62 lines
1.6 KiB
C
62 lines
1.6 KiB
C
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/*
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**********************************************************************************************
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* File: pio_packet_queue.h
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* Description: pio packet queue structure and api
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* Authors: Liu WenTan <liuwentan@geedgenetworks.com>
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* Date: 2022-07-15
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* Copyright: (c) 2018-2022 Geedge Networks, Inc. All rights reserved.
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***********************************************************************************************
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*/
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#pragma once
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#include <stdint.h>
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#define PKT_QUEUE_MAX_NUM 256
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#define CUSTOM_ZONE_LEN 64
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#define ETHERNET_HEADER_LEN 14
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#define DEFAULT_MTU 1500
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#define DEFAULT_PACKET_SIZE (CUSTOM_ZONE_LEN + DEFAULT_MTU + ETHERNET_HEADER_LEN)
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#define SIZE_OF_PIO_PACKET (DEFAULT_PACKET_SIZE + sizeof(struct pio_packet))
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/*
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* @brief pcap_live/pcap_file mode packet structure
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*
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* |<-pkt_hdr |<-pkt_payload
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* | |
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* | struct pio_packet | custom zone | L2 header | ...... |
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* 64bytes 14bytes 1500bytes
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*
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* custom zone: user can set custom field
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* pkt_payload: received packet data
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**/
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struct pio_packet {
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/* pkt header pointer */
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void *pkt_hdr;
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/* pkt length */
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uint64_t pkt_len;
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/* pkt payload pointer */
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void *pkt_payload;
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/* reference counts */
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uint64_t ref_cnt;
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struct pio_packet *prev;
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struct pio_packet *next;
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};
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struct pio_packet_queue {
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struct pio_packet *top;
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struct pio_packet *bot;
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uint32_t len;
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pthread_mutex_t mutex_q;
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};
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void pio_packet_enqueue(struct pio_packet_queue *, struct pio_packet *);
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struct pio_packet *pio_packet_dequeue(struct pio_packet_queue *);
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void release_pio_packet_queue(struct pio_packet_queue *);
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