diff options
author | Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2011-05-13 02:51:01 -0700 |
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committer | Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2011-08-11 02:41:47 -0700 |
commit | 86387e1ac4fcaa45ff5578013a78593d1a0ba279 (patch) | |
tree | 25c662fa8226419e73c72873888634fe1df04693 /drivers/net/s2io.h | |
parent | 93f7848b77bcf1108879defd32612422ae80d785 (diff) |
s2io/vxge: Move the Exar drivers
Move the Exar drivers into drivers/net/ethernet/neterion/ and make the
necessary Kconfig and Makefile changes.
CC: Jon Mason <jdmason@kudzu.us>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Diffstat (limited to 'drivers/net/s2io.h')
-rw-r--r-- | drivers/net/s2io.h | 1148 |
1 files changed, 0 insertions, 1148 deletions
diff --git a/drivers/net/s2io.h b/drivers/net/s2io.h deleted file mode 100644 index d5596926a1e..00000000000 --- a/drivers/net/s2io.h +++ /dev/null @@ -1,1148 +0,0 @@ -/************************************************************************ - * s2io.h: A Linux PCI-X Ethernet driver for Neterion 10GbE Server NIC - * Copyright(c) 2002-2010 Exar Corp. - - * This software may be used and distributed according to the terms of - * the GNU General Public License (GPL), incorporated herein by reference. - * Drivers based on or derived from this code fall under the GPL and must - * retain the authorship, copyright and license notice. This file is not - * a complete program and may only be used when the entire operating - * system is licensed under the GPL. - * See the file COPYING in this distribution for more information. - ************************************************************************/ -#ifndef _S2IO_H -#define _S2IO_H - -#define TBD 0 -#define s2BIT(loc) (0x8000000000000000ULL >> (loc)) -#define vBIT(val, loc, sz) (((u64)val) << (64-loc-sz)) -#define INV(d) ((d&0xff)<<24) | (((d>>8)&0xff)<<16) | (((d>>16)&0xff)<<8)| ((d>>24)&0xff) - -#undef SUCCESS -#define SUCCESS 0 -#define FAILURE -1 -#define S2IO_MINUS_ONE 0xFFFFFFFFFFFFFFFFULL -#define S2IO_DISABLE_MAC_ENTRY 0xFFFFFFFFFFFFULL -#define S2IO_MAX_PCI_CONFIG_SPACE_REINIT 100 -#define S2IO_BIT_RESET 1 -#define S2IO_BIT_SET 2 -#define CHECKBIT(value, nbit) (value & (1 << nbit)) - -/* Maximum time to flicker LED when asked to identify NIC using ethtool */ -#define MAX_FLICKER_TIME 60000 /* 60 Secs */ - -/* Maximum outstanding splits to be configured into xena. */ -enum { - XENA_ONE_SPLIT_TRANSACTION = 0, - XENA_TWO_SPLIT_TRANSACTION = 1, - XENA_THREE_SPLIT_TRANSACTION = 2, - XENA_FOUR_SPLIT_TRANSACTION = 3, - XENA_EIGHT_SPLIT_TRANSACTION = 4, - XENA_TWELVE_SPLIT_TRANSACTION = 5, - XENA_SIXTEEN_SPLIT_TRANSACTION = 6, - XENA_THIRTYTWO_SPLIT_TRANSACTION = 7 -}; -#define XENA_MAX_OUTSTANDING_SPLITS(n) (n << 4) - -/* OS concerned variables and constants */ -#define WATCH_DOG_TIMEOUT 15*HZ -#define EFILL 0x1234 -#define ALIGN_SIZE 127 -#define PCIX_COMMAND_REGISTER 0x62 - -/* - * Debug related variables. - */ -/* different debug levels. */ -#define ERR_DBG 0 -#define INIT_DBG 1 -#define INFO_DBG 2 -#define TX_DBG 3 -#define INTR_DBG 4 - -/* Global variable that defines the present debug level of the driver. */ -static int debug_level = ERR_DBG; - -/* DEBUG message print. */ -#define DBG_PRINT(dbg_level, fmt, args...) do { \ - if (dbg_level <= debug_level) \ - pr_info(fmt, ##args); \ - } while (0) - -/* Protocol assist features of the NIC */ -#define L3_CKSUM_OK 0xFFFF -#define L4_CKSUM_OK 0xFFFF -#define S2IO_JUMBO_SIZE 9600 - -/* Driver statistics maintained by driver */ -struct swStat { - unsigned long long single_ecc_errs; - unsigned long long double_ecc_errs; - unsigned long long parity_err_cnt; - unsigned long long serious_err_cnt; - unsigned long long soft_reset_cnt; - unsigned long long fifo_full_cnt; - unsigned long long ring_full_cnt[8]; - /* LRO statistics */ - unsigned long long clubbed_frms_cnt; - unsigned long long sending_both; - unsigned long long outof_sequence_pkts; - unsigned long long flush_max_pkts; - unsigned long long sum_avg_pkts_aggregated; - unsigned long long num_aggregations; - /* Other statistics */ - unsigned