drivers/net/ethernet/intel/ice/ice_xsk.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 /* Copyright (c) 2019, Intel Corporation. */
   3
   4 #ifndef _ICE_XSK_H_
   5 #define _ICE_XSK_H_
   6 #include "ice_txrx.h"
   7 #include "ice.h"
   8
   9 struct ice_vsi;
  10
  11 #ifdef CONFIG_XDP_SOCKETS
  12 int ice_xsk_pool_setup(struct ice_vsi *vsi, struct xsk_buff_pool *pool,
  13                        u16 qid);
  14 int ice_clean_rx_irq_zc(struct ice_ring *rx_ring, int budget);
  15 bool ice_clean_tx_irq_zc(struct ice_ring *xdp_ring, int budget);
  16 int ice_xsk_wakeup(struct net_device *netdev, u32 queue_id, u32 flags);
  17 bool ice_alloc_rx_bufs_zc(struct ice_ring *rx_ring, u16 count);
  18 bool ice_xsk_any_rx_ring_ena(struct ice_vsi *vsi);
  19 void ice_xsk_clean_rx_ring(struct ice_ring *rx_ring);
  20 void ice_xsk_clean_xdp_ring(struct ice_ring *xdp_ring);
  21 #else
  22 static inline int
  23 ice_xsk_pool_setup(struct ice_vsi __always_unused *vsi,
  24                    struct xsk_buff_pool __always_unused *pool,
  25                    u16 __always_unused qid)
  26 {
  27         return -EOPNOTSUPP;
  28 }
  29
  30 static inline int
  31 ice_clean_rx_irq_zc(struct ice_ring __always_unused *rx_ring,
  32                     int __always_unused budget)
  33 {
  34         return 0;
  35 }
  36
  37 static inline bool
  38 ice_clean_tx_irq_zc(struct ice_ring __always_unused *xdp_ring,
  39                     int __always_unused budget)
  40 {
  41         return false;
  42 }
  43
  44 static inline bool
  45 ice_alloc_rx_bufs_zc(struct ice_ring __always_unused *rx_ring,
  46                      u16 __always_unused count)
  47 {
  48         return false;
  49 }
  50
  51 static inline bool ice_xsk_any_rx_ring_ena(struct ice_vsi __always_unused *vsi)
  52 {
  53         return false;
  54 }
  55
  56 static inline int
  57 ice_xsk_wakeup(struct net_device __always_unused *netdev,
  58                u32 __always_unused queue_id, u32 __always_unused flags)
  59 {
  60         return -EOPNOTSUPP;
  61 }
  62
  63 #define ice_xsk_clean_rx_ring(rx_ring) do {} while (0)
  64 #define ice_xsk_clean_xdp_ring(xdp_ring) do {} while (0)
  65 #endif /* CONFIG_XDP_SOCKETS */
  66 #endif /* !_ICE_XSK_H_ */