/* SPDX-License-Identifier: GPL-2.0 */ /* Copyright(c) 2007 - 2018 Intel Corporation. */ /* Linux PRO/1000 Ethernet Driver main header file */ #ifndef _IGB_H_ #define _IGB_H_ #include "e1000_mac.h" #include "e1000_82575.h" #include <linux/timecounter.h> #include <linux/net_tstamp.h> #include <linux/ptp_clock_kernel.h> #include <linux/bitops.h> #include <linux/if_vlan.h> #include <linux/i2c.h> #include <linux/i2c-algo-bit.h> #include <linux/pci.h> #include <linux/mdio.h> #include <net/xdp.h> struct igb_adapter; #define E1000_PCS_CFG_IGN_SD … /* Interrupt defines */ #define IGB_START_ITR … #define IGB_4K_ITR … #define IGB_20K_ITR … #define IGB_70K_ITR … /* TX/RX descriptor defines */ #define IGB_DEFAULT_TXD … #define IGB_DEFAULT_TX_WORK … #define IGB_MIN_TXD … #define IGB_MAX_TXD … #define IGB_DEFAULT_RXD … #define IGB_MIN_RXD … #define IGB_MAX_RXD … #define IGB_DEFAULT_ITR … #define IGB_MAX_ITR_USECS … #define IGB_MIN_ITR_USECS … #define NON_Q_VECTORS … #define MAX_Q_VECTORS … #define MAX_MSIX_ENTRIES … /* Transmit and receive queues */ #define IGB_MAX_RX_QUEUES … #define IGB_MAX_RX_QUEUES_82575 … #define IGB_MAX_RX_QUEUES_I211 … #define IGB_MAX_TX_QUEUES … #define IGB_MAX_VF_MC_ENTRIES … #define IGB_MAX_VF_FUNCTIONS … #define IGB_MAX_VFTA_ENTRIES … #define IGB_82576_VF_DEV_ID … #define IGB_I350_VF_DEV_ID … /* NVM version defines */ #define IGB_MAJOR_MASK … #define IGB_MINOR_MASK … #define IGB_BUILD_MASK … #define IGB_COMB_VER_MASK … #define IGB_MAJOR_SHIFT … #define IGB_MINOR_SHIFT … #define IGB_COMB_VER_SHFT … #define IGB_NVM_VER_INVALID … #define IGB_ETRACK_SHIFT … #define NVM_ETRACK_WORD … #define NVM_COMB_VER_OFF … #define NVM_COMB_VER_PTR … /* Transmit and receive latency (for PTP timestamps) */ #define IGB_I210_TX_LATENCY_10 … #define IGB_I210_TX_LATENCY_100 … #define IGB_I210_TX_LATENCY_1000 … #define IGB_I210_RX_LATENCY_10 … #define IGB_I210_RX_LATENCY_100 … #define IGB_I210_RX_LATENCY_1000 … /* XDP */ #define IGB_XDP_PASS … #define IGB_XDP_CONSUMED … #define IGB_XDP_TX … #define IGB_XDP_REDIR … struct vf_data_storage { … }; /* Number of unicast MAC filters reserved for the PF in the RAR registers */ #define IGB_PF_MAC_FILTERS_RESERVED … struct vf_mac_filter { … }; #define IGB_VF_FLAG_CTS … #define IGB_VF_FLAG_UNI_PROMISC … #define IGB_VF_FLAG_MULTI_PROMISC … #define IGB_VF_FLAG_PF_SET_MAC … /* RX descriptor control thresholds. * PTHRESH - MAC will consider prefetch if it has fewer than this number of * descriptors available in its onboard memory. * Setting this to 0 disables RX descriptor prefetch. * HTHRESH - MAC will only prefetch if there are at least this many descriptors * available in host memory. * If PTHRESH is 0, this should also be 0. * WTHRESH - RX descriptor writeback threshold - MAC will delay writing back * descriptors until either it has this many to write back, or the * ITR timer expires. */ #define IGB_RX_PTHRESH … #define IGB_RX_HTHRESH … #define IGB_TX_PTHRESH … #define IGB_TX_HTHRESH … #define IGB_RX_WTHRESH … #define IGB_TX_WTHRESH … /* this is the size past which hardware will drop packets when setting LPE=0 */ #define MAXIMUM_ETHERNET_VLAN_SIZE … #define IGB_ETH_PKT_HDR_PAD … /* Supported Rx Buffer Sizes */ #define IGB_RXBUFFER_256 … #define IGB_RXBUFFER_1536 … #define IGB_RXBUFFER_2048 … #define IGB_RXBUFFER_3072 … #define IGB_RX_HDR_LEN … #define IGB_TS_HDR_LEN … /* Attempt to maximize the headroom available for incoming frames. We * use a 2K buffer for receives and need 1536/1534 to store the data for * the frame. This leaves us with 512 bytes of room. From that we need * to deduct the space needed for the shared info and the padding needed * to IP align the frame. * * Note: For cache line sizes 256 or larger this value is going to end * up negative. In these