long long mem_alloc_fail_cnt; - unsigned long long pci_map_fail_cnt; - unsigned long long watchdog_timer_cnt; - unsigned long long mem_allocated; - unsigned long long mem_freed; - unsigned long long link_up_cnt; - unsigned long long link_down_cnt; - unsigned long long link_up_time; - unsigned long long link_down_time; - - /* Transfer Code statistics */ - unsigned long long tx_buf_abort_cnt; - unsigned long long tx_desc_abort_cnt; - unsigned long long tx_parity_err_cnt; - unsigned long long tx_link_loss_cnt; - unsigned long long tx_list_proc_err_cnt; - - unsigned long long rx_parity_err_cnt; - unsigned long long rx_abort_cnt; - unsigned long long rx_parity_abort_cnt; - unsigned long long rx_rda_fail_cnt; - unsigned long long rx_unkn_prot_cnt; - unsigned long long rx_fcs_err_cnt; - unsigned long long rx_buf_size_err_cnt; - unsigned long long rx_rxd_corrupt_cnt; - unsigned long long rx_unkn_err_cnt; - - /* Error/alarm statistics*/ - unsigned long long tda_err_cnt; - unsigned long long pfc_err_cnt; - unsigned long long pcc_err_cnt; - unsigned long long tti_err_cnt; - unsigned long long lso_err_cnt; - unsigned long long tpa_err_cnt; - unsigned long long sm_err_cnt; - unsigned long long mac_tmac_err_cnt; - unsigned long long mac_rmac_err_cnt; - unsigned long long xgxs_txgxs_err_cnt; - unsigned long long xgxs_rxgxs_err_cnt; - unsigned long long rc_err_cnt; - unsigned long long prc_pcix_err_cnt; - unsigned long long rpa_err_cnt; - unsigned long long rda_err_cnt; - unsigned long long rti_err_cnt; - unsigned long long mc_err_cnt; - -}; - -/* Xpak releated alarm and warnings */ -struct xpakStat { - u64 alarm_transceiver_temp_high; - u64 alarm_transceiver_temp_low; - u64 alarm_laser_bias_current_high; - u64 alarm_laser_bias_current_low; - u64 alarm_laser_output_power_high; - u64 alarm_laser_output_power_low; - u64 warn_transceiver_temp_high; - u64 warn_transceiver_temp_low; - u64 warn_laser_bias_current_high; - u64 warn_laser_bias_current_low; - u64 warn_laser_output_power_high; - u64 warn_laser_output_power_low; - u64 xpak_regs_stat; - u32 xpak_timer_count; -}; - - -/* The statistics block of Xena */ -struct stat_block { -/* Tx MAC statistics counters. */ - __le32 tmac_data_octets; - __le32 tmac_frms; - __le64 tmac_drop_frms; - __le32 tmac_bcst_frms; - __le32 tmac_mcst_frms; - __le64 tmac_pause_ctrl_frms; - __le32 tmac_ucst_frms; - __le32 tmac_ttl_octets; - __le32 tmac_any_err_frms; - __le32 tmac_nucst_frms; - __le64 tmac_ttl_less_fb_octets; - __le64 tmac_vld_ip_octets; - __le32 tmac_drop_ip; - __le32 tmac_vld_ip; - __le32 tmac_rst_tcp; - __le32 tmac_icmp; - __le64 tmac_tcp; - __le32 reserved_0; - __le32 tmac_udp; - -/* Rx MAC Statistics counters. */ - __le32 rmac_data_octets; - __le32 rmac_vld_frms; - __le64 rmac_fcs_err_frms; - __le64 rmac_drop_frms; - __le32 rmac_vld_bcst_frms; - __le32 rmac_vld_mcst_frms; - __le32 rmac_out_rng_len_err_frms; - __le32 rmac_in_rng_len_err_frms; - __le64 rmac_long_frms; - __le64 rmac_pause_ctrl_frms; - __le64 rmac_unsup_ctrl_frms; - __le32 rmac_accepted_ucst_frms; - __le32 rmac_ttl_octets; - __le32 rmac_discarded_frms; - __le32 rmac_accepted_nucst_frms; - __le32 reserved_1; - __le32 rmac_drop_events; - __le64 rmac_ttl_less_fb_octets; - __le64 rmac_ttl_frms; - __le64 reserved_2; - __le32 rmac_usized_frms; - __le32 reserved_3; - __le32 rmac_frag_frms; - __le32 rmac_osized_frms; - __le32 reserved_4; - __le32 rmac_jabber_frms; - __le64 rmac_ttl_64_frms; - __le64 rmac_ttl_65_127_frms; - __le64 reserved_5; - __le64 rmac_ttl_128_255_frms; - __le64 rmac_ttl_256_511_frms; - __le64 reserved_6; - __le64 rmac_ttl_512_1023_frms; - __le64 rmac_ttl_1024_1518_frms; - __le32 rmac_ip; - __le32 reserved_7; - __le64 rmac_ip_octets; - __le32 rmac_drop_ip; - __le32 rmac_hdr_err_ip; - __le32 reserved_8; - __le32 rmac_icmp; - __le64 rmac_tcp; - __le32 rmac_err_drp_udp; - __le32 rmac_udp; - __le64 rmac_xgmii_err_sym; - __le64 rmac_frms_q0; - __le64 rmac_frms_q1; - __le64 rmac_frms_q2; - __le64 rmac_frms_q3; - __le64 rmac_frms_q4; - __le64 rmac_frms_q5; - __le64 rmac_frms_q6; - __le64 rmac_frms_q7; - __le16 rmac_full_q3; - __le16 rmac_full_q2; - __le16 rmac_full_q1; - __le16 