/*
* Copyright (c) 2008, Intel Corporation.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU Lesser General Public License,
* version 2.1, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
*
*/
#include "utils.h"
#include "api_lib.h"
#include "adapt_impl.h"
#ifndef HBA_STATUS_ERROR_ILLEGAL_FCID
#define HBA_STATUS_ERROR_ILLEGAL_FCID 33 /* defined after HBA-API 2.2 */
#endif
#define SEND_CT_TIMEOUT (3 * 1000) /* timeout in milliseconds */
/*
* The following are temporary settings until we can find a way to
* collect these information.
*/
#define HBA_ROM_VERSION ""
#define HBA_FW_VERSION ""
#define HBA_VENDOR_SPECIFIC_ID 0
/*
* table of /sys port types strings to HBA-API values.
*/
struct sa_nameval port_types_table[] = {
{ "Unknown", HBA_PORTTYPE_UNKNOWN },
{ "Other", HBA_PORTTYPE_OTHER },
{ "Not Present", HBA_PORTTYPE_NOTPRESENT },
{ "NPort (fabric via point-to-point)", HBA_PORTTYPE_NPORT },
{ "NLPort (fabric via loop)", HBA_PORTTYPE_NLPORT },
{ "LPort (private loop)", HBA_PORTTYPE_LPORT },
{ "Point-To-Point (direct nport connection)", HBA_PORTTYPE_PTP },
{ "NPIV VPORT", HBA_PORTTYPE_NPORT },
{ NULL, 0 }
};
/*
* table of /sys port state strings to HBA-API values.
*/
struct sa_nameval port_states_table[] = {
{ "Not Present", HBA_PORTSTATE_UNKNOWN },
{ "Online", HBA_PORTSTATE_ONLINE },
{ "Offline", HBA_PORTSTATE_OFFLINE },
{ "Blocked", HBA_PORTSTATE_UNKNOWN },
{ "Bypassed", HBA_PORTSTATE_BYPASSED },
{ "Diagnostics", HBA_PORTSTATE_DIAGNOSTICS },
{ "Linkdown", HBA_PORTSTATE_LINKDOWN },
{ "Error", HBA_PORTSTATE_ERROR },
{ "Loopback", HBA_PORTSTATE_LOOPBACK },
{ "Deleted", HBA_PORTSTATE_UNKNOWN },
{ NULL, 0 }
};
/*
* table of /sys port speed strings to HBA-API values.
*/
struct sa_nameval port_speeds_table[] = {
{ "Unknown", HBA_PORTSPEED_UNKNOWN },
{ "1 Gbit", HBA_PORTSPEED_1GBIT },
{ "2 Gbit", HBA_PORTSPEED_2GBIT },
{ "4 Gbit", HBA_PORTSPEED_4GBIT },
{ "10 Gbit", HBA_PORTSPEED_10GBIT },
{ "8 Gbit", HBA_PORTSPEED_8GBIT },
{ "16 Gbit", HBA_PORTSPEED_16GBIT },
{ "32 Gbit", HBA_PORTSPEED_32GBIT },
{ "20 Gbit", HBA_PORTSPEED_20GBIT },
{ "40 Gbit", HBA_PORTSPEED_40GBIT },
{ "Not Negotiated", HBA_PORTSPEED_NOT_NEGOTIATED },
{ NULL, 0 }
};
/*
* parse strings from /sys port speed/support_speeds files
* and convert them to bitmasks for the HBA_PORTSPEED supported
* Format expected: "1 Gbit[, 10 Gbit]", etc.
*/
static int sys_read_speed(const char *dir, const char *file, char *buf,
size_t buflen, HBA_PORTSPEED *speeds)
{
int rc = 0;
u_int32_t val = 0;
int len = 0;
char *cp;
struct sa_nameval *tp = port_speeds_table;
rc = sa_sys_read_line(dir, file, buf, buflen);
if (rc == 0 && strstr(buf, "Unknown") == NULL) {
for (cp = buf; *cp != '\0';) {
for (; tp->nv_name != NULL; tp++) {
len = strlen(tp->nv_name);
if (strncasecmp(tp->nv_name, cp, len) == 0) {
val |= tp->nv_val;
cp += len;
break;
}
}
if (*cp == '\0')
break;
if (*cp == ',') {
cp++;
if (*cp == ' ')
cp++;
}
else
break; /* invalid string */
}
}
*speeds = val;
return rc;
}
/*
* Code for OpenFC-supported adapters.
