Gitiles
Code Review Sign In
code.illumos.org / illumos-gate / b68ddc76a8be9a9b8d7a1eae3a3613b6bce942e5 / . / usr / src / uts / common / io / qede / 579xx / drivers / ecore / ecore_dcbx.c
blob: c325cdecf8365a2906d5c8b2288978e40407a752 [file] [log] [blame]
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, v.1, (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://opensource.org/licenses/CDDL-1.0.
* 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 2014-2017 Cavium, Inc.
* The contents of this file are subject to the terms of the Common Development
* and Distribution License, v.1, (the "License").
* You may not use this file except in compliance with the License.
* You can obtain a copy of the License at available
* at http://opensource.org/licenses/CDDL-1.0
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/*
* Copyright 2018 Joyent, Inc.
*/
#include "bcm_osal.h"
#include "ecore.h"
#include "ecore_sp_commands.h"
#include "ecore_dcbx.h"
#include "ecore_cxt.h"
#include "ecore_gtt_reg_addr.h"
#include "ecore_iro.h"
#ifdef CONFIG_ECORE_ROCE
#include "ecore_roce.h"
#endif
#include "ecore_iov_api.h"
#define ECORE_DCBX_MAX_MIB_READ_TRY (100)
#define ECORE_ETH_TYPE_DEFAULT (0)
#define ECORE_ETH_TYPE_ROCE (0x8915)
#define ECORE_UDP_PORT_TYPE_ROCE_V2 (0x12B7)
#define ECORE_ETH_TYPE_FCOE (0x8906)
#define ECORE_TCP_PORT_ISCSI (0xCBC)
#define ECORE_DCBX_INVALID_PRIORITY 0xFF
/* Get Traffic Class from priority traffic class table, 4 bits represent
* the traffic class corresponding to the priority.
*/
#define ECORE_DCBX_PRIO2TC(prio_tc_tbl, prio) \
((u32)(prio_tc_tbl >> ((7 - prio) * 4)) & 0x7)
static bool ecore_dcbx_app_ethtype(u32 app_info_bitmap)
{
return !!(ECORE_MFW_GET_FIELD(app_info_bitmap, DCBX_APP_SF) ==
DCBX_APP_SF_ETHTYPE);
}
static bool ecore_dcbx_ieee_app_ethtype(u32 app_info_bitmap)
{
u8 mfw_val = ECORE_MFW_GET_FIELD(app_info_bitmap, DCBX_APP_SF_IEEE);
/* Old MFW */
if (mfw_val == DCBX_APP_SF_IEEE_RESERVED)
return ecore_dcbx_app_ethtype(app_info_bitmap);
return !!(mfw_val == DCBX_APP_SF_IEEE_ETHTYPE);
}
static bool ecore_dcbx_app_port(u32 app_info_bitmap)
{
return !!(ECORE_MFW_GET_FIELD(app_info_bitmap, DCBX_APP_SF) ==
DCBX_APP_SF_PORT);
}
static bool ecore_dcbx_ieee_app_port(u32 app_info_bitmap, u8 type)
{
u8 mfw_val = ECORE_MFW_GET_FIELD(app_info_bitmap, DCBX_APP_SF_IEEE);
/* Old MFW */
if (mfw_val == DCBX_APP_SF_IEEE_RESERVED)
return ecore_dcbx_app_port(app_info_bitmap);
return !!(mfw_val == type || mfw_val == DCBX_APP_SF_IEEE_TCP_UDP_PORT);
}
static bool ecore_dcbx_default_tlv(u32 app_info_bitmap, u16 proto_id, bool ieee)
{
bool ethtype;
if (ieee)
ethtype = ecore_dcbx_ieee_app_ethtype(app_info_bitmap);
else
