freebsd-dev/sys/dev/if_ndis/if_ndisvar.h
Weongyo Jeong db102f9a37 sc->ndis_txidx should be cycle between 0 and sc->ndis_maxpkts, not
NDIS_TXPKTS and don't allocate unused extra spaces for sc->ndis_txarray
and sc->ndis_txpool.

PR:		kern/127644
Submitted by:	Antoine Pelisse <apelisse_at_gmail.com>
MFC after:	1 week
2008-10-04 04:15:39 +00:00

190 lines
5.2 KiB
C

/*-
* Copyright (c) 2003
* Bill Paul <wpaul@windriver.com>. 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, 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Bill Paul.
* 4. Neither the name of the author nor the names of any co-contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY Bill Paul 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 Bill Paul OR THE VOICES IN HIS HEAD
* 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.
*
* $FreeBSD$
*/
#define NDIS_DEFAULT_NODENAME "FreeBSD NDIS node"
#define NDIS_NODENAME_LEN 32
/* For setting/getting OIDs from userspace. */
struct ndis_oid_data {
uint32_t oid;
uint32_t len;
#ifdef notdef
uint8_t data[1];
#endif
};
struct ndis_pci_type {
uint16_t ndis_vid;
uint16_t ndis_did;
uint32_t ndis_subsys;
char *ndis_name;
};
struct ndis_pccard_type {
const char *ndis_vid;
const char *ndis_did;
char *ndis_name;
};
struct ndis_shmem {
list_entry ndis_list;
bus_dma_tag_t ndis_stag;
bus_dmamap_t ndis_smap;
void *ndis_saddr;
ndis_physaddr ndis_paddr;
};
struct ndis_cfglist {
ndis_cfg ndis_cfg;
struct sysctl_oid *ndis_oid;
TAILQ_ENTRY(ndis_cfglist) link;
};
/*
* Helper struct to make parsing information
* elements easier.
*/
struct ndis_ie {
uint8_t ni_oui[3];
uint8_t ni_val;
};
TAILQ_HEAD(nch, ndis_cfglist);
#define NDIS_INITIALIZED(sc) (sc->ndis_block->nmb_devicectx != NULL)
#define NDIS_TXPKTS 64
#define NDIS_INC(x) \
(x)->ndis_txidx = ((x)->ndis_txidx + 1) % (x)->ndis_maxpkts
#define NDIS_EVENTS 4
#define NDIS_EVTINC(x) (x) = ((x) + 1) % NDIS_EVENTS
struct ndis_evt {
uint32_t ne_sts;
uint32_t ne_len;
char *ne_buf;
};
struct ndis_vap {
struct ieee80211vap vap;
int (*newstate)(struct ieee80211vap *,
enum ieee80211_state, int);
};
#define NDIS_VAP(vap) ((struct ndis_vap *)(vap))
struct ndis_softc {
struct ifnet *ifp;
struct ifmedia ifmedia; /* media info */
u_long ndis_hwassist;
uint32_t ndis_v4tx;
uint32_t ndis_v4rx;
bus_space_handle_t ndis_bhandle;
bus_space_tag_t ndis_btag;
void *ndis_intrhand;
struct resource *ndis_irq;
struct resource *ndis_res;
struct resource *ndis_res_io;
int ndis_io_rid;
struct resource *ndis_res_mem;
int ndis_mem_rid;
struct resource *ndis_res_altmem;
int ndis_altmem_rid;
struct resource *ndis_res_am; /* attribute mem (pccard) */
int ndis_am_rid;
struct resource *ndis_res_cm; /* common mem (pccard) */
struct resource_list ndis_rl;
int ndis_rescnt;
struct mtx ndis_mtx;
uint8_t ndis_irql;
device_t ndis_dev;
int ndis_unit;
ndis_miniport_block *ndis_block;
ndis_miniport_characteristics *ndis_chars;
interface_type ndis_type;
struct callout ndis_stat_callout;
int ndis_maxpkts;
ndis_oid *ndis_oids;
int ndis_oidcnt;
int ndis_txidx;
int ndis_txpending;
ndis_packet **ndis_txarray;
ndis_handle ndis_txpool;
int ndis_sc;
ndis_cfg *ndis_regvals;
struct nch ndis_cfglist_head;
int ndis_80211;
int ndis_link;
uint32_t ndis_sts;
uint32_t ndis_filter;
int ndis_if_flags;
int ndis_skip;
int ndis_devidx;
interface_type ndis_iftype;
driver_object *ndis_dobj;
io_workitem *ndis_tickitem;
io_workitem *ndis_startitem;
io_workitem *ndis_resetitem;
io_workitem *ndis_inputitem;
kdpc ndis_rxdpc;
bus_dma_tag_t ndis_parent_tag;
list_entry ndis_shlist;
bus_dma_tag_t ndis_mtag;
bus_dma_tag_t ndis_ttag;
bus_dmamap_t *ndis_mmaps;
bus_dmamap_t *ndis_tmaps;
int ndis_mmapcnt;
struct ndis_evt ndis_evt[NDIS_EVENTS];
int ndis_evtpidx;
int ndis_evtcidx;
struct ifqueue ndis_rxqueue;
kspin_lock ndis_rxlock;
struct taskqueue *ndis_tq; /* private task queue */
struct task ndis_scantask;
struct task ndis_authtask;
struct task ndis_assoctask;
int (*ndis_newstate)(struct ieee80211com *,
enum ieee80211_state, int);
int ndis_tx_timer;
int ndis_hang_timer;
};
#define NDIS_LOCK(_sc) mtx_lock(&(_sc)->ndis_mtx)
#define NDIS_UNLOCK(_sc) mtx_unlock(&(_sc)->ndis_mtx)