drivers/net/ethernet/broadcom/bnxt/bnxt_xdp.h

   1 /* Broadcom NetXtreme-C/E network driver.
   2  *
   3  * Copyright (c) 2016-2017 Broadcom Limited
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation.
   8  */
   9
  10 #ifndef BNXT_XDP_H
  11 #define BNXT_XDP_H
  12
  13 DECLARE_STATIC_KEY_FALSE(bnxt_xdp_locking_key);
  14
  15 struct bnxt_sw_tx_bd *bnxt_xmit_bd(struct bnxt *bp,
  16                                    struct bnxt_tx_ring_info *txr,
  17                                    dma_addr_t mapping, u32 len,
  18                                    struct xdp_buff *xdp);
  19 void bnxt_tx_int_xdp(struct bnxt *bp, struct bnxt_napi *bnapi, int nr_pkts);
  20 bool bnxt_rx_xdp(struct bnxt *bp, struct bnxt_rx_ring_info *rxr, u16 cons,
  21                  struct xdp_buff xdp, struct page *page, u8 **data_ptr,
  22                  unsigned int *len, u8 *event);
  23 int bnxt_xdp(struct net_device *dev, struct netdev_bpf *xdp);
  24 int bnxt_xdp_xmit(struct net_device *dev, int num_frames,
  25                   struct xdp_frame **frames, u32 flags);
  26
  27 bool bnxt_xdp_attached(struct bnxt *bp, struct bnxt_rx_ring_info *rxr);
  28
  29 void bnxt_xdp_buff_init(struct bnxt *bp, struct bnxt_rx_ring_info *rxr,
  30                         u16 cons, u8 *data_ptr, unsigned int len,
  31                         struct xdp_buff *xdp);
  32 void bnxt_xdp_buff_frags_free(struct bnxt_rx_ring_info *rxr,
  33                               struct xdp_buff *xdp);
  34 struct sk_buff *bnxt_xdp_build_skb(struct bnxt *bp, struct sk_buff *skb,
  35                                    u8 num_frags, struct page_pool *pool,
  36                                    struct xdp_buff *xdp,
  37                                    struct rx_cmp_ext *rxcmp1);
  38 #endif