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Add dhcpd VLAN parameter to restrict dhcpd to given VLAN

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logicog
2026-03-09 22:11:29 +01:00
parent aa12adc098
commit 855d587243
6 changed files with 26 additions and 4 deletions
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uip/uip.c
+6 -2
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@@ -924,7 +924,7 @@ uip_process(u8_t flag) __banked
UIP_STAT(++uip_stat.ip.drop);
goto drop;
}
}
}
#else /* UIP_CONF_IPV6 */
/* For IPv6, packet reception is a little trickier as we need to
make sure that we listen to certain multicast addresses (all
@@ -938,7 +938,11 @@ uip_process(u8_t flag) __banked
}
#endif /* UIP_CONF_IPV6 */
}
// If we serve only the designated DHCPD-VLAN, we drop the packet if not in that VLAN
if(BUF->proto == UIP_PROTO_UDP && dhcpd_vlan && UDPBUF->destport == HTONS(DHCP_SERVER_PORT) && dhcpd_vlan != rx_packet_vlan) {
UIP_STAT(++uip_stat.ip.drop);
goto drop;
}
#if !UIP_CONF_IPV6
// if(uip_ipchksum() != 0xffff) { /* Compute and check the IP header
// checksum. */