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Diffstat (limited to 'drivers/net/ethernet/intel/ice/ice_xsk.h')
-rw-r--r--drivers/net/ethernet/intel/ice/ice_xsk.h72
1 files changed, 72 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/ice/ice_xsk.h b/drivers/net/ethernet/intel/ice/ice_xsk.h
new file mode 100644
index 000000000000..3479e1de98fe
--- /dev/null
+++ b/drivers/net/ethernet/intel/ice/ice_xsk.h
@@ -0,0 +1,72 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright (c) 2019, Intel Corporation. */
+
+#ifndef _ICE_XSK_H_
+#define _ICE_XSK_H_
+#include "ice_txrx.h"
+#include "ice.h"
+
+struct ice_vsi;
+
+#ifdef CONFIG_XDP_SOCKETS
+int ice_xsk_umem_setup(struct ice_vsi *vsi, struct xdp_umem *umem, u16 qid);
+void ice_zca_free(struct zero_copy_allocator *zca, unsigned long handle);
+int ice_clean_rx_irq_zc(struct ice_ring *rx_ring, int budget);
+bool ice_clean_tx_irq_zc(struct ice_ring *xdp_ring, int budget);
+int ice_xsk_wakeup(struct net_device *netdev, u32 queue_id, u32 flags);
+bool ice_alloc_rx_bufs_slow_zc(struct ice_ring *rx_ring, u16 count);
+bool ice_xsk_any_rx_ring_ena(struct ice_vsi *vsi);
+void ice_xsk_clean_rx_ring(struct ice_ring *rx_ring);
+void ice_xsk_clean_xdp_ring(struct ice_ring *xdp_ring);
+#else
+static inline int
+ice_xsk_umem_setup(struct ice_vsi __always_unused *vsi,
+ struct xdp_umem __always_unused *umem,
+ u16 __always_unused qid)
+{
+ return -ENOTSUPP;
+}
+
+static inline void
+ice_zca_free(struct zero_copy_allocator __always_unused *zca,
+ unsigned long __always_unused handle)
+{
+}
+
+static inline int
+ice_clean_rx_irq_zc(struct ice_ring __always_unused *rx_ring,
+ int __always_unused budget)
+{
+ return 0;
+}
+
+static inline bool
+ice_clean_tx_irq_zc(struct ice_ring __always_unused *xdp_ring,
+ int __always_unused budget)
+{
+ return false;
+}
+
+static inline bool
+ice_alloc_rx_bufs_slow_zc(struct ice_ring __always_unused *rx_ring,
+ u16 __always_unused count)
+{
+ return false;
+}
+
+static inline bool ice_xsk_any_rx_ring_ena(struct ice_vsi __always_unused *vsi)
+{
+ return false;
+}
+
+static inline int
+ice_xsk_wakeup(struct net_device __always_unused *netdev,
+ u32 __always_unused queue_id, u32 __always_unused flags)
+{
+ return -ENOTSUPP;
+}
+
+#define ice_xsk_clean_rx_ring(rx_ring) do {} while (0)
+#define ice_xsk_clean_xdp_ring(xdp_ring) do {} while (0)
+#endif /* CONFIG_XDP_SOCKETS */
+#endif /* !_ICE_XSK_H_ */