/* SPDX-License-Identifier: GPL-2.0 */ /* Copyright(c) 2009 - 2018 Intel Corporation. */ /* Linux PRO/1000 Ethernet Driver main header file */ #ifndef _IGBVF_H_ #define _IGBVF_H_ #include <linux/types.h> #include <linux/timer.h> #include <linux/io.h> #include <linux/netdevice.h> #include <linux/if_vlan.h> #include "vf.h" /* Forward declarations */ struct igbvf_info; struct igbvf_adapter; /* Interrupt defines */ #define IGBVF_START_ITR … #define IGBVF_4K_ITR … #define IGBVF_20K_ITR … #define IGBVF_70K_ITR … enum latency_range { … }; /* Interrupt modes, as used by the IntMode parameter */ #define IGBVF_INT_MODE_LEGACY … #define IGBVF_INT_MODE_MSI … #define IGBVF_INT_MODE_MSIX … /* Tx/Rx descriptor defines */ #define IGBVF_DEFAULT_TXD … #define IGBVF_MAX_TXD … #define IGBVF_MIN_TXD … #define IGBVF_DEFAULT_RXD … #define IGBVF_MAX_RXD … #define IGBVF_MIN_RXD … #define IGBVF_MIN_ITR_USECS … #define IGBVF_MAX_ITR_USECS … /* 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 IGBVF_RX_PTHRESH … #define IGBVF_RX_HTHRESH … #define IGBVF_RX_WTHRESH … /* this is the size past which hardware will drop packets when setting LPE=0 */ #define MAXIMUM_ETHERNET_VLAN_SIZE … #define IGBVF_FC_PAUSE_TIME … /* How many Tx Descriptors do we need to call netif_wake_queue ? */ #define IGBVF_TX_QUEUE_WAKE … /* How many Rx Buffers do we bundle into one write to the hardware ? */ #define IGBVF_RX_BUFFER_WRITE … #define AUTO_ALL_MODES … #define IGBVF_EEPROM_APME … #define IGBVF_MNG_VLAN_NONE … #define IGBVF_MAX_MAC_FILTERS … /* Number of packet split data buffers (not including the header buffer) */ #define PS_PAGE_BUFFERS … enum igbvf_boards { … }; struct igbvf_queue_stats { … }; /* wrappers around a pointer to a socket buffer, * so a DMA handle can be stored along with the buffer */ struct igbvf_buffer { … }; igbvf_desc; struct igbvf_ring { … }; /* board specific private data structure */ struct igbvf_adapter { … }; struct igbvf_info { … }; /* hardware capability, feature, and workaround flags */ #define IGBVF_FLAG_RX_CSUM_DISABLED … #define IGBVF_FLAG_RX_LB_VLAN_BSWAP … #define IGBVF_RX_DESC_ADV(R, i) … #define IGBVF_TX_DESC_ADV(R, i) … #define IGBVF_TX_CTXTDESC_ADV(R, i) … enum igbvf_state_t { … }; extern char igbvf_driver_name[]; void igbvf_set_ethtool_ops(struct net_device *); int igbvf_up(struct igbvf_adapter *); void igbvf_down(struct igbvf_adapter *); void igbvf_reinit_locked(struct igbvf_adapter *); int igbvf_setup_rx_resources(struct igbvf_adapter *, struct igbvf_ring *); int igbvf_setup_tx_resources(struct igbvf_adapter *, struct igbvf_ring *); void igbvf_free_rx_resources(struct igbvf_ring *); void igbvf_free_tx_resources(struct igbvf_ring *); void igbvf_update_stats(struct igbvf_adapter *); extern unsigned int copybreak; #endif /* _IGBVF_H_ */
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