48 lines
1.5 KiB
C
48 lines
1.5 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later
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*
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* Linux driver for VMware's vmxnet3 ethernet NIC.
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* Copyright (C) 2008-2023, VMware, Inc. All Rights Reserved.
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* Maintained by: pv-drivers@vmware.com
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*
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*/
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#ifndef _VMXNET3_XDP_H
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#define _VMXNET3_XDP_H
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#include <linux/filter.h>
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#include <linux/bpf_trace.h>
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#include <linux/netlink.h>
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#include "vmxnet3_int.h"
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#define VMXNET3_XDP_HEADROOM (XDP_PACKET_HEADROOM + NET_IP_ALIGN)
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#define VMXNET3_XDP_RX_TAILROOM SKB_DATA_ALIGN(sizeof(struct skb_shared_info))
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#define VMXNET3_XDP_RX_OFFSET VMXNET3_XDP_HEADROOM
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#define VMXNET3_XDP_MAX_FRSIZE (PAGE_SIZE - VMXNET3_XDP_HEADROOM - \
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VMXNET3_XDP_RX_TAILROOM)
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#define VMXNET3_XDP_MAX_MTU (VMXNET3_XDP_MAX_FRSIZE - ETH_HLEN - \
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2 * VLAN_HLEN - ETH_FCS_LEN)
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int vmxnet3_xdp(struct net_device *netdev, struct netdev_bpf *bpf);
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int vmxnet3_xdp_xmit(struct net_device *dev, int n, struct xdp_frame **frames,
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u32 flags);
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int vmxnet3_process_xdp(struct vmxnet3_adapter *adapter,
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struct vmxnet3_rx_queue *rq,
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struct Vmxnet3_RxCompDesc *rcd,
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struct vmxnet3_rx_buf_info *rbi,
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struct Vmxnet3_RxDesc *rxd,
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struct sk_buff **skb_xdp_pass);
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int vmxnet3_process_xdp_small(struct vmxnet3_adapter *adapter,
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struct vmxnet3_rx_queue *rq,
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void *data, int len,
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struct sk_buff **skb_xdp_pass);
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void *vmxnet3_pp_get_buff(struct page_pool *pp, dma_addr_t *dma_addr,
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gfp_t gfp_mask);
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static inline bool vmxnet3_xdp_enabled(struct vmxnet3_adapter *adapter)
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{
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return !!rcu_access_pointer(adapter->xdp_bpf_prog);
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}
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#endif
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