*/
static int
counting_rports(struct dirent *dp, void *arg)
{
int *count = (int *)arg;
if (!strstr(dp->d_name, "rport-"))
return HBA_STATUS_OK;
(*count)++;
return HBA_STATUS_OK;
}
static int
check_ifindex(struct dirent *dp, void *arg)
{
char *ifindex = (char *)arg;
char hba_dir[256];
char buf[256];
int rc;
snprintf(hba_dir, sizeof(hba_dir),
SYSFS_HBA_DIR "/%s", dp->d_name);
memset(buf, 0, sizeof(buf));
rc = sa_sys_read_line(hba_dir, "ifindex", buf, sizeof(buf) - 1);
if (rc)
return 0;
if (!strncmp(ifindex, buf, sizeof(buf))) {
strcpy(arg, dp->d_name);
return 1;
}
return 0;
}
/*
* find_phys_if - find the regular network interface name that
* has the ifindex that matches the specified iflink.
* This ifname will be used to find the PCI info
* of a VLAN interface.
* hba_dir: hba_dir of VLAN interface.
* buf: returns ifname of regular network interface.
*/
static int
find_phys_if(char *hba_dir, char *buf, size_t len)
{
int rc;
rc = sa_sys_read_line(hba_dir, "iflink", buf, len);
if (rc)
return 1;
/*
* Search for the regular network interface and
* return the interface name in the buf.
*/
sa_dir_read(SYSFS_HBA_DIR, check_ifindex, buf);
return 0;
}
static int
sysfs_scan(struct dirent *dp, void *arg)
{
HBA_ADAPTERATTRIBUTES *atp;
HBA_PORTATTRIBUTES *pap;
HBA_WWN wwnn;
struct hba_info hba_info;
struct adapter_info *ap;
struct port_info *pp;
char host_dir[80], hba_dir[80], drv_dir[80];
char dev_dir[128];
char ifname[20], buf[256];
char *driverName;
int data[32], rc, i;
char *cp;
char *saveptr; /* for strtok_r */
unsigned int ifindex;
unsigned int iflink;
memset(&hba_info, 0, sizeof(hba_info));
/*
* Create a new HBA entry (ap) for the local port
* We will create a new HBA entry for each local port.
*/
ap = malloc(sizeof(*ap));
if (!ap) {
fprintf(stderr, "%s: malloc failed, errno=0x%x\n",
__func__, errno);
return HBA_STATUS_ERROR;
}
memset(ap, 0, sizeof(*ap));
ap->ad_kern_index = atoi(dp->d_name + sizeof("host") - 1);
ap->ad_port_count = 1;
/* atp points to the HBA attributes structure */
atp = &ap->ad_attr;
/*
* Create a new local port entry
*/
pp = malloc(sizeof(*pp));
if (pp == NULL) {
fprintf(stderr,
"%s: malloc for local port %d failed,"
" errno=0x%x\n", __func__,
ap->ad_port_count - 1, errno);
free(ap);
return 0;
}
memset(pp, 0, sizeof(*pp));
pp->ap_adapt = ap;
pp->ap_index = ap->ad_port_count - 1;
pp->ap_kern_hba = atoi(dp->d_name + sizeof("host") - 1);
/* pap points to the local port attributes structure */
pap = &pp->ap_attr;
/* Construct the host directory name from the input name */
snprintf(host_dir, sizeof(host_dir),
SYSFS_HOST_DIR "/%s", dp->d_name);
rc = sa_sys_read_line(host_dir, "symbolic_name", buf, sizeof(buf));
/* Get PortSymbolicName */
sa_strncpy_safe(pap->PortSymbolicName, sizeof(pap->PortSymbolicName),
buf, sizeof(buf));
/* Skip the HBA if it isn't OpenFC */
cp = strstr(pap->PortSymbolicName, " over ");
if (!cp)
goto skip;
/*
* See if <host_dir>/device is a PCI symlink.
* If not, try it as a net device.
*/
snprintf(dev_dir, sizeof(dev_dir), "%s/device", host_dir);
i = readlink(dev_dir, buf, sizeof(buf) - 1);
if (i < 0)
i = 0;
buf[i] = '\0';
if (strstr(buf, "devices/pci") && !strstr(buf, "/net/")) {
snprintf(hba_dir, sizeof(hba_dir), "%s/device/..", host_dir);
} else {
/* assume a net device */
cp += 6;
sa_strncpy_safe(ifname, sizeof(ifname), cp, strlen(cp));
snprintf(hba_dir, sizeof(hba_dir),
SYSFS_HBA_DIR "/%s", ifname);
/*
* Try as VLAN device or other virtual net device.
