This commit adds lwip library for the U-boot network stack. Supported commands: ping, tftp, dhcp and wget.
Signed-off-by: Maxim Uvarov maxim.uvarov@linaro.org --- .gitignore | 9 + boot/bootmeth_pxe.c | 2 +- cmd/net.c | 48 +---- cmd/pxe.c | 2 +- include/net.h | 8 +- lib/Kconfig | 2 + lib/Makefile | 2 + lib/lwip/Kconfig | 63 ++++++ lib/lwip/Makefile | 101 ++++++++++ lib/lwip/apps/dhcp/lwip-dhcp.c | 52 +++++ lib/lwip/apps/http/lwip-wget.c | 74 +++++++ lib/lwip/apps/ping/lwip_ping.c | 37 ++++ lib/lwip/apps/ping/lwip_ping.h | 24 +++ lib/lwip/apps/ping/ping.h | 35 ++++ lib/lwip/apps/tftp/lwip-tftp.c | 124 ++++++++++++ lib/lwip/cmd-lwip.c | 269 ++++++++++++++++++++++++++ lib/lwip/lwipopts.h | 203 +++++++++++++++++++ lib/lwip/port/if.c | 260 +++++++++++++++++++++++++ lib/lwip/port/include/arch/cc.h | 46 +++++ lib/lwip/port/include/arch/sys_arch.h | 59 ++++++ lib/lwip/port/include/limits.h | 0 lib/lwip/port/sys-arch.c | 20 ++ lib/lwip/ulwip.h | 9 + net/Kconfig | 1 + net/net.c | 24 +++ 25 files changed, 1430 insertions(+), 44 deletions(-) create mode 100644 lib/lwip/Kconfig create mode 100644 lib/lwip/Makefile create mode 100644 lib/lwip/apps/dhcp/lwip-dhcp.c create mode 100644 lib/lwip/apps/http/lwip-wget.c create mode 100644 lib/lwip/apps/ping/lwip_ping.c create mode 100644 lib/lwip/apps/ping/lwip_ping.h create mode 100644 lib/lwip/apps/ping/ping.h create mode 100644 lib/lwip/apps/tftp/lwip-tftp.c create mode 100644 lib/lwip/cmd-lwip.c create mode 100644 lib/lwip/lwipopts.h create mode 100644 lib/lwip/port/if.c create mode 100644 lib/lwip/port/include/arch/cc.h create mode 100644 lib/lwip/port/include/arch/sys_arch.h create mode 100644 lib/lwip/port/include/limits.h create mode 100644 lib/lwip/port/sys-arch.c create mode 100644 lib/lwip/ulwip.h
diff --git a/.gitignore b/.gitignore index eb769f144c..be3676c59e 100644 --- a/.gitignore +++ b/.gitignore @@ -104,3 +104,12 @@ __pycache__ # pylint files /pylint.cur /pylint.out/ + +lib/lwip/lwip-external +lib/lwip/apps/ping/ping.c +lib/lwip/apps/http/http_client.c +lib/lwip/apps/http/http_client.h +lib/lwip/apps/tftp/tftp.c +lib/lwip/apps/tftp/tftp_client.h +lib/lwip/apps/tftp/tftp_common.h +lib/lwip/apps/tftp/tftp_example.h diff --git a/boot/bootmeth_pxe.c b/boot/bootmeth_pxe.c index e6992168c0..30331a9806 100644 --- a/boot/bootmeth_pxe.c +++ b/boot/bootmeth_pxe.c @@ -118,7 +118,7 @@ static int distro_pxe_read_file(struct udevice *dev, struct bootflow *bflow, tftp_argv[1] = file_addr; tftp_argv[2] = (void *)file_path;
- if (do_tftpb(ctx->cmdtp, 0, 3, tftp_argv)) + if (do_lwip_tftp(ctx->cmdtp, 0, 3, tftp_argv)) return -ENOENT; ret = pxe_get_file_size(&size); if (ret) diff --git a/cmd/net.c b/cmd/net.c index 0e9f200ca9..6d704fba86 100644 --- a/cmd/net.c +++ b/cmd/net.c @@ -36,19 +36,9 @@ U_BOOT_CMD( #endif
#ifdef CONFIG_CMD_TFTPBOOT -int do_tftpb(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]) -{ - int ret; - - bootstage_mark_name(BOOTSTAGE_KERNELREAD_START, "tftp_start"); - ret = netboot_common(TFTPGET, cmdtp, argc, argv); - bootstage_mark_name(BOOTSTAGE_KERNELREAD_STOP, "tftp_done"); - return ret; -} - #if IS_ENABLED(CONFIG_IPV6) U_BOOT_CMD( - tftpboot, 4, 1, do_tftpb, + tftpboot, 4, 1, do_lwip_tftp, "boot image via network using TFTP protocol\n" "To use IPv6 add -ipv6 parameter or use IPv6 hostIPaddr framed " "with [] brackets", @@ -56,7 +46,7 @@ U_BOOT_CMD( ); #else U_BOOT_CMD( - tftpboot, 3, 1, do_tftpb, + tftpboot, 3, 1, do_lwip_tftp, "load file via network using TFTP protocol", "[loadAddress] [[hostIPaddr:]bootfilename]" ); @@ -112,7 +102,7 @@ U_BOOT_CMD( static int do_dhcp(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]) { - return netboot_common(DHCP, cmdtp, argc, argv); + return do_lwip_dhcp(); }
U_BOOT_CMD( @@ -137,13 +127,11 @@ U_BOOT_CMD( #endif
#if defined(CONFIG_CMD_WGET) -static int do_wget(struct cmd_tbl *cmdtp, int flag, int argc, char * const argv[]) -{ - return netboot_common(WGET, cmdtp, argc, argv); -} +int do_lwip_wget(struct cmd_tbl *cmdtp, int flag, int argc, + char *const argv[]);
U_BOOT_CMD( - wget, 3, 1, do_wget, + wget, 3, 1, do_lwip_wget, "boot image via network using HTTP protocol", "[loadAddress] [[hostIPaddr:]path and image name]" ); @@ -376,28 +364,10 @@ static int netboot_common(enum proto_t proto, struct cmd_tbl *cmdtp, int argc, }
#if defined(CONFIG_CMD_PING) -static int do_ping(struct cmd_tbl *cmdtp, int flag, int argc, - char *const argv[]) -{ - if (argc < 2) - return CMD_RET_USAGE; - - net_ping_ip = string_to_ip(argv[1]); - if (net_ping_ip.s_addr == 0) - return CMD_RET_USAGE; - - if (net_loop(PING) < 0) { - printf("ping failed; host %s is not alive\n", argv[1]); - return CMD_RET_FAILURE; - } - - printf("host %s is alive\n", argv[1]); - - return CMD_RET_SUCCESS; -} - +extern int do_lwip_ping(struct cmd_tbl *cmdtp, int flag, int argc, + char *const argv[]); U_BOOT_CMD( - ping, 2, 1, do_ping, + ping, 2, 1, do_lwip_ping, "send ICMP ECHO_REQUEST to network host", "pingAddress" ); diff --git a/cmd/pxe.c b/cmd/pxe.c index db8e4697f2..bd4d6f5f2b 100644 --- a/cmd/pxe.c +++ b/cmd/pxe.c @@ -33,7 +33,7 @@ static int do_get_tftp(struct pxe_context *ctx, const char *file_path, tftp_argv[1] = file_addr; tftp_argv[2] = (void *)file_path;
