Adding upstream version 4.19.249.upstream/4.19.249upstream

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

1 files changed, 198 insertions, 0 deletions

diff --git a/drivers/net/ethernet/qlogic/qed/qed_ooo.h b/drivers/net/ethernet/qlogic/qed/qed_ooo.h
new file mode 100644
index 000000000..49c4e75b1
--- /dev/null
+++ b/drivers/net/ethernet/qlogic/qed/qed_ooo.h
@@ -0,0 +1,198 @@
+/* QLogic qed NIC Driver
+ * Copyright (c) 2015-2017  QLogic Corporation
+ *
+ * This software is available to you under a choice of one of two
+ * licenses.  You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ *     Redistribution and use in source and binary forms, with or
+ *     without modification, are permitted provided that the following
+ *     conditions are met:
+ *
+ *      - Redistributions of source code must retain the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer.
+ *
+ *      - Redistributions in binary form must reproduce the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer in the documentation and /or other materials
+ *        provided with the distribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#ifndef _QED_OOO_H
+#define _QED_OOO_H
+#include <linux/types.h>
+#include <linux/list.h>
+#include <linux/slab.h>
+#include "qed.h"
+
+#define QED_MAX_NUM_ISLES	256
+#define QED_MAX_NUM_OOO_HISTORY_ENTRIES	512
+
+#define QED_OOO_LEFT_BUF	0
+#define QED_OOO_RIGHT_BUF	1
+
+struct qed_ooo_buffer {
+	struct list_head list_entry;
+	void *rx_buffer_virt_addr;
+	dma_addr_t rx_buffer_phys_addr;
+	u32 rx_buffer_size;
+	u16 packet_length;
+	u16 parse_flags;
+	u16 vlan;
+	u8 placement_offset;
+};
+
+struct qed_ooo_isle {
+	struct list_head list_entry;
+	struct list_head buffers_list;
+};
+
+struct qed_ooo_archipelago {
+	struct list_head isles_list;
+};
+
+struct qed_ooo_history {
+	struct ooo_opaque *p_cqes;
+	u32 head_idx;
+	u32 num_of_cqes;
+};
+
+struct qed_ooo_info {
+	struct list_head free_buffers_list;
+	struct list_head ready_buffers_list;
+	struct list_head free_isles_list;
+	struct qed_ooo_archipelago *p_archipelagos_mem;
+	struct qed_ooo_isle *p_isles_mem;
+	struct qed_ooo_history ooo_history;
+	u32 cur_isles_number;
+	u32 max_isles_number;
+	u32 gen_isles_number;
+	u16 max_num_archipelagos;
+	u16 cid_base;
+};
+
+#if IS_ENABLED(CONFIG_QED_OOO)
+void qed_ooo_save_history_entry(struct qed_hwfn *p_hwfn,
+				struct qed_ooo_info *p_ooo_info,
+				struct ooo_opaque *p_cqe);
+
+int qed_ooo_alloc(struct qed_hwfn *p_hwfn);
+
+void qed_ooo_setup(struct qed_hwfn *p_hwfn);
+
+void qed_ooo_free(struct qed_hwfn *p_hwfn);
+
+void qed_ooo_release_connection_isles(struct qed_hwfn *p_hwfn,
+				      struct qed_ooo_info *p_ooo_info,
+				      u32 cid);
+
+void qed_ooo_release_all_isles(struct qed_hwfn *p_hwfn,
+			       struct qed_ooo_info *p_ooo_info);
+
+void qed_ooo_put_free_buffer(struct qed_hwfn *p_hwfn,
+			     struct qed_ooo_info *p_ooo_info,
+			     struct qed_ooo_buffer *p_buffer);
+
+struct qed_ooo_buffer *
