freebsd-skq/sys/dev/ral/rt2560var.h
Sam Leffler 5463c4a485 Overhaul monitor mode handling:
o replace DLT_IEEE802_11 support in net80211 with DLT_IEEE802_11_RADIO
  and remove explicit bpf support from wireless drivers; drivers now
  use ieee80211_radiotap_attach to setup shared data structures that
  hold the radiotap header for each packet tx/rx
o remove rx timestamp from the rx path; it was used only by the tdma support
  for debugging and was mostly useless due to it being 32-bits and mostly
  unavailable
o track DLT_IEEE80211_RADIO bpf attachments and maintain per-vap and
  per-com state when there are active taps
o track the number of monitor mode vaps
o use bpf tap and monitor mode vap state to decide when to collect radiotap
  state and dispatch frames; drivers no longer explicitly directly check
  bpf state or use bpf calls to tap frames
o handle radiotap state updates on channel change in net80211; drivers
  should not do this (unless they bypass net80211 which is almost always
  a mistake)
o update various drivers to be more consistent/correct in handling radiotap
o update ral to include TSF in radiotap'd frames
o add promisc mode callback to wi

Reviewed by:	cbzimmer, rpaulo, thompsa
2009-05-20 20:00:40 +00:00

176 lines
4.2 KiB
C

/* $FreeBSD$ */
/*-
* Copyright (c) 2005, 2006
* Damien Bergamini <damien.bergamini@free.fr>
*
* Permission to use, copy, modify, and 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.
*/
struct rt2560_rx_radiotap_header {
struct ieee80211_radiotap_header wr_ihdr;
uint64_t wr_tsf;
uint8_t wr_flags;
uint8_t wr_rate;
uint16_t wr_chan_freq;
uint16_t wr_chan_flags;
int8_t wr_antsignal;
int8_t wr_antnoise;
uint8_t wr_antenna;
};
#define RT2560_RX_RADIOTAP_PRESENT \
((1 << IEEE80211_RADIOTAP_TSFT) | \
(1 << IEEE80211_RADIOTAP_FLAGS) | \
(1 << IEEE80211_RADIOTAP_RATE) | \
(1 << IEEE80211_RADIOTAP_CHANNEL) | \
(1 << IEEE80211_RADIOTAP_ANTENNA) | \
(1 << IEEE80211_RADIOTAP_DBM_ANTSIGNAL) | \
(1 << IEEE80211_RADIOTAP_DBM_ANTNOISE))
struct rt2560_tx_radiotap_header {
struct ieee80211_radiotap_header wt_ihdr;
uint8_t wt_flags;
uint8_t wt_rate;
uint16_t wt_chan_freq;
uint16_t wt_chan_flags;
uint8_t wt_antenna;
};
#define RT2560_TX_RADIOTAP_PRESENT \
((1 << IEEE80211_RADIOTAP_FLAGS) | \
(1 << IEEE80211_RADIOTAP_RATE) | \
(1 << IEEE80211_RADIOTAP_CHANNEL) | \
(1 << IEEE80211_RADIOTAP_ANTENNA))
struct rt2560_tx_data {
bus_dmamap_t map;
struct mbuf *m;
struct ieee80211_node *ni;
uint8_t rix;
int8_t rssi;
};
struct rt2560_tx_ring {
bus_dma_tag_t desc_dmat;
bus_dma_tag_t data_dmat;
bus_dmamap_t desc_map;
bus_addr_t physaddr;
struct rt2560_tx_desc *desc;
struct rt2560_tx_data *data;
int count;
int queued;
int cur;
int next;
int cur_encrypt;
int next_encrypt;
};
struct rt2560_rx_data {
bus_dmamap_t map;
struct mbuf *m;
int drop;
};
struct rt2560_rx_ring {
bus_dma_tag_t desc_dmat;
bus_dma_tag_t data_dmat;
bus_dmamap_t desc_map;
bus_addr_t physaddr;
struct rt2560_rx_desc *desc;
struct rt2560_rx_data *data;
int count;
int cur;
int next;
int cur_decrypt;
};
struct rt2560_node {
struct ieee80211_node ni;
struct ieee80211_amrr_node amrr;
};
#define RT2560_NODE(ni) ((struct rt2560_node *)(ni))
struct rt2560_vap {
struct ieee80211vap ral_vap;
struct ieee80211_beacon_offsets ral_bo;
struct ieee80211_amrr amrr;
int (*ral_newstate)(struct ieee80211vap *,
enum ieee80211_state, int);
};
#define RT2560_VAP(vap) ((struct rt2560_vap *)(vap))
struct rt2560_softc {
struct ifnet *sc_ifp;
device_t sc_dev;
bus_space_tag_t sc_st;
bus_space_handle_t sc_sh;
struct mtx sc_mtx;
struct callout watchdog_ch;
int sc_tx_timer;
int sc_invalid;
int sc_debug;
/*
* The same in both up to here
* ------------------------------------------------
*/
uint32_t asic_rev;
uint32_t eeprom_rev;
uint8_t rf_rev;
uint8_t rssi_corr;
struct rt2560_tx_ring txq;
struct rt2560_tx_ring prioq;
struct rt2560_tx_ring atimq;
struct rt2560_tx_ring bcnq;
struct rt2560_rx_ring rxq;
uint32_t rf_regs[4];
uint8_t txpow[14];
struct {
uint8_t reg;
uint8_t val;
} bbp_prom[16];
int led_mode;
int hw_radio;
int rx_ant;
int tx_ant;
int nb_ant;
struct rt2560_rx_radiotap_header sc_rxtap;
int sc_rxtap_len;
struct rt2560_tx_radiotap_header sc_txtap;
int sc_txtap_len;
#define RT2560_F_INPUT_RUNNING 0x1
#define RT2560_F_PRIO_OACTIVE 0x2
#define RT2560_F_DATA_OACTIVE 0x4
int sc_flags;
};
int rt2560_attach(device_t, int);
int rt2560_detach(void *);
void rt2560_stop(void *);
void rt2560_resume(void *);
void rt2560_intr(void *);
#define RAL_LOCK(sc) mtx_lock(&(sc)->sc_mtx)
#define RAL_LOCK_ASSERT(sc) mtx_assert(&(sc)->sc_mtx, MA_OWNED)
#define RAL_UNLOCK(sc) mtx_unlock(&(sc)->sc_mtx)