* If this is the case, ifindex and iflink will be different.
* iflink is the ifindex of the physical device.
*/
rc = sa_sys_read_u32(hba_dir, "ifindex", &ifindex);
if (rc < 0)
goto skip;
rc = sa_sys_read_u32(hba_dir, "iflink", &iflink);
if (rc < 0)
goto skip;
if (ifindex != iflink) {
rc = find_phys_if(hba_dir, buf, sizeof(buf));
if (rc)
goto skip;
strncpy(ifname, buf, sizeof(ifname));
}
snprintf(hba_dir, sizeof(hba_dir),
SYSFS_HBA_DIR "/%s/device", ifname);
i = readlink(hba_dir, buf, sizeof(buf) - 1);
if (i < 0)
goto skip;
buf[i] = '\0';
}
/*
* Assume a PCI symlink value is in buf.
* Back up to the last path component that looks like a PCI element.
* A sample link value is like:
* ../../devices/pci*.../0000:03:00.0
*/
rc = 0;
do {
cp = strrchr(buf, '/');
if (!cp)
break;
rc = sscanf(cp + 1, "%x:%x:%x.%x",
&hba_info.domain, &hba_info.bus,
&hba_info.dev, &hba_info.func);
if (rc == 4)
break;
*cp = '\0';
} while (cp && cp > buf);
if (rc != 4)
goto skip;
/*
* Save the host directory and the hba directory
* in local port structure
*/
sa_strncpy_safe(pp->host_dir, sizeof(pp->host_dir),
host_dir, sizeof(host_dir));
/* Get NodeWWN */
rc = sys_read_wwn(pp->host_dir, "node_name", &wwnn);
memcpy(&pap->NodeWWN, &wwnn, sizeof(wwnn));
/* Get PortWWN */
rc = sys_read_wwn(pp->host_dir, "port_name", &pap->PortWWN);
/* Get PortFcId */
rc = sa_sys_read_u32(pp->host_dir, "port_id", &pap->PortFcId);
/* Get PortType */
rc = sa_sys_read_line(pp->host_dir, "port_type", buf, sizeof(buf));
rc = sa_enum_encode(port_types_table, buf, &pap->PortType);
/* Get PortState */
rc = sa_sys_read_line(pp->host_dir, "port_state", buf, sizeof(buf));
rc = sa_enum_encode(port_states_table, buf, &pap->PortState);
/* Get PortSpeed */
rc = sys_read_speed(pp->host_dir, "speed",
buf, sizeof(buf),
&pap->PortSpeed);
/* Get PortSupportedSpeed */
rc = sys_read_speed(pp->host_dir, "supported_speeds",
buf, sizeof(buf),
&pap->PortSupportedSpeed);
/* Get PortMaxFrameSize */
rc = sa_sys_read_line(pp->host_dir, "maxframe_size", buf, sizeof(buf));
sscanf(buf, "%d", &pap->PortMaxFrameSize);
/* Get PortSupportedFc4Types */
rc = sa_sys_read_line(pp->host_dir, "supported_fc4s", buf, sizeof(buf));
sscanf(buf, "0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x "
"0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x "
"0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x "
"0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x",
&data[0], &data[1], &data[2], &data[3], &data[4], &data[5],
&data[6], &data[7], &data[8], &data[9], &data[10], &data[11],
&data[12], &data[13], &data[14], &data[15], &data[16],
&data[17], &data[18], &data[19], &data[20], &data[21],
&data[22], &data[23], &data[24], &data[25], &data[26],
&data[27], &data[28], &data[29], &data[30], &data[31]);
for (i = 0; i < 32; i++)
pap->PortSupportedFc4Types.bits[i] = data[i];
/* Get PortActiveFc4Types */
rc = sa_sys_read_line(pp->host_dir, "active_fc4s", buf, sizeof(buf));
sscanf(buf, "0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x "
"0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x "
"0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x "
"0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x",
&data[0], &data[1], &data[2], &data[3], &data[4], &data[5],
&data[6], &data[7], &data[8], &data[9], &data[10], &data[11],
&data[12], &data[13], &data[14], &data[15], &data[16],
&data[17], &data[18], &data[19], &data[20], &data[21],
&data[22], &data[23], &data[24], &data[25], &data[26],
&data[27], &data[28], &data[29], &data[30], &data[31]);
for (i = 0; i < 32; i++)
pap->PortActiveFc4Types.bits[i] = data[i];
/* Get FabricName */
rc = sys_read_wwn(pp->host_dir, "fabric_name", &pap->FabricName);
/* Get PortSupportedClassofService */
rc = sa_sys_read_line(pp->host_dir, "supported_classes",
buf, sizeof(buf));
cp = strstr(buf, "Class");
if (cp)
pap->PortSupportedClassofService = *(cp + 6) - '0';
/* Get OSDeviceName */
sa_strncpy_safe(pap->OSDeviceName, sizeof(pap->OSDeviceName),
dp->d_name, sizeof(dp->d_name));
/* Get NumberofDiscoveredPorts */
snprintf(buf, sizeof(buf), "%s/device", pp->host_dir);
sa_dir_read(buf, counting_rports, &pap->NumberofDiscoveredPorts);
/*
* Add the local port structure into local port table within
* the HBA structure.