ethtype = ecore_dcbx_app_ethtype(app_info_bitmap);
return !!(ethtype && (proto_id == ECORE_ETH_TYPE_DEFAULT));
}
static bool ecore_dcbx_iscsi_tlv(u32 app_info_bitmap, u16 proto_id, bool ieee)
{
bool port;
if (ieee)
port = ecore_dcbx_ieee_app_port(app_info_bitmap,
DCBX_APP_SF_IEEE_TCP_PORT);
else
port = ecore_dcbx_app_port(app_info_bitmap);
return !!(port && (proto_id == ECORE_TCP_PORT_ISCSI));
}
static bool ecore_dcbx_fcoe_tlv(u32 app_info_bitmap, u16 proto_id, bool ieee)
{
bool ethtype;
if (ieee)
ethtype = ecore_dcbx_ieee_app_ethtype(app_info_bitmap);
else
ethtype = ecore_dcbx_app_ethtype(app_info_bitmap);
return !!(ethtype && (proto_id == ECORE_ETH_TYPE_FCOE));
}
static bool ecore_dcbx_roce_tlv(u32 app_info_bitmap, u16 proto_id, bool ieee)
{
bool ethtype;
if (ieee)
ethtype = ecore_dcbx_ieee_app_ethtype(app_info_bitmap);
else
ethtype = ecore_dcbx_app_ethtype(app_info_bitmap);
return !!(ethtype && (proto_id == ECORE_ETH_TYPE_ROCE));
}
static bool ecore_dcbx_roce_v2_tlv(u32 app_info_bitmap, u16 proto_id, bool ieee)
{
bool port;
if (ieee)
port = ecore_dcbx_ieee_app_port(app_info_bitmap,
DCBX_APP_SF_IEEE_UDP_PORT);
else
port = ecore_dcbx_app_port(app_info_bitmap);
return !!(port && (proto_id == ECORE_UDP_PORT_TYPE_ROCE_V2));
}
static bool ecore_dcbx_iwarp_tlv(struct ecore_hwfn *p_hwfn, u32 app_info_bitmap,
u16 proto_id, bool ieee)
{
bool port;
if (!p_hwfn->p_dcbx_info->iwarp_port)
return false;
if (ieee)
port = ecore_dcbx_ieee_app_port(app_info_bitmap,
DCBX_APP_SF_IEEE_TCP_PORT);
else
port = ecore_dcbx_app_port(app_info_bitmap);
return !!(port && (proto_id == p_hwfn->p_dcbx_info->iwarp_port));
}
static void
ecore_dcbx_dp_protocol(struct ecore_hwfn *p_hwfn,
struct ecore_dcbx_results *p_data)
{
enum dcbx_protocol_type id;
int i;
DP_VERBOSE(p_hwfn, ECORE_MSG_DCB, "DCBX negotiated: %d\n",
p_data->dcbx_enabled);
for (i = 0; i < OSAL_ARRAY_SIZE(ecore_dcbx_app_update); i++) {
id = ecore_dcbx_app_update[i].id;
DP_VERBOSE(p_hwfn, ECORE_MSG_DCB,
"%s info: update %d, enable %d, prio %d, tc %d, num_active_tc %d dscp_enable = %d dscp_val = %d\n",
ecore_dcbx_app_update[i].name, p_data->arr[id].update,
p_data->arr[id].enable, p_data->arr[id].priority,
p_data->arr[id].tc, p_hwfn->hw_info.num_active_tc,
p_data->arr[id].dscp_enable,
p_data->arr[id].dscp_val);
}
}
static void
ecore_dcbx_set_params(struct ecore_dcbx_results *p_data,
struct ecore_hwfn *p_hwfn,
bool enable, u8 prio, u8 tc,
enum dcbx_protocol_type type,
enum ecore_pci_personality personality)
{
struct ecore_dcbx_dscp_params *dscp = &p_hwfn->p_dcbx_info->get.dscp;
/* PF update ramrod data */
p_data->arr[type].enable = enable;
p_data->arr[type].priority = prio;
p_data->arr[type].tc = tc;
