/* * Copyright (C) 2003 - 2006 NetXen, Inc. * All rights reserved. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, * MA 02111-1307, USA. * * The full GNU General Public License is included in this distribution * in the file called LICENSE. * * Contact Information: * info@netxen.com * NetXen, * 3965 Freedom Circle, Fourth floor, * Santa Clara, CA 95054 */ #ifndef _NETXEN_NIC_H_ #define _NETXEN_NIC_H_ #include <linux/module.h> #include <linux/kernel.h> #include <linux/types.h> #include <linux/compiler.h> #include <linux/slab.h> #include <linux/delay.h> #include <linux/init.h> #include <linux/ioport.h> #include <linux/pci.h> #include <linux/netdevice.h> #include <linux/etherdevice.h> #include <linux/ip.h> #include <linux/in.h> #include <linux/tcp.h> #include <linux/skbuff.h> #include <linux/version.h> #include <linux/ethtool.h> #include <linux/mii.h> #include <linux/interrupt.h> #include <linux/timer.h> #include <linux/mm.h> #include <linux/mman.h> #include <asm/system.h> #include <asm/io.h> #include <asm/byteorder.h> #include <asm/uaccess.h> #include <asm/pgtable.h> #include "netxen_nic_hw.h" #define _NETXEN_NIC_LINUX_MAJOR 3 #define _NETXEN_NIC_LINUX_MINOR 4 #define _NETXEN_NIC_LINUX_SUBVERSION 2 #define NETXEN_NIC_LINUX_VERSIONID "3.4.2" #define NETXEN_NUM_FLASH_SECTORS (64) #define NETXEN_FLASH_SECTOR_SIZE (64 * 1024) #define NETXEN_FLASH_TOTAL_SIZE (NETXEN_NUM_FLASH_SECTORS \ * NETXEN_FLASH_SECTOR_SIZE) #define PHAN_VENDOR_ID 0x4040 #define RCV_DESC_RINGSIZE \ (sizeof(struct rcv_desc) * adapter->max_rx_desc_count) #define STATUS_DESC_RINGSIZE \ (sizeof(struct status_desc)* adapter->max_rx_desc_count) #define LRO_DESC_RINGSIZE \ (sizeof(rcvDesc_t) * adapter->max_lro_rx_desc_count) #define TX_RINGSIZE \ (sizeof(struct netxen_cmd_buffer) * adapter->max_tx_desc_count) #define RCV_BUFFSIZE \ (sizeof(struct netxen_rx_buffer) * rcv_desc->max_rx_desc_count) #define find_diff_among(a,b,range) ((a)<=(b)?((b)-(a)):((b)+(range)-(a))) #define NETXEN_NETDEV_STATUS 0x1 #define NETXEN_RCV_PRODUCER_OFFSET 0 #define NETXEN_RCV_PEG_DB_ID 2 #define NETXEN_HOST_DUMMY_DMA_SIZE 1024 #define FLASH_SUCCESS 0 #define ADDR_IN_WINDOW1(off) \ ((off > NETXEN_CRB_PCIX_HOST2) && (off < NETXEN_CRB_MAX)) ? 1 : 0 /* * In netxen_nic_down(), we must wait for any pending callback requests into * netxen_watchdog_task() to complete; eg otherwise the watchdog_timer could be * reenabled right after it is deleted in netxen_nic_down(). FLUSH_SCHEDULED_WORK() * does this synchronization. * * Normally, schedule_work()/flush_scheduled_work() could have worked, but * netxen_nic_close() is invoked with kernel rtnl lock held. netif_carrier_off() * call in netxen_nic_close() triggers a schedule_work(&linkwatch_work), and a * subsequent call to flush_scheduled_work() in netxen_nic_down() would cause * linkwatch_event() to be executed which also attempts to acquire the rtnl * lock thus causing a deadlock. */ #define SCHEDULE_WORK(tp) queue_work(netxen_workq, tp) #define FLUSH_SCHEDULED_WORK() flush_workqueue(netxen_workq) extern struct workqueue_struct *netxen_workq; /* * normalize a 64MB crb address to 32MB PCI window * To use NETXEN_CRB_NORMALIZE, window _must_ be set to 1 */ #define NETXEN_CRB_NORMAL(reg) \ ((reg) - NETXEN_CRB_PCIX_HOST2 + NETXEN_CRB_PCIX_HOST) #define NETXEN_CRB_NORMALIZE(adapter, reg) \ pci_base_offset(adapter, NETXEN_CRB_NORMAL(reg)) #define DB_NORMALIZE(adapter, off) \ (adapter->ahw.db_base + (off)) #define NX_P2_C0 0x24 #define NX_P2_C1 0x25 #define FIRST_PAGE_GROUP_START 0 #define FIRST_PAGE_GROUP_END 0x100000 #define SECOND_PAGE_GROUP_START 0x6000000 #define SECOND_PAGE_GROUP_END 0x68BC000 #define THIRD_PAGE_GROUP_START 0x70E4000 #define THIRD_PAGE_GROUP_END 0x8000000 #define FIRST_PAGE_GROUP_SIZE FIRST_PAGE_GROUP_END - FIRST_PAGE_GROUP_START #define SECOND_PAGE_GROUP_SIZE SECOND_PAGE_GROUP_END - SECOND_PAGE_GROUP_START #define THIRD_PAGE_GROUP_SIZE THIRD_PAGE_GROUP_END - THIRD_PAGE_GROUP_START #define MAX_RX_BUFFER_LENGTH 1760 #define MAX_RX_JUMBO_BUFFER_LENGTH 8062 #define MAX_RX_LRO_BUFFER_LENGTH ((48*1024)-512) #define RX_DMA_MAP_LEN (MAX_RX_BUFFER_LENGTH - 2) #define RX_JUMBO_DMA_MAP_LEN \ (MAX_RX_JUMBO_BUFFER_LENGTH - 2) #define RX_LRO_DMA_MAP_LEN (MAX_RX_LRO_BUFFER_LENGTH - 2) #define NETXEN_ROM_ROUNDUP 0x80000000ULL /* * Maximum number of ring contexts */ #define MAX_RING_CTX 1 /* Opcodes to be used with the commands */ enum { TX_ETHER_PKT = 0x01, /* The following opcodes are for IP checksum */ TX_TCP_PKT, TX_UDP_PKT, TX_IP_PKT, TX_TCP_LSO, TX_IPSEC, TX_IPSEC_CMD }; /* The following opcodes are for internal consumption. */ #define NETXEN_CONTROL_OP 0x10 #define PEGNET_REQUEST 0x11 #define MAX_NUM_CARDS 4 #define MAX_BUFFERS_PER_CMD 32 /* * Following are the states of the Phantom. Phantom will set them and * Host will read to check if the fields are correct. */ #define PHAN_INITIALIZE_START 0xff00 #define PHAN_INITIALIZE_FAILED 0xffff #define PHAN_INITIALIZE_COMPLETE 0xff01 /* Host writes the following to notify that it has done the init-handshake */ #define PHAN_INITIALIZE_ACK 0xf00f #define NUM_RCV_DESC_RINGS 3 /* No of Rcv Descriptor contexts */ /* descriptor types */ #define RCV_DESC_NORMAL 0x01 #define RCV_DESC_JUMBO 0x02 #define RCV_DESC_LRO 0x04 #define RCV_DESC_NORMAL_CTXID 0 #define RCV_DESC_JUMBO_CTXID 1 #define RCV_DESC_LRO_CTXID 2 #define RCV_DESC_TYPE(ID) \ ((ID == RCV_DESC_JUMBO_CTXID) \ ? RCV_DESC_JUMBO \ : ((ID == RCV_DESC_LRO_CTXID) \ ? RCV_DESC_LRO : \ (RCV_DESC_NORMAL))) #define MAX_CMD_DESCRIPTORS 1024 #define MAX_RCV_DESCRIPTORS 16384 #define MAX_CMD_DESCRIPTORS_HOST (MAX_CMD_DESCRIPTORS / 4) #define MAX_RCV_DESCRIPTORS_1G (MAX_RCV_DESCRIPTORS / 4) #define MAX_JUMBO_RCV_DESCRIPTORS 1024 #define MAX_LRO_RCV_DESCRIPTORS 64 #define MAX_RCVSTATUS_DESCRIPTORS MAX_RCV_DESCRIPTORS #define MAX_JUMBO_RCV_DESC MAX_JUMBO_RCV_DESCRIPTORS #define MAX_RCV_DESC MAX_RCV_DESCRIPTORS #define MAX_RCVSTATUS_DESC MAX_RCV_DESCRIPTORS #define MAX_EPG_DESCRIPTORS (MAX_CMD_DESCRIPTORS * 8) #define NUM_RCV_DESC (MAX_RCV_DESC + MAX_JUMBO_RCV_DESCRIPTORS + \ MAX_LRO_RCV_DESCRIPTORS) #define MIN_TX_COUNT 4096 #define MIN_RX_COUNT 4096 #define NETXEN_CTX_SIGNATURE 0xdee0 #define NETXEN_RCV_PRODUCER(ringid) (ringid) #define MAX_FRAME_SIZE 0x10000 /* 64K MAX size for LSO */ #define PHAN_PEG_RCV_INITIALIZED 0xff01 #define PHAN_PEG_RCV_START_INITIALIZE 0xff00 #define get_next_index(index, length) \ (((index) + 1) & ((length) - 1)) #define get_index_range(index,length,count) \ (((index) + (count)) & ((length) - 1)) #define MPORT_SINGLE_FUNCTION_MODE 0x1111 #define MPORT_MULTI_FUNCTION_MODE 0x2222 #include "netxen_nic_phan_reg.h" extern unsigned long long netxen_dma_mask; extern unsigned long last_schedule_time; /* * NetXen host-peg signal message structure * * Bit 0-1 : peg_id => 0x2 for tx and 01 for rx * Bit 2 : priv_id => must be 1 * Bit 3-17 : count => for doorbell * Bit 18-27 : ctx_id => Context id * Bit 28-31 : opcode */ typedef u32 netxen_ctx_msg; #define netxen_set_msg_peg_id(config_word, val) \ ((config_word) &= ~3, (config_word) |= val & 3) #define netxen_set_msg_privid(config_word) \ ((config_word) |= 1 << 2) #define netxen_set_msg_count(config_word, val) \ ((config_word) &= ~(0x7fff<<3), (config_word) |= (val & 0x7fff) << 3) #define netxen_set_msg_ctxid(config_word, val) \ ((config_word) &= ~(0x3ff<<18), (config_word) |= (val & 0x3ff) << 18) #define netxen_set_msg_opcode(config_word, val) \ ((config_word) &= ~(0xf<<28), (config_word) |= (val & 0xf) << 28) struct netxen_rcv_context { __le64 rcv_ring_addr; __le32 rcv_ring_size; __le32 rsrvd; }; struct netxen_ring_ctx { /* one command ring */ __le64 cmd_consumer_offset; __le64 cmd_ring_addr; __le32 cmd_ring_size; __le32 rsrvd; /* three receive rings */ struct netxen_rcv_context rcv_ctx[3]; /* one status ring */ __le64 sts_ring_addr; __le32 sts_ring_size; __le32 ctx_id; } __attribute__ ((aligned(64))); /* * Following data structures describe the descriptors that will be used. * Added fileds of tcpHdrSize and ipHdrSize, The driver needs to do it only when * we are doing LSO (above the 1500 size packet) only. */ /* * The size of reference handle been changed to 16 bits to pass the MSS fields * for the LSO packet */ #define FLAGS_CHECKSUM_ENABLED 0x01 #define FLAGS_LSO_ENABLED 0x02 #define FLAGS_IPSEC_SA_ADD 0x04 #define FLAGS_IPSEC_SA_DELETE 0x08 #define FLAGS_VLAN_TAGGED 