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ping: add -I for bind device

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Add -I option to specify the network device to use for sending ICMP
echo requests. This allows users to explicitly bind ping to a
specific network interface, which is particularly useful in
multi-homed systems with multiple network interfaces.

Signed-off-by: meijian <meijian@xiaomi.com>
This commit is contained in:
meijian 2025-03-14 17:23:30 +08:00 • committed by Xiang Xiao
parent 532a055abb
commit 5d3b2d07d6
6 changed files with 68 additions and 2 deletions
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4
include/netutils/icmp_ping.h
View file

@ -50,6 +50,7 @@
#define ICMP_E_POLL -11 /* extra: error code */
#define ICMP_E_RECVFROM -13 /* extra: error code */
#define ICMP_E_RECVSMALL -15 /* extra: recv bytes */
#define ICMP_E_BINDDEV -17 /* extra: error bind */
/* Negative even number represent warning(recoverable) */
@ -70,6 +71,9 @@ struct ping_result_s;
struct ping_info_s
{
FAR const char *hostname; /* Host name to ping */
#ifdef CONFIG_NET_BINDTODEVICE
FAR const char *devname; /* Device name to bind */
#endif
uint16_t count; /* Number of pings requested */
uint16_t datalen; /* Number of bytes to be sent */
uint16_t delay; /* Deciseconds to delay between pings */

4
include/netutils/icmpv6_ping.h
View file

@ -50,6 +50,7 @@
#define ICMPv6_E_POLL -11 /* extra: error code */
#define ICMPv6_E_RECVFROM -13 /* extra: error code */
#define ICMPv6_E_RECVSMALL -15 /* extra: recv bytes */
#define ICMPV6_E_BINDDEV -17 /* extra: error bind */
/* Negative even number represent warning(recoverable) */
@ -70,6 +71,9 @@ struct ping6_result_s;
struct ping6_info_s
{
FAR const char *hostname; /* Host name to ping */
#ifdef CONFIG_NET_BINDTODEVICE
FAR const char *devname; /* Device name to bind */
#endif
uint16_t count; /* Number of pings requested */
uint16_t datalen; /* Number of bytes to be sent */
uint16_t delay; /* Deciseconds to delay between pings */