X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=drivers%2Fnet%2Fs2io.h;h=9a1737522f0f1f59a22bc7d98784667a85422ef0;hb=6a77f38946aaee1cd85eeec6cf4229b204c15071;hp=e9a16645065643b2f9a027edd1d52f74168aafc6;hpb=9bf4aaab3e101692164d49b7ca357651eb691cb6;p=linux-2.6.git diff --git a/drivers/net/s2io.h b/drivers/net/s2io.h index e9a166450..9a1737522 100644 --- a/drivers/net/s2io.h +++ b/drivers/net/s2io.h @@ -16,6 +16,7 @@ #define TBD 0 #define BIT(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) #ifndef BOOL #define BOOL int @@ -52,8 +53,6 @@ typedef enum xena_max_outstanding_splits { /* * Debug related variables. */ -#define DEBUG_ON TRUE - /* different debug levels. */ #define ERR_DBG 0 #define INIT_DBG 1 @@ -62,7 +61,7 @@ typedef enum xena_max_outstanding_splits { #define INTR_DBG 4 /* Global variable that defines the present debug level of the driver. */ -int debug_level = ERR_DBG; /* Default level. */ +static int debug_level = ERR_DBG; /* Default level. */ /* DEBUG message print. */ #define DBG_PRINT(dbg_level, args...) if(!(debug_level> (63-31)) -#define TXD_GET_BUFFER2_SIZE(Control_2) (u16)((Control_2 & MASK_BUFFER2_SIZE) >> (63-47)) -*/ +#else +#define RXD_GET_BUFFER0_SIZE(Control_2) (u8)((Control_2 & MASK_BUFFER0_SIZE) \ + >> 48) +#define RXD_GET_BUFFER1_SIZE(Control_2) (u16)((Control_2 & MASK_BUFFER1_SIZE) \ + >> 32) +#define RXD_GET_BUFFER2_SIZE(Control_2) (u16)((Control_2 & MASK_BUFFER2_SIZE) \ + >> 16) +#define BUF0_LEN 40 +#define BUF1_LEN 1 +#endif + u64 Buffer0_ptr; +#ifdef CONFIG_2BUFF_MODE + u64 Buffer1_ptr; + u64 Buffer2_ptr; +#endif } RxD_t; - /* Structure that represents the Rx descriptor block which contains * 128 Rx descriptors. */ +#ifndef CONFIG_2BUFF_MODE typedef struct _RxD_block { #define MAX_RXDS_PER_BLOCK 127 RxD_t rxd[MAX_RXDS_PER_BLOCK]; 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 */ + 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 */ } RxD_block_t; +#else +typedef struct _RxD_block { +#define MAX_RXDS_PER_BLOCK 85 + RxD_t rxd[MAX_RXDS_PER_BLOCK]; + +#define END_OF_BLOCK 0xFEFFFFFFFFFFFFFFULL + 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 + * 2buf mode. */ +typedef struct bufAdd { + void *ba_0_org; + void *ba_1_org; + void *ba_0; + void *ba_1; +} buffAdd_t; +#endif /* Structure which stores all the MAC control parameters */ @@ -568,10 +567,6 @@ typedef tx_curr_get_info_t tx_curr_put_info_t; */ typedef struct mac_info { /* rx side stuff */ - u32 rxd_ring_mem_sz; - RxD_t *RxRing[MAX_RX_RINGS]; /* Logical Rx ring pointers */ - dma_addr_t RxRing_Phy[MAX_RX_RINGS]; - /* Put pointer info which indictes which RxD has to be replenished * with a new buffer. */ @@ -583,41 +578,21 @@ typedef struct mac_info { rx_curr_get_info_t rx_curr_get_info[MAX_RX_RINGS]; u16 rmac_pause_time; - - /* this will be used in receive function, this decides which ring would - be processed first. eg: ring with priority value 0 (highest) should - be processed first. - first 3 LSB bits represent ring number which should be processed - first, similarly next 3 bits represent next ring to be processed. - eg: value of _rx_ring_pri_map = 0x0000 003A means - ring #2 would be processed first and #7 would be processed next - */ - u32 _rx_ring_pri_map; + u16 mc_pause_threshold_q0q3; + u16 mc_pause_threshold_q4q7; /* tx side stuff */ - void *txd_list_mem; /* orignal pointer to allocated mem */ - dma_addr_t txd_list_mem_phy; - u32 txd_list_mem_sz; - /* logical pointer of start of each Tx FIFO */ - TxFIFO_element_t *tx_FIFO_start[MAX_TX_FIFOS]; - - /* logical pointer of start of TxDL which corresponds to each Tx FIFO */ - TxD_t *txdl_start[MAX_TX_FIFOS]; - - /* Same as txdl_start but phy addr */ - dma_addr_t txdl_start_phy[MAX_TX_FIFOS]; + 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]; - u16 txdl_len; /* length of a TxDL, same for all */ - void *stats_mem; /* orignal pointer to allocated mem */ dma_addr_t stats_mem_phy; /* Physical address of the stat block */ u32 stats_mem_sz; - StatInfo_t *StatsInfo; /* Logical address of the stat block */ + StatInfo_t *stats_info; /* Logical address of the stat block */ } mac_info_t; /* structure representing the user defined MAC addresses */ @@ -632,17 +607,24 @@ typedef struct rx_block_info { 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) +#define LARGE_RXD_CNT 100 * (MAX_RXDS_PER_BLOCK+1) +#define