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monitor: Pretty print LinkMode value

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LinkMode tells whether kernel (0) or user space (1) is controlling
the link.
This commit is contained in:
Jukka Rissanen 2015-03-25 13:38:05 +02:00 committed by Denis Kenzior
parent f4f5afdd50
commit 02a2515f3d
1 changed files with 30 additions and 1 deletions
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31
monitor/nlmon.c
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@ -2766,6 +2766,34 @@ static void print_oper_state(unsigned int indent, const char *str,
oper_state_to_ascii(oper_state), oper_state);
}
static const char *link_mode_to_ascii(const uint8_t mode)
{
switch(mode) {
case 0:
return "kernel controlled";
case 1:
return "userspace controlled";
}
return NULL;
}
static void print_link_mode(unsigned int indent, const char *str,
const void *buf, uint16_t size)
{
uint8_t link_mode;
if (size != 1) {
printf("malformed packet\n");
return;
}
link_mode = ((uint8_t *)buf)[0];
print_attr(indent, "%s: %s (%d)", str,
link_mode_to_ascii(link_mode), link_mode);
}
static struct attr_entry info_entry[] = {
{ IFLA_ADDRESS, "Interface Address", ATTR_CUSTOM,
{ .function = print_ifi_addr } },
@ -2777,7 +2805,8 @@ static struct attr_entry info_entry[] = {
{ IFLA_TXQLEN, "Txqlen", ATTR_U32 },
{ IFLA_OPERSTATE, "OperState", ATTR_CUSTOM,
{ .function = print_oper_state } },
{ IFLA_LINKMODE, "LinkMode", ATTR_U8 },
{ IFLA_LINKMODE, "LinkMode", ATTR_CUSTOM,
{ .function = print_link_mode } },
{ IFLA_LINK, "Link", ATTR_S32 },
{ IFLA_QDISC, "Qdisc", ATTR_STRING },
{ IFLA_STATS, "Stats", ATTR_BINARY },