lwIP + 0/1 examples

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SourceVuESP-IDF Framework and ExampleslwIPdhcp_search_ip_on_mac()

dhcp_search_ip_on_mac() function

Tries to find IP address corresponding to the supplied MAC

Syntax

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Summary

Declaration

Definition

from dhcpserver.h:161

bool dhcp_search_ip_on_mac(dhcps_t *dhcps, u8_t *mac, ip4_addr_t *ip);

Implemented in dhcpserver.c:1511

Arguments

Argument

Description

dhcps

Pointer to the DHCP handle

mac

Supplied MAC address

Pointer to the resultant IP address

Return value

True if the IP address has been found

Related Functions

Found 18 other functions taking a dhcps_t argument:

Function

Description

dhcps_set_option_info()

Sets the DHCP server option info

dhcps_set_new_lease_cb()

Sets callback on assigning an IP to the connected client

dhcps_start()

Starts the DHCP server on the specified network interface

dhcps_stop()

Stops the DHCP server on the specified netif

create_msg()

FunctionName : create_msg Description : create response message Parameters : m -- DHCP message info Returns : none

dhcps_dns_getserver()

Gets DNS server associated with this DHCP server

dhcps_delete()

Deletes supplied DHPC server object @warning This may not delete the handle immediately if the server wasn't stopped properly, but mark for deleting once the timer callback occurs

dhcps_option_info()

Gets the DHCP server option info

dhcps_dns_setserver()

Sets DNS server address for the DHCP server

add_offer_options()

FunctionName : add_offer_options Description : add OFFER option of DHCP message Parameters : optptr -- the addr of DHCP message option Returns : the addr of DHCP message option

dhcps_response_ip_set()

FunctionName : dhcps_response_ip_set Description : set the ip address for sending to the DHCP client Parameters : m -- DHCP message info ip4_out -- ip address for sending Returns : none

dhcps_poll_set()

FunctionName : dhcps_poll_set Description : set ip poll from start to end for station Parameters : ip -- The current ip addr Returns : none

kill_oldest_dhcps_pool()

FunctionName : kill_oldest_dhcps_pool Description : remove the oldest node from list Parameters : none Returns : none

send_offer()

FunctionName : send_offer Description : DHCP message OFFER Response Parameters : m -- DHCP message info Returns : none

send_ack()

FunctionName : send_ack Description : DHCP message ACK Response Parameters : m -- DHCP message info Returns : none

send_nak()

FunctionName : send_nak Description : DHCP message NACK Response Parameters : m -- DHCP message info Returns : none

parse_options()

FunctionName : parse_options Description : parse DHCP message options Parameters : optptr -- DHCP message option info len -- DHCP message option length Returns : none

parse_msg()

FunctionName : parse_msg Description : parse DHCP message from netif Parameters : m -- DHCP message info len -- DHCP message length Returns : DHCP message type