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-rw-r--r--net/Makefile8
-rw-r--r--net/dhcpv6.c15
-rw-r--r--net/dhcpv6.h8
-rw-r--r--net/lwip/Makefile2
-rw-r--r--net/lwip/dhcp.c3
-rw-r--r--net/lwip/dns.c3
-rw-r--r--net/lwip/net-lwip.c88
-rw-r--r--net/lwip/ping.c11
-rw-r--r--net/lwip/tftp.c5
-rw-r--r--net/lwip/wget.c6
10 files changed, 115 insertions, 34 deletions
diff --git a/net/Makefile b/net/Makefile
index 7c917b318c0..d63f62b7c8a 100644
--- a/net/Makefile
+++ b/net/Makefile
@@ -11,10 +11,9 @@ obj-$(CONFIG_NET) += arp.o
obj-$(CONFIG_CMD_BOOTP) += bootp.o
obj-$(CONFIG_CMD_CDP) += cdp.o
obj-$(CONFIG_CMD_DNS) += dns.o
-obj-$(CONFIG_DM_DSA) += dsa-uclass.o
obj-$(CONFIG_CMD_LINK_LOCAL) += link_local.o
obj-$(CONFIG_IPV6) += ndisc.o
-obj-$(CONFIG_$(XPL_)DM_ETH) += net.o
+obj-$(CONFIG_$(PHASE_)DM_ETH) += net.o
obj-$(CONFIG_IPV6) += net6.o
obj-$(CONFIG_CMD_NFS) += nfs.o
obj-$(CONFIG_CMD_PING) += ping.o
@@ -39,11 +38,12 @@ CFLAGS_eth_common.o += -Wno-format-extra-args
endif
ifeq ($(filter y,$(CONFIG_NET) $(CONFIG_NET_LWIP)),y)
-obj-$(CONFIG_$(XPL_)DM_ETH) += eth-uclass.o
+obj-$(CONFIG_DM_DSA) += dsa-uclass.o
+obj-$(CONFIG_$(PHASE_)DM_ETH) += eth-uclass.o
obj-$(CONFIG_$(PHASE_)BOOTDEV_ETH) += eth_bootdev.o
obj-$(CONFIG_DM_MDIO) += mdio-uclass.o
obj-$(CONFIG_DM_MDIO_MUX) += mdio-mux-uclass.o
-obj-$(CONFIG_$(XPL_)DM_ETH) += eth_common.o
+obj-$(CONFIG_$(PHASE_)DM_ETH) += eth_common.o
obj-y += net-common.o
endif
diff --git a/net/dhcpv6.c b/net/dhcpv6.c
index 54619ee6983..0c2de75ba1d 100644
--- a/net/dhcpv6.c
+++ b/net/dhcpv6.c
@@ -29,6 +29,10 @@
int updated_sol_max_rt_ms = SOL_MAX_RT_MS;
/* state machine parameters/variables */
struct dhcp6_sm_params sm_params;
+/* DHCPv6 all server IP6 address */
+const struct in6_addr dhcp_mcast_ip6 = DHCP6_MULTICAST_ADDR;
+/* IPv6 multicast ethernet address */
+const u8 net_dhcp6_mcast_ethaddr[6] = IPV6_ALL_NODE_ETH_ADDR(dhcp_mcast_ip6);
static void dhcp6_state_machine(bool timeout, uchar *rx_pkt, unsigned int len);
@@ -171,7 +175,6 @@ static int dhcp6_add_option(int option_id, uchar *pkt)
*/
static void dhcp6_send_solicit_packet(void)
{
- struct in6_addr dhcp_bcast_ip6;
int len = 0;
uchar *pkt;
uchar *dhcp_pkt_start_ptr;
@@ -200,9 +203,8 @@ static void dhcp6_send_solicit_packet(void)
len = pkt - dhcp_pkt_start_ptr;
/* send UDP packet to DHCP6 multicast address */
- string_to_ip6(DHCP6_MULTICAST_ADDR, sizeof(DHCP6_MULTICAST_ADDR), &dhcp_bcast_ip6);
net_set_udp_handler(dhcp6_handler);
- net_send_udp_packet6((uchar *)net_bcast_ethaddr, &dhcp_bcast_ip6,
+ net_send_udp_packet6((uchar *)net_dhcp6_mcast_ethaddr, (struct in6_addr *)&dhcp_mcast_ip6,
PORT_DHCP6_S, PORT_DHCP6_C, len);
}
@@ -218,7 +220,6 @@ static void dhcp6_send_solicit_packet(void)
*/
static void dhcp6_send_request_packet(void)
{
- struct in6_addr dhcp_bcast_ip6;
int len = 0;
uchar *pkt;
uchar *dhcp_pkt_start_ptr;
@@ -252,9 +253,8 @@ static void dhcp6_send_request_packet(void)
len = pkt - dhcp_pkt_start_ptr;
/* send UDP packet to DHCP6 multicast address */
- string_to_ip6(DHCP6_MULTICAST_ADDR, strlen(DHCP6_MULTICAST_ADDR), &dhcp_bcast_ip6);
net_set_udp_handler(dhcp6_handler);
- net_send_udp_packet6((uchar *)net_bcast_ethaddr, &dhcp_bcast_ip6,
+ net_send_udp_packet6((uchar *)net_dhcp6_mcast_ethaddr, (struct in6_addr *)&dhcp_mcast_ip6,
PORT_DHCP6_S, PORT_DHCP6_C, len);
}
@@ -473,8 +473,7 @@ static int dhcp6_check_advertise_packet(uchar *rx_pkt, unsigned int len)
* server UID, save the new server UID and preference
*/
if (!sm_params.server_uid.uid_ptr ||
