diff options
Diffstat (limited to 'drivers/net/s2io.h')
| -rw-r--r-- | drivers/net/s2io.h | 364 |
1 files changed, 249 insertions, 115 deletions
diff --git a/drivers/net/s2io.h b/drivers/net/s2io.h index 1711c8c3dc9..5d9270730ca 100644 --- a/drivers/net/s2io.h +++ b/drivers/net/s2io.h @@ -31,6 +31,9 @@ #define SUCCESS 0 #define FAILURE -1 +/* 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. */ typedef enum xena_max_outstanding_splits { XENA_ONE_SPLIT_TRANSACTION = 0, @@ -45,10 +48,10 @@ typedef enum xena_max_outstanding_splits { #define XENA_MAX_OUTSTANDING_SPLITS(n) (n << 4) /* OS concerned variables and constants */ -#define WATCH_DOG_TIMEOUT 5*HZ -#define EFILL 0x1234 -#define ALIGN_SIZE 127 -#define PCIX_COMMAND_REGISTER 0x62 +#define WATCH_DOG_TIMEOUT 15*HZ +#define EFILL 0x1234 +#define ALIGN_SIZE 127 +#define PCIX_COMMAND_REGISTER 0x62 /* * Debug related variables. @@ -61,7 +64,7 @@ typedef enum xena_max_outstanding_splits { #define INTR_DBG 4 /* Global variable that defines the present debug level of the driver. */ -static int debug_level = ERR_DBG; /* Default level. */ +int debug_level = ERR_DBG; /* Default level. */ /* DEBUG message print. */ #define DBG_PRINT(dbg_level, args...) if(!(debug_level<dbg_level)) printk(args) @@ -71,6 +74,12 @@ static int debug_level = ERR_DBG; /* Default level. */ #define L4_CKSUM_OK 0xFFFF #define S2IO_JUMBO_SIZE 9600 +/* Driver statistics maintained by driver */ +typedef struct { + unsigned long long single_ecc_errs; + unsigned long long double_ecc_errs; +} swStat_t; + /* The statistics block of Xena */ typedef struct stat_block { /* Tx MAC statistics counters. */ @@ -186,12 +195,90 @@ typedef struct stat_block { u32 rxd_rd_cnt; u32 rxf_wr_cnt; u32 txf_rd_cnt; + +/* Tx MAC statistics overflow counters. */ + u32 tmac_data_octets_oflow; + u32 tmac_frms_oflow; + u32 tmac_bcst_frms_oflow; + u32 tmac_mcst_frms_oflow; + u32 tmac_ucst_frms_oflow; + u32 tmac_ttl_octets_oflow; + u32 tmac_any_err_frms_oflow; + u32 tmac_nucst_frms_oflow; + u64 tmac_vlan_frms; + u32 tmac_drop_ip_oflow; + u32 tmac_vld_ip_oflow; + u32 tmac_rst_tcp_oflow; + u32 tmac_icmp_oflow; + u32 tpa_unknown_protocol; + u32 tmac_udp_oflow; + u32 reserved_10; + u32 tpa_parse_failure; + +/* Rx MAC Statistics overflow counters. */ + u32 rmac_data_octets_oflow; + u32 rmac_vld_frms_oflow; + u32 rmac_vld_bcst_frms_oflow; + u32 rmac_vld_mcst_frms_oflow; + u32 rmac_accepted_ucst_frms_oflow; + u32 rmac_ttl_octets_oflow; + u32 rmac_discarded_frms_oflow; + u32 rmac_accepted_nucst_frms_oflow; + u32 rmac_usized_frms_oflow; + u32 rmac_drop_events_oflow; + u32 rmac_frag_frms_oflow; + u32 rmac_osized_frms_oflow; + u32 rmac_ip_oflow; + u32 rmac_jabber_frms_oflow; + u32 rmac_icmp_oflow; + u32 rmac_drop_ip_oflow; + u32 rmac_err_drp_udp_oflow; + u32 rmac_udp_oflow; + u32 reserved_11; + u32 rmac_pause_cnt_oflow; + u64 rmac_ttl_1519_4095_frms; + u64 rmac_ttl_4096_8191_frms; + u64 rmac_ttl_8192_max_frms; + u64 rmac_ttl_gt_max_frms; + u64 rmac_osized_alt_frms; + u64 rmac_jabber_alt_frms; + u64 rmac_gt_max_alt_frms; + u64 rmac_vlan_frms; + u32 rmac_len_discard; + u32 rmac_fcs_discard; + u32 rmac_pf_discard; + u32 rmac_da_discard; + u32 rmac_red_discard; + u32 rmac_rts_discard; + u32 reserved_12; + u32 rmac_ingm_full_discard; + u32 reserved_13; + u32 