu\n", __func__, fw_hdr->size, - sizeof(struct firmware_hdr)); - rc = -EBADF; - } else if (fw->size < MIN_FW_SIZE || fw->size > MAX_FW_SIZE) { - wiphy_err(wl->wiphy, "%s: out of bounds fw file size " - "%zu\n", __func__, fw->size); - rc = -EBADF; - } else { - /* check if ucode section overruns firmware image */ - ucode_hdr = (struct firmware_hdr *)fw_hdr->data; - for (entry = 0; entry < wl->fw.hdr_num_entries[i] && - !rc; entry++, ucode_hdr++) { - if (le32_to_cpu(ucode_hdr->offset) + - le32_to_cpu(ucode_hdr->len) > - fw->size) { - wiphy_err(wl->wiphy, - "%s: conflicting bin/hdr\n", - __func__); - rc = -EBADF; - } - } - } - } - if (rc == 0 && wl->fw.fw_cnt != i) { - wiphy_err(wl->wiphy, "%s: invalid fw_cnt=%d\n", __func__, - wl->fw.fw_cnt); - rc = -EBADF; - } - return rc; -} - -/* - * precondition: perimeter lock has been acquired - */ -bool brcms_rfkill_set_hw_state(struct brcms_info *wl) -{ - bool blocked = brcms_c_check_radio_disabled(wl->wlc); - - spin_unlock_bh(&wl->lock); - wiphy_rfkill_set_hw_state(wl->pub->ieee_hw->wiphy, blocked); - if (blocked) - wiphy_rfkill_start_polling(wl->pub->ieee_hw->wiphy); - spin_lock_bh(&wl->lock); - return blocked; -} - -/* - * precondition: perimeter lock has been acquired - */ -void brcms_msleep(struct brcms_info *wl, uint ms) -{ - spin_unlock_bh(&wl->lock); - msleep(ms); - spin_lock_bh(&wl->lock); -} |