Adding upstream version 6.6.15.upstream/6.6.15

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

1 files changed, 96 insertions, 0 deletions

diff --git a/drivers/net/ethernet/hisilicon/hns/hns_enet.h b/drivers/net/ethernet/hisilicon/hns/hns_enet.h
new file mode 100644
index 0000000000..3f3ee032f6
--- /dev/null
+++ b/drivers/net/ethernet/hisilicon/hns/hns_enet.h
@@ -0,0 +1,96 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * Copyright (c) 2014-2015 Hisilicon Limited.
+ */
+
+#ifndef __HNS_ENET_H
+#define __HNS_ENET_H
+
+#include <linux/netdevice.h>
+#include <linux/of_net.h>
+#include <linux/of_mdio.h>
+#include <linux/timer.h>
+#include <linux/workqueue.h>
+
+#include "hnae.h"
+
+#define HNS_DEBUG_OFFSET	6
+#define HNS_SRV_OFFSET		2
+
+enum hns_nic_state {
+	NIC_STATE_TESTING = 0,
+	NIC_STATE_RESETTING,
+	NIC_STATE_REINITING,
+	NIC_STATE_DOWN,
+	NIC_STATE_DISABLED,
+	NIC_STATE_REMOVING,
+	NIC_STATE_SERVICE_INITED,
+	NIC_STATE_SERVICE_SCHED,
+	NIC_STATE2_RESET_REQUESTED,
+	NIC_STATE_MAX
+};
+
+struct hns_nic_ring_data {
+	struct hnae_ring *ring;
+	struct napi_struct napi;
+	cpumask_t mask; /* affinity mask */
+	u32 queue_index;
+	int (*poll_one)(struct hns_nic_ring_data *, int, void *);
+	void (*ex_process)(struct hns_nic_ring_data *, struct sk_buff *);
+	bool (*fini_process)(struct hns_nic_ring_data *);
+};
+
+/* compatible the difference between two versions */
+struct hns_nic_ops {
+	void (*fill_desc)(struct hnae_ring *ring, void *priv,
+			  int size, dma_addr_t dma, int frag_end,
+			  int buf_num, enum hns_desc_type type, int mtu,
+			  bool is_gso);
+	int (*maybe_stop_tx)(struct sk_buff **out_skb,
+			     int *bnum, struct hnae_ring *ring);
+	void (*get_rxd_bnum)(u32 bnum_flag, int *out_bnum);
+};
+
+struct hns_nic_priv {
+	const struct fwnode_handle      *fwnode;
+	u32 enet_ver;
+	u32 port_id;
+	int phy_mode;
+	int phy_led_val;
+	struct net_device *netdev;
+	struct device *dev;
+	struct hnae_handle *ae_handle;
+
+	struct hns_nic_ops ops;
+
+	/* the cb for nic to manage the ring buffer, the first half of the
+	 * array is for tx_ring and vice versa for the second half
+	 */
+	struct hns_nic_ring_data *ring_data;
+
+	/* The most recently read link state */
+	int link;
+	u64 tx_timeout_count;
+
+	unsigned long state;
+
+	struct timer_list service_timer;
+
+	struct work_struct service_task;
+
+	struct notifier_block notifier_block;
+};
+
+#define tx_ring_data(priv, idx) ((priv)->ring_data[idx])
+#define rx_ring_data(priv, idx) \
+	((priv)->ring_data[(priv)->ae_handle->q_num + (idx)])
+
+void hns_ethtool_set_ops(struct net_device *ndev);
+void hns_nic_net_reset(struct net_device *ndev);
+void hns_nic_net_reinit(struct net_device *netdev);
+int hns_nic_init_phy(struct net_device *ndev, struct hnae_handle *h);
+netdev_tx_t hns_nic_net_xmit_hw(struct net_device *ndev,
+				struct sk_buff *skb,
+				struct hns_nic_ring_data *ring_data);
+
+#endif	/**__HNS_ENET_H */