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authorTom Rini <trini@konsulko.com>2018-07-02 16:11:09 -0400
committerTom Rini <trini@konsulko.com>2018-07-02 16:11:09 -0400
commitd4c7a9348f27c8e3fdb1b754d8f0d1fa27375d1c (patch)
treee4f82532c04d791c257ef6e5b202389103891777
parent03b54997d568a6879a045ba775e44d62289a8fb9 (diff)
parenta9ea30d267f26bee0b3a5cdd659624a866da3d19 (diff)
Merge branch 'master' of git://git.denx.de/u-boot-net
-rw-r--r--cmd/Kconfig15
-rw-r--r--cmd/Makefile1
-rw-r--r--cmd/net.c10
-rw-r--r--cmd/wol.c33
-rw-r--r--configs/ax25-ae350_defconfig1
-rw-r--r--configs/pengwyn_defconfig1
-rw-r--r--drivers/net/mvneta.c2
-rw-r--r--drivers/net/zynq_gem.c2
-rw-r--r--include/configs/ax25-ae350.h1
-rw-r--r--include/net.h5
-rw-r--r--net/Makefile1
-rw-r--r--net/bootp.c21
-rw-r--r--net/fastboot.c2
-rw-r--r--net/net.c21
-rw-r--r--net/wol.c96
-rw-r--r--net/wol.h65
16 files changed, 266 insertions, 11 deletions
diff --git a/cmd/Kconfig b/cmd/Kconfig
index 45c83359ad..aec209006d 100644
--- a/cmd/Kconfig
+++ b/cmd/Kconfig
@@ -1121,6 +1121,16 @@ config BOOTP_HOSTNAME
help
The name may or may not be qualified with the local domain name.
+config BOOTP_PREFER_SERVERIP
+ bool "serverip variable takes precedent over DHCP server IP."
+ depends on CMD_BOOTP
+ help
+ By default a BOOTP/DHCP reply will overwrite the 'serverip' variable.
+
+ With this option enabled, the 'serverip' variable in the environment
+ takes precedence over DHCP server IP and will only be set by the DHCP
+ server if not already set in the environment.
+
config BOOTP_SUBNETMASK
bool "Request & store 'netmask' from BOOTP/DHCP server"
default y
@@ -1239,6 +1249,11 @@ config CMD_PXE
help
Boot image via network using PXE protocol
+config CMD_WOL
+ bool "wol"
+ help
+ Wait for wake-on-lan Magic Packet
+
endif
menu "Misc commands"
diff --git a/cmd/Makefile b/cmd/Makefile
index 13cf7bf6c2..323f1fd2c7 100644
--- a/cmd/Makefile
+++ b/cmd/Makefile
@@ -100,6 +100,7 @@ obj-$(CONFIG_CMD_PCI) += pci.o
endif
obj-y += pcmcia.o
obj-$(CONFIG_CMD_PXE) += pxe.o
+obj-$(CONFIG_CMD_WOL) += wol.o
obj-$(CONFIG_CMD_QFW) += qfw.o
obj-$(CONFIG_CMD_READ) += read.o
obj-$(CONFIG_CMD_REGINFO) += reginfo.o
diff --git a/cmd/net.c b/cmd/net.c
index f83839c35e..eca6dd8918 100644
--- a/cmd/net.c
+++ b/cmd/net.c
@@ -183,6 +183,8 @@ static int netboot_common(enum proto_t proto, cmd_tbl_t *cmdtp, int argc,
int size;
ulong addr;
+ net_boot_file_name_explicit = false;
+
/* pre-set load_addr */
s = env_get("loadaddr");
if (s != NULL)
@@ -199,15 +201,18 @@ static int netboot_common(enum proto_t proto, cmd_tbl_t *cmdtp, int argc,
* mis-interpreted as a valid number.
