2007-03-14 02:37:44 +00:00
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/**************************************************************************
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Copyright (c) 2007, Chelsio Inc.
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All rights reserved.
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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 are met:
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1. Redistributions of source code must retain the above copyright notice,
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this list of conditions and the following disclaimer.
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2007-05-25 09:48:20 +00:00
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2. Neither the name of the Chelsio Corporation nor the names of its
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2007-03-14 02:37:44 +00:00
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contributors may be used to endorse or promote products derived from
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this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND 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 THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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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 THE
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POSSIBILITY OF SUCH DAMAGE.
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$FreeBSD$
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***************************************************************************/
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/ctype.h>
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#include <sys/endian.h>
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#include <sys/bus.h>
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2007-12-17 08:17:51 +00:00
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#include <sys/lock.h>
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#include <sys/mutex.h>
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2007-03-14 02:37:44 +00:00
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#include <dev/mii/mii.h>
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2007-07-17 06:50:35 +00:00
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#ifdef CONFIG_DEFINED
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#include <common/cxgb_version.h>
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#include <cxgb_config.h>
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#else
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2007-03-14 02:37:44 +00:00
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#include <dev/cxgb/common/cxgb_version.h>
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2007-03-14 06:35:38 +00:00
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#include <dev/cxgb/cxgb_config.h>
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2007-07-17 06:50:35 +00:00
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#endif
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2007-03-14 02:37:44 +00:00
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#ifndef _CXGB_OSDEP_H_
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#define _CXGB_OSDEP_H_
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typedef struct adapter adapter_t;
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struct sge_rspq;
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2007-12-17 08:17:51 +00:00
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2007-09-09 04:34:03 +00:00
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struct t3_mbuf_hdr {
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struct mbuf *mh_head;
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struct mbuf *mh_tail;
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};
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2008-05-05 22:37:21 +00:00
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#ifndef PANIC_IF
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2007-05-25 09:48:20 +00:00
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#define PANIC_IF(exp) do { \
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if (exp) \
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2007-12-15 21:54:59 +00:00
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panic("BUG: %s", #exp); \
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2007-05-25 09:48:20 +00:00
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} while (0)
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2008-05-05 22:37:21 +00:00
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#endif
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2007-05-25 09:48:20 +00:00
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#define m_get_priority(m) ((uintptr_t)(m)->m_pkthdr.rcvif)
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2007-05-27 22:07:47 +00:00
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#define m_set_priority(m, pri) ((m)->m_pkthdr.rcvif = (struct ifnet *)((uintptr_t)pri))
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2007-12-16 05:11:42 +00:00
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#define m_set_sgl(m, sgl) ((m)->m_pkthdr.header = (sgl))
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#define m_get_sgl(m) ((bus_dma_segment_t *)(m)->m_pkthdr.header)
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#define m_set_sgllen(m, len) ((m)->m_pkthdr.ether_vtag = len)
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#define m_get_sgllen(m) ((m)->m_pkthdr.ether_vtag)
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/*
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* XXX FIXME
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*/
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#define m_set_toep(m, a) ((m)->m_pkthdr.header = (a))
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#define m_get_toep(m) ((m)->m_pkthdr.header)
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#define m_set_handler(m, handler) ((m)->m_pkthdr.header = (handler))
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#define m_set_socket(m, a) ((m)->m_pkthdr.header = (a))
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#define m_get_socket(m) ((m)->m_pkthdr.header)
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2008-02-23 01:06:17 +00:00
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#define KTR_CXGB KTR_SPARE2
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void cxgb_log_tcb(struct adapter *sc, unsigned int tid);
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2007-12-16 05:11:42 +00:00
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#define MT_DONTFREE 128
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2007-05-25 09:48:20 +00:00
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2007-03-14 02:37:44 +00:00
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#if __FreeBSD_version > 700030
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#define INTR_FILTERS
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#define FIRMWARE_LATEST
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#endif
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#if ((__FreeBSD_version > 602103) && (__FreeBSD_version < 700000))
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#define FIRMWARE_LATEST
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#endif
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#if __FreeBSD_version > 700000
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#define MSI_SUPPORTED
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#define TSO_SUPPORTED
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#define VLAN_SUPPORTED
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#define TASKQUEUE_CURRENT
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2007-09-10 00:59:51 +00:00
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#else
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#define if_name(ifp) (ifp)->if_xname
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#define M_SANITY(m, n)
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2007-03-14 02:37:44 +00:00
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#endif
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2007-05-25 09:48:20 +00:00
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#define __read_mostly __attribute__((__section__(".data.read_mostly")))
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2007-03-14 02:37:44 +00:00
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/*
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* Workaround for weird Chelsio issue
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*/
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#if __FreeBSD_version > 700029
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#define PRIV_SUPPORTED
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#endif
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2007-05-25 09:48:20 +00:00
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#define CXGB_TX_CLEANUP_THRESHOLD 32
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2007-03-14 02:37:44 +00:00
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2007-12-17 08:17:51 +00:00
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2007-03-14 02:37:44 +00:00
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#ifdef DEBUG_PRINT
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#define DPRINTF printf
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#else
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#define DPRINTF(...)
