X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=drivers%2Fnet%2Fs2io.h;h=4706f7f9acb628b423834e90a467f273f2245fd7;hb=43fc63dceb8ff58c5ef0a30c70abd31336b5e8b4;hp=64b88eb48287d2d583897af67889e6474beebaa6;hpb=9853832c49dc1685587abeb4e1decd4be690d256;p=linux-2.6 diff --git a/drivers/net/s2io.h b/drivers/net/s2io.h index 64b88eb482..4706f7f9ac 100644 --- a/drivers/net/s2io.h +++ b/drivers/net/s2io.h @@ -360,7 +360,10 @@ struct stat_block { #define MAX_TX_FIFOS 8 #define MAX_RX_RINGS 8 -#define FIFO_DEFAULT_NUM 1 +#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 * 127 ) #define MAX_RX_DESC_2 (MAX_RX_RINGS * MAX_RX_BLOCKS_PER_RING * 85 ) @@ -379,6 +382,8 @@ static int fifo_map[][MAX_TX_FIFOS] = { {0, 1, 2, 3, 4, 5, 6, 7}, }; +static 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 @@ -431,6 +436,12 @@ 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 */ @@ -464,6 +475,7 @@ struct config_param { 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 */ @@ -534,6 +546,7 @@ struct RxD_t { #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) @@ -665,11 +678,58 @@ 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 @@ -690,13 +750,16 @@ 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 { @@ -720,6 +783,15 @@ 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; @@ -774,7 +846,7 @@ 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; @@ -782,8 +854,8 @@ 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 @@ -794,25 +866,6 @@ 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; - __be32 cur_tsecr; - u8 saw_ts; -}; - /* These flags represent the devices temporary state */ enum s2io_device_state_t { @@ -829,7 +882,6 @@ 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; @@ -845,8 +897,6 @@ struct s2io_nic { 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; @@ -854,10 +904,6 @@ 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 put_lock; - #define PROMISC 1 #define ALL_MULTI 2 @@ -885,6 +931,28 @@ 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. */ @@ -899,6 +967,7 @@ struct s2io_nic { unsigned long long start_time; struct vlan_group *vlgrp; #define MSIX_FLG 0xA5 + int num_entries; struct msix_entry *entries; int msi_detected; wait_queue_head_t msi_wait; @@ -913,15 +982,13 @@ 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; - spinlock_t rx_lock; u64 general_int_mask; + #define VPD_STRING_LEN 80 u8 product_name[VPD_STRING_LEN]; u8 serial_num[VPD_STRING_LEN]; @@ -1043,19 +1110,19 @@ 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 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_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 do_s2io_prog_unicast(struct net_device *dev, u8 *addr); static void s2io_alarm_handle(unsigned long data); @@ -1083,11 +1150,11 @@ 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(u8 *buffer, u8 **tcp, u32 *tcp_len, struct lro **lro, - struct RxD_t *rxdp, struct s2io_nic *sp); +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);