*/
addr = simple_strtoul(argv[1], &end, 16);
- if (end == (argv[1] + strlen(argv[1])))
+ if (end == (argv[1] + strlen(argv[1]))) {
load_addr = addr;
- else
+ } else {
+ net_boot_file_name_explicit = true;
copy_filename(net_boot_file_name, argv[1],
sizeof(net_boot_file_name));
+ }
break;
case 3:
load_addr = simple_strtoul(argv[1], NULL, 16);
+ net_boot_file_name_explicit = true;
copy_filename(net_boot_file_name, argv[2],
sizeof(net_boot_file_name));
@@ -220,6 +225,7 @@ static int netboot_common(enum proto_t proto, cmd_tbl_t *cmdtp, int argc,
printf("Invalid address/size\n");
return CMD_RET_USAGE;
}
+ net_boot_file_name_explicit = true;
copy_filename(net_boot_file_name, argv[3],
sizeof(net_boot_file_name));
break;
diff --git a/cmd/wol.c b/cmd/wol.c
new file mode 100644
index 0000000000..8a756f373c
--- /dev/null
+++ b/cmd/wol.c
@@ -0,0 +1,33 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * (C) Copyright 2018
+ * Lothar Felte, lothar.felten@gmail.com
+ */
+
+/*
+ * Wake-on-LAN support
+ */
+#include <common.h>
+#include <command.h>
+#include <net.h>
+
+#if defined(CONFIG_CMD_WOL)
+void wol_set_timeout(ulong);
+
+int do_wol(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+ /* Validate arguments */
+ if (argc < 2)
+ return CMD_RET_USAGE;
+ wol_set_timeout(simple_strtol(argv[1], NULL, 10) * 1000);
+ if (net_loop(WOL) < 0)
+ return CMD_RET_FAILURE;
+ return CMD_RET_SUCCESS;
+}
+
+U_BOOT_CMD(
+ wol, 2, 1, do_wol,
+ "wait for an incoming wake-on-lan packet",
+ "Timeout"
+);
+#endif
diff --git a/configs/ax25-ae350_defconfig b/configs/ax25-ae350_defconfig
index fc04c87485..a328555af6 100644
--- a/configs/ax25-ae350_defconfig
+++ b/configs/ax25-ae350_defconfig
@@ -40,3 +40,4 @@ CONFIG_DM_SPI=y
CONFIG_ATCSPI200_SPI=y
CONFIG_TIMER=y
CONFIG_ATCPIT100_TIMER=y
+CONFIG_BOOTP_PREFER_SERVERIP=y
diff --git a/configs/pengwyn_defconfig b/configs/pengwyn_defconfig
index 0ee8e6e1b9..76b5715a99 100644
--- a/configs/pengwyn_defconfig
+++ b/configs/pengwyn_defconfig
@@ -37,6 +37,7 @@ CONFIG_CMD_MMC=y
CONFIG_CMD_NAND=y
CONFIG_CMD_SPI=y
CONFIG_CMD_USB=y
+CONFIG_CMD_WOL=y
# CONFIG_CMD_SETEXPR is not set
CONFIG_CMD_EXT4_WRITE=y
CONFIG_CMD_MTDPARTS=y
diff --git a/drivers/net/mvneta.c b/drivers/net/mvneta.c
index 45e5eda955..ab697b9bc7 100644
--- a/drivers/net/mvneta.c
+++ b/drivers/net/mvneta.c
@@ -1702,11 +1702,13 @@ static int mvneta_probe(struct udevice *dev)
/* Align buffer area for descs and rx_buffers to 1MiB */
bd_space = memalign(1 << MMU_SECTION_SHIFT, BD_SPACE);
+ flush_dcache_range((ulong)bd_space, (ulong)bd_space + BD_SPACE);
mmu_set_region_dcache_behaviour((phys_addr_t)bd_space, BD_SPACE,
DCACHE_OFF);
buffer_loc.tx_descs = (struct mvneta_tx_desc *)bd_space;
size = roundup(MVNETA_MAX_TXD * sizeof(struct mvneta_tx_desc),
ARCH_DMA_MINALIGN);
+ memset(buffer_loc.tx_descs, 0, size);
buffer_loc.rx_descs = (struct mvneta_rx_desc *)
((phys_addr_t)bd_space + size);
size += roundup(MVNETA_MAX_RXD * sizeof(struct mvneta_rx_desc),
diff --git a/drivers/net/zynq_gem.c b/drivers/net/zynq_gem.c
index a817f2e5d6..d1138fe090 100644
