#include <common.h>
+#include <bootstage.h>
#include <command.h>
#include <console.h>
-#include <environment.h>
+#include <env.h>
+#include <env_internal.h>
#include <errno.h>
+#include <image.h>
+#include <log.h>
#include <net.h>
#include <net/fastboot.h>
#include <net/tftp.h>
+#if defined(CONFIG_CMD_PCAP)
+#include <net/pcap.h>
+#endif
#if defined(CONFIG_LED_STATUS)
#include <miiphy.h>
#include <status_led.h>
struct in_addr net_dns_server2;
#endif
-#ifdef CONFIG_MCAST_TFTP /* Multicast TFTP */
-struct in_addr net_mcast_addr;
-#endif
-
/** END OF BOOTP EXTENTIONS **/
/* Our ethernet address */
*/
void net_auto_load(void)
{
-#if defined(CONFIG_CMD_NFS)
+#if defined(CONFIG_CMD_NFS) && !defined(CONFIG_SPL_BUILD)
const char *s = env_get("autoload");
if (s != NULL && strcmp(s, "NFS") == 0) {
ping_start();
break;
#endif
-#if defined(CONFIG_CMD_NFS)
+#if defined(CONFIG_CMD_NFS) && !defined(CONFIG_SPL_BUILD)
case NFS:
nfs_start();
break;
*/
for (;;) {
WATCHDOG_RESET();
-#ifdef CONFIG_SHOW_ACTIVITY
- show_activity(1);
-#endif
if (arp_timeout_check() > 0)
time_start = get_timer(0);
printf("Bytes transferred = %d (%x hex)\n",
net_boot_file_size, net_boot_file_size);
env_set_hex("filesize", net_boot_file_size);
- env_set_hex("fileaddr", load_addr);
+ env_set_hex("fileaddr", image_load_addr);
}
if (protocol != NETCONS)
eth_halt();
/* Invalidate the last protocol */
eth_set_last_protocol(BOOTP);
debug_cond(DEBUG_INT_STATE, "--- net_loop Fail!\n");
+ ret = -ENONET;
goto done;
case NETLOOP_CONTINUE:
net_set_icmp_handler(NULL);
#endif
net_set_state(prev_net_state);
+
+#if defined(CONFIG_CMD_PCAP)
+ if (pcap_active())
+ pcap_print_status();
+#endif
return ret;
}
}
}
+uchar *net_get_async_tx_pkt_buf(void)
+{
+ if (arp_is_waiting())
+ return arp_tx_packet; /* If we are waiting, we already sent */
+ else
+ return net_tx_packet;
+}
+
int net_send_udp_packet(uchar *ether, struct in_addr dest, int dport, int sport,
int payload_len)
+{
+ return net_send_ip_packet(ether, dest, dport, sport, payload_len,
+ IPPROTO_UDP, 0, 0, 0);
+}
+
+int net_send_ip_packet(uchar *ether, struct in_addr dest, int dport, int sport,
+ int payload_len, int proto, u8 action, u32 tcp_seq_num,
+ u32 tcp_ack_num)
{
uchar *pkt;
int eth_hdr_size;
pkt = (uchar *)net_tx_packet;
eth_hdr_size = net_set_ether(pkt, ether, PROT_IP);
- pkt += eth_hdr_size;
- net_set_udp_header(pkt, dest, dport, sport, payload_len);
- pkt_hdr_size = eth_hdr_size + IP_UDP_HDR_SIZE;
+
+ switch (proto) {
+ case IPPROTO_UDP:
+ net_set_udp_header(pkt + eth_hdr_size, dest, dport, sport,
+ payload_len);
+ pkt_hdr_size = eth_hdr_size + IP_UDP_HDR_SIZE;
+ break;
+ default:
+ return -EINVAL;
+ }
/* if MAC address was not discovered yet, do an ARP request */
if (memcmp(ether, net_null_ethaddr, 6) == 0) {
* to the algorithm in RFC815. It returns NULL or the pointer to
