Commit a1d8d8a5 authored by Sudarsana Reddy Kalluru's avatar Sudarsana Reddy Kalluru Committed by David S. Miller

qed: Add dcbnl support.

This patch adds the implementation for both cee/ieee dcbnl callbacks by
using the qed query/config APIs.
Signed-off-by: default avatarSudarsana Reddy Kalluru <sudarsana.kalluru@qlogic.com>
Signed-off-by: default avatarYuval Mintz <Yuval.Mintz@qlogic.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 6ad8c632
...@@ -9,6 +9,7 @@ ...@@ -9,6 +9,7 @@
#include <linux/types.h> #include <linux/types.h>
#include <asm/byteorder.h> #include <asm/byteorder.h>
#include <linux/bitops.h> #include <linux/bitops.h>
#include <linux/dcbnl.h>
#include <linux/errno.h> #include <linux/errno.h>
#include <linux/kernel.h> #include <linux/kernel.h>
#include <linux/slab.h> #include <linux/slab.h>
...@@ -18,6 +19,9 @@ ...@@ -18,6 +19,9 @@
#include "qed_dcbx.h" #include "qed_dcbx.h"
#include "qed_hsi.h" #include "qed_hsi.h"
#include "qed_sp.h" #include "qed_sp.h"
#ifdef CONFIG_DCB
#include <linux/qed/qed_eth_if.h>
#endif
#define QED_DCBX_MAX_MIB_READ_TRY (100) #define QED_DCBX_MAX_MIB_READ_TRY (100)
#define QED_ETH_TYPE_DEFAULT (0) #define QED_ETH_TYPE_DEFAULT (0)
...@@ -1091,4 +1095,1090 @@ int qed_dcbx_get_config_params(struct qed_hwfn *p_hwfn, ...@@ -1091,4 +1095,1090 @@ int qed_dcbx_get_config_params(struct qed_hwfn *p_hwfn,
return 0; return 0;
} }
static struct qed_dcbx_get *qed_dcbnl_get_dcbx(struct qed_hwfn *hwfn,
enum qed_mib_read_type type)
{
struct qed_dcbx_get *dcbx_info;
dcbx_info = kmalloc(sizeof(*dcbx_info), GFP_KERNEL);
if (!dcbx_info) {
DP_ERR(hwfn->cdev, "Failed to allocate memory for dcbx_info\n");
return NULL;
}
if (qed_dcbx_query_params(hwfn, dcbx_info, type)) {
kfree(dcbx_info);
return NULL;
}
if ((type == QED_DCBX_OPERATIONAL_MIB) &&
!dcbx_info->operational.enabled) {
DP_INFO(hwfn, "DCBX is not enabled/operational\n");
kfree(dcbx_info);
return NULL;
}
return dcbx_info;
}
static u8 qed_dcbnl_getstate(struct qed_dev *cdev)
{
struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
struct qed_dcbx_get *dcbx_info;
bool enabled;
dcbx_info = qed_dcbnl_get_dcbx(hwfn, QED_DCBX_OPERATIONAL_MIB);
if (!dcbx_info)
return 0;
enabled = dcbx_info->operational.enabled;
DP_VERBOSE(hwfn, QED_MSG_DCB, "DCB state = %d\n", enabled);
kfree(dcbx_info);
return enabled;
}
static u8 qed_dcbnl_setstate(struct qed_dev *cdev, u8 state)
{
struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
struct qed_dcbx_set dcbx_set;
struct qed_ptt *ptt;
int rc;
DP_VERBOSE(hwfn, QED_MSG_DCB, "DCB state = %d\n", state);
memset(&dcbx_set, 0, sizeof(dcbx_set));
rc = qed_dcbx_get_config_params(hwfn, &dcbx_set);
if (rc)
return 1;
dcbx_set.enabled = !!state;
ptt = qed_ptt_acquire(hwfn);
if (!ptt)
return 1;
rc = qed_dcbx_config_params(hwfn, ptt, &dcbx_set, 0);
qed_ptt_release(hwfn, ptt);
return rc ? 1 : 0;
}
static void qed_dcbnl_getpgtccfgtx(struct qed_dev *cdev, int tc, u8 *prio_type,
u8 *pgid, u8 *bw_pct, u8 *up_map)
{
struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
struct qed_dcbx_get *dcbx_info;
DP_VERBOSE(hwfn, QED_MSG_DCB, "tc = %d\n", tc);
*prio_type = *pgid = *bw_pct = *up_map = 0;
if (tc < 0 || tc >= QED_MAX_PFC_PRIORITIES) {
DP_INFO(hwfn, "Invalid tc %d\n", tc);
return;
}
dcbx_info = qed_dcbnl_get_dcbx(hwfn, QED_DCBX_OPERATIONAL_MIB);
if (!dcbx_info)
return;
*pgid = dcbx_info->operational.params.ets_pri_tc_tbl[tc];
kfree(dcbx_info);
}
static void qed_dcbnl_getpgbwgcfgtx(struct qed_dev *cdev, int pgid, u8 *bw_pct)
{
struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
struct qed_dcbx_get *dcbx_info;
*bw_pct = 0;
DP_VERBOSE(hwfn, QED_MSG_DCB, "pgid = %d\n", pgid);
if (pgid < 0 || pgid >= QED_MAX_PFC_PRIORITIES) {
DP_INFO(hwfn, "Invalid pgid %d\n", pgid);
return;
}
dcbx_info = qed_dcbnl_get_dcbx(hwfn, QED_DCBX_OPERATIONAL_MIB);
if (!dcbx_info)
return;
*bw_pct = dcbx_info->operational.params.ets_tc_bw_tbl[pgid];
DP_VERBOSE(hwfn, QED_MSG_DCB, "bw_pct = %d\n", *bw_pct);
kfree(dcbx_info);
}
static void qed_dcbnl_getpgtccfgrx(struct qed_dev *cdev, int tc, u8 *prio,
