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
  8#define PKTS_PER_BATCH 8
  9
 10struct ice_vsi;
 11
 12#ifdef CONFIG_XDP_SOCKETS
 13int ice_xsk_pool_setup(struct ice_vsi *vsi, struct xsk_buff_pool *pool,
 14		       u16 qid);
 15int ice_clean_rx_irq_zc(struct ice_rx_ring *rx_ring,
 16			struct xsk_buff_pool *xsk_pool,
 17			int budget);
 18int ice_xsk_wakeup(struct net_device *netdev, u32 queue_id, u32 flags);
 19bool ice_alloc_rx_bufs_zc(struct ice_rx_ring *rx_ring,
 20			  struct xsk_buff_pool *xsk_pool, u16 count);
 21bool ice_xsk_any_rx_ring_ena(struct ice_vsi *vsi);
 22void ice_xsk_clean_rx_ring(struct ice_rx_ring *rx_ring);
 23void ice_xsk_clean_xdp_ring(struct ice_tx_ring *xdp_ring);
 24bool ice_xmit_zc(struct ice_tx_ring *xdp_ring, struct xsk_buff_pool *xsk_pool);
 25int ice_realloc_rx_xdp_bufs(struct ice_rx_ring *rx_ring, bool pool_present);
 26void ice_qvec_cfg_msix(struct ice_vsi *vsi, struct ice_q_vector *q_vector,
 27		       u16 qid);
 28void ice_qvec_toggle_napi(struct ice_vsi *vsi, struct ice_q_vector *q_vector,
 29			  bool enable);
 30void ice_qvec_ena_irq(struct ice_vsi *vsi, struct ice_q_vector *q_vector);
 31void ice_qvec_dis_irq(struct ice_vsi *vsi, struct ice_rx_ring *rx_ring,
 32		      struct ice_q_vector *q_vector);
 33#else
 34static inline bool ice_xmit_zc(struct ice_tx_ring __always_unused *xdp_ring,
 35			       struct xsk_buff_pool __always_unused *xsk_pool)
 36{
 37	return false;
 38}
 39
 40static inline int
 41ice_xsk_pool_setup(struct ice_vsi __always_unused *vsi,
 42		   struct xsk_buff_pool __always_unused *pool,
 43		   u16 __always_unused qid)
 44{
 45	return -EOPNOTSUPP;
 46}
 47
 48static inline int
 49ice_clean_rx_irq_zc(struct ice_rx_ring __always_unused *rx_ring,
 50		    struct xsk_buff_pool __always_unused *xsk_pool,
 51		    int __always_unused budget)
 52{
 53	return 0;
 54}
 55
 56static inline bool
 57ice_alloc_rx_bufs_zc(struct ice_rx_ring __always_unused *rx_ring,
 58		     struct xsk_buff_pool __always_unused *xsk_pool,
 59		     u16 __always_unused count)
 60{
 61	return false;
 62}
 63
 64static inline bool ice_xsk_any_rx_ring_ena(struct ice_vsi __always_unused *vsi)
 65{
 66	return false;
 67}
 68
 69static inline int
 70ice_xsk_wakeup(struct net_device __always_unused *netdev,
 71	       u32 __always_unused queue_id, u32 __always_unused flags)
 72{
 73	return -EOPNOTSUPP;
 74}
 75
 76static inline void ice_xsk_clean_rx_ring(struct ice_rx_ring *rx_ring) { }
 77static inline void ice_xsk_clean_xdp_ring(struct ice_tx_ring *xdp_ring) { }
 78
 79static inline int
 80ice_realloc_rx_xdp_bufs(struct ice_rx_ring *rx_ring,
 81			bool __always_unused pool_present)
 82{
 83	return 0;
 84}
 85
 86static inline void
 87ice_qvec_cfg_msix(struct ice_vsi *vsi, struct ice_q_vector *q_vector,
 88		  u16 qid) { }
 89
 90static inline void
 91ice_qvec_toggle_napi(struct ice_vsi *vsi, struct ice_q_vector *q_vector,
 92		     bool enable) { }
 93
 94static inline void
 95ice_qvec_ena_irq(struct ice_vsi *vsi, struct ice_q_vector *q_vector) { }
 96
 97static inline void
 98ice_qvec_dis_irq(struct ice_vsi *vsi, struct ice_rx_ring *rx_ring,
 99		 struct ice_q_vector *q_vector) { }
100#endif /* CONFIG_XDP_SOCKETS */
101#endif /* !_ICE_XSK_H_ */