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#endif
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#define TX_MAX_SIZE (1 << 16) /* 64KB */
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#define TX_MAX_SEGS 36 /* maximum supported by card */
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2007-12-17 08:17:51 +00:00
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2007-03-14 02:37:44 +00:00
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#define TX_MAX_DESC 4 /* max descriptors per packet */
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2007-07-17 06:50:35 +00:00
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2007-12-17 08:17:51 +00:00
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2007-07-17 06:50:35 +00:00
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#define TX_START_MIN_DESC (TX_MAX_DESC << 2)
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2007-07-17 06:12:22 +00:00
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#define TX_START_MAX_DESC (TX_MAX_DESC << 3) /* maximum number of descriptors
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2007-03-14 02:37:44 +00:00
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* call to start used per */
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2007-07-17 06:50:35 +00:00
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2007-05-27 22:07:47 +00:00
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#define TX_CLEAN_MAX_DESC (TX_MAX_DESC << 4) /* maximum tx descriptors
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2007-03-14 02:37:44 +00:00
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* to clean per iteration */
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2007-12-17 08:17:51 +00:00
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#define TX_WR_SIZE_MAX 11*1024 /* the maximum total size of packets aggregated into a single
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* TX WR
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*/
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#define TX_WR_COUNT_MAX 7 /* the maximum total number of packets that can be
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* aggregated into a single TX WR
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*/
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2007-03-14 02:37:44 +00:00
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#if defined(__i386__) || defined(__amd64__)
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#define mb() __asm volatile("mfence":::"memory")
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#define rmb() __asm volatile("lfence":::"memory")
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#define wmb() __asm volatile("sfence" ::: "memory")
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#define smp_mb() mb()
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2007-03-14 06:35:38 +00:00
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2007-12-17 08:17:51 +00:00
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#define L1_CACHE_BYTES 128
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2007-03-14 06:35:38 +00:00
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static __inline
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void prefetch(void *x)
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{
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__asm volatile("prefetcht0 %0" :: "m" (*(unsigned long *)x));
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}
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2007-03-14 16:05:39 +00:00
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2007-05-25 09:48:20 +00:00
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extern void kdb_backtrace(void);
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#define WARN_ON(condition) do { \
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2008-05-05 22:37:21 +00:00
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if (__predict_false((condition)!=0)) { \
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2007-05-25 09:48:20 +00:00
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log(LOG_WARNING, "BUG: warning at %s:%d/%s()\n", __FILE__, __LINE__, __FUNCTION__); \
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kdb_backtrace(); \
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} \
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} while (0)
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2007-03-14 06:40:46 +00:00
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#else /* !i386 && !amd64 */
