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/*
* Copyright (c) 2017-2018 Cavium, Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* $FreeBSD$
*
*/
#ifndef __ECORE_OOO_H__
#define __ECORE_OOO_H__
#include "ecore.h"
#define ECORE_MAX_NUM_ISLES 256
#define ECORE_MAX_NUM_OOO_HISTORY_ENTRIES 512
#define ECORE_OOO_LEFT_BUF 0
#define ECORE_OOO_RIGHT_BUF 1
struct ecore_ooo_buffer {
osal_list_entry_t 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 ecore_ooo_isle {
osal_list_entry_t list_entry;
osal_list_t buffers_list;
};
struct ecore_ooo_archipelago {
osal_list_t isles_list;
};
struct ecore_ooo_history {
struct ooo_opaque *p_cqes;
u32 head_idx;
u32 num_of_cqes;
};
struct ecore_ooo_info {
osal_list_t free_buffers_list;
osal_list_t ready_buffers_list;
osal_list_t free_isles_list;
struct ecore_ooo_archipelago *p_archipelagos_mem;
struct ecore_ooo_isle *p_isles_mem;
struct ecore_ooo_history ooo_history;
u32 cur_isles_number;
u32 max_isles_number;
u32 gen_isles_number;
u16 max_num_archipelagos;
u16 cid_base;
};
enum _ecore_status_t ecore_ooo_alloc(struct ecore_hwfn *p_hwfn);
void ecore_ooo_setup(struct ecore_hwfn *p_hwfn);
void ecore_ooo_free(struct ecore_hwfn *p_hwfn);
void ecore_ooo_save_history_entry(struct ecore_ooo_info *p_ooo_info,
struct ooo_opaque *p_cqe);
void ecore_ooo_release_connection_isles(struct ecore_ooo_info *p_ooo_info,
u32 cid);
void ecore_ooo_release_all_isles(struct ecore_ooo_info *p_ooo_info);
void ecore_ooo_put_free_buffer(struct ecore_ooo_info *p_ooo_info,
struct ecore_ooo_buffer *p_buffer);
struct ecore_ooo_buffer *
ecore_ooo_get_free_buffer(struct ecore_ooo_info *p_ooo_info);
void ecore_ooo_put_ready_buffer(struct ecore_ooo_info *p_ooo_info,
struct ecore_ooo_buffer *p_buffer, u8 on_tail);
struct ecore_ooo_buffer *
ecore_ooo_get_ready_buffer(struct ecore_ooo_info *p_ooo_info);
void ecore_ooo_delete_isles(struct ecore_hwfn *p_hwfn,
struct ecore_ooo_info *p_ooo_info,
u32 cid,
u8 drop_isle,
u8 drop_size);
void ecore_ooo_add_new_isle(struct ecore_hwfn *p_hwfn,
struct ecore_ooo_info *p_ooo_info,
u32 cid,
u8 ooo_isle,
struct ecore_ooo_buffer *p_buffer);
void ecore_ooo_add_new_buffer(struct ecore_hwfn *p_hwfn,
struct ecore_ooo_info *p_ooo_info,
u32 cid,
u8 ooo_isle,
struct ecore_ooo_buffer *p_buffer,
u8 buffer_side);
void ecore_ooo_join_isles(struct ecore_hwfn *p_hwfn,
struct ecore_ooo_info *p_ooo_info,
u32 cid,
u8 left_isle);
void ecore_ooo_dump_rx_event(struct ecore_hwfn *p_hwfn,
struct ooo_opaque *iscsi_ooo,
struct ecore_ooo_buffer *p_buffer);
#endif /*__ECORE_OOO_H__*/
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