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Exported etharp_request().

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likewise 2004-05-06 02:43:47 +00:00
parent a23f6afbee
commit 2df9cd7262
2 changed files with 4 additions and 3 deletions
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1
src/include/netif/etharp.h
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@ -93,5 +93,6 @@ void etharp_arp_input(struct netif *netif, struct eth_addr *ethaddr,
err_t etharp_output(struct netif *netif, struct ip_addr *ipaddr, err_t etharp_output(struct netif *netif, struct ip_addr *ipaddr,
struct pbuf *q); struct pbuf *q);
err_t etharp_query(struct netif *netif, struct ip_addr *ipaddr, struct pbuf *q); err_t etharp_query(struct netif *netif, struct ip_addr *ipaddr, struct pbuf *q);
err_t etharp_request(struct netif *netif, struct ip_addr *ipaddr);
#endif /* __NETIF_ARP_H__ */ #endif /* __NETIF_ARP_H__ */

6
src/netif/etharp.c
View File

@ -208,10 +208,10 @@ static s8_t find_entry(struct ip_addr *ipaddr, u8_t flags)
for (i = 0; i < ARP_TABLE_SIZE; ++i) { for (i = 0; i < ARP_TABLE_SIZE; ++i) {
/* empty entry? */ /* empty entry? */
if ((empty == ARP_TABLE_SIZE) && arp_table[i].state == ETHARP_STATE_EMPTY)) { if (arp_table[i].state == ETHARP_STATE_EMPTY) {
LWIP_DEBUGF(ETHARP_DEBUG, ("find_entry: found empty entry %d\n", i)); LWIP_DEBUGF(ETHARP_DEBUG, ("find_entry: found empty entry %d\n", i));
/* remember first empty entry */ /* remember first empty entry */
empty = i; if (empty == ARP_TABLE_SIZE) empty = i;
} }
/* pending entry? */ /* pending entry? */
else if (arp_table[i].state == ETHARP_STATE_PENDING) { else if (arp_table[i].state == ETHARP_STATE_PENDING) {
@ -701,7 +701,7 @@ err_t etharp_query(struct netif *netif, struct ip_addr *ipaddr, struct pbuf *q)
result = etharp_request(struct netif *netif, struct ip_addr *ipaddr); result = etharp_request(struct netif *netif, struct ip_addr *ipaddr);
/* find entry in ARP cache */ /* find entry in ARP cache */
i = find_entry(&arp_table[i].ipaddr, q?ETHARP_INSERT:0); i = find_entry(&arp_table[i].ipaddr, q?ETHARP_CREATE:0);
/* could not find or create entry? */ /* could not find or create entry? */
if (i < 0) return (err_t)i; if (i < 0) return (err_t)i;