Commit ce9e2e1b authored by Lennert Buytenhek's avatar Lennert Buytenhek Committed by John W. Linville
Browse files

mwl8k: various coding style cleanups 



Signed-off-by: default avatarLennert Buytenhek <buytenh@marvell.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent ff45fc60

drivers/net/wireless/mwl8k.c

+57 −73
Original line number Diff line number Diff line 
/*

 * drivers/net/wireless/mwl8k.c driver for Marvell TOPDOG 802.11 Wireless cards

 * drivers/net/wireless/mwl8k.c

 * Driver for Marvell TOPDOG 802.11 Wireless cards

 *

 * Copyright (C) 2008 Marvell Semiconductor Inc.

 *
@@ -331,7 +332,7 @@ static const char *mwl8k_cmd_name(u16 cmd, char *buf, int bufsize) 
					snprintf(buf, bufsize, "%s", #x);\

					return buf;\

					} while (0)

	switch (cmd & (~0x8000)) {

	switch (cmd & ~0x8000) {

		MWL8K_CMDNAME(CODE_DNLD);

		MWL8K_CMDNAME(GET_HW_SPEC);

		MWL8K_CMDNAME(MAC_MULTICAST_ADR);
@@ -1078,8 +1079,7 @@ static int mwl8k_txq_init(struct ieee80211_hw *hw, int index) 
	int size;

	int i;



	memset(&txq->tx_stats, 0,

		sizeof(struct ieee80211_tx_queue_stats));

	memset(&txq->tx_stats, 0, sizeof(struct ieee80211_tx_queue_stats));

	txq->tx_stats.limit = MWL8K_TX_DESCS;

	txq->tx_head = 0;

	txq->tx_tail = 0;
@@ -1181,10 +1181,10 @@ static int mwl8k_scan_tx_ring(struct mwl8k_priv *priv, 


static int mwl8k_tx_wait_empty(struct ieee80211_hw *hw, u32 delay_ms)

{

	u32 count = 0;

	unsigned long timeout = 0;

	struct mwl8k_priv *priv = hw->priv;

	DECLARE_COMPLETION_ONSTACK(cmd_wait);

	u32 count;

	unsigned long timeout;



	might_sleep();
@@ -1229,6 +1229,7 @@ static int mwl8k_tx_wait_empty(struct ieee80211_hw *hw, u32 delay_ms) 
					txinfo[index].fw_owned,

					txinfo[index].drv_owned,

					txinfo[index].unused);



		return -ETIMEDOUT;

	}
@@ -1251,7 +1252,7 @@ static void mwl8k_txq_reclaim(struct ieee80211_hw *hw, int index, int force) 
		int rc;

		struct mwl8k_tx_desc *tx_desc;

		unsigned long addr;

		size_t size;

		int size;

		struct sk_buff *skb;

		struct ieee80211_tx_info *info;

		u32 status;
@@ -1275,7 +1276,7 @@ static void mwl8k_txq_reclaim(struct ieee80211_hw *hw, int index, int force) 
		priv->pending_tx_pkts--;



		addr = le32_to_cpu(tx_desc->pkt_phys_addr);

		size = (u32)(le16_to_cpu(tx_desc->pkt_len));

		size = le16_to_cpu(tx_desc->pkt_len);

		skb = txq->tx_skb[tx].skb;

		txq->tx_skb[tx].skb = NULL;
@@ -1312,12 +1313,8 @@ static void mwl8k_txq_reclaim(struct ieee80211_hw *hw, int index, int force) 


		info = IEEE80211_SKB_CB(skb);

		ieee80211_tx_info_clear_status(info);



		/* Convert firmware status stuff into tx_status */

		if (MWL8K_TXD_SUCCESS(status)) {

			/* Transmit OK */

		if (MWL8K_TXD_SUCCESS(status))

			info->flags |= IEEE80211_TX_STAT_ACK;

		}



		ieee80211_tx_status_irqsafe(hw, skb);
@@ -1522,7 +1519,6 @@ static int mwl8k_post_cmd(struct ieee80211_hw *hw, struct mwl8k_cmd_pkt *cmd) 
	dma_addr_t dma_addr;

	unsigned int dma_size;

	int rc;

	u16 __iomem *result;

	unsigned long timeout = 0;

	u8 buf[32];
@@ -1551,7 +1547,6 @@ static int mwl8k_post_cmd(struct ieee80211_hw *hw, struct mwl8k_cmd_pkt *cmd) 
	pci_unmap_single(priv->pdev, dma_addr, dma_size,

