#define DOWNLOAD_BLOCK_SIZE_WR (0x1000 - 4)
/* an SPI message cannot be bigger than (2"12-1)*2 bytes
- * "*2" to cvt to bytes */
+ * "*2" to cvt to bytes
+ */
#define MAX_SZ_RD_WR_BUFFERS (DOWNLOAD_BLOCK_SIZE_WR*2)
#define PIGGYBACK_CTRL_REG (2)
#define EFFECTIVE_BUF_SIZE (MAX_SZ_RD_WR_BUFFERS - PIGGYBACK_CTRL_REG)
return ret;
/* If the device returns WLAN_RDY as 1, the device is active and will
- * remain active. */
+ * remain active.
+ */
if (ctrl_reg & ST90TDS_CONT_RDY_BIT) {
pr_debug("[BH] Device awake.\n");
return 1;
}
/* Add SIZE of PIGGYBACK reg (CONTROL Reg)
- * to the NEXT Message length + 2 Bytes for SKB */
+ * to the NEXT Message length + 2 Bytes for SKB
+ */
read_len = read_len + 2;
alloc_len = priv->hwbus_ops->align_size(
/* Scan status */
struct cw1200_scan scan;
/* Keep cw1200 awake (WUP = 1) 1 second after each scan to avoid
- * FW issue with sleeping/waking up. */
+ * FW issue with sleeping/waking up.
+ */
atomic_t recent_scan;
struct delayed_work clear_recent_scan_work;
}
/* Disconnect Function to be called by SDIO stack when
- * device is disconnected */
+ * device is disconnected
+ */
static void cw1200_sdio_disconnect(struct sdio_func *func)
{
struct hwbus_priv *self = sdio_get_drvdata(func);
#define SET_WRITE 0x7FFF /* usage: and operation */
#define SET_READ 0x8000 /* usage: or operation */
-/*
- Notes on byte ordering:
+/* Notes on byte ordering:
LE: B0 B1 B2 B3
BE: B3 B2 B1 B0
Hardware expects 32-bit data to be written as 16-bit BE words:
B1 B0 B3 B2
-
*/
static int cw1200_spi_memcpy_fromio(struct hwbus_priv *self,
#define CW1200_APB(addr) (PAC_SHARED_MEMORY_SILICON + (addr))
-/* ***************************************************************
-*Device register definitions
-*************************************************************** */
+/* Device register definitions */
+
/* WBF - SPI Register Addresses */
#define ST90TDS_ADDR_ID_BASE (0x0000)
/* 16/32 bits */
bf_tbl.num = __cpu_to_le32(3);
}
- /*
- * When acting as p2p client being connected to p2p GO, in order to
- * receive frames from a different p2p device, turn off bssid filter.
- *
- * WARNING: FW dependency!
- * This can only be used with FW WSM371 and its successors.
- * In that FW version even with bssid filter turned off,
- * device will block most of the unwanted frames.
- */
+ /* When acting as p2p client being connected to p2p GO, in order to
+ * receive frames from a different p2p device, turn off bssid filter.
+ *
+ * WARNING: FW dependency!
+ * This can only be used with FW WSM371 and its successors.
+ * In that FW version even with bssid filter turned off,
+ * device will block most of the unwanted frames.
+ */
if (is_p2p)
bssid_filtering = false;
/* RSSI: signed Q8.0, RCPI: unsigned Q7.1
* RSSI = RCPI / 2 - 110
*/
- int rcpiRssi = (int)(event->evt.data & 0xFF);
+ int rcpi_rssi = (int)(event->evt.data & 0xFF);
int cqm_evt;
if (priv->cqm_use_rssi)
- rcpiRssi = (s8)rcpiRssi;
+ rcpi_rssi = (s8)rcpi_rssi;
else
- rcpiRssi = rcpiRssi / 2 - 110;
+ rcpi_rssi = rcpi_rssi / 2 - 110;
- cqm_evt = (rcpiRssi <= priv->cqm_rssi_thold) ?
+ cqm_evt = (rcpi_rssi <= priv->cqm_rssi_thold) ?
NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW :
NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH;
- pr_debug("[CQM] RSSI event: %d.\n", rcpiRssi);
+ pr_debug("[CQM] RSSI event: %d.\n", rcpi_rssi);
ieee80211_cqm_rssi_notify(priv->vif, cqm_evt,
GFP_KERNEL);
break;
/* ******************************************************************** */
/* Internal API */
-/*
- * This function is called to Parse the SDD file
+/* This function is called to Parse the SDD file
* to extract listen_interval and PTA related information
* sdd is a TLV: u8 id, u8 len, u8 data[]
*/
BUG_ON(rates[0].idx < 0);
memset(policy, 0, sizeof(*policy));
- /* minstrel is buggy a little bit, so distille
- * incoming rates first. */
-
/* Sort rates in descending order. */
for (i = 1; i < count; ++i) {
if (rates[i].idx < 0) {
count = i + 1;
/* Re-fill policy trying to keep every requested rate and with
- * respect to the global max tx retransmission count. */
+ * respect to the global max tx retransmission count.
