85 lines
2.0 KiB
C
85 lines
2.0 KiB
C
//
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// Created by xajhuang on 2023/4/20.
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//
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#ifndef VCPE_DHCP_NETWORK_H
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#define VCPE_DHCP_NETWORK_H
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#include <uv.h>
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#include <linux/if_packet.h>
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#include "network/vlan.h"
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#include "service/dhcpd.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define MAC_TO_STR(mac, str) \
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sprintf(str, "%02X:%02X:%02X:%02X:%02X:%02X", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5])
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#define PKG_MMAP_BLOCKSIZ (1 << 22)
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#define PKG_MMAP_FRAMESIZ (1 << 11)
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#define PKG_MMAP_BLOCKNUM (64)
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typedef struct {
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int sock;
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struct sockaddr_ll addr;
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struct iovec *rx;
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struct iovec *tx;
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uint8_t *map_recv;
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uint8_t *map_send;
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struct tpacket_req3 recv;
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struct tpacket_req3 send;
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unsigned int index;
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} PACKET_MMAP_RING, *PPACKET_MMAP_RING;
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typedef struct {
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char *pIfName;
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U32 ipAddr;
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U32 netmask;
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U8 macAddr[ETH_ALEN];
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S8 hostname[MAX_PATH];
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} NIC_INFO, *PNIC_INFO;
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struct block_desc {
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uint32_t version;
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uint32_t offset_to_priv;
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struct tpacket_hdr_v1 h1;
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};
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typedef struct {
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uv_work_cb work_cb;
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uv_after_work_cb after_work_cb;
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} RECV_CB_DATA, *PRECV_CB_DATA;
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#pragma pack(1)
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typedef struct {
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VLAN_PKG_HDR vlan_hdr;
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DHCP_PROTO dhcp;
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} DHCP_PACKAGE, *PDHCP_PACKAGE;
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typedef struct {
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uv_work_t uvWork;
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unsigned short nSize;
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unsigned char *pPkgBase;
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void *pData;
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} PKG_PROCESS_INFO, *PPKG_PROCESS_INFO;
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typedef struct {
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unsigned int nf;
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PPKG_PROCESS_INFO pPkgInfo;
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} PKG_MSG, *PPKG_MSG;
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#pragma pack()
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void raw_sock_recv_cb(uv_poll_t *handle, int status, int events);
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void socket_send_task(uv_timer_t *UNUSED(pArg));
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void init_raw_socket_poll(void *pRecv, void *pClean);
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int create_udp_raw_socket(const char *pNicName);
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void init_filter(const char *pNetFilter);
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void *get_pkg_free_buf();
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U32 pkg_mmap_tx(U8 *pData, U32 nBytes);
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int dhcp_uninit();
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#ifdef __cplusplus
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}
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#endif
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#endif //VCPE_DHCP_NETWORK_H
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