
On Thu, 3 Oct 2024 at 18:47, Jerome Forissier jerome.forissier@linaro.org wrote:
Implement do_tftpb(). This implementation of the tftp command supports an optional port number. For example:
tftp 192.168.0.30:9069:file.bin
It also supports taking the server IP from ${tftpserverip} if defined, before falling back to ${serverip}.
Signed-off-by: Jerome Forissier jerome.forissier@linaro.org
cmd/Kconfig | 3 +- cmd/net-lwip.c | 8 ++ include/net-common.h | 4 + include/net-lwip.h | 4 + lib/binman.c | 1 + net/lwip/dhcp.c | 11 +- net/lwip/net-lwip.c | 16 +++ net/lwip/tftp.c | 283 ++++++++++++++++++++++++++++++++++++++++++- 8 files changed, 324 insertions(+), 6 deletions(-)
diff --git a/cmd/Kconfig b/cmd/Kconfig index d09c237a52f..f1372a025b7 100644 --- a/cmd/Kconfig +++ b/cmd/Kconfig @@ -2119,10 +2119,9 @@ config CMD_MDIO config CMD_TFTPBOOT bool "tftp" select PROT_UDP_LWIP if NET_LWIP
default n
default y help tftpboot - load file via network using TFTP protocol
Currently a placeholder (not implemented) when NET_LWIP=y.
endif # if CMD_NET
diff --git a/cmd/net-lwip.c b/cmd/net-lwip.c index 82edb5fd2e6..80f0872bb8f 100644 --- a/cmd/net-lwip.c +++ b/cmd/net-lwip.c @@ -11,3 +11,11 @@ U_BOOT_CMD( "[loadAddress] [[hostIPaddr:]bootfilename]" ); #endif
+#if defined(CONFIG_CMD_TFTPBOOT) +U_BOOT_CMD(
tftpboot, 3, 0, do_tftpb,
"boot image via network using TFTP protocol\n",
"[loadAddress] [[hostIPaddr:]bootfilename]"
+); +#endif diff --git a/include/net-common.h b/include/net-common.h index cbcac178c82..fd7c5e7b488 100644 --- a/include/net-common.h +++ b/include/net-common.h @@ -459,6 +459,10 @@ static inline struct in_addr env_get_ip(char *var)
int net_init(void);
+/* NET compatibility */ +enum proto_t; +int net_loop(enum proto_t protocol);
/**
- dhcp_run() - Run DHCP on the current ethernet device
diff --git a/include/net-lwip.h b/include/net-lwip.h index cfd06726577..37744b0e2cd 100644 --- a/include/net-lwip.h +++ b/include/net-lwip.h @@ -6,6 +6,10 @@ #include <lwip/ip4.h> #include <lwip/netif.h>
+enum proto_t {
TFTPGET
+};
struct netif *net_lwip_new_netif(struct udevice *udev); struct netif *net_lwip_new_netif_noip(struct udevice *udev); void net_lwip_remove_netif(struct netif *netif); diff --git a/lib/binman.c b/lib/binman.c index 9047f5275f3..93d85548116 100644 --- a/lib/binman.c +++ b/lib/binman.c @@ -137,6 +137,7 @@ int binman_init(void) { int ret;
return 0; binman = malloc(sizeof(struct binman_info)); if (!binman) return log_msg_ret("space for binman", -ENOMEM);
diff --git a/net/lwip/dhcp.c b/net/lwip/dhcp.c index be458d554cb..14685cf7825 100644 --- a/net/lwip/dhcp.c +++ b/net/lwip/dhcp.c @@ -116,11 +116,20 @@ int do_dhcp(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]) int dhcp_run(ulong addr, const char *fname, bool autoload) { char *dhcp_argv[] = {"dhcp", NULL, }; +#ifdef CONFIG_CMD_TFTPBOOT
char *tftp_argv[] = {"tftpboot", boot_file_name, NULL, };
+#endif struct cmd_tbl cmdtp = {}; /* dummy */
if (autoload) {
/* Will be supported when TFTP is added */
+#ifdef CONFIG_CMD_TFTPBOOT
/* Assume DHCP was already performed */
if (boot_file_name[0])
return do_tftpb(&cmdtp, 0, 2, tftp_argv);
return 0;
+#else return -EOPNOTSUPP; +#endif }