rmac_full_q0; - __le16 rmac_full_q7; - __le16 rmac_full_q6; - __le16 rmac_full_q5; - __le16 rmac_full_q4; - __le32 reserved_9; - __le32 rmac_pause_cnt; - __le64 rmac_xgmii_data_err_cnt; - __le64 rmac_xgmii_ctrl_err_cnt; - __le32 rmac_err_tcp; - __le32 rmac_accepted_ip; - -/* PCI/PCI-X Read transaction statistics. */ - __le32 new_rd_req_cnt; - __le32 rd_req_cnt; - __le32 rd_rtry_cnt; - __le32 new_rd_req_rtry_cnt; - -/* PCI/PCI-X Write/Read transaction statistics. */ - __le32 wr_req_cnt; - __le32 wr_rtry_rd_ack_cnt; - __le32 new_wr_req_rtry_cnt; - __le32 new_wr_req_cnt; - __le32 wr_disc_cnt; - __le32 wr_rtry_cnt; - -/* PCI/PCI-X Write / DMA Transaction statistics. */ - __le32 txp_wr_cnt; - __le32 rd_rtry_wr_ack_cnt; - __le32 txd_wr_cnt; - __le32 txd_rd_cnt; - __le32 rxd_wr_cnt; - __le32 rxd_rd_cnt; - __le32 rxf_wr_cnt; - __le32 txf_rd_cnt; - -/* Tx MAC statistics overflow counters. */ - __le32 tmac_data_octets_oflow; - __le32 tmac_frms_oflow; - __le32 tmac_bcst_frms_oflow; - __le32 tmac_mcst_frms_oflow; - __le32 tmac_ucst_frms_oflow; - __le32 tmac_ttl_octets_oflow; - __le32 tmac_any_err_frms_oflow; - __le32 tmac_nucst_frms_oflow; - __le64 tmac_vlan_frms; - __le32 tmac_drop_ip_oflow; - __le32 tmac_vld_ip_oflow; - __le32 tmac_rst_tcp_oflow; - __le32 tmac_icmp_oflow; - __le32 tpa_unknown_protocol; - __le32 tmac_udp_oflow; - __le32 reserved_10; - __le32 tpa_parse_failure; - -/* Rx MAC Statistics overflow counters. */ - __le32 rmac_data_octets_oflow; - __le32 rmac_vld_frms_oflow; - __le32 rmac_vld_bcst_frms_oflow; - __le32 rmac_vld_mcst_frms_oflow; - __le32 rmac_accepted_ucst_frms_oflow; - __le32 rmac_ttl_octets_oflow; - __le32 rmac_discarded_frms_oflow; - __le32 rmac_accepted_nucst_frms_oflow; - __le32 rmac_usized_frms_oflow; - __le32 rmac_drop_events_oflow; - __le32 rmac_frag_frms_oflow; - __le32 rmac_osized_frms_oflow; - __le32 rmac_ip_oflow; - __le32 rmac_jabber_frms_oflow; - __le32 rmac_icmp_oflow; - __le32 rmac_drop_ip_oflow; - __le32 rmac_err_drp_udp_oflow; - __le32 rmac_udp_oflow; - __le32 reserved_11; - __le32 rmac_pause_cnt_oflow; - __le64 rmac_ttl_1519_4095_frms; - __le64 rmac_ttl_4096_8191_frms; - __le64 rmac_ttl_8192_max_frms; - __le64 rmac_ttl_gt_max_frms; - __le64 rmac_osized_alt_frms; - __le64 rmac_jabber_alt_frms; - __le64 rmac_gt_max_alt_frms; - __le64 rmac_vlan_frms; - __le32 rmac_len_discard; - __le32 rmac_fcs_discard; - __le32 rmac_pf_discard; - __le32 rmac_da_discard; - __le32 rmac_red_discard; - __le32 rmac_rts_discard; - __le32 reserved_12; - __le32 rmac_ingm_full_discard; - __le32 reserved_13; - __le32 rmac_accepted_ip_oflow; - __le32 reserved_14; - __le32 link_fault_cnt; - u8 buffer[20]; - struct swStat sw_stat; - struct xpakStat xpak_stat; -}; - -/* Default value for 'vlan_strip_tag' configuration parameter */ -#define NO_STRIP_IN_PROMISC 2 - -/* - * Structures representing different init time configuration - * parameters of the NIC. - */ - -#define MAX_TX_FIFOS 8 -#define MAX_RX_RINGS 8 - -#define FIFO_DEFAULT_NUM 5 -#define FIFO_UDP_MAX_NUM 2 /* 0 - even, 1 -odd ports */ -#define FIFO_OTHER_MAX_NUM 1 - - -#define MAX_RX_DESC_1 (MAX_RX_RINGS * MAX_RX_BLOCKS_PER_RING * 128) -#define MAX_RX_DESC_2 (MAX_RX_RINGS * MAX_RX_BLOCKS_PER_RING * 86) -#define MAX_TX_DESC (MAX_AVAILABLE_TXDS) - -/* FIFO mappings for all possible number of fifos configured */ -static const int fifo_map[][MAX_TX_FIFOS] = { - {0, 0, 0, 0, 0, 0, 0, 0}, - {0, 0, 0, 0, 1, 1, 1, 1}, - {0, 0, 0, 1, 1, 1, 2, 2}, - {0, 0, 1, 1, 2, 2, 3, 3}, - {0, 0, 1, 1, 2, 2, 3, 4}, - {0, 0, 1, 1, 2, 3, 4, 5}, - {0, 0, 1, 2, 3, 4, 5, 6}, - {0, 1, 2, 3, 4, 5, 6, 7}, -}; - -static const u16 fifo_selector[MAX_TX_FIFOS] = {0, 1, 3, 3, 7, 7, 7, 7}; - -/* Maintains Per FIFO related information. */ -struct tx_fifo_config { -#define MAX_AVAILABLE_TXDS 8192 - u32 fifo_len; /* specifies len of FIFO up to 8192, ie no of TxDLs */ -/* Priority definition */ -#define TX_FIFO_PRI_0 0 /*Highest */ -#define TX_FIFO_PRI_1 1 -#define TX_FIFO_PRI_2 2 -#define TX_FIFO_PRI_3 3 -#define TX_FIFO_PRI_4 4 -#define TX_FIFO_PRI_5 5 -#define TX_FIFO_PRI_6 6 -#define TX_FIFO_PRI_7 7 /*lowest */ - u8 fifo_priority; /* specifies