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/*
*
* Copyright (c) 2018 Huawei Technologies Co.,Ltd.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef STACKX_PBUF_COMM_H
#define STACKX_PBUF_COMM_H
#include "types.h"
#ifdef __cplusplus
/* *INDENT-OFF* */
extern "C" {
/* *INDENT-ON* */
#endif
#define SPL_PBUF_TRANSPORT_HLEN 20
#define SPL_PBUF_UDP_HLEN 8
#define SPL_PBUF_IP_HLEN 20
#define SPL_PBUF_VLAN_HLEN 0
#ifndef SPL_PBUF_LINK_HLEN
#define SPL_PBUF_LINK_HLEN (14 + SPL_PBUF_VLAN_HLEN)
#endif
typedef enum spl_pbuf_layer
{
SPL_PBUF_TRANSPORT,
SPL_PBUF_UDP,
SPL_PBUF_IP,
SPL_PBUF_LINK,
SPL_PBUF_RAW,
SPL_PBUF_MAX_LAYER,
} spl_pbuf_layer;
typedef enum spl_pbuf_type
{
SPL_PBUF_RAM, /* pbuf data is stored in RAM */
SPL_PBUF_ROM, /* pbuf data is stored in ROM */
SPL_PBUF_REF, /* pbuf comes from the pbuf pool */
SPL_PBUF_POOL, /* pbuf payload refers to RAM */
SPL_PBUF_HUGE /* pbuf is stored in HugePage memory in struct common_mem_mbuf */
} spl_pbuf_type;
enum spl_pbuf_proto
{
SPL_PBUF_PROTO_NONE,
SPL_PBUF_TCP_SEND,
SPL_PBUF_TCP_RECV
} spl_pbuf_proto;
typedef struct spl_pbuf
{
/** next pbuf in singly linked pbuf chain */
union
{
struct spl_pbuf *next;
u64 next_a;
};
/** pointer to the actual data in the buffer */
union
{
void *payload;
u64 payload_a;
};
union
{
void *msg;
u64 msg_a;
};
union
{
void *conn;
u64 conn_a;
};
struct spl_pbuf *freeNext; // This pointer will point to next pbuf you want to free in stackx
u32 tot_len;
u32 len;
int proto_type;
u16 ref;
u8 type;
u8 flags;
nsfw_res res_chk;
} spl_pbuf;
#ifdef __cplusplus
/* *INDENT-OFF* */
}
/* *INDENT-ON* */
#endif
#endif
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