linux/drivers/net/wireless/rsi/rsi_91x_core.c

/*
 * Copyright (c) 2014 Redpine Signals Inc.
 *
 * 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.
 */

#include "rsi_mgmt.h"
#include "rsi_common.h"
#include "rsi_hal.h"
#include "rsi_coex.h"

/**
 * rsi_determine_min_weight_queue() - This function determines the queue with
 *				      the min weight.
 * @common: Pointer to the driver private structure.
 *
 * Return: q_num: Corresponding queue number.
 */
static u8 rsi_determine_min_weight_queue(struct rsi_common *common)
{ … }

/**
 * rsi_recalculate_weights() - This function recalculates the weights
 *			       corresponding to each queue.
 * @common: Pointer to the driver private structure.
 *
 * Return: recontend_queue bool variable
 */
static bool rsi_recalculate_weights(struct rsi_common *common)
{ … }

/**
 * rsi_get_num_pkts_dequeue() - This function determines the number of
 *		                packets to be dequeued based on the number
 *			        of bytes calculated using txop.
 *
 * @common: Pointer to the driver private structure.
 * @q_num: the queue from which pkts have to be dequeued
 *
 * Return: pkt_num: Number of pkts to be dequeued.
 */
static u32 rsi_get_num_pkts_dequeue(struct rsi_common *common, u8 q_num)
{ … }

/**
 * rsi_core_determine_hal_queue() - This function determines the queue from
 *				    which packet has to be dequeued.
 * @common: Pointer to the driver private structure.
 *
 * Return: q_num: Corresponding queue number on success.
 */
static u8 rsi_core_determine_hal_queue(struct rsi_common *common)
{ … }

/**
 * rsi_core_queue_pkt() - This functions enqueues the packet to the queue
 *			  specified by the queue number.
 * @common: Pointer to the driver private structure.
 * @skb: Pointer to the socket buffer structure.
 *
 * Return: None.
 */
static void rsi_core_queue_pkt(struct rsi_common *common,
			       struct sk_buff *skb)
{ … }

/**
 * rsi_core_dequeue_pkt() - This functions dequeues the packet from the queue
 *			    specified by the queue number.
 * @common: Pointer to the driver private structure.
 * @q_num: Queue number.
 *
 * Return: Pointer to sk_buff structure.
 */
static struct sk_buff *rsi_core_dequeue_pkt(struct rsi_common *common,
					    u8 q_num)
{ … }

/**
 * rsi_core_qos_processor() - This function is used to determine the wmm queue
 *			      based on the backoff procedure. Data packets are
 *			      dequeued from the selected hal queue and sent to
 *			      the below layers.
 * @common: Pointer to the driver private structure.
 *
 * Return: None.
 */
void rsi_core_qos_processor(struct rsi_common *common)
{ … }

struct rsi_sta *rsi_find_sta(struct rsi_common *common, u8 *mac_addr)
{ … }

struct ieee80211_vif *rsi_get_vif(struct rsi_hw *adapter, u8 *mac)
{ … }

/**
 * rsi_core_xmit() - This function transmits the packets received from mac80211
 * @common: Pointer to the driver private structure.
 * @skb: Pointer to the socket buffer structure.
 *
 * Return: None.
 */
void rsi_core_xmit(struct rsi_common *common, struct sk_buff *skb)
{ … }