pointer level for FIFO */ - /* user should not set twos fifos with same pri */ - u8 f_no_snoop; -#define NO_SNOOP_TXD 0x01 -#define NO_SNOOP_TXD_BUFFER 0x02 -}; - - -/* Maintains per Ring related information */ -struct rx_ring_config { - u32 num_rxd; /*No of RxDs per Rx Ring */ -#define RX_RING_PRI_0 0 /* highest */ -#define RX_RING_PRI_1 1 -#define RX_RING_PRI_2 2 -#define RX_RING_PRI_3 3 -#define RX_RING_PRI_4 4 -#define RX_RING_PRI_5 5 -#define RX_RING_PRI_6 6 -#define RX_RING_PRI_7 7 /* lowest */ - - u8 ring_priority; /*Specifies service priority of ring */ - /* OSM should not set any two rings with same priority */ - u8 ring_org; /*Organization of ring */ -#define RING_ORG_BUFF1 0x01 -#define RX_RING_ORG_BUFF3 0x03 -#define RX_RING_ORG_BUFF5 0x05 - - u8 f_no_snoop; -#define NO_SNOOP_RXD 0x01 -#define NO_SNOOP_RXD_BUFFER 0x02 -}; - -/* This structure provides contains values of the tunable parameters - * of the H/W - */ -struct config_param { -/* Tx Side */ - u32 tx_fifo_num; /*Number of Tx FIFOs */ - - /* 0-No steering, 1-Priority steering, 2-Default fifo map */ -#define NO_STEERING 0 -#define TX_PRIORITY_STEERING 0x1 -#define TX_DEFAULT_STEERING 0x2 - u8 tx_steering_type; - - u8 fifo_mapping[MAX_TX_FIFOS]; - struct tx_fifo_config tx_cfg[MAX_TX_FIFOS]; /*Per-Tx FIFO config */ - u32 max_txds; /*Max no. of Tx buffer descriptor per TxDL */ - u64 tx_intr_type; -#define INTA 0 -#define MSI_X 2 - u8 intr_type; - u8 napi; - - /* Specifies if Tx Intr is UTILZ or PER_LIST type. */ - -/* Rx Side */ - u32 rx_ring_num; /*Number of receive rings */ -#define MAX_RX_BLOCKS_PER_RING 150 - - struct rx_ring_config rx_cfg[MAX_RX_RINGS]; /*Per-Rx Ring config */ - -#define HEADER_ETHERNET_II_802_3_SIZE 14 -#define HEADER_802_2_SIZE 3 -#define HEADER_SNAP_SIZE 5 -#define HEADER_VLAN_SIZE 4 - -#define MIN_MTU 46 -#define MAX_PYLD 1500 -#define MAX_MTU (MAX_PYLD+18) -#define MAX_MTU_VLAN (MAX_PYLD+22) -#define MAX_PYLD_JUMBO 9600 -#define MAX_MTU_JUMBO (MAX_PYLD_JUMBO+18) -#define MAX_MTU_JUMBO_VLAN (MAX_PYLD_JUMBO+22) - u16 bus_speed; - int max_mc_addr; /* xena=64 herc=256 */ - int max_mac_addr; /* xena=16 herc=64 */ - int mc_start_offset; /* xena=16 herc=64 */ - u8 multiq; -}; - -/* Structure representing MAC Addrs */ -struct mac_addr { - u8 mac_addr[ETH_ALEN]; -}; - -/* Structure that represent every FIFO element in the BAR1 - * Address location. - */ -struct TxFIFO_element { - u64 TxDL_Pointer; - - u64 List_Control; -#define TX_FIFO_LAST_TXD_NUM( val) vBIT(val,0,8) -#define TX_FIFO_FIRST_LIST s2BIT(14) -#define TX_FIFO_LAST_LIST s2BIT(15) -#define TX_FIFO_FIRSTNLAST_LIST vBIT(3,14,2) -#define TX_FIFO_SPECIAL_FUNC s2BIT(23) -#define TX_FIFO_DS_NO_SNOOP s2BIT(31) -#define TX_FIFO_BUFF_NO_SNOOP s2BIT(30) -}; - -/* Tx descriptor structure */ -struct TxD { - u64 Control_1; -/* bit mask */ -#define TXD_LIST_OWN_XENA s2BIT(7) -#define TXD_T_CODE (s2BIT(12)|s2BIT(13)|s2BIT(14)|s2BIT(15)) -#define TXD_T_CODE_OK(val) (|(val & TXD_T_CODE)) -#define GET_TXD_T_CODE(val) ((val & TXD_T_CODE)<<12) -#define TXD_GATHER_CODE (s2BIT(22) | s2BIT(23)) -#define TXD_GATHER_CODE_FIRST s2BIT(22) -#define TXD_GATHER_CODE_LAST s2BIT(23) -#define TXD_TCP_LSO_EN s2BIT(30) -#define TXD_UDP_COF_EN s2BIT(31) -#define TXD_UFO_EN s2BIT(31) | s2BIT(30) -#define TXD_TCP_LSO_MSS(val) vBIT(val,34,14) -#define TXD_UFO_MSS(val) vBIT(val,34,14) -#define TXD_BUFFER0_SIZE(val) vBIT(val,48,16) - - u64 Control_2; -#define TXD_TX_CKO_CONTROL (s2BIT(5)|s2BIT(6)|s2BIT(7)) -#define TXD_TX_CKO_IPV4_EN s2BIT(5) -#define TXD_TX_CKO_TCP_EN s2BIT(6) -#define TXD_TX_CKO_UDP_EN s2BIT(7) -#define TXD_VLAN_ENABLE s2BIT(15) -#define TXD_VLAN_TAG(val) vBIT(val,16,16) -#define TXD_INT_NUMBER(val) vBIT(val,34,6) -#define TXD_INT_TYPE_PER_LIST s2BIT(47) -#define TXD_INT_TYPE_UTILZ s2BIT(46) -#define TXD_SET_MARKER vBIT(0x6,0,4) - - u64 Buffer_Pointer; - u64 Host_Control; /* reserved for host */ -}; - -/* Structure to hold the phy and virt addr of every TxDL. */ -struct list_info_hold { - dma_addr_t list_phy_addr; - void *list_virt_addr; -}; - -/* Rx descriptor structure for 1 buffer mode */ -struct RxD_t { - u64 Host_Control; /* reserved for host */ - u64 Control_1; -#define RXD_OWN_XENA s2BIT(7) -#define RXD_T_CODE (s2BIT(12)|s2BIT(13)|s2BIT(14)|s2BIT(15)) -#define RXD_FRAME_PROTO vBIT(0xFFFF,24,8) -#define RXD_FRAME_VLAN_TAG s2BIT(24) -#define RXD_FRAME_PROTO_IPV4 s2BIT(27) -#define RXD_FRAME_PROTO_IPV6 s2BIT(28) -#define RXD_FRAME_IP_FRAG s2BIT(29) -#define RXD_FRAME_PROTO_TCP s2BIT(30) -#define RXD_FRAME_PROTO_UDP s2BIT(31) -#define TCP_OR_UDP_FRAME (RXD_FRAME_PROTO_TCP | RXD_FRAME_PROTO_UDP) -#define RXD_GET_L3_CKSUM(val) ((u16)(val>> 16) & 0xFFFF) -#define RXD_GET_L4_CKSUM(val) ((u16)(val) & 0xFFFF) - - u64 Control_2; -#define THE_RXD_MARK 0x3 -#define SET_RXD_MARKER vBIT(THE_RXD_MARK, 0, 2) -#define GET_RXD_MARKER(ctrl) ((ctrl & SET_RXD_MARKER) >> 62) - -#define MASK_VLAN_TAG vBIT(0xFFFF,48,16) -#define SET_VLAN_TAG(val) vBIT(val,48,16) -#define SET_NUM_TAG(val) vBIT(val,16,32) - - -}; -/* Rx descriptor structure for 1 buffer mode */ -struct RxD1 { - struct RxD_t h; - -#define MASK_BUFFER0_SIZE_1 vBIT(0x3FFF,2,14) -#define SET_BUFFER0_SIZE_1(val) vBIT(val,2,14) -#define RXD_GET_BUFFER0_SIZE_1(_Control_2) \ - (u16)((_Control_2 & MASK_BUFFER0_SIZE_1) >> 48) - u64 Buffer0_ptr; -}; -/* Rx descriptor structure for 3 or 2 buffer mode */ - -struct RxD3 { - struct RxD_t h; - -#define MASK_BUFFER0_SIZE_3 vBIT(0xFF,2,14) -#define MASK_BUFFER1_SIZE_3 vBIT(0xFFFF,16,16) -#define MASK_BUFFER2_SIZE_3 vBIT(0xFFFF,32,16) -#define SET_BUFFER0_SIZE_3(val) vBIT(val,8,8) -#define SET_BUFFER1_SIZE_3(val) vBIT(val,16,16) -#define SET_BUFFER2_SIZE_3(val) vBIT(val,32,16) -#define RXD_GET_BUFFER0_SIZE_3(Control_2) \ - (u8)((Control_2 & MASK_BUFFER0_SIZE_3) >> 48) -#define RXD_GET_BUFFER1_SIZE_3(Control_2) \ - (u16)((Control_2 & MASK_BUFFER1_SIZE_3) >> 32) -#define RXD_GET_BUFFER2_SIZE_3(Control_2) \ - (u16)((Control_2 & MASK_BUFFER2_SIZE_3) >> 16) -#define BUF0_LEN 40 -#define BUF1_LEN 1 - - u64 Buffer0_ptr; - u64 Buffer1_ptr; - u64 Buffer2_ptr; -}; - - -/* Structure that represents the Rx descriptor block which contains - * 128 Rx descriptors. - */ -struct RxD_block { -#define MAX_RXDS_PER_BLOCK_1 127 - struct RxD1 rxd[MAX_RXDS_PER_BLOCK_1]; - - u64 reserved_0; -#define END_OF_BLOCK 0xFEFFFFFFFFFFFFFFULL - u64 reserved_1; /* 0xFEFFFFFFFFFFFFFF to mark last - * Rxd in this blk */ - u64 reserved_2_pNext_RxD_block; /* Logical ptr to next */ - u64 pNext_RxD_Blk_physical; /* Buff0_ptr.In a 32 bit arch - * the upper 32 bits should - * be 0 */ -}; - -#define SIZE_OF_BLOCK 4096 - -#define RXD_MODE_1 0 /* One Buffer mode */ -#define RXD_MODE_3B 1 /* Two Buffer mode */ - -/* Structure to hold virtual addresses of Buf0 and Buf1 in - * 2buf mode. */ -struct buffAdd { - void *ba_0_org; - void *ba_1_org; - void *ba_0; - void *ba_1; -}; - -/* Structure which stores all the MAC control parameters */ - -/* This structure stores the offset of the RxD in the ring - * from which the Rx Interrupt processor can start picking - * up the RxDs for processing. - */ -struct rx_curr_get_info { - u32 block_index; - u32 offset; - u32 ring_len; -}; - -struct rx_curr_put_info { - u32 block_index; - u32 offset; - u32 ring_len; -}; - -/* This structure stores the offset of the TxDl in the FIFO - * from which the Tx Interrupt processor can start picking - * up the TxDLs for send complete interrupt processing. - */ -struct tx_curr_get_info { - u32 offset; - u32 fifo_len; -}; - -struct tx_curr_put_info { - u32 offset; - u32 fifo_len; -}; - -struct rxd_info { - void *virt_addr; - dma_addr_t dma_addr; -}; - -/* Structure that holds the Phy and virt addresses of the Blocks */ -struct rx_block_info { - void *block_virt_addr; - dma_addr_t block_dma_addr; - struct rxd_info *rxds; -}; - -/* Data structure to represent a LRO session */ -struct lro { - struct sk_buff *parent; - struct sk_buff *last_frag; - u8 *l2h; - struct iphdr *iph; - struct tcphdr *tcph; - u32 tcp_next_seq; - __be32 tcp_ack; - int total_len; - int frags_len; - int sg_num; - int in_use; - __be16 window; - u16 vlan_tag; - u32 cur_tsval; - __be32 cur_tsecr; - u8 saw_ts; -} ____cacheline_aligned; - -/* Ring specific structure */ -struct ring_info { - /* The ring number */ - int