0x10 #define netxen_set_cmd_desc_port(cmd_desc, var) \ ((cmd_desc)->port_ctxid |= ((var) & 0x0F)) #define netxen_set_cmd_desc_ctxid(cmd_desc, var) \ ((cmd_desc)->port_ctxid |= ((var) & 0xF0)) #define netxen_set_cmd_desc_flags(cmd_desc, val) \ ((cmd_desc)->flags_opcode &= ~cpu_to_le16(0x7f), \ (cmd_desc)->flags_opcode |= cpu_to_le16((val) & 0x7f)) #define netxen_set_cmd_desc_opcode(cmd_desc, val) \ ((cmd_desc)->flags_opcode &= ~cpu_to_le16(0x3f<<7), \ (cmd_desc)->flags_opcode |= cpu_to_le16(((val & 0x3f)<<7))) #define netxen_set_cmd_desc_num_of_buff(cmd_desc, val) \ ((cmd_desc)->num_of_buffers_total_length &= ~cpu_to_le32(0xff), \ (cmd_desc)->num_of_buffers_total_length |= cpu_to_le32((val) & 0xff)) #define netxen_set_cmd_desc_totallength(cmd_desc, val) \ ((cmd_desc)->num_of_buffers_total_length &= ~cpu_to_le32(0xffffff00), \ (cmd_desc)->num_of_buffers_total_length |= cpu_to_le32(val << 8)) #define netxen_get_cmd_desc_opcode(cmd_desc) \ ((le16_to_cpu((cmd_desc)->flags_opcode) >> 7) & 0x003F) #define netxen_get_cmd_desc_totallength(cmd_desc) \ (le32_to_cpu((cmd_desc)->num_of_buffers_total_length) >> 8) struct cmd_desc_type0 { u8 tcp_hdr_offset; /* For LSO only */ u8 ip_hdr_offset; /* For LSO only */ /* Bit pattern: 0-6 flags, 7-12 opcode, 13-15 unused */ __le16 flags_opcode; /* Bit pattern: 0-7 total number of segments, 8-31 Total size of the packet */ __le32 num_of_buffers_total_length; union { struct { __le32 addr_low_part2; __le32 addr_high_part2; }; __le64 addr_buffer2; }; __le16 reference_handle; /* changed to u16 to add mss */ __le16 mss; /* passed by NDIS_PACKET for LSO */ /* Bit pattern 0-3 port, 0-3 ctx id */ u8 port_ctxid; u8 total_hdr_length; /* LSO only : MAC+IP+TCP Hdr size */ __le16 conn_id; /* IPSec offoad only */ union { struct { __le32 addr_low_part3; __le32 addr_high_part3; }; __le64 addr_buffer3; }; union { struct { __le32 addr_low_part1; __le32 addr_high_part1; }; __le64 addr_buffer1; }; __le16 buffer1_length; __le16 buffer2_length; __le16 buffer3_length; __le16 buffer4_length; union { struct { __le32 addr_low_part4; __le32 addr_high_part4; }; __le64 addr_buffer4; }; __le64 unused; } __attribute__ ((aligned(64))); /* Note: sizeof(rcv_desc) should always be a mutliple of 2 */ struct rcv_desc { __le16 reference_handle; __le16 reserved; __le32 buffer_length; /* allocated buffer length (usually 2K) */ __le64 addr_buffer; }; /* opcode field in status_desc */ #define RCV_NIC_PKT (0xA) #define STATUS_NIC_PKT ((RCV_NIC_PKT) << 12) /* for status field in status_desc */ #define STATUS_NEED_CKSUM (1) #define STATUS_CKSUM_OK (2) /* owner bits of status_desc */ #define STATUS_OWNER_HOST (0x1) #define STATUS_OWNER_PHANTOM (0x2) #define NETXEN_PROT_IP (1) #define NETXEN_PROT_UNKNOWN (0) /* Note: sizeof(status_desc) should always be a mutliple of 2 */ #define netxen_get_sts_desc_lro_cnt(status_desc) \ ((status_desc)->lro & 0x7F) #define netxen_get_sts_desc_lro_last_frag(status_desc) \ (((status_desc)->lro & 0x80) >> 7) #define netxen_get_sts_port(status_desc) \ (le64_to_cpu((status_desc)->status_desc_data) & 0x0F) #define netxen_get_sts_status(status_desc) \ ((le64_to_cpu((status_desc)->status_desc_data) >> 4) & 0x0F) #define netxen_get_sts_type(status_desc) \ ((le64_to_cpu((status_desc)->status_desc_data) >> 8) & 0x0F) #define netxen_get_sts_totallength(status_desc) \ ((le64_to_cpu((status_desc)->status_desc_data) >> 12) & 0xFFFF) #define netxen_get_sts_refhandle(status_desc) \ ((le64_to_cpu((status_desc)->status_desc_data) >> 28) & 0xFFFF) #define netxen_get_sts_prot(status_desc) \ ((le64_to_cpu((status_desc)->status_desc_data) >> 44) & 0x0F) #define netxen_get_sts_owner(status_desc) \ ((le64_to_cpu((status_desc)->status_desc_data) >> 56) & 0x03) #define netxen_get_sts_opcode(status_desc) \ ((le64_to_cpu((status_desc)->status_desc_data) >> 58) & 0x03F) #define netxen_clear_sts_owner(status_desc) \ ((status_desc)->status_desc_data &= \ ~cpu_to_le64(((unsigned long long)3) << 56 )) #define netxen_set_sts_owner(status_desc, val) \ ((status_desc)->status_desc_data |= \ cpu_to_le64(((unsigned long long)((val) & 0x3)) << 56 )) struct status_desc { /* Bit pattern: 0-3 port, 4-7 status, 8-11 type, 12-27 