[PATCH phosphor-host-ipmid v2] IPMI support for get and set lan
OpenBMC Patches
patches at stwcx.xyz
Sat Oct 31 07:17:56 AEDT 2015
From: Adriana Kobylak <anoo at us.ibm.com>
Add enough support to query common network parameters
and be able to setup the network vi IPMI.
Use command line for now.
---
Makefile | 1 +
ipmid-api.h | 20 +++---
transporthandler.C | 200 +++++++++++++++++++++++++++++++++++++++++++++++++++++
transporthandler.h | 18 +++++
4 files changed, 229 insertions(+), 10 deletions(-)
create mode 100644 transporthandler.C
create mode 100644 transporthandler.h
diff --git a/Makefile b/Makefile
index a91328e..97c45e6 100644
--- a/Makefile
+++ b/Makefile
@@ -14,6 +14,7 @@ LIB_APP_OBJ = apphandler.o \
dcmihandler.o \
ipmisensor.o \
storageaddsel.o \
+ transporthandler.o \
TESTADDSEL_OBJ = $(TESTADDSEL).o \
diff --git a/ipmid-api.h b/ipmid-api.h
index a78846c..b3117d5 100644
--- a/ipmid-api.h
+++ b/ipmid-api.h
@@ -62,16 +62,16 @@ extern "C" void ipmi_register_callback(ipmi_netfn_t, ipmi_cmd_t,
// Note: these are also shifted left to make room for the LUN.
enum ipmi_net_fns
{
- NETFUN_CHASSIS = 0x00,
- NETFUN_BRIDGE = 0x02,
- NETFUN_SENSOR = 0x04,
- NETFUN_APP = 0x06,
- NETFUN_FIRMWARE = 0x08,
- NETFUN_STORAGE = 0x0a,
- NETFUN_TRANPORT = 0x0c,
- NETFUN_GRPEXT = 0x2c,
- NETFUN_NONE = 0x30,
- NETFUN_OEM = 0x32
+ NETFUN_CHASSIS = 0x00,
+ NETFUN_BRIDGE = 0x02,
+ NETFUN_SENSOR = 0x04,
+ NETFUN_APP = 0x06,
+ NETFUN_FIRMWARE = 0x08,
+ NETFUN_STORAGE = 0x0a,
+ NETFUN_TRANSPORT = 0x0c,
+ NETFUN_GRPEXT = 0x2c,
+ NETFUN_NONE = 0x30,
+ NETFUN_OEM = 0x32
};
// IPMI commands for net functions. Since this is to be used both by the ipmi
diff --git a/transporthandler.C b/transporthandler.C
new file mode 100644
index 0000000..ca8522d
--- /dev/null
+++ b/transporthandler.C
@@ -0,0 +1,200 @@
+#include <stdio.h>
+#include <string.h>
+#include <stdint.h>
+
+#include "ipmid-api.h"
+#include "ipmid.H"
+#include "transporthandler.h"
+
+void register_netfn_transport_functions() __attribute__((constructor));
+
+ipmi_ret_t ipmi_transport_wildcard(ipmi_netfn_t netfn, ipmi_cmd_t cmd,
+ ipmi_request_t request, ipmi_response_t response,
+ ipmi_data_len_t data_len, ipmi_context_t context)
+{
+ printf("Handling TRANSPORT WILDCARD Netfn:[0x%X], Cmd:[0x%X]\n",netfn, cmd);
+ // Status code.
