diff options
Diffstat (limited to 'drivers/net/netxen/netxen_nic.h')
| -rw-r--r-- | drivers/net/netxen/netxen_nic.h | 910 |
1 files changed, 910 insertions, 0 deletions
diff --git a/drivers/net/netxen/netxen_nic.h b/drivers/net/netxen/netxen_nic.h new file mode 100644 index 00000000000000..c7d76c14f7be6b --- /dev/null +++ b/drivers/net/netxen/netxen_nic.h @@ -0,0 +1,910 @@ +/* + * 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/config.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_BUILD_NO "232" +#define _NETXEN_NIC_LINUX_MAJOR 2 +#define _NETXEN_NIC_LINUX_MINOR 3 +#define _NETXEN_NIC_LINUX_SUBVERSION 57 +#define NETXEN_NIC_LINUX_VERSIONID "2.3.57" +#define NETXEN_NIC_FW_VERSIONID "2.3.57" + +#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 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 ADDR_IN_WINDOW1(off) \ + ((off > NETXEN_CRB_PCIX_HOST2) && (off < NETXEN_CRB_MAX)) ? 1 : 0 + +/* + * normalize a 64MB crb address to 32MB PCI window + * To use NETXEN_CRB_NORMALIZE, window _must_ be set to 1 + */ +#define NETXEN_CRB_NORMALIZE(adapter, reg) \ + ((adapter)->ahw.pci_base + (reg) \ + - NETXEN_CRB_PCIX_HOST2 + NETXEN_CRB_PCIX_HOST) + +#define MAX_RX_BUFFER_LENGTH 2000 +#define MAX_RX_JUMBO_BUFFER_LENGTH 9046 +#define RX_DMA_MAP_LEN (MAX_RX_BUFFER_LENGTH - NET_IP_ALIGN) +#define RX_JUMBO_DMA_MAP_LEN \ + (MAX_RX_JUMBO_BUFFER_LENGTH - NET_IP_ALIGN) +#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 2 /* No of Rcv Descriptor contexts */ + +/* descriptor types */ +#define RCV_DESC_NORMAL 0x01 +#define RCV_DESC_JUMBO 0x02 +#define RCV_DESC_NORMAL_CTXID 0 +#define RCV_DESC_JUMBO_CTXID 1 + +#define RCV_DESC_TYPE(ID) \ + ((ID == RCV_DESC_JUMBO_CTXID) ? RCV_DESC_JUMBO : RCV_DESC_NORMAL) + +#define MAX_CMD_DESCRIPTORS 1024 +#define MAX_RCV_DESCRIPTORS 32768 +#define MAX_JUMBO_RCV_DESCRIPTORS 1024 +#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 NUM_RCV_DESC (MAX_RCV_DESC + MAX_JUMBO_RCV_DESCRIPTORS) +#define MAX_EPG_DESCRIPTORS (MAX_CMD_DESCRIPTORS * 8) + +#define MIN_TX_COUNT 4096 +#define MIN_RX_COUNT 4096 + +#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)) + +/* + * 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 CMD_DESC_TOTAL_LENGTH(cmd_desc) \ + ((cmd_desc)->length_tcp_hdr & 0x00FFFFFF) +#define CMD_DESC_TCP_HDR_OFFSET(cmd_desc) \ + (((cmd_desc)->length_tcp_hdr >> 24) & 0x0FF) +#define CMD_DESC_PORT(cmd_desc) ((cmd_desc)->port_ctxid & 0x0F) +#define CMD_DESC_CTX_ID(cmd_desc) (((cmd_desc)->port_ctxid >> 4) & 0x0F) + +#define CMD_DESC_TOTAL_LENGTH_WRT(cmd_desc, var) \ + ((cmd_desc)->length_tcp_hdr |= ((var) & 0x00FFFFFF)) +#define CMD_DESC_TCP_HDR_OFFSET_WRT(cmd_desc, var) \ + ((cmd_desc)->length_tcp_hdr |= (((var) << 24) & 0xFF000000)) +#define CMD_DESC_PORT_WRT(cmd_desc, var) \ + ((cmd_desc)->port_ctxid |= ((var) & 0x0F)) + +struct cmd_desc_type0 { + u64 netxen_next; /* for fragments handled by Phantom */ + union { + struct { + u32 addr_low_part2; + u32 addr_high_part2; + }; + u64 addr_buffer2; + }; + + /* Bit pattern: 0-23 total length, 24-32 tcp header offset */ + u32 length_tcp_hdr; + u8 ip_hdr_offset; /* For LSO only */ + u8 num_of_buffers; /* total number of segments */ + u8 flags; /* as defined above */ + u8 opcode; + + u16 reference_handle; /* changed to u16 to add mss */ + u16 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 */ + u16 conn_id; /* IPSec offoad only */ + + union { + struct { + u32 addr_low_part3; + u32 addr_high_part3; + }; + u64 addr_buffer3; + }; + + union { + struct { + u32 addr_low_part1; + u32 addr_high_part1; + }; + u64 addr_buffer1; + }; + + u16 buffer1_length; + u16 buffer2_length; + u16 buffer3_length; + u16 buffer4_length; + + union { + struct { + u32 addr_low_part4; + u32 addr_high_part4; + }; + u64 addr_buffer4; + }; + +} __attribute__ ((aligned(64))); + +/* Note: sizeof(rcv_desc) should always be a mutliple of 2 */ +struct rcv_desc { + u16 reference_handle; + u16 reserved; + u32 buffer_length; /* allocated buffer length (usually 2K) */ + u64 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 STATUS_DESC_PORT(status_desc) \ + ((status_desc)->port_status_type_op & 0x0F) +#define STATUS_DESC_STATUS(status_desc) \ + (((status_desc)->port_status_type_op >> 4) & 0x0F) +#define STATUS_DESC_TYPE(status_desc) \ + (((status_desc)->port_status_type_op >> 8) & 0x0F) +#define STATUS_DESC_OPCODE(status_desc) \ + (((status_desc)->port_status_type_op >> 12) & 0x0F) + +struct status_desc { + /* Bit pattern: 0-3 port, 4-7 status, 8-11 type, 12-15 opcode */ + u16 port_status_type_op; + u16 total_length; /* NIC mode */ + u16 reference_handle; /* handle for the associated packet */ + /* Bit pattern: 0-1 owner, 2-5 protocol */ + u16 owner; /* Owner of the descriptor */ +} __attribute__ ((aligned(8))); + +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 { + CRBINIT_START = 0, /* Crbinit section */ + BRDCFG_START = 0x4000, /* board config */ + INITCODE_START = 0x6000, /* pegtune code */ + BOOTLD_START = 0x10000, /* bootld */ + IMAGE_START = 0x43000, /* compressed image */ + SECONDARY_START = 0x200000, /* backup images */ + PXE_START = 0x3E0000, /* user defined region */ + USER_START = 0x3E8000, /* User defined region for new boards */ + FIXED_START = 0x3F0000 /* backup of crbinit */ +} netxen_flash_map_t; + +#define USER_START_OLD PXE_START /* for backward compatibility */ + +#define FLASH_START (CRBINIT_START) +#define INIT_SECTOR (0) +#define PRIMARY_START (BOOTLD_START) +#define FLASH_CRBINIT_SIZE (0x4000) +#define FLASH_BRDCFG_SIZE (sizeof(struct netxen_board_info)) +#define FLASH_USER_SIZE (sizeof(netxen_user_info)/sizeof(u32)) +#define FLASH_SECONDARY_SIZE (USER_START-SECONDARY_START) +#define NUM_PRIMARY_SECTORS (0x20) +#define NUM_CONFIG_SECTORS (1) +#define PFX "netxen: " + +/* 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->port != NULL && \ + adapter->port[0] != NULL && \ + adapter->port[0]->netdev != NULL) ? \ + adapter->port[0]->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; +}; + +/* 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; + u32 no_of_descriptors; +}; + +/* 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; +}; + +/* 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_base; /* base of mapped phantom memory */ + u8 revision_id; + u16 board_type; + u16 max_ports; + struct netxen_board_info boardcfg; + u32 xg_linkup; + /* Address of cmd ring in Phantom */ + struct cmd_desc_type0 *cmd_desc_head; + dma_addr_t cmd_desc_phys_addr; + struct netxen_adapter *adapter; +}; + +#define MINIMUM_ETHERNET_FRAME_SIZE 64 /* With FCS */ +#define ETHERNET_FCS_SIZE 4 + +struct netxen_adapter_stats { + u64 ints; + u64 hostints; + u64 otherints; + u64 process_rcv; + u64 process_xmit; + u64 noxmitdone; + u64 xmitcsummed; + u64 post_called; + u64 posted; + u64 lastposted; + u64 goodskbposts; +}; + +/* + * 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 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 status_desc *rcv_status_desc_head; +}; + +#define NETXEN_NIC_MSI_ENABLED 0x02 + +struct netxen_drvops; + +struct netxen_adapter { + struct netxen_hardware_context ahw; + int port_count; /* Number of configured ports */ + int active_ports; /* Number of open ports */ + struct netxen_port *port[NETXEN_MAX_PORTS]; /* ptr to each port */ + spinlock_t tx_lock; + spinlock_t lock; + struct work_struct watchdog_task; + struct work_struct tx_timeout_task; + struct timer_list watchdog_timer; + + 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; + /* 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; + + struct netxen_adapter_stats stats; + + 