--- a/drivers/net/zynq_gem.c
+++ b/drivers/net/zynq_gem.c
@@ -609,7 +609,7 @@ static int zynq_gem_miiphy_read(struct mii_dev *bus, int addr,
{
struct zynq_gem_priv *priv = bus->priv;
int ret;
- u16 val;
+ u16 val = 0;
ret = phyread(priv, addr, reg, &val);
debug("%s 0x%x, 0x%x, 0x%x, 0x%x\n", __func__, addr, reg, val, ret);
diff --git a/include/configs/ax25-ae350.h b/include/configs/ax25-ae350.h
index b1ca5ac11a..b230896734 100644
--- a/include/configs/ax25-ae350.h
+++ b/include/configs/ax25-ae350.h
@@ -11,7 +11,6 @@
* CPU and Board Configuration Options
*/
#define CONFIG_BOOTP_SEND_HOSTNAME
-#define CONFIG_BOOTP_SERVERIP
/*
* Miscellaneous configurable options
diff --git a/include/net.h b/include/net.h
index 5760685556..f9984ae86c 100644
--- a/include/net.h
+++ b/include/net.h
@@ -344,6 +344,7 @@ struct vlan_ethernet_hdr {
#define PROT_IP 0x0800 /* IP protocol */
#define PROT_ARP 0x0806 /* IP ARP protocol */
+#define PROT_WOL 0x0842 /* ether-wake WoL protocol */
#define PROT_RARP 0x8035 /* IP ARP protocol */
#define PROT_VLAN 0x8100 /* IEEE 802.1q protocol */
#define PROT_IPV6 0x86dd /* IPv6 over bluebook */
@@ -535,10 +536,12 @@ extern int net_restart_wrap; /* Tried all network devices */
enum proto_t {
BOOTP, RARP, ARP, TFTPGET, DHCP, PING, DNS, NFS, CDP, NETCONS, SNTP,
- TFTPSRV, TFTPPUT, LINKLOCAL, FASTBOOT
+ TFTPSRV, TFTPPUT, LINKLOCAL, FASTBOOT, WOL
};
extern char net_boot_file_name[1024];/* Boot File name */
+/* Indicates whether the file name was specified on the command line */
+extern bool net_boot_file_name_explicit;
/* The actual transferred size of the bootfile (in bytes) */
extern u32 net_boot_file_size;
/* Boot file size in blocks as reported by the DHCP server */
diff --git a/net/Makefile b/net/Makefile
index 07466879f5..ce36362168 100644
--- a/net/Makefile
+++ b/net/Makefile
@@ -24,6 +24,7 @@ obj-$(CONFIG_CMD_RARP) += rarp.o
obj-$(CONFIG_CMD_SNTP) += sntp.o
obj-$(CONFIG_CMD_TFTPBOOT) += tftp.o
obj-$(CONFIG_UDP_FUNCTION_FASTBOOT) += fastboot.o
+obj-$(CONFIG_CMD_WOL) += wol.o
# Disable this warning as it is triggered by:
# sprintf(buf, index ? "foo%d" : "foo", index)
diff --git a/net/bootp.c b/net/bootp.c
index 9d7cb5d30c..9a2b512e4a 100644
--- a/net/bootp.c
+++ b/net/bootp.c
@@ -147,9 +147,14 @@ static void store_net_params(struct bootp_hdr *bp)
{
#if !defined(CONFIG_BOOTP_SERVERIP)
struct in_addr tmp_ip;
+ bool overwrite_serverip = true;
+
+#if defined(CONFIG_BOOTP_PREFER_SERVERIP)
+ overwrite_serverip = false;
+#endif
net_copy_ip(&tmp_ip, &bp->bp_siaddr);
- if (tmp_ip.s_addr != 0)
+ if (tmp_ip.s_addr != 0 && (overwrite_serverip || !net_server_ip.s_addr))
net_copy_ip(&net_server_ip, &bp->bp_siaddr);
memcpy(net_server_ethaddr,
((struct ethernet_hdr *)net_rx_packet)->et_src, 6);
@@ -157,7 +162,8 @@ static void store_net_params(struct bootp_hdr *bp)
#if defined(CONFIG_CMD_DHCP)
!(dhcp_option_overload & OVERLOAD_FILE) &&
#endif
- (strlen(bp->bp_file) > 0)) {
+ (strlen(bp->bp_file) > 0) &&
+ !net_boot_file_name_explicit) {
copy_filename(net_boot_file_name, bp->bp_file,
