/*
* Copyright (c) 2009-2011, Broadcom Corporation
* Copyright (c) 2014, QLogic Corporation
*
* Written by: Benjamin Li (benli@broadcom.com)
*
* 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Adam Dunkels.
* 4. The name of the author may not be used to endorse or promote
* products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
*
* packet.h - packet definitions
*
*/
#include <errno.h>
#ifndef __PACKET_H__
#define __PACKET_H__
#include "nic.h"
#define STD_MTU_SIZE 1500
struct nic;
struct nic_interface;
typedef struct packet {
struct packet *next;
uint32_t flags;
#define VLAN_TAGGED 0x0001
uint16_t vlan_tag;
size_t max_buf_size;
size_t buf_size;
uint8_t *data_link_layer;
uint8_t *network_layer;
struct nic *nic;
struct nic_interface *nic_iface;
void *priv;
uint8_t buf[];
} packet_t;
/******************************************************************************
* Packet Function Declarations
*****************************************************************************/
int alloc_free_queue(struct nic *, size_t num_of_packets);
void free_free_queue(struct nic *);
void reset_packet(packet_t *pkt);
#endif /* __PACKET_H__ */