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; + int work_done; + struct netxen_drvops *ops; +}; /* netxen_adapter structure */ + +/* Max number of xmit producer threads that can run simultaneously */ +#define MAX_XMIT_PRODUCERS 16 + +struct netxen_port_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; +}; + +struct netxen_port { + struct netxen_adapter *adapter; + + u16 portnum; /* GBE port number */ + u16 link_speed; + u16 link_duplex; + u16 link_autoneg; + + int flags; + + struct net_device *netdev; + struct pci_dev *pdev; + struct net_device_stats net_stats; + struct netxen_port_stats stats; +}; + +struct netxen_drvops { + int (*enable_phy_interrupts) (struct netxen_adapter *, int); + int (*disable_phy_interrupts) (struct netxen_adapter *, int); + void (*handle_phy_intr) (struct netxen_adapter *); + int (*macaddr_set) (struct netxen_port *, netxen_ethernet_macaddr_t); + int (*set_mtu) (struct netxen_port *, int); + int (*set_promisc) (struct netxen_adapter *, int, + netxen_niu_prom_mode_t); + int (*unset_promisc) (struct netxen_adapter *, int, + netxen_niu_prom_mode_t); + int (*phy_read) (struct netxen_adapter *, long phy, long reg, u32 *); + int (*phy_write) (struct netxen_adapter *, long phy, long reg, u32 val); + int (*init_port) (struct netxen_adapter *, int); + void (*init_niu) (struct netxen_adapter *); + int (*stop_port) (struct netxen_adapter *, int); +}; + +extern char netxen_nic_driver_name[]; + +int netxen_niu_xgbe_enable_phy_interrupts(struct netxen_adapter *adapter, + int port); +int netxen_niu_gbe_enable_phy_interrupts(struct netxen_adapter *adapter, + int port); +int netxen_niu_xgbe_disable_phy_interrupts(struct netxen_adapter *adapter, + int port); +int netxen_niu_gbe_disable_phy_interrupts(struct netxen_adapter *adapter, + int port); +int netxen_niu_xgbe_clear_phy_interrupts(struct netxen_adapter *adapter, + int port); +int netxen_niu_gbe_clear_phy_interrupts(struct netxen_adapter *adapter, + int port); +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 phy, long reg, + __le32 * readval); +int netxen_niu_gbe_phy_write(struct netxen_adapter *adapter, long phy, + long reg, __le32 val); + +/* Functions available from netxen_nic_hw.c */ +int netxen_niu_xginit(struct netxen_adapter *); +int netxen_nic_set_mtu_xgb(struct netxen_port *port, int new_mtu); +int netxen_nic_set_mtu_gb(struct netxen_port *port, 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); + +/* Functions from netxen_nic_init.c */ +void netxen_phantom_init(struct netxen_adapter *adapter); +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); + +/* 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 port, + u32 link); +void netxen_handle_port_int(struct netxen_adapter *adapter, u32 port, + u32 enable); +void netxen_nic_stop_all_ports(struct netxen_adapter *adapter); +void netxen_initialize_adapter_sw(struct netxen_adapter *adapter); +void netxen_initialize_adapter_hw(struct netxen_adapter *adapter); +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_do_ioctl(struct netxen_adapter *adapter, void *u_data, + struct netxen_port *port); +int netxen_nic_rx_has_work(struct netxen_adapter *adapter); +int netxen_nic_tx_has_work(struct netxen_adapter *adapter); +void netxen_watchdog_task(unsigned long v); +void netxen_post_rx_buffers(struct netxen_adapter *adapter, u32 ctx, + u32 ringid); +void 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, (void __iomem *)(adapter->ahw.pci_base + 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, (void __iomem *)(adapter->ahw.pci_base + ISR_INT_MASK)); + + if (!(adapter->flags & NETXEN_NIC_MSI_ENABLED)) { + mask = 0xbff; + writel(mask, (void __iomem *) + (adapter->ahw.pci_base + ISR_INT_TARGET_MASK)); + } +} + +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; + +#endif /* __NETXEN_NIC_H_ */ |