total_length 28-43 reference_handle, 44-47 protocol, 48-52 unused 53-55 desc_cnt, 56-57 owner, 58-63 opcode */ __le64 status_desc_data; __le32 hash_value; u8 hash_type; u8 msg_type; u8 unused; /* Bit pattern: 0-6 lro_count indicates frag sequence, 7 last_frag indicates last frag */ u8 lro; } __attribute__ ((aligned(16))); enum { NETXEN_RCV_PEG_0 = 0, NETXEN_RCV_PEG_1 }; /* The version of the main data structure */ #define NETXEN_BDINFO_VERSION 1 /* Magic number to let user know flash is programmed */ #define NETXEN_BDINFO_MAGIC 0x12345678 /* Max number of Gig ports on a Phantom board */ #define NETXEN_MAX_PORTS 4 typedef enum { NETXEN_BRDTYPE_P1_BD = 0x0000, NETXEN_BRDTYPE_P1_SB = 0x0001, NETXEN_BRDTYPE_P1_SMAX = 0x0002, NETXEN_BRDTYPE_P1_SOCK = 0x0003, NETXEN_BRDTYPE_P2_SOCK_31 = 0x0008, NETXEN_BRDTYPE_P2_SOCK_35 = 0x0009, NETXEN_BRDTYPE_P2_SB35_4G = 0x000a, NETXEN_BRDTYPE_P2_SB31_10G = 0x000b, NETXEN_BRDTYPE_P2_SB31_2G = 0x000c, NETXEN_BRDTYPE_P2_SB31_10G_IMEZ = 0x000d, NETXEN_BRDTYPE_P2_SB31_10G_HMEZ = 0x000e, NETXEN_BRDTYPE_P2_SB31_10G_CX4 = 0x000f } netxen_brdtype_t; typedef enum { NETXEN_BRDMFG_INVENTEC = 1 } netxen_brdmfg; typedef enum { MEM_ORG_128Mbx4 = 0x0, /* DDR1 only */ MEM_ORG_128Mbx8 = 0x1, /* DDR1 only */ MEM_ORG_128Mbx16 = 0x2, /* DDR1 only */ MEM_ORG_256Mbx4 = 0x3, MEM_ORG_256Mbx8 = 0x4, MEM_ORG_256Mbx16 = 0x5, MEM_ORG_512Mbx4 = 0x6, MEM_ORG_512Mbx8 = 0x7, MEM_ORG_512Mbx16 = 0x8, MEM_ORG_1Gbx4 = 0x9, MEM_ORG_1Gbx8 = 0xa, MEM_ORG_1Gbx16 = 0xb, MEM_ORG_2Gbx4 = 0xc, MEM_ORG_2Gbx8 = 0xd, MEM_ORG_2Gbx16 = 0xe, MEM_ORG_128Mbx32 = 0x10002, /* GDDR only */ MEM_ORG_256Mbx32 = 0x10005 /* GDDR only */ } netxen_mn_mem_org_t; typedef enum { MEM_ORG_512Kx36 = 0x0, MEM_ORG_1Mx36 = 0x1, MEM_ORG_2Mx36 = 0x2 } netxen_sn_mem_org_t; typedef enum { MEM_DEPTH_4MB = 0x1, MEM_DEPTH_8MB = 0x2, MEM_DEPTH_16MB = 0x3, MEM_DEPTH_32MB = 0x4, MEM_DEPTH_64MB = 0x5, MEM_DEPTH_128MB = 0x6, MEM_DEPTH_256MB = 0x7, MEM_DEPTH_512MB = 0x8, MEM_DEPTH_1GB = 0x9, MEM_DEPTH_2GB = 0xa, MEM_DEPTH_4GB = 0xb, MEM_DEPTH_8GB = 0xc, MEM_DEPTH_16GB = 0xd, MEM_DEPTH_32GB = 0xe } netxen_mem_depth_t; struct netxen_board_info { u32 header_version; u32 board_mfg; u32 board_type; u32 board_num; u32 chip_id; u32 chip_minor; u32 chip_major; u32 chip_pkg; u32 chip_lot; u32 port_mask; /* available niu ports */ u32 peg_mask; /* available pegs */ u32 icache_ok; /* can we run with icache? */ u32 dcache_ok; /* can we run with dcache? */ u32 casper_ok; u32 mac_addr_lo_0; u32 mac_addr_lo_1; u32 mac_addr_lo_2; u32 mac_addr_lo_3; /* MN-related config */ u32 mn_sync_mode; /* enable/ sync shift cclk/ sync shift mclk */ u32 mn_sync_shift_cclk; u32 mn_sync_shift_mclk; u32 mn_wb_en; u32 mn_crystal_freq; /* in MHz */ u32 mn_speed; /* in MHz */ u32 mn_org; u32 mn_depth; u32 mn_ranks_0; /* ranks per slot */ u32 mn_ranks_1; /* ranks per slot */ u32 mn_rd_latency_0; u32 mn_rd_latency_1; u32 mn_rd_latency_2; u32 mn_rd_latency_3; u32 mn_rd_latency_4; u32 mn_rd_latency_5; u32 mn_rd_latency_6; u32 mn_rd_latency_7; u32 mn_rd_latency_8; u32 mn_dll_val[18]; u32 mn_mode_reg; /* MIU DDR Mode Register */ u32 mn_ext_mode_reg; /* MIU DDR Extended Mode Register */ u32 mn_timing_0; /* MIU Memory Control Timing Rgister */ u32 mn_timing_1; /* MIU Extended Memory Ctrl Timing Register */ u32 mn_timing_2; /* MIU Extended Memory Ctrl Timing2 Register */ /* SN-related config */ u32 sn_sync_mode; /* enable/ sync shift cclk / sync shift mclk */ u32 sn_pt_mode; /* pass through mode */ u32 sn_ecc_en; u32 sn_wb_en; u32 sn_crystal_freq; u32 sn_speed; u32 sn_org; u32 sn_depth; u32 sn_dll_tap; u32 sn_rd_latency; u32 mac_addr_hi_0; u32 mac_addr_hi_1; u32 mac_addr_hi_2; u32 mac_addr_hi_3; u32 magic; /* indicates flash has been initialized */ u32 mn_rdimm; u32 mn_dll_override; }; #define FLASH_NUM_PORTS (4) struct netxen_flash_mac_addr { u32 flash_addr[32]; }; struct netxen_user_old_info { u8 flash_md5[16]; u8 crbinit_md5[16]; u8 brdcfg_md5[16]; /* bootloader */ u32 bootld_version; u32 bootld_size; u8 bootld_md5[16]; /* image */ u32 image_version; u32 image_size; u8 image_md5[16]; /* primary image status */ u32 primary_status; u32 secondary_present; /* MAC address , 4 ports */ struct netxen_flash_mac_addr