p_data->arr[type].dscp_enable = dscp->enabled;
if (p_data->arr[type].dscp_enable) {
u8 i;
for (i = 0; i < ECORE_DCBX_DSCP_SIZE; i++)
if (prio == dscp->dscp_pri_map[i]) {
p_data->arr[type].dscp_val = i;
break;
}
}
if (enable && p_data->arr[type].dscp_enable)
p_data->arr[type].update = UPDATE_DCB_DSCP;
else if (enable)
p_data->arr[type].update = UPDATE_DCB;
else
p_data->arr[type].update = DONT_UPDATE_DCB_DSCP;
/* QM reconf data */
if (p_hwfn->hw_info.personality == personality)
p_hwfn->hw_info.offload_tc = tc;
}
/* Update app protocol data and hw_info fields with the TLV info */
static void
ecore_dcbx_update_app_info(struct ecore_dcbx_results *p_data,
struct ecore_hwfn *p_hwfn,
bool enable, u8 prio, u8 tc,
enum dcbx_protocol_type type)
{
enum ecore_pci_personality personality;
enum dcbx_protocol_type id;
int i;
for (i = 0; i < OSAL_ARRAY_SIZE(ecore_dcbx_app_update); i++) {
id = ecore_dcbx_app_update[i].id;
if (type != id)
continue;
personality = ecore_dcbx_app_update[i].personality;
ecore_dcbx_set_params(p_data, p_hwfn, enable,
prio, tc, type, personality);
}
}
static enum _ecore_status_t
ecore_dcbx_get_app_priority(u8 pri_bitmap, u8 *priority)
{
u32 pri_mask, pri = ECORE_MAX_PFC_PRIORITIES;
u32 index = ECORE_MAX_PFC_PRIORITIES - 1;
enum _ecore_status_t rc = ECORE_SUCCESS;
/* Bitmap 1 corresponds to priority 0, return priority 0 */
if (pri_bitmap == 1) {
*priority = 0;
return rc;
}
/* Choose the highest priority */
while ((ECORE_MAX_PFC_PRIORITIES == pri) && index) {
pri_mask = 1 << index;
if (pri_bitmap & pri_mask)
pri = index;
index--;
}
if (pri < ECORE_MAX_PFC_PRIORITIES)
*priority = (u8)pri;
else
rc = ECORE_INVAL;
return rc;
}
static bool
ecore_dcbx_get_app_protocol_type(struct ecore_hwfn *p_hwfn,
u32 app_prio_bitmap, u16 id,
enum dcbx_protocol_type *type, bool ieee)
{
if (ecore_dcbx_fcoe_tlv(app_prio_bitmap, id, ieee)) {
*type = DCBX_PROTOCOL_FCOE;
} else if (ecore_dcbx_roce_tlv(app_prio_bitmap, id, ieee)) {
*type = DCBX_PROTOCOL_ROCE;
} else if (ecore_dcbx_iscsi_tlv(app_prio_bitmap, id, ieee)) {
*type = DCBX_PROTOCOL_ISCSI;
} else if (ecore_dcbx_default_tlv(app_prio_bitmap, id, ieee)) {
*type = DCBX_PROTOCOL_ETH;
} else if (ecore_dcbx_roce_v2_tlv(app_prio_bitmap, id, ieee)) {
*type = DCBX_PROTOCOL_ROCE_V2;
} else if (ecore_dcbx_iwarp_tlv(p_hwfn, app_prio_bitmap, id, ieee)) {
*type = DCBX_PROTOCOL_IWARP;
} else {
*type = DCBX_MAX_PROTOCOL_TYPE;
DP_ERR(p_hwfn,
"No action required, App TLV id = 0x%x app_prio_bitmap = 0x%x\n",
id, app_prio_bitmap);
return false;
}
return true;
}
/* Parse app TLV's to update TC information in hw_info structure for
* reconfiguring QM. Get protocol specific data for PF update ramrod command.