+qed_ooo_get_free_buffer(struct qed_hwfn *p_hwfn,
+			struct qed_ooo_info *p_ooo_info);
+
+void qed_ooo_put_ready_buffer(struct qed_hwfn *p_hwfn,
+			      struct qed_ooo_info *p_ooo_info,
+			      struct qed_ooo_buffer *p_buffer, u8 on_tail);
+
+struct qed_ooo_buffer *
+qed_ooo_get_ready_buffer(struct qed_hwfn *p_hwfn,
+			 struct qed_ooo_info *p_ooo_info);
+
+void qed_ooo_delete_isles(struct qed_hwfn *p_hwfn,
+			  struct qed_ooo_info *p_ooo_info,
+			  u32 cid, u8 drop_isle, u8 drop_size);
+
+void qed_ooo_add_new_isle(struct qed_hwfn *p_hwfn,
+			  struct qed_ooo_info *p_ooo_info,
+			  u32 cid,
+			  u8 ooo_isle, struct qed_ooo_buffer *p_buffer);
+
+void qed_ooo_add_new_buffer(struct qed_hwfn *p_hwfn,
+			    struct qed_ooo_info *p_ooo_info,
+			    u32 cid,
+			    u8 ooo_isle,
+			    struct qed_ooo_buffer *p_buffer, u8 buffer_side);
+
+void qed_ooo_join_isles(struct qed_hwfn *p_hwfn,
+			struct qed_ooo_info *p_ooo_info, u32 cid,
+			u8 left_isle);
+#else /* IS_ENABLED(CONFIG_QED_ISCSI) */
+static inline void qed_ooo_save_history_entry(struct qed_hwfn *p_hwfn,
+					      struct qed_ooo_info *p_ooo_info,
+					      struct ooo_opaque *p_cqe) {}
+
+static inline int qed_ooo_alloc(struct qed_hwfn *p_hwfn)
+{
+	return -EINVAL;
+}
+
+static inline void qed_ooo_setup(struct qed_hwfn *p_hwfn) {}
+
+static inline void qed_ooo_free(struct qed_hwfn *p_hwfn) {}
+
+static inline void
+qed_ooo_release_connection_isles(struct qed_hwfn *p_hwfn,
+				 struct qed_ooo_info *p_ooo_info,
+				 u32 cid) {}
+
+static inline void qed_ooo_release_all_isles(struct qed_hwfn *p_hwfn,
+					     struct qed_ooo_info *p_ooo_info)
+					     {}
+
+static inline void qed_ooo_put_free_buffer(struct qed_hwfn *p_hwfn,
+					   struct qed_ooo_info *p_ooo_info,
+					   struct qed_ooo_buffer *p_buffer) {}
+
+static inline struct qed_ooo_buffer *
+qed_ooo_get_free_buffer(struct qed_hwfn *p_hwfn,
+			struct qed_ooo_info *p_ooo_info) { return NULL; }
+
+static inline void qed_ooo_put_ready_buffer(struct qed_hwfn *p_hwfn,
+					    struct qed_ooo_info *p_ooo_info,
+					    struct qed_ooo_buffer *p_buffer,
+					    u8 on_tail) {}
+
+static inline struct qed_ooo_buffer *
+qed_ooo_get_ready_buffer(struct qed_hwfn *p_hwfn,
+			 struct qed_ooo_info *p_ooo_info) { return NULL; }
+
+static inline void qed_ooo_delete_isles(struct qed_hwfn *p_hwfn,
+					struct qed_ooo_info *p_ooo_info,
+					u32 cid, u8 drop_isle, u8 drop_size) {}
+
+static inline void qed_ooo_add_new_isle(struct qed_hwfn *p_hwfn,
+					struct qed_ooo_info *p_ooo_info,
+					u32 cid, u8 ooo_isle,
+					struct qed_ooo_buffer *p_buffer) {}
+
+static inline void qed_ooo_add_new_buffer(struct qed_hwfn *p_hwfn,
+					  struct qed_ooo_info *p_ooo_info,
+					  u32 cid, u8 ooo_isle,
+					  struct qed_ooo_buffer *p_buffer,
+					  u8 buffer_side) {}
+
+static inline void qed_ooo_join_isles(struct qed_hwfn *p_hwfn,
+				      struct qed_ooo_info *p_ooo_info, u32 cid,
+				      u8 left_isle) {}
+#endif /* IS_ENABLED(CONFIG_QED_ISCSI) */
+
+#endif