Adding upstream version 6.1.76.upstream/6.1.76

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 81 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 000000000..6fa181f08
--- /dev/null
+++ b/drivers/net/ethernet/intel/ice/ice_xsk.h
@@ -0,0 +1,81 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright (c) 2019, Intel Corporation. */
+
+#ifndef _ICE_XSK_H_
+#define _ICE_XSK_H_
+#include "ice_txrx.h"
+
+#define PKTS_PER_BATCH 8
+
+#ifdef __clang__
+#define loop_unrolled_for _Pragma("clang loop unroll_count(8)") for
+#elif __GNUC__ >= 8
+#define loop_unrolled_for _Pragma("GCC unroll 8") for
+#else
+#define loop_unrolled_for for
+#endif
+
+struct ice_vsi;
+
+#ifdef CONFIG_XDP_SOCKETS
+int ice_xsk_pool_setup(struct ice_vsi *vsi, struct xsk_buff_pool *pool,
+		       u16 qid);
+int ice_clean_rx_irq_zc(struct ice_rx_ring *rx_ring, int budget);
+int ice_xsk_wakeup(struct net_device *netdev, u32 queue_id, u32 flags);
+bool ice_alloc_rx_bufs_zc(struct ice_rx_ring *rx_ring, u16 count);
+bool ice_xsk_any_rx_ring_ena(struct ice_vsi *vsi);
+void ice_xsk_clean_rx_ring(struct ice_rx_ring *rx_ring);
+void ice_xsk_clean_xdp_ring(struct ice_tx_ring *xdp_ring);
+bool ice_xmit_zc(struct ice_tx_ring *xdp_ring);
+int ice_realloc_zc_buf(struct ice_vsi *vsi, bool zc);
+#else
+static inline bool ice_xmit_zc(struct ice_tx_ring __always_unused *xdp_ring)
+{
+	return false;
+}
+
+static inline int
+ice_xsk_pool_setup(struct ice_vsi __always_unused *vsi,
+		   struct xsk_buff_pool __always_unused *pool,
+		   u16 __always_unused qid)
+{
+	return -EOPNOTSUPP;
+}
+
+static inline int
+ice_clean_rx_irq_zc(struct ice_rx_ring __always_unused *rx_ring,
+		    int __always_unused budget)
+{
+	return 0;
+}
+
+static inline bool
+ice_alloc_rx_bufs_zc(struct ice_rx_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 -EOPNOTSUPP;
+}
+
+static inline void ice_xsk_clean_rx_ring(struct ice_rx_ring *rx_ring) { }
+static inline void ice_xsk_clean_xdp_ring(struct ice_tx_ring *xdp_ring) { }
+
+static inline int
+ice_realloc_zc_buf(struct ice_vsi __always_unused *vsi,
+		   bool __always_unused zc)
+{
+	return 0;
+}
+#endif /* CONFIG_XDP_SOCKETS */
+#endif /* !_ICE_XSK_H_ */