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path: root/drivers/net/ethernet/intel/igb/igb.h
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Diffstat (limited to 'drivers/net/ethernet/intel/igb/igb.h')
-rw-r--r--drivers/net/ethernet/intel/igb/igb.h112
1 files changed, 65 insertions, 47 deletions
diff --git a/drivers/net/ethernet/intel/igb/igb.h b/drivers/net/ethernet/intel/igb/igb.h
index 8aad230c0592..17f1686ee411 100644
--- a/drivers/net/ethernet/intel/igb/igb.h
+++ b/drivers/net/ethernet/intel/igb/igb.h
@@ -34,16 +34,16 @@
#include "e1000_mac.h"
#include "e1000_82575.h"
-#ifdef CONFIG_IGB_PTP
#include <linux/clocksource.h>
#include <linux/net_tstamp.h>
#include <linux/ptp_clock_kernel.h>
-#endif /* CONFIG_IGB_PTP */
#include <linux/bitops.h>
#include <linux/if_vlan.h>
struct igb_adapter;
+#define E1000_PCS_CFG_IGN_SD 1
+
/* Interrupt defines */
#define IGB_START_ITR 648 /* ~6000 ints/sec */
#define IGB_4K_ITR 980
@@ -132,9 +132,10 @@ struct vf_data_storage {
#define MAXIMUM_ETHERNET_VLAN_SIZE 1522
/* Supported Rx Buffer Sizes */
-#define IGB_RXBUFFER_256 256
-#define IGB_RXBUFFER_16384 16384
-#define IGB_RX_HDR_LEN IGB_RXBUFFER_256
+#define IGB_RXBUFFER_256 256
+#define IGB_RXBUFFER_2048 2048
+#define IGB_RX_HDR_LEN IGB_RXBUFFER_256
+#define IGB_RX_BUFSZ IGB_RXBUFFER_2048
/* How many Tx Descriptors do we need to call netif_wake_queue ? */
#define IGB_TX_QUEUE_WAKE 16
@@ -151,11 +152,18 @@ struct vf_data_storage {
#define IGB_MNG_VLAN_NONE -1
-#define IGB_TX_FLAGS_CSUM 0x00000001
-#define IGB_TX_FLAGS_VLAN 0x00000002
-#define IGB_TX_FLAGS_TSO 0x00000004
-#define IGB_TX_FLAGS_IPV4 0x00000008
-#define IGB_TX_FLAGS_TSTAMP 0x00000010
+enum igb_tx_flags {
+ /* cmd_type flags */
+ IGB_TX_FLAGS_VLAN = 0x01,
+ IGB_TX_FLAGS_TSO = 0x02,
+ IGB_TX_FLAGS_TSTAMP = 0x04,
+
+ /* olinfo flags */
+ IGB_TX_FLAGS_IPV4 = 0x10,
+ IGB_TX_FLAGS_CSUM = 0x20,
+};
+
+/* VLAN info */
#define IGB_TX_FLAGS_VLAN_MASK 0xffff0000
#define IGB_TX_FLAGS_VLAN_SHIFT 16
@@ -174,11 +182,9 @@ struct igb_tx_buffer {
};
struct igb_rx_buffer {
- struct sk_buff *skb;
dma_addr_t dma;
struct page *page;
- dma_addr_t page_dma;
- u32 page_offset;
+ unsigned int page_offset;
};
struct igb_tx_queue_stats {
@@ -205,22 +211,6 @@ struct igb_ring_container {
u8 itr; /* current ITR setting for ring */
};
-struct igb_q_vector {
- struct igb_adapter *adapter; /* backlink */
- int cpu; /* CPU for DCA */
- u32 eims_value; /* EIMS mask value */
-
- struct igb_ring_container rx, tx;
-
- struct napi_struct napi;
-
- u16 itr_val;
- u8 set_itr;
- 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 */
@@ -232,15 +222,17 @@ struct igb_ring {
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 */
- u32 size; /* length of desc. ring in bytes */
/* everything past this point are written often */
- u16 next_to_clean ____cacheline_aligned_in_smp;
+ u16 next_to_clean;
u16 next_to_use;
+ u16 next_to_alloc;
union {
/* TX */
@@ -251,12 +243,30 @@ struct igb_ring {
};
/* RX */
struct {
+ struct sk_buff *skb;
struct igb_rx_queue_stats rx_stats;
struct u64_stats_sync rx_syncp;
};
};
