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https://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
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b72acddbbe
This adds counters for tx and rx bytes, including any errored packets as well as all wireless headers. Signed-off-by: Ben Greear <greearb@candelatech.com> Acked-by: Bruno Randolf <br1@einfach.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
266 lines
8.6 KiB
C
266 lines
8.6 KiB
C
/*-
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* Copyright (c) 2002-2007 Sam Leffler, Errno Consulting
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer,
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* without modification.
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* 2. Redistributions in binary form must reproduce at minimum a disclaimer
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* similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any
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* redistribution must be conditioned upon including a substantially
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* similar Disclaimer requirement for further binary redistribution.
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* 3. Neither the names of the above-listed copyright holders nor the names
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* of any contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* Alternatively, this software may be distributed under the terms of the
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* GNU General Public License ("GPL") version 2 as published by the Free
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* Software Foundation.
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*
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* NO WARRANTY
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY
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* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY,
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* OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
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* IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGES.
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*
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*/
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/*
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* Definitions for the Atheros Wireless LAN controller driver.
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*/
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#ifndef _DEV_ATH_ATHVAR_H
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#define _DEV_ATH_ATHVAR_H
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#include <linux/interrupt.h>
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#include <linux/list.h>
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#include <linux/wireless.h>
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#include <linux/if_ether.h>
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#include <linux/leds.h>
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#include <linux/rfkill.h>
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#include <linux/workqueue.h>
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#include "ath5k.h"
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#include "debug.h"
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#include "ani.h"
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#include "../regd.h"
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#include "../ath.h"
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#define ATH_RXBUF 40 /* number of RX buffers */
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#define ATH_TXBUF 200 /* number of TX buffers */
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#define ATH_BCBUF 4 /* number of beacon buffers */
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#define ATH5K_TXQ_LEN_MAX (ATH_TXBUF / 4) /* bufs per queue */
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#define ATH5K_TXQ_LEN_LOW (ATH5K_TXQ_LEN_MAX / 2) /* low mark */
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struct ath5k_buf {
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struct list_head list;
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struct ath5k_desc *desc; /* virtual addr of desc */
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dma_addr_t daddr; /* physical addr of desc */
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struct sk_buff *skb; /* skbuff for buf */
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dma_addr_t skbaddr;/* physical addr of skb data */
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};
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/*
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* Data transmit queue state. One of these exists for each
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* hardware transmit queue. Packets sent to us from above
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* are assigned to queues based on their priority. Not all
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* devices support a complete set of hardware transmit queues.
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* For those devices the array sc_ac2q will map multiple
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* priorities to fewer hardware queues (typically all to one
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* hardware queue).
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*/
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struct ath5k_txq {
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unsigned int qnum; /* hardware q number */
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u32 *link; /* link ptr in last TX desc */
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struct list_head q; /* transmit queue */
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spinlock_t lock; /* lock on q and link */
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bool setup;
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int txq_len; /* number of queued buffers */
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bool txq_poll_mark;
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unsigned int txq_stuck; /* informational counter */
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};
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#define ATH5K_LED_MAX_NAME_LEN 31
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/*
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* State for LED triggers
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*/
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struct ath5k_led
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{
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char name[ATH5K_LED_MAX_NAME_LEN + 1]; /* name of the LED in sysfs */
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struct ath5k_softc *sc; /* driver state */
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struct led_classdev led_dev; /* led classdev */
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};
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/* Rfkill */
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struct ath5k_rfkill {
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/* GPIO PIN for rfkill */
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u16 gpio;
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/* polarity of rfkill GPIO PIN */
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bool polarity;
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/* RFKILL toggle tasklet */
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struct tasklet_struct toggleq;
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};
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/* statistics */
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struct ath5k_statistics {
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/* antenna use */
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unsigned int antenna_rx[5]; /* frames count per antenna RX */
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unsigned int antenna_tx[5]; /* frames count per antenna TX */
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/* frame errors */
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unsigned int rx_all_count; /* all RX frames, including errors */
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unsigned int tx_all_count; /* all TX frames, including errors */
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unsigned int rx_bytes_count; /* all RX bytes, including errored pks
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* and the MAC headers for each packet
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*/
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unsigned int tx_bytes_count; /* all TX bytes, including errored pkts
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* and the MAC headers and padding for
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* each packet.
