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
39