freebsd-nq/sys/dev/iwi/if_iwivar.h
Damien Bergamini ec01dc2bbc Add some necessary bits for upcoming 802.11e support:
o management of multiple tx rings (up to 4)
o setting of WME IE in association requests

Some features are still missing though, like the possibility to override
the default cwmin/cwmax/asfn values of each tx queues.
2005-08-20 16:49:03 +00:00

169 lines
4.1 KiB
C

/* $FreeBSD$ */
/*-
* Copyright (c) 2004, 2005
* Damien Bergamini <damien.bergamini@free.fr>. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice unmodified, this list of conditions, and the following
* disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
struct iwi_firmware {
void *boot;
int boot_size;
void *ucode;
int ucode_size;
void *main;
int main_size;
};
struct iwi_rx_radiotap_header {
struct ieee80211_radiotap_header wr_ihdr;
uint8_t wr_flags;
uint8_t wr_rate;
uint16_t wr_chan_freq;
uint16_t wr_chan_flags;
uint8_t wr_antsignal;
uint8_t wr_antenna;
};
#define IWI_RX_RADIOTAP_PRESENT \
((1 << IEEE80211_RADIOTAP_FLAGS) | \
(1 << IEEE80211_RADIOTAP_RATE) | \
(1 << IEEE80211_RADIOTAP_CHANNEL) | \
(1 << IEEE80211_RADIOTAP_DB_ANTSIGNAL) | \
(1 << IEEE80211_RADIOTAP_ANTENNA))
struct iwi_tx_radiotap_header {
struct ieee80211_radiotap_header wt_ihdr;
uint8_t wt_flags;
uint16_t wt_chan_freq;
uint16_t wt_chan_flags;
};
#define IWI_TX_RADIOTAP_PRESENT \
((1 << IEEE80211_RADIOTAP_FLAGS) | \
(1 << IEEE80211_RADIOTAP_CHANNEL))
struct iwi_cmd_ring {
bus_dma_tag_t desc_dmat;
bus_dmamap_t desc_map;
bus_addr_t physaddr;
struct iwi_cmd_desc *desc;
int count;
int queued;
int cur;
int next;
};
struct iwi_tx_data {
bus_dmamap_t map;
struct mbuf *m;
struct ieee80211_node *ni;
};
struct iwi_tx_ring {
bus_dma_tag_t desc_dmat;
bus_dma_tag_t data_dmat;
bus_dmamap_t desc_map;
bus_addr_t physaddr;
bus_addr_t csr_ridx;
bus_addr_t csr_widx;
struct iwi_tx_desc *desc;
struct iwi_tx_data *data;
int count;
int queued;
int cur;
int next;
};
struct iwi_rx_data {
bus_dmamap_t map;
bus_addr_t physaddr;
uint32_t reg;
struct mbuf *m;
};
struct iwi_rx_ring {
bus_dma_tag_t data_dmat;
struct iwi_rx_data *data;
int count;
int cur;
};
struct iwi_softc {
struct ifnet *sc_ifp;
struct ieee80211com sc_ic;
int (*sc_newstate)(struct ieee80211com *,
enum ieee80211_state, int);
device_t sc_dev;
struct mtx sc_mtx;
struct iwi_firmware fw;
uint32_t flags;
#define IWI_FLAG_FW_CACHED (1 << 0)
#define IWI_FLAG_FW_INITED (1 << 1)
#define IWI_FLAG_FW_WARNED (1 << 2)
#define IWI_FLAG_SCANNING (1 << 3)
struct iwi_cmd_ring cmdq;
struct iwi_tx_ring txq[WME_NUM_AC];
struct iwi_rx_ring rxq;
struct resource *irq;
struct resource *mem;
bus_space_tag_t sc_st;
bus_space_handle_t sc_sh;
void *sc_ih;
int mem_rid;
int irq_rid;
int antenna;
int dwelltime;
int bluetooth;
int sc_tx_timer;
struct bpf_if *sc_drvbpf;
union {
struct iwi_rx_radiotap_header th;
uint8_t pad[64];
} sc_rxtapu;
#define sc_rxtap sc_rxtapu.th
int sc_rxtap_len;
union {
struct iwi_tx_radiotap_header th;
uint8_t pad[64];
} sc_txtapu;
#define sc_txtap sc_txtapu.th
int sc_txtap_len;
};
#define SIOCSLOADFW _IOW('i', 137, struct ifreq)
#define SIOCSKILLFW _IOW('i', 138, struct ifreq)
#define IWI_LOCK(sc) mtx_lock(&(sc)->sc_mtx)
#define IWI_UNLOCK(sc) mtx_unlock(&(sc)->sc_mtx)