3e1b0c31a1
the ni_dpccountlock member is an ndis_kspin_lock, not an ndis_spin_lock (the latter is too big). Run if_ndis.c:ndis_tick() via taskqueue_schedule(). Also run ndis_start() via taskqueue in certain circumstances. Using these tweaks, I can now get the Broadcom BCM5701 NDIS driver to load and run. Unfortunately, the version I have seems to suffer from the same bug as the SMC 83820 driver, which is that it creates a spinlock during its DriverEntry() routine. I'm still debating the right way to deal with this.
135 lines
4.0 KiB
C
135 lines
4.0 KiB
C
/*
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* Copyright (c) 2003
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* Bill Paul <wpaul@windriver.com>. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Bill Paul.
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* 4. Neither the name of the author nor the names of any co-contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#define NDIS_PCI_LOIO 0x10
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#define NDIS_PCI_LOMEM 0x14
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struct ndis_chain_onefrag {
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void *dummy;
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};
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struct ndis_chain {
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void *dummy;
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};
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struct ndis_type {
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uint16_t ndis_vid;
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uint16_t ndis_did;
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uint32_t ndis_subsys;
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char *ndis_name;
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};
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struct ndis_shmem {
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bus_dma_tag_t ndis_stag;
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bus_dmamap_t ndis_smap;
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void *ndis_saddr;
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struct ndis_shmem *ndis_next;
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};
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struct ndis_cfglist {
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ndis_cfg ndis_cfg;
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TAILQ_ENTRY(ndis_cfglist) link;
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};
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TAILQ_HEAD(nch, ndis_cfglist);
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#define NDIS_INC(x) \
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(x)->ndis_txidx = ((x)->ndis_txidx + 1) % (x)->ndis_maxpkts
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#define arpcom ic.ic_ac
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struct ndis_softc {
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struct ieee80211com ic; /* interface info */
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#ifdef notdef
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struct ieee80211com arpcom; /* interface info */
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#endif
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struct ifmedia ifmedia; /* media info */
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bus_space_handle_t ndis_bhandle;
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bus_space_tag_t ndis_btag;
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void *ndis_intrhand;
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struct resource *ndis_irq;
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struct resource *ndis_res;
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struct resource *ndis_res_io;
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int ndis_io_rid;
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struct resource *ndis_res_mem;
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int ndis_mem_rid;
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struct resource *ndis_res_altmem;
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int ndis_altmem_rid;
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struct resource *ndis_res_am; /* attribute mem (pccard) */
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struct resource *ndis_res_cm; /* common mem (pccard) */
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int ndis_rescnt;
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struct mtx ndis_mtx;
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struct mtx ndis_intrmtx;
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struct task ndis_intrtask;
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struct task ndis_ticktask;
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struct task ndis_starttask;
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device_t ndis_dev;
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int ndis_unit;
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ndis_miniport_block ndis_block;
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ndis_miniport_characteristics ndis_chars;
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interface_type ndis_type;
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struct callout_handle ndis_stat_ch;
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int ndis_maxpkts;
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ndis_oid *ndis_oids;
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int ndis_oidcnt;
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int ndis_txidx;
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int ndis_txpending;
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ndis_packet **ndis_txarray;
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int ndis_sc;
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ndis_cfg *ndis_regvals;
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struct nch ndis_cfglist_head;
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int ndis_80211;
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int ndis_link;
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uint32_t ndis_filter;
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int ndis_if_flags;
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struct sysctl_ctx_list ndis_ctx;
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struct sysctl_oid *ndis_tree;
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int ndis_devidx;
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interface_type ndis_iftype;
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bus_dma_tag_t ndis_parent_tag;
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struct ndis_shmem *ndis_shlist;
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bus_dma_tag_t ndis_mtag;
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bus_dma_tag_t ndis_ttag;
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bus_dmamap_t *ndis_mmaps;
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bus_dmamap_t *ndis_tmaps;
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int ndis_mmapcnt;
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};
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#define NDIS_LOCK(_sc) mtx_lock(&(_sc)->ndis_mtx)
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#define NDIS_UNLOCK(_sc) mtx_unlock(&(_sc)->ndis_mtx)
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