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path: root/drivers/net/igb/igb.h
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Diffstat (limited to 'drivers/net/igb/igb.h')
-rw-r--r--drivers/net/igb/igb.h149
1 files changed, 92 insertions, 57 deletions
diff --git a/drivers/net/igb/igb.h b/drivers/net/igb/igb.h
index 7126fea26fec..b1c1eb88893f 100644
--- a/drivers/net/igb/igb.h
+++ b/drivers/net/igb/igb.h
@@ -55,12 +55,14 @@ struct igb_adapter;
#define IGB_DEFAULT_ITR 3 /* dynamic */
#define IGB_MAX_ITR_USECS 10000
#define IGB_MIN_ITR_USECS 10
+#define NON_Q_VECTORS 1
+#define MAX_Q_VECTORS 8
/* Transmit and receive queues */
-#define IGB_MAX_RX_QUEUES (adapter->vfs_allocated_count ? \
- (adapter->vfs_allocated_count > 6 ? 1 : 2) : 4)
-#define IGB_MAX_TX_QUEUES IGB_MAX_RX_QUEUES
-#define IGB_ABS_MAX_TX_QUEUES 4
+#define IGB_MAX_RX_QUEUES (adapter->vfs_allocated_count ? 2 : \
+ (hw->mac.type > e1000_82575 ? 8 : 4))
+#define IGB_ABS_MAX_TX_QUEUES 8
+#define IGB_MAX_TX_QUEUES IGB_MAX_RX_QUEUES
#define IGB_MAX_VF_MC_ENTRIES 30
#define IGB_MAX_VF_FUNCTIONS 8
@@ -71,9 +73,14 @@ struct vf_data_storage {
u16 vf_mc_hashes[IGB_MAX_VF_MC_ENTRIES];
u16 num_vf_mc_hashes;
u16 vlans_enabled;
- bool clear_to_send;
+ u32 flags;
+ unsigned long last_nack;
};
+#define IGB_VF_FLAG_CTS 0x00000001 /* VF is clear to send data */
+#define IGB_VF_FLAG_UNI_PROMISC 0x00000002 /* VF has unicast promisc */
+#define IGB_VF_FLAG_MULTI_PROMISC 0x00000004 /* VF has multicast promisc */
+
/* RX descriptor control thresholds.
* PTHRESH - MAC will consider prefetch if it has fewer than this number of
* descriptors available in its onboard memory.
@@ -85,17 +92,19 @@ struct vf_data_storage {
* descriptors until either it has this many to write back, or the
* ITR timer expires.
*/
-#define IGB_RX_PTHRESH 16
+#define IGB_RX_PTHRESH (hw->mac.type <= e1000_82576 ? 16 : 8)
#define IGB_RX_HTHRESH 8
#define IGB_RX_WTHRESH 1
+#define IGB_TX_PTHRESH 8
+#define IGB_TX_HTHRESH 1
+#define IGB_TX_WTHRESH ((hw->mac.type == e1000_82576 && \
+ adapter->msix_entries) ? 0 : 16)
/* this is the size past which hardware will drop packets when setting LPE=0 */
#define MAXIMUM_ETHERNET_VLAN_SIZE 1522
/* Supported Rx Buffer Sizes */
#define IGB_RXBUFFER_128 128 /* Used for packet split */
-#define IGB_RXBUFFER_256 256 /* Used for packet split */
-#define IGB_RXBUFFER_512 512
#define IGB_RXBUFFER_1024 1024
#define IGB_RXBUFFER_2048 2048
#define IGB_RXBUFFER_16384 16384
@@ -128,12 +137,13 @@ struct igb_buffer {
unsigned long time_stamp;
u16 length;
u16 next_to_watch;
+ u16 mapped_as_page;
};
/* RX */
struct {
struct page *page;
- u64 page_dma;
- unsigned int page_offset;
+ dma_addr_t page_dma;
+ u16 page_offset;
};
};
};
@@ -141,36 +151,55 @@ struct igb_buffer {
struct igb_tx_queue_stats {
u64 packets;
u64 bytes;
+ u64 restart_queue;
};
struct igb_rx_queue_stats {
u64 packets;
u64 bytes;
u64 drops;
+ u64 csum_err;
