diff options
Diffstat (limited to 'drivers/net/netxen/netxen_nic.h')
| -rw-r--r-- | drivers/net/netxen/netxen_nic.h | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/drivers/net/netxen/netxen_nic.h b/drivers/net/netxen/netxen_nic.h index 705fdf10f95d..bcc551ef8519 100644 --- a/drivers/net/netxen/netxen_nic.h +++ b/drivers/net/netxen/netxen_nic.h @@ -1133,6 +1133,40 @@ typedef struct nx_mac_list_s { uint8_t mac_addr[MAX_ADDR_LEN]; } nx_mac_list_t; +/* + * Interrupt coalescing defaults. The defaults are for 1500 MTU. It is + * adjusted based on configured MTU. + */ +#define NETXEN_DEFAULT_INTR_COALESCE_RX_TIME_US 3 +#define NETXEN_DEFAULT_INTR_COALESCE_RX_PACKETS 256 +#define NETXEN_DEFAULT_INTR_COALESCE_TX_PACKETS 64 +#define NETXEN_DEFAULT_INTR_COALESCE_TX_TIME_US 4 + +#define NETXEN_NIC_INTR_DEFAULT 0x04 + +typedef union { + struct { + uint16_t rx_packets; + uint16_t rx_time_us; + uint16_t tx_packets; + uint16_t tx_time_us; + } data; + uint64_t word; +} nx_nic_intr_coalesce_data_t; + +typedef struct { + uint16_t stats_time_us; + uint16_t rate_sample_time; + uint16_t flags; + uint16_t rsvd_1; + uint32_t low_threshold; + uint32_t high_threshold; + nx_nic_intr_coalesce_data_t normal; + nx_nic_intr_coalesce_data_t low; + nx_nic_intr_coalesce_data_t high; + nx_nic_intr_coalesce_data_t irq; +} nx_nic_intr_coalesce_t; + typedef struct { u64 qhdr; u64 req_hdr; @@ -1158,6 +1192,10 @@ typedef struct { #define NETXEN_DB_MAPSIZE_BYTES 0x1000 +#define NETXEN_NETDEV_WEIGHT 120 +#define NETXEN_ADAPTER_UP_MAGIC 777 +#define NETXEN_NIC_PEG_TUNE 0 + struct netxen_dummy_dma { void *addr; dma_addr_t phys_addr; @@ -1236,6 +1274,7 @@ struct netxen_adapter { int is_up; struct netxen_dummy_dma dummy_dma; + nx_nic_intr_coalesce_t coal; /* Context interface shared between card and host */ struct netxen_ring_ctx *ctx_desc; @@ -1423,6 +1462,7 @@ int netxen_process_cmd_ring(struct netxen_adapter *adapter); u32 netxen_process_rcv_ring(struct netxen_adapter *adapter, int ctx, int max); void netxen_p2_nic_set_multi(struct net_device *netdev); void netxen_p3_nic_set_multi(struct net_device *netdev); +int netxen_config_intr_coalesce(struct netxen_adapter *adapter); u32 nx_fw_cmd_set_mtu(struct netxen_adapter *adapter, u32 mtu); int netxen_nic_change_mtu(struct net_device *netdev, int new_mtu); |