f417369bdd
While updating Tx stats, already freed node could be referred and cause page fault. To avoid such panic, spool Tx stats in driver's softc. Then, on every ratectl interval, grab node though ieee80211_iterate_nodes() and update ratectl stats. * Simplify some code in run_iter_func(). * Fix typo * Use memset instead of bzero (hselasky @) PR: kern/153938 Submitted by: PseudoCylon <moonlightakkiy@yahoo.ca> Approved by: thompsa (mentor)
263 lines
6.5 KiB
C
263 lines
6.5 KiB
C
/* $OpenBSD: if_runvar.h,v 1.3 2009/03/26 20:17:27 damien Exp $ */
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/*-
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* Copyright (c) 2008,2009 Damien Bergamini <damien.bergamini@free.fr>
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* ported to FreeBSD by Akinori Furukoshi <moonlightakkiy@yahoo.ca>
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* USB Consulting, Hans Petter Selasky <hselasky@freebsd.org>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*
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* $FreeBSD$
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*/
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#ifndef _IF_RUNVAR_H_
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#define _IF_RUNVAR_H_
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#define RUN_MAX_RXSZ \
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MIN(4096, MJUMPAGESIZE)
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#if 0
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(sizeof (uint32_t) + \
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sizeof (struct rt2860_rxwi) + \
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sizeof (uint16_t) + \
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MCLBYTES + \
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sizeof (struct rt2870_rxd))
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#endif
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/* NB: "11" is the maximum number of padding bytes needed for Tx */
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#define RUN_MAX_TXSZ \
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(sizeof (struct rt2870_txd) + \
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sizeof (struct rt2860_rxwi) + \
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MCLBYTES + 11)
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#define RUN_TX_TIMEOUT 5000 /* ms */
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/* Tx ring count was 8/endpoint, now 32 for all 4 (or 6) endpoints. */
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#define RUN_TX_RING_COUNT 32
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#define RUN_RX_RING_COUNT 1
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#define RT2870_WCID_MAX 64
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#define RUN_AID2WCID(aid) ((aid) & 0xff)
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#define RUN_VAP_MAX 8
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struct run_rx_radiotap_header {
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struct ieee80211_radiotap_header wr_ihdr;
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uint8_t wr_flags;
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uint8_t wr_rate;
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uint16_t wr_chan_freq;
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uint16_t wr_chan_flags;
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int8_t wr_dbm_antsignal;
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uint8_t wr_antenna;
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uint8_t wr_antsignal;
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} __packed;
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#define RUN_RX_RADIOTAP_PRESENT \
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(1 << IEEE80211_RADIOTAP_FLAGS | \
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1 << IEEE80211_RADIOTAP_RATE | \
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1 << IEEE80211_RADIOTAP_CHANNEL | \
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1 << IEEE80211_RADIOTAP_DBM_ANTSIGNAL | \
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1 << IEEE80211_RADIOTAP_ANTENNA | \
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1 << IEEE80211_RADIOTAP_DB_ANTSIGNAL)
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struct run_tx_radiotap_header {
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struct ieee80211_radiotap_header wt_ihdr;
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uint8_t wt_flags;
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uint8_t wt_rate;
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uint16_t wt_chan_freq;
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uint16_t wt_chan_flags;
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uint8_t wt_hwqueue;
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} __packed;
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#define IEEE80211_RADIOTAP_HWQUEUE 15
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#define RUN_TX_RADIOTAP_PRESENT \
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(1 << IEEE80211_RADIOTAP_FLAGS | \
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1 << IEEE80211_RADIOTAP_RATE | \
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1 << IEEE80211_RADIOTAP_CHANNEL | \
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1 << IEEE80211_RADIOTAP_HWQUEUE)
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struct run_softc;
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struct run_tx_data {
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STAILQ_ENTRY(run_tx_data) next;
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struct run_softc *sc;
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struct mbuf *m;
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struct ieee80211_node *ni;
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uint32_t align[0]; /* dummy field */
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uint8_t desc[sizeof(struct rt2870_txd) +
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sizeof(struct rt2860_txwi)];
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uint8_t ridx;
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};
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STAILQ_HEAD(run_tx_data_head, run_tx_data);
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struct run_node {
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struct ieee80211_node ni;
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uint8_t ridx[IEEE80211_RATE_MAXSIZE];
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uint8_t ctl_ridx[IEEE80211_RATE_MAXSIZE];
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uint8_t amrr_ridx;
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uint8_t mgt_ridx;
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uint8_t fix_ridx;
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};
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struct run_cmdq {
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void *arg0;
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void *arg1;
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void (*func)(void *);
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struct ieee80211_key *k;
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struct ieee80211_key key;
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uint8_t mac[IEEE80211_ADDR_LEN];
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uint8_t wcid;
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};
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struct run_vap {
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struct ieee80211vap vap;
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struct ieee80211_beacon_offsets bo;
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struct mbuf *beacon_mbuf;
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int (*newstate)(struct ieee80211vap *,
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enum ieee80211_state, int);
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uint8_t rvp_id;
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};
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#define RUN_VAP(vap) ((struct run_vap *)(vap))
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/*
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* There are 7 bulk endpoints: 1 for RX
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* and 6 for TX (4 EDCAs + HCCA + Prio).