* a complete packet, in static storage
*/
-#ifndef CONFIG_NET_MAXDEFRAG
-#define CONFIG_NET_MAXDEFRAG 16384
-#endif
#define IP_PKTSIZE (CONFIG_NET_MAXDEFRAG)
#define IP_MAXUDP (IP_PKTSIZE - IP_HDR_SIZE)
debug_cond(DEBUG_NET_PKT, "packet received\n");
+#if defined(CONFIG_CMD_PCAP)
+ pcap_post(in_packet, len, false);
+#endif
net_rx_packet = in_packet;
net_rx_packet_len = len;
et = (struct ethernet_hdr *)in_packet;
dst_ip = net_read_ip(&ip->ip_dst);
if (net_ip.s_addr && dst_ip.s_addr != net_ip.s_addr &&
dst_ip.s_addr != 0xFFFFFFFF) {
-#ifdef CONFIG_MCAST_TFTP
- if (net_mcast_addr != dst_ip)
-#endif
return;
}
/* Read source IP address for later use */
return;
}
+ if (ntohs(ip->udp_len) < UDP_HDR_SIZE || ntohs(ip->udp_len) > ntohs(ip->ip_len))
+ return;
+
debug_cond(DEBUG_DEV_PKT,
"received UDP (to=%pI4, from=%pI4, len=%d)\n",
&dst_ip, &src_ip, len);
#ifdef CONFIG_UDP_CHECKSUM
if (ip->udp_xsum != 0) {
ulong xsum;
- ushort *sumptr;
+ u8 *sumptr;
ushort sumlen;
xsum = ip->ip_p;
xsum += (ntohl(ip->ip_dst.s_addr) >> 0) & 0x0000ffff;
sumlen = ntohs(ip->udp_len);
- sumptr = (ushort *)&(ip->udp_src);
+ sumptr = (u8 *)&ip->udp_src;
while (sumlen > 1) {
- ushort sumdata;
-
- sumdata = *sumptr++;
- xsum += ntohs(sumdata);
+ /* inlined ntohs() to avoid alignment errors */
+ xsum += (sumptr[0] << 8) + sumptr[1];
+ sumptr += 2;
sumlen -= 2;
}
- if (sumlen > 0) {
- ushort sumdata;
-
- sumdata = *(unsigned char *)sumptr;
- sumdata = (sumdata << 8) & 0xff00;
- xsum += sumdata;
- }
+ if (sumlen > 0)
+ xsum += (sumptr[0] << 8) + sumptr[0];
while ((xsum >> 16) != 0) {
xsum = (xsum & 0x0000ffff) +
((xsum >> 16) & 0x0000ffff);
}
}
-void net_set_ip_header(uchar *pkt, struct in_addr dest, struct in_addr source)
+void net_set_ip_header(uchar *pkt, struct in_addr dest, struct in_addr source,
+ u16 pkt_len, u8 proto)
{
struct ip_udp_hdr *ip = (struct ip_udp_hdr *)pkt;
/* IP_HDR_SIZE / 4 (not including UDP) */
ip->ip_hl_v = 0x45;
ip->ip_tos = 0;
- ip->ip_len = htons(IP_HDR_SIZE);
+ ip->ip_len = htons(pkt_len);
+ ip->ip_p = proto;
ip->ip_id = htons(net_ip_id++);
ip->ip_off = htons(IP_FLAGS_DFRAG); /* Don't fragment */
ip->ip_ttl = 255;
net_copy_ip((void *)&ip->ip_src, &source);
/* already in network byte order */
net_copy_ip((void *)&ip->ip_dst, &dest);
+
+ ip->ip_sum = compute_ip_checksum(ip, IP_HDR_SIZE);
}
void net_set_udp_header(uchar *pkt, struct in_addr dest, int dport, int sport,
if (len & 1)
pkt[IP_UDP_HDR_SIZE + len] = 0;
- net_set_ip_header(pkt, dest, net_ip);
- ip->ip_len = htons(IP_UDP_HDR_SIZE + len);
- ip->ip_p = IPPROTO_UDP;
- ip->ip_sum = compute_ip_checksum(ip, IP_HDR_SIZE);
+ net_set_ip_header(pkt, dest, net_ip, IP_UDP_HDR_SIZE + len,
+ IPPROTO_UDP);
ip->udp_src = htons(sport);
ip->udp_dst = htons(dport);
projects / oweals / u-boot.git / blobdiff