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([2a01:e0a:3cb:7bb0:6417:8cf6:a7f7:ee38]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-4215c19d52dsm23111955e9.8.2024.06.06.06.37.02 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 06 Jun 2024 06:37:03 -0700 (PDT) From: Jerome Forissier To: u-boot@lists.denx.de Cc: Ilias Apalodimas , Javier Tia , Maxim Uvarov , Jerome Forissier , Tom Rini , Simon Glass , Mattijs Korpershoek , AKASHI Takahiro , Francis Laniel , Peter Robinson Subject: [PATCH v3 04/12] net-lwip: add TFTP support and tftpboot command Date: Thu, 6 Jun 2024 15:35:59 +0200 Message-Id: <805d51e8a6a2f54ae7fc20d9fbc599fb71866755.1717680809.git.jerome.forissier@linaro.org> 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(). Signed-off-by: Jerome Forissier --- cmd/Kconfig | 3 +- cmd/net-lwip.c | 8 ++ net-lwip/dhcp.c | 11 ++- net-lwip/tftp.c | 202 +++++++++++++++++++++++++++++++++++++++++++++++- 4 files changed, 219 insertions(+), 5 deletions(-) diff --git a/cmd/Kconfig b/cmd/Kconfig index 1bfa528e945..94a8de266f6 100644 --- a/cmd/Kconfig +++ b/cmd/Kconfig @@ -2101,10 +2101,9 @@ config CMD_DHCP config CMD_TFTPBOOT bool "tftp" select PROT_UDP_LWIP - default n + default y help tftpboot - load file via network using TFTP protocol - Currently a placeholder (not implemented) endif diff --git a/cmd/net-lwip.c b/cmd/net-lwip.c index 966d7226eda..490a2e4ac5c 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/net-lwip/dhcp.c b/net-lwip/dhcp.c index d1d35999b04..7bacc234f1e 100644 --- a/net-lwip/dhcp.c +++ b/net-lwip/dhcp.c @@ -94,11 +94,20 @@ 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/tftp.c b/net-lwip/tftp.c index 1fa246f55d9..02ee4aacca5 100644 --- a/net-lwip/tftp.c +++ b/net-lwip/tftp.c @@ -2,10 +2,208 @@ /* Copyright (C) 2024 Linaro Ltd. */ #include +#include +#include +#include +#include +#include #include +#include + +static ulong daddr; +static ulong size; +static ulong prevsize; +#define PROGRESS_PRINT_STEP_BYTES (100 * 1024) +static ulong start_time; +static enum done_state { + NOT_DONE = 0, + SUCCESS = 1, + FAILURE = 2 +} done; + +static void *tftp_open(const char *fname, const char *mode, u8_t is_write) +{ + return NULL; +} + +static void tftp_close(void *handle) +{ + ulong elapsed; + + if (done == FAILURE) { + /* Closing after an error */ + return; + } + + elapsed = get_timer(start_time); + done = SUCCESS; + printf("\nBytes transferred = %lu (%lx hex)\n", size, size); + + if (env_set_hex("filesize", 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 pbuf *q; + + for (q = p; q != NULL; q = q->next) { + memcpy((void *)daddr, q->payload, q->len); + daddr += q->len; + size += q->len; + if (size - prevsize > PROGRESS_PRINT_STEP_BYTES) { + printf("#"); + prevsize = size; + } + } + + return 0; +} + +static void tftp_error(void *handle, int err, const char *msg, int size) +{ + char message[100]; + + done = FAILURE; + memset(message, 0, sizeof(message)); + memcpy(message, msg, LWIP_MIN(sizeof(message) - 1, (size_t)size)); + + log_info("\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_run(ulong addr, char *fname, ip_addr_t srvip) +{ + void *f = (void *)0x1; /* unused fake file handle*/ + err_t err; + + if (!fname || addr == 0) + return -1; + + done = NOT_DONE; + size = 0; + prevsize = 0; + daddr = addr; + + log_info("TFTP from server %s; our IP address is %s\n", + ip4addr_ntoa(&srvip), env_get("ipaddr")); + log_info("Filename '%s'.\n", fname); + log_info("Load address: 0x%lx\n", daddr); + log_info("Loading: "); + + err = tftp_init_client(&tftp_context); + if (!(err == ERR_OK || err == ERR_USE)) + log_err("tftp_init_client err: %d\n", err); + + start_time = get_timer(0); + err = tftp_get(f, &srvip, TFTP_PORT, fname, TFTP_MODE_OCTET); + /* might return different errors, like routing problems */ + if (err != ERR_OK) { + log_err("tftp_get err=%d\n", err); + return -1; + } + + while (!done) { + eth_rx(); + sys_check_timeouts(); + if (ctrlc()) + break; + } + + tftp_cleanup(); + + if (done == SUCCESS) { + if (env_set_hex("fileaddr", addr)) { + log_err("fileaddr not updated\n"); + return -1; + } + 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 *fname; + char *server_ip; + ip_addr_t srvip; + ulong addr; + char *end; + char *col; + + image_load_addr = 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]))) { + image_load_addr = addr; + fname = env_get("bootfile"); + } else { + fname = argv[1]; + } + break; + case 3: + image_load_addr = hextoul(argv[1], NULL); + fname = argv[2]; + break; + default: + return CMD_RET_USAGE; + } + + col = strchr(fname, ':'); + if (col) { + server_ip = fname; + *col = '\0'; + fname = col + 1; + } else { + server_ip = env_get("serverip"); + if (!server_ip) { + log_err("error: serverip variable has to be set\n"); + return CMD_RET_FAILURE; + } + } + if (!ipaddr_aton(server_ip, &srvip)) { + log_err("error: ipaddr_aton\n"); + return CMD_RET_FAILURE; + } + + if (!fname) { + log_err("error: no file name\n"); + return CMD_RET_FAILURE; + } + + if (!image_load_addr) { + log_err("error: no load address\n"); + return CMD_RET_FAILURE; + } + + if (tftp_run(image_load_addr, fname, srvip) < 0) + return CMD_RET_FAILURE; + + return CMD_RET_SUCCESS; }