u8 *bwg_id, u8 *bw_pct, u8 *up_map)
{
DP_INFO(QED_LEADING_HWFN(cdev), "Rx ETS is not supported\n");
*prio = *bwg_id = *bw_pct = *up_map = 0;
}
static void qed_dcbnl_getpgbwgcfgrx(struct qed_dev *cdev,
int bwg_id, u8 *bw_pct)
{
DP_INFO(QED_LEADING_HWFN(cdev), "Rx ETS is not supported\n");
*bw_pct = 0;
}
static void qed_dcbnl_getpfccfg(struct qed_dev *cdev,
int priority, u8 *setting)
{
struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
struct qed_dcbx_get *dcbx_info;
DP_VERBOSE(hwfn, QED_MSG_DCB, "priority = %d\n", priority);
if (priority < 0 || priority >= QED_MAX_PFC_PRIORITIES) {
DP_INFO(hwfn, "Invalid priority %d\n", priority);
return;
}
dcbx_info = qed_dcbnl_get_dcbx(hwfn, QED_DCBX_OPERATIONAL_MIB);
if (!dcbx_info)
return;
*setting = dcbx_info->operational.params.pfc.prio[priority];
DP_VERBOSE(hwfn, QED_MSG_DCB, "setting = %d\n", *setting);
kfree(dcbx_info);
}
static void qed_dcbnl_setpfccfg(struct qed_dev *cdev, int priority, u8 setting)
{
struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
struct qed_dcbx_set dcbx_set;
struct qed_ptt *ptt;
int rc;
DP_VERBOSE(hwfn, QED_MSG_DCB, "priority = %d setting = %d\n",
priority, setting);
if (priority < 0 || priority >= QED_MAX_PFC_PRIORITIES) {
DP_INFO(hwfn, "Invalid priority %d\n", priority);
return;
}
memset(&dcbx_set, 0, sizeof(dcbx_set));
rc = qed_dcbx_get_config_params(hwfn, &dcbx_set);
if (rc)
return;
dcbx_set.override_flags |= QED_DCBX_OVERRIDE_PFC_CFG;
dcbx_set.config.params.pfc.prio[priority] = !!setting;
ptt = qed_ptt_acquire(hwfn);
if (!ptt)
return;
rc = qed_dcbx_config_params(hwfn, ptt, &dcbx_set, 0);
qed_ptt_release(hwfn, ptt);
}
static u8 qed_dcbnl_getcap(struct qed_dev *cdev, int capid, u8 *cap)
{
struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
struct qed_dcbx_get *dcbx_info;
int rc = 0;
DP_VERBOSE(hwfn, QED_MSG_DCB, "capid = %d\n", capid);
dcbx_info = qed_dcbnl_get_dcbx(hwfn, QED_DCBX_OPERATIONAL_MIB);
if (!dcbx_info)
return 1;
switch (capid) {
case DCB_CAP_ATTR_PG:
case DCB_CAP_ATTR_PFC:
case DCB_CAP_ATTR_UP2TC:
case DCB_CAP_ATTR_GSP:
*cap = true;
break;
case DCB_CAP_ATTR_PG_TCS:
case DCB_CAP_ATTR_PFC_TCS:
*cap = 0x80;
break;
case DCB_CAP_ATTR_DCBX:
*cap = (DCB_CAP_DCBX_LLD_MANAGED | DCB_CAP_DCBX_VER_CEE |
DCB_CAP_DCBX_VER_IEEE);
break;
default:
*cap = false;
rc = 1;
}
DP_VERBOSE(hwfn, QED_MSG_DCB, "id = %d caps = %d\n", capid, *cap);
kfree(dcbx_info);
return rc;
}
static int qed_dcbnl_getnumtcs(struct qed_dev *cdev, int tcid, u8 *num)
{
struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
struct qed_dcbx_get *dcbx_info;
int rc = 0;
DP_VERBOSE(hwfn, QED_MSG_DCB, "tcid = %d\n", tcid);
dcbx_info = qed_dcbnl_get_dcbx(hwfn, QED_DCBX_OPERATIONAL_MIB);
if (!dcbx_info)
return -EINVAL;
switch (tcid) {
case DCB_NUMTCS_ATTR_PG:
*num = dcbx_info->operational.params.max_ets_tc;
break;
case DCB_NUMTCS_ATTR_PFC:
*num = dcbx_info->operational.params.pfc.max_tc;
break;
default:
rc = -EINVAL;
}
kfree(dcbx_info);
DP_VERBOSE(hwfn, QED_MSG_DCB, "numtcs = %d\n", *num);
return rc;
}
static u8 qed_dcbnl_getpfcstate(struct qed_dev *cdev)
{
struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
struct qed_dcbx_get *dcbx_info;
bool enabled;
dcbx_info = qed_dcbnl_get_dcbx(hwfn, QED_DCBX_OPERATIONAL_MIB);
if (!dcbx_info)
return 0;
enabled = dcbx_info->operational.params.pfc.enabled;
DP_VERBOSE(hwfn, QED_MSG_DCB, "pfc state = %d\n", enabled);
kfree(dcbx_info);
return enabled;
}
static u8 qed_dcbnl_getdcbx(struct qed_dev *cdev)
{
struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
struct qed_dcbx_get *dcbx_info;
u8 mode = 0;
dcbx_info = qed_dcbnl_get_dcbx(hwfn, QED_DCBX_OPERATIONAL_MIB);
if (!dcbx_info)
return 0;
if (dcbx_info->operational.enabled)
mode |= DCB_CAP_DCBX_LLD_MANAGED;
if (dcbx_info->operational.ieee)
mode |= DCB_CAP_DCBX_VER_IEEE;
if (dcbx_info->operational.cee)
mode |= DCB_CAP_DCBX_VER_CEE;
DP_VERBOSE(hwfn, QED_MSG_DCB, "dcb mode = %d\n", mode);
kfree(dcbx_info);
return mode;
}
static void qed_dcbnl_setpgtccfgtx(struct qed_dev *cdev,
int tc,
