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sntp: use udp framework

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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
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1
cmd/Kconfig
View file

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

10
cmd/net.c
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;

3
net/sntp.h → include/net/sntp.h
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__ */

31
net/net.c
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

29
net/sntp.c
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;
}