+ u64 alloc_failed;
};
-struct igb_ring {
+struct igb_q_vector {
struct igb_adapter *adapter; /* backlink */
- void *desc; /* descriptor ring memory */
- dma_addr_t dma; /* phys address of the ring */
- unsigned int size; /* length of desc. ring in bytes */
- unsigned int count; /* number of desc. in the ring */
- u16 next_to_use;
- u16 next_to_clean;
- u16 head;
- u16 tail;
- struct igb_buffer *buffer_info; /* array of buffer info structs */
+ struct igb_ring *rx_ring;
+ struct igb_ring *tx_ring;
+ struct napi_struct napi;
u32 eims_value;
- u32 itr_val;
- u16 itr_register;
u16 cpu;
- u16 queue_index;
- u16 reg_idx;
+ u16 itr_val;
+ u8 set_itr;
+ u8 itr_shift;
+ void __iomem *itr_register;
+
+ char name[IFNAMSIZ + 9];
+};
+
+struct igb_ring {
+ struct igb_q_vector *q_vector; /* backlink to q_vector */
+ struct net_device *netdev; /* back pointer to net_device */
+ struct pci_dev *pdev; /* pci device for dma mapping */
+ dma_addr_t dma; /* phys address of the ring */
+ void *desc; /* descriptor ring memory */
+ unsigned int size; /* length of desc. ring in bytes */
+ u16 count; /* number of desc. in the ring */
+ u16 next_to_use;
+ u16 next_to_clean;
+ u8 queue_index;
+ u8 reg_idx;
+ void __iomem *head;
+ void __iomem *tail;
+ struct igb_buffer *buffer_info; /* array of buffer info structs */
+
unsigned int total_bytes;
unsigned int total_packets;
+ u32 flags;
+
union {
/* TX */
struct {
@@ -180,16 +209,18 @@ struct igb_ring {
/* RX */
struct {
struct igb_rx_queue_stats rx_stats;
- u64 rx_queue_drops;
- struct napi_struct napi;
- int set_itr;
- struct igb_ring *buddy;
+ u32 rx_buffer_len;
};
};
-
- char name[IFNAMSIZ + 5];
};
+#define IGB_RING_FLAG_RX_CSUM 0x00000001 /* RX CSUM enabled */
+#define IGB_RING_FLAG_RX_SCTP_CSUM 0x00000002 /* SCTP CSUM offload enabled */
+
+#define IGB_RING_FLAG_TX_CTX_IDX 0x00000001 /* HW requires context index */
+
+#define IGB_ADVTXD_DCMD (E1000_TXD_CMD_EOP | E1000_TXD_CMD_RS)
+
#define E1000_RX_DESC_ADV(R, i) \
(&(((union e1000_adv_rx_desc *)((R).desc))[i]))
#define E1000_TX_DESC_ADV(R, i) \
@@ -197,6 +228,15 @@ struct igb_ring {
#define E1000_TX_CTXTDESC_ADV(R, i) \
(&(((struct e1000_adv_tx_context_desc *)((R).desc))[i]))
+/* igb_desc_unused - calculate if we have unused descriptors */
+static inline int igb_desc_unused(struct igb_ring *ring)
+{
+ if (ring->next_to_clean > ring->next_to_use)
+ return ring->next_to_clean - ring->next_to_use - 1;
+
+ return ring->count + ring->next_to_clean - ring->next_to_use - 1;
+}
+
/* board specific private data structure */
struct igb_adapter {
@@ -205,18 +245,14 @@ struct igb_adapter {
struct vlan_group *vlgrp;
u16 mng_vlan_id;
u32 bd_number;
- u32 rx_buffer_len;
u32 wol;
u32 en_mng_pt;
u16 link_speed;
u16 link_duplex;
- unsigned int total_tx_bytes;
- unsigned int total_tx_packets;
- unsigned int total_rx_bytes;
- unsigned int total_rx_packets;
+
/* Interrupt Throttle Rate */
- u32 itr;
- u32 itr_setting;