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* Update 03-14-2009: some devices like the Planex GW-US300MiniS
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* seem to have only 4 TX bulk endpoints (Fukaumi Naoki).
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*/
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enum {
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RUN_BULK_TX_BE, /* = WME_AC_BE */
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RUN_BULK_TX_BK, /* = WME_AC_BK */
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RUN_BULK_TX_VI, /* = WME_AC_VI */
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RUN_BULK_TX_VO, /* = WME_AC_VO */
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RUN_BULK_TX_HCCA,
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RUN_BULK_TX_PRIO,
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RUN_BULK_RX,
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RUN_N_XFER,
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};
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#define RUN_EP_QUEUES RUN_BULK_RX
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struct run_endpoint_queue {
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struct run_tx_data tx_data[RUN_TX_RING_COUNT];
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struct run_tx_data_head tx_qh;
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struct run_tx_data_head tx_fh;
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uint32_t tx_nfree;
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};
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struct run_softc {
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device_t sc_dev;
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struct usb_device *sc_udev;
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struct ifnet *sc_ifp;
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uint16_t wcid_stats[RT2870_WCID_MAX + 1][3];
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#define RUN_TXCNT 0
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#define RUN_SUCCESS 1
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#define RUN_RETRY 2
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int (*sc_srom_read)(struct run_softc *,
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uint16_t, uint16_t *);
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uint16_t mac_ver;
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uint16_t mac_rev;
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uint8_t rf_rev;
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uint8_t freq;
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uint8_t ntxchains;
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uint8_t nrxchains;
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uint8_t bbp25;
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uint8_t bbp26;
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uint8_t rf24_20mhz;
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uint8_t rf24_40mhz;
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uint8_t patch_dac;
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uint8_t rfswitch;
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uint8_t ext_2ghz_lna;
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uint8_t ext_5ghz_lna;
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uint8_t calib_2ghz;
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uint8_t calib_5ghz;
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uint8_t txmixgain_2ghz;
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uint8_t txmixgain_5ghz;
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int8_t txpow1[54];
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int8_t txpow2[54];
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int8_t rssi_2ghz[3];
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int8_t rssi_5ghz[3];
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uint8_t lna[4];
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struct {
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uint8_t reg;
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uint8_t val;
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} bbp[10], rf[10];
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uint8_t leds;
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uint16_t led[3];
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uint32_t txpow20mhz[5];
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uint32_t txpow40mhz_2ghz[5];
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uint32_t txpow40mhz_5ghz[5];
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uint8_t sc_bssid[6];
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struct mtx sc_mtx;
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struct run_endpoint_queue sc_epq[RUN_EP_QUEUES];
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struct task ratectl_task;
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struct usb_callout ratectl_ch;
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uint8_t ratectl_run;
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#define RUN_RATECTL_OFF 0
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/* need to be power of 2, otherwise RUN_CMDQ_GET fails */
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#define RUN_CMDQ_MAX 16
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#define RUN_CMDQ_MASQ (RUN_CMDQ_MAX - 1)
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struct run_cmdq cmdq[RUN_CMDQ_MAX];
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struct task cmdq_task;
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uint32_t cmdq_store;
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uint8_t cmdq_exec;
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uint8_t cmdq_run;
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uint8_t cmdq_key_set;
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#define RUN_CMDQ_ABORT 0
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#define RUN_CMDQ_GO 1
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struct usb_xfer *sc_xfer[RUN_N_XFER];
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struct mbuf *rx_m;
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uint8_t fifo_cnt;
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uint8_t running;
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uint8_t runbmap;
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uint8_t ap_running;
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uint8_t adhoc_running;
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uint8_t sta_running;
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uint8_t rvp_cnt;
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uint8_t rvp_bmap;
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union {
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struct run_rx_radiotap_header th;
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uint8_t pad[64];
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} sc_rxtapu;
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#define sc_rxtap sc_rxtapu.th
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int sc_rxtap_len;
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union {
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struct run_tx_radiotap_header th;
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uint8_t pad[64];
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} sc_txtapu;
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#define sc_txtap sc_txtapu.th
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int sc_txtap_len;
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};
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#define RUN_LOCK(sc) mtx_lock(&(sc)->sc_mtx)
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#define RUN_UNLOCK(sc) mtx_unlock(&(sc)->sc_mtx)
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#define RUN_LOCK_ASSERT(sc, t) mtx_assert(&(sc)->sc_mtx, t)
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#endif /* _IF_RUNVAR_H_ */
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