Signed-off-by: Maxim Uvarov maxim.uvarov@linaro.org --- lib/lwip/Makefile | 1 + lib/lwip/apps/dhcp/lwip-dhcp.c | 53 ++++++++++++++++++++++++++++++++++ 2 files changed, 54 insertions(+) create mode 100644 lib/lwip/apps/dhcp/lwip-dhcp.c
diff --git a/lib/lwip/Makefile b/lib/lwip/Makefile index 2815662093..a3521a9d18 100644 --- a/lib/lwip/Makefile +++ b/lib/lwip/Makefile @@ -65,4 +65,5 @@ obj-$(CONFIG_NET) += $(LWIPDIR)/netif/ethernet.o obj-$(CONFIG_NET) += port/if.o obj-$(CONFIG_NET) += port/sys-arch.o
+obj-$(CONFIG_CMD_DHCP) += apps/dhcp/lwip-dhcp.o obj-$(CONFIG_CMD_DNS) += apps/dns/lwip-dns.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..9fda43db9f --- /dev/null +++ b/lib/lwip/apps/dhcp/lwip-dhcp.c @@ -0,0 +1,53 @@ +// 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; + +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 -1; + } + + return 0; +} + +int ulwip_dhcp(void) +{ + int err; + struct netif *netif; + + ulwip_set_tmo(ulwip_dhcp_tmo); + netif = netif_get_by_index(1); + + if (!dhcp_is_set) { + dhcp_set_struct(netif, &dhcp); + dhcp_is_set = true; + } + err = dhcp_start(netif); + if (err) + printf("dhcp_start error %d\n", err); + + return err; +}