mac_addr[FLASH_NUM_PORTS]; }; #define FLASH_NUM_MAC_PER_PORT 32 struct netxen_user_info { u8 flash_md5[16 * 64]; /* bootloader */ u32 bootld_version; u32 bootld_size; /* image */ u32 image_version; u32 image_size; /* primary image status */ u32 primary_status; u32 secondary_present; /* MAC address , 4 ports, 32 address per port */ u64 mac_addr[FLASH_NUM_PORTS * FLASH_NUM_MAC_PER_PORT]; u32 sub_sys_id; u8 serial_num[32]; /* Any user defined data */ }; /* * Flash Layout - new format. */ struct netxen_new_user_info { u8 flash_md5[16 * 64]; /* bootloader */ u32 bootld_version; u32 bootld_size; /* image */ u32 image_version; u32 image_size; /* primary image status */ u32 primary_status; u32 secondary_present; /* MAC address , 4 ports, 32 address per port */ u64 mac_addr[FLASH_NUM_PORTS * FLASH_NUM_MAC_PER_PORT]; u32 sub_sys_id; u8 serial_num[32]; /* Any user defined data */ }; #define SECONDARY_IMAGE_PRESENT 0xb3b4b5b6 #define SECONDARY_IMAGE_ABSENT 0xffffffff #define PRIMARY_IMAGE_GOOD 0x5a5a5a5a #define PRIMARY_IMAGE_BAD 0xffffffff /* Flash memory map */ typedef enum { NETXEN_CRBINIT_START = 0, /* Crbinit section */ NETXEN_BRDCFG_START = 0x4000, /* board config */ NETXEN_INITCODE_START = 0x6000, /* pegtune code */ NETXEN_BOOTLD_START = 0x10000, /* bootld */ NETXEN_IMAGE_START = 0x43000, /* compressed image */ NETXEN_SECONDARY_START = 0x200000, /* backup images */ NETXEN_PXE_START = 0x3E0000, /* user defined region */ NETXEN_USER_START = 0x3E8000, /* User defined region for new boards */ NETXEN_FIXED_START = 0x3F0000 /* backup of crbinit */ } netxen_flash_map_t; #define NETXEN_USER_START_OLD NETXEN_PXE_START /* for backward compatibility */ #define NETXEN_FLASH_START (NETXEN_CRBINIT_START) #define NETXEN_INIT_SECTOR (0) #define NETXEN_PRIMARY_START (NETXEN_BOOTLD_START) #define NETXEN_FLASH_CRBINIT_SIZE (0x4000) #define NETXEN_FLASH_BRDCFG_SIZE (sizeof(struct netxen_board_info)) #define NETXEN_FLASH_USER_SIZE (sizeof(struct netxen_user_info)/sizeof(u32)) #define NETXEN_FLASH_SECONDARY_SIZE (NETXEN_USER_START-NETXEN_SECONDARY_START) #define NETXEN_NUM_PRIMARY_SECTORS (0x20) #define NETXEN_NUM_CONFIG_SECTORS (1) #define PFX "NetXen: " extern char netxen_nic_driver_name[]; /* Note: Make sure to not call this before adapter->port is valid */ #if !defined(NETXEN_DEBUG) #define DPRINTK(klevel, fmt, args...) do { \ } while (0) #else #define DPRINTK(klevel, fmt, args...) do { \ printk(KERN_##klevel PFX "%s: %s: " fmt, __FUNCTION__,\ (adapter != NULL && adapter->netdev != NULL) ? \ adapter->netdev->name : NULL, \ ## args); } while(0) #endif /* Number of status descriptors to handle per interrupt */ #define MAX_STATUS_HANDLE (128) /* * netxen_skb_frag{} is to contain mapping info for each SG list. This * has to be freed when DMA is complete. This is part of netxen_tx_buffer{}. */ struct netxen_skb_frag { u64 dma; u32 length; }; #define _netxen_set_bits(config_word, start, bits, val) {\ unsigned long long __tmask = (((1ULL << (bits)) - 1) << (start));\ unsigned long long __tvalue = (val); \ (config_word) &= ~__tmask; \ (config_word) |= (((__tvalue) << (start)) & __tmask); \ } #define _netxen_clear_bits(config_word, start, bits) {\ unsigned long long __tmask = (((1ULL << (bits)) - 1) << (start)); \ (config_word) &= ~__tmask; \ } /* Following defines are for the state of the buffers */ #define NETXEN_BUFFER_FREE 0 #define NETXEN_BUFFER_BUSY 1 /* * There will be one netxen_buffer per skb packet. These will be * used to save the dma info for pci_unmap_page() */ struct netxen_cmd_buffer { struct sk_buff *skb; struct netxen_skb_frag frag_array[MAX_BUFFERS_PER_CMD + 1]; u32 total_length; u32 mss; u16 port; u8 cmd; u8 frag_count; unsigned long time_stamp; u32 state; }; /* In rx_buffer, we do not need multiple fragments as is a single buffer */ struct netxen_rx_buffer { struct sk_buff *skb; u64 dma; u16 ref_handle; u16 state; u32 lro_expected_frags; u32 lro_current_frags; u32 lro_length; }; /* Board types */ #define NETXEN_NIC_GBE 0x01 #define NETXEN_NIC_XGBE 0x02 /* * One hardware_context{} per adapter * contains interrupt info as well shared hardware info. */ struct netxen_hardware_context { struct pci_dev *pdev; void __iomem *pci_base0; void __iomem *pci_base1; void __iomem *pci_base2; unsigned long first_page_group_end; unsigned long first_page_group_start; void __iomem *db_base; unsigned long db_len; u8 revision_id; u16 board_type; u16 max_ports; struct netxen_board_info boardcfg; u32 xg_linkup; u32 qg_linksup; /* Address of cmd ring in Phantom */ struct cmd_desc_type0 *cmd_desc_head; struct pci_dev *cmd_desc_pdev; dma_addr_t cmd_desc_phys_addr; struct netxen_adapter *adapter; int pci_func; }; #define RCV_RING_LRO RCV_DESC_LRO #define MINIMUM_ETHERNET_FRAME_SIZE 64 /* With FCS */ #define ETHERNET_FCS_SIZE 4 struct netxen_adapter_stats { u64 rcvdbadskb; u64 xmitcalled; u64 xmitedframes; u64 xmitfinished; u64 badskblen; u64 nocmddescriptor; u64 polled; u64 uphappy; u64 updropped; u64 uplcong; u64 uphcong; u64 upmcong; u64 updunno; u64 skbfreed; u64 txdropped; u64 txnullskb; u64 csummed; u64 no_rcv; u64 rxbytes; u64 txbytes; u64 ints; }; /* * Rcv Descriptor Context. One such per Rcv Descriptor. There may * be one Rcv Descriptor for normal packets, one for jumbo and may be others. */ struct netxen_rcv_desc_ctx { u32 flags; u32 producer; u32 rcv_pending; /* Num of bufs posted in phantom */ u32 rcv_free; /* Num of bufs in free list */ dma_addr_t phys_addr; struct pci_dev *phys_pdev; struct rcv_desc *desc_head; /* address of rx ring in Phantom */ u32 max_rx_desc_count; u32 dma_size; u32 skb_size; struct netxen_rx_buffer *rx_buf_arr; /* rx buffers for receive */ int begin_alloc; }; /* * Receive context. There is one such structure per instance of the * receive processing. Any state information that is relevant to * the receive, and is must be in this structure. The global data may be * present elsewhere. */ struct netxen_recv_context { struct netxen_rcv_desc_ctx rcv_desc[NUM_RCV_DESC_RINGS]; u32 status_rx_producer; u32 status_rx_consumer; dma_addr_t rcv_status_desc_phys_addr; struct pci_dev *rcv_status_desc_pdev; struct status_desc *rcv_status_desc_head; }; #define NETXEN_NIC_MSI_ENABLED 0x02 #define NETXEN_DMA_MASK 0xfffffffe #define NETXEN_DB_MAPSIZE_BYTES 0x1000 struct netxen_dummy_dma { void *addr; dma_addr_t phys_addr; }; struct netxen_adapter { struct netxen_hardware_context ahw; struct netxen_adapter *master; struct net_device *netdev; struct pci_dev *pdev; struct net_device_stats net_stats; unsigned char mac_addr[ETH_ALEN]; int mtu; int portnum; spinlock_t tx_lock; spinlock_t lock; struct work_struct watchdog_task; struct timer_list watchdog_timer; struct work_struct tx_timeout_task; u32 curr_window; u32 cmd_producer; u32 *cmd_consumer; u32 last_cmd_consumer; u32 max_tx_desc_count; u32 max_rx_desc_count; u32 max_jumbo_rx_desc_count; u32 max_lro_rx_desc_count; /* Num of instances active on cmd buffer ring */ u32 proc_cmd_buf_counter; u32 num_threads, total_threads; /*Use to keep track of xmit threads */ u32 flags; u32 irq; int driver_mismatch; u32 temp; struct netxen_adapter_stats stats; u16 portno; u16 link_speed; u16 link_duplex; u16 state; u16 link_autoneg; int rcsum; int status; spinlock_t stats_lock; struct netxen_cmd_buffer *cmd_buf_arr; /* Command buffers for xmit */ /* * Receive instances. These can be either one per port, * or one per peg, etc. */ struct netxen_recv_context recv_ctx[MAX_RCV_CTX]; int is_up; struct netxen_dummy_dma dummy_dma; /* Context interface shared between card and host */ struct netxen_ring_ctx *ctx_desc; struct pci_dev *ctx_desc_pdev; dma_addr_t ctx_desc_phys_addr; int (*enable_phy_interrupts) (struct netxen_adapter *); int (*disable_phy_interrupts) (struct netxen_adapter *); void (*handle_phy_intr) (struct netxen_adapter *); int (*macaddr_set) (struct netxen_adapter *, netxen_ethernet_macaddr_t); int (*set_mtu) (struct netxen_adapter *, int); int (*set_promisc) (struct netxen_adapter *, netxen_niu_prom_mode_t); int (*unset_promisc) (struct netxen_adapter *, netxen_niu_prom_mode_t); int (*phy_read) (struct netxen_adapter *, long reg, u32 *); int (*phy_write) (struct netxen_adapter *, long reg, u32 val); int (*init_port) (struct netxen_adapter *, int); void (*init_niu) (struct netxen_adapter *); int (*stop_port) (struct netxen_adapter *); }; /* netxen_adapter structure */ /* Max