return do_dhcp(&cmdtp, 0, 1, dhcp_argv);
diff --git a/net/lwip/net-lwip.c b/net/lwip/net-lwip.c index ca5426d058b..6a27d71de73 100644 --- a/net/lwip/net-lwip.c +++ b/net/lwip/net-lwip.c @@ -28,6 +28,7 @@ const u8 net_bcast_ethaddr[6] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }; char *pxelinux_configfile; /* Our IP addr (0 = unknown) */ struct in_addr net_ip; +char net_boot_file_name[1024];
static err_t linkoutput(struct netif *netif, struct pbuf *p) { @@ -285,6 +286,21 @@ void net_process_received_packet(uchar *in_packet, int len) #endif }
+int net_loop(enum proto_t protocol) +{
char *argv[1];
switch (protocol) {
case TFTPGET:
argv[0] = "tftpboot";
return do_tftpb(NULL, 0, 1, argv);
default:
return -EINVAL;
}
return -EINVAL;
+}
u32_t sys_now(void) { return get_timer(0); diff --git a/net/lwip/tftp.c b/net/lwip/tftp.c index 1fa246f55d9..26978643313 100644 --- a/net/lwip/tftp.c +++ b/net/lwip/tftp.c @@ -2,10 +2,287 @@ /* Copyright (C) 2024 Linaro Ltd. */
#include <command.h> -#include <net-lwip.h> +#include <console.h> +#include <display_options.h> +#include <dm/device.h> +#include <efi_loader.h> +#include <image.h> +#include <linux/delay.h> +#include <lwip/apps/tftp_client.h> +#include <lwip/timeouts.h> +#include <mapmem.h> +#include <net.h> +#include <time.h>
+#define PROGRESS_PRINT_STEP_BYTES (10 * 1024)
+enum done_state {
NOT_DONE = 0,
SUCCESS,
FAILURE,
ABORTED
+};
+struct tftp_ctx {
ulong daddr;
ulong size;
ulong block_count;
ulong start_time;
enum done_state done;
+};
+static void *tftp_open(const char *fname, const char *mode, u8_t is_write) +{
return NULL;
+}
+static void tftp_close(void *handle) +{
struct tftp_ctx *ctx = handle;
ulong elapsed;
if (ctx->done == FAILURE || ctx->done == ABORTED) {
/* Closing after an error or Ctrl-C */
return;
}
ctx->done = SUCCESS;
elapsed = get_timer(ctx->start_time);
if (elapsed > 0) {
puts("\n\t "); /* Line up with "Loading: " */
print_size(ctx->size / elapsed * 1000, "/s");
}
puts("\ndone\n");
printf("Bytes transferred = %lu (%lx hex)\n", ctx->size, ctx->size);
if (env_set_hex("filesize", ctx->size)) {
log_err("filesize not updated\n");
return;
}
+}
+static int tftp_read(void *handle, void *buf, int bytes) +{
return 0;
+}
+static int tftp_write(void *handle, struct pbuf *p) +{
struct tftp_ctx *ctx = handle;
struct pbuf *q;
for (q = p; q != NULL; q = q->next) {
memcpy((void *)ctx->daddr, q->payload, q->len);
ctx->daddr += q->len;
ctx->size += q->len;
ctx->block_count++;
if (ctx->block_count % 10 == 0) {
putc('#');
if (ctx->block_count % (65 * 10) == 0)
puts("\n\t ");
}
}
return 0;
+}
+static void tftp_error(void *handle, int err, const char *msg, int size) +{
struct tftp_ctx *ctx = handle;
char message[100];
ctx->done = FAILURE;
memset(message, 0, sizeof(message));
memcpy(message, msg, LWIP_MIN(sizeof(message) - 1, (size_t)size));
printf("\nTFTP error: %d (%s)\n", err, message);
+}
+static const struct tftp_context tftp_context = {
tftp_open,
tftp_close,
tftp_read,
tftp_write,
tftp_error
+};
+static int tftp_loop(struct udevice *udev, ulong addr, char *fname,
ip_addr_t srvip, uint16_t srvport)
+{
struct netif *netif;
struct tftp_ctx ctx;
err_t err;
if (!fname || addr == 0)
return -1;
if (!srvport)