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#define mb()
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#define rmb()
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#define wmb()
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#define smp_mb()
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2007-03-14 16:05:39 +00:00
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#define prefetch(x)
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2007-03-14 16:18:51 +00:00
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#define L1_CACHE_BYTES 32
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2007-03-14 02:37:44 +00:00
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#endif
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2007-12-17 08:17:51 +00:00
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struct buf_ring {
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caddr_t *br_ring;
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volatile uint32_t br_cons;
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volatile uint32_t br_prod;
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int br_size;
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struct mtx br_lock;
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};
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struct buf_ring *buf_ring_alloc(int count, int flags);
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void buf_ring_free(struct buf_ring *);
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static __inline int
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buf_ring_count(struct buf_ring *mr)
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{
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int size = mr->br_size;
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2008-01-14 05:56:03 +00:00
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uint32_t mask = size - 1;
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2007-12-17 08:17:51 +00:00
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return ((size + mr->br_prod - mr->br_cons) & mask);
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}
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static __inline int
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buf_ring_empty(struct buf_ring *mr)
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{
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return (mr->br_cons == mr->br_prod);
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}
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2008-01-13 22:37:09 +00:00
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static __inline int
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buf_ring_full(struct buf_ring *mr)
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{
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2008-01-14 05:56:03 +00:00
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uint32_t mask;
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mask = mr->br_size - 1;
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return (mr->br_cons == ((mr->br_prod + 1) & mask));
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2008-01-13 22:37:09 +00:00
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}
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2007-12-17 08:17:51 +00:00
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/*
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* The producer and consumer are independently locked
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* this relies on the consumer providing his own serialization
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*
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*/
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static __inline void *
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buf_ring_dequeue(struct buf_ring *mr)
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{
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2008-01-14 05:56:03 +00:00
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uint32_t prod, cons, mask;
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2007-12-17 08:17:51 +00:00
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caddr_t *ring, m;
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ring = (caddr_t *)mr->br_ring;
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mask = mr->br_size - 1;
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cons = mr->br_cons;
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2008-01-13 22:37:09 +00:00
