180 lines
4.9 KiB
C
180 lines
4.9 KiB
C
/*
|
|
* 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_LL2_H__
|
|
#define __ECORE_LL2_H__
|
|
|
|
#include "ecore.h"
|
|
#include "ecore_hsi_eth.h"
|
|
#include "ecore_chain.h"
|
|
#include "ecore_hsi_common.h"
|
|
#include "ecore_ll2_api.h"
|
|
#include "ecore_sp_api.h"
|
|
|
|
/* ECORE LL2: internal structures and functions*/
|
|
#define ECORE_MAX_NUM_OF_LL2_CONNECTIONS (4)
|
|
|
|
static OSAL_INLINE u8 ecore_ll2_handle_to_queue_id(struct ecore_hwfn *p_hwfn,
|
|
u8 handle)
|
|
{
|
|
return p_hwfn->hw_info.resc_start[ECORE_LL2_QUEUE] + handle;
|
|
}
|
|
|
|
struct ecore_ll2_rx_packet
|
|
{
|
|
osal_list_entry_t list_entry;
|
|
struct core_rx_bd_with_buff_len *rxq_bd;
|
|
dma_addr_t rx_buf_addr;
|
|
u16 buf_length;
|
|
void *cookie;
|
|
u8 placement_offset;
|
|
u16 parse_flags;
|
|
u16 packet_length;
|
|
u16 vlan;
|
|
u32 opaque_data[2];
|
|
};
|
|
|
|
struct ecore_ll2_tx_packet
|
|
{
|
|
osal_list_entry_t list_entry;
|
|
u16 bd_used;
|
|
bool notify_fw;
|
|
void *cookie;
|
|
struct {
|
|
struct core_tx_bd *txq_bd;
|
|
dma_addr_t tx_frag;
|
|
u16 frag_len;
|
|
} bds_set[1];
|
|
/* Flexible Array of bds_set determined by max_bds_per_packet */
|
|
};
|
|
|
|
struct ecore_ll2_rx_queue {
|
|
osal_spinlock_t lock;
|
|
struct ecore_chain rxq_chain;
|
|
struct ecore_chain rcq_chain;
|
|
u8 rx_sb_index;
|
|
bool b_cb_registred;
|
|
__le16 *p_fw_cons;
|
|
osal_list_t active_descq;
|
|
osal_list_t free_descq;
|
|
osal_list_t posting_descq;
|
|
struct ecore_ll2_rx_packet *descq_array;
|
|
void OSAL_IOMEM *set_prod_addr;
|
|
};
|
|
|
|
struct ecore_ll2_tx_queue {
|
|
osal_spinlock_t lock;
|
|
struct ecore_chain txq_chain;
|
|
u8 tx_sb_index;
|
|
bool b_cb_registred;
|
|
__le16 *p_fw_cons;
|
|
osal_list_t active_descq;
|
|
osal_list_t free_descq;
|
|
osal_list_t sending_descq;
|
|
struct ecore_ll2_tx_packet *descq_array;
|
|
struct ecore_ll2_tx_packet *cur_send_packet;
|
|
struct ecore_ll2_tx_packet cur_completing_packet;
|
|
u16 cur_completing_bd_idx;
|
|
void OSAL_IOMEM *doorbell_addr;
|
|
u16 bds_idx;
|
|
u16 cur_send_frag_num;
|
|
u16 cur_completing_frag_num;
|
|
bool b_completing_packet;
|
|
};
|
|
|
|
struct ecore_ll2_info {
|
|
osal_mutex_t mutex;
|
|
enum ecore_ll2_conn_type conn_type;
|
|
u32 cid;
|
|
u8 my_id;
|
|
u8 queue_id;
|
|
u8 tx_stats_id;
|
|
bool b_active;
|
|
u16 mtu;
|
|
u8 rx_drop_ttl0_flg;
|
|
u8 rx_vlan_removal_en;
|
|
u8 tx_tc;
|
|
u8 tx_max_bds_per_packet;
|
|
enum core_tx_dest tx_dest;
|
|
enum core_error_handle ai_err_packet_too_big;
|
|
enum core_error_handle ai_err_no_buf;
|
|
u8 gsi_enable;
|
|
u8 tx_stats_en;
|
|
u8 main_func_queue;
|
|
struct ecore_ll2_rx_queue rx_queue;
|
|
struct ecore_ll2_tx_queue tx_queue;
|
|
struct ecore_ll2_cbs cbs;
|
|
};
|
|
|
|
/**
|
|
* @brief ecore_ll2_alloc - Allocates LL2 connections set
|
|
*
|
|
* @param p_hwfn
|
|
*
|
|
* @return enum _ecore_status_t
|
|
*/
|
|
enum _ecore_status_t ecore_ll2_alloc(struct ecore_hwfn *p_hwfn);
|
|
|
|
/**
|
|
* @brief ecore_ll2_setup - Inits LL2 connections set
|
|
*
|
|
* @param p_hwfn
|
|
*
|
|
*/
|
|
void ecore_ll2_setup(struct ecore_hwfn *p_hwfn);
|
|
|
|
/**
|
|
* @brief ecore_ll2_free - Releases LL2 connections set
|
|
*
|
|
* @param p_hwfn
|
|
*
|
|
*/
|
|
void ecore_ll2_free(struct ecore_hwfn *p_hwfn);
|
|
|
|
/**
|
|
* @brief ecore_ll2_get_fragment_of_tx_packet
|
|
*
|
|
* @param p_hwfn
|
|
* @param connection_handle LL2 connection's handle
|
|
* obtained from
|
|
* ecore_ll2_require_connection
|
|
* @param addr
|
|
* @param last_fragment)
|
|
*
|
|
* @return enum _ecore_status_t
|
|
*/
|
|
enum _ecore_status_t
|
|
ecore_ll2_get_fragment_of_tx_packet(struct ecore_hwfn *p_hwfn,
|
|
u8 connection_handle,
|
|
dma_addr_t *addr,
|
|
bool *last_fragment);
|
|
|
|
#endif /*__ECORE_LL2_H__*/
|