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Merge branch 'develop' into fix-missing-llhlen

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Simon Duquennoy 2017-12-12 16:12:20 +01:00 committed by GitHub
commit efb1f13c9e
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2 changed files with 8 additions and 12 deletions
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7
os/net/ipv6/tcpip.c
View File

@ -472,12 +472,7 @@ output_fallback(void)
#ifdef UIP_FALLBACK_INTERFACE
LOG_INFO("fallback: removing ext hdrs & setting proto %d %d\n",
uip_ext_len, *((uint8_t *)UIP_IP_BUF + 40));
if(uip_ext_len > 0) {
uint8_t proto = *((uint8_t *)UIP_IP_BUF + 40);
remove_ext_hdr();
/* This should be copied from the ext header... */
UIP_IP_BUF->proto = proto;
}
remove_ext_hdr();
/* Inform the other end that the destination is not reachable. If it's
* not informed routes might get lost unexpectedly until there's a need
* to send a new packet to the peer */

13
os/net/ipv6/uip6.c
View File

@ -523,6 +523,7 @@ uip_connect(const uip_ipaddr_t *ripaddr, uint16_t rport)
void
remove_ext_hdr(void)
{
int last_uip_ext_len;
/* Remove ext header before TCP/UDP processing. */
if(uip_ext_len > 0) {
LOG_DBG("Cutting ext-header before processing (extlen: %d, uiplen: %d)\n",
@ -532,15 +533,17 @@ remove_ext_hdr(void)
uip_clear_buf();
return;
}
memmove(((uint8_t *)UIP_TCP_BUF), (uint8_t *)UIP_TCP_BUF + uip_ext_len,
uip_len - UIP_IPH_LEN - uip_ext_len);
last_uip_ext_len = uip_ext_len;
uip_ext_len = 0;
UIP_IP_BUF->proto = UIP_EXT_BUF->next;
memmove(((uint8_t *)UIP_TCP_BUF), (uint8_t *)UIP_TCP_BUF + last_uip_ext_len,
uip_len - UIP_IPH_LEN - last_uip_ext_len);
uip_len -= uip_ext_len;
uip_len -= last_uip_ext_len;
/* Update the IP length. */
UIP_IP_BUF->len[0] = (uip_len - UIP_IPH_LEN) >> 8;
UIP_IP_BUF->len[1] = (uip_len - UIP_IPH_LEN) & 0xff;
uip_ext_len = 0;
}
}
/*---------------------------------------------------------------------------*/
@ -1494,7 +1497,6 @@ uip_process(uint8_t flag)
udp_input:
remove_ext_hdr();
UIP_IP_BUF->proto = UIP_PROTO_UDP;
LOG_INFO("Receiving UDP packet\n");
@ -1607,7 +1609,6 @@ uip_process(uint8_t flag)
tcp_input:
remove_ext_hdr();
UIP_IP_BUF->proto = UIP_PROTO_TCP;
UIP_STAT(++uip_stat.tcp.recv);
LOG_INFO("Receiving TCP packet\n");