u8 pri_type, u8 pgid, u8 bw_pct, u8 up_map)
{
struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
struct qed_dcbx_set dcbx_set;
struct qed_ptt *ptt;
int rc;
DP_VERBOSE(hwfn, QED_MSG_DCB,
"tc = %d pri_type = %d pgid = %d bw_pct = %d up_map = %d\n",
tc, pri_type, pgid, bw_pct, up_map);
if (tc < 0 || tc >= QED_MAX_PFC_PRIORITIES) {
DP_INFO(hwfn, "Invalid tc %d\n", tc);
return;
}
memset(&dcbx_set, 0, sizeof(dcbx_set));
rc = qed_dcbx_get_config_params(hwfn, &dcbx_set);
if (rc)
return;
dcbx_set.override_flags |= QED_DCBX_OVERRIDE_ETS_CFG;
dcbx_set.config.params.ets_pri_tc_tbl[tc] = pgid;
ptt = qed_ptt_acquire(hwfn);
if (!ptt)
return;
rc = qed_dcbx_config_params(hwfn, ptt, &dcbx_set, 0);
qed_ptt_release(hwfn, ptt);
}
static void qed_dcbnl_setpgtccfgrx(struct qed_dev *cdev, int prio,
u8 pri_type, u8 pgid, u8 bw_pct, u8 up_map)
{
DP_INFO(QED_LEADING_HWFN(cdev), "Rx ETS is not supported\n");
}
static void qed_dcbnl_setpgbwgcfgtx(struct qed_dev *cdev, int pgid, u8 bw_pct)
{
struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
struct qed_dcbx_set dcbx_set;
struct qed_ptt *ptt;
int rc;
DP_VERBOSE(hwfn, QED_MSG_DCB, "pgid = %d bw_pct = %d\n", pgid, bw_pct);
if (pgid < 0 || pgid >= QED_MAX_PFC_PRIORITIES) {
DP_INFO(hwfn, "Invalid pgid %d\n", pgid);
return;
}
memset(&dcbx_set, 0, sizeof(dcbx_set));
rc = qed_dcbx_get_config_params(hwfn, &dcbx_set);
if (rc)
return;
dcbx_set.override_flags |= QED_DCBX_OVERRIDE_ETS_CFG;
dcbx_set.config.params.ets_tc_bw_tbl[pgid] = bw_pct;
ptt = qed_ptt_acquire(hwfn);
if (!ptt)
return;
rc = qed_dcbx_config_params(hwfn, ptt, &dcbx_set, 0);
qed_ptt_release(hwfn, ptt);
}
static void qed_dcbnl_setpgbwgcfgrx(struct qed_dev *cdev, int pgid, u8 bw_pct)
{
DP_INFO(QED_LEADING_HWFN(cdev), "Rx ETS is not supported\n");
}
static u8 qed_dcbnl_setall(struct qed_dev *cdev)
{
struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
struct qed_dcbx_set dcbx_set;
struct qed_ptt *ptt;
int rc;
memset(&dcbx_set, 0, sizeof(dcbx_set));
rc = qed_dcbx_get_config_params(hwfn, &dcbx_set);
if (rc)
return 1;
ptt = qed_ptt_acquire(hwfn);
if (!ptt)
return 1;
rc = qed_dcbx_config_params(hwfn, ptt, &dcbx_set, 1);
qed_ptt_release(hwfn, ptt);
return rc;
}
static int qed_dcbnl_setnumtcs(struct qed_dev *cdev, int tcid, u8 num)
{
struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
struct qed_dcbx_set dcbx_set;
struct qed_ptt *ptt;
int rc;
DP_VERBOSE(hwfn, QED_MSG_DCB, "tcid = %d num = %d\n", tcid, num);
memset(&dcbx_set, 0, sizeof(dcbx_set));
rc = qed_dcbx_get_config_params(hwfn, &dcbx_set);
if (rc)
return 1;
switch (tcid) {
case DCB_NUMTCS_ATTR_PG:
dcbx_set.override_flags |= QED_DCBX_OVERRIDE_ETS_CFG;
dcbx_set.config.params.max_ets_tc = num;
break;
case DCB_NUMTCS_ATTR_PFC:
dcbx_set.override_flags |= QED_DCBX_OVERRIDE_PFC_CFG;
dcbx_set.config.params.pfc.max_tc = num;
break;
default:
DP_INFO(hwfn, "Invalid tcid %d\n", tcid);
return -EINVAL;
}
ptt = qed_ptt_acquire(hwfn);
if (!ptt)
return -EINVAL;
rc = qed_dcbx_config_params(hwfn, ptt, &dcbx_set, 0);
qed_ptt_release(hwfn, ptt);
return 0;
}
static void qed_dcbnl_setpfcstate(struct qed_dev *cdev, u8 state)
{
struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
struct qed_dcbx_set dcbx_set;
struct qed_ptt *ptt;
int rc;
DP_VERBOSE(hwfn, QED_MSG_DCB, "new state = %d\n", state);
memset(&dcbx_set, 0, sizeof(dcbx_set));
rc = qed_dcbx_get_config_params(hwfn, &dcbx_set);
if (rc)
return;
dcbx_set.override_flags |= QED_DCBX_OVERRIDE_PFC_CFG;
dcbx_set.config.params.pfc.enabled = !!state;
ptt = qed_ptt_acquire(hwfn);
if (!ptt)
return;
rc = qed_dcbx_config_params(hwfn, ptt, &dcbx_set, 0);
qed_ptt_release(hwfn, ptt);
}
static int qed_dcbnl_getapp(struct qed_dev *cdev, u8 idtype, u16 idval)
{
struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
struct qed_dcbx_get *dcbx_info;
struct qed_app_entry *entry;
bool ethtype;
u8 prio = 0;
int i;
dcbx_info = qed_dcbnl_get_dcbx(hwfn, QED_DCBX_OPERATIONAL_MIB);
if (!dcbx_info)
return -EINVAL;
ethtype = !!(idtype == DCB_APP_IDTYPE_ETHTYPE);
for (i = 0; i < QED_DCBX_MAX_APP_PROTOCOL; i++) {