+ ipmi_ret_t rc = IPMI_CC_OK;
+ *data_len = 0;
+ return rc;
+}
+
+struct set_lan_t {
+ uint8_t channel;
+ uint8_t parameter;
+ uint8_t data[8]; // Per IPMI spec, not expecting more than this size
+} __attribute__ ((packed));
+
+ipmi_ret_t ipmi_transport_set_lan(ipmi_netfn_t netfn, ipmi_cmd_t cmd,
+ ipmi_request_t request, ipmi_response_t response,
+ ipmi_data_len_t data_len, ipmi_context_t context)
+{
+ ipmi_ret_t rc = IPMI_CC_OK;
+ *data_len = 0;
+
+ int i = 0;
+ char syscmd[128];
+
+ printf("IPMI SET_LAN\n");
+
+ set_lan_t *reqptr = (set_lan_t*) request;
+
+ // TODO Use dbus interface once available. For now use cmd line.
+ // TODO Add the rest of the parameters like setting auth type
+ // TODO Add error handling
+
+ if (reqptr->parameter == 3) // IP
+ {
+ sprintf(syscmd, "ifconfig eth0 %d.%d.%d.%d", reqptr->data[0], reqptr->data[1], reqptr->data[2], reqptr->data[3]);
+ system(syscmd);
+ }
+ else if (reqptr->parameter == 6) // Subnet
+ {
+ sprintf(syscmd, "ifconfig eth0 netmask %d.%d.%d.%d", reqptr->data[0], reqptr->data[1], reqptr->data[2], reqptr->data[3]);
+ system(syscmd);
+ }
+ else if (reqptr->parameter == 12) // Gateway
+ {
+ sprintf(syscmd, "route add default gw %d.%d.%d.%d", reqptr->data[0], reqptr->data[1], reqptr->data[2], reqptr->data[3]);
+ system(syscmd);
+ }
+ else
+ {
+ fprintf(stderr, "Unsupported parameter 0x%x\n", reqptr->parameter);
+ return IPMI_CC_PARM_NOT_SUPPORTED;
+ }
+
+ return rc;
+}
+
+struct get_lan_t {
+ uint8_t rev_channel;
+ uint8_t parameter;
+ uint8_t parameter_set;
+ uint8_t parameter_block;
+} __attribute__ ((packed));
+
+ipmi_ret_t ipmi_transport_get_lan(ipmi_netfn_t netfn, ipmi_cmd_t cmd,
+ ipmi_request_t request, ipmi_response_t response,
+ ipmi_data_len_t data_len, ipmi_context_t context)
+{
+ ipmi_ret_t rc = IPMI_CC_OK;
+ *data_len = 0;
+
+ const uint8_t current_revision = 0x11; // Current rev per IPMI Spec 2.0
+ char syscmd[128];
+ int i = 0;
+
+ printf("IPMI GET_LAN\n");
+
+ get_lan_t *reqptr = (get_lan_t*) request;
+
+ if (reqptr->rev_channel & 0x80) // Revision is bit 7
+ {
+ // Only current revision was requested
+ *data_len = sizeof(current_revision);
+ memcpy(response, ¤t_revision, *data_len);
+ return IPMI_CC_OK;
+ }
+
+ // TODO Use dbus interface once available. For now use ip cmd.
