mirror of
https://github.com/Telecominfraproject/wlan-ap.git
synced 2025-11-02 03:17:48 +00:00
c5793bae3a
1. Added userspace application udhcpinject to inject DHCP option 82 transparently 2. Added README.md for example usage Fixes: WIFI-14018 Signed-off-by: alex18_huang <alex18_huang@accton.com>
47 lines
887 B
C
47 lines
887 B
C
#include <stdint.h>
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#include <netinet/in.h>
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#define LEN_ESSID 32
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#define LEN_BSSID 12
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#define LEN_IFACE 15
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// DHCP header structure
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struct dhcp_packet {
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uint8_t op;
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uint8_t htype;
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uint8_t hlen;
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uint8_t hops;
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uint32_t xid;
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uint16_t secs;
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uint16_t flags;
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struct in_addr ciaddr;
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struct in_addr yiaddr;
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struct in_addr siaddr;
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struct in_addr giaddr;
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uint8_t chaddr[16];
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char sname[64];
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char file[128];
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uint32_t magic;
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uint8_t options[];
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};
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// Structure to hold interface info
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struct iface_info {
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char iface[LEN_IFACE + 1];
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char essid[LEN_ESSID + 1];
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char bssid[LEN_BSSID + 1];
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int serial;
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};
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struct port_info {
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char name[LEN_IFACE + 1];
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int sock;
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int ifindex;
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};
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// VLAN header structure
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struct vlan_hdr {
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__be16 h_vlan_TCI; // VLAN Tag Control Information
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__be16 h_vlan_encapsulated_proto; // Encapsulated protocol
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};
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