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lan: Fix processing disabled VLAN

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Before this fix `ipmitool` would complain that VLAN ID
is out of range when trying to disable an already disabled VLAN
on a lan channel. With this fix it will properly report that
VLAN is already disabled.

Resolves ipmitool/ipmitool#55

Signed-off-by: Alexander Amelkin <alexander@amelkin.msk.ru>
This commit is contained in:
Alexander Amelkin 2018-11-11 11:57:12 +03:00
parent 6c3d4b56c9
commit 6e2b688e24
No known key found for this signature in database
GPG Key ID: E893587B5B74178D
2 changed files with 34 additions and 11 deletions
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7
include/ipmitool/ipmi_lanp.h
View File

@ -50,6 +50,13 @@
#define IPMI_LANP_WRITE_LOCK 1
#define IPMI_LANP_WRITE_COMMIT 2
#define IPMI_LANP_VLAN_ID_MAX 4094
#define IPMI_LANP_VLAN_ID_MIN 1
#define IPMI_LANP_VLAN_DISABLE 0 /* ID 0 = VLAN is disabled for the channel */
#define IPMI_LANP_IS_VLAN_VALID(x) \
((x) >= IPMI_LANP_VLAN_ID_MIN && (x) <= IPMI_LANP_VLAN_ID_MAX)
enum {
IPMI_LANP_SET_IN_PROGRESS,
IPMI_LANP_AUTH_TYPE,

38
lib/ipmi_lanp.c
View File

@ -1204,18 +1204,27 @@ ipmi_lan_set_vlan_id(struct ipmi_intf *intf, uint8_t chan, char *string)
{
struct lan_param *p;
uint8_t data[2];
int rc;
int rc = -1;
if (!string) {
if (!string) { /* request to disable VLAN */
lprintf(LOG_DEBUG, "Get current VLAN ID from BMC.");
p = get_lan_param(intf, chan, IPMI_LANP_VLAN_ID);
if (p && p->data && p->data_len > 1) {
int id = ((p->data[1] & 0x0f) << 8) + p->data[0];
if (id < 1 || id > 4094) {
if (IPMI_LANP_VLAN_DISABLE == id) {
printf("VLAN is already disabled for channel %"
PRIu8 "\n", chan);
rc = 0;
goto out;
}
if (IPMI_LANP_IS_VLAN_VALID(id)) {
lprintf(LOG_ERR,
"Retrieved VLAN ID %i is out of range <1..4094>.",
id);
return (-1);
"Retrieved VLAN ID %i is out of "
"range <%d..%d>.",
id,
IPMI_LANP_VLAN_ID_MIN,
IPMI_LANP_VLAN_ID_MAX);
goto out;
}
data[0] = p->data[0];
data[1] = p->data[1] & 0x0F;
@ -1227,13 +1236,18 @@ ipmi_lan_set_vlan_id(struct ipmi_intf *intf, uint8_t chan, char *string)
else {
int id = 0;
if (str2int(string, &id) != 0) {
lprintf(LOG_ERR, "Given VLAN ID '%s' is invalid.", string);
return (-1);
lprintf(LOG_ERR,
"Given VLAN ID '%s' is invalid.",
string);
goto out;
}
if (id < 1 || id > 4094) {
lprintf(LOG_NOTICE, "VLAN ID must be between 1 and 4094.");
return (-1);
if (IPMI_LANP_IS_VLAN_VALID(id)) {
lprintf(LOG_NOTICE,
"VLAN ID must be between %d and %d.",
IPMI_LANP_VLAN_ID_MIN,
IPMI_LANP_VLAN_ID_MAX);
goto out;
}
else {
data[0] = (uint8_t)id;
@ -1241,6 +1255,8 @@ ipmi_lan_set_vlan_id(struct ipmi_intf *intf, uint8_t chan, char *string)
}
}
rc = set_lan_param(intf, chan, IPMI_LANP_VLAN_ID, data, 2);
out:
return rc;
}