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Data Fields |
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uint8_t | op |
| | Message op-code / message type.
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uint8_t | htype |
| | Hardware address type (Ethernet=1).
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uint8_t | hlen |
| | Hardware address length (Ethernet=6 byte MAC addr).
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uint8_t | hops |
| | hop count (client set to zero)
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uint32_t | xid |
| | Transaction ID (randomly chosen by client, must remain same).
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uint16_t | secs |
| | Seconds elapsed since DHCP negotiation began (filled by client).
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uint16_t | flags |
| | Flags.
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uint32_t | ciaddr |
| | Client IP address (filled only if already bound, renewing, or rebinding).
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uint32_t | yiaddr |
| | 'Your' IP address (client)
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uint32_t | siaddr |
| | Server IP address.
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uint32_t | giaddr |
| | Gateway IP address.
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uint8_t | chaddr [16] |
| | Client Hardware Address.
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uint8_t | sname [64] |
| | Server Host Name.
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uint8_t | file [128] |
| | Boot file name (null-term string).
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