+ // TODO Add the rest of the parameters, like gateway
+
+ if (reqptr->parameter == 0) // In progress
+ {
+ uint8_t buf[] = {current_revision,0};
+ *data_len = sizeof(buf);
+ memcpy(response, &buf, *data_len);
+ return IPMI_CC_OK;
+ }
+ else if (reqptr->parameter == 1) // Authentication support
+ {
+ uint8_t buf[] = {current_revision,0x04};
+ *data_len = sizeof(buf);
+ memcpy(response, &buf, *data_len);
+ return IPMI_CC_OK;
+ }
+ else if (reqptr->parameter == 2) // Authentication enables
+ {
+ uint8_t buf[] = {current_revision,0x04,0x04,0x04,0x04,0x04};
+ *data_len = sizeof(buf);
+ memcpy(response, &buf, *data_len);
+ return IPMI_CC_OK;
+ }
+ else if (reqptr->parameter == 3) // IP
+ {
+ //string to parse: inet xx.xx.xxx.xxx/xx
+
+ uint8_t buf[5];
+ memcpy((void*)&buf[0], ¤t_revision, 1);
+
+ for (i=0; i<4; i++)
+ {
+ char ip[5];
+
+ sprintf(syscmd, "ip address show dev eth0|grep inet|cut -d'/' -f1|cut -d' ' -f 6|cut -d'.' -f%d|head -n1", i+1);
+ FILE *fp = popen(syscmd, "r");
+
+ memset(ip,0,sizeof(ip));
+ while (fgets(ip, sizeof(ip), fp) != 0)
+ {
+ int tmpip = strtoul(ip, NULL, 10);
+ memcpy((void*)&buf[i+1], &tmpip, 1);
+ }
+ pclose(fp);
+ }
+
+ *data_len = sizeof(buf);
+ memcpy(response, &buf, *data_len);
+ return IPMI_CC_OK;
+ }
+ else if (reqptr->parameter == 5) // MAC
+ {
+ //string to parse: link/ether xx:xx:xx:xx:xx:xx
+
+ uint8_t buf[7];
+ memcpy((void*)&buf[0], ¤t_revision, 1);
+
+ for (i=0; i<6; i++)
+ {
+ char mac[4];
+
+ sprintf(syscmd, "ip address show dev eth0|grep link|cut -d' ' -f 6|cut -d':' -f%d", i+1);
+ FILE *fp = popen(syscmd, "r");
+
+ memset(mac,0,sizeof(mac));
+ while (fgets(mac, sizeof(mac), fp) != 0)
+ {
+ int tmpmac = strtoul(mac, NULL, 16);
+ memcpy((void*)&buf[i+1], &tmpmac, 1);
+ }
+ pclose(fp);
+ }
+
+ *data_len = sizeof(buf);
+ memcpy(response, &buf, *data_len);
+ return IPMI_CC_OK;
+ }
+ else
+ {
+ fprintf(stderr, "Unsupported parameter 0x%x\n", reqptr->parameter);
+ return IPMI_CC_PARM_NOT_SUPPORTED;
+ }
+
+ return rc;
+}
+
+void register_netfn_transport_functions()
+{
+ printf("Registering NetFn:[0x%X], Cmd:[0x%X]\n",NETFUN_TRANSPORT, IPMI_CMD_WILDCARD);
+ ipmi_register_callback(NETFUN_TRANSPORT, IPMI_CMD_WILDCARD, NULL, ipmi_transport_wildcard);
+
+ printf("Registering NetFn:[0x%X], Cmd:[0x%X]\n",NETFUN_TRANSPORT, IPMI_CMD_SET_LAN);
+ ipmi_register_callback(NETFUN_TRANSPORT, IPMI_CMD_SET_LAN, NULL, ipmi_transport_set_lan);
+
+ printf("Registering NetFn:[0x%X], Cmd:[0x%X]\n",NETFUN_TRANSPORT, IPMI_CMD_GET_LAN);
+ ipmi_register_callback(NETFUN_TRANSPORT, IPMI_CMD_GET_LAN, NULL, ipmi_transport_get_lan);
+
+ return;
+}
+
diff --git a/transporthandler.h b/transporthandler.h
new file mode 100644
index 0000000..49b1d95
--- /dev/null
+++ b/transporthandler.h
@@ -0,0 +1,18 @@
+#ifndef __HOST_IPMI_TRANSPORT_HANDLER_H__
+#define __HOST_IPMI_TRANSPORT_HANDLER_H__
+
+// IPMI commands for Transport net functions.
+enum ipmi_netfn_storage_cmds
+{
+ // Get capability bits
+ IPMI_CMD_SET_LAN = 0x01,
+ IPMI_CMD_GET_LAN = 0x02,
+};
+
+// Command specific completion codes
+enum ipmi_transport_return_codes
+{
+ IPMI_CC_PARM_NOT_SUPPORTED = 0x80,
+};
+
+#endif
--
2.6.0
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