*/
if (sa_table_insert(&ap->ad_ports, pp->ap_index, pp) < 0) {
fprintf(stderr,
"%s: insert of HBA %d port %d failed\n",
__func__, ap->ad_kern_index, pp->ap_index);
goto skip;
}
/* Create adapter name */
snprintf(buf, sizeof(buf), "fcoe:%s", ifname);
ap->ad_name = strdup(buf);
/* Get vendor_id */
rc = sa_sys_read_u32(hba_dir, "vendor", &hba_info.vendor_id);
/* Get device_id */
rc = sa_sys_read_u32(hba_dir, "device", &hba_info.device_id);
/* Get subsystem_vendor_id */
rc = sa_sys_read_u32(hba_dir, "subsystem_vendor",
&hba_info.subsystem_vendor_id);
/* Get subsystem_device_id */
rc = sa_sys_read_u32(hba_dir, "subsystem_device",
&hba_info.subsystem_device_id);
/* Get device_class */
rc = sa_sys_read_u32(hba_dir, "class", &hba_info.device_class);
hba_info.device_class = hba_info.device_class>>8;
/*
* Get Hardware Information via PCI Library
*/
(void) find_pci_device(&hba_info);
/* Get Number of Ports */
atp->NumberOfPorts = hba_info.NumberOfPorts;
/* Get Manufacturer */
sa_strncpy_safe(atp->Manufacturer, sizeof(atp->Manufacturer),
hba_info.Manufacturer, sizeof(hba_info.Manufacturer));
/* Get SerialNumber */
sa_strncpy_safe(atp->SerialNumber, sizeof(atp->SerialNumber),
hba_info.SerialNumber, sizeof(hba_info.SerialNumber));
/* Get ModelDescription */
sa_strncpy_safe(atp->ModelDescription, sizeof(atp->ModelDescription),
hba_info.ModelDescription,
sizeof(hba_info.ModelDescription));
if (!strncmp(hba_info.ModelDescription, "Unknown",
sizeof(hba_info.ModelDescription))) {
snprintf(atp->ModelDescription, sizeof(atp->ModelDescription),
"[%04x:%04x]-[%04x:%04x]-(%04x)",
hba_info.vendor_id, hba_info.device_id,
hba_info.subsystem_vendor_id,
hba_info.subsystem_device_id,
hba_info.device_class);
/*
* Get Model
*
* If the device is a newly developed product, and
* the model description is not in pci.ids yet, use
* the model description constructed above as the
* model string.
*/
sa_strncpy_safe(atp->Model, sizeof(atp->Model),
atp->ModelDescription,
sizeof(atp->ModelDescription));
}
/*
* Get Model
*
* If the device name has already been added into
* the pci.ids file, use the first word of the model
* description as the model. If the space after the
* first word is not found (new product), use the
* model description as the model.