- (sm_params.server_uid.uid_ptr &&
- sm_params.server_uid.preference < sm_params.rx_status.preference)) {
+ sm_params.server_uid.preference < sm_params.rx_status.preference) {
rx_uid_size = sm_params.rx_status.server_uid_size;
if (sm_params.server_uid.uid_ptr)
free(sm_params.server_uid.uid_ptr);
diff --git a/net/dhcpv6.h b/net/dhcpv6.h
index 65c8e4c71d3..d41a3c30615 100644
--- a/net/dhcpv6.h
+++ b/net/dhcpv6.h
@@ -40,7 +40,13 @@
/* vendor-class-data to send in vendor clas option */
#define DHCP6_VCI_STRING "U-Boot"
-#define DHCP6_MULTICAST_ADDR "ff02::1:2" /* DHCP multicast address */
+/*
+ * All-DHCPv6 server multicast address
+ */
+#define DHCP6_MULTICAST_ADDR { { { 0xFF, 0x02, 0x00, 0x00, \
+ 0x00, 0x00, 0x00, 0x00, \
+ 0x00, 0x00, 0x00, 0x00, \
+ 0x00, 0x01, 0x00, 0x02 } } }
/* DHCP6 States supported */
enum dhcp6_state {
diff --git a/net/lwip/Makefile b/net/lwip/Makefile
index 950c5316bb9..5df222589b8 100644
--- a/net/lwip/Makefile
+++ b/net/lwip/Makefile
@@ -1,6 +1,6 @@
ccflags-y += -I$(srctree)/lib/lwip/lwip/src/include -I$(srctree)/lib/lwip/u-boot
-obj-$(CONFIG_$(SPL_)DM_ETH) += net-lwip.o
+obj-$(CONFIG_$(PHASE_)DM_ETH) += net-lwip.o
obj-$(CONFIG_CMD_DHCP) += dhcp.o
obj-$(CONFIG_CMD_DNS) += dns.o
obj-$(CONFIG_CMD_PING) += ping.o
diff --git a/net/lwip/dhcp.c b/net/lwip/dhcp.c
index 3b7e4700c6e..92bd7067a7f 100644
--- a/net/lwip/dhcp.c
+++ b/net/lwip/dhcp.c
@@ -115,7 +115,8 @@ int do_dhcp(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
int ret;
struct udevice *dev;
- net_lwip_set_current();
+ if (net_lwip_eth_start() < 0)
+ return CMD_RET_FAILURE;
dev = eth_get_dev();
if (!dev) {
diff --git a/net/lwip/dns.c b/net/lwip/dns.c
index 149bdb784dc..19172ac959a 100644
--- a/net/lwip/dns.c
+++ b/net/lwip/dns.c
@@ -121,7 +121,8 @@ int do_dns(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
if (argc == 3)
var = argv[2];
- net_lwip_set_current();
+ if (net_lwip_eth_start() < 0)
+ return CMD_RET_FAILURE;
return dns_loop(eth_get_dev(), name, var);
}
diff --git a/net/lwip/net-lwip.c b/net/lwip/net-lwip.c
index 6b7b696dbf0..f05c4cd3f64 100644
--- a/net/lwip/net-lwip.c
+++ b/net/lwip/net-lwip.c
@@ -14,6 +14,7 @@
#include <lwip/init.h>
#include <lwip/prot/etharp.h>
#include <net.h>
+#include <timer.h>
/* xx:xx:xx:xx:xx:xx\0 */
#define MAC_ADDR_STRLEN 18
@@ -21,6 +22,8 @@
#if defined(CONFIG_API) || defined(CONFIG_EFI_LOADER)
void (*push_packet)(void *, int len) = 0;
#endif
+static int net_try_count;
+static int net_restarted;
int net_restart_wrap;
static uchar net_pkt_buf[(PKTBUFSRX) * PKTSIZE_ALIGN + PKTALIGN];
uchar *net_rx_packets[PKTBUFSRX];
@@ -134,18 +137,27 @@ static int get_udev_ipv4_info(struct udevice *dev, ip4_addr_t *ip,
return 0;
}
-/* Initialize the lwIP stack and the ethernet devices and set current device */
-void net_lwip_set_current(void)
+/*
+ * Initialize the network stack if needed and start the current device if valid
+ */
+int net_lwip_eth_start(void)
{
- static bool init_done;
-
- if (!init_done) {
- eth_init_rings();
- eth_init();
- lwip_init();
- init_done = true;
+ int ret;
+
+ net_init();
+ if (eth_is_on_demand_init()) {
+ eth_halt();
+ eth_set_current();
+ ret = eth_init();
+ if (ret < 0) {
+ eth_halt();
+ return ret;
+ }
+ } else {
+ eth_init_state_only();
}
- eth_set_current();
+
+ return 0;
}
static struct netif *new_netif(struct udevice *udev, bool with_ip)
@@ -224,11 +236,20 @@ void net_lwip_remove_netif(struct netif *netif)
free(netif);
}
+/*
+ * Initialize the network buffers, an ethernet device, and the lwIP stack
+ * (once).
