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mctp monitor: Dump IFLA_MCTP attributes #150

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mctp monitor: Dump IFLA_MCTP attributes #150

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71 changes: 70 additions & 1 deletion src/mctp.c
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Original file line number Diff line number Diff line change
Expand Up @@ -158,13 +158,82 @@ static const char *rtattr_name(enum attrgroup group, unsigned int type)
return attrnames[group].names[type];
}

static void dump_print_u32(void *val, size_t len, const char *attr_name,
uint32_t attr_type, const char *prefix)
{
printf("%sattr %s (0x%x): ", prefix, attr_name, attr_type);

uint32_t v;
if (len == sizeof(v)) {
memcpy(&v, val, sizeof(v));
printf("%u\n", v);
} else {
printf("Bad value\n");
}
}

static void dump_print_u8(void *val, size_t len, const char *attr_name,
uint32_t attr_type, const char *prefix)
{
printf("%sattr %s (0x%x): ", prefix, attr_name, attr_type);

uint8_t v;
if (len == sizeof(v)) {
memcpy(&v, val, sizeof(v));
printf("%u\n", v);
} else {
printf("Bad value\n");
}
}

static void dump_ifla_af_mctp(struct rtattr *rta, size_t len)
{
for (; RTA_OK(rta, len); rta = RTA_NEXT(rta, len)) {
switch (rta->rta_type) {
case IFLA_MCTP_NET:
dump_print_u32(RTA_DATA(rta), RTA_PAYLOAD(rta),
"IFLA_MCTP_NET", IFLA_MCTP_NET, " ");
break;
case IFLA_MCTP_PHYS_BINDING:
dump_print_u8(RTA_DATA(rta), RTA_PAYLOAD(rta),
"IFLA_MCTP_PHYS_BINDING",
IFLA_MCTP_PHYS_BINDING, " ");
break;
default:
printf(" Unknown MCTP link attribute 0x%x\n",
rta->rta_type);
mctp_hexdump(RTA_DATA(rta), RTA_PAYLOAD(rta), " ");
}
}
}

static void dump_ifla_af_spec(struct rtattr *rta, size_t len)
{
for (; RTA_OK(rta, len); rta = RTA_NEXT(rta, len)) {
if (rta->rta_type == AF_MCTP) {
printf(" family %d AF_MCTP:\n", rta->rta_type);
dump_ifla_af_mctp(RTA_DATA(rta), RTA_PAYLOAD(rta));
} else {
printf(" family %d:\n", rta->rta_type);
mctp_hexdump(RTA_DATA(rta), RTA_PAYLOAD(rta), " ");
}
}
}

static void dump_rtnlmsg_attrs(enum attrgroup group, struct rtattr *rta,
size_t len)
{
for (; RTA_OK(rta, len); rta = RTA_NEXT(rta, len)) {
printf("attr %s (0x%x)\n", rtattr_name(group, rta->rta_type),
rta->rta_type);
mctp_hexdump(RTA_DATA(rta), RTA_PAYLOAD(rta), " ");
switch (rta->rta_type) {
case IFLA_AF_SPEC:
dump_ifla_af_spec(RTA_DATA(rta), RTA_PAYLOAD(rta));
break;
default:
mctp_hexdump(RTA_DATA(rta), RTA_PAYLOAD(rta), " ");
break;
}
}
}

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