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authorTom Rini <trini@ti.com>2015-02-13 13:11:09 -0500
committerTom Rini <trini@ti.com>2015-02-13 13:11:09 -0500
commit757566d1567a98f5c331c14f088001dbfe187191 (patch)
tree86c9ab53fbefee672f37165f51db398338bf9968 /net
parentc445506d73a0fba6472d12510b2d41148f078349 (diff)
parentb1f6659c420dae9cd06514fbd8342f39b3f326b9 (diff)
downloadu-boot-imx-757566d1567a98f5c331c14f088001dbfe187191.zip
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Merge git://git.denx.de/u-boot-dm
Diffstat (limited to 'net')
-rw-r--r--net/net.c25
-rw-r--r--net/ping.c10
2 files changed, 6 insertions, 29 deletions
diff --git a/net/net.c b/net/net.c
index 2bea07b..b60ce62 100644
--- a/net/net.c
+++ b/net/net.c
@@ -1086,7 +1086,7 @@ NetReceive(uchar *inpkt, int len)
if ((ip->ip_hl_v & 0x0f) > 0x05)
return;
/* Check the Checksum of the header */
- if (!NetCksumOk((uchar *)ip, IP_HDR_SIZE / 2)) {
+ if (!ip_checksum_ok((uchar *)ip, IP_HDR_SIZE)) {
debug("checksum bad\n");
return;
}
@@ -1291,27 +1291,6 @@ common:
/**********************************************************************/
int
-NetCksumOk(uchar *ptr, int len)
-{
- return !((NetCksum(ptr, len) + 1) & 0xfffe);
-}
-
-
-unsigned
-NetCksum(uchar *ptr, int len)
-{
- ulong xsum;
- ushort *p = (ushort *)ptr;
-
- xsum = 0;
- while (len-- > 0)
- xsum += *p++;
- xsum = (xsum & 0xffff) + (xsum >> 16);
- xsum = (xsum & 0xffff) + (xsum >> 16);
- return xsum & 0xffff;
-}
-
-int
NetEthHdrSize(void)
{
ushort myvlanid;
@@ -1410,7 +1389,7 @@ void net_set_udp_header(uchar *pkt, IPaddr_t dest, int dport, int sport,
net_set_ip_header(pkt, dest, NetOurIP);
ip->ip_len = htons(IP_UDP_HDR_SIZE + len);
ip->ip_p = IPPROTO_UDP;
- ip->ip_sum = ~NetCksum((uchar *)ip, IP_HDR_SIZE >> 1);
+ ip->ip_sum = compute_ip_checksum(ip, IP_HDR_SIZE);
ip->udp_src = htons(sport);
ip->udp_dst = htons(dport);
diff --git a/net/ping.c b/net/ping.c
index 2be56ed..366f518 100644
--- a/net/ping.c
+++ b/net/ping.c
@@ -29,14 +29,14 @@ static void set_icmp_header(uchar *pkt, IPaddr_t dest)
ip->ip_len = htons(IP_ICMP_HDR_SIZE);
ip->ip_p = IPPROTO_ICMP;
- ip->ip_sum = ~NetCksum((uchar *)ip, IP_HDR_SIZE >> 1);
+ ip->ip_sum = compute_ip_checksum(ip, IP_HDR_SIZE);
icmp->type = ICMP_ECHO_REQUEST;
icmp->code = 0;
icmp->checksum = 0;
icmp->un.echo.id = 0;
icmp->un.echo.sequence = htons(PingSeqNo++);
- icmp->checksum = ~NetCksum((uchar *)icmp, ICMP_HDR_SIZE >> 1);
+ icmp->checksum = compute_ip_checksum(icmp, ICMP_HDR_SIZE);
}
static int ping_send(void)
@@ -101,13 +101,11 @@ void ping_receive(struct ethernet_hdr *et, struct ip_udp_hdr *ip, int len)
ip->ip_off = 0;
NetCopyIP((void *)&ip->ip_dst, &ip->ip_src);
NetCopyIP((void *)&ip->ip_src, &NetOurIP);
- ip->ip_sum = ~NetCksum((uchar *)ip,
- IP_HDR_SIZE >> 1);
+ ip->ip_sum = compute_ip_checksum(ip, IP_HDR_SIZE);
icmph->type = ICMP_ECHO_REPLY;
icmph->checksum = 0;
- icmph->checksum = ~NetCksum((uchar *)icmph,
- (len - IP_HDR_SIZE) >> 1);
+ icmph->checksum = compute_ip_checksum(icmph, len - IP_HDR_SIZE);
NetSendPacket((uchar *)et, eth_hdr_size + len);
return;
/* default: