dced8ad321
Using ENOTSUPP almost always results in some bizarre error message to be printed in userspace. This is likely because ENOTSUPP was defined for the NFS protocol (as per a comment in include/linux/errno.h). Use EOPNOTSUPP instead. Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com> Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
72 lines
1.9 KiB
C
72 lines
1.9 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/* Copyright (c) 2019, Intel Corporation. */
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#ifndef _ICE_XSK_H_
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#define _ICE_XSK_H_
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#include "ice_txrx.h"
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#include "ice.h"
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struct ice_vsi;
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#ifdef CONFIG_XDP_SOCKETS
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int ice_xsk_umem_setup(struct ice_vsi *vsi, struct xdp_umem *umem, u16 qid);
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void ice_zca_free(struct zero_copy_allocator *zca, unsigned long handle);
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int ice_clean_rx_irq_zc(struct ice_ring *rx_ring, int budget);
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bool ice_clean_tx_irq_zc(struct ice_ring *xdp_ring, int budget);
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int ice_xsk_wakeup(struct net_device *netdev, u32 queue_id, u32 flags);
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bool ice_alloc_rx_bufs_slow_zc(struct ice_ring *rx_ring, u16 count);
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bool ice_xsk_any_rx_ring_ena(struct ice_vsi *vsi);
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void ice_xsk_clean_rx_ring(struct ice_ring *rx_ring);
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void ice_xsk_clean_xdp_ring(struct ice_ring *xdp_ring);
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#else
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static inline int
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ice_xsk_umem_setup(struct ice_vsi __always_unused *vsi,
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struct xdp_umem __always_unused *umem,
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u16 __always_unused qid)
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{
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return -EOPNOTSUPP;
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}
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static inline void
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ice_zca_free(struct zero_copy_allocator __always_unused *zca,
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unsigned long __always_unused handle)
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{
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}
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static inline int
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ice_clean_rx_irq_zc(struct ice_ring __always_unused *rx_ring,
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int __always_unused budget)
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{
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return 0;
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}
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static inline bool
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ice_clean_tx_irq_zc(struct ice_ring __always_unused *xdp_ring,
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int __always_unused budget)
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{
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return false;
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}
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static inline bool
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ice_alloc_rx_bufs_slow_zc(struct ice_ring __always_unused *rx_ring,
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u16 __always_unused count)
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{
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return false;
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}
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static inline bool ice_xsk_any_rx_ring_ena(struct ice_vsi __always_unused *vsi)
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{
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return false;
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}
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static inline int
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ice_xsk_wakeup(struct net_device __always_unused *netdev,
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u32 __always_unused queue_id, u32 __always_unused flags)
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{
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return -EOPNOTSUPP;
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}
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#define ice_xsk_clean_rx_ring(rx_ring) do {} while (0)
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#define ice_xsk_clean_xdp_ring(xdp_ring) do {} while (0)
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#endif /* CONFIG_XDP_SOCKETS */
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#endif /* !_ICE_XSK_H_ */
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