diff options
Diffstat (limited to 'drivers/net/ethernet/intel/igc/igc.h')
| -rw-r--r-- | drivers/net/ethernet/intel/igc/igc.h | 449 |
1 files changed, 217 insertions, 232 deletions
diff --git a/drivers/net/ethernet/intel/igc/igc.h b/drivers/net/ethernet/intel/igc/igc.h index a1f845a2aa80..5dbc5a156626 100644 --- a/drivers/net/ethernet/intel/igc/igc.h +++ b/drivers/net/ethernet/intel/igc/igc.h @@ -16,14 +16,210 @@ #include "igc_hw.h" -/* forward declaration */ -void igc_set_ethtool_ops(struct net_device *); +void igc_ethtool_set_ops(struct net_device *); -struct igc_adapter; -struct igc_ring; +/* Transmit and receive queues */ +#define IGC_MAX_RX_QUEUES 4 +#define IGC_MAX_TX_QUEUES 4 + +#define MAX_Q_VECTORS 8 +#define MAX_STD_JUMBO_FRAME_SIZE 9216 + +#define MAX_ETYPE_FILTER 8 +#define IGC_RETA_SIZE 128 + +enum igc_mac_filter_type { + IGC_MAC_FILTER_TYPE_DST = 0, + IGC_MAC_FILTER_TYPE_SRC +}; + +struct igc_tx_queue_stats { + u64 packets; + u64 bytes; + u64 restart_queue; + u64 restart_queue2; +}; + +struct igc_rx_queue_stats { + u64 packets; + u64 bytes; + u64 drops; + u64 csum_err; + u64 alloc_failed; +}; + +struct igc_rx_packet_stats { + u64 ipv4_packets; /* IPv4 headers processed */ + u64 ipv4e_packets; /* IPv4E headers with extensions processed */ + u64 ipv6_packets; /* IPv6 headers processed */ + u64 ipv6e_packets; /* IPv6E headers with extensions processed */ + u64 tcp_packets; /* TCP headers processed */ + u64 udp_packets; /* UDP headers processed */ + u64 sctp_packets; /* SCTP headers processed */ + u64 nfs_packets; /* NFS headers processe */ + u64 other_packets; +}; + +struct igc_ring_container { + struct igc_ring *ring; /* pointer to linked list of rings */ + unsigned int total_bytes; /* total bytes processed this int */ + unsigned int total_packets; /* total packets processed this int */ + u16 work_limit; /* total work allowed per interrupt */ + u8 count; /* total number of rings in vector */ + u8 itr; /* current ITR setting for ring */ +}; + +struct igc_ring { + struct igc_q_vector *q_vector; /* backlink to q_vector */ + struct net_device *netdev; /* back pointer to net_device */ + struct device *dev; /* device for dma mapping */ + union { /* array of buffer info structs */ + struct igc_tx_buffer *tx_buffer_info; + struct igc_rx_buffer *rx_buffer_info; + }; + void *desc; /* descriptor ring memory */ + unsigned long flags; /* ring specific flags */ + void __iomem *tail; /* pointer to ring tail register */ + dma_addr_t dma; /* phys address of the ring */ + unsigned int size; /* length of desc. ring in bytes */ + + u16 count; /* number of desc. in the ring */ + u8 queue_index; /* logical index of the ring*/ + u8 reg_idx; /* physical index of the ring */ + bool launchtime_enable; /* true if LaunchTime is enabled */ + + u32 start_time; + u32 end_time; + + /* everything past this point are written often */ + u16 next_to_clean; + u16 next_to_use; + u16 next_to_alloc; + + union { + /* TX */ + struct { + struct igc_tx_queue_stats tx_stats; + struct u64_stats_sync tx_syncp; + struct u64_stats_sync tx_syncp2; + }; + /* RX */ + struct { + struct igc_rx_queue_stats rx_stats; + struct igc_rx_packet_stats pkt_stats; + struct u64_stats_sync rx_syncp; + struct sk_buff *skb; + }; + }; +} ____cacheline_internodealigned_in_smp; + +/* Board specific private data structure */ +struct igc_adapter { + struct net_device *netdev; + + unsigned long state; + unsigned int flags; + unsigned int num_q_vectors; + + struct msix_entry *msix_entries; + + /* TX */ + u16 tx_work_limit; + u32 tx_timeout_count; + int num_tx_queues; + struct igc_ring *tx_ring[IGC_MAX_TX_QUEUES]; + + /* RX */ + int num_rx_queues; + struct igc_ring *rx_ring[IGC_MAX_RX_QUEUES]; + + struct timer_list watchdog_timer; + struct timer_list dma_err_timer; + struct timer_list phy_info_timer; + + u32 wol; + u32 en_mng_pt; + u16 link_speed; + u16 link_duplex; + + u8 port_num; + + u8 __iomem *io_addr; + /* Interrupt Throttle Rate */ + u32 rx_itr_setting; + u32 tx_itr_setting; + + struct work_struct reset_task; + struct work_struct watchdog_task; + struct work_struct dma_err_task; + bool fc_autoneg; + + u8 tx_timeout_factor; + + int msg_enable; + u32 max_frame_size; + u32 min_frame_size; + + ktime_t base_time; + ktime_t cycle_time; + + /* OS defined structs */ + struct pci_dev *pdev; + /* lock for statistics */ + spinlock_t stats64_lock; + struct rtnl_link_stats64 stats64; + + /* structs defined in igc_hw.h */ + struct igc_hw hw; + struct igc_hw_stats stats; + + struct igc_q_vector *q_vector[MAX_Q_VECTORS]; + u32 eims_enable_mask; + u32 eims_other; + + u16 tx_ring_count; + u16 rx_ring_count; + + u32 tx_hwtstamp_timeouts; + u32 tx_hwtstamp_skipped; + u32 rx_hwtstamp_cleared; + + u32 rss_queues; + u32 rss_indir_tbl_init; + + /* Any access to elements in nfc_rule_list is protected by the + * nfc_rule_lock. + */ + struct mutex nfc_rule_lock; + struct list_head nfc_rule_list; + unsigned int nfc_rule_count; + + u8 rss_indir_tbl[IGC_RETA_SIZE]; + + unsigned long link_check_timeout; + struct igc_info ei; + + u32 test_icr; + + struct ptp_clock *ptp_clock; + struct ptp_clock_info ptp_caps; + struct work_struct ptp_tx_work; + struct sk_buff *ptp_tx_skb; + struct hwtstamp_config tstamp_config; + unsigned long ptp_tx_start; + unsigned long last_rx_ptp_check; + unsigned long last_rx_timestamp; + unsigned int ptp_flags; + /* System time value lock */ + spinlock_t tmreg_lock; + struct cyclecounter cc; + struct timecounter tc; +}; void igc_up(struct igc_adapter *adapter); void igc_down(struct igc_adapter *adapter); +int igc_open(struct net_device *netdev); +int igc_close(struct net_device *netdev); int igc_setup_tx_resources(struct igc_ring *ring); int igc_setup_rx_resources(struct igc_ring *ring); void igc_free_tx_resources(struct igc_ring *ring); @@ -36,10 +232,6 @@ void igc_write_rss_indir_tbl(struct igc_adapter *adapter); bool igc_has_link(struct igc_adapter *adapter); void igc_reset(struct igc_adapter *adapter); int igc_set_spd_dplx(struct igc_adapter *adapter, u32 spd, u8 dplx); -int igc_add_mac_steering_filter(struct igc_adapter *adapter, - const u8 *addr, u8 queue, u8 flags); -int igc_del_mac_steering_filter(struct igc_adapter *adapter, - const u8 *addr, u8 queue, u8 flags); void igc_update_stats(struct igc_adapter *adapter); /* igc_dump declarations */ @@ -50,14 +242,10 @@ extern char igc_driver_name[]; extern char igc_driver_version[]; #define IGC_REGS_LEN 740 -#define IGC_RETA_SIZE 128 /* flags controlling PTP/1588 function */ #define IGC_PTP_ENABLED BIT(0) -/* Interrupt defines */ -#define IGC_START_ITR 648 /* ~6000 ints/sec */ - /* Flags definitions */ #define IGC_FLAG_HAS_MSI BIT(0) #define IGC_FLAG_QUEUE_PAIRS BIT(3) @@ -70,6 +258,7 @@ extern char igc_driver_version[]; #define IGC_FLAG_HAS_MSIX BIT(13) #define IGC_FLAG_VLAN_PROMISC BIT(15) #define IGC_FLAG_RX_LEGACY BIT(16) +#define IGC_FLAG_TSN_QBV_ENABLED BIT(17) #define IGC_FLAG_RSS_FIELD_IPV4_UDP BIT(6) #define IGC_FLAG_RSS_FIELD_IPV6_UDP BIT(7) @@ -78,6 +267,7 @@ extern char igc_driver_version[]; #define IGC_MRQC_RSS_FIELD_IPV4_UDP 0x00400000 #define IGC_MRQC_RSS_FIELD_IPV6_UDP 0x00800000 +/* Interrupt defines */ #define IGC_START_ITR 648 /* ~6000 ints/sec */ #define IGC_4K_ITR 980 #define IGC_20K_ITR 196 @@ -99,13 +289,6 @@ extern char igc_driver_version[]; #define IGC_MIN_RXD 80 #define IGC_MAX_RXD 4096 -/* Transmit and receive queues */ -#define IGC_MAX_RX_QUEUES 4 -#define IGC_MAX_TX_QUEUES 4 - -#define MAX_Q_VECTORS 8 -#define MAX_STD_JUMBO_FRAME_SIZE 9216 - /* Supported Rx Buffer Sizes */ #define IGC_RXBUFFER_256 256 #define IGC_RXBUFFER_2048 2048 @@ -232,83 +415,6 @@ struct igc_rx_buffer { __u16 pagecnt_bias; }; -struct igc_tx_queue_stats { - u64 packets; - u64 bytes; - u64 restart_queue; - u64 restart_queue2; -}; - -struct igc_rx_queue_stats { - u64 packets; - u64 bytes; - u64 drops; - u64 csum_err; - u64 alloc_failed; -}; - -struct igc_rx_packet_stats { - u64 ipv4_packets; /* IPv4 headers processed */ - u64 ipv4e_packets; /* IPv4E headers with extensions processed */ - u64 ipv6_packets; /* IPv6 headers processed */ - u64 ipv6e_packets; /* IPv6E headers with extensions processed */ - u64 tcp_packets; /* TCP headers processed */ - u64 udp_packets; /* UDP headers processed */ - u64 sctp_packets; /* SCTP headers processed */ - u64 nfs_packets; /* NFS headers processe */ - u64 other_packets; -}; - -struct igc_ring_container { - struct igc_ring *ring; /* pointer to linked list of rings */ - unsigned int total_bytes; /* total bytes processed this int */ - unsigned int total_packets; /* total packets processed this int */ - u16 work_limit; /* total work allowed per interrupt */ - u8 count; /* total number of rings in vector */ - u8 itr; /* current ITR setting for ring */ -}; - -struct igc_ring { - struct igc_q_vector *q_vector; /* backlink to q_vector */ - struct net_device *netdev; /* back pointer to net_device */ - struct device *dev; /* device for dma mapping */ - union { /* array of buffer info structs */ - struct igc_tx_buffer *tx_buffer_info; - struct igc_rx_buffer *rx_buffer_info; - }; - void *desc; /* descriptor ring memory */ - unsigned long flags; /* ring specific flags */ - void __iomem *tail; /* pointer to ring tail register */ - dma_addr_t dma; /* phys address of the ring */ - unsigned int size; /* length of desc. ring in bytes */ - - u16 count; /* number of desc. in the ring */ - u8 queue_index; /* logical index of the ring*/ - u8 reg_idx; /* physical index of the ring */ - bool launchtime_enable; /* true if LaunchTime is enabled */ - - /* everything past this point are written often */ - u16 next_to_clean; - u16 next_to_use; - u16 next_to_alloc; - - union { - /* TX */ - struct { - struct igc_tx_queue_stats tx_stats; - struct u64_stats_sync tx_syncp; - struct u64_stats_sync tx_syncp2; - }; - /* RX */ - struct { - struct igc_rx_queue_stats rx_stats; - struct igc_rx_packet_stats pkt_stats; - struct u64_stats_sync rx_syncp; - struct sk_buff *skb; - }; - }; -} ____cacheline_internodealigned_in_smp; - struct igc_q_vector { struct igc_adapter *adapter; /* backlink */ void __iomem *itr_register; @@ -329,8 +435,6 @@ struct igc_q_vector { struct igc_ring ring[] ____cacheline_internodealigned_in_smp; }; -#define MAX_ETYPE_FILTER (4 - 1) - enum igc_filter_match_flags { IGC_FILTER_FLAG_ETHER_TYPE = 0x1, IGC_FILTER_FLAG_VLAN_TCI = 0x2, @@ -338,143 +442,25 @@ enum igc_filter_match_flags { IGC_FILTER_FLAG_DST_MAC_ADDR = 0x8, }; -/* RX network flow classification data structure */ -struct igc_nfc_input { - /* Byte layout in order, all values with MSB first: - * match_flags - 1 byte - * etype - 2 bytes - * vlan_tci - 2 bytes - */ +struct igc_nfc_filter { u8 match_flags; - __be16 etype; - __be16 vlan_tci; + u16 etype; + u16 vlan_tci; u8 src_addr[ETH_ALEN]; u8 dst_addr[ETH_ALEN]; }; -struct igc_nfc_filter { - struct hlist_node nfc_node; - struct igc_nfc_input filter; - unsigned long cookie; - u16 