entry = &dcbx_info->operational.params.app_entry[i];
if ((entry->ethtype == ethtype) && (entry->proto_id == idval)) {
prio = entry->prio;
break;
}
}
if (i == QED_DCBX_MAX_APP_PROTOCOL) {
DP_ERR(cdev, "App entry (%d, %d) not found\n", idtype, idval);
kfree(dcbx_info);
return -EINVAL;
}
kfree(dcbx_info);
return prio;
}
static int qed_dcbnl_setapp(struct qed_dev *cdev,
u8 idtype, u16 idval, u8 pri_map)
{
struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
struct qed_dcbx_set dcbx_set;
struct qed_app_entry *entry;
struct qed_ptt *ptt;
bool ethtype;
int rc, i;
memset(&dcbx_set, 0, sizeof(dcbx_set));
rc = qed_dcbx_get_config_params(hwfn, &dcbx_set);
if (rc)
return -EINVAL;
ethtype = !!(idtype == DCB_APP_IDTYPE_ETHTYPE);
for (i = 0; i < QED_DCBX_MAX_APP_PROTOCOL; i++) {
entry = &dcbx_set.config.params.app_entry[i];
if ((entry->ethtype == ethtype) && (entry->proto_id == idval))
break;
/* First empty slot */
if (!entry->proto_id)
break;
}
if (i == QED_DCBX_MAX_APP_PROTOCOL) {
DP_ERR(cdev, "App table is full\n");
return -EBUSY;
}
dcbx_set.override_flags |= QED_DCBX_OVERRIDE_APP_CFG;
dcbx_set.config.params.app_entry[i].ethtype = ethtype;
dcbx_set.config.params.app_entry[i].proto_id = idval;
dcbx_set.config.params.app_entry[i].prio = pri_map;
ptt = qed_ptt_acquire(hwfn);
if (!ptt)
return -EBUSY;
rc = qed_dcbx_config_params(hwfn, ptt, &dcbx_set, 0);
qed_ptt_release(hwfn, ptt);
return rc;
}
static u8 qed_dcbnl_setdcbx(struct qed_dev *cdev, u8 mode)
{
struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
struct qed_dcbx_set dcbx_set;
struct qed_ptt *ptt;
int rc;
DP_VERBOSE(hwfn, QED_MSG_DCB, "new mode = %x\n", mode);
if (!(mode & DCB_CAP_DCBX_VER_IEEE) && !(mode & DCB_CAP_DCBX_VER_CEE)) {
DP_INFO(hwfn, "Allowed mode is cee, ieee or both\n");
return 1;
}
memset(&dcbx_set, 0, sizeof(dcbx_set));
rc = qed_dcbx_get_config_params(hwfn, &dcbx_set);
if (rc)
return 1;
dcbx_set.ver_num = 0;
if (mode & DCB_CAP_DCBX_VER_CEE) {
dcbx_set.ver_num |= DCBX_CONFIG_VERSION_CEE;
dcbx_set.enabled = true;
}
if (mode & DCB_CAP_DCBX_VER_IEEE) {
dcbx_set.ver_num |= DCBX_CONFIG_VERSION_IEEE;
dcbx_set.enabled = true;
}
ptt = qed_ptt_acquire(hwfn);
if (!ptt)
return 1;
rc = qed_dcbx_config_params(hwfn, ptt, &dcbx_set, 0);
qed_ptt_release(hwfn, ptt);
return 0;
}
static u8 qed_dcbnl_getfeatcfg(struct qed_dev *cdev, int featid, u8 *flags)
{
struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
struct qed_dcbx_get *dcbx_info;
DP_VERBOSE(hwfn, QED_MSG_DCB, "Feature id = %d\n", featid);
dcbx_info = qed_dcbnl_get_dcbx(hwfn, QED_DCBX_OPERATIONAL_MIB);
if (!dcbx_info)
return 1;
*flags = 0;
switch (featid) {
case DCB_FEATCFG_ATTR_PG:
if (dcbx_info->operational.params.ets_enabled)
*flags = DCB_FEATCFG_ENABLE;
else
*flags = DCB_FEATCFG_ERROR;
break;
case DCB_FEATCFG_ATTR_PFC:
if (dcbx_info->operational.params.pfc.enabled)
*flags = DCB_FEATCFG_ENABLE;
else
*flags = DCB_FEATCFG_ERROR;
break;
case DCB_FEATCFG_ATTR_APP:
if (dcbx_info->operational.params.app_valid)
*flags = DCB_FEATCFG_ENABLE;
else
*flags = DCB_FEATCFG_ERROR;
break;
default:
DP_INFO(hwfn, "Invalid feature-ID %d\n", featid);
kfree(dcbx_info);
return 1;
}
DP_VERBOSE(hwfn, QED_MSG_DCB, "flags = %d\n", *flags);
kfree(dcbx_info);
return 0;
}
static u8 qed_dcbnl_setfeatcfg(struct qed_dev *cdev, int featid, u8 flags)
{
struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
struct qed_dcbx_set dcbx_set;
bool enabled, willing;
struct qed_ptt *ptt;
int rc;
DP_VERBOSE(hwfn, QED_MSG_DCB, "featid = %d flags = %d\n",
featid, flags);
memset(&dcbx_set, 0, sizeof(dcbx_set));
rc = qed_dcbx_get_config_params(hwfn, &dcbx_set);
if (rc)
return 1;
enabled = !!(flags & DCB_FEATCFG_ENABLE);
willing = !!(flags & DCB_FEATCFG_WILLING);
switch (featid) {
case DCB_FEATCFG_ATTR_PG:
dcbx_set.override_flags |= QED_DCBX_OVERRIDE_ETS_CFG;
dcbx_set.config.params.ets_enabled = enabled;
dcbx_set.config.params.ets_willing = willing;
break;
case DCB_FEATCFG_ATTR_PFC:
dcbx_set.override_flags |= QED_DCBX_OVERRIDE_PFC_CFG;
dcbx_set.config.params.pfc.enabled = enabled;