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mb();
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2007-12-17 08:17:51 +00:00
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prod = mr->br_prod;
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m = NULL;
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if (cons != prod) {
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m = ring[cons];
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2008-01-14 05:56:03 +00:00
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ring[cons] = NULL;
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2007-12-17 08:17:51 +00:00
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mr->br_cons = (cons + 1) & mask;
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mb();
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}
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return (m);
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}
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2008-01-14 05:56:03 +00:00
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#ifdef DEBUG_BUFRING
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static __inline void
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__buf_ring_scan(struct buf_ring *mr, void *m, char *file, int line)
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{
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int i;
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for (i = 0; i < mr->br_size; i++)
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if (m == mr->br_ring[i])
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panic("%s:%d m=%p present prod=%d cons=%d idx=%d", file,
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line, m, mr->br_prod, mr->br_cons, i);
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}
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static __inline void
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buf_ring_scan(struct buf_ring *mr, void *m, char *file, int line)
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{
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mtx_lock(&mr->br_lock);
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__buf_ring_scan(mr, m, file, line);
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mtx_unlock(&mr->br_lock);
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}
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#else
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static __inline void
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__buf_ring_scan(struct buf_ring *mr, void *m, char *file, int line)
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{
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}
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static __inline void
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buf_ring_scan(struct buf_ring *mr, void *m, char *file, int line)
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{
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}
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#endif
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2007-12-17 08:17:51 +00:00
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static __inline int
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2008-01-14 05:56:03 +00:00
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__buf_ring_enqueue(struct buf_ring *mr, void *m, char *file, int line)
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2007-12-17 08:17:51 +00:00
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{
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2008-01-14 05:56:03 +00:00
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uint32_t prod, cons, mask;
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int err;
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2007-12-17 08:17:51 +00:00
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mask = mr->br_size - 1;
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2008-01-13 22:37:09 +00:00
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prod = mr->br_prod;
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mb();
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cons = mr->br_cons;
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2008-01-14 05:56:03 +00:00
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__buf_ring_scan(mr, m, file, line);
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2007-12-17 08:17:51 +00:00