+ */
int net_init(void)
{
- eth_set_current();
+ static bool init_done;
- net_lwip_new_netif(eth_get_dev());
+ if (!init_done) {
+ eth_init_rings();
+ eth_init();
+ lwip_init();
+ init_done = true;
+ }
return 0;
}
@@ -319,5 +340,48 @@ int net_loop(enum proto_t protocol)
u32_t sys_now(void)
{
+#if CONFIG_IS_ENABLED(SANDBOX_TIMER)
+ return timer_early_get_count();
+#else
return get_timer(0);
+#endif
+}
+
+int net_start_again(void)
+{
+ char *nretry;
+ int retry_forever = 0;
+ unsigned long retrycnt = 0;
+
+ nretry = env_get("netretry");
+ if (nretry) {
+ if (!strcmp(nretry, "yes"))
+ retry_forever = 1;
+ else if (!strcmp(nretry, "no"))
+ retrycnt = 0;
+ else if (!strcmp(nretry, "once"))
+ retrycnt = 1;
+ else
+ retrycnt = simple_strtoul(nretry, NULL, 0);
+ } else {
+ retrycnt = 0;
+ retry_forever = 0;
+ }
+
+ if ((!retry_forever) && (net_try_count > retrycnt)) {
+ eth_halt();
+ /*
+ * We don't provide a way for the protocol to return an error,
+ * but this is almost always the reason.
+ */
+ return -ETIMEDOUT;
+ }
+
+ net_try_count++;
+
+ eth_halt();
+#if !defined(CONFIG_NET_DO_NOT_TRY_ANOTHER)
+ eth_try_another(!net_restarted);
+#endif
+ return eth_init();
}
diff --git a/net/lwip/ping.c b/net/lwip/ping.c
index c586a96806d..d8042ceecf9 100644
--- a/net/lwip/ping.c
+++ b/net/lwip/ping.c
@@ -168,10 +168,13 @@ int do_ping(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
if (!ipaddr_aton(argv[1], &addr))
return CMD_RET_USAGE;
- net_lwip_set_current();
-
- if (ping_loop(eth_get_dev(), &addr) < 0)
- return CMD_RET_FAILURE;
+restart:
+ if (net_lwip_eth_start() < 0 || ping_loop(eth_get_dev(), &addr) < 0) {
+ if (net_start_again() == 0)
+ goto restart;
+ else
+ return CMD_RET_FAILURE;
+ }
return CMD_RET_SUCCESS;
}
diff --git a/net/lwip/tftp.c b/net/lwip/tftp.c
index 123d66b5dba..4f9b2049187 100644
--- a/net/lwip/tftp.c
+++ b/net/lwip/tftp.c
@@ -280,7 +280,10 @@ int do_tftpb(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
goto out;
}
- net_lwip_set_current();
+ if (net_lwip_eth_start() < 0) {
+ ret = CMD_RET_FAILURE;
+ goto out;
+ }
if (tftp_loop(eth_get_dev(), laddr, fname, srvip, port) < 0)
ret = CMD_RET_FAILURE;
diff --git a/net/lwip/wget.c b/net/lwip/wget.c
index ec098148835..a3b82908877 100644
--- a/net/lwip/wget.c
+++ b/net/lwip/wget.c
@@ -471,7 +471,11 @@ static int wget_loop(struct udevice *udev, ulong dst_addr, char *uri)
int wget_do_request(ulong dst_addr, char *uri)
{
- net_lwip_set_current();
+ int ret;
+
+ ret = net_lwip_eth_start();
+ if (ret < 0)
+ return ret;
if (!wget_info)
wget_info = &default_wget_info;