LwIP
etharp_request() is only used within LwIP.
 
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CodeScopeSTM32 Libraries and SamplesLwIPetharp_request()

etharp_request() function

Send an ARP request packet asking for ipaddr.

Syntax

err_t etharp_request(struct netif *netif,     const ip4_addr_t *ipaddr);
Implemented in etharp.c:1197

Arguments

netif

the lwip network interface on which to send the request

ipaddr

the IP address for which to ask

Return value

ERR_OK if the request has been sent ERR_MEM if the ARP packet couldn't be allocated any other err_t on failure

References

LocationReferrerText
etharp.c:1198
etharp_request(struct netif *netif, const ip4_addr_t *ipaddr)
etharp.h:83
err_t etharp_request(struct netif *netif, const ip4_addr_t *ipaddr);
etharp.c:228etharp_tmr()
etharp_request(arp_table[i].netif, &arp_table[i].ipaddr);
etharp.c:758etharp_output_to_arp_index()
if (etharp_request(netif, &arp_table[arp_idx].ipaddr) == ERR_OK) {
etharp.c:980etharp_query()
result = etharp_request(netif, ipaddr);
netif.c:891netif_issue_reports()
etharp_gratuitous(netif);

Call Tree

Functions calling etharp_request()
Functions called by etharp_request()
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etharp_request()
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Data read by etharp_request()
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etharp_request()
Type of etharp_request()
etharp_request()
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