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net: ping6: Add ping6 command

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Implement ping6 command to ping hosts using IPv6. It works the same way as
an ordinary ping command. There is no ICMP request so it is not possible
to ping our host. This patch adds options in Kconfig and Makefile to
build ping6 command.

Series-changes: 3
- Added structures and functions descriptions
- Added to ping6_receive() return value instead of void

Series-changes: 4
- Fixed structures and functions description style

Signed-off-by: Viacheslav Mitrofanov <v.v.mitrofanov@yadro.com>
Reviewed-by: Ramon Fried <rfried.dev@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Viacheslav Mitrofanov
2022-12-02 12:18:08 +03:00
committed by Tom Rini
parent 7fbf230d79
commit eeb0a2c693
8 changed files with 197 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
include/net.h
View File

@@ -560,8 +560,8 @@ extern ushort net_native_vlan; /* Our Native VLAN */
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, WOL, UDP, NCSI, WGET
BOOTP, RARP, ARP, TFTPGET, DHCP, PING, PING6, DNS, NFS, CDP, NETCONS,
SNTP, TFTPSRV, TFTPPUT, LINKLOCAL, FASTBOOT, WOL, UDP, NCSI, WGET
};
extern char net_boot_file_name[1024];/* Boot File name */

26
include/net6.h
View File

@@ -172,6 +172,7 @@ extern struct in6_addr net_ip6; /* Our IPv6 addr (0 = unknown) */
extern struct in6_addr net_link_local_ip6; /* Our link local IPv6 addr */
extern u32 net_prefix_length; /* Our prefixlength (0 = unknown) */
extern struct in6_addr net_server_ip6; /* Server IPv6 addr (0 = unknown) */
extern struct in6_addr net_ping_ip6; /* the ipv6 address to ping */
extern bool use_ip6;
#if IS_ENABLED(CONFIG_IPV6)
@@ -403,4 +404,29 @@ static inline void net_copy_ip6(void *to, const void *from)
}
#endif
#if IS_ENABLED(CONFIG_CMD_PING6)
/* Send ping requset */
void ping6_start(void);
/**
* ping6_receive() - Handle reception of ICMPv6 echo request/reply
*
* @et: pointer to incoming patcket
* @ip6: pointer to IPv6 protocol
* @len: packet length
* Return: 0 if success, -EINVAL in case of failure during reception
*/
int ping6_receive(struct ethernet_hdr *et, struct ip6_hdr *ip6, int len);
#else
static inline void ping6_start(void)
{
}
static inline
int ping6_receive(struct ethernet_hdr *et, struct ip6_hdr *ip6, int len)
{
return -EINVAL;
}
#endif /* CONFIG_CMD_PING6 */
#endif /* __NET6_H__ */