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if (((prod + 1) & mask) != cons) {
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2008-01-14 05:56:03 +00:00
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KASSERT(mr->br_ring[prod] == NULL, ("overwriting entry"));
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2007-12-17 08:17:51 +00:00
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mr->br_ring[prod] = m;
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mb();
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mr->br_prod = (prod + 1) & mask;
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err = 0;
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} else
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err = ENOBUFS;
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return (err);
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}
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static __inline int
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2008-01-14 05:56:03 +00:00
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buf_ring_enqueue_(struct buf_ring *mr, void *m, char *file, int line)
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2007-12-17 08:17:51 +00:00
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{
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int err;
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mtx_lock(&mr->br_lock);
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2008-01-14 05:56:03 +00:00
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err = __buf_ring_enqueue(mr, m, file, line);
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2007-12-17 08:17:51 +00:00
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mtx_unlock(&mr->br_lock);
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return (err);
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}
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2008-01-14 05:56:03 +00:00
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#define buf_ring_enqueue(mr, m) buf_ring_enqueue_((mr), (m), __FILE__, __LINE__)
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2007-12-17 08:17:51 +00:00
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static __inline void *
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buf_ring_peek(struct buf_ring *mr)
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{
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int prod, cons, mask;
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caddr_t *ring, m;
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ring = (caddr_t *)mr->br_ring;
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|
mask = mr->br_size - 1;
|
|
|
|
cons = mr->br_cons;
|
|
|
|
prod = mr->br_prod;
|
|
|
|
m = NULL;
|
|
|
|
if (cons != prod)
|
|
|
|
m = ring[cons];
|
|
|
|
|
|
|
|
return (m);
|
|
|
|
}
|
|
|
|
|
2007-03-14 02:37:44 +00:00
|
|
|
#define DBG_RX (1 << 0)
|
|
|
|
static const int debug_flags = DBG_RX;
|
|
|
|
|
|
|
|
#ifdef DEBUG_PRINT
|
|
|
|
#define DBG(flag, msg) do { \
|
|
|
|
if ((flag & debug_flags)) \
|
|
|
|
printf msg; \
|
|
|
|
} while (0)
|
|
|
|
#else
|
|
|
|
#define DBG(...)
|
|
|
|
#endif
|
|
|
|
|
2008-02-23 01:06:17 +00:00
|
|
|
#include <sys/syslog.h>
|
|
|
|
|
2007-03-14 02:37:44 +00:00
|
|
|
#define promisc_rx_mode(rm) ((rm)->port->ifp->if_flags & IFF_PROMISC)
|
|
|
|
#define allmulti_rx_mode(rm) ((rm)->port->ifp->if_flags & IFF_ALLMULTI)
|
|
|
|
|
2008-02-23 01:06:17 +00:00
|
|
|
#define CH_ERR(adap, fmt, ...) log(LOG_ERR, fmt, ##__VA_ARGS__)
|
|
|
|
#define CH_WARN(adap, fmt, ...) log(LOG_WARNING, fmt, ##__VA_ARGS__)
|
|
|
|
#define CH_ALERT(adap, fmt, ...) log(LOG_ALERT, fmt, ##__VA_ARGS__)
|
2007-03-14 02:37:44 +00:00
|
|
|
|
|
|
|
#define t3_os_sleep(x) DELAY((x) * 1000)
|
|
|
|
|
2007-12-17 08:17:51 +00:00
|
|
|
#define test_and_clear_bit(bit, p) atomic_cmpset_int((p), ((*(p)) | (1<<bit)), ((*(p)) & ~(1<<bit)))
|
2007-05-25 09:48:20 +00:00
|
|
|
|
2007-03-20 21:43:32 +00:00
|
|
|
#define max_t(type, a, b) (type)max((a), (b))
|
2007-05-25 09:48:20 +00:00
|
|
|
#define net_device ifnet
|
2007-07-17 06:50:35 +00:00
|
|
|
#define cpu_to_be32 htobe32
|
2007-05-25 09:48:20 +00:00
|
|
|
|
2007-03-14 02:37:44 +00:00
|
|
|
/* Standard PHY definitions */
|
|
|
|
#define BMCR_LOOPBACK BMCR_LOOP
|
|
|
|
#define BMCR_ISOLATE BMCR_ISO
|
|
|
|
#define BMCR_ANENABLE BMCR_AUTOEN
|
|
|
|
#define BMCR_SPEED1000 BMCR_SPEED1
|
|
|
|
#define BMCR_SPEED100 BMCR_SPEED0
|
|
|
|
#define BMCR_ANRESTART BMCR_STARTNEG
|
|
|
|
#define BMCR_FULLDPLX BMCR_FDX
|
|
|
|
#define BMSR_LSTATUS BMSR_LINK
|
|
|
|
#define BMSR_ANEGCOMPLETE BMSR_ACOMP