rmac_accepted_ip_oflow; + u32 reserved_14; + u32 link_fault_cnt; + swStat_t sw_stat; } StatInfo_t; -/* Structures representing different init time configuration +/* + * Structures representing different init time configuration * parameters of the NIC. */ +#define MAX_TX_FIFOS 8 +#define MAX_RX_RINGS 8 + +/* FIFO mappings for all possible number of fifos configured */ +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}, +}; + /* Maintains Per FIFO related information. */ typedef struct tx_fifo_config { #define MAX_AVAILABLE_TXDS 8192 @@ -237,14 +324,14 @@ typedef struct rx_ring_config { #define NO_SNOOP_RXD_BUFFER 0x02 } rx_ring_config_t; -/* This structure provides contains values of the tunable parameters - * of the H/W +/* 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 */ -#define MAX_TX_FIFOS 8 + u8 fifo_mapping[MAX_TX_FIFOS]; tx_fifo_config_t tx_cfg[MAX_TX_FIFOS]; /*Per-Tx FIFO config */ u32 max_txds; /*Max no. of Tx buffer descriptor per TxDL */ u64 tx_intr_type; @@ -252,10 +339,10 @@ struct config_param { /* Rx Side */ u32 rx_ring_num; /*Number of receive rings */ -#define MAX_RX_RINGS 8 #define MAX_RX_BLOCKS_PER_RING 150 rx_ring_config_t rx_cfg[MAX_RX_RINGS]; /*Per-Rx Ring config */ + u8 bimodal; /*Flag for setting bimodal interrupts*/ #define HEADER_ETHERNET_II_802_3_SIZE 14 #define HEADER_802_2_SIZE 3 @@ -269,6 +356,7 @@ struct config_param { #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; }; /* Structure representing MAC Addrs */ @@ -277,7 +365,7 @@ typedef struct mac_addr { } macaddr_t; /* Structure that represent every FIFO element in the BAR1 - * Address location. + * Address location. */ typedef struct _TxFIFO_element { u64 TxDL_Pointer; @@ -339,6 +427,7 @@ typedef struct _RxD_t { #define RXD_FRAME_PROTO vBIT(0xFFFF,24,8) #define RXD_FRAME_PROTO_IPV4 BIT(27) #define RXD_FRAME_PROTO_IPV6 BIT(28) +#define RXD_FRAME_IP_FRAG BIT(29) #define RXD_FRAME_PROTO_TCP BIT(30) #define RXD_FRAME_PROTO_UDP BIT(31) #define TCP_OR_UDP_FRAME (RXD_FRAME_PROTO_TCP | RXD_FRAME_PROTO_UDP) @@ -346,11 +435,15 @@ typedef struct _RxD_t { #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) + #ifndef CONFIG_2BUFF_MODE -#define MASK_BUFFER0_SIZE vBIT(0xFFFF,0,16) -#define SET_BUFFER0_SIZE(val) vBIT(val,0,16) +#define MASK_BUFFER0_SIZE vBIT(0x3FFF,2,14) +#define SET_BUFFER0_SIZE(val) vBIT(val,2,14) #else -#define MASK_BUFFER0_SIZE vBIT(0xFF,0,16) +#define MASK_BUFFER0_SIZE vBIT(0xFF,2,14) #define MASK_BUFFER1_SIZE vBIT(0xFFFF,16,16) #define MASK_BUFFER2_SIZE vBIT(0xFFFF,32,16) #define SET_BUFFER0_SIZE(val) vBIT(val,8,8) @@ -363,7 +456,7 @@ typedef struct _RxD_t { #define SET_NUM_TAG(val) vBIT(val,16,32) #ifndef CONFIG_2BUFF_MODE -#define RXD_GET_BUFFER0_SIZE(Control_2) (u64)((Control_2 & vBIT(0xFFFF,0,16))) +#define RXD_GET_BUFFER0_SIZE(Control_2) (u64)((Control_2 & vBIT(0x3FFF,2,14))) #else #define RXD_GET_BUFFER0_SIZE(Control_2) (u8)((Control_2 & MASK_BUFFER0_SIZE) \ >> 48) @@ -382,7 +475,7 @@ typedef struct _RxD_t { #endif } RxD_t; -/* Structure that represents the Rx descriptor block which contains +/* Structure that represents the Rx descriptor block which contains * 128 Rx descriptors. */ #ifndef CONFIG_2BUFF_MODE @@ -392,11 +485,11 @@ typedef struct _RxD_block { u64 reserved_0; #define END_OF_BLOCK 0xFEFFFFFFFFFFFFFFULL - u64 reserved_1; /* 0xFEFFFFFFFFFFFFFF to mark last + 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 + * the upper 32 bits should * be 0 */ } RxD_block_t; #else @@ -405,13 +498,13 @@ typedef struct _RxD_block { RxD_t rxd[MAX_RXDS_PER_BLOCK]; #define END_OF_BLOCK 0xFEFFFFFFFFFFFFFFULL - u64 reserved_1; /* 0xFEFFFFFFFFFFFFFF to mark last Rxd + u64 reserved_1; /* 0xFEFFFFFFFFFFFFFF to mark last Rxd * in this blk */ u64 pNext_RxD_Blk_physical; /* Phy ponter to next blk. */ } RxD_block_t; #define SIZE_OF_BLOCK 4096 -/* Structure to hold virtual addresses of Buf0 and Buf1 in +/* Structure to hold virtual addresses of Buf0 and Buf1 in * 2buf mode. */ typedef struct bufAdd { void *ba_0_org; @@ -423,8 +516,8 @@ typedef struct bufAdd { /* 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 +/* 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. */ typedef struct _rx_curr_get_info_t { @@ -436,7 +529,7 @@ typedef struct _rx_curr_get_info_t { typedef rx_curr_get_info_t rx_curr_put_info_t; /* This structure stores the offset of the TxDl in the FIFO - * from which the Tx Interrupt processor can start picking + * from which the Tx Interrupt processor can start picking * up the TxDLs for send complete interrupt processing. */ typedef struct { @@ -446,32 +539,96 @@ typedef struct { typedef tx_curr_get_info_t tx_curr_put_info_t; -/* Infomation related to the Tx and Rx FIFOs and Rings of Xena - * is maintained in this structure. - */ -typedef struct mac_info { -/* rx side stuff */ - /* Put pointer info which indictes which RxD has to be replenished +/* Structure that holds the Phy and virt addresses of the Blocks */ +typedef struct rx_block_info { + RxD_t *block_virt_addr; + dma_addr_t block_dma_addr; +} rx_block_info_t; + +/* pre declaration of the nic structure */ +typedef struct s2io_nic nic_t; + +/* Ring specific structure */ +typedef struct ring_info { + /* The ring number */ + int ring_no; + + /* + * Place holders for the virtual and physical addresses of + * all the Rx Blocks + */ + rx_block_info_t 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. */ - rx_curr_put_info_t rx_curr_put_info[MAX_RX_RINGS]; + rx_curr_put_info_t rx_curr_put_info; - /* Get pointer info which indictes which is the last RxD that was + /* + * Get pointer info which indictes which is the last RxD that was * processed by the driver. */ - rx_curr_get_info_t rx_curr_get_info[MAX_RX_RINGS]; + rx_curr_get_info_t rx_curr_get_info; - u16 rmac_pause_time; - u16 mc_pause_threshold_q0q3; - u16 mc_pause_threshold_q4q7; +#ifndef CONFIG_S2IO_NAPI + /* Index to the absolute position of the put pointer of Rx ring */ + int put_pos; +#endif + +#ifdef CONFIG_2BUFF_MODE + /* Buffer Address store. */ + buffAdd_t **ba; +#endif + nic_t *nic; +} ring_info_t; +/* Fifo specific structure */ +typedef 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. */ + list_info_hold_t *list_info; + + /* + * Current offset within the tx FIFO where driver would write + * new Tx frame + */ + tx_curr_put_info_t tx_curr_put_info; + + /* + * Current offset within tx FIFO from where the driver would start freeing + * the buffers + */ + tx_curr_get_info_t tx_curr_get_info; + + nic_t *nic; +}fifo_info_t; + +/* Infomation related to the Tx and Rx FIFOs and Rings of Xena + * is maintained in this