The command tftpboot uses IPv4 by default, to use IPv6 instead add -ipv6
as the last argument. All other tftpboot features and parameters are left
the same.
Signed-off-by: Viacheslav Mitrofanov <v.v.mitrofa...@yadro.com>
---
cmd/net.c | 21 ++++++++++++++++++
net/net.c | 17 +++++++++++++--
net/tftp.c | 62 +++++++++++++++++++++++++++++++++++++++++++++++-------
3 files changed, 90 insertions(+), 10 deletions(-)
diff --git a/cmd/net.c b/cmd/net.c
index 3619c843d8..9225bddf6b 100644
--- a/cmd/net.c
+++ b/cmd/net.c
@@ -14,6 +14,7 @@
#include <env.h>
#include <image.h>
#include <net.h>
+#include <net6.h>
#include <net/udp.h>
#include <net/sntp.h>
@@ -44,12 +45,21 @@ int do_tftpb(struct cmd_tbl *cmdtp, int flag, int argc,
char *const argv[])
return ret;
}
+#if IS_ENABLED(CONFIG_IPV6)
+U_BOOT_CMD(
+ tftpboot, 4, 1, do_tftpb,
+ "boot image via network using TFTP protocol\n"
+ "Use -ipv6 parameter to boot via IPv6",
+ "[loadAddress] [[hostIPaddr:]bootfilename] [" USE_IP6_CMD_PARAM "]"
+);
+#else
U_BOOT_CMD(
tftpboot, 3, 1, do_tftpb,
"boot image via network using TFTP protocol",
"[loadAddress] [[hostIPaddr:]bootfilename]"
);
#endif
+#endif
#ifdef CONFIG_CMD_TFTPPUT
static int do_tftpput(struct cmd_tbl *cmdtp, int flag, int argc,
@@ -205,6 +215,17 @@ static int netboot_common(enum proto_t proto, struct
cmd_tbl *cmdtp, int argc,
if (s != NULL)
image_load_addr = hextoul(s, NULL);
+ if (IS_ENABLED(CONFIG_IPV6)) {
+ use_ip6 = false;
+
+ /* IPv6 parameter has to be always *last* */
+ if (!strcmp(argv[argc - 1], USE_IP6_CMD_PARAM)) {
+ use_ip6 = true;
+ /* It is a hack not to break switch/case code */
+ --argc;
+ }
+ }
+
switch (argc) {
case 1:
/* refresh bootfile name from env */
diff --git a/net/net.c b/net/net.c
index 3786217f05..d519173101 100644
--- a/net/net.c
+++ b/net/net.c
@@ -1381,7 +1381,14 @@ static int net_check_prereq(enum proto_t protocol)
/* Fall through */
case TFTPGET:
case TFTPPUT:
- if (net_server_ip.s_addr == 0 && !is_serverip_in_cmd()) {
+ if (IS_ENABLED(CONFIG_IPV6) && use_ip6) {
+ if (!memcmp(&net_server_ip6, &net_null_addr_ip6,
+ sizeof(struct in6_addr)) &&
+ !strchr(net_boot_file_name, '[')) {
+ puts("*** ERROR: `serverip6' not set\n");
+ return 1;
+ }
+ } else if (net_server_ip.s_addr == 0 && !is_serverip_in_cmd()) {
puts("*** ERROR: `serverip' not set\n");
return 1;
}
@@ -1394,7 +1401,13 @@ common:
case NETCONS:
case FASTBOOT:
case TFTPSRV:
- if (net_ip.s_addr == 0) {
+ if (IS_ENABLED(CONFIG_IPV6) && use_ip6) {
+ if (!memcmp(&net_link_local_ip6, &net_null_addr_ip6,
+ sizeof(struct in6_addr))) {
+ puts("*** ERROR: `ip6addr` not set\n");
+ return 1;
+ }
+ } else if (net_ip.s_addr == 0) {
puts("*** ERROR: `ipaddr' not set\n");
return 1;
}
diff --git a/net/tftp.c b/net/tftp.c
index dea9c25ffd..52ff1a846d 100644
--- a/net/tftp.c
+++ b/net/tftp.c
@@ -15,6 +15,7 @@
#include <log.h>
#include <mapmem.h>
#include <net.h>
+#include <net6.h>
#include <asm/global_data.h>
#include <net/tftp.h>
#include "bootp.h"
@@ -41,6 +42,7 @@ DECLARE_GLOBAL_DATA_PTR;
static ulong timeout_ms = TIMEOUT;
static int timeout_count_max = (CONFIG_NET_RETRY_COUNT * 2);
static ulong time_start; /* Record time we started tftp */
+static struct in6_addr tftp_remote_ip6;
/*
* These globals govern the timeout behavior when attempting a connection to a
@@ -116,6 +118,7 @@ static int tftp_put_final_block_sent;
/* default TFTP block size */
#define TFTP_BLOCK_SIZE 512
+#define TFTP_MTU_BLOCKSIZE6 (CONFIG_TFTP_BLOCKSIZE - 20)
/* sequence number is 16 bit */
#define TFTP_SEQUENCE_SIZE ((ulong)(1<<16))
@@ -320,7 +323,11 @@ static void tftp_send(void)
* We will always be sending some sort of packet, so
* cobble together the packet headers now.