*/
static enum _ecore_status_t
ecore_dcbx_process_tlv(struct ecore_hwfn *p_hwfn,
struct ecore_dcbx_results *p_data,
struct dcbx_app_priority_entry *p_tbl, u32 pri_tc_tbl,
int count, u8 dcbx_version)
{
enum dcbx_protocol_type type;
u8 tc, priority_map;
bool enable, ieee;
u16 protocol_id;
u8 priority;
enum _ecore_status_t rc = ECORE_SUCCESS;
int i;
DP_VERBOSE(p_hwfn, ECORE_MSG_DCB,
"Num APP entries = %d pri_tc_tbl = 0x%x dcbx_version = %u\n",
count, pri_tc_tbl, dcbx_version);
ieee = (dcbx_version == DCBX_CONFIG_VERSION_IEEE);
/* Parse APP TLV */
for (i = 0; i < count; i++) {
protocol_id = ECORE_MFW_GET_FIELD(p_tbl[i].entry,
DCBX_APP_PROTOCOL_ID);
priority_map = ECORE_MFW_GET_FIELD(p_tbl[i].entry,
DCBX_APP_PRI_MAP);
DP_VERBOSE(p_hwfn, ECORE_MSG_DCB, "Id = 0x%x pri_map = %u\n",
protocol_id, priority_map);
rc = ecore_dcbx_get_app_priority(priority_map, &priority);
if (rc == ECORE_INVAL) {
DP_ERR(p_hwfn, "Invalid priority\n");
return ECORE_INVAL;
}
tc = ECORE_DCBX_PRIO2TC(pri_tc_tbl, priority);
if (ecore_dcbx_get_app_protocol_type(p_hwfn, p_tbl[i].entry,
protocol_id, &type,
ieee)) {
/* ETH always have the enable bit reset, as it gets
* vlan information per packet. For other protocols,
* should be set according to the dcbx_enabled
* indication, but we only got here if there was an
* app tlv for the protocol, so dcbx must be enabled.
*/
enable = !(type == DCBX_PROTOCOL_ETH);
ecore_dcbx_update_app_info(p_data, p_hwfn, enable,
priority, tc, type);
}
}
/* Update ramrod protocol data and hw_info fields
* with default info when corresponding APP TLV's are not detected.
* The enabled field has a different logic for ethernet as only for
* ethernet dcb should disabled by default, as the information arrives
* from the OS (unless an explicit app tlv was present).
*/
tc = p_data->arr[DCBX_PROTOCOL_ETH].tc;
priority = p_data->arr[DCBX_PROTOCOL_ETH].priority;
for (type = 0; type < DCBX_MAX_PROTOCOL_TYPE; type++) {
if (p_data->arr[type].update)
continue;
enable = (type == DCBX_PROTOCOL_ETH) ? false : !!dcbx_version;
ecore_dcbx_update_app_info(p_data, p_hwfn, enable,
priority, tc, type);
}
return ECORE_SUCCESS;
}
/* Parse app TLV's to update TC information in hw_info structure for
* reconfiguring QM. Get protocol specific data for PF update ramrod command.
*/
static enum _ecore_status_t
ecore_dcbx_process_mib_info(struct ecore_hwfn *p_hwfn)
{
struct dcbx_app_priority_feature *p_app;
enum _ecore_status_t rc = ECORE_SUCCESS;
struct ecore_dcbx_results data = { 0 };
struct dcbx_app_priority_entry *p_tbl;
struct dcbx_ets_feature *p_ets;
struct ecore_hw_info *p_info;
u32 pri_tc_tbl, flags;
u8 dcbx_version;
int num_entries;
flags = p_hwfn->p_dcbx_info->operational.flags;
dcbx_version = ECORE_MFW_GET_FIELD(flags, DCBX_CONFIG_VERSION);
p_app = &p_hwfn->p_dcbx_info->operational.features.app;
p_tbl = p_app->app_pri_tbl;
p_ets = &p_hwfn->p_dcbx_info->operational.features.ets;
pri_tc_tbl = p_ets->pri_tc_tbl[0];
p_info = &p_hwfn->hw_info;
num_entries = ECORE_MFW_GET_FIELD(p_app->flags, DCBX_APP_NUM_ENTRIES);
rc = ecore_dcbx_process_tlv(p_hwfn, &data, p_tbl, pri_tc_tbl,
num_entries, dcbx_version);
if (rc != ECORE_SUCCESS)
return rc;
p_info->num_active_tc = ECORE_MFW_GET_FIELD(p_ets->flags, DCBX_ETS_MAX_TCS);
p_hwfn->qm_info.ooo_tc = ECORE_MFW_GET_FIELD(p_ets->flags, DCBX_OOO_TC);
data.pf_id = p_hwfn->rel_pf_id;
data.dcbx_enabled = !!dcbx_version;
ecore_dcbx_dp_protocol(p_hwfn, &data);
OSAL_MEMCPY(&p_hwfn->p_dcbx_info->results, &data,
sizeof(struct ecore_dcbx_results));
return ECORE_SUCCESS;
}
static enum _ecore_status_t
ecore_dcbx_copy_mib(struct ecore_hwfn *p_hwfn,
struct ecore_ptt *p_ptt,
struct ecore_dcbx_mib_meta_data *p_data,
enum ecore_mib_read_type type)
{
enum _ecore_status_t rc = ECORE_SUCCESS;
u32 prefix_seq_num, suffix_seq_num;
int read_count = 0;
/* The data is considered to be valid only if both sequence numbers are
* the same.