- /* Items past this point are only used during ring alloc / free */
- dma_addr_t dma; /* phys address of the ring */
+} ____cacheline_internodealigned_in_smp;
+
+struct igb_q_vector {
+ struct igb_adapter *adapter; /* backlink */
+ int cpu; /* CPU for DCA */
+ u32 eims_value; /* EIMS mask value */
+
+ u16 itr_val;
+ u8 set_itr;
+ void __iomem *itr_register;
+
+ struct igb_ring_container rx, tx;
+
+ struct napi_struct napi;
+ struct rcu_head rcu; /* to avoid race with update stats on free */
+ char name[IFNAMSIZ + 9];
+
+ /* for dynamic allocation of rings associated with this q_vector */
+ struct igb_ring ring[0] ____cacheline_internodealigned_in_smp;
};
enum e1000_ring_flags_t {
@@ -362,8 +372,6 @@ struct igb_adapter {
u32 eims_other;
/* to not mess up cache alignment, always add to the bottom */
- u32 eeprom_wol;
-
u16 tx_ring_count;
u16 rx_ring_count;
unsigned int vfs_allocated_count;
@@ -373,7 +381,6 @@ struct igb_adapter {
u32 wvbr;
u32 *shadow_vfta;
-#ifdef CONFIG_IGB_PTP
struct ptp_clock *ptp_clock;
struct ptp_clock_info ptp_caps;
struct delayed_work ptp_overflow_work;
@@ -382,17 +389,19 @@ struct igb_adapter {
spinlock_t tmreg_lock;
struct cyclecounter cc;
struct timecounter tc;
-#endif /* CONFIG_IGB_PTP */
char fw_version[32];
};
-#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_QUEUE_PAIRS (1 << 3)
-#define IGB_FLAG_DMAC (1 << 4)
-#define IGB_FLAG_PTP (1 << 5)
+#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_QUEUE_PAIRS (1 << 3)
+#define IGB_FLAG_DMAC (1 << 4)
+#define IGB_FLAG_PTP (1 << 5)
+#define IGB_FLAG_RSS_FIELD_IPV4_UDP (1 << 6)
+#define IGB_FLAG_RSS_FIELD_IPV6_UDP (1 << 7)
+#define IGB_FLAG_WOL_SUPPORTED (1 << 8)
/* DMA Coalescing defines */
#define IGB_MIN_TXPBSIZE 20408
@@ -436,18 +445,27 @@ extern bool igb_has_link(struct igb_adapter *adapter);
extern void igb_set_ethtool_ops(struct net_device *);
extern void igb_power_up_link(struct igb_adapter *);
extern void igb_set_fw_version(struct igb_adapter *);
-#ifdef CONFIG_IGB_PTP
extern void igb_ptp_init(struct igb_adapter *adapter);
extern void igb_ptp_stop(struct igb_adapter *adapter);
extern void igb_ptp_reset(struct igb_adapter *adapter);
extern void igb_ptp_tx_work(struct work_struct *work);
extern void igb_ptp_tx_hwtstamp(struct igb_adapter *adapter);
-extern void igb_ptp_rx_hwtstamp(struct igb_q_vector *q_vector,
- union e1000_adv_rx_desc *rx_desc,
+extern void igb_ptp_rx_rgtstamp(struct igb_q_vector *q_vector,
+ struct sk_buff *skb);
+extern void igb_ptp_rx_pktstamp(struct igb_q_vector *q_vector,
+ unsigned char *va,
struct sk_buff *skb);
+static inline void igb_ptp_rx_hwtstamp(struct igb_q_vector *q_vector,
+ union e1000_adv_rx_desc *rx_desc,
+ struct sk_buff *skb)
+{
+ if (igb_test_staterr(rx_desc, E1000_RXDADV_STAT_TS) &&
+ !igb_test_staterr(rx_desc, E1000_RXDADV_STAT_TSIP))
+ igb_ptp_rx_rgtstamp(q_vector, skb);
+}
+
extern int igb_ptp_hwtstamp_ioctl(struct net_device *netdev,
struct ifreq *ifr, int cmd);
-#endif /* CONFIG_IGB_PTP */
static inline s32 igb_reset_phy(struct e1000_hw *hw)
{
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.