- if (do_tftpb(ctx->cmdtp, 0, 3, tftp_argv)) + if (do_lwip_tftp(ctx->cmdtp, 0, 3, tftp_argv)) return -ENOENT; ret = pxe_get_file_size(sizep); if (ret) diff --git a/include/net.h b/include/net.h index 1a99009959..6b573f3319 100644 --- a/include/net.h +++ b/include/net.h @@ -54,8 +54,10 @@ struct in_addr { __be32 s_addr; };
+int do_lwip_dhcp(void); + /** - * do_tftpb - Run the tftpboot command + * do_lwip_tftp - Run the tftpboot command * * @cmdtp: Command information for tftpboot * @flag: Command flags (CMD_FLAG_...) @@ -63,7 +65,7 @@ struct in_addr { * @argv: List of arguments * Return: result (see enum command_ret_t) */ -int do_tftpb(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]); +int do_lwip_tftp(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]);
/** * An incoming packet handler. @@ -561,7 +563,7 @@ extern int net_restart_wrap; /* Tried all network devices */
enum proto_t { BOOTP, RARP, ARP, TFTPGET, DHCP, PING, PING6, DNS, NFS, CDP, NETCONS, - SNTP, TFTPSRV, TFTPPUT, LINKLOCAL, FASTBOOT, WOL, UDP, NCSI, WGET + SNTP, TFTPSRV, TFTPPUT, LINKLOCAL, FASTBOOT, WOL, UDP, NCSI, WGET, LWIP };
extern char net_boot_file_name[1024];/* Boot File name */ diff --git a/lib/Kconfig b/lib/Kconfig index 3c5a4ab386..7485a1f3bf 100644 --- a/lib/Kconfig +++ b/lib/Kconfig @@ -1031,3 +1031,5 @@ menu "FWU Multi Bank Updates" source lib/fwu_updates/Kconfig
endmenu + +source lib/lwip/Kconfig diff --git a/lib/Makefile b/lib/Makefile index d77b33e7f4..3b80a41187 100644 --- a/lib/Makefile +++ b/lib/Makefile @@ -91,6 +91,8 @@ obj-$(CONFIG_LIBAVB) += libavb/ obj-$(CONFIG_$(SPL_TPL_)OF_LIBFDT) += libfdt/ obj-$(CONFIG_$(SPL_TPL_)OF_REAL) += fdtdec_common.o fdtdec.o
+obj-y += lwip/ + ifdef CONFIG_SPL_BUILD obj-$(CONFIG_SPL_YMODEM_SUPPORT) += crc16-ccitt.o obj-$(CONFIG_$(SPL_TPL_)HASH) += crc16-ccitt.o diff --git a/lib/lwip/Kconfig b/lib/lwip/Kconfig new file mode 100644 index 0000000000..3688ac3305 --- /dev/null +++ b/lib/lwip/Kconfig @@ -0,0 +1,63 @@ +menu "LWIP" +config LWIP_LIB + bool "Support LWIP library" + help + Selecting this option will enable the LWIP library code. + +menu "LWIP options" + +config LWIP_LIB_DEBUG + bool "enable debug" + default n + +config LWIP_LIB_NOASSERT + bool "disable asserts" + default y + help + Disabling asserts reduces binary size on 16k. + +config LWIP_LIB_TCP + bool "tcp" + default y + +config LWIP_LIB_UDP + bool "udp" + default y + +config LWIP_LIB_DNS + bool "dns" + default n + +config LWIP_LIB_DHCP + bool "dhcp" + default y + +config LWIP_LIB_LOOPBACK + bool "loopback" + help + Increases size on 1k. + +config LWIP_LIB_SOCKET + bool "socket API" + +config LWIP_LIB_NETCONN + bool "netconn API" + +config LWIP_LIB_MEM_SIZE + int "mem size" + default 1600 + range 1 4096 + help + MEM_SIZE: the size of the heap memory. If the application will send + a lot of data that needs to be copied, this should be set high. + +config LWIP_LIB_PBUF_LINK_HLEN + int "pbuf link hlen" + default 14 + range 4 1024 + help + PBUF_LINK_HLEN: the number of bytes that should be allocated for a + link level header. The default is 14, the standard value for Ethernet. +endmenu + +endmenu diff --git a/lib/lwip/Makefile b/lib/lwip/Makefile new file mode 100644 index 0000000000..e1a8a2a7b7 --- /dev/null +++ b/lib/lwip/Makefile @@ -0,0 +1,101 @@ +# SPDX-License-Identifier: GPL-2.0+ +# +# (C) Copyright 2023 Linaro Ltd. maxim.uvarov@linaro.org + +LWIPDIR=lwip-external/src + +ccflags-y += -I$(srctree)/lib/lwip/port/include +ccflags-y += -I$(srctree)/lib/lwip/lwip-external/src/include -I$(srctree)/lib/lwip + +obj-$(CONFIG_NET) += $(LWIPDIR)/core/init.o \ + $(LWIPDIR)/core/def.o \ + $(LWIPDIR)/core/dns.o \ + $(LWIPDIR)/core/inet_chksum.o \ + $(LWIPDIR)/core/ip.o \ + $(LWIPDIR)/core/mem.o \ + $(LWIPDIR)/core/memp.o \ + $(LWIPDIR)/core/netif.o \ + $(LWIPDIR)/core/pbuf.o \ + $(LWIPDIR)/core/raw.o \ + $(LWIPDIR)/core/stats.o \ + $(LWIPDIR)/core/sys.o \ + $(LWIPDIR)/core/altcp.o \ + $(LWIPDIR)/core/altcp_alloc.o \ + $(LWIPDIR)/core/altcp_tcp.o \ + $(LWIPDIR)/core/tcp.o \ + $(LWIPDIR)/core/tcp_in.o \ + $(LWIPDIR)/core/tcp_out.o \ + $(LWIPDIR)/core/timeouts.o \ + $(LWIPDIR)/core/udp.o + +# IPv4 +obj-$(CONFIG_NET) += $(LWIPDIR)/core/ipv4/acd.o \ + $(LWIPDIR)/core/ipv4/autoip.o \ + $(LWIPDIR)/core/ipv4/dhcp.o \ + $(LWIPDIR)/core/ipv4/etharp.o \ + $(LWIPDIR)/core/ipv4/icmp.o \ + $(LWIPDIR)/core/ipv4/igmp.o \ + $(LWIPDIR)/core/ipv4/ip4_frag.o \ + $(LWIPDIR)/core/ipv4/ip4.o \ + $(LWIPDIR)/core/ipv4/ip4_addr.o +# IPv6 +obj-$(CONFIG_NET) += $(LWIPDIR)/core/ipv6/dhcp6.o \ + $(LWIPDIR)/core/ipv6/ethip6.o \ + $(LWIPDIR)/core/ipv6/icmp6.o \ + $(LWIPDIR)/core/ipv6/inet6.o \ + $(LWIPDIR)/core/ipv6/ip6.o \ + $(LWIPDIR)/core/ipv6/ip6_addr.o \ + $(LWIPDIR)/core/ipv6/ip6_frag.o \ + $(LWIPDIR)/core/ipv6/mld6.o \ + $(LWIPDIR)/core/ipv6/nd6.o +# API +obj-$(CONFIG_NET) += $(LWIPDIR)/api/api_lib.o \ + $(LWIPDIR)/api/api_msg.o \ + $(LWIPDIR)/api/err.o \ + $(LWIPDIR)/api/if_api.o \ + $(LWIPDIR)/api/netbuf.o \ + $(LWIPDIR)/api/netdb.o \ + $(LWIPDIR)/api/netifapi.o \ + $(LWIPDIR)/api/sockets.o \ + $(LWIPDIR)/api/tcpip.o + +# Netdevs +obj-$(CONFIG_NET) += $(LWIPDIR)/netif/ethernet.o + +obj-$(CONFIG_NET) += port/if.o +obj-$(CONFIG_NET) += port/sys-arch.o + +obj-$(CONFIG_NET) += cmd-lwip.o + + +ccflags-y += -I$(srctree)/lib/lwip/apps/ping +.PHONY: $(obj)/apps/ping/ping.c +$(obj)/apps/ping/ping.o: $(obj)/apps/ping/ping.c +$(obj)/apps/ping/ping.c: + cp $(srctree)/lib/lwip/lwip-external/contrib/apps/ping/ping.c $(obj)/apps/ping/ping.c + +obj-$(CONFIG_CMD_PING) += apps/ping/ping.o +obj-$(CONFIG_CMD_PING) += apps/ping/lwip_ping.o + +$(obj)/apps/http/http_clinet.o: $(obj)/apps/http/http_client.c +.PHONY: $(obj)/apps/http/http_client.c +$(obj)/apps/http/http_client.c: + cp $(srctree)/lib/lwip/lwip-external/src/apps/http/http_client.c $(obj)/apps/http/http_client.c + cp $(srctree)/lib/lwip/lwip-external/src/include/lwip/apps/http_client.h $(obj)/apps/http/http_client.h + +obj-$(CONFIG_CMD_WGET) += apps/http/http_client.o +obj-$(CONFIG_CMD_WGET) += apps/http/lwip-wget.o + +ccflags-y += -I$(CURDIR)/lib/lwip/apps/tftp +$(obj)/apps/tftp/tftp.o: $(obj)/apps/tftp/tftp.c +.PHONY: $(obj)/apps/tftp/tftp.c +$(obj)/apps/tftp/tftp.c: + cp $(srctree)/lib/lwip/lwip-external/src/apps/tftp/tftp.c $(obj)/apps/tftp/tftp.c + cp $(srctree)/lib/lwip/lwip-external/src/include/lwip/apps/tftp_client.h $(obj)/apps/tftp/tftp_client.h + cp $(srctree)/lib/lwip/lwip-external/src/include/lwip/apps/tftp_common.h $(obj)/apps/tftp/tftp_common.h + cp $(srctree)/lib/lwip/lwip-external/contrib/examples/tftp/tftp_example.h $(obj)/apps/tftp/tftp_example.h + +obj-$(CONFIG_CMD_TFTPBOOT) += apps/tftp/tftp.o +obj-$(CONFIG_CMD_TFTPBOOT) += apps/tftp/lwip-tftp.o + +obj-$(CONFIG_CMD_DHCP) += apps/dhcp/lwip-dhcp.o diff --git a/lib/lwip/apps/dhcp/lwip-dhcp.c b/lib/lwip/apps/dhcp/lwip-dhcp.c new file mode 100644 index 0000000000..2e4812c7dd --- /dev/null +++ b/lib/lwip/apps/dhcp/lwip-dhcp.c @@ -0,0 +1,52 @@ +// SPDX-License-Identifier: GPL-2.0 + +/* + * (C) Copyright 2023 Linaro Ltd. maxim.uvarov@linaro.org + */ + +#include <common.h> +#include <command.h> +#include <console.h> + +#include <lwip/dhcp.h> +#include <lwip/prot/dhcp.h> + +#include "../../../lwip/ulwip.h" + +static struct dhcp dhcp; +static bool dhcp_is_set; +extern struct netif uboot_netif; + +static int ulwip_dhcp_tmo(void) +{ + switch (dhcp.state) { + case DHCP_STATE_BOUND: + env_set("bootfile", dhcp.boot_file_name); + env_set("ipaddr", ip4addr_ntoa(&dhcp.offered_ip_addr)); + env_set("netmask", ip4addr_ntoa(&dhcp.offered_sn_mask)); + env_set("serverip", ip4addr_ntoa(&dhcp.server_ip_addr)); + printf("DHCP client bound to address %s\n", ip4addr_ntoa(&dhcp.offered_ip_addr)); + break; + default: + return 0; + } + + return 0; +} + +int ulwip_dhcp(void) +{ + int err; + + ulwip_set_tmo(ulwip_dhcp_tmo); + + if (!dhcp_is_set) { + dhcp_set_struct(&uboot_netif, &dhcp); + dhcp_is_set = true; + } + err = dhcp_start(&uboot_netif); + if (err) + printf("dhcp_start error %d\n", err); + + return err; +} diff --git a/lib/lwip/apps/http/lwip-wget.c b/lib/lwip/apps/http/lwip-wget.c new file mode 100644 index 0000000000..0308b0b04a --- /dev/null +++ b/lib/lwip/apps/http/lwip-wget.c @@ -0,0 +1,74 @@ +// SPDX-License-Identifier: GPL-2.0 + +/* + * (C) Copyright 2023 Linaro Ltd. maxim.uvarov@linaro.org + */ + +#include <common.h> +#include <command.h> +#include <console.h> + +#include "http_client.h" +#include "../../../lwip/ulwip.h" + +static ulong daddr; +static httpc_connection_t settings; + +static err_t httpc_recv(void *arg, struct altcp_pcb *pcb, struct pbuf *p, err_t err) +{ + struct pbuf *q; + LWIP_UNUSED_ARG(err); + + if (!p) + return ERR_BUF; + + for (q = p; q != NULL; q = q->next) { + memcpy((void *)daddr, q->payload, q->len); + printf("downloaded chunk size %d, to addr 0x%lx\n", q->len, daddr); + daddr += q->len; + } + altcp_recved(pcb, p->tot_len); + pbuf_free(p); + return ERR_OK; +} + +static void httpc_result(void *arg, httpc_result_t httpc_result, u32_t rx_content_len, + u32_t srv_res, err_t err) +{ + if (httpc_result == HTTPC_RESULT_OK) { + printf("\n%d bytes successfully downloaded.\n", rx_content_len); + env_set_ulong("filesize", rx_content_len); + ulwip_exit(0); + } else { + printf("\nhttp eroror: %d\n", httpc_result); + ulwip_exit(-1); + } +} + +int lwip_wget(ulong addr, char *url) +{ + err_t err; + int port = 80; + char *server_name; + httpc_state_t *connection; + + daddr = addr; + server_name = env_get("serverip"); + if (!server_name) { + printf("error: serverip variable has to be set\n"); + return CMD_RET_FAILURE; + } + + printf("downloading %s to addr 0x%lx\n", url, addr); + memset(&settings, 0, sizeof(httpc_connection_t)); + settings.result_fn = httpc_result; + err = httpc_get_file_dns(server_name, port, url, &settings, + httpc_recv, NULL, &connection); + if (err != ERR_OK) { + printf("httpc_init_connection failed\n"); + return err; + } + + env_set_hex("fileaddr", addr); + return 0; +} diff --git a/lib/lwip/apps/ping/lwip_ping.c b/lib/lwip/apps/ping/lwip_ping.c new file mode 100644 index 0000000000..a05dc76326 --- /dev/null +++ b/lib/lwip/apps/ping/lwip_ping.c @@ -0,0 +1,37 @@ +// SPDX-License-Identifier: GPL-2.0 + +/* + * (C) Copyright 2023 Linaro Ltd. maxim.uvarov@linaro.org + */ + +#include "lwip/opt.h" +#include "lwip/ip_addr.h" +#include "ping.h" + +#include "../../../lwip/ulwip.h" + +static ip_addr_t ip_target; + +static int ulwip_ping_tmo(void) +{ + + printf("ping failed; host %s is not alive\n", ipaddr_ntoa(&ip_target)); + return 0; +} + +int lwip_ping_init(char *ping_addr) +{ + int err; + + err = ipaddr_aton(ping_addr, &ip_target); + if (err == 0) { + printf("wrong ping addr string "%s" \n", ping_addr); + return -1; + } + + ulwip_set_tmo(ulwip_ping_tmo); + + ping_init(&ip_target); + + return 