cases we should fall back to the 3K * buffers. */ #if (PAGE_SIZE < 8192) #define IGB_MAX_FRAME_BUILD_SKB … #define IGB_2K_TOO_SMALL_WITH_PADDING … static inline int igb_compute_pad(int rx_buf_len) { … } static inline int igb_skb_pad(void) { … } #define IGB_SKB_PAD … #else #define IGB_SKB_PAD … #endif /* How many Rx Buffers do we bundle into one write to the hardware ? */ #define IGB_RX_BUFFER_WRITE … #define IGB_RX_DMA_ATTR … #define AUTO_ALL_MODES … #define IGB_EEPROM_APME … #ifndef IGB_MASTER_SLAVE /* Switch to override PHY master/slave setting */ #define IGB_MASTER_SLAVE … #endif #define IGB_MNG_VLAN_NONE … enum igb_tx_flags { … }; /* VLAN info */ #define IGB_TX_FLAGS_VLAN_MASK … #define IGB_TX_FLAGS_VLAN_SHIFT … /* The largest size we can write to the descriptor is 65535. In order to * maintain a power of two alignment we have to limit ourselves to 32K. */ #define IGB_MAX_TXD_PWR … #define IGB_MAX_DATA_PER_TXD … /* Tx Descriptors needed, worst case */ #define TXD_USE_COUNT(S) … #define DESC_NEEDED … /* EEPROM byte offsets */ #define IGB_SFF_8472_SWAP … #define IGB_SFF_8472_COMP … /* Bitmasks */ #define IGB_SFF_ADDRESSING_MODE … #define IGB_SFF_8472_UNSUP … /* TX resources are shared between XDP and netstack * and we need to tag the buffer type to distinguish them */ enum igb_tx_buf_type { … }; /* wrapper around a pointer to a socket buffer, * so a DMA handle can be stored along with the buffer */ struct igb_tx_buffer { … }; struct igb_rx_buffer { … }; struct igb_tx_queue_stats { … }; struct igb_rx_queue_stats { … }; struct igb_ring_container { … }; struct igb_ring { … } ____cacheline_internodealigned_in_smp; struct igb_q_vector { … }; enum e1000_ring_flags_t { … }; #define ring_uses_large_buffer(ring) … #define set_ring_uses_large_buffer(ring) … #define clear_ring_uses_large_buffer(ring) … #define ring_uses_build_skb(ring) … #define set_ring_build_skb_enabled(ring) … #define clear_ring_build_skb_enabled(ring) … static inline unsigned int igb_rx_bufsz(struct igb_ring *ring) { … } static inline unsigned int igb_rx_pg_order(struct igb_ring *ring) { … } #define igb_rx_pg_size(_ring) … #define IGB_TXD_DCMD … #define IGB_RX_DESC(R, i) … #define IGB_TX_DESC(R, i) … #define IGB_TX_CTXTDESC(R, i) … /* igb_test_staterr - tests bits within Rx descriptor status and error fields */ static inline __le32 igb_test_staterr(union e1000_adv_rx_desc *rx_desc, const u32 stat_err_bits) { … } /* igb_desc_unused - calculate if we have unused descriptors */ static inline int igb_desc_unused(struct igb_ring *ring) { … } #ifdef CONFIG_IGB_HWMON #define IGB_HWMON_TYPE_LOC … #define IGB_HWMON_TYPE_TEMP … #define IGB_HWMON_TYPE_CAUTION … #define IGB_HWMON_TYPE_MAX … struct hwmon_attr { … }; struct hwmon_buff { … }; #endif /* The number of L2 ether-type filter registers, Index 3 is reserved * for PTP 1588 timestamp */ #define MAX_ETYPE_FILTER … /* ETQF filter list: one static filter per filter consumer. This is * to avoid filter collisions later. Add new filters here!! * * Current filters: Filter 3 */ #define IGB_ETQF_FILTER_1588 … #define IGB_N_EXTTS … #define IGB_N_PEROUT … #define IGB_N_SDP … #define IGB_RETA_SIZE … enum igb_filter_match_flags { … }; #define IGB_MAX_RXNFC_FILTERS … /* RX network flow classification data structure */ struct igb_nfc_input { … }; struct igb_nfc_filter { … }; struct igb_mac_addr { … }; #define IGB_MAC_STATE_DEFAULT … #define IGB_MAC_STATE_IN_USE … #define IGB_MAC_STATE_SRC_ADDR … #define IGB_MAC_STATE_QUEUE_STEERING … /* board specific private data structure */ struct igb_adapter { … }; /* flags controlling PTP/1588 function */ #define IGB_PTP_ENABLED … #define IGB_PTP_OVERFLOW_CHECK … #define IGB_FLAG_HAS_MSI … #define IGB_FLAG_DCA_ENABLED … #define IGB_FLAG_QUAD_PORT_A … #define