static void
ping_send(struct raw_pcb *raw, ip_addr_t *addr)
{
struct pbuf *p;
struct icmp_echo_hdr *iecho;
p = pbuf_alloc(PBUF_IP,sizeof(struct icmp_echo_hdr),PBUF_RAM);
if (!p) return;
iecho = p->payload;
ICMPH_TYPE_SET(iecho,ICMP_ECHO);
iecho->chksum = 0;
iecho->seqno = htons(seq_num);
iecho->chksum = inet_chksum(iecho, p->len);
raw_send_to(raw,p,addr);
pbuf_free(p);
seq_num++;
}
/**
* Send the raw IP packet to the address given by raw_connect()
*
* @param pcb the raw pcb which to send
* @param p the ip payload to send
* @param ipaddr the destination address of the whole IP packet
*
*/
err_t
raw_send(struct raw_pcb *pcb, struct pbuf *p)
{
return raw_send_to(pcb,p,&pcb->remote_ip);
}