structure. + */ +typedef struct mac_info { /* tx side stuff */ /* logical pointer of start of each Tx FIFO */ TxFIFO_element_t __iomem *tx_FIFO_start[MAX_TX_FIFOS]; -/* Current offset within tx_FIFO_start, where driver would write new Tx frame*/ - tx_curr_put_info_t tx_curr_put_info[MAX_TX_FIFOS]; - tx_curr_get_info_t tx_curr_get_info[MAX_TX_FIFOS]; + /* Fifo specific structure */ + fifo_info_t fifos[MAX_TX_FIFOS]; + +/* rx side stuff */ + /* Ring specific structure */ + ring_info_t 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 */ @@ -485,12 +642,6 @@ typedef struct { int usage_cnt; } usr_addr_t; -/* Structure that holds the Phy and virt addresses of the Blocks */ -typedef struct rx_block_info { - RxD_t *block_virt_addr; - dma_addr_t block_dma_addr; -} rx_block_info_t; - /* Default Tunable parameters of the NIC. */ #define DEFAULT_FIFO_LEN 4096 #define SMALL_RXD_CNT 30 * (MAX_RXDS_PER_BLOCK+1) @@ -499,7 +650,20 @@ typedef struct rx_block_info { #define LARGE_BLK_CNT 100 /* Structure representing one instance of the NIC */ -typedef struct s2io_nic { +struct s2io_nic { +#ifdef CONFIG_S2IO_NAPI + /* + * 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; +#endif + struct net_device *dev; + mac_info_t 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 @@ -507,33 +671,20 @@ typedef struct s2io_nic { macaddr_t pre_mac_addr[MAX_MAC_SUPPORTED]; struct net_device_stats stats; - void __iomem *bar0; - void __iomem *bar1; - struct config_param config; - mac_info_t mac_control; int high_dma_flag; int device_close_flag; int device_enabled_once; - char name[32]; + char name[50]; struct tasklet_struct task; volatile unsigned long tasklet_status; - struct timer_list timer; - struct net_device *dev; - struct pci_dev *pdev; - u16 vendor_id; - u16 device_id; - u16 ccmd; - u32 cbar0_1; - u32 cbar0_2; - u32 cbar1_1; - u32 cbar1_2; - u32 cirq; - u8 cache_line; - u32 rom_expansion; - u16 pcix_cmd; - u32 irq; + /* 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)]; + atomic_t rx_bufs_left[MAX_RX_RINGS]; spinlock_t tx_lock; @@ -558,27 +709,11 @@ typedef struct s2io_nic { u16 tx_err_count; u16 rx_err_count; -#ifndef CONFIG_S2IO_NAPI - /* Index to the absolute position of the put pointer of Rx ring. */ - int put_pos[MAX_RX_RINGS]; -#endif - - /* - * Place holders for the virtual and physical addresses of - * all the Rx Blocks - */ - rx_block_info_t rx_blocks[MAX_RX_RINGS][MAX_RX_BLOCKS_PER_RING]; - int block_count[MAX_RX_RINGS]; - int pkt_cnt[MAX_RX_RINGS]; - - /* Place holder of all the TX List's Phy and Virt addresses. */ - list_info_hold_t *list_info[MAX_TX_FIFOS]; - /* Id timer, used to blink NIC to physically identify NIC. */ struct timer_list id_timer; /* Restart timer, used to restart NIC if the device is stuck and - * a schedule task that will set the correct Link state once the + * a schedule task that will set the correct Link state once the * NIC's PHY has stabilized after a state change. */ #ifdef INIT_TQUEUE @@ -589,12 +724,12 @@ typedef struct s2io_nic { struct work_struct set_link_task; #endif - /* Flag that can be used to turn on or turn off the Rx checksum + /* Flag that can be used to turn on or turn off the Rx checksum * offload feature. */ int rx_csum; - /* after blink, the adapter must be restored with original + /* after blink, the adapter must be restored with original * values. */ u64 adapt_ctrl_org; @@ -604,16 +739,19 @@ typedef struct s2io_nic { #define LINK_DOWN 1 #define LINK_UP 2 -#ifdef CONFIG_2BUFF_MODE - /* Buffer Address store. */ - buffAdd_t **ba[MAX_RX_RINGS]; -#endif int task_flag; #define CARD_DOWN 1 #define CARD_UP 2 atomic_t card_state; volatile unsigned long link_state; -} nic_t; + struct vlan_group *vlgrp; +#define XFRAME_I_DEVICE 1 +#define XFRAME_II_DEVICE 2 + u8 device_type; + + spinlock_t rx_lock; + atomic_t isr_cnt; +}; #define RESET_ERROR 1; #define CMD_ERROR 2; @@ -622,9 +760,10 @@ typedef struct s2io_nic { #ifndef readq static inline u64 readq(void __iomem *addr) { - u64 ret = readl(addr + 4); - ret <<= 32; - ret |= readl(addr); + u64 ret = 0; + ret = readl(addr + 4); + (u64) ret <<= 32; + (u64) ret |= readl(addr); return ret; } @@ -637,10 +776,10 @@ static inline void writeq(u64 val, void __iomem *addr) writel((u32) (val >> 32), (addr + 4)); } -/* In 32 bit modes, some registers have to be written in a +/* In 32 bit modes, 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 + * 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 @@ -716,6 +855,7 @@ static inline void SPECIAL_REG_WRITE(u64 val, void __iomem *addr, int order) #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. */ @@ -725,36 +865,30 @@ 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); -#ifndef CONFIG_S2IO_NAPI -static void rx_intr_handler(struct s2io_nic *sp); -#endif -static void tx_intr_handler(struct s2io_nic *sp); +static void rx_intr_handler(ring_info_t *ring_data); +static void tx_intr_handler(fifo_info_t *fifo_data); static void alarm_intr_handler(struct s2io_nic *sp); static int s2io_starter(void); -static void s2io_closer(void); +void s2io_closer(void); static void s2io_tx_watchdog(struct net_device *dev); static void s2io_tasklet(unsigned long dev_addr); static void s2io_set_multicast(struct net_device *dev); -#ifndef CONFIG_2BUFF_MODE -static int rx_osm_handler(nic_t * sp, u16 len, RxD_t * rxdp, int ring_no); -#else -static int rx_osm_handler(nic_t * sp, RxD_t * rxdp, int ring_no, - buffAdd_t * ba); -#endif -static void s2io_link(nic_t * sp, int link); -static void s2io_reset(nic_t * sp); -#ifdef CONFIG_S2IO_NAPI +static int rx_osm_handler(ring_info_t *ring_data, RxD_t * rxdp); +void s2io_link(nic_t * sp, int link); +void s2io_reset(nic_t * sp); +#if defined(CONFIG_S2IO_NAPI) static int s2io_poll(struct net_device *dev, int *budget); #endif static void s2io_init_pci(nic_t * sp); -static int s2io_set_mac_addr(struct net_device *dev, u8 * addr); +int s2io_set_mac_addr(struct net_device *dev, u8 * addr); +static void s2io_alarm_handle(unsigned long data); static irqreturn_t s2io_isr(int irq, void *dev_id, struct pt_regs *regs); -static int verify_xena_quiescence(u64 val64, int flag); +static int verify_xena_quiescence(nic_t *sp, u64 val64, int flag); static struct ethtool_ops netdev_ethtool_ops; static void s2io_set_link(unsigned long data); -static int s2io_set_swapper(nic_t * sp); -static void s2io_card_down(nic_t * nic); -static int s2io_card_up(nic_t * nic); - +int s2io_set_swapper(nic_t * sp); +static void s2io_card_down(nic_t *nic); +static int s2io_card_up(nic_t *nic); +int get_xena_rev_id(struct pci_dev *pdev); #endif /* _S2IO_H */ |