SMALL_BLK_CNT 30 +#define LARGE_BLK_CNT 100 + /* Structure representing one instance of the NIC */ typedef struct s2io_nic { #define MAX_MAC_SUPPORTED 16 #define MAX_SUPPORTED_MULTICASTS MAX_MAC_SUPPORTED - macaddr_t defMacAddr[MAX_MAC_SUPPORTED]; - macaddr_t preMacAddr[MAX_MAC_SUPPORTED]; + macaddr_t def_mac_addr[MAX_MAC_SUPPORTED]; + macaddr_t pre_mac_addr[MAX_MAC_SUPPORTED]; struct net_device_stats stats; - caddr_t bar0; - caddr_t bar1; + void __iomem *bar0; + void __iomem *bar1; struct config_param config; mac_info_t mac_control; int high_dma_flag; @@ -651,7 +633,7 @@ typedef struct s2io_nic { char name[32]; struct tasklet_struct task; - atomic_t tasklet_status; + volatile unsigned long tasklet_status; struct timer_list timer; struct net_device *dev; struct pci_dev *pdev; @@ -667,12 +649,13 @@ typedef struct s2io_nic { u8 cache_line; u32 rom_expansion; u16 pcix_cmd; - u32 config_space[256 / sizeof(u32)]; u32 irq; atomic_t rx_bufs_left[MAX_RX_RINGS]; - spinlock_t isr_lock; spinlock_t tx_lock; +#ifndef CONFIG_S2IO_NAPI + spinlock_t put_lock; +#endif #define PROMISC 1 #define ALL_MULTI 2 @@ -691,23 +674,22 @@ typedef struct s2io_nic { u16 tx_err_count; u16 rx_err_count; -#if DEBUG_ON - u64 rxpkt_bytes; - u64 txpkt_bytes; - int int_cnt; - int rxint_cnt; - int txint_cnt; - u64 rxpkt_cnt; +#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 + /* + * Place holders for the virtual and physical addresses of * all the Rx Blocks */ - struct rx_block_info - rx_blocks[MAX_RX_RINGS][MAX_RX_BLOCKS_PER_RING]; + 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; @@ -737,22 +719,26 @@ typedef struct s2io_nic { u16 last_link_state; #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; #define RESET_ERROR 1; #define CMD_ERROR 2; -/* Default Tunable parameters of the NIC. */ -#define DEFAULT_FIFO_LEN 4096 -#define SMALL_RXD_CNT 40 * (MAX_RXDS_PER_BLOCK+1) -#define LARGE_RXD_CNT 100 * (MAX_RXDS_PER_BLOCK+1) - /* OS related system calls */ #ifndef readq -static inline u64 readq(void *addr) +static inline u64 readq(void __iomem *addr) { - u64 ret = 0; - ret = readl(addr + 4); + u64 ret = readl(addr + 4); ret <<= 32; ret |= readl(addr); @@ -761,11 +747,32 @@ static inline u64 readq(void *addr) #endif #ifndef writeq -static inline void writeq(u64 val, void *addr) +static inline void writeq(u64 val, void __iomem *addr) { writel((u32) (val), addr); writel((u32) (val >> 32), (addr + 4)); } + +/* 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 + * 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); + writel((u32) (val >> 32), (addr + 4)); + } else { + writel((u32) (val >> 32), (addr + 4)); + writel((u32) (val), addr); + } +} +#else +#define SPECIAL_REG_WRITE(val, addr, dummy) writeq(val, addr) #endif /* Interrupt related values of Xena */ @@ -816,30 +823,41 @@ static inline void writeq(u64 val, void *addr) /* DMA level Inressupts */ #define TXDMA_PFC_INT_M BIT(0) - /* PFC block interrupts */ +#define TXDMA_PCC_INT_M BIT(2) + +/* PFC block interrupts */ #define PFC_MISC_ERR_1 BIT(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. */ + /* * 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 initSharedMem(struct s2io_nic *sp); -static void freeSharedMem(struct s2io_nic *sp); -static int initNic(struct s2io_nic *nic); +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 rxIntrHandler(struct s2io_nic *sp); +static void rx_intr_handler(struct s2io_nic *sp); #endif -static void txIntrHandler(struct s2io_nic *sp); -static void alarmIntrHandler(struct s2io_nic *sp); +static void tx_intr_handler(struct s2io_nic *sp); +static void alarm_intr_handler(struct s2io_nic *sp); static int s2io_starter(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); -static int rxOsmHandler(nic_t * sp, u16 len, RxD_t * rxdp, int ring_no); +#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 void s2io_link(nic_t * sp, int link); void s2io_reset(nic_t * sp); #ifdef CONFIG_S2IO_NAPI @@ -850,5 +868,8 @@ int s2io_set_mac_addr(struct net_device *dev, u8 * addr); static irqreturn_t s2io_isr(int irq, void *dev_id, struct pt_regs *regs); static int verify_xena_quiescence(u64 val64, int flag); static struct ethtool_ops netdev_ethtool_ops; +static void s2io_set_link(unsigned long data); +static void s2io_card_down(nic_t * nic); +static int s2io_card_up(nic_t * nic); #endif /* _S2IO_H */