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_umem_setup(struct ice_vsi *vsi, struct xdp_umem *umem, u16 qid);
  13 void ice_zca_free(struct zero_copy_allocator *zca, unsigned long handle);
  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_slow_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_umem_setup(struct ice_vsi __always_unused *vsi,
  24                    struct xdp_umem __always_unused *umem,
  25                    u16 __always_unused qid)
  26 {
  27         return -EOPNOTSUPP;
  28 }
  29
  30 static inline void
  31 ice_zca_free(struct zero_copy_allocator __always_unused *zca,
  32              unsigned long __always_unused handle)
  33 {
  34 }
  35
  36 static inline int
  37 ice_clean_rx_irq_zc(struct ice_ring __always_unused *rx_ring,
  38                     int __always_unused budget)
  39 {
  40         return 0;
  41 }
  42
  43 static inline bool
  44 ice_clean_tx_irq_zc(struct ice_ring __always_unused *xdp_ring,
  45                     int __always_unused budget)
  46 {
  47         return false;
  48 }
  49
  50 static inline bool
  51 ice_alloc_rx_bufs_slow_zc(struct ice_ring __always_unused *rx_ring,
  52                           u16 __always_unused count)
  53 {
  54         return false;
  55 }
  56
  57 static inline bool ice_xsk_any_rx_ring_ena(struct ice_vsi __always_unused *vsi)
  58 {
  59         return false;
  60 }
  61
  62 static inline int
  63 ice_xsk_wakeup(struct net_device __always_unused *netdev,
  64                u32 __always_unused queue_id, u32 __always_unused flags)
  65 {
  66         return -EOPNOTSUPP;
  67 }
  68
  69 #define ice_xsk_clean_rx_ring(rx_ring) do {} while (0)
  70 #define ice_xsk_clean_xdp_ring(xdp_ring) do {} while (0)
  71 #endif /* CONFIG_XDP_SOCKETS */
  72 #endif /* !_ICE_XSK_H_ */