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Diffstat (limited to 'net/ping.c')
-rw-r--r--net/ping.c14
1 files changed, 6 insertions, 8 deletions
diff --git a/net/ping.c b/net/ping.c
index 3e5461a..633c942 100644
--- a/net/ping.c
+++ b/net/ping.c
@@ -22,14 +22,9 @@ static void set_icmp_header(uchar *pkt, struct in_addr dest)
/*
* Construct an IP and ICMP header.
*/
- struct ip_hdr *ip = (struct ip_hdr *)pkt;
struct icmp_hdr *icmp = (struct icmp_hdr *)(pkt + IP_HDR_SIZE);
- net_set_ip_header(pkt, dest, net_ip);
-
- ip->ip_len = htons(IP_ICMP_HDR_SIZE);
- ip->ip_p = IPPROTO_ICMP;
- ip->ip_sum = compute_ip_checksum(ip, IP_HDR_SIZE);
+ net_set_ip_header(pkt, dest, net_ip, IP_ICMP_HDR_SIZE, IPPROTO_ICMP);
icmp->type = ICMP_ECHO_REQUEST;
icmp->code = 0;
@@ -84,6 +79,7 @@ void ping_receive(struct ethernet_hdr *et, struct ip_udp_hdr *ip, int len)
struct icmp_hdr *icmph = (struct icmp_hdr *)&ip->udp_src;
struct in_addr src_ip;
int eth_hdr_size;
+ uchar *tx_packet;
switch (icmph->type) {
case ICMP_ECHO_REPLY:
@@ -107,8 +103,10 @@ void ping_receive(struct ethernet_hdr *et, struct ip_udp_hdr *ip, int len)
icmph->type = ICMP_ECHO_REPLY;
icmph->checksum = 0;
icmph->checksum = compute_ip_checksum(icmph, len - IP_HDR_SIZE);
- memcpy(net_tx_packet, et, eth_hdr_size + len);
- net_send_packet(net_tx_packet, eth_hdr_size + len);
+
+ tx_packet = net_get_async_tx_pkt_buf();
+ memcpy(tx_packet, et, eth_hdr_size + len);
+ net_send_packet(tx_packet, eth_hdr_size + len);
return;
/* default:
return;*/