diff options
Diffstat (limited to 'drivers/staging/et131x/et1310_rx.h')
| -rw-r--r-- | drivers/staging/et131x/et1310_rx.h | 243 |
1 files changed, 0 insertions, 243 deletions
diff --git a/drivers/staging/et131x/et1310_rx.h b/drivers/staging/et131x/et1310_rx.h deleted file mode 100644 index e8c653d37a76..000000000000 --- a/drivers/staging/et131x/et1310_rx.h +++ /dev/null @@ -1,243 +0,0 @@ -/* - * Agere Systems Inc. - * 10/100/1000 Base-T Ethernet Driver for the ET1301 and ET131x series MACs - * - * Copyright © 2005 Agere Systems Inc. - * All rights reserved. - * http://www.agere.com - * - *------------------------------------------------------------------------------ - * - * et1310_rx.h - Defines, structs, enums, prototypes, etc. pertaining to data - * reception. - * - *------------------------------------------------------------------------------ - * - * SOFTWARE LICENSE - * - * This software is provided subject to the following terms and conditions, - * which you should read carefully before using the software. Using this - * software indicates your acceptance of these terms and conditions. If you do - * not agree with these terms and conditions, do not use the software. - * - * Copyright © 2005 Agere Systems Inc. - * All rights reserved. - * - * Redistribution and use in source or binary forms, with or without - * modifications, are permitted provided that the following conditions are met: - * - * . Redistributions of source code must retain the above copyright notice, this - * list of conditions and the following Disclaimer as comments in the code as - * well as in the documentation and/or other materials provided with the - * distribution. - * - * . 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. - * - * . Neither the name of Agere Systems Inc. nor the names of the contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * Disclaimer - * - * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, - * INCLUDING, BUT NOT LIMITED TO, INFRINGEMENT AND THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. ANY - * USE, MODIFICATION OR DISTRIBUTION OF THIS SOFTWARE IS SOLELY AT THE USERS OWN - * RISK. IN NO EVENT SHALL AGERE SYSTEMS INC. 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, INCLUDING, BUT NOT LIMITED TO, 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. - * - */ - -#ifndef __ET1310_RX_H__ -#define __ET1310_RX_H__ - -#include "et1310_address_map.h" - -#define USE_FBR0 true - -#ifdef USE_FBR0 -/* #define FBR0_BUFFER_SIZE 256 */ -#endif - -/* #define FBR1_BUFFER_SIZE 2048 */ - -#define FBR_CHUNKS 32 - -#define MAX_DESC_PER_RING_RX 1024 - -/* number of RFDs - default and min */ -#ifdef USE_FBR0 -#define RFD_LOW_WATER_MARK 40 -#define NIC_MIN_NUM_RFD 64 -#define NIC_DEFAULT_NUM_RFD 1024 -#else -#define RFD_LOW_WATER_MARK 20 -#define NIC_MIN_NUM_RFD 64 -#define NIC_DEFAULT_NUM_RFD 256 -#endif - -#define NUM_PACKETS_HANDLED 256 - -#define ALCATEL_BAD_STATUS 0xe47f0000 -#define ALCATEL_MULTICAST_PKT 0x01000000 -#define ALCATEL_BROADCAST_PKT 0x02000000 - -/* typedefs for Free Buffer Descriptors */ -struct fbr_desc { - u32 addr_lo; - u32 addr_hi; - u32 word2; /* Bits 10-31 reserved, 0-9 descriptor */ -}; - -/* Packet Status Ring Descriptors - * - * Word 0: - * - * top 16 bits are from the Alcatel Status Word as enumerated in - * PE-MCXMAC Data Sheet IPD DS54 0210-1 (also IPD-DS80 0205-2) - * - * 0: hp hash pass - * 1: ipa IP checksum assist - * 2: ipp IP checksum pass - * 3: tcpa TCP checksum assist - * 4: tcpp TCP checksum pass - * 5: wol WOL Event - * 6: rxmac_error RXMAC Error Indicator - * 7: drop Drop packet - * 8: ft Frame Truncated - * 9: jp Jumbo Packet - * 10: vp VLAN Packet - * 11-15: unused - * 16: asw_prev_pkt_dropped e.g. IFG too small on previous - * 17: asw_RX_DV_event short receive event detected - * 18: asw_false_carrier_event bad carrier since last good packet - * 19: asw_code_err one or more nibbles signalled as errors - * 20: asw_CRC_err CRC error - * 21: asw_len_chk_err frame length field incorrect - * 22: asw_too_long frame length > 1518 bytes - * 23: asw_OK valid CRC + no code error - * 24: asw_multicast has a multicast address - * 25: asw_broadcast has a broadcast address - * 26: asw_dribble_nibble spurious bits after EOP - * 27: asw_control_frame is a control frame - * 28: asw_pause_frame is a pause frame - * 29: asw_unsupported_op unsupported OP code - * 30: asw_VLAN_tag VLAN tag detected - * 31: asw_long_evt Rx long event - * - * Word 1: - * 0-15: length length in bytes - * 16-25: bi Buffer Index - * 26-27: ri Ring Index - * 28-31: reserved - */ - -struct pkt_stat_desc { - u32 word0; - u32 word1; -}; - -/* Typedefs for the RX DMA status word */ - -/* - * rx status word 0 holds part of the status bits of the Rx DMA engine - * that get copied out to memory by the ET-1310. Word 0 is a 32 bit word - * which contains the Free Buffer ring 0 and 1 available offset. - * - * bit 0-9 FBR1 offset - * bit 10 Wrap flag for FBR1 - * bit 16-25 FBR0 offset - * bit 26 Wrap flag for FBR0 - */ - -/* - * RXSTAT_WORD1_t structure holds part of the status bits of the Rx DMA engine - * that get copied out to memory by the ET-1310. Word 3 is a 32 bit word - * which contains the Packet Status Ring available offset. - * - * bit 0-15 reserved - * bit 16-27 PSRoffset - * bit 28 PSRwrap - * bit 29-31 unused - */ - -/* - * struct rx_status_block is a structure representing the status of the Rx - * DMA engine it sits in free memory, and is pointed to by 0x101c / 0x1020 - */ -struct rx_status_block { - u32 Word0; - u32 Word1; -}; - -/* - * Structure for look-up table holding free buffer ring pointers - */ -struct fbr_lookup { - void *virt[MAX_DESC_PER_RING_RX]; - void *buffer1[MAX_DESC_PER_RING_RX]; - void *buffer2[MAX_DESC_PER_RING_RX]; - u32 bus_high[MAX_DESC_PER_RING_RX]; - u32 bus_low[MAX_DESC_PER_RING_RX]; -}; - -/* - * struct rx_ring is the ssructure representing the adaptor's local - * reference(s) to the rings - */ -struct rx_ring { -#ifdef USE_FBR0 - void *pFbr0RingVa; - dma_addr_t pFbr0RingPa; - void *Fbr0MemVa[MAX_DESC_PER_RING_RX / FBR_CHUNKS]; - dma_addr_t Fbr0MemPa[MAX_DESC_PER_RING_RX / FBR_CHUNKS]; - uint64_t Fbr0Realpa; - uint64_t Fbr0offset; - u32 local_Fbr0_full; - u32 Fbr0NumEntries; - u32 Fbr0BufferSize; -#endif - void *pFbr1RingVa; - dma_addr_t pFbr1RingPa; - void *Fbr1MemVa[MAX_DESC_PER_RING_RX / FBR_CHUNKS]; - dma_addr_t Fbr1MemPa[MAX_DESC_PER_RING_RX / FBR_CHUNKS]; - uint64_t Fbr1Realpa; - uint64_t Fbr1offset; - struct fbr_lookup *fbr[2]; /* One per ring */ - u32 local_Fbr1_full; - u32 Fbr1NumEntries; - u32 Fbr1BufferSize; - - void *pPSRingVa; - dma_addr_t pPSRingPa; - u32 local_psr_full; - u32 PsrNumEntries; - - struct rx_status_block *rx_status_block; - dma_addr_t rx_status_bus; - - struct list_head RecvBufferPool; - - /* RECV */ - struct list_head RecvList; - u32 nReadyRecv; - - u32 NumRfd; - - bool UnfinishedReceives; - - struct list_head RecvPacketPool; - - /* lookaside lists */ - struct kmem_cache *RecvLookaside; -}; - -#endif /* __ET1310_RX_H__ */ |