					PCI_DMA_BIDIRECTIONAL);



	result = &cmd->result;

	if (!timeout) {

		spin_lock_irq(&priv->fw_lock);

		priv->hostcmd_wait = NULL;
@@ -1562,12 +1557,12 @@ static int mwl8k_post_cmd(struct ieee80211_hw *hw, struct mwl8k_cmd_pkt *cmd) 
		       MWL8K_CMD_TIMEOUT_MS);

		rc = -ETIMEDOUT;

	} else {

		rc = *result ? -EINVAL : 0;

		rc = cmd->result ? -EINVAL : 0;

		if (rc)

			printk(KERN_ERR "%s: Command %s error 0x%x\n",

			       priv->name,

			       mwl8k_cmd_name(cmd->code, buf, sizeof(buf)),

			       *result);

			       cmd->result);

	}



	return rc;
@@ -1638,10 +1633,11 @@ struct mwl8k_cmd_mac_multicast_adr { 
	struct mwl8k_cmd_pkt header;

	__le16 action;

	__le16 numaddr;

	__u8 addr[1][ETH_ALEN];

	__u8 addr[0][ETH_ALEN];

};



#define MWL8K_ENABLE_RX_MULTICAST 0x000F



static int mwl8k_cmd_mac_multicast_adr(struct ieee80211_hw *hw,

					int mc_count,

					struct dev_addr_list *mclist)
@@ -1649,7 +1645,8 @@ static int mwl8k_cmd_mac_multicast_adr(struct ieee80211_hw *hw, 
	struct mwl8k_cmd_mac_multicast_adr *cmd;

	int index = 0;

	int rc;

	int size = sizeof(*cmd) + ((mc_count - 1) * ETH_ALEN);

	int size = sizeof(*cmd) + mc_count * ETH_ALEN;



	cmd = kzalloc(size, GFP_KERNEL);

	if (cmd == NULL)

		return -ENOMEM;
@@ -1658,13 +1655,13 @@ static int mwl8k_cmd_mac_multicast_adr(struct ieee80211_hw *hw, 
	cmd->header.length = cpu_to_le16(size);

	cmd->action = cpu_to_le16(MWL8K_ENABLE_RX_MULTICAST);

	cmd->numaddr = cpu_to_le16(mc_count);

	while ((index < mc_count) && mclist) {



	while (index < mc_count && mclist) {

		if (mclist->da_addrlen != ETH_ALEN) {

			rc = -EINVAL;

			goto mwl8k_cmd_mac_multicast_adr_exit;

		}

		memcpy(cmd->addr[index], mclist->da_addr, ETH_ALEN);

		index++;

		memcpy(cmd->addr[index++], mclist->da_addr, ETH_ALEN);

		mclist = mclist->next;

	}
@@ -1846,7 +1843,7 @@ struct mwl8k_cmd_set_post_scan { 
} __attribute__((packed));



static int

mwl8k_cmd_set_post_scan(struct ieee80211_hw *hw, __u8 mac[ETH_ALEN])

mwl8k_cmd_set_post_scan(struct ieee80211_hw *hw, __u8 *mac)

{

	struct mwl8k_cmd_set_post_scan *cmd;

	int rc;
@@ -1980,7 +1977,7 @@ static int mwl8k_enable_sniffer(struct ieee80211_hw *hw, bool enable) 


	cmd->header.code = cpu_to_le16(MWL8K_CMD_ENABLE_SNIFFER);

	cmd->header.length = cpu_to_le16(sizeof(*cmd));

	cmd->action = enable ? cpu_to_le32((u32)MWL8K_CMD_SET) : 0;

	cmd->action = cpu_to_le32(!!enable);



	rc = mwl8k_post_cmd(hw, &cmd->header);

	kfree(cmd);
@@ -1989,7 +1986,7 @@ static int mwl8k_enable_sniffer(struct ieee80211_hw *hw, bool enable) 
}



/*

 * CMD_SET_RATE_ADAPT_MODE.

 * CMD_SET_RATEADAPT_MODE.

 */

struct mwl8k_cmd_set_rate_adapt_mode {

	struct mwl8k_cmd_pkt header;
@@ -2117,22 +2114,18 @@ mwl8k_set_edca_params(struct ieee80211_hw *hw, __u8 qnum, 
		__u8 aifs, __u16 txop)

