830f064f5c
Now that we're decap'ing A-MPDU frame, the firmware is only giving us PHY status information for the whole PPDU, rather than duplicatig it per frame. So, we fake it by maintaining the RSSI that we saw in the node struct and reuse it. This prevents us from getting some pretty garbage looking default RSSI values, which shows up as RSSI values of like "3" or "4" when doing active traffic. Tested: * RTL8188EU, STA mode
243 lines
6.4 KiB
C
243 lines
6.4 KiB
C
/*-
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* Copyright (c) 2010 Damien Bergamini <damien.bergamini@free.fr>
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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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* $OpenBSD: if_urtwnreg.h,v 1.3 2010/11/16 18:02:59 damien Exp $
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* $FreeBSD$
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*/
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#define URTWN_RX_LIST_COUNT 64
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#define URTWN_TX_LIST_COUNT 8
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#define URTWN_HOST_CMD_RING_COUNT 32
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#define URTWN_RXBUFSZ (8 * 1024)
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//#define URTWN_TXBUFSZ (sizeof(struct r92c_tx_desc) + IEEE80211_MAX_LEN)
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/* Leave enough space for an A-MSDU frame */
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#define URTWN_TXBUFSZ (16 * 1024)
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#define URTWN_RX_DESC_SIZE (sizeof(struct r92c_rx_stat))
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#define URTWN_TX_DESC_SIZE (sizeof(struct r92c_tx_desc))
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#define URTWN_TX_TIMEOUT 5000 /* ms */
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#define URTWN_LED_LINK 0
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#define URTWN_LED_DATA 1
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struct urtwn_rx_radiotap_header {
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struct ieee80211_radiotap_header wr_ihdr;
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uint64_t wr_tsft;
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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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int8_t wr_dbm_antnoise;
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} __packed __aligned(8);
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#define URTWN_RX_RADIOTAP_PRESENT \
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(1 << IEEE80211_RADIOTAP_TSFT | \
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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_DBM_ANTNOISE)
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struct urtwn_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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uint16_t wt_chan_freq;
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uint16_t wt_chan_flags;
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} __packed __aligned(8);
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#define URTWN_TX_RADIOTAP_PRESENT \
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(1 << IEEE80211_RADIOTAP_FLAGS | \
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1 << IEEE80211_RADIOTAP_CHANNEL)
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struct urtwn_softc;
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struct urtwn_data {
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struct urtwn_softc *sc;
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uint8_t *buf;
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uint16_t buflen;
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struct mbuf *m;
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struct ieee80211_node *ni;
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STAILQ_ENTRY(urtwn_data) next;
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};
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typedef STAILQ_HEAD(, urtwn_data) urtwn_datahead;
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union sec_param {
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struct ieee80211_key key;
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};
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#define CMD_FUNC_PROTO void (*func)(struct urtwn_softc *, \
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union sec_param *)
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struct urtwn_cmdq {
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union sec_param data;
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CMD_FUNC_PROTO;
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};
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#define URTWN_CMDQ_SIZE 16
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struct urtwn_fw_info {
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const uint8_t *data;
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size_t size;
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};
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struct urtwn_node {
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struct ieee80211_node ni; /* must be the first */
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uint8_t id;
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int last_rssi;
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};
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#define URTWN_NODE(ni) ((struct urtwn_node *)(ni))
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struct urtwn_vap {
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struct ieee80211vap vap;
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struct r92c_tx_desc bcn_desc;
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struct mbuf *bcn_mbuf;
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struct task tsf_task_adhoc;
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int (*newstate)(struct ieee80211vap *,
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enum ieee80211_state, int);
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void (*recv_mgmt)(struct ieee80211_node *,
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struct mbuf *, int,
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const struct ieee80211_rx_stats *,
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int, int);
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};
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#define URTWN_VAP(vap) ((struct urtwn_vap *)(vap))
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struct urtwn_host_cmd {
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void (*cb)(struct urtwn_softc *, void *);
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uint8_t data[256];
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};
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struct urtwn_cmd_newstate {
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enum ieee80211_state state;
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int arg;
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};
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struct urtwn_cmd_key {
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struct ieee80211_key key;
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uint16_t associd;
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};
