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monitor: Some attributes are either flags or unsigned 16-bit integers

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This commit is contained in:
Marcel Holtmann 2014-08-06 05:48:35 +02:00
parent 19bdbc3c2d
commit e4e45566d9
1 changed files with 12 additions and 1 deletions
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13
monitor/nlmon.c
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@ -118,6 +118,7 @@ enum attr_type {
ATTR_BINARY, ATTR_BINARY,
ATTR_NESTED, ATTR_NESTED,
ATTR_ARRAY, ATTR_ARRAY,
ATTR_FLAG_OR_U16,
}; };
struct attr_entry { struct attr_entry {
@ -380,7 +381,7 @@ static const struct attr_entry attr_table[] = {
{ NL80211_ATTR_FRAME_TYPE, { NL80211_ATTR_FRAME_TYPE,
"Frame Type", ATTR_U16 }, "Frame Type", ATTR_U16 },
{ NL80211_ATTR_CONTROL_PORT_ETHERTYPE, { NL80211_ATTR_CONTROL_PORT_ETHERTYPE,
"Control Port Ethertype", ATTR_U16 }, "Control Port Ethertype", ATTR_FLAG_OR_U16 },
{ NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT, { NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT,
"Control Port No Encrypt", ATTR_FLAG }, "Control Port No Encrypt", ATTR_FLAG },
{ NL80211_ATTR_SUPPORT_IBSS_RSN, { NL80211_ATTR_SUPPORT_IBSS_RSN,
@ -764,6 +765,16 @@ static void print_attributes(int indent, const struct attr_entry *table,
print_array(indent + 4, array_type, print_array(indent + 4, array_type,
NLA_DATA(nla), NLA_PAYLOAD(nla)); NLA_DATA(nla), NLA_PAYLOAD(nla));
break; break;
case ATTR_FLAG_OR_U16:
if (NLA_PAYLOAD(nla) == 0)
printf("%*c%s: true\n", indent, ' ', str);
else if (NLA_PAYLOAD(nla) == 2) {
val16 = *((uint16_t *) NLA_DATA(nla));
printf("%*c%s: %u (0x%04x)\n", indent, ' ',
str, val16, val16);
} else
printf("malformed packet\n");
break;
} }
} }
} }