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-rw-r--r--qemu/roms/SLOF/clients/net-snk/app/netapps/netboot.c58
1 files changed, 42 insertions, 16 deletions
diff --git a/qemu/roms/SLOF/clients/net-snk/app/netapps/netboot.c b/qemu/roms/SLOF/clients/net-snk/app/netapps/netboot.c
index cf20b5915..bb1db03e3 100644
--- a/qemu/roms/SLOF/clients/net-snk/app/netapps/netboot.c
+++ b/qemu/roms/SLOF/clients/net-snk/app/netapps/netboot.c
@@ -332,7 +332,13 @@ int dhcp(char *ret_buffer, filename_ip_t * fn_ip, unsigned int retries, int flag
int i = (int) retries+1;
int rc = -1;
- printf(" ");
+ printf(" Requesting information via DHCP%s: ",
+ flags == F_IPV4 ? "v4" : flags == F_IPV6 ? "v6" : "");
+
+ if (flags != F_IPV6)
+ dhcpv4_generate_transaction_id();
+ if (flags != F_IPV4)
+ dhcpv6_generate_transaction_id();
do {
printf("\b\b\b%03d", i-1);
@@ -353,7 +359,6 @@ int dhcp(char *ret_buffer, filename_ip_t * fn_ip, unsigned int retries, int flag
set_ipv6_address(fn_ip->fd, 0);
rc = dhcpv6(ret_buffer, fn_ip);
if (rc == 0) {
- printf("\n");
memcpy(&fn_ip->own_ip6, get_ipv6_address(), 16);
break;
}
@@ -362,11 +367,23 @@ int dhcp(char *ret_buffer, filename_ip_t * fn_ip, unsigned int retries, int flag
if (rc != -1) /* either success or non-dhcp failure */
break;
} while (1);
- printf("\b\b\b\b");
+ printf("\b\b\b\bdone\n");
return rc;
}
+/**
+ * Seed the random number generator with our mac and current timestamp
+ */
+static void seed_rng(uint8_t mac[])
+{
+ unsigned int seed;
+
+ asm volatile("mftbl %0" : "=r"(seed));
+ seed ^= (mac[2] << 24) | (mac[3] << 16) | (mac[4] << 8) | mac[5];
+ srand(seed);
+}
+
int
netboot(int argc, char *argv[])
{
@@ -388,8 +405,7 @@ netboot(int argc, char *argv[])
int32_t block_size = strtol(argv[5], 0, 10);
uint8_t own_mac[6];
- printf("\n");
- printf(" Bootloader 1.6 \n");
+ puts("\n Initializing NIC");
memset(&fn_ip, 0, sizeof(filename_ip_t));
/***********************************************************
@@ -438,6 +454,8 @@ netboot(int argc, char *argv[])
// init ethernet layer
set_mac_address(own_mac);
+ seed_rng(own_mac);
+
if (argc > 6) {
parse_args(argv[6], &obp_tftp_args);
if(obp_tftp_args.bootp_retries - rc < DEFAULT_BOOT_RETRIES)
@@ -468,10 +486,8 @@ netboot(int argc, char *argv[])
}
}
else if (ip_version == 6) {
- if (memcmp(&obp_tftp_args.ci6addr, null_ip6, 16) != 0
- && memcmp(&obp_tftp_args.si6addr, null_ip6, 16) != 0
+ if (memcmp(&obp_tftp_args.si6addr, null_ip6, 16) != 0
&& obp_tftp_args.filename[0] != 0) {
-
memcpy(&fn_ip.server_ip6.addr[0],
&obp_tftp_args.si6addr.addr, 16);
obp_tftp_args.ip_init = IP_INIT_IPV6_MANUAL;
@@ -484,7 +500,6 @@ netboot(int argc, char *argv[])
// construction of fn_ip from parameter
switch(obp_tftp_args.ip_init) {
case IP_INIT_BOOTP:
- printf(" Requesting IP address via BOOTP: ");
// if giaddr in not specified, then we have to identify
// the BOOTP server via broadcasts
if(memcmp(obp_tftp_args.giaddr, null_ip, 4) == 0) {
@@ -499,19 +514,25 @@ netboot(int argc, char *argv[])
rc = bootp(ret_buffer, &fn_ip, obp_tftp_args.bootp_retries);
break;
case IP_INIT_DHCP:
- printf(" Requesting IP address via DHCPv4: ");
rc = dhcp(ret_buffer, &fn_ip, obp_tftp_args.bootp_retries, F_IPV4);
break;
case IP_INIT_DHCPV6_STATELESS:
- printf(" Requesting information via DHCPv6: ");
rc = dhcp(ret_buffer, &fn_ip,
obp_tftp_args.bootp_retries, F_IPV6);
break;
case IP_INIT_IPV6_MANUAL:
- set_ipv6_address(fn_ip.fd, &obp_tftp_args.ci6addr);
+ if (memcmp(&obp_tftp_args.ci6addr, null_ip6, 16)) {
+ set_ipv6_address(fn_ip.fd, &obp_tftp_args.ci6addr);
+ } else {
+ /*
+ * If no client address has been specified, then
+ * use a link-local or stateless autoconfig address
+ */
+ set_ipv6_address(fn_ip.fd, NULL);
+ memcpy(&fn_ip.own_ip6, get_ipv6_address(), 16);
+ }
break;
case IP_INIT_DEFAULT:
- printf(" Requesting IP address via DHCP: ");
rc = dhcp(ret_buffer, &fn_ip, obp_tftp_args.bootp_retries, 0);
break;
case IP_INIT_NONE:
@@ -548,10 +569,15 @@ netboot(int argc, char *argv[])
return -101;
}
- if(ip_version == 4)
- printf("%d.%d.%d.%d\n",
+ if (ip_version == 4) {
+ printf(" Using IPv4 address: %d.%d.%d.%d\n",
((fn_ip.own_ip >> 24) & 0xFF), ((fn_ip.own_ip >> 16) & 0xFF),
((fn_ip.own_ip >> 8) & 0xFF), ( fn_ip.own_ip & 0xFF));
+ } else if (ip_version == 6) {
+ char ip6_str[40];
+ ipv6_to_str(fn_ip.own_ip6.addr, ip6_str);
+ printf(" Using IPv6 address: %s\n", ip6_str);
+ }
if (rc == -2) {
sprintf(buf,
@@ -818,7 +844,7 @@ int parse_tftp_args(char buffer[], char *server_ip, char filename[], int fd,
tmp = raw + 7;
tmp[j] = '\0';
strcpy(domainname, tmp);
- if (dns_get_ip(fd, (int8_t *)domainname, server_ip6, 6) == 0) {
+ if (dns_get_ip(fd, domainname, server_ip6, 6) == 0) {
printf("\n DNS failed for IPV6\n");
return -1;
}