ring_no; - - /* per-ring buffer counter */ - u32 rx_bufs_left; - -#define MAX_LRO_SESSIONS 32 - struct lro lro0_n[MAX_LRO_SESSIONS]; - u8 lro; - - /* copy of sp->rxd_mode flag */ - int rxd_mode; - - /* Number of rxds per block for the rxd_mode */ - int rxd_count; - - /* copy of sp pointer */ - struct s2io_nic *nic; - - /* copy of sp->dev pointer */ - struct net_device *dev; - - /* copy of sp->pdev pointer */ - struct pci_dev *pdev; - - /* Per ring napi struct */ - struct napi_struct napi; - - unsigned long interrupt_count; - - /* - * Place holders for the virtual and physical addresses of - * all the Rx Blocks - */ - struct rx_block_info rx_blocks[MAX_RX_BLOCKS_PER_RING]; - int block_count; - int pkt_cnt; - - /* - * Put pointer info which indictes which RxD has to be replenished - * with a new buffer. - */ - struct rx_curr_put_info rx_curr_put_info; - - /* - * Get pointer info which indictes which is the last RxD that was - * processed by the driver. - */ - struct rx_curr_get_info rx_curr_get_info; - - /* interface MTU value */ - unsigned mtu; - - /* Buffer Address store. */ - struct buffAdd **ba; -} ____cacheline_aligned; - -/* Fifo specific structure */ -struct fifo_info { - /* FIFO number */ - int fifo_no; - - /* Maximum TxDs per TxDL */ - int max_txds; - - /* Place holder of all the TX List's Phy and Virt addresses. */ - struct list_info_hold *list_info; - - /* - * Current offset within the tx FIFO where driver would write - * new Tx frame - */ - struct tx_curr_put_info tx_curr_put_info; - - /* - * Current offset within tx FIFO from where the driver would start freeing - * the buffers - */ - struct tx_curr_get_info tx_curr_get_info; -#define FIFO_QUEUE_START 0 -#define FIFO_QUEUE_STOP 1 - int queue_state; - - /* copy of sp->dev pointer */ - struct net_device *dev; - - /* copy of multiq status */ - u8 multiq; - - /* Per fifo lock */ - spinlock_t tx_lock; - - /* Per fifo UFO in band structure */ - u64 *ufo_in_band_v; - - struct s2io_nic *nic; -} ____cacheline_aligned; - -/* Information related to the Tx and Rx FIFOs and Rings of Xena - * is maintained in this structure. - */ -struct mac_info { -/* tx side stuff */ - /* logical pointer of start of each Tx FIFO */ - struct TxFIFO_element __iomem *tx_FIFO_start[MAX_TX_FIFOS]; - - /* Fifo specific structure */ - struct fifo_info fifos[MAX_TX_FIFOS]; - - /* Save virtual address of TxD page with zero DMA addr(if any) */ - void *zerodma_virt_addr; - -/* rx side stuff */ - /* Ring specific structure */ - struct ring_info rings[MAX_RX_RINGS]; - - u16 rmac_pause_time; - u16 mc_pause_threshold_q0q3; - u16 mc_pause_threshold_q4q7; - - void *stats_mem; /* orignal pointer to allocated mem */ - dma_addr_t stats_mem_phy; /* Physical address of the stat block */ - u32 stats_mem_sz; - struct stat_block *stats_info; /* Logical address of the stat block */ -}; - -/* Default Tunable parameters of the NIC. */ -#define DEFAULT_FIFO_0_LEN 4096 -#define DEFAULT_FIFO_1_7_LEN 512 -#define SMALL_BLK_CNT 30 -#define LARGE_BLK_CNT 100 - -/* - * Structure to keep track of the MSI-X vectors and the corresponding - * argument registered against each vector - */ -#define MAX_REQUESTED_MSI_X 9 -struct s2io_msix_entry -{ - u16 vector; - u16 entry; - void *arg; - - u8 type; -#define MSIX_ALARM_TYPE 1 -#define MSIX_RING_TYPE 2 - - u8 in_use; -#define MSIX_REGISTERED_SUCCESS 0xAA -}; - -struct msix_info_st { - u64 addr; - u64 data; -}; - -/* These flags represent the devices temporary state */ -enum s2io_device_state_t -{ - __S2IO_STATE_LINK_TASK=0, - __S2IO_STATE_CARD_UP -}; - -/* Structure representing one instance of the NIC */ -struct s2io_nic { - int rxd_mode; - /* - * Count of packets to be processed in a given iteration, it will be indicated - * by the quota field of the device structure when NAPI is enabled. - */ - int pkts_to_process; - struct net_device *dev; - struct mac_info mac_control; - struct config_param config; - struct pci_dev *pdev; - void __iomem *bar0; - void __iomem *bar1; -#define MAX_MAC_SUPPORTED 16 -#define MAX_SUPPORTED_MULTICASTS MAX_MAC_SUPPORTED - - struct mac_addr def_mac_addr[256]; - - struct net_device_stats stats; - int