{

	struct mwl8k_cmd_set_edca_params *cmd;

	u32 log_cw_min, log_cw_max;

	int rc;



	cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);

	if (cmd == NULL)

		return -ENOMEM;



	log_cw_min = ilog2(cw_min+1);

	log_cw_max = ilog2(cw_max+1);

	cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_EDCA_PARAMS);

	cmd->header.length = cpu_to_le16(sizeof(*cmd));



	cmd->action = cpu_to_le16(MWL8K_SET_EDCA_ALL);

	cmd->txop = cpu_to_le16(txop);

	cmd->log_cw_max = (u8)log_cw_max;

	cmd->log_cw_min = (u8)log_cw_min;

	cmd->log_cw_max = (u8)ilog2(cw_max + 1);

	cmd->log_cw_min = (u8)ilog2(cw_min + 1);

	cmd->aifs = aifs;

	cmd->txq = qnum;
@@ -2173,11 +2166,7 @@ static int mwl8k_finalize_join(struct ieee80211_hw *hw, void *frame, 


	cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_FINALIZE_JOIN);

	cmd->header.length = cpu_to_le16(sizeof(*cmd));



	if (dtim)

		cmd->sleep_interval = cpu_to_le32(dtim);

	else

		cmd->sleep_interval = cpu_to_le32(1);

	cmd->sleep_interval = cpu_to_le32(dtim ? dtim : 1);



	hdrlen = ieee80211_hdrlen(payload->frame_control);
@@ -2189,8 +2178,8 @@ static int mwl8k_finalize_join(struct ieee80211_hw *hw, void *frame, 
			"sent to firmware. Sz=%u MAX=%u\n", __func__,

			payload_len, MWL8K_FJ_BEACON_MAXLEN);



	payload_len = payload_len > MWL8K_FJ_BEACON_MAXLEN ?

				MWL8K_FJ_BEACON_MAXLEN : payload_len;

	if (payload_len > MWL8K_FJ_BEACON_MAXLEN)

		payload_len = MWL8K_FJ_BEACON_MAXLEN;



	if (payload && payload_len)

		memcpy(cmd->beacon_data, &payload->u.beacon, payload_len);
@@ -2313,8 +2302,6 @@ static int mwl8k_cmd_set_aid(struct ieee80211_hw *hw, 


	memcpy(cmd->bssid, mv_vif->bssid, ETH_ALEN);



	prot_mode = MWL8K_FRAME_PROT_DISABLED;



	if (info->use_cts_prot) {

		prot_mode = MWL8K_FRAME_PROT_11G;

	} else {
@@ -2331,7 +2318,6 @@ static int mwl8k_cmd_set_aid(struct ieee80211_hw *hw, 
			break;

		}

	}



	cmd->protection_mode = cpu_to_le16(prot_mode);



	for (count = 0; count < mv_vif->legacy_nrates; count++)
@@ -3171,8 +3157,9 @@ static int mwl8k_configure_filter_wt(struct work_struct *wt) 
	if (rc)

		goto mwl8k_configure_filter_exit;

	if (mc_count) {

		mc_count = mc_count < priv->num_mcaddrs ?

				mc_count : priv->num_mcaddrs;

		if (mc_count > priv->num_mcaddrs)

			mc_count = priv->num_mcaddrs;



		rc = mwl8k_cmd_mac_multicast_adr(hw, mc_count, mclist);

		if (rc)

			printk(KERN_ERR
@@ -3411,13 +3398,10 @@ static void mwl8k_tx_reclaim_handler(unsigned long data) 
	for (i = 0; i < MWL8K_TX_QUEUES; i++)

		mwl8k_txq_reclaim(hw, i, 0);



	if (priv->tx_wait != NULL) {

		int count = mwl8k_txq_busy(priv);

		if (count == 0) {

	if (priv->tx_wait != NULL && mwl8k_txq_busy(priv) == 0) {

		complete(priv->tx_wait);

		priv->tx_wait = NULL;

	}

	}

	spin_unlock_bh(&priv->tx_lock);

}
@@ -3426,7 +3410,7 @@ static void mwl8k_finalize_join_worker(struct work_struct *work) 
	struct mwl8k_priv *priv =

		container_of(work, struct mwl8k_priv, finalize_join_worker);

	struct sk_buff *skb = priv->beacon_skb;

	u8 dtim = (MWL8K_VIF(priv->vif))->bss_info.dtim_period;

	u8 dtim = MWL8K_VIF(priv->vif)->bss_info.dtim_period;



	mwl8k_finalize_join(priv->hw, skb->data, skb->len, dtim);

	dev_kfree_skb(skb);
@@ -3513,7 +3497,7 @@ static int __devinit mwl8k_probe(struct pci_dev *pdev, 
		BIT(NL80211_IFTYPE_STATION) | BIT(NL80211_IFTYPE_MONITOR);



	/* Set rssi and noise values to dBm */

	hw->flags |= (IEEE80211_HW_SIGNAL_DBM | IEEE80211_HW_NOISE_DBM);

	hw->flags |= IEEE80211_HW_SIGNAL_DBM | IEEE80211_HW_NOISE_DBM;

	hw->vif_data_size = sizeof(struct mwl8k_vif);

	priv->vif = NULL;

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