dcbx_set.config.params.pfc.willing = willing;
break;
case DCB_FEATCFG_ATTR_APP:
dcbx_set.override_flags |= QED_DCBX_OVERRIDE_APP_CFG;
dcbx_set.config.params.app_willing = willing;
break;
default:
DP_INFO(hwfn, "Invalid feature-ID %d\n", featid);
return 1;
}
ptt = qed_ptt_acquire(hwfn);
if (!ptt)
return 1;
rc = qed_dcbx_config_params(hwfn, ptt, &dcbx_set, 0);
qed_ptt_release(hwfn, ptt);
return 0;
}
static int qed_dcbnl_peer_getappinfo(struct qed_dev *cdev,
struct dcb_peer_app_info *info,
u16 *app_count)
{
struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
struct qed_dcbx_get *dcbx_info;
dcbx_info = qed_dcbnl_get_dcbx(hwfn, QED_DCBX_REMOTE_MIB);
if (!dcbx_info)
return -EINVAL;
info->willing = dcbx_info->remote.params.app_willing;
info->error = dcbx_info->remote.params.app_error;
*app_count = dcbx_info->remote.params.num_app_entries;
kfree(dcbx_info);
return 0;
}
static int qed_dcbnl_peer_getapptable(struct qed_dev *cdev,
struct dcb_app *table)
{
struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
struct qed_dcbx_get *dcbx_info;
int i;
dcbx_info = qed_dcbnl_get_dcbx(hwfn, QED_DCBX_REMOTE_MIB);
if (!dcbx_info)
return -EINVAL;
for (i = 0; i < dcbx_info->remote.params.num_app_entries; i++) {
if (dcbx_info->remote.params.app_entry[i].ethtype)
table[i].selector = DCB_APP_IDTYPE_ETHTYPE;
else
table[i].selector = DCB_APP_IDTYPE_PORTNUM;
table[i].priority = dcbx_info->remote.params.app_entry[i].prio;
table[i].protocol =
dcbx_info->remote.params.app_entry[i].proto_id;
}
kfree(dcbx_info);
return 0;
}
static int qed_dcbnl_cee_peer_getpfc(struct qed_dev *cdev, struct cee_pfc *pfc)
{
struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
struct qed_dcbx_get *dcbx_info;
int i;
dcbx_info = qed_dcbnl_get_dcbx(hwfn, QED_DCBX_REMOTE_MIB);
if (!dcbx_info)
return -EINVAL;
for (i = 0; i < QED_MAX_PFC_PRIORITIES; i++)
if (dcbx_info->remote.params.pfc.prio[i])
pfc->pfc_en |= BIT(i);
pfc->tcs_supported = dcbx_info->remote.params.pfc.max_tc;
DP_VERBOSE(hwfn, QED_MSG_DCB, "pfc state = %d tcs_supported = %d\n",
pfc->pfc_en, pfc->tcs_supported);
kfree(dcbx_info);
return 0;
}
static int qed_dcbnl_cee_peer_getpg(struct qed_dev *cdev, struct cee_pg *pg)
{
struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
struct qed_dcbx_get *dcbx_info;
int i;
dcbx_info = qed_dcbnl_get_dcbx(hwfn, QED_DCBX_REMOTE_MIB);
if (!dcbx_info)
return -EINVAL;
pg->willing = dcbx_info->remote.params.ets_willing;
for (i = 0; i < QED_MAX_PFC_PRIORITIES; i++) {
pg->pg_bw[i] = dcbx_info->remote.params.ets_tc_bw_tbl[i];
pg->prio_pg[i] = dcbx_info->remote.params.ets_pri_tc_tbl[i];
}
DP_VERBOSE(hwfn, QED_MSG_DCB, "willing = %d", pg->willing);
kfree(dcbx_info);
return 0;
}
static int qed_dcbnl_get_ieee_pfc(struct qed_dev *cdev,
struct ieee_pfc *pfc, bool remote)
{
struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
struct qed_dcbx_params *params;
struct qed_dcbx_get *dcbx_info;
int rc, i;
dcbx_info = qed_dcbnl_get_dcbx(hwfn, QED_DCBX_OPERATIONAL_MIB);
if (!dcbx_info)
return -EINVAL;
if (!dcbx_info->operational.ieee) {
DP_INFO(hwfn, "DCBX is not enabled/operational in IEEE mode\n");
return -EINVAL;
}
if (remote) {
memset(dcbx_info, 0, sizeof(*dcbx_info));
rc = qed_dcbx_query_params(hwfn, dcbx_info,
QED_DCBX_REMOTE_MIB);
if (rc) {
kfree(dcbx_info);
return -EINVAL;
}
params = &dcbx_info->remote.params;
} else {
params = &dcbx_info->operational.params;
}
pfc->pfc_cap = params->pfc.max_tc;
pfc->pfc_en = 0;
for (i = 0; i < QED_MAX_PFC_PRIORITIES; i++)
if (params->pfc.prio[i])
pfc->pfc_en |= BIT(i);
kfree(dcbx_info);
return 0;
}
static int qed_dcbnl_ieee_getpfc(struct qed_dev *cdev, struct ieee_pfc *pfc)
{
return qed_dcbnl_get_ieee_pfc(cdev, pfc, false);
}
static int qed_dcbnl_ieee_setpfc(struct qed_dev *cdev, struct ieee_pfc *pfc)
{
struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
struct qed_dcbx_get *dcbx_info;
struct qed_dcbx_set dcbx_set;
struct qed_ptt *ptt;
int rc, i;
dcbx_info = qed_dcbnl_get_dcbx(hwfn, QED_DCBX_OPERATIONAL_MIB);
if (!dcbx_info)
return -EINVAL;
if (!dcbx_info->operational.ieee) {