number of xmit producer threads that can run simultaneously */ #define MAX_XMIT_PRODUCERS 16 #define PCI_OFFSET_FIRST_RANGE(adapter, off) \ ((adapter)->ahw.pci_base0 + (off)) #define PCI_OFFSET_SECOND_RANGE(adapter, off) \ ((adapter)->ahw.pci_base1 + (off) - SECOND_PAGE_GROUP_START) #define PCI_OFFSET_THIRD_RANGE(adapter, off) \ ((adapter)->ahw.pci_base2 + (off) - THIRD_PAGE_GROUP_START) static inline void __iomem *pci_base_offset(struct netxen_adapter *adapter, unsigned long off) { if ((off < FIRST_PAGE_GROUP_END) && (off >= FIRST_PAGE_GROUP_START)) { return (adapter->ahw.pci_base0 + off); } else if ((off < SECOND_PAGE_GROUP_END) && (off >= SECOND_PAGE_GROUP_START)) { return (adapter->ahw.pci_base1 + off - SECOND_PAGE_GROUP_START); } else if ((off < THIRD_PAGE_GROUP_END) && (off >= THIRD_PAGE_GROUP_START)) { return (adapter->ahw.pci_base2 + off - THIRD_PAGE_GROUP_START); } return NULL; } static inline void __iomem *pci_base(struct netxen_adapter *adapter, unsigned long off) { if ((off < FIRST_PAGE_GROUP_END) && (off >= FIRST_PAGE_GROUP_START)) { return adapter->ahw.pci_base0; } else if ((off < SECOND_PAGE_GROUP_END) && (off >= SECOND_PAGE_GROUP_START)) { return adapter->ahw.pci_base1; } else if ((off < THIRD_PAGE_GROUP_END) && (off >= THIRD_PAGE_GROUP_START)) { return adapter->ahw.pci_base2; } return NULL; } int netxen_niu_xgbe_enable_phy_interrupts(struct netxen_adapter *adapter); int netxen_niu_gbe_enable_phy_interrupts(struct netxen_adapter *adapter); int netxen_niu_xgbe_disable_phy_interrupts(struct netxen_adapter *adapter); int netxen_niu_gbe_disable_phy_interrupts(struct netxen_adapter *adapter); int netxen_niu_xgbe_clear_phy_interrupts(struct netxen_adapter *adapter); int netxen_niu_gbe_clear_phy_interrupts(struct netxen_adapter *adapter); void netxen_nic_xgbe_handle_phy_intr(struct netxen_adapter *adapter); void netxen_nic_gbe_handle_phy_intr(struct netxen_adapter *adapter); void netxen_niu_gbe_set_mii_mode(struct netxen_adapter *adapter, int port, long enable); void netxen_niu_gbe_set_gmii_mode(struct netxen_adapter *adapter, int port, long enable); int netxen_niu_gbe_phy_read(struct netxen_adapter *adapter, long reg, __u32 * readval); int netxen_niu_gbe_phy_write(struct netxen_adapter *adapter, long reg, __u32 val); /* Functions available from netxen_nic_hw.c */ int netxen_nic_set_mtu_xgb(struct netxen_adapter *adapter, int new_mtu); int netxen_nic_set_mtu_gb(struct netxen_adapter *adapter, int new_mtu); void netxen_nic_init_niu_gb(struct netxen_adapter *adapter); void netxen_nic_pci_change_crbwindow(struct netxen_adapter *adapter, u32 wndw); void netxen_nic_reg_write(struct netxen_adapter *adapter, u64 off, u32 val); int netxen_nic_reg_read(struct netxen_adapter *adapter, u64 off); void netxen_nic_write_w0(struct netxen_adapter *adapter, u32 index, u32 value); void netxen_nic_read_w0(struct netxen_adapter *adapter, u32 index, u32 * value); int netxen_nic_get_board_info(struct netxen_adapter *adapter); int netxen_nic_hw_read_wx(struct netxen_adapter *adapter, u64 off, void *data, int len); int netxen_nic_hw_write_wx(struct netxen_adapter *adapter, u64 off, void *data, int len); void netxen_crb_writelit_adapter(struct netxen_adapter *adapter, unsigned long off, int data); int netxen_nic_erase_pxe(struct netxen_adapter *adapter); /* Functions from netxen_nic_init.c */ void netxen_free_adapter_offload(struct netxen_adapter *adapter); int netxen_initialize_adapter_offload(struct netxen_adapter *adapter); void netxen_phantom_init(struct netxen_adapter *adapter, int pegtune_val); void netxen_load_firmware(struct netxen_adapter *adapter); int netxen_pinit_from_rom(struct netxen_adapter *adapter, int verbose); int netxen_rom_fast_read(struct netxen_adapter *adapter, int addr, int *valp); int netxen_rom_fast_read_words(struct netxen_adapter *adapter, int addr, u8 *bytes, size_t size); int netxen_rom_fast_write_words(struct netxen_adapter *adapter, int addr, u8 *bytes, size_t size); int netxen_flash_unlock(struct netxen_adapter *adapter); int netxen_backup_crbinit(struct netxen_adapter *adapter); int netxen_flash_erase_secondary(struct netxen_adapter *adapter); int netxen_flash_erase_primary(struct