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([2a01:e0a:3cb:7bb0:e668:dc94:35c7:8064]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-373081ffb40sm4201665f8f.76.2024.08.23.06.49.56 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 23 Aug 2024 06:49:57 -0700 (PDT) From: Jerome Forissier To: u-boot@lists.denx.de Cc: Ilias Apalodimas , Javier Tia , Raymond Mao , Maxim Uvarov , Tim Harvey , Anton Antonov , Jerome Forissier , Tom Rini , Joe Hershberger , Ramon Fried , Simon Glass , Mattijs Korpershoek , AKASHI Takahiro , Heinrich Schuchardt , Masahisa Kojima , Sean Anderson , Marek Vasut Subject: [PATCH v9 21/37] net-lwip: add TFTP support and tftpboot command Date: Fri, 23 Aug 2024 15:48:25 +0200 Message-Id: X-Mailer: git-send-email 2.40.1 In-Reply-To: References: MIME-Version: 1.0 X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.39 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" X-Virus-Scanned: clamav-milter 0.103.8 at phobos.denx.de X-Virus-Status: Clean 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 --- cmd/Kconfig | 3 +- cmd/net-lwip.c | 8 ++ include/net-common.h | 4 + include/net-lwip.h | 4 + net/lwip/dhcp.c | 11 +- net/lwip/net-lwip.c | 16 +++ net/lwip/tftp.c | 279 ++++++++++++++++++++++++++++++++++++++++++- 7 files changed, 319 insertions(+), 6 deletions(-) diff --git a/cmd/Kconfig b/cmd/Kconfig index 4084ecf0dfd..fd841cd4e53 100644 --- a/cmd/Kconfig +++ b/cmd/Kconfig @@ -2108,10 +2108,9 @@ 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 43bc6b9a0d5..77d9fff18d2 100644 --- a/include/net-common.h +++ b/include/net-common.h @@ -440,6 +440,10 @@ 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 #include +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/net/lwip/dhcp.c b/net/lwip/dhcp.c index e492ad82a9b..2b5d51924af 100644 --- a/net/lwip/dhcp.c +++ b/net/lwip/dhcp.c @@ -114,11 +114,20 @@ 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 fa4ad2a65f8..dd8e3deeff4 100644 --- a/net/lwip/net-lwip.c +++ b/net/lwip/net-lwip.c @@ -24,6 +24,7 @@ static uchar net_pkt_buf[(PKTBUFSRX) * PKTSIZE_ALIGN + PKTALIGN]; uchar *net_rx_packets[PKTBUFSRX]; uchar *net_rx_packet; const u8 net_bcast_ethaddr[6] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }; +char net_boot_file_name[1024]; static err_t linkoutput(struct netif *netif, struct pbuf *p) { @@ -280,6 +281,21 @@ 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..50b8fbad00d 100644 --- a/net/lwip/tftp.c +++ b/net/lwip/tftp.c @@ -2,10 +2,283 @@ /* Copyright (C) 2024 Linaro Ltd. */ #include -#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#define PROGRESS_PRINT_STEP_BYTES (10 * 1024) + +enum done_state { + NOT_DONE = 0, + SUCCESS = 1, + FAILURE = 2 +}; + +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) { + /* Closing after an error */ + 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()) + 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; + 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 ret; + 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; }