*/
do {
if (type == ECORE_DCBX_REMOTE_LLDP_MIB) {
ecore_memcpy_from(p_hwfn, p_ptt, p_data->lldp_remote,
p_data->addr, p_data->size);
prefix_seq_num = p_data->lldp_remote->prefix_seq_num;
suffix_seq_num = p_data->lldp_remote->suffix_seq_num;
} else {
ecore_memcpy_from(p_hwfn, p_ptt, p_data->mib,
p_data->addr, p_data->size);
prefix_seq_num = p_data->mib->prefix_seq_num;
suffix_seq_num = p_data->mib->suffix_seq_num;
}
read_count++;
DP_VERBOSE(p_hwfn, ECORE_MSG_DCB,
"mib type = %d, try count = %d prefix seq num = %d suffix seq num = %d\n",
type, read_count, prefix_seq_num, suffix_seq_num);
} while ((prefix_seq_num != suffix_seq_num) &&
(read_count < ECORE_DCBX_MAX_MIB_READ_TRY));
if (read_count >= ECORE_DCBX_MAX_MIB_READ_TRY) {
DP_ERR(p_hwfn,
"MIB read err, mib type = %d, try count = %d prefix seq num = %d suffix seq num = %d\n",
type, read_count, prefix_seq_num, suffix_seq_num);
rc = ECORE_IO;
}
return rc;
}
static void
ecore_dcbx_get_priority_info(struct ecore_hwfn *p_hwfn,
struct ecore_dcbx_app_prio *p_prio,
struct ecore_dcbx_results *p_results)
{
u8 val;
p_prio->roce = ECORE_DCBX_INVALID_PRIORITY;
p_prio->roce_v2 = ECORE_DCBX_INVALID_PRIORITY;
p_prio->iscsi = ECORE_DCBX_INVALID_PRIORITY;
p_prio->fcoe = ECORE_DCBX_INVALID_PRIORITY;
if (p_results->arr[DCBX_PROTOCOL_ROCE].update &&
p_results->arr[DCBX_PROTOCOL_ROCE].enable)
p_prio->roce = p_results->arr[DCBX_PROTOCOL_ROCE].priority;
if (p_results->arr[DCBX_PROTOCOL_ROCE_V2].update &&
p_results->arr[DCBX_PROTOCOL_ROCE_V2].enable) {
val = p_results->arr[DCBX_PROTOCOL_ROCE_V2].priority;
p_prio->roce_v2 = val;
}
if (p_results->arr[DCBX_PROTOCOL_ISCSI].update &&
p_results->arr[DCBX_PROTOCOL_ISCSI].enable)
p_prio->iscsi = p_results->arr[DCBX_PROTOCOL_ISCSI].priority;
if (p_results->arr[DCBX_PROTOCOL_FCOE].update &&
p_results->arr[DCBX_PROTOCOL_FCOE].enable)
p_prio->fcoe = p_results->arr[DCBX_PROTOCOL_FCOE].priority;
if (p_results->arr[DCBX_PROTOCOL_ETH].update &&
p_results->arr[DCBX_PROTOCOL_ETH].enable)
p_prio->eth = p_results->arr[DCBX_PROTOCOL_ETH].priority;