DP_INFO(hwfn, "DCBX is not enabled/operational in IEEE mode\n");
kfree(dcbx_info);
return -EINVAL;
}
kfree(dcbx_info);
memset(&dcbx_set, 0, sizeof(dcbx_set));
rc = qed_dcbx_get_config_params(hwfn, &dcbx_set);
if (rc)
return -EINVAL;
dcbx_set.override_flags |= QED_DCBX_OVERRIDE_PFC_CFG;
for (i = 0; i < QED_MAX_PFC_PRIORITIES; i++)
dcbx_set.config.params.pfc.prio[i] = !!(pfc->pfc_en & BIT(i));
ptt = qed_ptt_acquire(hwfn);
if (!ptt)
return -EINVAL;
rc = qed_dcbx_config_params(hwfn, ptt, &dcbx_set, 0);
qed_ptt_release(hwfn, ptt);
return rc;
}
static int qed_dcbnl_get_ieee_ets(struct qed_dev *cdev,
struct ieee_ets *ets, bool remote)
{
struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
struct qed_dcbx_get *dcbx_info;
struct qed_dcbx_params *params;
int rc;
dcbx_info = qed_dcbnl_get_dcbx(hwfn, QED_DCBX_OPERATIONAL_MIB);
if (!dcbx_info)
return -EINVAL;
if (!dcbx_info->operational.ieee) {
DP_INFO(hwfn, "DCBX is not enabled/operational in IEEE mode\n");
kfree(dcbx_info);
return -EINVAL;
}
if (remote) {
memset(dcbx_info, 0, sizeof(*dcbx_info));
rc = qed_dcbx_query_params(hwfn, dcbx_info,
QED_DCBX_REMOTE_MIB);
if (rc) {
kfree(dcbx_info);
return -EINVAL;
}
params = &dcbx_info->remote.params;
} else {
params = &dcbx_info->operational.params;
}
ets->ets_cap = params->max_ets_tc;
ets->willing = params->ets_willing;
ets->cbs = params->ets_cbs;
memcpy(ets->tc_tx_bw, params->ets_tc_bw_tbl, sizeof(ets->tc_tx_bw));
memcpy(ets->tc_tsa, params->ets_tc_tsa_tbl, sizeof(ets->tc_tsa));
memcpy(ets->prio_tc, params->ets_pri_tc_tbl, sizeof(ets->prio_tc));
kfree(dcbx_info);
return 0;
}
static int qed_dcbnl_ieee_getets(struct qed_dev *cdev, struct ieee_ets *ets)
{
return qed_dcbnl_get_ieee_ets(cdev, ets, false);
}
static int qed_dcbnl_ieee_setets(struct qed_dev *cdev, struct ieee_ets *ets)
{
struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
struct qed_dcbx_get *dcbx_info;
struct qed_dcbx_set dcbx_set;
struct qed_ptt *ptt;
int rc;
dcbx_info = qed_dcbnl_get_dcbx(hwfn, QED_DCBX_OPERATIONAL_MIB);
if (!dcbx_info)
return -EINVAL;
if (!dcbx_info->operational.ieee) {
DP_INFO(hwfn, "DCBX is not enabled/operational in IEEE mode\n");
kfree(dcbx_info);
return -EINVAL;
}
kfree(dcbx_info);
memset(&dcbx_set, 0, sizeof(dcbx_set));
rc = qed_dcbx_get_config_params(hwfn, &dcbx_set);
if (rc)
return -EINVAL;
dcbx_set.override_flags |= QED_DCBX_OVERRIDE_ETS_CFG;
dcbx_set.config.params.max_ets_tc = ets->ets_cap;
dcbx_set.config.params.ets_willing = ets->willing;
dcbx_set.config.params.ets_cbs = ets->cbs;
memcpy(dcbx_set.config.params.ets_tc_bw_tbl, ets->tc_tx_bw,
sizeof(ets->tc_tx_bw));
memcpy(dcbx_set.config.params.ets_tc_tsa_tbl, ets->tc_tsa,
sizeof(ets->tc_tsa));
memcpy(dcbx_set.config.params.ets_pri_tc_tbl, ets->prio_tc,
sizeof(ets->prio_tc));
ptt = qed_ptt_acquire(hwfn);
if (!ptt)
return -EINVAL;
rc = qed_dcbx_config_params(hwfn, ptt, &dcbx_set, 0);
qed_ptt_release(hwfn, ptt);
return rc;
}
int qed_dcbnl_ieee_peer_getets(struct qed_dev *cdev, struct ieee_ets *ets)
{
return qed_dcbnl_get_ieee_ets(cdev, ets, true);
}
int qed_dcbnl_ieee_peer_getpfc(struct qed_dev *cdev, struct ieee_pfc *pfc)
{
return qed_dcbnl_get_ieee_pfc(cdev, pfc, true);
}
int qed_dcbnl_ieee_getapp(struct qed_dev *cdev, struct dcb_app *app)
{
struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
struct qed_dcbx_get *dcbx_info;
struct qed_app_entry *entry;
bool ethtype;
u8 prio = 0;
int i;
dcbx_info = qed_dcbnl_get_dcbx(hwfn, QED_DCBX_OPERATIONAL_MIB);
if (!dcbx_info)
return -EINVAL;
if (!dcbx_info->operational.ieee) {
DP_INFO(hwfn, "DCBX is not enabled/operational in IEEE mode\n");
kfree(dcbx_info);
return -EINVAL;
}
/* ieee defines the selector field value for ethertype to be 1 */
ethtype = !!((app->selector - 1) == DCB_APP_IDTYPE_ETHTYPE);
for (i = 0; i < QED_DCBX_MAX_APP_PROTOCOL; i++) {
entry = &dcbx_info->operational.params.app_entry[i];
if ((entry->ethtype == ethtype) &&
(entry->proto_id == app->protocol)) {
prio = entry->prio;
break;
}
}
if (i == QED_DCBX_MAX_APP_PROTOCOL) {
DP_ERR(cdev, "App entry (%d, %d) not found\n", app->selector,