sizeof(net_boot_file_name));
}
@@ -889,10 +895,13 @@ static void dhcp_process_options(uchar *popt, uchar *end)
case 66: /* Ignore TFTP server name */
break;
case 67: /* Bootfile option */
- size = truncate_sz("Bootfile",
- sizeof(net_boot_file_name), oplen);
- memcpy(&net_boot_file_name, popt + 2, size);
- net_boot_file_name[size] = 0;
+ if (!net_boot_file_name_explicit) {
+ size = truncate_sz("Bootfile",
+ sizeof(net_boot_file_name),
+ oplen);
+ memcpy(&net_boot_file_name, popt + 2, size);
+ net_boot_file_name[size] = 0;
+ }
break;
default:
#if defined(CONFIG_BOOTP_VENDOREX)
diff --git a/net/fastboot.c b/net/fastboot.c
index a9f7c0743d..8afc5529cd 100644
--- a/net/fastboot.c
+++ b/net/fastboot.c
@@ -309,7 +309,9 @@ void fastboot_start_server(void)
fastboot_our_port = WELL_KNOWN_PORT;
+#if CONFIG_IS_ENABLED(FASTBOOT_FLASH)
fastboot_set_progress_callback(fastboot_timed_send_info);
+#endif
net_set_udp_handler(fastboot_handler);
/* zero out server ether in case the server ip has changed */
diff --git a/net/net.c b/net/net.c
index b4563a4cab..f35695b4fc 100644
--- a/net/net.c
+++ b/net/net.c
@@ -78,6 +78,12 @@
* - own IP address
* We want: - network time
* Next step: none
+ *
+ * WOL:
+ *
+ * Prerequisites: - own ethernet address
+ * We want: - magic packet or timeout
+ * Next step: none
*/
@@ -108,6 +114,9 @@
#if defined(CONFIG_CMD_SNTP)
#include "sntp.h"
#endif
+#if defined(CONFIG_CMD_WOL)
+#include "wol.h"
+#endif
/** BOOTP EXTENTIONS **/
@@ -165,6 +174,8 @@ ushort net_native_vlan = 0xFFFF;
/* Boot File name */
char net_boot_file_name[1024];
+/* Indicates whether the file name was specified on the command line */
+bool net_boot_file_name_explicit;
/* The actual transferred size of the bootfile (in bytes) */
u32 net_boot_file_size;
/* Boot file size in blocks as reported by the DHCP server */
@@ -515,6 +526,11 @@ restart:
link_local_start();
break;
#endif
+#if defined(CONFIG_CMD_WOL)
+ case WOL:
+ wol_start();
+ break;
+#endif
default:
break;
}
@@ -1281,6 +1297,11 @@ void net_process_received_packet(uchar *in_packet, int len)
ntohs(ip->udp_src),
ntohs(ip->udp_len) - UDP_HDR_SIZE);
break;
+#ifdef CONFIG_CMD_WOL
+ case PROT_WOL:
+ wol_receive(ip, len);
+ break;
+#endif
}
}
diff --git a/net/wol.c b/net/wol.c
new file mode 100644
index 0000000000..946bd91b47
--- /dev/null
+++ b/net/wol.c
@@ -0,0 +1,96 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright 2018 Lothar Felten, lothar.felten@gmail.com
+ */
+
+#include <common.h>
+#include <command.h>
+#include <net.h>
+#include <environment.h>
+#include "wol.h"
+
+static ulong wol_timeout = WOL_DEFAULT_TIMEOUT;
+
+/*
+ * Check incoming Wake-on-LAN packet for:
+ * - sync bytes
+ * - sixteen copies of the target MAC address
+ *
+ * @param wol Wake-on-LAN packet
+ * @param len Packet length
+ */
+static int wol_check_magic(struct wol_hdr *wol, unsigned int len)
+{
+ int i;
+
+ if (len < sizeof(struct wol_hdr))
+ return 0;
+
+ for (i = 0; i < WOL_SYNC_COUNT; i++)
+ if (wol->wol_sync[i] != WOL_SYNC_BYTE)
+ return 0;
+
+ for (i = 0; i < WOL_MAC_REPETITIONS; i++)
