diff options
Diffstat (limited to 'drivers/net/vmxnet3/vmxnet3_xdp.h')
| -rw-r--r-- | drivers/net/vmxnet3/vmxnet3_xdp.h | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/drivers/net/vmxnet3/vmxnet3_xdp.h b/drivers/net/vmxnet3/vmxnet3_xdp.h new file mode 100644 index 000000000000..f9d843e060a3 --- /dev/null +++ b/drivers/net/vmxnet3/vmxnet3_xdp.h @@ -0,0 +1,47 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later + * + * Linux driver for VMware's vmxnet3 ethernet NIC. + * Copyright (C) 2008-2023, VMware, Inc. All Rights Reserved. + * Maintained by: pv-drivers@vmware.com + * + */ + +#ifndef _VMXNET3_XDP_H +#define _VMXNET3_XDP_H + +#include <linux/filter.h> +#include <linux/bpf_trace.h> +#include <linux/netlink.h> + +#include "vmxnet3_int.h" + +#define VMXNET3_XDP_HEADROOM (XDP_PACKET_HEADROOM + NET_IP_ALIGN) +#define VMXNET3_XDP_RX_TAILROOM SKB_DATA_ALIGN(sizeof(struct skb_shared_info)) +#define VMXNET3_XDP_RX_OFFSET VMXNET3_XDP_HEADROOM +#define VMXNET3_XDP_MAX_FRSIZE (PAGE_SIZE - VMXNET3_XDP_HEADROOM - \ + VMXNET3_XDP_RX_TAILROOM) +#define VMXNET3_XDP_MAX_MTU (VMXNET3_XDP_MAX_FRSIZE - ETH_HLEN - \ + 2 * VLAN_HLEN - ETH_FCS_LEN) + +int vmxnet3_xdp(struct net_device *netdev, struct netdev_bpf *bpf); +int vmxnet3_xdp_xmit(struct net_device *dev, int n, struct xdp_frame **frames, + u32 flags); +int vmxnet3_process_xdp(struct vmxnet3_adapter *adapter, + struct vmxnet3_rx_queue *rq, + struct Vmxnet3_RxCompDesc *rcd, + struct vmxnet3_rx_buf_info *rbi, + struct Vmxnet3_RxDesc *rxd, + struct sk_buff **skb_xdp_pass); +int vmxnet3_process_xdp_small(struct vmxnet3_adapter *adapter, + struct vmxnet3_rx_queue *rq, + void *data, int len, + struct sk_buff **skb_xdp_pass); +void *vmxnet3_pp_get_buff(struct page_pool *pp, dma_addr_t *dma_addr, + gfp_t gfp_mask); + +static inline bool vmxnet3_xdp_enabled(struct vmxnet3_adapter *adapter) +{ + return !!rcu_access_pointer(adapter->xdp_bpf_prog); +} + +#endif |