DP_VERBOSE(p_hwfn, ECORE_MSG_DCB,
"Priorities: iscsi %d, roce %d, roce v2 %d, fcoe %d, eth %d\n",
p_prio->iscsi, p_prio->roce, p_prio->roce_v2, p_prio->fcoe,
p_prio->eth);
}
static void
ecore_dcbx_get_app_data(struct ecore_hwfn *p_hwfn,
struct dcbx_app_priority_feature *p_app,
struct dcbx_app_priority_entry *p_tbl,
struct ecore_dcbx_params *p_params, bool ieee)
{
struct ecore_app_entry *entry;
u8 pri_map;
int i;
p_params->app_willing = ECORE_MFW_GET_FIELD(p_app->flags,
DCBX_APP_WILLING);
p_params->app_valid = ECORE_MFW_GET_FIELD(p_app->flags,
DCBX_APP_ENABLED);
p_params->app_error = ECORE_MFW_GET_FIELD(p_app->flags, DCBX_APP_ERROR);
p_params->num_app_entries = ECORE_MFW_GET_FIELD(p_app->flags,
DCBX_APP_NUM_ENTRIES);
for (i = 0; i < DCBX_MAX_APP_PROTOCOL; i++) {
entry = &p_params->app_entry[i];
if (ieee) {
u8 sf_ieee;
u32 val;
sf_ieee = ECORE_MFW_GET_FIELD(p_tbl[i].entry,
DCBX_APP_SF_IEEE);
switch (sf_ieee) {
case DCBX_APP_SF_IEEE_RESERVED:
/* Old MFW */
val = ECORE_MFW_GET_FIELD(p_tbl[i].entry,
DCBX_APP_SF);
entry->sf_ieee = val ?
ECORE_DCBX_SF_IEEE_TCP_UDP_PORT :
ECORE_DCBX_SF_IEEE_ETHTYPE;
break;
case DCBX_APP_SF_IEEE_ETHTYPE:
entry->sf_ieee = ECORE_DCBX_SF_IEEE_ETHTYPE;
break;
case DCBX_APP_SF_IEEE_TCP_PORT:
entry->sf_ieee = ECORE_DCBX_SF_IEEE_TCP_PORT;
break;
case DCBX_APP_SF_IEEE_UDP_PORT:
entry->sf_ieee = ECORE_DCBX_SF_IEEE_UDP_PORT;
break;
case DCBX_APP_SF_IEEE_TCP_UDP_PORT:
entry->sf_ieee = ECORE_DCBX_SF_IEEE_TCP_UDP_PORT;
break;
}
} else {
entry->ethtype = !(ECORE_MFW_GET_FIELD(p_tbl[i].entry,
DCBX_APP_SF));
}
pri_map = ECORE_MFW_GET_FIELD(p_tbl[i].entry, DCBX_APP_PRI_MAP);
ecore_dcbx_get_app_priority(pri_map, &entry->prio);
entry->proto_id = ECORE_MFW_GET_FIELD(p_tbl[i].entry,
DCBX_APP_PROTOCOL_ID);
ecore_dcbx_get_app_protocol_type(p_hwfn, p_tbl[i].entry,
entry->proto_id,
&entry->proto_type, ieee);
}
DP_VERBOSE(p_hwfn, ECORE_MSG_DCB,
"APP params: willing %d, valid %d error = %d\n",
p_params->app_willing, p_params->app_valid,
p_params->app_error);
}
static void
ecore_dcbx_get_pfc_data(struct ecore_hwfn *p_hwfn,
