sntp: use udp framework

This commits update the support of sntp to use
the framework udp. This change allows to remove
all the reference to sntp in the main network
file net/net.c.

Signed-off-by: Philippe Reynes <philippe.reynes@softathome.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Philippe Reynes 2020-09-18 14:13:02 +02:00 committed by Tom Rini
parent 6b981a224e
commit 912ece4c3d
5 changed files with 40 additions and 34 deletions

View file

@ -1645,6 +1645,7 @@ config CMD_CDP
config CMD_SNTP
bool "sntp"
select PROT_UDP
help
Synchronize RTC via network

View file

@ -13,6 +13,8 @@
#include <env.h>
#include <image.h>
#include <net.h>
#include <net/udp.h>
#include <net/sntp.h>
static int netboot_common(enum proto_t, struct cmd_tbl *, int, char * const []);
@ -356,6 +358,12 @@ U_BOOT_CMD(
#endif
#if defined(CONFIG_CMD_SNTP)
static struct udp_ops sntp_ops = {
.prereq = sntp_prereq,
.start = sntp_start,
.data = NULL,
};
int do_sntp(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
{
char *toff;
@ -380,7 +388,7 @@ int do_sntp(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
else
net_ntp_time_offset = simple_strtol(toff, NULL, 10);
if (net_loop(SNTP) < 0) {
if (udp_loop(&sntp_ops) < 0) {
printf("SNTP failed: host %pI4 not responding\n",
&net_ntp_server);
return CMD_RET_FAILURE;

View file

@ -52,6 +52,7 @@ struct sntp_pkt_t {
unsigned long long transmit_timestamp;
} __attribute__((packed));
void sntp_start(void); /* Begin SNTP */
int sntp_prereq(void *data);
int sntp_start(void *data); /* Begin SNTP */
#endif /* __SNTP_H__ */

View file

@ -72,12 +72,6 @@
* We want: - load the boot file
* Next step: none
*
* SNTP:
*
* Prerequisites: - own ethernet address
* - own IP address
* We want: - network time
* Next step: none
*
* WOL:
*
@ -119,9 +113,6 @@
#include "nfs.h"
#include "ping.h"
#include "rarp.h"
#if defined(CONFIG_CMD_SNTP)
#include "sntp.h"
#endif
#if defined(CONFIG_CMD_WOL)
#include "wol.h"
#endif
@ -185,13 +176,6 @@ u32 net_boot_file_size;
/* Boot file size in blocks as reported by the DHCP server */
u32 net_boot_file_expected_size_in_blocks;
#if defined(CONFIG_CMD_SNTP)
/* NTP server IP address */
struct in_addr net_ntp_server;
/* offset time from UTC */
int net_ntp_time_offset;
#endif
static uchar net_pkt_buf[(PKTBUFSRX+1) * PKTSIZE_ALIGN + PKTALIGN];
/* Receive packets */
uchar *net_rx_packets[PKTBUFSRX];
@ -521,11 +505,6 @@ restart:
nc_start();
break;
#endif
#if defined(CONFIG_CMD_SNTP)
case SNTP:
sntp_start();
break;
#endif
#if defined(CONFIG_CMD_DNS)
case DNS:
dns_start();
@ -1352,14 +1331,6 @@ static int net_check_prereq(enum proto_t protocol)
}
goto common;
#endif
#if defined(CONFIG_CMD_SNTP)
case SNTP:
if (net_ntp_server.s_addr == 0) {
puts("*** ERROR: NTP server address not given\n");
return 1;
}
goto common;
#endif
#if defined(CONFIG_CMD_DNS)
case DNS:
if (net_dns_server.s_addr == 0) {
@ -1385,7 +1356,7 @@ static int net_check_prereq(enum proto_t protocol)
puts("*** ERROR: `serverip' not set\n");
return 1;
}
#if defined(CONFIG_CMD_PING) || defined(CONFIG_CMD_SNTP) || \
#if defined(CONFIG_CMD_PING) || \
defined(CONFIG_CMD_DNS) || defined(CONFIG_PROT_UDP)
common:
#endif

View file

@ -12,12 +12,17 @@
#include <net.h>
#include <rtc.h>
#include "sntp.h"
#include <net/sntp.h>
#define SNTP_TIMEOUT 10000UL
static int sntp_our_port;
/* NTP server IP address */
struct in_addr net_ntp_server;
/* offset time from UTC */
int net_ntp_time_offset;
static void sntp_send(void)
{
struct sntp_pkt_t pkt;
@ -93,7 +98,25 @@ static void sntp_handler(uchar *pkt, unsigned dest, struct in_addr sip,
net_set_state(NETLOOP_SUCCESS);
}
void sntp_start(void)
/*
* SNTP:
*
* Prerequisites: - own ethernet address
* - own IP address
* We want: - network time
* Next step: none
*/
int sntp_prereq(void *data)
{
if (net_ntp_server.s_addr == 0) {
puts("*** ERROR: NTP server address not given\n");
return 1;
}
return 0;
}
int sntp_start(void *data)
{
debug("%s\n", __func__);
@ -102,4 +125,6 @@ void sntp_start(void)
memset(net_server_ethaddr, 0, sizeof(net_server_ethaddr));
sntp_send();
return 0;
}