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1/* SPDX-License-Identifier: GPL-2.0-or-later2 *3 * Linux driver for VMware's vmxnet3 ethernet NIC.4 * Copyright (C) 2008-2023, VMware, Inc. All Rights Reserved.5 * Maintained by: pv-drivers@vmware.com6 *7 */8 9#ifndef _VMXNET3_XDP_H10#define _VMXNET3_XDP_H11 12#include <linux/filter.h>13#include <linux/bpf_trace.h>14#include <linux/netlink.h>15 16#include "vmxnet3_int.h"17 18#define VMXNET3_XDP_HEADROOM (XDP_PACKET_HEADROOM + NET_IP_ALIGN)19#define VMXNET3_XDP_RX_TAILROOM SKB_DATA_ALIGN(sizeof(struct skb_shared_info))20#define VMXNET3_XDP_RX_OFFSET VMXNET3_XDP_HEADROOM21#define VMXNET3_XDP_MAX_FRSIZE (PAGE_SIZE - VMXNET3_XDP_HEADROOM - \22 VMXNET3_XDP_RX_TAILROOM)23#define VMXNET3_XDP_MAX_MTU (VMXNET3_XDP_MAX_FRSIZE - ETH_HLEN - \24 2 * VLAN_HLEN - ETH_FCS_LEN)25 26int vmxnet3_xdp(struct net_device *netdev, struct netdev_bpf *bpf);27int vmxnet3_xdp_xmit(struct net_device *dev, int n, struct xdp_frame **frames,28 u32 flags);29int vmxnet3_process_xdp(struct vmxnet3_adapter *adapter,30 struct vmxnet3_rx_queue *rq,31 struct Vmxnet3_RxCompDesc *rcd,32 struct vmxnet3_rx_buf_info *rbi,33 struct Vmxnet3_RxDesc *rxd,34 struct sk_buff **skb_xdp_pass);35int vmxnet3_process_xdp_small(struct vmxnet3_adapter *adapter,36 struct vmxnet3_rx_queue *rq,37 void *data, int len,38 struct sk_buff **skb_xdp_pass);39void *vmxnet3_pp_get_buff(struct page_pool *pp, dma_addr_t *dma_addr,40 gfp_t gfp_mask);41 42static inline bool vmxnet3_xdp_enabled(struct vmxnet3_adapter *adapter)43{44 return !!rcu_access_pointer(adapter->xdp_bpf_prog);45}46 47#endif48