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Implement UDP dual-stack PCB support

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Create special IP address type "IPADDR_TYPE_ANY" for it.
SNMP uses new feature in non-netconn mode.

TODO: Same for TCP & RAW, adapt NETCONN to use this feature
This commit is contained in:
Dirk Ziegelmeier
2016-02-24 22:33:05 +01:00
parent 1dde3d6e56
commit 953b7bdd59
8 changed files with 62 additions and 35 deletions
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7
src/apps/snmp/snmp_raw.c
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@@ -84,13 +84,16 @@ snmp_get_local_ip_for_dst(void* handle, const ip_addr_t *dst, ip_addr_t *result)
void
snmp_init(void)
{
struct udp_pcb *snmp_pcb = udp_new();
err_t err;
struct udp_pcb *snmp_pcb = udp_new_ip_type(IPADDR_TYPE_ANY);
LWIP_ERROR("snmp_raw: no PCB", (snmp_pcb != NULL), return;);
snmp_traps_handle = snmp_pcb;
udp_recv(snmp_pcb, snmp_recv, (void *)SNMP_IN_PORT);
udp_bind(snmp_pcb, IP_ADDR_ANY, SNMP_IN_PORT);
err = udp_bind(snmp_pcb, IP_ANY_TYPE, SNMP_IN_PORT);
LWIP_ERROR("snmp_raw: Unable to bind PCB", (err == ERR_OK), return;);
}
#endif /* LWIP_SNMP && SNMP_USE_RAW */