+ if (memcmp(&wol->wol_dest[i * ARP_HLEN],
+ net_ethaddr, ARP_HLEN) != 0)
+ return 0;
+
+ return 1;
+}
+
+void wol_receive(struct ip_udp_hdr *ip, unsigned int len)
+{
+ struct wol_hdr *wol;
+
+ wol = (struct wol_hdr *)ip;
+
+ if (!wol_check_magic(wol, len))
+ return;
+
+ /* save the optional password using the ether-wake formats */
+ /* don't check for exact length, the packet might have padding */
+ if (len >= (sizeof(struct wol_hdr) + WOL_PASSWORD_6B)) {
+ eth_env_set_enetaddr("wolpassword", wol->wol_passwd);
+ } else if (len >= (sizeof(struct wol_hdr) + WOL_PASSWORD_4B)) {
+ char buffer[16];
+ struct in_addr *ip = (struct in_addr *)(wol->wol_passwd);
+
+ ip_to_string(*ip, buffer);
+ env_set("wolpassword", buffer);
+ }
+ net_set_state(NETLOOP_SUCCESS);
+}
+
+static void wol_udp_handler(uchar *pkt, unsigned int dest, struct in_addr sip,
+ unsigned int src, unsigned int len)
+{
+ struct wol_hdr *wol;
+
+ wol = (struct wol_hdr *)pkt;
+
+ /* UDP destination port must be 0, 7 or 9 */
+ if (dest != 0 && dest != 7 && dest != 9)
+ return;
+
+ if (!wol_check_magic(wol, len))
+ return;
+
+ net_set_state(NETLOOP_SUCCESS);
+}
+
+void wol_set_timeout(ulong timeout)
+{
+ wol_timeout = timeout;
+}
+
+static void wol_timeout_handler(void)
+{
+ eth_halt();
+ net_set_state(NETLOOP_FAIL);
+}
+
+void wol_start(void)
+{
+ net_set_timeout_handler(wol_timeout, wol_timeout_handler);
+ net_set_udp_handler(wol_udp_handler);
+}
diff --git a/net/wol.h b/net/wol.h
new file mode 100644
index 0000000000..ebc81f24b6
--- /dev/null
+++ b/net/wol.h
@@ -0,0 +1,65 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * wol - Wake-on-LAN
+ *
+ * Supports both Wake-on-LAN packet types:
+ * - EtherType 0x0842 packets
+ * - UDP packets on ports 0, 7 and 9.
+ *
+ * Copyright 2018 Lothar Felten, lothar.felten@gmail.com
+ */
+
+#if defined(CONFIG_CMD_WOL)
+
+#ifndef __WOL_H__
+#define __WOL_H__
+
+#include <net.h>
+
+/**********************************************************************/
+
+#define WOL_SYNC_BYTE 0xFF
+#define WOL_SYNC_COUNT 6
+#define WOL_MAC_REPETITIONS 16
+#define WOL_DEFAULT_TIMEOUT 5000
+#define WOL_PASSWORD_4B 4
+#define WOL_PASSWORD_6B 6
+
+/*
+ * Wake-on-LAN header
+ */
+struct wol_hdr {
+ u8 wol_sync[WOL_SYNC_COUNT]; /* sync bytes */
+ u8 wol_dest[WOL_MAC_REPETITIONS * ARP_HLEN]; /* 16x MAC */
+ u8 wol_passwd[0]; /* optional */
+};
+
+/*
+ * Initialize wol (beginning of netloop)
+ */
+void wol_start(void);
+
+/*
+ * Check incoming Wake-on-LAN packet for:
+ * - sync bytes
+ * - sixteen copies of the target MAC address
+ *
+ * Optionally store the four or six byte password in the environment
+ * variable "wolpassword"
+ *
+ * @param ip IP header in the packet
+ * @param len Packet length
+ */
+void wol_receive(struct ip_udp_hdr *ip, unsigned int len);
+
+/*
+ * Set the timeout for the reception of a Wake-on-LAN packet
+ *
+ * @param timeout in milliseconds
+ */
+void wol_set_timeout(ulong timeout);
+
+/**********************************************************************/
+
+#endif /* __WOL_H__ */
+#endif