+ */
if (limit < count)
limit = count;
if (total > limit) {
if (count == 2 && !(rates[0].flags & IEEE80211_TX_RC_MCS) &&
rates[0].idx > 4 && rates[0].count > 2 &&
rates[1].idx < 2) {
- /* ">> 1" is an equivalent of "/ 2", but faster */
int mid_rate = (rates[0].idx + 4) >> 1;
/* Decrease number of retries for the initial rate */
/* Fallback to 1 Mbps is a really bad thing,
* so let's try to increase probability of
* successful transmission on the lowest g rate
- * even more */
+ * even more
+ */
if (rates[0].count >= 3) {
--rates[0].count;
++rates[2].count;
{
/* O(n) complexity. Not so good, but there's only 8 entries in
* the cache.
- * Also lru helps to reduce search time. */
+ * Also lru helps to reduce search time.
+ */
struct tx_policy_cache_entry *it;
/* First search for policy in "used" list */
list_for_each_entry(it, &cache->used, link) {
for (idx = 0; idx < TX_POLICY_CACHE_SIZE; idx++) {
entry = &cache->cache[idx];
/* Policy usage count should be 0 at this time as all queues
- should be empty */
+ should be empty
+ */
if (WARN_ON(entry->policy.usage_count)) {
entry->policy.usage_count = 0;
list_move(&entry->link, &cache->free);
struct tx_policy_cache_entry *entry;
*renew = true;
/* If policy is not found create a new one
- * using the oldest entry in "free" list */
+ * using the oldest entry in "free" list
+ */
entry = list_entry(cache->free.prev,
struct tx_policy_cache_entry, link);
entry->policy = wanted;
priv->listen_interval,
mgt_frame->u.assoc_req.listen_interval);
/* Replace listen interval derieved from
- * the one read from SDD */
+ * the one read from SDD
+ */
mgt_frame->u.assoc_req.listen_interval =
priv->listen_interval;
}
pr_debug("[TX] TX policy renew.\n");
/* It's not so optimal to stop TX queues every now and then.
* Better to reimplement task scheduling with
- * a counter. TODO. */
+ * a counter. TODO.
+ */
wsm_lock_tx_async(priv);
cw1200_tx_queues_lock(priv);
if (queue_work(priv->workqueue,
priv->pspoll_mask |= pspoll_mask;
drop = 0;
- /* Do not report pspols if data for given link id is
- * queued already. */
+ /* Do not report pspols if data for given link id is queued already. */
for (i = 0; i < 4; ++i) {
if (cw1200_queue_get_num_queued(&priv->tx_queue[i],
pspoll_mask)) {
cw1200_debug_txed(priv);
if (arg->flags & WSM_TX_STATUS_AGGREGATION) {
/* Do not report aggregation to mac80211:
- * it confuses minstrel a lot. */
+ * it confuses minstrel a lot.
+ */
/* tx->flags |= IEEE80211_TX_STAT_AMPDU; */
cw1200_debug_txed_agg(priv);
}
ieee80211_is_action(frame->frame_control) &&
(mgmt->u.action.category == WLAN_CATEGORY_PUBLIC)) {
/* Link ID already exists for the ACTION frame.
- * Reset and Remap */
+ * Reset and Remap
+ */
WARN_ON(work_pending(&priv->linkid_reset_work));
memcpy(&priv->action_frame_sa[0],
ieee80211_get_SA(frame), ETH_ALEN);
if (cw1200_handle_pspoll(priv, skb))
goto drop;
- hdr->mactime = 0; /* Not supported by WSM */
hdr->band = ((arg->channel_number & 0xff00) ||
(arg->channel_number > 14)) ?
IEEE80211_BAND_5GHZ : IEEE80211_BAND_2GHZ;
hdr->flag |= RX_FLAG_DECRYPTED | RX_FLAG_IV_STRIPPED;
/* Oops... There is no fast way to ask mac80211 about
- * IV/ICV lengths. Even defineas are not exposed.*/
+ * IV/ICV lengths. Even defineas are not exposed.
+ */
switch (WSM_RX_STATUS_ENCRYPTION(arg->flags)) {
case WSM_RX_STATUS_WEP:
iv_len = 4 /* WEP_IV_LEN */;
hdr->mactime = le64_to_cpu(hdr->mactime);
if (skb->len >= 8)
skb_trim(skb, skb->len - 8);
+ } else {
+ hdr->mactime = 0;
}
cw1200_debug_rxed(priv);
/* Stay awake after frame is received to give
* userspace chance to react and acquire appropriate
- * wakelock. */
+ * wakelock.
+ */
if (ieee80211_is_auth(frame->frame_control))
grace_period = 5 * HZ;
else if (ieee80211_is_deauth(frame->frame_control))
else
pr_debug("[WSM] >>> 0x%.4X (%zu)\n", cmd, buf_len);
- /*
- * Due to buggy SPI on CW1200, we need to
+ /* Due to buggy SPI on CW1200, we need to
* pad the message by a few bytes to ensure
* that it's completely received.
