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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2010 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/*
* Query and configure LAN interfaces over IPMI. This is done through the
* complicated get/set LAN Configuration Parameters command. This queries or
* sets the parameters one per command in series. We hide this implementation
* detail and instead export a single structure to consumers.
*/
#include <stddef.h>
#include <strings.h>
#include <libipmi.h>
#include "ipmi_impl.h"
typedef struct ipmi_cmd_lan_get_config {
DECL_BITFIELD3(
ilgc_number :4,
__reserved :3,
ilgc_revonly :1);
uint8_t ilgc_param;
uint8_t ilgc_set;
uint8_t ilgc_block;
} ipmi_cmd_lan_get_config_t;
typedef struct ipmi_cmd_lan_set_config {
DECL_BITFIELD2(
ilsc_number :4,
__reserved :4);
uint8_t ilsc_param;
uint8_t ilsc_data[18];
} ipmi_cmd_lan_set_config_t;
#define IPMI_LAN_SET_LEN(dlen) \
(offsetof(ipmi_cmd_lan_set_config_t, ilsc_data) + (dlen))
#define IPMI_LAN_PARAM_SET_IN_PROGRESS 0
#define IPMI_LAN_PARAM_IP_ADDR 3
#define IPMI_LAN_PARAM_IP_SOURCE 4
#define IPMI_LAN_PARAM_MAC_ADDR 5
#define IPMI_LAN_PARAM_SUBNET_MASK 6
#define IPMI_LAN_PARAM_GATEWAY_ADDR 12
#define IPMI_LAN_SET_COMPLETE 0x0
#define IPMI_LAN_SET_INPROGRESS 0x1
#define IPMI_LAN_SET_COMMIT 0x2
typedef struct ipmi_lan_entry {
int ile_param;
int ile_mask;
int ile_set;
int ile_block;
size_t ile_offset;
size_t ile_len;
} ipmi_lan_entry_t;
static ipmi_lan_entry_t ipmi_lan_table[] = {
{ IPMI_LAN_PARAM_IP_ADDR, IPMI_LAN_SET_IPADDR, 0, 0,
offsetof(ipmi_lan_config_t, ilc_ipaddr), sizeof (uint32_t) },
{ IPMI_LAN_PARAM_IP_SOURCE, IPMI_LAN_SET_IPADDR_SOURCE, 0, 0,
offsetof(ipmi_lan_config_t, ilc_ipaddr_source), sizeof (uint8_t) },
{ IPMI_LAN_PARAM_MAC_ADDR, IPMI_LAN_SET_MACADDR, 0, 0,
offsetof(ipmi_lan_config_t, ilc_macaddr), 6 * sizeof (uint8_t) },
{ IPMI_LAN_PARAM_SUBNET_MASK, IPMI_LAN_SET_SUBNET, 0, 0,
offsetof(ipmi_lan_config_t, ilc_subnet), sizeof (uint32_t) },
{ IPMI_LAN_PARAM_GATEWAY_ADDR, IPMI_LAN_SET_GATEWAY_ADDR, 0, 0,
offsetof(ipmi_lan_config_t, ilc_gateway_addr), sizeof (uint32_t) }
};
#define IPMI_LAN_NENTRIES \
(sizeof (ipmi_lan_table) / sizeof (ipmi_lan_table[0]))
static int
ipmi_lan_get_param(ipmi_handle_t *ihp, int channel, int param, int set,
int block, void *data, size_t len)
{
ipmi_cmd_t cmd, *rsp;
ipmi_cmd_lan_get_config_t lcmd = { 0 };
lcmd.ilgc_number = channel;
lcmd.ilgc_param = param;
lcmd.ilgc_set = set;
lcmd.ilgc_block = block;
cmd.ic_netfn = IPMI_NETFN_TRANSPORT;
cmd.ic_lun = 0;
cmd.ic_cmd = IPMI_CMD_GET_LAN_CONFIG;
cmd.ic_data = &lcmd;
cmd.ic_dlen = sizeof (lcmd);
if ((rsp = ipmi_send(ihp, &cmd)) == NULL) {
switch (ihp->ih_completion) {
case 0x80:
(void) ipmi_set_error(ihp, EIPMI_BADPARAM, NULL);
break;
}
return (-1);
}
if (rsp->ic_dlen < len + 1)
