X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=drivers%2Fnet%2Fs2io.h;h=55cb943f23f86c8f35a77bd58cae27727dc0dd8e;hb=e0caf9eaae5182ab4e02a5d703ade64719738f87;hp=420fefb991887c8fe7dc411ac3d63b752b531aee;hpb=bea3348eef27e6044b6161fd04c3152215f96411;p=safe%2Fjmp%2Flinux-2.6 diff --git a/drivers/net/s2io.h b/drivers/net/s2io.h index 420fefb..55cb943 100644 --- a/drivers/net/s2io.h +++ b/drivers/net/s2io.h @@ -14,7 +14,7 @@ #define _S2IO_H #define TBD 0 -#define BIT(loc) (0x8000000000000000ULL >> (loc)) +#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) @@ -31,6 +31,7 @@ #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 @@ -74,10 +75,6 @@ static int debug_level = ERR_DBG; /* DEBUG message print. */ #define DBG_PRINT(dbg_level, args...) if(!(debug_level> 16) & 0xFFFF) #define RXD_GET_L4_CKSUM(val) ((u16)(val) & 0xFFFF) @@ -635,11 +674,58 @@ struct rx_block_info { 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 @@ -660,13 +746,16 @@ struct ring_info { */ struct rx_curr_get_info rx_curr_get_info; - /* Index to the absolute position of the put pointer of Rx ring */ - int put_pos; + /* interface MTU value */ + unsigned mtu; /* Buffer Address store. */ struct buffAdd **ba; - struct s2io_nic *nic; -}; + + /* per-Ring statistics */ + unsigned long rx_packets; + unsigned long rx_bytes; +} ____cacheline_aligned; /* Fifo specific structure */ struct fifo_info { @@ -690,9 +779,24 @@ struct fifo_info { * 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. @@ -738,7 +842,7 @@ struct usr_addr { * Structure to keep track of the MSI-X vectors and the corresponding * argument registered against each vector */ -#define MAX_REQUESTED_MSI_X 17 +#define MAX_REQUESTED_MSI_X 9 struct s2io_msix_entry { u16 vector; @@ -746,8 +850,8 @@ struct s2io_msix_entry void *arg; u8 type; -#define MSIX_FIFO_TYPE 1 -#define MSIX_RING_TYPE 2 +#define MSIX_ALARM_TYPE 1 +#define MSIX_RING_TYPE 2 u8 in_use; #define MSIX_REGISTERED_SUCCESS 0xAA @@ -758,23 +862,11 @@ struct msix_info_st { u64 data; }; -/* 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; - u32 cur_tsval; - u32 cur_tsecr; - u8 saw_ts; +/* 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 */ @@ -786,7 +878,6 @@ struct s2io_nic { */ int pkts_to_process; struct net_device *dev; - struct napi_struct napi; struct mac_info mac_control; struct config_param config; struct pci_dev *pdev; @@ -795,15 +886,13 @@ struct s2io_nic { #define MAX_MAC_SUPPORTED 16 #define MAX_SUPPORTED_MULTICASTS MAX_MAC_SUPPORTED - struct mac_addr def_mac_addr[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]; - struct tasklet_struct task; - volatile unsigned long tasklet_status; /* Timer that handles I/O errors/exceptions */ struct timer_list alarm_timer; @@ -811,18 +900,13 @@ struct s2io_nic { /* 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; - spinlock_t put_lock; - #define PROMISC 1 #define ALL_MULTI 2 #define MAX_ADDRS_SUPPORTED 64 u16 usr_addr_count; u16 mc_addr_count; - struct usr_addr usr_addrs[MAX_ADDRS_SUPPORTED]; + struct usr_addr usr_addrs[256]; u16 m_cast_flg; u16 all_multi_pos; @@ -843,6 +927,28 @@ struct s2io_nic { */ 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. */ @@ -855,13 +961,13 @@ struct s2io_nic { int task_flag; unsigned long long start_time; -#define CARD_DOWN 1 -#define CARD_UP 2 - atomic_t card_state; - volatile unsigned long link_state; struct vlan_group *vlgrp; + 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]; @@ -873,20 +979,13 @@ struct s2io_nic { #define XFRAME_II_DEVICE 2 u8 device_type; -#define MAX_LRO_SESSIONS 32 - struct lro lro0_n[MAX_LRO_SESSIONS]; unsigned long clubbed_frms_cnt; unsigned long sending_both; u8 lro; u16 lro_max_aggr_per_sess; + volatile unsigned long state; + u64 general_int_mask; -#define INTA 0 -#define MSI_X 2 - u8 intr_type; - - spinlock_t rx_lock; - atomic_t isr_cnt; - u64 *ufo_in_band_v; #define VPD_STRING_LEN 80 u8 product_name[VPD_STRING_LEN]; u8 serial_num[VPD_STRING_LEN]; @@ -973,26 +1072,26 @@ static inline void SPECIAL_REG_WRITE(u64 val, void __iomem *addr, int order) /* Interrupt masks for the general interrupt mask register */ #define DISABLE_ALL_INTRS 0xFFFFFFFFFFFFFFFFULL -#define TXPIC_INT_M BIT(0) -#define TXDMA_INT_M BIT(1) -#define TXMAC_INT_M BIT(2) -#define TXXGXS_INT_M BIT(3) -#define TXTRAFFIC_INT_M BIT(8) -#define PIC_RX_INT_M BIT(32) -#define RXDMA_INT_M BIT(33) -#define RXMAC_INT_M BIT(34) -#define MC_INT_M BIT(35) -#define RXXGXS_INT_M BIT(36) -#define RXTRAFFIC_INT_M BIT(40) +#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 BIT(0) -#define TXDMA_PCC_INT_M BIT(2) +#define TXDMA_PFC_INT_M s2BIT(0) +#define TXDMA_PCC_INT_M s2BIT(2) /* PFC block interrupts */ -#define PFC_MISC_ERR_1 BIT(0) /* Interrupt to indicate FIFO full */ +#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 @@ -1008,21 +1107,22 @@ 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 void rx_intr_handler(struct ring_info *ring_data); +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 alarm_intr_handler(struct s2io_nic *sp); +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_tasklet(unsigned long dev_addr); 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(struct napi_struct *napi, int budget); +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 s2io_set_mac_addr(struct net_device *dev, u8 * addr); +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); @@ -1041,12 +1141,18 @@ 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 int -s2io_club_tcp_session(u8 *buffer, u8 **tcp, u32 *tcp_len, struct lro **lro, - struct RxD_t *rxdp, struct s2io_nic *sp); +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); +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);