etype_reg_index; - u16 sw_idx; +struct igc_nfc_rule { + struct list_head list; + struct igc_nfc_filter filter; + u32 location; u16 action; }; -struct igc_mac_addr { - u8 addr[ETH_ALEN]; - u8 queue; - u8 state; /* bitmask */ -}; - -#define IGC_MAC_STATE_DEFAULT 0x1 -#define IGC_MAC_STATE_IN_USE 0x2 -#define IGC_MAC_STATE_SRC_ADDR 0x4 -#define IGC_MAC_STATE_QUEUE_STEERING 0x8 - -#define IGC_MAX_RXNFC_FILTERS 16 - -/* Board specific private data structure */ -struct igc_adapter { - struct net_device *netdev; - - unsigned long state; - unsigned int flags; - unsigned int num_q_vectors; - - struct msix_entry *msix_entries; - - /* TX */ - u16 tx_work_limit; - u32 tx_timeout_count; - int num_tx_queues; - struct igc_ring *tx_ring[IGC_MAX_TX_QUEUES]; - - /* RX */ - int num_rx_queues; - struct igc_ring *rx_ring[IGC_MAX_RX_QUEUES]; - - struct timer_list watchdog_timer; - struct timer_list dma_err_timer; - struct timer_list phy_info_timer; - - u32 wol; - u32 en_mng_pt; - u16 link_speed; - u16 link_duplex; - - u8 port_num; - - u8 __iomem *io_addr; - /* Interrupt Throttle Rate */ - u32 rx_itr_setting; - u32 tx_itr_setting; - - struct work_struct reset_task; - struct work_struct watchdog_task; - struct work_struct dma_err_task; - bool fc_autoneg; - - u8 tx_timeout_factor; - - int msg_enable; - u32 max_frame_size; - u32 min_frame_size; - - /* OS defined structs */ - struct pci_dev *pdev; - /* lock for statistics */ - spinlock_t stats64_lock; - struct rtnl_link_stats64 stats64; - - /* structs defined in igc_hw.h */ - struct igc_hw hw; - struct igc_hw_stats stats; - - struct igc_q_vector *q_vector[MAX_Q_VECTORS]; - u32 eims_enable_mask; - u32 eims_other; - - u16 tx_ring_count; - u16 rx_ring_count; - - u32 tx_hwtstamp_timeouts; - u32 tx_hwtstamp_skipped; - u32 rx_hwtstamp_cleared; - - u32 rss_queues; - u32 rss_indir_tbl_init; - - /* RX network flow classification support */ - struct hlist_head nfc_filter_list; - struct hlist_head cls_flower_list; - unsigned int nfc_filter_count; - - /* lock for RX network flow classification filter */ - spinlock_t nfc_lock; - bool etype_bitmap[MAX_ETYPE_FILTER]; - - struct igc_mac_addr *mac_table; - - u8 rss_indir_tbl[IGC_RETA_SIZE]; - - unsigned long link_check_timeout; - struct igc_info ei; - - struct ptp_clock *ptp_clock; - struct ptp_clock_info ptp_caps; - struct work_struct ptp_tx_work; - struct sk_buff *ptp_tx_skb; - struct hwtstamp_config tstamp_config; - unsigned long ptp_tx_start; - unsigned long last_rx_ptp_check; - unsigned long last_rx_timestamp; - unsigned int ptp_flags; - /* System time value lock */ - spinlock_t tmreg_lock; - struct cyclecounter cc; - struct timecounter tc; -}; +/* IGC supports a total of 32 NFC rules: 16 MAC address based,, 8 VLAN priority + * based, and 8 ethertype based. + */ +#define IGC_MAX_RXNFC_RULES 32 /* igc_desc_unused - calculate if we have unused descriptors */ static inline u16 igc_desc_unused(const struct igc_ring *ring) @@ -550,12 +536,11 @@ static inline s32 igc_read_phy_reg(struct igc_hw *hw, u32 offset, u16 *data) return 0; } -/* forward declaration */ void igc_reinit_locked(struct igc_adapter *); -int igc_add_filter(struct igc_adapter *adapter, - struct igc_nfc_filter *input); -int igc_erase_filter(struct igc_adapter *adapter, - struct igc_nfc_filter *input); +struct igc_nfc_rule *igc_get_nfc_rule(struct igc_adapter *adapter, + u32 location); +int igc_add_nfc_rule(struct igc_adapter *adapter, struct igc_nfc_rule *rule); +void igc_del_nfc_rule(struct igc_adapter *adapter, struct igc_nfc_rule *rule); void igc_ptp_init(struct igc_adapter *adapter); void igc_ptp_reset(struct igc_adapter *adapter); |