IGB_FLAG_QUEUE_PAIRS … #define IGB_FLAG_DMAC … #define IGB_FLAG_RSS_FIELD_IPV4_UDP … #define IGB_FLAG_RSS_FIELD_IPV6_UDP … #define IGB_FLAG_WOL_SUPPORTED … #define IGB_FLAG_NEED_LINK_UPDATE … #define IGB_FLAG_MEDIA_RESET … #define IGB_FLAG_MAS_CAPABLE … #define IGB_FLAG_MAS_ENABLE … #define IGB_FLAG_HAS_MSIX … #define IGB_FLAG_EEE … #define IGB_FLAG_VLAN_PROMISC … #define IGB_FLAG_RX_LEGACY … #define IGB_FLAG_FQTSS … /* Media Auto Sense */ #define IGB_MAS_ENABLE_0 … #define IGB_MAS_ENABLE_1 … #define IGB_MAS_ENABLE_2 … #define IGB_MAS_ENABLE_3 … /* DMA Coalescing defines */ #define IGB_MIN_TXPBSIZE … #define IGB_TX_BUF_4096 … #define IGB_DMCTLX_DCFLUSH_DIS … #define IGB_82576_TSYNC_SHIFT … enum e1000_state_t { … }; enum igb_boards { … }; extern char igb_driver_name[]; int igb_xmit_xdp_ring(struct igb_adapter *adapter, struct igb_ring *ring, struct xdp_frame *xdpf); int igb_open(struct net_device *netdev); int igb_close(struct net_device *netdev); int igb_up(struct igb_adapter *); void igb_down(struct igb_adapter *); void igb_reinit_locked(struct igb_adapter *); void igb_reset(struct igb_adapter *); int igb_reinit_queues(struct igb_adapter *); void igb_write_rss_indir_tbl(struct igb_adapter *); int igb_set_spd_dplx(struct igb_adapter *, u32, u8); int igb_setup_tx_resources(struct igb_ring *); int igb_setup_rx_resources(struct igb_ring *); void igb_free_tx_resources(struct igb_ring *); void igb_free_rx_resources(struct igb_ring *); void igb_configure_tx_ring(struct igb_adapter *, struct igb_ring *); void igb_configure_rx_ring(struct igb_adapter *, struct igb_ring *); void igb_setup_tctl(struct igb_adapter *); void igb_setup_rctl(struct igb_adapter *); void igb_setup_srrctl(struct igb_adapter *, struct igb_ring *); netdev_tx_t igb_xmit_frame_ring(struct sk_buff *, struct igb_ring *); void igb_alloc_rx_buffers(struct igb_ring *, u16); void igb_update_stats(struct igb_adapter *); bool igb_has_link(struct igb_adapter *adapter); void igb_set_ethtool_ops(struct net_device *); void igb_power_up_link(struct igb_adapter *); void igb_set_fw_version(struct igb_adapter *); void igb_ptp_init(struct igb_adapter *adapter); void igb_ptp_stop(struct igb_adapter *adapter); void igb_ptp_reset(struct igb_adapter *adapter); void igb_ptp_suspend(struct igb_adapter *adapter); void igb_ptp_rx_hang(struct igb_adapter *adapter); void igb_ptp_tx_hang(struct igb_adapter *adapter); void igb_ptp_rx_rgtstamp(struct igb_q_vector *q_vector, struct sk_buff *skb); int igb_ptp_rx_pktstamp(struct igb_q_vector *q_vector, void *va, ktime_t *timestamp); int igb_ptp_set_ts_config(struct net_device *netdev, struct ifreq *ifr); int igb_ptp_get_ts_config(struct net_device *netdev, struct ifreq *ifr); void igb_set_flag_queue_pairs(struct igb_adapter *, const u32); unsigned int igb_get_max_rss_queues(struct igb_adapter *); #ifdef CONFIG_IGB_HWMON void igb_sysfs_exit(struct igb_adapter *adapter); int igb_sysfs_init(struct igb_adapter *adapter); #endif static inline s32 igb_reset_phy(struct e1000_hw *hw) { … } static inline s32 igb_read_phy_reg(struct e1000_hw *hw, u32 offset, u16 *data) { … } static inline s32 igb_write_phy_reg(struct e1000_hw *hw, u32 offset, u16 data) { … } static inline s32 igb_get_phy_info(struct e1000_hw *hw) { … } static inline struct netdev_queue *txring_txq(const struct igb_ring *tx_ring) { … } int igb_add_filter(struct igb_adapter *adapter, struct igb_nfc_filter *input); int igb_erase_filter(struct igb_adapter *adapter, struct igb_nfc_filter *input); int igb_add_mac_steering_filter(struct igb_adapter *adapter, const u8 *addr, u8 queue, u8 flags); int igb_del_mac_steering_filter(struct igb_adapter *adapter, const u8 *addr, u8 queue, u8 flags); #endif /* _IGB_H_ */
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