0; +} diff --git a/lib/lwip/apps/ping/lwip_ping.h b/lib/lwip/apps/ping/lwip_ping.h new file mode 100644 index 0000000000..7f08095427 --- /dev/null +++ b/lib/lwip/apps/ping/lwip_ping.h @@ -0,0 +1,24 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ + +/* + * (C) Copyright 2023 Linaro Ltd. maxim.uvarov@linaro.org + */ + +#ifndef LWIP_PING_H +#define LWIP_PING_H + +#include <lwip/ip_addr.h> + +/** + * PING_USE_SOCKETS: Set to 1 to use sockets, otherwise the raw api is used + */ +#ifndef PING_USE_SOCKETS +#define PING_USE_SOCKETS 0 +#endif + +int lwip_ping_init(char *ping_addr); + +void ping_raw_init(void); +void ping_send_now(void); + +#endif /* LWIP_PING_H */ diff --git a/lib/lwip/apps/ping/ping.h b/lib/lwip/apps/ping/ping.h new file mode 100644 index 0000000000..0dd4bd78c7 --- /dev/null +++ b/lib/lwip/apps/ping/ping.h @@ -0,0 +1,35 @@ +/* SPDX-License-Identifier: GPL-2.0 */ + +#include "../../../lwip/ulwip.h" + +#include "lwip/prot/ip4.h" + +#define ip4_print_parts(a, b, c, d) \ + printf("%" U16_F ".%" U16_F ".%" U16_F ".%" U16_F, a, b, c, d); + +#define ip4_print(ipaddr) \ + ip4_print_parts(\ + (u16_t)((ipaddr) != NULL ? ip4_addr1_16(ipaddr) : 0), \ + (u16_t)((ipaddr) != NULL ? ip4_addr2_16(ipaddr) : 0), \ + (u16_t)((ipaddr) != NULL ? ip4_addr3_16(ipaddr) : 0), \ + (u16_t)((ipaddr) != NULL ? ip4_addr4_16(ipaddr) : 0)) + + +#define LWIP_DEBUG 1 /* ping_time is under ifdef*/ +#define PING_RESULT(cond) { \ + if (cond == 1) { \ + printf("host "); \ + ip4_print(addr); \ + printf(" is alive\n"); \ + printf(" %"U32_F" ms\n", (sys_now() - ping_time)); \ + ulwip_exit(0); \ + } else { \ + printf("ping failed; host "); \ + ip4_print(addr); \ + printf(" is not alive\n"); \ + ulwip_exit(-1); \ + } \ + } while (0); + +#include "lwip/ip_addr.h" +void ping_init(const ip_addr_t *ping_addr); diff --git a/lib/lwip/apps/tftp/lwip-tftp.c b/lib/lwip/apps/tftp/lwip-tftp.c new file mode 100644 index 0000000000..511d82e600 --- /dev/null +++ b/lib/lwip/apps/tftp/lwip-tftp.c @@ -0,0 +1,124 @@ +// SPDX-License-Identifier: GPL-2.0 + +/* + * (C) Copyright 2023 Linaro Ltd. maxim.uvarov@linaro.org + */ + +#include <common.h> +#include <command.h> +#include <console.h> + +#include "lwip/apps/tftp_client.h" +#include "lwip/apps/tftp_server.h" +#include <tftp_example.h> + +#include <string.h> + +#include "../../../lwip/ulwip.h" + +#if LWIP_UDP + +static ulong daddr; +static ulong size; + +static void *tftp_open(const char *fname, const char *mode, u8_t is_write) +{ + LWIP_UNUSED_ARG(mode); + return NULL; +} + +static void tftp_close(void *handle) +{ + printf("\ndone\n"); + printf("Bytes transferred = %ld (0x%lx hex)\n", size, size); + + env_set_ulong("filesize", size); + ulwip_exit(0); +} + +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); + /* printf("downloaded chunk size %d, to addr 0x%lx\n", q->len, daddr); */ + daddr += q->len; + size += q->len; + printf("#"); + } + + return 0; +} + +/* For TFTP client only */ +static void tftp_error(void *handle, int err, const char *msg, int size) +{ + char message[100]; + + LWIP_UNUSED_ARG(handle); + + memset(message, 0, sizeof(message)); + MEMCPY(message, msg, LWIP_MIN(sizeof(message)-1, (size_t)size)); + + printf("TFTP error: %d (%s)", err, message); +} + +static const struct tftp_context tftp = { + tftp_open, + tftp_close, + tftp_read, + tftp_write, + tftp_error +}; + +int lwip_tftp(ulong addr, char *fname) +{ + void *f = (void *)0x1; /*fake handle*/ + err_t err; + ip_addr_t srv; + int ret; + char *server_ip; + + if (!fname || addr == 0) + return CMD_RET_FAILURE; + + size = 0; + daddr = addr; + server_ip = env_get("serverip"); + if (!server_ip) { + printf("error: serverip variable has to be set\n"); + return CMD_RET_FAILURE; + } + + ret = ipaddr_aton(server_ip, &srv); + LWIP_ASSERT("ipaddr_aton failed", ret == 1); + + printf("TFTP from server %s; our IP address is %s\n", + server_ip, env_get("ipaddr")); + printf("Filename '%s'.\n", fname); + printf("Load address: 0x%lx\n", daddr); + printf("Loading:"); + + err = tftp_init_client(&tftp); + if (!(err == ERR_OK || err == ERR_USE)) + printf("tftp_init_client err: %d\n", err); + + err = tftp_get(f, &srv, TFTP_PORT, fname, TFTP_MODE_OCTET); + /* might return different errors, like routing problems */ + if (err != ERR_OK) { + printf("tftp_get err=%d\n", err); + } + LWIP_ASSERT("tftp_get failed", err == ERR_OK); + + env_set_hex("fileaddr", addr); + return err; +} +#else +#error "UDP has to be supported" +#endif /* LWIP_UDP */ diff --git a/lib/lwip/cmd-lwip.c b/lib/lwip/cmd-lwip.c new file mode 100644 index 0000000000..625c8c53b8 --- /dev/null +++ b/lib/lwip/cmd-lwip.c @@ -0,0 +1,269 @@ +// SPDX-License-Identifier: GPL-2.0 + +/* + * (C) Copyright 2023 Maxim Uvarov, maxim.uvarov@linaro.org + */ + +#include <common.h> +#include <command.h> +#include <console.h> +#include <display_options.h> +#include <memalign.h> +#include <net.h> +#include <image.h> + +#include "apps/ping/lwip_ping.h" +#include "ulwip.h" + +extern int uboot_lwip_init(void); +extern int uboot_lwip_loop_is_done(void); + +static int do_lwip_info(struct cmd_tbl *cmdtp, int flag, int argc, + char *const argv[]) +{ + printf("TBD: %s\n", __func__); + return CMD_RET_SUCCESS; +} + +static int do_lwip_init(struct cmd_tbl *cmdtp, int flag, int argc, + char *const argv[]) +{ + if (!uboot_lwip_init()) + return CMD_RET_SUCCESS; + return CMD_RET_FAILURE; +} + +static int lwip_empty_tmo(void) { return 0; }; +int (*ulwip_tmo)(void) = lwip_empty_tmo; +void ulwip_set_tmo(int (*tmo)(void)) +{ + ulwip_tmo = tmo; +} + +static void ulwip_clear_tmo(void) +{ + ulwip_tmo = lwip_empty_tmo; +} + +static void ulwip_timeout_handler(void) +{ + eth_halt(); + ulwip_tmo(); + net_set_state(NETLOOP_FAIL); /* we did not get the reply */ + ulwip_loop_set(0); +} + +static int ulwip_loop(void) +{ + ulwip_loop_set(1); + if (net_loop(LWIP) < 0) { + ulwip_loop_set(0); + return CMD_RET_FAILURE; + } + ulwip_loop_set(0); + return CMD_RET_SUCCESS; +} + +#if defined(CONFIG_CMD_PING) +int do_lwip_ping(struct cmd_tbl *cmdtp, int flag, int argc, + char *const argv[]) +{ + if (argc < 2) { + printf("argc = %d, error\n", argc); + return CMD_RET_USAGE; + } + + uboot_lwip_init(); + + eth_init(); /* activate u-boot eth dev */ + + printf("Using %s device\n", eth_get_name()); + printf("pinging addr: %s\n", argv[1]); + + net_set_timeout_handler(1000UL, ulwip_timeout_handler); + + if (lwip_ping_init(argv[1])) { + printf("ping init fail\n"); + return CMD_RET_FAILURE; + } + + ping_send_now(); + + return ulwip_loop(); +} +#endif /* CONFIG_CMD_PING */ + +#if defined(CONFIG_CMD_WGET) +extern int lwip_wget(ulong addr, char *url); + +int do_lwip_wget(struct cmd_tbl *cmdtp, int flag, int argc, + char *const argv[]) +{ + char *url; + + if (argc < 2) { + printf("argc = %d, error\n", argc); + return CMD_RET_USAGE; + } + url = argv[1]; + + uboot_lwip_init(); + + eth_init(); /* activate u-boot eth dev */ + + lwip_wget(image_load_addr, url); + + return ulwip_loop(); +} +#endif + +#if defined(CONFIG_CMD_TFTPBOOT) +extern int lwip_tftp(ulong addr, char *filename); + +int do_lwip_tftp(struct cmd_tbl *cmdtp, int flag, int argc, + char *const argv[]) +{ + char *filename; + ulong addr; + char *end; + int ret; + + switch (argc) { + case 1: + filename = 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; + filename = env_get("bootfile"); + } else { + filename = argv[1]; + } + break; + case 3: + image_load_addr = hextoul(argv[1], NULL); + filename = argv[2]; + break; + default: + return CMD_RET_USAGE; + } + + uboot_lwip_init(); + + eth_init(); /* activate u-boot eth dev */ + + ret = lwip_tftp(image_load_addr, filename); + if (ret) + return ret; + + return ulwip_loop(); +} +#endif /* CONFIG_CMD_TFTPBOOT */ + +#if defined(CONFIG_CMD_DHCP) +extern int ulwip_dhcp(void); + +int do_lwip_dhcp(void) +{ + int ret; + char *filename; + + uboot_lwip_init(); + + ret = ulwip_dhcp(); + + net_set_timeout_handler(2000UL, ulwip_timeout_handler); + + ulwip_loop(); + if (IS_ENABLED(CONFIG_CMD_TFTPBOOT)) { + ulwip_clear_tmo(); + + filename = env_get("bootfile"); + if (!filename) { + printf("no bootfile\n"); + return CMD_RET_FAILURE; + } + + eth_init(); /* activate u-boot eth dev */ + net_set_timeout_handler(20000UL, ulwip_timeout_handler); + lwip_tftp(image_load_addr, filename); + + ret = ulwip_loop(); + } + + return ret; +} + +static int _do_lwip_dhcp(struct cmd_tbl *cmdtp, int flag, int argc, + char *const argv[]) +{ + return do_lwip_dhcp(); +} +#endif /* CONFIG_CMD_DHCP */ + +static struct cmd_tbl cmds[] = { + U_BOOT_CMD_MKENT(info, 1, 0, do_lwip_info, "Info and stats", ""), + U_BOOT_CMD_MKENT(init, 1, 0, do_lwip_init, + "initialize lwip stack", ""), +#if defined(CONFIG_CMD_LWIP_PING) + U_BOOT_CMD_MKENT(ping, 2, 0, do_lwip_ping, + "send ICMP ECHO_REQUEST to network host", + "pingAddress"), +#endif +#if defined(CONFIG_CMD_WGET) + U_BOOT_CMD_MKENT(wget, 2, 0, do_lwip_wget, "", ""), +#endif +#if defined(CONFIG_CMD_TFTPBOOT) + U_BOOT_CMD_MKENT(tftp, 3, 0, do_lwip_tftp, + "boot image via network using TFTP protocol\n", + "[loadAddress] [[hostIPaddr:]bootfilename]"), +#endif +#if defined(CONFIG_CMD_DHCP) + U_BOOT_CMD_MKENT(dhcp, 1, 0, _do_lwip_dhcp, + "boot image via network using DHCP/TFTP protocol", + ""), +#endif +}; + +static int do_ops(struct cmd_tbl *cmdtp, int flag, int argc, + char *const argv[]) +{ + struct cmd_tbl *cp; + + cp = find_cmd_tbl(argv[1], cmds, ARRAY_SIZE(cmds)); + + argc--; + argv++; + + if (cp == NULL || argc > cp->maxargs) + return CMD_RET_USAGE; + if (flag == CMD_FLAG_REPEAT && !cmd_is_repeatable(cp)) + return CMD_RET_SUCCESS; + + return cp->cmd(cmdtp, flag, argc, argv); +} + +U_BOOT_CMD( + lwip, 4, 1, do_ops, + "LWIP sub system", + "info - display info\n" + "init - init LWIP\n" + "ping addr - pingAddress\n" + "wget http://IPadress/url/%5Cn" + "tftp [loadAddress] [[hostIPaddr:]bootfilename]\n" + "dhcp - boot image via network using DHCP/TFTP protocol\n" + ); + +/* Old command kept for compatibility. Same as 'mmc info' */ +U_BOOT_CMD( + lwipinfo, 1, 0, do_lwip_info, + "display LWIP info", + "- display LWIP stack info" +); diff --git a/lib/lwip/lwipopts.h b/lib/lwip/lwipopts.h new file mode 100644 index 0000000000..b943d7b9be --- /dev/null +++ b/lib/lwip/lwipopts.h @@ -0,0 +1,203 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ + +/* + * (C) Copyright 2023 Linaro Ltd. maxim.uvarov@linaro.org + */ + +#ifndef LWIP_LWIPOPTS_H +#define LWIP_LWIPOPTS_H + +#include "lwipopts.h" + +#if defined(CONFIG_LWIP_LIB_DEBUG) +#define LWIP_DEBUG 1 +#define LWIP_DBG_MIN_LEVEL LWIP_DBG_LEVEL_ALL +#define LWIP_DBG_TYPES_ON LWIP_DBG_ON +#define ETHARP_DEBUG LWIP_DBG_OFF +#define NETIF_DEBUG LWIP_DBG_OFF +#define PBUF_DEBUG LWIP_DBG_OFF +#define API_LIB_DEBUG LWIP_DBG_OFF +#define API_MSG_DEBUG LWIP_DBG_OFF +#define SOCKETS_DEBUG LWIP_DBG_OFF +#define ICMP_DEBUG LWIP_DBG_OFF +#define IGMP_DEBUG LWIP_DBG_OFF +#define INET_DEBUG LWIP_DBG_OFF +#define IP_DEBUG LWIP_DBG_OFF +#define IP_REASS_DEBUG LWIP_DBG_OFF +#define RAW_DEBUG LWIP_DBG_OFF +#define MEM_DEBUG LWIP_DBG_OFF +#define MEMP_DEBUG LWIP_DBG_OFF +#define SYS_DEBUG LWIP_DBG_OFF +#define TIMERS_DEBUG LWIP_DBG_OFF +#define TCP_DEBUG LWIP_DBG_OFF +#define TCP_INPUT_DEBUG LWIP_DBG_OFF +#define TCP_FR_DEBUG LWIP_DBG_OFF +#define TCP_RTO_DEBUG LWIP_DBG_OFF +#define TCP_CWND_DEBUG LWIP_DBG_OFF +#define TCP_WND_DEBUG LWIP_DBG_OFF +#define TCP_OUTPUT_DEBUG LWIP_DBG_OFF +#define TCP_RST_DEBUG LWIP_DBG_OFF +#define TCP_QLEN_DEBUG LWIP_DBG_OFF +#define UDP_DEBUG LWIP_DBG_OFF +#define TCPIP_DEBUG LWIP_DBG_OFF +#define SLIP_DEBUG LWIP_DBG_OFF +#define DHCP_DEBUG LWIP_DBG_ON +#define AUTOIP_DEBUG LWIP_DBG_ON +#define DNS_DEBUG LWIP_DBG_OFF +#define IP6_DEBUG LWIP_DBG_OFF +#define DHCP6_DEBUG LWIP_DBG_OFF +#else +#define LWIP_DBG_MIN_LEVEL LWIP_DBG_LEVEL_ALL +#define LWIP_DBG_TYPES_ON LWIP_DBG_OFF +#define ETHARP_DEBUG LWIP_DBG_OFF +#define NETIF_DEBUG LWIP_DBG_OFF +#define PBUF_DEBUG LWIP_DBG_OFF +#define API_LIB_DEBUG LWIP_DBG_OFF +#define API_MSG_DEBUG LWIP_DBG_OFF +#define SOCKETS_DEBUG LWIP_DBG_OFF +#define ICMP_DEBUG LWIP_DBG_OFF +#define IGMP_DEBUG LWIP_DBG_OFF +#define INET_DEBUG LWIP_DBG_OFF +#define IP_DEBUG LWIP_DBG_OFF +#define IP_REASS_DEBUG LWIP_DBG_OFF +#define RAW_DEBUG LWIP_DBG_OFF +#define MEM_DEBUG LWIP_DBG_OFF +#define MEMP_DEBUG LWIP_DBG_OFF +#define SYS_DEBUG LWIP_DBG_OFF +#define TIMERS_DEBUG LWIP_DBG_OFF +#define TCP_DEBUG LWIP_DBG_OFF +#define TCP_INPUT_DEBUG LWIP_DBG_OFF +#define TCP_FR_DEBUG LWIP_DBG_OFF +#define TCP_RTO_DEBUG LWIP_DBG_OFF +#define TCP_CWND_DEBUG LWIP_DBG_OFF +#define TCP_WND_DEBUG LWIP_DBG_OFF +#define TCP_OUTPUT_DEBUG LWIP_DBG_OFF +#define TCP_RST_DEBUG LWIP_DBG_OFF +#define TCP_QLEN_DEBUG LWIP_DBG_OFF +#define UDP_DEBUG LWIP_DBG_OFF +#define TCPIP_DEBUG LWIP_DBG_OFF +#define SLIP_DEBUG LWIP_DBG_OFF +#define DHCP_DEBUG LWIP_DBG_OFF +#define AUTOIP_DEBUG LWIP_DBG_OFF +#define DNS_DEBUG LWIP_DBG_OFF +#define IP6_DEBUG LWIP_DBG_OFF +#define DHCP6_DEBUG LWIP_DBG_OFF +#endif +#define LWIP_TESTMODE 0 + +#if defined(CONFIG_LWIP_LIB_NOASSERT) +#define LWIP_NOASSERT 1 +#define LWIP_ASSERT(message, assertion) +#endif + +#include "lwip/debug.h" + +#define SYS_LIGHTWEIGHT_PROT 0 +#define NO_SYS 0 + +#define MEM_ALIGNMENT 1 +#define MEM_SIZE CONFIG_LWIP_LIB_MEM_SIZE + +#define MEMP_NUM_PBUF 4 +#define MEMP_NUM_RAW_PCB 2 +#define MEMP_NUM_UDP_PCB 4 +#define MEMP_NUM_TCP_PCB 2 +#define MEMP_NUM_TCP_PCB_LISTEN 2 +#define MEMP_NUM_TCP_SEG 16 +#define MEMP_NUM_REASSDATA 1 +#define MEMP_NUM_ARP_QUEUE 2 +#define MEMP_NUM_SYS_TIMEOUT 4 +#define MEMP_NUM_NETBUF 2 +#define MEMP_NUM_NETCONN 32 +#define MEMP_NUM_TCPIP_MSG_API 8 +#define MEMP_NUM_TCPIP_MSG_INPKT 8 +#define PBUF_POOL_SIZE 8 + +#define LWIP_ARP 1 + +#define IP_FORWARD 0 +#define IP_OPTIONS_ALLOWED 1 +#define IP_REASSEMBLY 1 +#define IP_FRAG 1 +#define IP_REASS_MAXAGE 3 +#define IP_REASS_MAX_PBUFS 4 +#define IP_FRAG_USES_STATIC_BUF 0 + +#define IP_DEFAULT_TTL 255 + +#define LWIP_ICMP 1 + +#define LWIP_RAW 1 + +#if defined(CONFIG_LWIP_LIB_DHCP) +#define LWIP_DHCP 1 +#define LWIP_DHCP_BOOTP_FILE 1 +#else +#define LWIP_DHCP 0 +#endif +#define LWIP_DHCP_DOES_ACD_CHECK 0 + +#define LWIP_AUTOIP 0 + +#define LWIP_SNMP 0 + +#define LWIP_IGMP 0 + +#if defined(CONFIG_LWIP_LIB_DNS) +#define LWIP_DNS 1 +#else +#define LWIP_DNS 0 +#endif + +#if defined(CONFIG_LWIP_LIB_TCP) +#define LWIP_UDP 1 +#else +#define LWIP_UDP 0 +#endif + +#if defined(CONFIG_LWIP_LIB_TCP) +#define LWIP_TCP 1 +#else +#define LWIP_TCP 0 +#endif + +#define LWIP_LISTEN_BACKLOG 0 + +#define PBUF_LINK_HLEN CONFIG_LWIP_LIB_PBUF_LINK_HLEN +#define PBUF_POOL_BUFSIZE LWIP_MEM_ALIGN_SIZE(TCP_MSS + 40 + PBUF_LINK_HLEN) + +#define LWIP_HAVE_LOOPIF 0 + +#if defined(CONFIG_LWIP_LIB_NETCONN) +#define LWIP_NETCONN 1 +#else +#define LWIP_NETCONN 0 +#define LWIP_DISABLE_MEMP_SANITY_CHECKS 1 +#endif + +#if defined(CONFIG_LWIP_LIB_SOCKET) +#define LWIP_SOCKET 1 + +#define SO_REUSE 1 +#else +#define LWIP_SOCKET 0 +#define SO_REUSE 0 +#endif + +#define LWIP_STATS 0 + +#define PPP_SUPPORT 0 + +#define LWIP_TCPIP_CORE_LOCKING 0 + +#if defined(CONFIG_LWIP_LIB_LOOPBACK) +#define LWIP_NETIF_LOOPBACK 1 +#else +#define LWIP_NETIF_LOOPBACK 0 +#endif +/* use malloc instead of pool */ +#define MEMP_MEM_MALLOC 1 +#define MEMP_MEM_INIT 1 +#define MEM_LIBC_MALLOC 1 + +#endif /* LWIP_LWIPOPTS_H */ diff --git a/lib/lwip/port/if.c b/lib/lwip/port/if.c new file mode 100644 index 0000000000..37c02a451f --- /dev/null +++ b/lib/lwip/port/if.c @@ -0,0 +1,260 @@ +// SPDX-License-Identifier: GPL-2.0 + +/* + * (C) Copyright 2023 Linaro Ltd. maxim.uvarov@linaro.org + */ + +#include <common.h> +#include <command.h> +extern int eth_init(void); /* net.h */ +extern void string_to_enetaddr(const char *addr, uint8_t *enetaddr); /* net.h */ +extern struct in_addr net_ip; +extern u8 net_ethaddr[6]; + +#include "lwip/debug.h" +#include "lwip/arch.h" +#include "netif/etharp.h" +#include "lwip/stats.h" +#include "lwip/def.h" +#include "lwip/mem.h" +#include "lwip/pbuf.h" +#include "lwip/sys.h" +#include "lwip/netif.h" + +#include "lwip/ip.h" + +#define IFNAME0 'e' +#define IFNAME1 '0' + +static struct pbuf *low_level_input(struct netif *netif); +static int uboot_net_use_lwip; + +int ulwip_enabled(void) +{ + return uboot_net_use_lwip; +} + +/* 1 - in loop + * 0 - no loop + */ +static int loop_lwip; + +/* ret 1 - in loop + * 0 - no loop + */ +int ulwip_in_loop(void) +{ + return loop_lwip; +} + +void ulwip_loop_set(int loop) +{ + loop_lwip = loop; +} + +static int ulwip_app_err; + +void ulwip_exit(int err) +{ + ulwip_app_err = err; + ulwip_loop_set(0); +} + +int ulwip_app_get_err(void) +{ + return ulwip_app_err; +} + +struct uboot_lwip_if { +}; + +#if defined(CONFIG_CMD_DHCP) +struct netif uboot_netif; +#else +static struct netif uboot_netif; +#endif + +#define LWIP_PORT_INIT_NETMASK(addr) IP4_ADDR((addr), 255, 255, 255, 0) + +extern uchar *net_rx_packet; +extern int net_rx_packet_len; + +int uboot_lwip_poll(void) +{ + struct pbuf *p; + int err; + + p = low_level_input(&uboot_netif); + if (!p) { + printf("error p = low_level_input = NULL\n"); + return 0; + } + + err = ethernet_input(p, &uboot_netif); + if (err) + printf("ip4_input err %d\n", err); + + return 0; +} + +static struct pbuf *low_level_input(struct netif *netif) +{ + struct pbuf *p, *q; + u16_t len = net_rx_packet_len; + uchar *data = net_rx_packet; + +#if ETH_PAD_SIZE + len += ETH_PAD_SIZE; /* allow room for Ethernet padding */ +#endif + + /* We allocate a pbuf chain of pbufs from the pool. */ + p = pbuf_alloc(PBUF_RAW, len, PBUF_POOL); + if (p) { +#if ETH_PAD_SIZE + pbuf_remove_header(p, ETH_PAD_SIZE); /* drop the padding word */ +#endif + /* We iterate over the pbuf chain until we have read the entire + * packet into the pbuf. + */ + for (q = p; q != NULL; q = q->next) { + /* Read enough bytes to fill this pbuf in the chain. The + * available data in the pbuf is given by the q->len + * variable. + * This does not necessarily have to be a memcpy, you can also preallocate + * pbufs for a DMA-enabled MAC and after receiving truncate it to the + * actually received size. In this case, ensure the tot_len member of the + * pbuf is the sum of the chained pbuf len members. + */ + MEMCPY(q->payload, data, q->len); + data += q->len; + } + //acknowledge that packet has been read(); + +#if ETH_PAD_SIZE + pbuf_add_header(p, ETH_PAD_SIZE); /* reclaim the padding word */ +#endif + LINK_STATS_INC(link.recv); + } else { + //drop packet(); + LINK_STATS_INC(link.memerr); + LINK_STATS_INC(link.drop); + } + + return p; +} + +static int ethernetif_input(struct pbuf *p, struct netif *netif) +{ + struct ethernetif *ethernetif; + + ethernetif = netif->state; + + /* move received packet into a new pbuf */ + p = low_level_input(netif); + + /* if no packet could be read, silently ignore this */ + if (p) { + /* pass all packets to ethernet_input, which decides what packets it supports */ + if (netif->input(p, netif) != ERR_OK) { + LWIP_DEBUGF(NETIF_DEBUG, ("%s: IP input error\n", __func__)); + pbuf_free(p); + p = NULL; + } + } + return 0; +} + +static err_t low_level_output(struct netif *netif, struct pbuf *p) +{ + int err; + + err = eth_send(p->payload, p->len); + if (err != 0) { + printf("eth_send error %d\n", err); + return ERR_ABRT; + } + return ERR_OK; +} + +err_t uboot_lwip_if_init(struct netif *netif) +{ + struct uboot_lwip_if *uif = (struct uboot_lwip_if *)malloc(sizeof(struct uboot_lwip_if)); + + if (!uif) { + printf("uboot_lwip_if: out of memory\n"); + return ERR_MEM; + } + netif->state = uif; + + netif->name[0] = IFNAME0; + netif->name[1] = IFNAME1; + + netif->hwaddr_len = ETHARP_HWADDR_LEN; + string_to_enetaddr(env_get("ethaddr"), netif->hwaddr); +#if defined(CONFIG_LWIP_LIB_DEBUG) + printf(" MAC: %02X:%02X:%02X:%02X:%02X:%02X\n", + netif->hwaddr[0], netif->hwaddr[1], netif->hwaddr[2], + netif->hwaddr[3], netif->hwaddr[4], netif->hwaddr[5]); +#endif + +#if LWIP_IPV4 + netif->output = etharp_output; +#endif /* LWIP_IPV4 */ +#if LWIP_IPV6 + netif->output_ip6 = ethip6_output; +#endif /* LWIP_IPV6 */ + netif->linkoutput = low_level_output; + netif->mtu = 1500; + netif->flags = NETIF_FLAG_BROADCAST | NETIF_FLAG_ETHARP | NETIF_FLAG_LINK_UP; + + eth_init(); /* activate u-boot eth dev */ + + if (IS_ENABLED(CONFIG_LWIP_LIB_DEBUG)) { + printf("Initialized LWIP stack\n"); + } + + return ERR_OK; +} + +int uboot_lwip_init(void) +{ + ip4_addr_t ipaddr, netmask, gw; + + if (uboot_net_use_lwip) + return CMD_RET_SUCCESS; + + ip4_addr_set_zero(&gw); + ip4_addr_set_zero(&ipaddr); + ip4_addr_set_zero(&netmask); + + ipaddr_aton(env_get("ipaddr"), &ipaddr); + ipaddr_aton(env_get("ipaddr"), &netmask); + + LWIP_PORT_INIT_NETMASK(&netmask); + if (IS_ENABLED(CONFIG_LWIP_LIB_DEBUG)) { + printf("Starting lwIP, IP: %s\n", ip4addr_ntoa(&ipaddr)); + printf(" GW: %s\n", ip4addr_ntoa(&gw)); + printf(" mask: %s\n", ip4addr_ntoa(&netmask)); + } + + if (!netif_add(&uboot_netif, &ipaddr, &netmask, &gw, + &uboot_netif, uboot_lwip_if_init, ethernetif_input)) + printf("err: netif_add failed!