/* forward declaration */
void igc_set_ethtool_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 (4 - 1)
+#define IGC_RETA_SIZE 128
+
+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;
+
+ /* 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;
+};
void igc_up(struct igc_adapter *adapter);
void igc_down(struct igc_adapter *adapter);
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)
#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
__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 */
-
- 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;
-
struct igc_q_vector {
struct igc_adapter *adapter; /* backlink */
void __iomem *itr_register;
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,
#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;
-
- 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;
-
- /* 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_desc_unused - calculate if we have unused descriptors */
static inline u16 igc_desc_unused(const struct igc_ring *ring)
{
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