+ u32 rx_itr_setting;
+ u32 tx_itr_setting;
u16 tx_itr;
u16 rx_itr;
@@ -229,13 +265,7 @@ struct igb_adapter {
/* TX */
struct igb_ring *tx_ring; /* One per active queue */
- unsigned int restart_queue;
unsigned long tx_queue_len;
- u32 txd_cmd;
- u32 gotc;
- u64 gotc_old;
- u64 tpt_old;
- u64 colc_old;
u32 tx_timeout_count;
/* RX */
@@ -243,20 +273,12 @@ struct igb_adapter {
int num_tx_queues;
int num_rx_queues;
- u64 hw_csum_err;
- u64 hw_csum_good;
- u32 alloc_rx_buff_failed;
- u32 gorc;
- u64 gorc_old;
- u16 rx_ps_hdr_size;
u32 max_frame_size;
u32 min_frame_size;
/* OS defined structs */
struct net_device *netdev;
- struct napi_struct napi;
struct pci_dev *pdev;
- struct net_device_stats net_stats;
struct cyclecounter cycles;
struct timecounter clock;
struct timecompare compare;
@@ -273,6 +295,9 @@ struct igb_adapter {
struct igb_ring test_rx_ring;
int msg_enable;
+
+ unsigned int num_q_vectors;
+ struct igb_q_vector *q_vector[MAX_Q_VECTORS];
struct msix_entry *msix_entries;
u32 eims_enable_mask;
u32 eims_other;
@@ -283,18 +308,20 @@ struct igb_adapter {
u32 eeprom_wol;
struct igb_ring *multi_tx_table[IGB_ABS_MAX_TX_QUEUES];
- unsigned int tx_ring_count;
- unsigned int rx_ring_count;
+ u16 tx_ring_count;
+ u16 rx_ring_count;
unsigned int vfs_allocated_count;
struct vf_data_storage *vf_data;
+ u32 rss_queues;
};
#define IGB_FLAG_HAS_MSI (1 << 0)
#define IGB_FLAG_DCA_ENABLED (1 << 1)
#define IGB_FLAG_QUAD_PORT_A (1 << 2)
-#define IGB_FLAG_NEED_CTX_IDX (1 << 3)
-#define IGB_FLAG_RX_CSUM_DISABLED (1 << 4)
+#define IGB_FLAG_QUEUE_PAIRS (1 << 3)
+#define IGB_82576_TSYNC_SHIFT 19
+#define IGB_82580_TSYNC_SHIFT 24
enum e1000_state_t {
__IGB_TESTING,
__IGB_RESETTING,
@@ -314,10 +341,18 @@ extern void igb_down(struct igb_adapter *);
extern void igb_reinit_locked(struct igb_adapter *);
extern void igb_reset(struct igb_adapter *);
extern int igb_set_spd_dplx(struct igb_adapter *, u16);
-extern int igb_setup_tx_resources(struct igb_adapter *, struct igb_ring *);
-extern int igb_setup_rx_resources(struct igb_adapter *, struct igb_ring *);
+extern int igb_setup_tx_resources(struct igb_ring *);
+extern int igb_setup_rx_resources(struct igb_ring *);
extern void igb_free_tx_resources(struct igb_ring *);
extern void igb_free_rx_resources(struct igb_ring *);
+extern void igb_configure_tx_ring(struct igb_adapter *, struct igb_ring *);
+extern void igb_configure_rx_ring(struct igb_adapter *, struct igb_ring *);
+extern void igb_setup_tctl(struct igb_adapter *);
+extern void igb_setup_rctl(struct igb_adapter *);
+extern netdev_tx_t igb_xmit_frame_ring_adv(struct sk_buff *, struct igb_ring *);
+extern void igb_unmap_and_free_tx_resource(struct igb_ring *,
+ struct igb_buffer *);
+extern void igb_alloc_rx_buffers_adv(struct igb_ring *, int);
extern void igb_update_stats(struct igb_adapter *);
extern void igb_set_ethtool_ops(struct net_device *);
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.