u32 pfc, struct ecore_dcbx_params *p_params)
{
u8 pfc_map;
p_params->pfc.willing = ECORE_MFW_GET_FIELD(pfc, DCBX_PFC_WILLING);
p_params->pfc.max_tc = ECORE_MFW_GET_FIELD(pfc, DCBX_PFC_CAPS);
p_params->pfc.enabled = ECORE_MFW_GET_FIELD(pfc, DCBX_PFC_ENABLED);
pfc_map = ECORE_MFW_GET_FIELD(pfc, DCBX_PFC_PRI_EN_BITMAP);
p_params->pfc.prio[0] = !!(pfc_map & DCBX_PFC_PRI_EN_BITMAP_PRI_0);
p_params->pfc.prio[1] = !!(pfc_map & DCBX_PFC_PRI_EN_BITMAP_PRI_1);
p_params->pfc.prio[2] = !!(pfc_map & DCBX_PFC_PRI_EN_BITMAP_PRI_2);
p_params->pfc.prio[3] = !!(pfc_map & DCBX_PFC_PRI_EN_BITMAP_PRI_3);
p_params->pfc.prio[4] = !!(pfc_map & DCBX_PFC_PRI_EN_BITMAP_PRI_4);
p_params->pfc.prio[5] = !!(pfc_map & DCBX_PFC_PRI_EN_BITMAP_PRI_5);
p_params->pfc.prio[6] = !!(pfc_map & DCBX_PFC_PRI_EN_BITMAP_PRI_6);
p_params->pfc.prio[7] = !!(pfc_map & DCBX_PFC_PRI_EN_BITMAP_PRI_7);
DP_VERBOSE(p_hwfn, ECORE_MSG_DCB,
"PFC params: willing %d, pfc_bitmap %u max_tc = %u enabled = %d\n",
p_params->pfc.willing, pfc_map, p_params->pfc.max_tc,
p_params->pfc.enabled);
}
static void
ecore_dcbx_get_ets_data(struct ecore_hwfn *p_hwfn,
struct dcbx_ets_feature *p_ets,
struct ecore_dcbx_params *p_params)
{
u32 bw_map[2], tsa_map[2], pri_map;
int i;
p_params->ets_willing = ECORE_MFW_GET_FIELD(p_ets->flags,
DCBX_ETS_WILLING);
p_params->ets_enabled = ECORE_MFW_GET_FIELD(p_ets->flags,
DCBX_ETS_ENABLED);
p_params->ets_cbs = ECORE_MFW_GET_FIELD(p_ets->flags, DCBX_ETS_CBS);
p_params->max_ets_tc = ECORE_MFW_GET_FIELD(p_ets->flags,
DCBX_ETS_MAX_TCS);
DP_VERBOSE(p_hwfn, ECORE_MSG_DCB,
"ETS params: willing %d, enabled = %d ets_cbs %d pri_tc_tbl_0 %x max_ets_tc %d\n",
p_params->ets_willing, p_params->ets_enabled,
p_params->ets_cbs, p_ets->pri_tc_tbl[0],
p_params->max_ets_tc);
if (p_params->ets_enabled && !p_params->max_ets_tc)
{
p_params->max_ets_tc = ECORE_MAX_PFC_PRIORITIES;
DP_VERBOSE(p_hwfn, ECORE_MSG_DCB,
"ETS params: max_ets_tc is forced to %d\n",
p_params->max_ets_tc);
}
/* 8 bit tsa and bw data corresponding to each of the 8 TC's are
* encoded in a type u32 array of size 2.