app->protocol);
kfree(dcbx_info);
return -EINVAL;
}
app->priority = ffs(prio) - 1;
kfree(dcbx_info);
return 0;
}
int qed_dcbnl_ieee_setapp(struct qed_dev *cdev, struct dcb_app *app)
{
struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
struct qed_dcbx_get *dcbx_info;
struct qed_dcbx_set dcbx_set;
struct qed_app_entry *entry;
struct qed_ptt *ptt;
bool ethtype;
int rc, i;
if (app->priority < 0 || app->priority >= QED_MAX_PFC_PRIORITIES) {
DP_INFO(hwfn, "Invalid priority %d\n", app->priority);
return -EINVAL;
}
dcbx_info = qed_dcbnl_get_dcbx(hwfn, QED_DCBX_OPERATIONAL_MIB);
if (!dcbx_info)
return -EINVAL;
if (!dcbx_info->operational.ieee) {
DP_INFO(hwfn, "DCBX is not enabled/operational in IEEE mode\n");
kfree(dcbx_info);
return -EINVAL;
}
kfree(dcbx_info);
memset(&dcbx_set, 0, sizeof(dcbx_set));
rc = qed_dcbx_get_config_params(hwfn, &dcbx_set);
if (rc)
return -EINVAL;
/* ieee defines the selector field value for ethertype to be 1 */
ethtype = !!((app->selector - 1) == DCB_APP_IDTYPE_ETHTYPE);
for (i = 0; i < QED_DCBX_MAX_APP_PROTOCOL; i++) {
entry = &dcbx_set.config.params.app_entry[i];
if ((entry->ethtype == ethtype) &&
(entry->proto_id == app->protocol))
break;
/* First empty slot */
if (!entry->proto_id)
break;
}
if (i == QED_DCBX_MAX_APP_PROTOCOL) {
DP_ERR(cdev, "App table is full\n");
return -EBUSY;
}
dcbx_set.override_flags |= QED_DCBX_OVERRIDE_APP_CFG;
dcbx_set.config.params.app_entry[i].ethtype = ethtype;
dcbx_set.config.params.app_entry[i].proto_id = app->protocol;
dcbx_set.config.params.app_entry[i].prio = BIT(app->priority);
ptt = qed_ptt_acquire(hwfn);
if (!ptt)
return -EBUSY;
rc = qed_dcbx_config_params(hwfn, ptt, &dcbx_set, 0);
qed_ptt_release(hwfn, ptt);
return rc;
}
const struct qed_eth_dcbnl_ops qed_dcbnl_ops_pass = {
.getstate = qed_dcbnl_getstate,
.setstate = qed_dcbnl_setstate,
.getpgtccfgtx = qed_dcbnl_getpgtccfgtx,
.getpgbwgcfgtx = qed_dcbnl_getpgbwgcfgtx,
.getpgtccfgrx = qed_dcbnl_getpgtccfgrx,
.getpgbwgcfgrx = qed_dcbnl_getpgbwgcfgrx,
.getpfccfg = qed_dcbnl_getpfccfg,
.setpfccfg = qed_dcbnl_setpfccfg,
.getcap = qed_dcbnl_getcap,
.getnumtcs = qed_dcbnl_getnumtcs,
.getpfcstate = qed_dcbnl_getpfcstate,
.getdcbx = qed_dcbnl_getdcbx,
.setpgtccfgtx = qed_dcbnl_setpgtccfgtx,
.setpgtccfgrx = qed_dcbnl_setpgtccfgrx,
.setpgbwgcfgtx = qed_dcbnl_setpgbwgcfgtx,
.setpgbwgcfgrx = qed_dcbnl_setpgbwgcfgrx,
.setall = qed_dcbnl_setall,
.setnumtcs = qed_dcbnl_setnumtcs,
.setpfcstate = qed_dcbnl_setpfcstate,
.setapp = qed_dcbnl_setapp,
.setdcbx = qed_dcbnl_setdcbx,
.setfeatcfg = qed_dcbnl_setfeatcfg,
.getfeatcfg = qed_dcbnl_getfeatcfg,
.getapp = qed_dcbnl_getapp,
.peer_getappinfo = qed_dcbnl_peer_getappinfo,
.peer_getapptable = qed_dcbnl_peer_getapptable,
.cee_peer_getpfc = qed_dcbnl_cee_peer_getpfc,
.cee_peer_getpg = qed_dcbnl_cee_peer_getpg,
.ieee_getpfc = qed_dcbnl_ieee_getpfc,
.ieee_setpfc = qed_dcbnl_ieee_setpfc,
.ieee_getets = qed_dcbnl_ieee_getets,
.ieee_setets = qed_dcbnl_ieee_setets,
.ieee_peer_getpfc = qed_dcbnl_ieee_peer_getpfc,
.ieee_peer_getets = qed_dcbnl_ieee_peer_getets,
.ieee_getapp = qed_dcbnl_ieee_getapp,
.ieee_setapp = qed_dcbnl_ieee_setapp,
};
#endif #endif
...@@ -2166,10 +2166,17 @@ static int qed_fp_cqe_completion(struct qed_dev *dev, ...@@ -2166,10 +2166,17 @@ static int qed_fp_cqe_completion(struct qed_dev *dev,
extern const struct qed_iov_hv_ops qed_iov_ops_pass; extern const struct qed_iov_hv_ops qed_iov_ops_pass;
#endif #endif
#ifdef CONFIG_DCB
extern const struct qed_eth_dcbnl_ops qed_dcbnl_ops_pass;
#endif
static const struct qed_eth_ops qed_eth_ops_pass = { static const struct qed_eth_ops qed_eth_ops_pass = {
.common = &qed_common_ops_pass, .common = &qed_common_ops_pass,
#ifdef CONFIG_QED_SRIOV #ifdef CONFIG_QED_SRIOV
.iov = &qed_iov_ops_pass, .iov = &qed_iov_ops_pass,
#endif
#ifdef CONFIG_DCB
.dcb = &qed_dcbnl_ops_pass,
#endif #endif
.fill_dev_info = &qed_fill_eth_dev_info, .fill_dev_info = &qed_fill_eth_dev_info,
.register_ops = &qed_register_eth_ops, .register_ops = &qed_register_eth_ops,
......