*/
#define WSM_JOIN_FLAGS_P2P_GO BIT(1)
/* Force to join BSS with the BSSID and the
* SSID specified without waiting for beacons. The
- * ProbeForJoin parameter is ignored. */
+ * ProbeForJoin parameter is ignored.
+ */
#define WSM_JOIN_FLAGS_FORCE BIT(2)
/* Give probe request/response higher
- * priority over the BT traffic */
+ * priority over the BT traffic
+ */
#define WSM_JOIN_FLAGS_PRIO BIT(3)
/* Issue immediate join confirmation and use
- * join complete to notify about completion */
+ * join complete to notify about completion
+ */
#define WSM_JOIN_FLAGS_FORCE_WITH_COMPLETE_IND BIT(5)
/* Key types */
u16 reserved;
union {
struct {
- u8 peer[6]; /* MAC address of the
- * peer station */
+ u8 peer[6]; /* MAC address of the peer station */
u8 reserved;
u8 keylen; /* Key length in bytes */
u8 keydata[16]; /* Key data */
} __packed wep_pairwise;
struct {
- u8 keyid; /* Unique per key identifier
- * (0..3) */
+ u8 keyid; /* Unique per key identifier (0..3) */
u8 keylen; /* Key length in bytes */
u16 reserved;
u8 keydata[16]; /* Key data */
} __packed wep_group;
struct {
- u8 peer[6]; /* MAC address of the
- * peer station */
+ u8 peer[6]; /* MAC address of the peer station */
u16 reserved;
u8 keydata[16]; /* TKIP key data */
u8 rx_mic_key[8]; /* Rx MIC key */
u8 rx_seqnum[8]; /* Receive Sequence Counter */
} __packed tkip_group;
struct {
- u8 peer[6]; /* MAC address of the
- * peer station */
+ u8 peer[6]; /* MAC address of the peer station */
u16 reserved;
u8 keydata[16]; /* AES key data */
} __packed aes_pairwise;
u8 rx_seqnum[8]; /* Receive Sequence Counter */
} __packed aes_group;
struct {
- u8 peer[6]; /* MAC address of the
- * peer station */
+ u8 peer[6]; /* MAC address of the peer station */
u8 keyid; /* Key ID */
u8 reserved;
u8 keydata[16]; /* WAPI key data */
* finishes.
* BIT(3) - Count initial frame transmission as part of
* rate retry counting but not as a retry
- * attempt */
+ * attempt
+ */
u8 flags;
u8 rate_recoveries;
u8 reserved[3];
#define D11_MAX_SSID_LEN (32)
struct wsm_p2p_device_type {
- __le16 categoryId;
+ __le16 category_id;
u8 oui[4];
- __le16 subCategoryId;
+ __le16 subcategory_id;
} __packed;
struct wsm_p2p_device_info {
struct wsm_p2p_device_type primaryDevice;
u8 reserved1[3];
- u8 devNameSize;
- u8 localDevName[D11_MAX_SSID_LEN];
+ u8 devname_size;
+ u8 local_devname[D11_MAX_SSID_LEN];
u8 reserved2[3];
- u8 numSecDevSupported;
- struct wsm_p2p_device_type secondaryDevices[0];
+ u8 num_secdev_supported;
+ struct wsm_p2p_device_type secdevs[0];
} __packed;
/* 4.36 SetWCDMABand - WO */
struct wsm_cdma_band {
- u8 WCDMA_Band;
+ u8 wcdma_band;
u8 reserved[3];
} __packed;
#define WSM_GPIO_ALL_PINS 0xFF
struct wsm_gpio_command {
- u8 GPIO_Command;
+ u8 command;
u8 pin;
__le16 config;
} __packed;
/* 4.41 TSFCounter - RO */
struct wsm_tsf_counter {
- __le64 TSF_Counter;
+ __le64 tsf_counter;
} __packed;
/* 4.43 Keep alive period */
struct wsm_keep_alive_period {
- __le16 keepAlivePeriod;
+ __le16 period;
u8 reserved[2];
} __packed;
int period)
{
struct wsm_keep_alive_period arg = {
- .keepAlivePeriod = __cpu_to_le16(period),
+ .period = __cpu_to_le16(period),
};
return wsm_write_mib(priv, WSM_MIB_ID_KEEP_ALIVE_PERIOD,
&arg, sizeof(arg));
/* P2P Power Save Mode Info - 4.31 */
struct wsm_p2p_ps_modeinfo {
- u8 oppPsCTWindow;
+ u8 opp_ps_ct_window;
u8 count;
u8 reserved;
- u8 dtimCount;
+ u8 dtim_count;
__le32 duration;
__le32 interval;
- __le32 startTime;
+ __le32 start_time;
} __packed;
static inline int wsm_set_p2p_ps_modeinfo(struct cw1200_common *priv,
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