|
|
|
|
|
|
|
|
#define MII_LPA MII_ANLPAR
|
|
|
|
#define MII_ADVERTISE MII_ANAR
|
|
|
|
#define MII_CTRL1000 MII_100T2CR
|
|
|
|
|
|
|
|
#define ADVERTISE_PAUSE_CAP ANAR_FC
|
2008-02-23 01:06:17 +00:00
|
|
|
#define ADVERTISE_PAUSE_ASYM ANAR_X_PAUSE_ASYM
|
|
|
|
#define ADVERTISE_PAUSE ANAR_X_PAUSE_SYM
|
2007-03-14 02:37:44 +00:00
|
|
|
#define ADVERTISE_1000HALF ANAR_X_HD
|
|
|
|
#define ADVERTISE_1000FULL ANAR_X_FD
|
|
|
|
#define ADVERTISE_10FULL ANAR_10_FD
|
|
|
|
#define ADVERTISE_10HALF ANAR_10
|
|
|
|
#define ADVERTISE_100FULL ANAR_TX_FD
|
|
|
|
#define ADVERTISE_100HALF ANAR_TX
|
|
|
|
|
2008-02-23 01:06:17 +00:00
|
|
|
|
|
|
|
#define ADVERTISE_1000XHALF ANAR_X_HD
|
|
|
|
#define ADVERTISE_1000XFULL ANAR_X_FD
|
|
|
|
#define ADVERTISE_1000XPSE_ASYM ANAR_X_PAUSE_ASYM
|
|
|
|
#define ADVERTISE_1000XPAUSE ANAR_X_PAUSE_SYM
|
|
|
|
|
|
|
|
|
2007-03-14 02:37:44 +00:00
|
|
|
/* Standard PCI Extended Capaibilities definitions */
|
|
|
|
#define PCI_CAP_ID_VPD 0x03
|
|
|
|
#define PCI_VPD_ADDR 2
|
|
|
|
#define PCI_VPD_ADDR_F 0x8000
|
|
|
|
#define PCI_VPD_DATA 4
|
|
|
|
|
|
|
|
#define PCI_CAP_ID_EXP 0x10
|
|
|
|
#define PCI_EXP_DEVCTL 8
|
|
|
|
#define PCI_EXP_DEVCTL_PAYLOAD 0x00e0
|
|
|
|
#define PCI_EXP_LNKCTL 16
|
|
|
|
#define PCI_EXP_LNKSTA 18
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Linux compatibility macros
|
|
|
|
*/
|
|
|
|
|
|
|
|
/* Some simple translations */
|
|
|
|
#define __devinit
|
|
|
|
#define udelay(x) DELAY(x)
|
|
|
|
#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
|
|
|
|
#define le32_to_cpu(x) le32toh(x)
|
2008-02-23 01:06:17 +00:00
|
|
|
#define le16_to_cpu(x) le16toh(x)
|
2007-03-14 02:37:44 +00:00
|
|
|
#define cpu_to_le32(x) htole32(x)
|
|
|
|
#define swab32(x) bswap32(x)
|
|
|
|
#define simple_strtoul strtoul
|
|
|
|
|
2007-12-17 08:17:51 +00:00
|
|
|
|
2008-02-23 01:06:17 +00:00
|
|
|
#ifndef LINUX_TYPES_DEFINED
|
|
|
|
typedef uint8_t u8;
|
|
|
|
typedef uint16_t u16;
|
|
|
|
typedef uint32_t u32;
|
|
|
|
typedef uint64_t u64;
|
2007-12-17 08:17:51 +00:00
|
|
|
|
2008-02-23 01:06:17 +00:00
|
|
|
typedef uint8_t __u8;
|
|
|
|
typedef uint16_t __u16;
|
|
|
|
typedef uint32_t __u32;
|
|
|
|
typedef uint8_t __be8;
|
|
|
|
typedef uint16_t __be16;
|
|
|
|
typedef uint32_t __be32;
|
|
|
|
typedef uint64_t __be64;
|
|
|
|
#endif
|
2007-03-14 02:37:44 +00:00
|
|
|
|
2007-12-17 08:17:51 +00:00
|
|
|
|
2007-03-14 02:37:44 +00:00
|
|
|
#if BYTE_ORDER == BIG_ENDIAN
|
|
|
|
#define __BIG_ENDIAN_BITFIELD
|
|
|
|
#elif BYTE_ORDER == LITTLE_ENDIAN
|
|
|
|
#define __LITTLE_ENDIAN_BITFIELD
|
|
|
|
#else
|
|
|
|
#error "Must set BYTE_ORDER"
|
|
|
|
#endif
|
|
|
|
|
|
|
|
/* Indicates what features are supported by the interface. */
|
|
|
|
#define SUPPORTED_10baseT_Half (1 << 0)
|
|
|
|
#define SUPPORTED_10baseT_Full (1 << 1)
|
|
|
|
#define SUPPORTED_100baseT_Half (1 << 2)
|
|
|
|
#define SUPPORTED_100baseT_Full (1 << 3)
|
|
|
|
#define SUPPORTED_1000baseT_Half (1 << 4)
|
|
|
|
#define SUPPORTED_1000baseT_Full (1 << 5)
|
|
|
|
#define SUPPORTED_Autoneg (1 << 6)
|
|
|
|
#define SUPPORTED_TP (1 << 7)
|
|
|
|
#define SUPPORTED_AUI (1 << 8)
|
|
|
|
#define SUPPORTED_MII (1 << 9)
|
|
|
|
#define SUPPORTED_FIBRE (1 << 10)
|
|
|
|
#define SUPPORTED_BNC (1 << 11)
|
|
|
|
#define SUPPORTED_10000baseT_Full (1 << 12)
|
|
|
|
#define SUPPORTED_Pause (1 << 13)
|
|
|
|
#define SUPPORTED_Asym_Pause (1 << 14)
|
|
|
|
|
|
|
|
/* Indicates what features are advertised by the interface. */
|
|
|
|
#define ADVERTISED_10baseT_Half (1 << 0)
|
|
|
|
#define ADVERTISED_10baseT_Full (1 << 1)
|
|
|
|
#define ADVERTISED_100baseT_Half (1 << 2)
|
|
|
|
#define ADVERTISED_100baseT_Full (1 << 3)
|
|
|
|
#define ADVERTISED_1000baseT_Half (1 << 4)
|
|
|
|
#define ADVERTISED_1000baseT_Full (1 << 5)
|
|
|
|
#define ADVERTISED_Autoneg (1 << 6)
|
|
|
|
#define ADVERTISED_TP (1 << 7)
|
|
|
|
#define ADVERTISED_AUI (1 << 8)
|
|
|
|
#define ADVERTISED_MII (1 << 9)
|
|
|
|
#define ADVERTISED_FIBRE (1 << 10)
|
|
|
|
#define ADVERTISED_BNC (1 << 11)
|
|
|
|
#define ADVERTISED_10000baseT_Full (1 << 12)
|
|
|
|
#define ADVERTISED_Pause (1 << 13)
|
|
|
|
#define ADVERTISED_Asym_Pause (1 << 14)
|
|
|
|
|
|
|
|
/* Enable or disable autonegotiation. If this is set to enable,
|
|
|
|
* the forced link modes above are completely ignored.
|
|
|
|
*/
|
|
|
|
#define AUTONEG_DISABLE 0x00
|
|
|
|
#define AUTONEG_ENABLE 0x01
|
|
|
|
|
|
|
|
#define SPEED_10 10
|
|
|
|
#define SPEED_100 100
|
|
|
|
#define SPEED_1000 1000
|
|
|
|
#define SPEED_10000 10000
|
|
|
|
#define DUPLEX_HALF 0
|
|
|
|
#define DUPLEX_FULL 1
|
|
|
|
|
|
|
|
#endif
|