return (ipmi_set_error(ihp, EIPMI_BAD_RESPONSE_LENGTH, NULL));
bcopy((uint8_t *)rsp->ic_data + 1, data, len);
return (0);
}
int
ipmi_lan_get_config(ipmi_handle_t *ihp, int channel, ipmi_lan_config_t *cfgp)
{
uint8_t set;
int i;
ipmi_lan_entry_t *lep;
if (ipmi_lan_get_param(ihp, channel, IPMI_LAN_PARAM_SET_IN_PROGRESS, 0,
0, &set, sizeof (set)) != 0)
return (-1);
if (set & IPMI_LAN_SET_INPROGRESS)
cfgp->ilc_set_in_progress = B_TRUE;
else
cfgp->ilc_set_in_progress = B_FALSE;
for (i = 0; i < IPMI_LAN_NENTRIES; i++) {
lep = &ipmi_lan_table[i];
if (ipmi_lan_get_param(ihp, channel, lep->ile_param,
lep->ile_set, lep->ile_block,
(char *)cfgp + lep->ile_offset, lep->ile_len) != 0)
return (-1);
}
return (0);
}
static int
ipmi_lan_set_param(ipmi_handle_t *ihp, int channel, int param, void *data,
size_t len)
{
ipmi_cmd_t cmd;
ipmi_cmd_lan_set_config_t lcmd = { 0 };
lcmd.ilsc_number = channel;
lcmd.ilsc_param = param;
bcopy(data, lcmd.ilsc_data, len);
cmd.ic_netfn = IPMI_NETFN_TRANSPORT;
cmd.ic_lun = 0;
cmd.ic_cmd = IPMI_CMD_SET_LAN_CONFIG;
cmd.ic_data = &lcmd;
cmd.ic_dlen = IPMI_LAN_SET_LEN(len);
if (ipmi_send(ihp, &cmd) == NULL) {
switch (ihp->ih_completion) {
case 0x80:
(void) ipmi_set_error(ihp, EIPMI_BADPARAM, NULL);
break;
case 0x81:
(void) ipmi_set_error(ihp, EIPMI_BUSY, NULL);
break;
case 0x82:
(void) ipmi_set_error(ihp, EIPMI_READONLY, NULL);
break;
case 0x83:
(void) ipmi_set_error(ihp, EIPMI_WRITEONLY, NULL);
break;
}
return (-1);
}
return (0);
}
int
ipmi_lan_set_config(ipmi_handle_t *ihp, int channel, ipmi_lan_config_t *cfgp,
int mask)
{
uint8_t set;
int i;
ipmi_lan_entry_t *lep;
/*
* Cancel any pending transaction, then open a new transaction.
*/
set = IPMI_LAN_SET_COMPLETE;
if (ipmi_lan_set_param(ihp, channel, IPMI_LAN_PARAM_SET_IN_PROGRESS,
&set, sizeof (set)) != 0)
return (-1);
set = IPMI_LAN_SET_INPROGRESS;
if (ipmi_lan_set_param(ihp, channel, IPMI_LAN_PARAM_SET_IN_PROGRESS,
&set, sizeof (set)) != 0)
return (-1);
/*
* Iterate over all parameters and set them.
*/
for (i = 0; i < IPMI_LAN_NENTRIES; i++) {
lep = &ipmi_lan_table[i];
if (!(lep->ile_mask & mask))
continue;
if (ipmi_lan_set_param(ihp, channel, lep->ile_param,
(char *)cfgp + lep->ile_offset, lep->ile_len) != 0) {
/*
* On some systems, setting the mode to DHCP may cause
* the command to timeout, presumably because it is
* waiting for the setting to take effect. If we see
* completion code 0xc3 (command timeout) while setting
* the DHCP value, just ignore it.
*/
if (mask != IPMI_LAN_SET_IPADDR_SOURCE ||
cfgp->ilc_ipaddr_source != IPMI_LAN_SRC_DHCP ||
ihp->ih_completion != 0xC3)
return (-1);
}
}
/*
* Commit the transaction.
*/
set = IPMI_LAN_SET_COMPLETE;
if (ipmi_lan_set_param(ihp, channel, IPMI_LAN_PARAM_SET_IN_PROGRESS,
&set, sizeof (set)) != 0)
return (-1);
return (0);
}
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