*/
sa_strncpy_safe(buf, sizeof(buf), atp->ModelDescription,
sizeof(atp->ModelDescription));
if (strtok_r(buf, " ", &saveptr))
sa_strncpy_safe(atp->Model, sizeof(atp->Model),
buf, strnlen(buf, sizeof(buf)));
else
sa_strncpy_safe(atp->Model, sizeof(atp->Model),
atp->ModelDescription,
sizeof(atp->ModelDescription));
/* Get HardwareVersion */
sa_strncpy_safe(atp->HardwareVersion, sizeof(atp->HardwareVersion),
hba_info.HardwareVersion,
sizeof(hba_info.HardwareVersion));
/* Get OptionROMVersion (TODO) */
sa_strncpy_safe(atp->OptionROMVersion, sizeof(atp->OptionROMVersion),
HBA_ROM_VERSION, sizeof(HBA_ROM_VERSION));
/* Get FirmwareVersion (TODO) */
sa_strncpy_safe(atp->FirmwareVersion, sizeof(atp->FirmwareVersion),
HBA_FW_VERSION, sizeof(HBA_FW_VERSION));
/* Get VendorSpecificID (TODO) */
atp->VendorSpecificID = HBA_VENDOR_SPECIFIC_ID;
/* Get DriverVersion */
rc = sa_sys_read_line(hba_dir, SYSFS_MODULE_VER,
atp->DriverVersion, sizeof(atp->DriverVersion));
/* Get NodeSymbolicName */
sa_strncpy_safe(atp->NodeSymbolicName, sizeof(atp->NodeSymbolicName),
ap->ad_name, sizeof(atp->NodeSymbolicName));
/* Get NodeWWN - The NodeWWN is the same as
* the NodeWWN of the local port.
*/
memcpy((char *)&atp->NodeWWN, (char *)&pap->NodeWWN,
sizeof(pap->NodeWWN));
/* Get DriverName */
snprintf(drv_dir, sizeof(drv_dir), "%s" SYSFS_MODULE , hba_dir);
i = readlink(drv_dir, buf, sizeof(buf));
if (i < 0)
i = 0;
buf[i] = '\0';
if (!strstr(buf, "module")) {
/*
* Does not find "module" in the string.
* This should not happen. In this case, set
* the driver name to "Unknown".
*/
driverName = "Unknown";
} else
driverName = strstr(buf, "module") + 7;
sa_strncpy_safe(atp->DriverName, sizeof(atp->DriverName),
driverName, sizeof(atp->DriverName));
/*
* Give HBA to library
*/
rc = adapter_create(ap);
if (rc != HBA_STATUS_OK) {
fprintf(stderr, "%s: adapter_create failed, status=%d\n",
__func__, rc);
adapter_destroy(ap); /* free adapter and ports */
}
return 0;
skip:
free(pp);
free(ap);
return 0;
}
void
copy_wwn(HBA_WWN *dest, fc_wwn_t src)
{
dest->wwn[0] = (u_char) (src >> 56);
dest->wwn[1] = (u_char) (src >> 48);
dest->wwn[2] = (u_char) (src >> 40);
dest->wwn[3] = (u_char) (src >> 32);
dest->wwn[4] = (u_char) (src >> 24);
dest->wwn[5] = (u_char) (src >> 16);
dest->wwn[6] = (u_char) (src >> 8);
dest->wwn[7] = (u_char) src;
}
/* Test for a non-zero WWN */
int
is_wwn_nonzero(HBA_WWN *wwn)
{
return (wwn->wwn[0] | wwn->wwn[1] | wwn->wwn[2] | wwn->wwn[3] |
wwn->wwn[4] | wwn->wwn[5] | wwn->wwn[6] | wwn->wwn[7]) != 0;
}
int
sys_read_wwn(const char *dir, const char *file, HBA_WWN *wwn)
{
int rc;
u_int64_t val;
rc = sa_sys_read_u64(dir, file, &val);
if (rc == 0)
copy_wwn(wwn, val);
return rc;
}
/* Port Statistics */
HBA_STATUS
sysfs_get_port_stats(char *dir, HBA_PORTSTATISTICS *sp)
{
int rc;
rc = sa_sys_read_u64(dir, "seconds_since_last_reset",
(u_int64_t *)&sp->SecondsSinceLastReset);
rc |= sa_sys_read_u64(dir, "tx_frames", (u_int64_t *)&sp->TxFrames);
rc |= sa_sys_read_u64(dir, "tx_words", (u_int64_t *)&sp->TxWords);
rc |= sa_sys_read_u64(dir, "rx_frames", (u_int64_t *)&sp->RxFrames);