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enum {
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URTWN_BULK_RX,
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URTWN_BULK_TX_BE, /* = WME_AC_BE */
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URTWN_BULK_TX_BK, /* = WME_AC_BK */
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URTWN_BULK_TX_VI, /* = WME_AC_VI */
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URTWN_BULK_TX_VO, /* = WME_AC_VI */
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URTWN_N_TRANSFER = 5,
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};
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#define URTWN_EP_QUEUES URTWN_BULK_RX
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union urtwn_rom {
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struct r92c_rom r92c_rom;
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struct r88e_rom r88e_rom;
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};
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struct urtwn_softc {
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struct ieee80211com sc_ic;
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struct mbufq sc_snd;
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device_t sc_dev;
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struct usb_device *sc_udev;
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uint32_t sc_debug;
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uint8_t sc_iface_index;
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uint8_t sc_flags;
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#define URTWN_FLAG_CCK_HIPWR 0x01
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#define URTWN_DETACHED 0x02
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#define URTWN_RUNNING 0x04
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#define URTWN_FW_LOADED 0x08
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#define URTWN_TEMP_MEASURED 0x10
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u_int chip;
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#define URTWN_CHIP_92C 0x01
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#define URTWN_CHIP_92C_1T2R 0x02
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#define URTWN_CHIP_UMC 0x04
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#define URTWN_CHIP_UMC_A_CUT 0x08
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#define URTWN_CHIP_88E 0x10
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#define URTWN_CHIP_HAS_RATECTL(_sc) (!!((_sc)->chip & URTWN_CHIP_88E))
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void (*sc_node_free)(struct ieee80211_node *);
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void (*sc_rf_write)(struct urtwn_softc *,
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int, uint8_t, uint32_t);
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int (*sc_power_on)(struct urtwn_softc *);
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void (*sc_power_off)(struct urtwn_softc *);
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struct ieee80211_node *node_list[R88E_MACID_MAX + 1];
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struct mtx nt_mtx;
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uint8_t board_type;
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uint8_t regulatory;
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uint8_t pa_setting;
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int8_t ofdm_tx_pwr_diff;
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int8_t bw20_tx_pwr_diff;
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int avg_pwdb;
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uint8_t thcal_lctemp;
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int ntxchains;
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int nrxchains;
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int ledlink;
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int sc_txtimer;
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int last_rssi;
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int fwcur;
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struct urtwn_data sc_rx[URTWN_RX_LIST_COUNT];
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urtwn_datahead sc_rx_active;
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urtwn_datahead sc_rx_inactive;
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struct urtwn_data sc_tx[URTWN_TX_LIST_COUNT];
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urtwn_datahead sc_tx_active;
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int sc_tx_n_active;
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urtwn_datahead sc_tx_inactive;
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urtwn_datahead sc_tx_pending;
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union urtwn_rom rom;
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uint16_t last_rom_addr;
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struct callout sc_calib_to;
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struct callout sc_watchdog_ch;
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struct mtx sc_mtx;
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uint32_t keys_bmap;
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struct urtwn_cmdq cmdq[URTWN_CMDQ_SIZE];
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struct mtx cmdq_mtx;
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struct task cmdq_task;
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uint8_t cmdq_first;
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uint8_t cmdq_last;
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uint32_t rf_chnlbw[R92C_MAX_CHAINS];
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struct usb_xfer *sc_xfer[URTWN_N_TRANSFER];
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struct urtwn_rx_radiotap_header sc_rxtap;
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struct urtwn_tx_radiotap_header sc_txtap;
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};
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#define URTWN_LOCK(sc) mtx_lock(&(sc)->sc_mtx)
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#define URTWN_UNLOCK(sc) mtx_unlock(&(sc)->sc_mtx)
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#define URTWN_ASSERT_LOCKED(sc) mtx_assert(&(sc)->sc_mtx, MA_OWNED)
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#define URTWN_CMDQ_LOCK_INIT(sc) \
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mtx_init(&(sc)->cmdq_mtx, "cmdq lock", NULL, MTX_DEF)
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#define URTWN_CMDQ_LOCK(sc) mtx_lock(&(sc)->cmdq_mtx)
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#define URTWN_CMDQ_UNLOCK(sc) mtx_unlock(&(sc)->cmdq_mtx)
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#define URTWN_CMDQ_LOCK_DESTROY(sc) mtx_destroy(&(sc)->cmdq_mtx)
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#define URTWN_NT_LOCK_INIT(sc) \
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mtx_init(&(sc)->nt_mtx, "node table lock", NULL, MTX_DEF)
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#define URTWN_NT_LOCK(sc) mtx_lock(&(sc)->nt_mtx)
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#define URTWN_NT_UNLOCK(sc) mtx_unlock(&(sc)->nt_mtx)
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#define URTWN_NT_LOCK_DESTROY(sc) mtx_destroy(&(sc)->nt_mtx)
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