1 files changed, 103 insertions, 0 deletions
diff --git a/drivers/net/ethernet/qlogic/qed/qed_nvmetcp.h b/drivers/net/ethernet/qlogic/qed/qed_nvmetcp.h
new file mode 100644
index 000000000000..e5e9d075bf4f
--- /dev/null
+++ b/drivers/net/ethernet/qlogic/qed/qed_nvmetcp.h
@@ -0,0 +1,103 @@
+/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) */
+/* Copyright 2021 Marvell. All rights reserved. */
+
+#ifndef _QED_NVMETCP_H
+#define _QED_NVMETCP_H
+
+#include <linux/types.h>
+#include <linux/list.h>
+#include <linux/slab.h>
+#include <linux/spinlock.h>
+#include <linux/qed/tcp_common.h>
+#include <linux/qed/qed_nvmetcp_if.h>
+#include <linux/qed/qed_chain.h>
+#include "qed.h"
+#include "qed_hsi.h"
+#include "qed_mcp.h"
+#include "qed_sp.h"
+
+#define QED_NVMETCP_FW_CQ_SIZE (4 * 1024)
+
+/* tcp parameters */
+#define QED_TCP_FLOW_LABEL 0
+#define QED_TCP_TWO_MSL_TIMER 4000
+#define QED_TCP_HALF_WAY_CLOSE_TIMEOUT 10
+#define QED_TCP_MAX_FIN_RT 2
+#define QED_TCP_SWS_TIMER 5000
+
+struct qed_nvmetcp_info {
+	spinlock_t lock; /* Connection resources. */
+	struct list_head free_list;
+	u16 max_num_outstanding_tasks;
+	void *event_context;
+	nvmetcp_event_cb_t event_cb;
+};
+
+struct qed_hash_nvmetcp_con {
+	struct hlist_node node;
+	struct qed_nvmetcp_conn *con;
+};
+
+struct qed_nvmetcp_conn {
+	struct list_head list_entry;
+	bool free_on_delete;
+	u16 conn_id;
+	u32 icid;
+	u32 fw_cid;
+	u8 layer_code;
+	u8 offl_flags;
+	u8 connect_mode;
+	dma_addr_t sq_pbl_addr;
+	struct qed_chain r2tq;
+	struct qed_chain xhq;
+	struct qed_chain uhq;
+	u8 local_mac[6];
+	u8 remote_mac[6];
+	u8 ip_version;
+	u8 ka_max_probe_cnt;
+	u16 vlan_id;
+	u16 tcp_flags;
+	u32 remote_ip[4];
+	u32 local_ip[4];
+	u32 flow_label;
+	u32 ka_timeout;
+	u32 ka_interval;
+	u32 max_rt_time;
+	u8 ttl;
+	u8 tos_or_tc;
+	u16 remote_port;
+	u16 local_port;
+	u16 mss;
+	u8 rcv_wnd_scale;
+	u32 rcv_wnd;
+	u32 cwnd;
+	u8 update_flag;
+	u8 default_cq;
+	u8 abortive_dsconnect;
+	u32 max_seq_size;
+	u32 max_recv_pdu_length;
+	u32 max_send_pdu_length;
+	u32 first_seq_length;
+	u16 physical_q0;
+	u16 physical_q1;
+	u16 nvmetcp_cccid_max_range;
+	dma_addr_t nvmetcp_cccid_itid_table_addr;
+};
+
+#if IS_ENABLED(CONFIG_QED_NVMETCP)
+int qed_nvmetcp_alloc(struct qed_hwfn *p_hwfn);
+void qed_nvmetcp_setup(struct qed_hwfn *p_hwfn);
+void qed_nvmetcp_free(struct qed_hwfn *p_hwfn);
+
+#else /* IS_ENABLED(CONFIG_QED_NVMETCP) */
+static inline int qed_nvmetcp_alloc(struct qed_hwfn *p_hwfn)
+{
+	return -EINVAL;
+}
+
+static inline void qed_nvmetcp_setup(struct qed_hwfn *p_hwfn) {}
+static inline void qed_nvmetcp_free(struct qed_hwfn *p_hwfn) {}
+
+#endif /* IS_ENABLED(CONFIG_QED_NVMETCP) */
+
+#endif