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monitor: Pretty print OperState value

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Instead of plain number, decode the value for human consumption.
This commit is contained in:
Jukka Rissanen 2015-03-25 13:38:04 +02:00 committed by Denis Kenzior
parent 2c3c96f322
commit f4f5afdd50
1 changed files with 40 additions and 1 deletions
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41
monitor/nlmon.c
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@ -2728,6 +2728,44 @@ static void print_ifi_addr(unsigned int indent, const char *str,
print_attr(indent, "%s: %s", str, ether_ntoa(&eth));
}
static const char *oper_state_to_ascii(const uint8_t state)
{
switch(state) {
case IF_OPER_UNKNOWN:
return "unknown";
case IF_OPER_NOTPRESENT:
return "not present";
case IF_OPER_DOWN:
return "down";
case IF_OPER_LOWERLAYERDOWN:
return "lower layer down";
case IF_OPER_TESTING:
return "testing";
case IF_OPER_DORMANT:
return "dormant";
case IF_OPER_UP:
return "up";
}
return NULL;
}
static void print_oper_state(unsigned int indent, const char *str,
const void *buf, uint16_t size)
{
uint8_t oper_state;
if (size != 1) {
printf("malformed packet\n");
return;
}
oper_state = ((uint8_t *)buf)[0];
print_attr(indent, "%s: %s (%d)", str,
oper_state_to_ascii(oper_state), oper_state);
}
static struct attr_entry info_entry[] = {
{ IFLA_ADDRESS, "Interface Address", ATTR_CUSTOM,
{ .function = print_ifi_addr } },
@ -2737,7 +2775,8 @@ static struct attr_entry info_entry[] = {
{ IFLA_MASTER, "Master", ATTR_U32 },
{ IFLA_MTU, "MTU", ATTR_U32 },
{ IFLA_TXQLEN, "Txqlen", ATTR_U32 },
{ IFLA_OPERSTATE, "OperState", ATTR_U8 },
{ IFLA_OPERSTATE, "OperState", ATTR_CUSTOM,
{ .function = print_oper_state } },
{ IFLA_LINKMODE, "LinkMode", ATTR_U8 },
{ IFLA_LINK, "Link", ATTR_S32 },
{ IFLA_QDISC, "Qdisc", ATTR_STRING },