...@@ -128,11 +128,73 @@ struct qed_eth_cb_ops { ...@@ -128,11 +128,73 @@ struct qed_eth_cb_ops {
void (*force_mac) (void *dev, u8 *mac); void (*force_mac) (void *dev, u8 *mac);
}; };
#ifdef CONFIG_DCB
/* Prototype declaration of qed_eth_dcbnl_ops should match with the declaration
* of dcbnl_rtnl_ops structure.
*/
struct qed_eth_dcbnl_ops {
/* IEEE 802.1Qaz std */
int (*ieee_getpfc)(struct qed_dev *cdev, struct ieee_pfc *pfc);
int (*ieee_setpfc)(struct qed_dev *cdev, struct ieee_pfc *pfc);
int (*ieee_getets)(struct qed_dev *cdev, struct ieee_ets *ets);
int (*ieee_setets)(struct qed_dev *cdev, struct ieee_ets *ets);
int (*ieee_peer_getets)(struct qed_dev *cdev, struct ieee_ets *ets);
int (*ieee_peer_getpfc)(struct qed_dev *cdev, struct ieee_pfc *pfc);
int (*ieee_getapp)(struct qed_dev *cdev, struct dcb_app *app);
int (*ieee_setapp)(struct qed_dev *cdev, struct dcb_app *app);
/* CEE std */
u8 (*getstate)(struct qed_dev *cdev);
u8 (*setstate)(struct qed_dev *cdev, u8 state);
void (*getpgtccfgtx)(struct qed_dev *cdev, int prio, u8 *prio_type,
u8 *pgid, u8 *bw_pct, u8 *up_map);
void (*getpgbwgcfgtx)(struct qed_dev *cdev, int pgid, u8 *bw_pct);
void (*getpgtccfgrx)(struct qed_dev *cdev, int prio, u8 *prio_type,
u8 *pgid, u8 *bw_pct, u8 *up_map);
void (*getpgbwgcfgrx)(struct qed_dev *cdev, int pgid, u8 *bw_pct);
void (*getpfccfg)(struct qed_dev *cdev, int prio, u8 *setting);
void (*setpfccfg)(struct qed_dev *cdev, int prio, u8 setting);
u8 (*getcap)(struct qed_dev *cdev, int capid, u8 *cap);
int (*getnumtcs)(struct qed_dev *cdev, int tcid, u8 *num);
u8 (*getpfcstate)(struct qed_dev *cdev);
int (*getapp)(struct qed_dev *cdev, u8 idtype, u16 id);
u8 (*getfeatcfg)(struct qed_dev *cdev, int featid, u8 *flags);
/* DCBX configuration */
u8 (*getdcbx)(struct qed_dev *cdev);
void (*setpgtccfgtx)(struct qed_dev *cdev, int prio,
u8 pri_type, u8 pgid, u8 bw_pct, u8 up_map);
void (*setpgtccfgrx)(struct qed_dev *cdev, int prio,
u8 pri_type, u8 pgid, u8 bw_pct, u8 up_map);
void (*setpgbwgcfgtx)(struct qed_dev *cdev, int pgid, u8 bw_pct);
void (*setpgbwgcfgrx)(struct qed_dev *cdev, int pgid, u8 bw_pct);
u8 (*setall)(struct qed_dev *cdev);
int (*setnumtcs)(struct qed_dev *cdev, int tcid, u8 num);
void (*setpfcstate)(struct qed_dev *cdev, u8 state);
int (*setapp)(struct qed_dev *cdev, u8 idtype, u16 idval, u8 up);
u8 (*setdcbx)(struct qed_dev *cdev, u8 state);
u8 (*setfeatcfg)(struct qed_dev *cdev, int featid, u8 flags);
/* Peer apps */
int (*peer_getappinfo)(struct qed_dev *cdev,
struct dcb_peer_app_info *info,
u16 *app_count);
int (*peer_getapptable)(struct qed_dev *cdev, struct dcb_app *table);
/* CEE peer */
int (*cee_peer_getpfc)(struct qed_dev *cdev, struct cee_pfc *pfc);
int (*cee_peer_getpg)(struct qed_dev *cdev, struct cee_pg *pg);
};
#endif
struct qed_eth_ops { struct qed_eth_ops {
const struct qed_common_ops *common; const struct qed_common_ops *common;
#ifdef CONFIG_QED_SRIOV #ifdef CONFIG_QED_SRIOV
const struct qed_iov_hv_ops *iov; const struct qed_iov_hv_ops *iov;
#endif #endif
#ifdef CONFIG_DCB
const struct qed_eth_dcbnl_ops *dcb;
#endif
int (*fill_dev_info)(struct qed_dev *cdev, int (*fill_dev_info)(struct qed_dev *cdev,
struct qed_dev_eth_info *info); struct qed_dev_eth_info *info);
......
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