high_dma_flag; - int device_enabled_once; - - char name[60]; - - /* Timer that handles I/O errors/exceptions */ - struct timer_list alarm_timer; - - /* Space to back up the PCI config space */ - u32 config_space[256 / sizeof(u32)]; - -#define PROMISC 1 -#define ALL_MULTI 2 - -#define MAX_ADDRS_SUPPORTED 64 - u16 mc_addr_count; - - u16 m_cast_flg; - u16 all_multi_pos; - u16 promisc_flg; - - /* Restart timer, used to restart NIC if the device is stuck and - * a schedule task that will set the correct Link state once the - * NIC's PHY has stabilized after a state change. - */ - struct work_struct rst_timer_task; - struct work_struct set_link_task; - - /* Flag that can be used to turn on or turn off the Rx checksum - * offload feature. - */ - int rx_csum; - - /* Below variables are used for fifo selection to transmit a packet */ - u16 fifo_selector[MAX_TX_FIFOS]; - - /* Total fifos for tcp packets */ - u8 total_tcp_fifos; - - /* - * Beginning index of udp for udp packets - * Value will be equal to - * (tx_fifo_num - FIFO_UDP_MAX_NUM - FIFO_OTHER_MAX_NUM) - */ - u8 udp_fifo_idx; - - u8 total_udp_fifos; - - /* - * Beginning index of fifo for all other packets - * Value will be equal to (tx_fifo_num - FIFO_OTHER_MAX_NUM) - */ - u8 other_fifo_idx; - - struct napi_struct napi; - /* after blink, the adapter must be restored with original - * values. - */ - u64 adapt_ctrl_org; - - /* Last known link state. */ - u16 last_link_state; -#define LINK_DOWN 1 -#define LINK_UP 2 - - int task_flag; - unsigned long long start_time; - int vlan_strip_flag; -#define MSIX_FLG 0xA5 - int num_entries; - struct msix_entry *entries; - int msi_detected; - wait_queue_head_t msi_wait; - struct s2io_msix_entry *s2io_entries; - char desc[MAX_REQUESTED_MSI_X][25]; - - int avail_msix_vectors; /* No. of MSI-X vectors granted by system */ - - struct msix_info_st msix_info[0x3f]; - -#define XFRAME_I_DEVICE 1 -#define XFRAME_II_DEVICE 2 - u8 device_type; - - unsigned long clubbed_frms_cnt; - unsigned long sending_both; - u16 lro_max_aggr_per_sess; - volatile unsigned long state; - u64 general_int_mask; - -#define VPD_STRING_LEN 80 - u8 product_name[VPD_STRING_LEN]; - u8 serial_num[VPD_STRING_LEN]; -}; - -#define RESET_ERROR 1 -#define CMD_ERROR 2 - -/* OS related system calls */ -#ifndef readq -static inline u64 readq(void __iomem *addr) -{ - u64 ret = 0; - ret = readl(addr + 4); - ret <<= 32; - ret |= readl(addr); - - return ret; -} -#endif - -#ifndef writeq -static inline void writeq(u64 val, void __iomem *addr) -{ - writel((u32) (val), addr); - writel((u32) (val >> 32), (addr + 4)); -} -#endif - -/* - * Some registers have to be written in a particular order to - * expect correct hardware operation. The macro SPECIAL_REG_WRITE - * is used to perform such ordered writes. Defines UF (Upper First) - * and LF (Lower First) will be used to specify the required write order. - */ -#define UF 1 -#define LF 2 -static inline void SPECIAL_REG_WRITE(u64 val, void __iomem *addr, int order) -{ - if (order == LF) { - writel((u32) (val), addr); - (void) readl(addr); - writel((u32) (val >> 32), (addr + 4)); - (void) readl(addr + 4); - } else { - writel((u32) (val >> 32), (addr + 4)); - (void) readl(addr + 4); - writel((u32) (val), addr); - (void) readl(addr); - } -} - -/* Interrupt related values of Xena */ - -#define ENABLE_INTRS 1 -#define DISABLE_INTRS 2 - -/* Highest level interrupt blocks */ -#define TX_PIC_INTR (0x0001<<0) -#define TX_DMA_INTR (0x0001<<1) -#define TX_MAC_INTR (0x0001<<2) -#define TX_XGXS_INTR (0x0001<<3) -#define TX_TRAFFIC_INTR (0x0001<<4) -#define RX_PIC_INTR (0x0001<<5) -#define RX_DMA_INTR (0x0001<<6) -#define RX_MAC_INTR (0x0001<<7) -#define RX_XGXS_INTR (0x0001<<8) -#define RX_TRAFFIC_INTR (0x0001<<9) -#define MC_INTR (0x0001<<10) -#define ENA_ALL_INTRS ( TX_PIC_INTR | \ - TX_DMA_INTR | \ - TX_MAC_INTR | \ - TX_XGXS_INTR | \ - TX_TRAFFIC_INTR | \ - RX_PIC_INTR | \ - RX_DMA_INTR | \ - RX_MAC_INTR | \ - RX_XGXS_INTR | \ - RX_TRAFFIC_INTR | \ - MC_INTR ) - -/* Interrupt masks for the general interrupt mask register */ -#define DISABLE_ALL_INTRS 0xFFFFFFFFFFFFFFFFULL - -#define TXPIC_INT_M s2BIT(0) -#define