1 files changed, 104 insertions, 2 deletions
diff --git a/include/net/libeth/types.h b/include/net/libeth/types.h
index 603825e45133..cf1d78a9dc38 100644
--- a/include/net/libeth/types.h
+++ b/include/net/libeth/types.h
@@ -1,10 +1,32 @@
 /* SPDX-License-Identifier: GPL-2.0-only */
-/* Copyright (C) 2024 Intel Corporation */
+/* Copyright (C) 2024-2025 Intel Corporation */
 
 #ifndef __LIBETH_TYPES_H
 #define __LIBETH_TYPES_H
 
-#include <linux/types.h>
+#include <linux/workqueue.h>
+
+/* Stats */
+
+/**
+ * struct libeth_rq_napi_stats - "hot" counters to update in Rx polling loop
+ * @packets: received frames counter
+ * @bytes: sum of bytes of received frames above
+ * @fragments: sum of fragments of received S/G frames
+ * @hsplit: number of frames the device performed the header split for
+ * @raw: alias to access all the fields as an array
+ */
+struct libeth_rq_napi_stats {
+	union {
+		struct {
+							u32 packets;
+							u32 bytes;
+							u32 fragments;
+							u32 hsplit;
+		};
+		DECLARE_FLEX_ARRAY(u32, raw);
+	};
+};
 
 /**
  * struct libeth_sq_napi_stats - "hot" counters to update in Tx completion loop
@@ -22,4 +44,84 @@ struct libeth_sq_napi_stats {
 	};
 };
 
+/**
+ * struct libeth_xdpsq_napi_stats - "hot" counters to update in XDP Tx
+ *				    completion loop
+ * @packets: completed frames counter
+ * @bytes: sum of bytes of completed frames above
+ * @fragments: sum of fragments of completed S/G frames
+ * @raw: alias to access all the fields as an array
+ */
+struct libeth_xdpsq_napi_stats {
+	union {
+		struct {
+							u32 packets;
+							u32 bytes;
+							u32 fragments;
+		};
+		DECLARE_FLEX_ARRAY(u32, raw);
+	};
+};
+
+/* XDP */
+
+/*
+ * The following structures should be embedded into driver's queue structure
+ * and passed to the libeth_xdp helpers, never used directly.
+ */
+
+/* XDPSQ sharing */
+
+/**
+ * struct libeth_xdpsq_lock - locking primitive for sharing XDPSQs
+ * @lock: spinlock for locking the queue
+ * @share: whether this particular queue is shared
+ */
+struct libeth_xdpsq_lock {
+	spinlock_t			lock;
+	bool				share;
+};
+
+/* XDPSQ clean-up timers */
+
+/**
+ * struct libeth_xdpsq_timer - timer for cleaning up XDPSQs w/o interrupts
+ * @xdpsq: queue this timer belongs to
+ * @lock: lock for the queue
+ * @dwork: work performing cleanups
+ *
+ * XDPSQs not using interrupts but lazy cleaning, i.e. only when there's no
+ * space for sending the current queued frame/bulk, must fire up timers to
+ * make sure there are no stale buffers to free.
+ */
+struct libeth_xdpsq_timer {
+	void				*xdpsq;
+	struct libeth_xdpsq_lock	*lock;
+
+	struct delayed_work		dwork;
+};
+
+/* Rx polling path */
+
+/**
+ * struct libeth_xdp_buff_stash - struct for stashing &xdp_buff onto a queue
+ * @data: pointer to the start of the frame, xdp_buff.data
+ * @headroom: frame headroom, xdp_buff.data - xdp_buff.data_hard_start
+ * @len: frame linear space length, xdp_buff.data_end - xdp_buff.data
+ * @frame_sz: truesize occupied by the frame, xdp_buff.frame_sz
+ * @flags: xdp_buff.flags
+ *
+ * &xdp_buff is 56 bytes long on x64, &libeth_xdp_buff is 64 bytes. This
+ * structure carries only necessary fields to save/restore a partially built
+ * frame on the queue structure to finish it during the next NAPI poll.
+ */
+struct libeth_xdp_buff_stash {
+	void				*data;
+	u16				headroom;
+	u16				len;
+
+	u32				frame_sz:24;
+	u32				flags:8;
+} __aligned_largest;
+
 #endif /* __LIBETH_TYPES_H */