*/
- pkt = net_tx_packet + net_eth_hdr_size() + IP_UDP_HDR_SIZE;
+ if (IS_ENABLED(CONFIG_IPV6) && use_ip6)
+ pkt = net_tx_packet + net_eth_hdr_size() +
+ IP6_HDR_SIZE + UDP_HDR_SIZE;
+ else
+ pkt = net_tx_packet + net_eth_hdr_size() + IP_UDP_HDR_SIZE;
switch (tftp_state) {
case STATE_SEND_RRQ:
@@ -422,8 +429,14 @@ static void tftp_send(void)
break;
}
- net_send_udp_packet(net_server_ethaddr, tftp_remote_ip,
- tftp_remote_port, tftp_our_port, len);
+ if (IS_ENABLED(CONFIG_IPV6) && use_ip6)
+ net_send_udp_packet6(net_server_ethaddr,
+ &tftp_remote_ip6,
+ tftp_remote_port,
+ tftp_our_port, len);
+ else
+ net_send_udp_packet(net_server_ethaddr, tftp_remote_ip,
+ tftp_remote_port, tftp_our_port, len);
if (err_pkt)
net_set_state(NETLOOP_FAIL);
@@ -750,6 +763,9 @@ void tftp_start(enum proto_t protocol)
debug("TFTP blocksize = %i, TFTP windowsize = %d timeout = %ld ms\n",
tftp_block_size_option, tftp_window_size_option, timeout_ms);
+ if (IS_ENABLED(CONFIG_IPV6))
+ tftp_remote_ip6 = net_server_ip6;
+
tftp_remote_ip = net_server_ip;
if (!net_parse_bootfile(&tftp_remote_ip, tftp_filename, MAX_LEN)) {
sprintf(default_filename, "%02X%02X%02X%02X.img",
@@ -764,18 +780,48 @@ void tftp_start(enum proto_t protocol)
printf("*** Warning: no boot file name; using '%s'\n",
tftp_filename);
}
+ if (IS_ENABLED(CONFIG_IPV6)) {
+ if (use_ip6) {
+ char *s, *e;
+
+ s = strchr(net_boot_file_name, '[');
+ e = strchr(net_boot_file_name, ']');
+ if (s && e) {
+ *e++ = 0;
+ string_to_ip6(s + 1, &tftp_remote_ip6);
+ strlcpy(tftp_filename, e + 1, MAX_LEN);
+ } else {
+ strlcpy(tftp_filename, net_boot_file_name,
MAX_LEN);
+ tftp_filename[MAX_LEN - 1] = 0;
+ }
+ }
+ }
printf("Using %s device\n", eth_get_name());
- printf("TFTP %s server %pI4; our IP address is %pI4",
+
+ if (IS_ENABLED(CONFIG_IPV6) && use_ip6) {
+ printf("TFTP from server %pI6c; our IP address is %pI6c",
+ &tftp_remote_ip6, &net_ip6);
+
+ if (tftp_block_size_option > TFTP_MTU_BLOCKSIZE6)
+ tftp_block_size_option = TFTP_MTU_BLOCKSIZE6;
+ } else {
+ printf("TFTP %s server %pI4; our IP address is %pI4",
#ifdef CONFIG_CMD_TFTPPUT
- protocol == TFTPPUT ? "to" : "from",
+ protocol == TFTPPUT ? "to" : "from",
#else
- "from",
+ "from",
#endif
- &tftp_remote_ip, &net_ip);
+ &tftp_remote_ip, &net_ip);
+ }
/* Check if we need to send across this subnet */
- if (net_gateway.s_addr && net_netmask.s_addr) {
+ if (IS_ENABLED(CONFIG_IPV6) && use_ip6) {
+ if (!ip6_addr_in_subnet(&net_ip6, &tftp_remote_ip6,
+ net_prefix_length))
+ printf("; sending through gateway %pI6c",
+ &net_gateway6);
+ } else if (net_gateway.s_addr && net_netmask.s_addr) {
struct in_addr our_net;
struct in_addr remote_net;
--
2.25.1