netxen_adapter *adapter); void netxen_halt_pegs(struct netxen_adapter *adapter); int netxen_rom_fast_write(struct netxen_adapter *adapter, int addr, int data); int netxen_rom_se(struct netxen_adapter *adapter, int addr); int netxen_do_rom_se(struct netxen_adapter *adapter, int addr); /* Functions from netxen_nic_isr.c */ void netxen_nic_isr_other(struct netxen_adapter *adapter); void netxen_indicate_link_status(struct netxen_adapter *adapter, u32 link); void netxen_handle_port_int(struct netxen_adapter *adapter, u32 enable); void netxen_initialize_adapter_sw(struct netxen_adapter *adapter); void netxen_initialize_adapter_hw(struct netxen_adapter *adapter); void *netxen_alloc(struct pci_dev *pdev, size_t sz, dma_addr_t * ptr, struct pci_dev **used_dev); void netxen_initialize_adapter_ops(struct netxen_adapter *adapter); int netxen_init_firmware(struct netxen_adapter *adapter); void netxen_free_hw_resources(struct netxen_adapter *adapter); void netxen_tso_check(struct netxen_adapter *adapter, struct cmd_desc_type0 *desc, struct sk_buff *skb); int netxen_nic_hw_resources(struct netxen_adapter *adapter); void netxen_nic_clear_stats(struct netxen_adapter *adapter); int netxen_nic_rx_has_work(struct netxen_adapter *adapter); int netxen_nic_tx_has_work(struct netxen_adapter *adapter); void netxen_watchdog_task(struct work_struct *work); void netxen_post_rx_buffers(struct netxen_adapter *adapter, u32 ctx, u32 ringid); void netxen_post_rx_buffers_nodb(struct netxen_adapter *adapter, u32 ctx, u32 ringid); int netxen_process_cmd_ring(unsigned long data); u32 netxen_process_rcv_ring(struct netxen_adapter *adapter, int ctx, int max); void netxen_nic_set_multi(struct net_device *netdev); int netxen_nic_change_mtu(struct net_device *netdev, int new_mtu); int netxen_nic_set_mac(struct net_device *netdev, void *p); struct net_device_stats *netxen_nic_get_stats(struct net_device *netdev); static inline void netxen_nic_disable_int(struct netxen_adapter *adapter) { /* * ISR_INT_MASK: Can be read from window 0 or 1. */ writel(0x7ff, PCI_OFFSET_SECOND_RANGE(adapter, ISR_INT_MASK)); } static inline void netxen_nic_enable_int(struct netxen_adapter *adapter) { u32 mask; switch (adapter->ahw.board_type) { case NETXEN_NIC_GBE: mask = 0x77b; break; case NETXEN_NIC_XGBE: mask = 0x77f; break; default: mask = 0x7ff; break; } writel(mask, PCI_OFFSET_SECOND_RANGE(adapter, ISR_INT_MASK)); if (!(adapter->flags & NETXEN_NIC_MSI_ENABLED)) { mask = 0xbff; writel(0X0, NETXEN_CRB_NORMALIZE(adapter, CRB_INT_VECTOR)); writel(mask, PCI_OFFSET_SECOND_RANGE(adapter, ISR_INT_TARGET_MASK)); } } /* * NetXen Board information */ #define NETXEN_MAX_SHORT_NAME 16 struct netxen_brdinfo { netxen_brdtype_t brdtype; /* type of board */ long ports; /* max no of physical ports */ char short_name[NETXEN_MAX_SHORT_NAME]; }; static const struct netxen_brdinfo netxen_boards[] = { {NETXEN_BRDTYPE_P2_SB31_10G_CX4, 1, "XGb CX4"}, {NETXEN_BRDTYPE_P2_SB31_10G_HMEZ, 1, "XGb HMEZ"}, {NETXEN_BRDTYPE_P2_SB31_10G_IMEZ, 2, "XGb IMEZ"}, {NETXEN_BRDTYPE_P2_SB31_10G, 1, "XGb XFP"}, {NETXEN_BRDTYPE_P2_SB35_4G, 4, "Quad Gb"}, {NETXEN_BRDTYPE_P2_SB31_2G, 2, "Dual Gb"}, }; #define NUM_SUPPORTED_BOARDS (sizeof(netxen_boards)/sizeof(struct netxen_brdinfo)) static inline void get_brd_port_by_type(u32 type, int *ports) { int i, found = 0; for (i = 0; i < NUM_SUPPORTED_BOARDS; ++i) { if (netxen_boards[i].brdtype == type) { *ports = netxen_boards[i].ports; found = 1; break; } } if (!found) *ports = 0; } static inline void get_brd_name_by_type(u32 type, char *name) { int i, found = 0; for (i = 0; i < NUM_SUPPORTED_BOARDS; ++i) { if (netxen_boards[i].brdtype == type) { strcpy(name, netxen_boards[i].short_name); found = 1; break; } } if (!found) name = "Unknown"; } int netxen_is_flash_supported(struct netxen_adapter *adapter); int netxen_get_flash_mac_addr(struct netxen_adapter *adapter, u64 mac[]); extern void netxen_change_ringparam(struct netxen_adapter *adapter); extern int netxen_rom_fast_read(struct netxen_adapter *adapter, int addr, int *valp); extern struct ethtool_ops netxen_nic_ethtool_ops; extern int physical_port[]; /* physical port # from virtual port.*/ #endif /* __NETXEN_NIC_H_ */