TXDMA_INT_M s2BIT(1) -#define TXMAC_INT_M s2BIT(2) -#define TXXGXS_INT_M s2BIT(3) -#define TXTRAFFIC_INT_M s2BIT(8) -#define PIC_RX_INT_M s2BIT(32) -#define RXDMA_INT_M s2BIT(33) -#define RXMAC_INT_M s2BIT(34) -#define MC_INT_M s2BIT(35) -#define RXXGXS_INT_M s2BIT(36) -#define RXTRAFFIC_INT_M s2BIT(40) - -/* PIC level Interrupts TODO*/ - -/* DMA level Inressupts */ -#define TXDMA_PFC_INT_M s2BIT(0) -#define TXDMA_PCC_INT_M s2BIT(2) - -/* PFC block interrupts */ -#define PFC_MISC_ERR_1 s2BIT(0) /* Interrupt to indicate FIFO full */ - -/* PCC block interrupts. */ -#define PCC_FB_ECC_ERR vBIT(0xff, 16, 8) /* Interrupt to indicate - PCC_FB_ECC Error. */ - -#define RXD_GET_VLAN_TAG(Control_2) (u16)(Control_2 & MASK_VLAN_TAG) -/* - * Prototype declaration. - */ -static int __devinit s2io_init_nic(struct pci_dev *pdev, - const struct pci_device_id *pre); -static void __devexit s2io_rem_nic(struct pci_dev *pdev); -static int init_shared_mem(struct s2io_nic *sp); -static void free_shared_mem(struct s2io_nic *sp); -static int init_nic(struct s2io_nic *nic); -static int rx_intr_handler(struct ring_info *ring_data, int budget); -static void s2io_txpic_intr_handle(struct s2io_nic *sp); -static void tx_intr_handler(struct fifo_info *fifo_data); -static void s2io_handle_errors(void * dev_id); - -static int s2io_starter(void); -static void s2io_closer(void); -static void s2io_tx_watchdog(struct net_device *dev); -static void s2io_set_multicast(struct net_device *dev); -static int rx_osm_handler(struct ring_info *ring_data, struct RxD_t * rxdp); -static void s2io_link(struct s2io_nic * sp, int link); -static void s2io_reset(struct s2io_nic * sp); -static int s2io_poll_msix(struct napi_struct *napi, int budget); -static int s2io_poll_inta(struct napi_struct *napi, int budget); -static void s2io_init_pci(struct s2io_nic * sp); -static int do_s2io_prog_unicast(struct net_device *dev, u8 *addr); -static void s2io_alarm_handle(unsigned long data); -static irqreturn_t -s2io_msix_ring_handle(int irq, void *dev_id); -static irqreturn_t -s2io_msix_fifo_handle(int irq, void *dev_id); -static irqreturn_t s2io_isr(int irq, void *dev_id); -static int verify_xena_quiescence(struct s2io_nic *sp); -static const struct ethtool_ops netdev_ethtool_ops; -static void s2io_set_link(struct work_struct *work); -static int s2io_set_swapper(struct s2io_nic * sp); -static void s2io_card_down(struct s2io_nic *nic); -static int s2io_card_up(struct s2io_nic *nic); -static int wait_for_cmd_complete(void __iomem *addr, u64 busy_bit, - int bit_state); -static int s2io_add_isr(struct s2io_nic * sp); -static void s2io_rem_isr(struct s2io_nic * sp); - -static void restore_xmsi_data(struct s2io_nic *nic); -static void do_s2io_store_unicast_mc(struct s2io_nic *sp); -static void do_s2io_restore_unicast_mc(struct s2io_nic *sp); -static u64 do_s2io_read_unicast_mc(struct s2io_nic *sp, int offset); -static int do_s2io_add_mc(struct s2io_nic *sp, u8 *addr); -static int do_s2io_add_mac(struct s2io_nic *sp, u64 addr, int offset); -static int do_s2io_delete_unicast_mc(struct s2io_nic *sp, u64 addr); - -static int s2io_club_tcp_session(struct ring_info *ring_data, u8 *buffer, - u8 **tcp, u32 *tcp_len, struct lro **lro, struct RxD_t *rxdp, - struct s2io_nic *sp); -static void clear_lro_session(struct lro *lro); -static void queue_rx_frame(struct sk_buff *skb, u16 vlan_tag); -static void update_L3L4_header(struct s2io_nic *sp, struct lro *lro); -static void lro_append_pkt(struct s2io_nic *sp, struct lro *lro, - struct sk_buff *skb, u32 tcp_len); -static int rts_ds_steer(struct s2io_nic *nic, u8 ds_codepoint, u8 ring); - -static pci_ers_result_t s2io_io_error_detected(struct pci_dev *pdev, - pci_channel_state_t state); -static pci_ers_result_t s2io_io_slot_reset(struct pci_dev *pdev); -static void s2io_io_resume(struct pci_dev *pdev); - -#define s2io_tcp_mss(skb) skb_shinfo(skb)->gso_size -#define s2io_udp_mss(skb) skb_shinfo(skb)->gso_size -#define s2io_offload_type(skb) skb_shinfo(skb)->gso_type - -#define S2IO_PARM_INT(X, def_val) \ - static unsigned int X = def_val;\ - module_param(X , uint, 0); - -#endif /* _S2IO_H */ |