+++ /dev/null
-/*
- * 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
- *
- * Copyright (c) 2011 Mark Einon <mark.einon@gmail.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__
-
-#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 sructure representing the adaptor's local
- * reference(s) to the rings
- */
-struct rx_ring {
-#ifdef USE_FBR0
- void *fbr0_ring_virtaddr;
- dma_addr_t fbr0_ring_physaddr;
- void *fbr0_mem_virtaddrs[MAX_DESC_PER_RING_RX / FBR_CHUNKS];
- dma_addr_t fbr0_mem_physaddrs[MAX_DESC_PER_RING_RX / FBR_CHUNKS];
- uint64_t fbr0_real_physaddr;
- uint64_t fbr0_offset;
- u32 local_fbr0_full;
- u32 fbr0_num_entries;
- u32 fbr0_buffsize;
-#endif
- void *fbr1_ring_virtaddr;
- dma_addr_t fbr1_ring_physaddr;
- void *fbr1_mem_virtaddrs[MAX_DESC_PER_RING_RX / FBR_CHUNKS];
- dma_addr_t fbr1_mem_physaddrs[MAX_DESC_PER_RING_RX / FBR_CHUNKS];
- uint64_t fbr1_real_physaddr;
- uint64_t fbr1_offset;
- struct fbr_lookup *fbr[2]; /* One per ring */
- u32 local_fbr1_full;
- u32 fbr1_num_entries;
- u32 fbr1_buffsize;
-
- void *ps_ring_virtaddr;
- dma_addr_t ps_ring_physaddr;
- u32 local_psr_full;
- u32 psr_num_entries;
-
- struct rx_status_block *rx_status_block;
- dma_addr_t rx_status_bus;
-
- struct list_head recv_buff_pool;
-
- /* RECV */
- struct list_head recv_list;
- u32 num_ready_recv;
-
- u32 num_rfd;
-
- bool unfinished_receives;
-
- struct list_head recv_packet_pool;
-
- /* lookaside lists */
- struct kmem_cache *recv_lookaside;
-};
-
-#endif /* __ET1310_RX_H__ */
#include <linux/phy.h>
#include "et1310_tx.h"
-#include "et1310_rx.h"
#include "et131x.h"
MODULE_AUTHOR("Victor Soriano <vjsoriano@agere.com>");
#define PARM_TX_NUM_BUFS_DEF 4
#define PARM_DMA_CACHE_DEF 0
+/* RX defines */
+#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 sructure representing the adaptor's local
+ * reference(s) to the rings
+ */
+struct rx_ring {
+#ifdef USE_FBR0
+ void *fbr0_ring_virtaddr;
+ dma_addr_t fbr0_ring_physaddr;
+ void *fbr0_mem_virtaddrs[MAX_DESC_PER_RING_RX / FBR_CHUNKS];
+ dma_addr_t fbr0_mem_physaddrs[MAX_DESC_PER_RING_RX / FBR_CHUNKS];
+ uint64_t fbr0_real_physaddr;
+ uint64_t fbr0_offset;
+ u32 local_fbr0_full;
+ u32 fbr0_num_entries;
+ u32 fbr0_buffsize;
+#endif
+ void *fbr1_ring_virtaddr;
+ dma_addr_t fbr1_ring_physaddr;
+ void *fbr1_mem_virtaddrs[MAX_DESC_PER_RING_RX / FBR_CHUNKS];
+ dma_addr_t fbr1_mem_physaddrs[MAX_DESC_PER_RING_RX / FBR_CHUNKS];
+ uint64_t fbr1_real_physaddr;
+ uint64_t fbr1_offset;
+ struct fbr_lookup *fbr[2]; /* One per ring */
+ u32 local_fbr1_full;
+ u32 fbr1_num_entries;
+ u32 fbr1_buffsize;
+
+ void *ps_ring_virtaddr;
+ dma_addr_t ps_ring_physaddr;
+ u32 local_psr_full;
+ u32 psr_num_entries;
+
+ struct rx_status_block *rx_status_block;
+ dma_addr_t rx_status_bus;
+
+ struct list_head recv_buff_pool;
+
+ /* RECV */
+ struct list_head recv_list;
+ u32 num_ready_recv;
+
+ u32 num_rfd;
+
+ bool unfinished_receives;
+
+ struct list_head recv_packet_pool;
+
+ /* lookaside lists */
+ struct kmem_cache *recv_lookaside;
+};
+
/* ADAPTER defines */
/*
* Do not change these values: if changed, then change also in respective
projects / karo-tx-linux.git / commitdiff