rc |= sa_sys_read_u64(dir, "rx_words", (u_int64_t *)&sp->RxWords);
rc |= sa_sys_read_u64(dir, "lip_count", (u_int64_t *)&sp->LIPCount);
rc |= sa_sys_read_u64(dir, "nos_count", (u_int64_t *)&sp->NOSCount);
rc |= sa_sys_read_u64(dir, "error_frames",
(u_int64_t *)&sp->ErrorFrames);
rc |= sa_sys_read_u64(dir, "dumped_frames",
(u_int64_t *)&sp->DumpedFrames);
rc |= sa_sys_read_u64(dir, "link_failure_count",
(u_int64_t *)&sp->LinkFailureCount);
rc |= sa_sys_read_u64(dir, "loss_of_sync_count",
(u_int64_t *)&sp->LossOfSyncCount);
rc |= sa_sys_read_u64(dir, "loss_of_signal_count",
(u_int64_t *)&sp->LossOfSignalCount);
rc |= sa_sys_read_u64(dir, "prim_seq_protocol_err_count",
(u_int64_t *)&sp->PrimitiveSeqProtocolErrCount);
rc |= sa_sys_read_u64(dir, "invalid_tx_word_count",
(u_int64_t *)&sp->InvalidTxWordCount);
rc |= sa_sys_read_u64(dir, "invalid_crc_count",
(u_int64_t *)&sp->InvalidCRCCount);
return rc;
}
/* Port FC-4 Statistics */
HBA_STATUS
sysfs_get_port_fc4stats(char *dir, HBA_FC4STATISTICS *fc4sp)
{
int rc;
rc = sa_sys_read_u64(dir, "fcp_input_requests",
(u_int64_t *)&fc4sp->InputRequests);
rc |= sa_sys_read_u64(dir, "fcp_output_requests",
(u_int64_t *)&fc4sp->OutputRequests);
rc |= sa_sys_read_u64(dir, "fcp_control_requests",
(u_int64_t *)&fc4sp->ControlRequests);
rc |= sa_sys_read_u64(dir, "fcp_input_megabytes",
(u_int64_t *)&fc4sp->InputMegabytes);
rc |= sa_sys_read_u64(dir, "fcp_output_megabytes",
(u_int64_t *)&fc4sp->OutputMegabytes);
return rc;
}
/*
* Open device and read adapter info if available.
*/
void
adapter_init(void)
{
sa_dir_read(SYSFS_HOST_DIR, sysfs_scan, NULL);
}
void
adapter_shutdown(void)
{
}
HBA_STATUS
get_port_statistics(HBA_HANDLE handle, HBA_UINT32 port, HBA_PORTSTATISTICS *sp)
{
struct port_info *pp;
char dir[80];
int rc;
memset(sp, 0xff, sizeof(*sp)); /* unsupported statistics give -1 */
pp = adapter_get_port(handle, port);
if (pp == NULL) {
fprintf(stderr, "%s: lookup failed. handle 0x%x port 0x%x\n",
__func__, handle, port);
return HBA_STATUS_ERROR;
}
snprintf(dir, sizeof(dir), "%s/statistics", pp->host_dir);
rc = sysfs_get_port_stats(dir, sp);
if (rc != 0) {
fprintf(stderr, "%s: sysfs_get_port_stats() failed,"
" hba index=%d port index=%d, -rc=0x%x\n",
__func__, pp->ap_adapt->ad_kern_index,
pp->ap_index, -rc);
return HBA_STATUS_ERROR;
}
return HBA_STATUS_OK;
}
/*
* Get FC4 statistics.
*/
HBA_STATUS
get_port_fc4_statistics(HBA_HANDLE handle, HBA_WWN wwn,
HBA_UINT8 fc4_type, HBA_FC4STATISTICS *sp)
{
struct port_info *pp;
char dir[80];
int count;
int rc;
memset(sp, 0xff, sizeof(*sp)); /* unsupported statistics give -1 */
pp = adapter_get_port_by_wwn(handle, wwn, &count);
if (count > 1)
return HBA_STATUS_ERROR_AMBIGUOUS_WWN;
else if (pp == NULL)
return HBA_STATUS_ERROR_ILLEGAL_WWN;
snprintf(dir, sizeof(dir), "%s/statistics", pp->host_dir);
rc = sysfs_get_port_fc4stats(dir, sp);
if (rc != 0) {
fprintf(stderr, "%s: sysfs_get_port_fc4stats() failed,"
" hba index=%d port index=%d, -rc=0x%x\n",
__func__, pp->ap_adapt->ad_kern_index,
pp->ap_index, -rc);
return HBA_STATUS_ERROR;
}
return HBA_STATUS_OK;
}