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Make it possible to receive multicast UDP packets

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This commit is contained in:
adamdunkels 2010-04-30 07:19:33 +00:00
parent a1f69138d1
commit 798f1c63bd
1 changed files with 8 additions and 6 deletions
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14
core/net/uip6.c
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@ -41,7 +41,7 @@
*
* This file is part of the uIP TCP/IP stack.
*
* $Id: uip6.c,v 1.16 2010/03/16 15:45:20 nifi Exp $
* $Id: uip6.c,v 1.17 2010/04/30 07:19:33 adamdunkels Exp $
*
*/
@ -1015,7 +1015,8 @@ uip_process(u8_t flag)
}
}
#endif /* UIP_UDP */
/* This is where the input processing starts. */
UIP_STAT(++uip_stat.ip.recv);
@ -1028,7 +1029,6 @@ uip_process(u8_t flag)
UIP_LOG("ipv6: invalid version.");
goto drop;
}
/*
* Check the size of the packet. If the size reported to us in
* uip_len is smaller the size reported in the IP header, we assume
@ -1116,7 +1116,8 @@ uip_process(u8_t flag)
}
#else /* UIP_CONF_ROUTER */
if(!uip_ds6_is_my_addr(&UIP_IP_BUF->destipaddr) &&
!uip_ds6_is_my_maddr(&UIP_IP_BUF->destipaddr)) {
!uip_ds6_is_my_maddr(&UIP_IP_BUF->destipaddr) &&
!uip_is_addr_mcast(&UIP_IP_BUF->destipaddr)) {
PRINTF("Dropping packet, not for me\n");
UIP_STAT(++uip_stat.ip.drop);
goto drop;
@ -1368,7 +1369,8 @@ uip_process(u8_t flag)
if(UIP_UDP_BUF->udpchksum != 0 && uip_udpchksum() != 0xffff) {
UIP_STAT(++uip_stat.udp.drop);
UIP_STAT(++uip_stat.udp.chkerr);
UIP_LOG("udp: bad checksum.");
PRINTF("udp: bad checksum 0x%04x 0x%04x\n", UIP_UDP_BUF->udpchksum,
uip_udpchksum());
goto drop;
}
#else /* UIP_UDP_CHECKSUMS */
@ -1377,7 +1379,7 @@ uip_process(u8_t flag)
/* Make sure that the UDP destination port number is not zero. */
if(UIP_UDP_BUF->destport == 0) {
UIP_LOG("udp: zero port.");
PRINTF("udp: zero port.\n");
goto drop;
}