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*/
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unsigned int rxerr_crc;
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unsigned int rxerr_phy;
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unsigned int rxerr_phy_code[32];
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unsigned int rxerr_fifo;
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unsigned int rxerr_decrypt;
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unsigned int rxerr_mic;
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unsigned int rxerr_proc;
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unsigned int rxerr_jumbo;
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unsigned int txerr_retry;
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unsigned int txerr_fifo;
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unsigned int txerr_filt;
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/* MIB counters */
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unsigned int ack_fail;
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unsigned int rts_fail;
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unsigned int rts_ok;
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unsigned int fcs_error;
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unsigned int beacons;
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unsigned int mib_intr;
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unsigned int rxorn_intr;
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unsigned int rxeol_intr;
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};
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#if CHAN_DEBUG
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#define ATH_CHAN_MAX (26+26+26+200+200)
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#else
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#define ATH_CHAN_MAX (14+14+14+252+20)
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#endif
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struct ath5k_vif {
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bool assoc; /* are we associated or not */
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enum nl80211_iftype opmode;
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int bslot;
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struct ath5k_buf *bbuf; /* beacon buffer */
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u8 lladdr[ETH_ALEN];
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};
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/* Software Carrier, keeps track of the driver state
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* associated with an instance of a device */
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struct ath5k_softc {
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struct pci_dev *pdev; /* for dma mapping */
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void __iomem *iobase; /* address of the device */
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struct mutex lock; /* dev-level lock */
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struct ieee80211_hw *hw; /* IEEE 802.11 common */
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struct ieee80211_supported_band sbands[IEEE80211_NUM_BANDS];
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struct ieee80211_channel channels[ATH_CHAN_MAX];
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struct ieee80211_rate rates[IEEE80211_NUM_BANDS][AR5K_MAX_RATES];
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s8 rate_idx[IEEE80211_NUM_BANDS][AR5K_MAX_RATES];
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enum nl80211_iftype opmode;
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struct ath5k_hw *ah; /* Atheros HW */
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struct ieee80211_supported_band *curband;
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#ifdef CONFIG_ATH5K_DEBUG
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struct ath5k_dbg_info debug; /* debug info */
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#endif /* CONFIG_ATH5K_DEBUG */
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struct ath5k_buf *bufptr; /* allocated buffer ptr */
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struct ath5k_desc *desc; /* TX/RX descriptors */
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dma_addr_t desc_daddr; /* DMA (physical) address */
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size_t desc_len; /* size of TX/RX descriptors */
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DECLARE_BITMAP(status, 5);
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#define ATH_STAT_INVALID 0 /* disable hardware accesses */
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#define ATH_STAT_MRRETRY 1 /* multi-rate retry support */
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#define ATH_STAT_PROMISC 2
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#define ATH_STAT_LEDSOFT 3 /* enable LED gpio status */
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#define ATH_STAT_STARTED 4 /* opened & irqs enabled */
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unsigned int filter_flags; /* HW flags, AR5K_RX_FILTER_* */
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unsigned int curmode; /* current phy mode */
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struct ieee80211_channel *curchan; /* current h/w channel */
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u16 nvifs;
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enum ath5k_int imask; /* interrupt mask copy */
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u8 lladdr[ETH_ALEN];
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u8 bssidmask[ETH_ALEN];
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unsigned int led_pin, /* GPIO pin for driving LED */
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led_on; /* pin setting for LED on */
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struct work_struct reset_work; /* deferred chip reset */
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unsigned int rxbufsize; /* rx size based on mtu */
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struct list_head rxbuf; /* receive buffer */
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spinlock_t rxbuflock;
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u32 *rxlink; /* link ptr in last RX desc */
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struct tasklet_struct rxtq; /* rx intr tasklet */
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struct ath5k_led rx_led; /* rx led */
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struct list_head txbuf; /* transmit buffer */
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spinlock_t txbuflock;
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unsigned int txbuf_len; /* buf count in txbuf list */
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struct ath5k_txq txqs[AR5K_NUM_TX_QUEUES]; /* tx queues */
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struct tasklet_struct txtq; /* tx intr tasklet */
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struct ath5k_led tx_led; /* tx led */
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struct ath5k_rfkill rf_kill;
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struct tasklet_struct calib; /* calibration tasklet */
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spinlock_t block; /* protects beacon */
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struct tasklet_struct beacontq; /* beacon intr tasklet */
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struct list_head bcbuf; /* beacon buffer */
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struct ieee80211_vif *bslot[ATH_BCBUF];
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u16 num_ap_vifs;
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u16 num_adhoc_vifs;
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unsigned int bhalq, /* SW q for outgoing beacons */
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bmisscount, /* missed beacon transmits */
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bintval, /* beacon interval in TU */
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bsent;
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unsigned int nexttbtt; /* next beacon time in TU */
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struct ath5k_txq *cabq; /* content after beacon */
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int power_level; /* Requested tx power in dbm */
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bool assoc; /* associate state */
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bool enable_beacon; /* true if beacons are on */
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struct ath5k_statistics stats;
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struct ath5k_ani_state ani_state;
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struct tasklet_struct ani_tasklet; /* ANI calibration */
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struct delayed_work tx_complete_work;
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};
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#define ath5k_hw_hasbssidmask(_ah) \
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(ath5k_hw_get_capability(_ah, AR5K_CAP_BSSIDMASK, 0, NULL) == 0)
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#define ath5k_hw_hasveol(_ah) \
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(ath5k_hw_get_capability(_ah, AR5K_CAP_VEOL, 0, NULL) == 0)
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#endif
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