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make use of the IPv6 upper-layer checksum calculation

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This commit is contained in:
Oleg Hahm 2013-11-20 23:46:37 +01:00
parent aaccd37a2f
commit 4e5b60e403
2 changed files with 5 additions and 3 deletions
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6
sys/net/destiny/socket.c
View File

@ -1013,8 +1013,10 @@ int32_t destiny_socket_sendto(int s, const void *buf, uint32_t len, int flags,
current_udp_packet->length = HTONS(UDP_HDR_LEN + len); current_udp_packet->length = HTONS(UDP_HDR_LEN + len);
temp_ipv6_header->length = UDP_HDR_LEN + len; temp_ipv6_header->length = UDP_HDR_LEN + len;
current_udp_packet->checksum = ~udp_csum(temp_ipv6_header, current_udp_packet->checksum = ~ipv6_csum(temp_ipv6_header,
current_udp_packet); (uint8_t*) current_udp_packet,
UDP_HDR_LEN + len,
IPPROTO_UDP);
ipv6_sendto(&to->sin6_addr, IPPROTO_UDP, ipv6_sendto(&to->sin6_addr, IPPROTO_UDP,
(uint8_t *)(current_udp_packet), (uint8_t *)(current_udp_packet),

2
sys/net/destiny/udp.c
View File

@ -58,7 +58,7 @@ void udp_packet_handler(void)
udp_header = ((udp_hdr_t *)(m_recv_ip.content.ptr + IPV6_HDR_LEN)); udp_header = ((udp_hdr_t *)(m_recv_ip.content.ptr + IPV6_HDR_LEN));
payload = (uint8_t *)(m_recv_ip.content.ptr + IPV6_HDR_LEN + UDP_HDR_LEN); payload = (uint8_t *)(m_recv_ip.content.ptr + IPV6_HDR_LEN + UDP_HDR_LEN);
chksum = udp_csum(ipv6_header, udp_header); chksum = ipv6_csum(ipv6_header, (uint8_t*) udp_header, NTOHS(udp_header->length), IPPROTO_UDP);
if (chksum == 0xffff) { if (chksum == 0xffff) {
udp_socket = get_udp_socket(ipv6_header, udp_header); udp_socket = get_udp_socket(ipv6_header, udp_header);