\n"); + + netif_set_up(&uboot_netif); + netif_set_link_up(&uboot_netif); +#if LWIP_IPV6 + netif_create_ip6_linklocal_address(&uboot_netif, 1); + printf(" IPv6: %s\n", ip6addr_ntoa(netif_ip6_addr(uboot_netif, 0))); +#endif /* LWIP_IPV6 */ + + uboot_net_use_lwip = 1; + + return CMD_RET_SUCCESS; +} + +/* placeholder, not used now */ +void uboot_lwip_destroy(void) +{ + uboot_net_use_lwip = 0; +} diff --git a/lib/lwip/port/include/arch/cc.h b/lib/lwip/port/include/arch/cc.h new file mode 100644 index 0000000000..db30d7614e --- /dev/null +++ b/lib/lwip/port/include/arch/cc.h @@ -0,0 +1,46 @@ +/* SPDX-License-Identifier: GPL-2.0 */ + +/* + * (C) Copyright 2023 Linaro Ltd. maxim.uvarov@linaro.org + */ + +#ifndef LWIP_ARCH_CC_H +#define LWIP_ARCH_CC_H + +#include <linux/types.h> +#include <linux/kernel.h> + +#define LWIP_ERRNO_INCLUDE <errno.h> + +#define LWIP_ERRNO_STDINCLUDE 1 +#define LWIP_NO_UNISTD_H 1 +#define LWIP_TIMEVAL_PRIVATE 1 + +extern unsigned int lwip_port_rand(void); +#define LWIP_RAND() (lwip_port_rand()) + +/* different handling for unit test, normally not needed */ +#ifdef LWIP_NOASSERT_ON_ERROR +#define LWIP_ERROR(message, expression, handler) do { if (!(expression)) { \ + handler; }} while (0) +#endif + +#define LWIP_DONT_PROVIDE_BYTEORDER_FUNCTIONS + +#define LWIP_PLATFORM_ASSERT(x) do {printf("Assertion "%s" failed at line %d in %s\n", \ + x, __LINE__, __FILE__); } while (0) + +static inline int atoi(const char *str) +{ + int r = 0; + int i; + + for (i = 0; str[i] != '\0'; ++i) + r = r * 10 + str[i] - '0'; + + return r; +} + +#define LWIP_ERR_T int + +#endif /* LWIP_ARCH_CC_H */ diff --git a/lib/lwip/port/include/arch/sys_arch.h b/lib/lwip/port/include/arch/sys_arch.h new file mode 100644 index 0000000000..8d95146275 --- /dev/null +++ b/lib/lwip/port/include/arch/sys_arch.h @@ -0,0 +1,59 @@ +/* SPDX-License-Identifier: GPL-2.0 */ + +/* + * (C) Copyright 2023 Linaro Ltd. maxim.uvarov@linaro.org + */ + +#ifndef LWIP_ARCH_SYS_ARCH_H +#define LWIP_ARCH_SYS_ARCH_H + +#include "lwip/opt.h" +#include "lwip/arch.h" +#include "lwip/err.h" + +#define ERR_NEED_SCHED 123 + +void sys_arch_msleep(u32_t delay_ms); +#define sys_msleep(ms) sys_arch_msleep(ms) + +#if SYS_LIGHTWEIGHT_PROT +typedef u32_t sys_prot_t; +#endif /* SYS_LIGHTWEIGHT_PROT */ + +#include <errno.h> + +#define SYS_MBOX_NULL NULL +#define SYS_SEM_NULL NULL + +typedef u32_t sys_prot_t; + +struct sys_sem; +typedef struct sys_sem *sys_sem_t; +#define sys_sem_valid(sem) (((sem) != NULL) && (*(sem) != NULL)) +#define sys_sem_set_invalid(sem) do { if ((sem) != NULL) { *(sem) = NULL; }} while (0) + +/* let sys.h use binary semaphores for mutexes */ +#define LWIP_COMPAT_MUTEX 1 +#define LWIP_COMPAT_MUTEX_ALLOWED 1 + +struct sys_mbox; +typedef struct sys_mbox *sys_mbox_t; +#define sys_mbox_valid(mbox) (((mbox) != NULL) && (*(mbox) != NULL)) +#define sys_mbox_set_invalid(mbox) do { if ((mbox) != NULL) { *(mbox) = NULL; }} while (0) + +struct sys_thread; +typedef struct sys_thread *sys_thread_t; + +static inline u32_t sys_arch_sem_wait(sys_sem_t *sem, u32_t timeout) +{ + return 0; +}; + +static inline err_t sys_mbox_trypost(sys_mbox_t *mbox, void *msg) +{ + return 0; +}; + +#define sys_sem_signal(s) + +#endif /* LWIP_ARCH_SYS_ARCH_H */ diff --git a/lib/lwip/port/include/limits.h b/lib/lwip/port/include/limits.h new file mode 100644 index 0000000000..e69de29bb2 diff --git a/lib/lwip/port/sys-arch.c b/lib/lwip/port/sys-arch.c new file mode 100644 index 0000000000..609eeccf8c --- /dev/null +++ b/lib/lwip/port/sys-arch.c @@ -0,0 +1,20 @@ +// SPDX-License-Identifier: GPL-2.0 + +/* + * (C) Copyright 2023 Linaro Ltd. maxim.uvarov@linaro.org + */ + +#include <common.h> +#include <rand.h> +#include "lwip/opt.h" + +u32_t sys_now(void) +{ + return get_timer(0); +} + +u32_t lwip_port_rand(void) +{ + return (u32_t)rand(); +} + diff --git a/lib/lwip/ulwip.h b/lib/lwip/ulwip.h new file mode 100644 index 0000000000..11ca52aa1f --- /dev/null +++ b/lib/lwip/ulwip.h @@ -0,0 +1,9 @@ +/* SPDX-License-Identifier: GPL-2.0 */ + +int ulwip_enabled(void); +int ulwip_in_loop(void); +int ulwip_loop_set(int loop); +int ulwip_exit(int err); +int uboot_lwip_poll(void); +int ulwip_app_get_err(void); +void ulwip_set_tmo(int (*tmo)(void)); diff --git a/net/Kconfig b/net/Kconfig index a1ec3f8542..2c5d8b8aca 100644 --- a/net/Kconfig +++ b/net/Kconfig @@ -5,6 +5,7 @@ menuconfig NET bool "Networking support" default y + select LWIP_LIB
if NET
diff --git a/net/net.c b/net/net.c index 57da9bda85..3d9a2e798a 100644 --- a/net/net.c +++ b/net/net.c @@ -121,6 +121,7 @@ #endif #include <net/tcp.h> #include <net/wget.h> +#include "../lib/lwip/ulwip.h"
/** BOOTP EXTENTIONS **/
@@ -438,7 +439,11 @@ int net_loop(enum proto_t protocol) #endif
bootstage_mark_name(BOOTSTAGE_ID_ETH_START, "eth_start"); +#if defined(CONFIG_LWIP_LIB) + if (!ulwip_enabled() || !ulwip_in_loop()) +#endif net_init(); + if (eth_is_on_demand_init()) { eth_halt(); eth_set_current(); @@ -619,6 +624,18 @@ restart: */ eth_rx();
+#if defined(CONFIG_LWIP_LIB) + if (ulwip_enabled()) { + net_set_state(NETLOOP_CONTINUE); + if (!ulwip_in_loop()) { + if (ulwip_app_get_err()) + net_set_state(NETLOOP_FAIL); + else + net_set_state(NETLOOP_SUCCESS); + goto done; + } + } +#endif /* * Abort if ctrl-c was pressed. */ @@ -1177,6 +1194,13 @@ void net_process_received_packet(uchar *in_packet, int len) if (len < ETHER_HDR_SIZE) return;
+#if defined(CONFIG_LWIP_LIB) + if (ulwip_enabled()) { + uboot_lwip_poll(); + return; + } +#endif + #if defined(CONFIG_API) || defined(CONFIG_EFI_LOADER) if (push_packet) { (*push_packet)(in_packet, len);