srvport = TFTP_PORT;
netif = net_lwip_new_netif(udev);
if (!netif)
return -1;
ctx.done = NOT_DONE;
ctx.size = 0;
ctx.block_count = 0;
ctx.daddr = addr;
printf("Using %s device\n", udev->name);
printf("TFTP from server %s; our IP address is %s\n",
ip4addr_ntoa(&srvip), env_get("ipaddr"));
printf("Filename '%s'.\n", fname);
printf("Load address: 0x%lx\n", ctx.daddr);
printf("Loading: ");
err = tftp_init_client(&tftp_context);
if (!(err == ERR_OK || err == ERR_USE))
log_err("tftp_init_client err: %d\n", err);
ctx.start_time = get_timer(0);
err = tftp_get(&ctx, &srvip, srvport, fname, TFTP_MODE_OCTET);
/* might return different errors, like routing problems */
if (err != ERR_OK) {
printf("tftp_get() error %d\n", err);
net_lwip_remove_netif(netif);
return -1;
}
while (!ctx.done) {
net_lwip_rx(udev, netif);
sys_check_timeouts();
if (ctrlc()) {
printf("\nAbort\n");
ctx.done = ABORTED;
break;
}
}
tftp_cleanup();
net_lwip_remove_netif(netif);
if (ctx.done == SUCCESS) {
if (env_set_hex("fileaddr", addr)) {
log_err("fileaddr not updated\n");
return -1;
}
efi_set_bootdev("Net", "", fname, map_sysmem(addr, 0),
ctx.size);
return 0;
}
return -1;
+}
int do_tftpb(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]) {
/* Not implemented */
return CMD_RET_FAILURE;
int ret = CMD_RET_SUCCESS;
char *arg = NULL;
char *words[3] = { };
char *fname = NULL;
char *server_ip = NULL;
char *server_port = NULL;
char *end;
ip_addr_t srvip;
uint16_t port = TFTP_PORT;
ulong laddr;
ulong addr;
int i;
laddr = env_get_ulong("loadaddr", 16, image_load_addr);
switch (argc) {
case 1:
fname = env_get("bootfile");
break;
case 2:
/*
* Only one arg - accept two forms:
* Just load address, or just boot file name. The latter
* form must be written in a format which can not be
* mis-interpreted as a valid number.
*/
addr = hextoul(argv[1], &end);
if (end == (argv[1] + strlen(argv[1]))) {
laddr = addr;
fname = env_get("bootfile");
} else {
arg = strdup(argv[1]);
}
break;
case 3:
laddr = hextoul(argv[1], NULL);
arg = strdup(argv[2]);
break;
default:
ret = CMD_RET_USAGE;
goto out;
}
if (!arg)
arg = net_boot_file_name;
if (arg) {
/* Parse [ip:[port:]]fname */
i = 0;
while ((*(words + i) = strsep(&arg,":")))
i++;
switch (i) {
case 3:
server_ip = words[0];
server_port = words[1];
fname = words[2];
break;
case 2:
server_ip = words[0];
fname = words[1];
break;
case 1:
fname = words[0];
break;
default:
break;
}
}
if (!server_ip)
server_ip = env_get("tftpserverip");
if (!server_ip)
server_ip = env_get("serverip");
if (!server_ip) {
log_err("error: tftpserverip/serverip has to be set\n");
ret = CMD_RET_FAILURE;
goto out;
}
if (server_port)
port = dectoul(server_port, NULL);
if (!ipaddr_aton(server_ip, &srvip)) {
log_err("error: ipaddr_aton\n");
ret = CMD_RET_FAILURE;
goto out;
}
if (!fname) {
log_err("error: no file name\n");
ret = CMD_RET_FAILURE;
goto out;
}
if (!laddr) {
log_err("error: no load address\n");
ret = CMD_RET_FAILURE;
goto out;
}
eth_set_current();
if (tftp_loop(eth_get_dev(), laddr, fname, srvip, port) < 0)
ret = CMD_RET_FAILURE;
+out:
free(arg);
return ret;
}
2.40.1
Acked-by: Ilias Apalodimas ilias.apalodimas@linaro.org Tested-by: Ilias Apalodimas ilias.apalodimas@linaro.org