*/
bw_map[0] = OSAL_BE32_TO_CPU(p_ets->tc_bw_tbl[0]);
bw_map[1] = OSAL_BE32_TO_CPU(p_ets->tc_bw_tbl[1]);
tsa_map[0] = OSAL_BE32_TO_CPU(p_ets->tc_tsa_tbl[0]);
tsa_map[1] = OSAL_BE32_TO_CPU(p_ets->tc_tsa_tbl[1]);
pri_map = p_ets->pri_tc_tbl[0];
for (i = 0; i < ECORE_MAX_PFC_PRIORITIES; i++) {
p_params->ets_tc_bw_tbl[i] = ((u8 *)bw_map)[i];
p_params->ets_tc_tsa_tbl[i] = ((u8 *)tsa_map)[i];
p_params->ets_pri_tc_tbl[i] = ECORE_DCBX_PRIO2TC(pri_map, i);
DP_VERBOSE(p_hwfn, ECORE_MSG_DCB,
"elem %d bw_tbl %x tsa_tbl %x\n",
i, p_params->ets_tc_bw_tbl[i],
p_params->ets_tc_tsa_tbl[i]);
}
}
static void
ecore_dcbx_get_common_params(struct ecore_hwfn *p_hwfn,
struct dcbx_app_priority_feature *p_app,
struct dcbx_app_priority_entry *p_tbl,
struct dcbx_ets_feature *p_ets,
u32 pfc, struct ecore_dcbx_params *p_params,
bool ieee)
{
ecore_dcbx_get_app_data(p_hwfn, p_app, p_tbl, p_params, ieee);
ecore_dcbx_get_ets_data(p_hwfn, p_ets, p_params);
ecore_dcbx_get_pfc_data(p_hwfn, pfc, p_params);
}
static void
ecore_dcbx_get_local_params(struct ecore_hwfn *p_hwfn,
struct ecore_ptt *p_ptt,
struct ecore_dcbx_get *params)
{
struct dcbx_features *p_feat;
p_feat = &p_hwfn->p_dcbx_info->local_admin.features;
ecore_dcbx_get_common_params(p_hwfn, &p_feat->app,
p_feat->app.app_pri_tbl, &p_feat->ets,
p_feat->pfc, &params->local.params, false);
params->local.valid = true;
}
static void
ecore_dcbx_get_remote_params(struct ecore_hwfn *p_hwfn,
struct ecore_ptt *p_ptt,
struct ecore_dcbx_get *params)
{
struct dcbx_features *p_feat;
p_feat = &p_hwfn->p_dcbx_info->remote.features;
ecore_dcbx_get_common_params(p_hwfn, &p_feat->app,
p_feat->app.app_pri_tbl, &p_feat->ets,
p_feat->pfc, &params->remote.params,
false);
params->remote.valid = true;
}
static enum _ecore_status_t
ecore_dcbx_get_operational_params(struct ecore_hwfn *p_hwfn,
struct ecore_ptt *p_ptt,
struct ecore_dcbx_get *params)
{
struct ecore_dcbx_operational_params *p_operational;
struct ecore_dcbx_results *p_results;
struct dcbx_features *p_feat;
bool enabled, err;
u32 flags;
bool val;
flags = p_hwfn->p_dcbx_info->operational.flags;
/* If DCBx version is non zero, then negotiation
* was successfuly performed
*/
p_operational = &params->operational;
enabled = !!(ECORE_MFW_GET_FIELD(flags, DCBX_CONFIG_VERSION) !=
DCBX_CONFIG_VERSION_DISABLED);
if (!enabled) {
p_operational->enabled = enabled;
p_operational->valid = false;
DP_VERBOSE(p_hwfn, ECORE_MSG_DCB, "Dcbx is disabled\n");
return ECORE_INVAL;
}
p_feat = &p_hwfn->p_dcbx_info->operational.features;
p_results = &p_hwfn->p_dcbx_info->results;
val = !!(ECORE_MFW_GET_FIELD(flags, DCBX_CONFIG_VERSION) ==
DCBX_CONFIG_VERSION_IEEE);
p_operational->ieee = val;
val = !!(ECORE_MFW_GET_FIELD(flags, DCBX_CONFIG_VERSION) ==
DCBX_CONFIG_VERSION_CEE);
p_operational->cee = val;
val = !!(ECORE_MFW_GET_FIELD(flags, DCBX_CONFIG_VERSION) ==
DCBX_CONFIG_VERSION_STATIC);
p_operational->local = val;
DP_VERBOSE(p_hwfn, ECORE_MSG_DCB,
"Version support: ieee %d, cee %d, static %d\n",
p_operational->ieee, p_operational->cee,
p_operational->local);
ecore_dcbx_get_common_params(p_hwfn, &p_feat->app,
p_feat->app.app_pri_tbl, &p_feat->ets,
p_feat->pfc, &params->operational.params,
p_operational->ieee);
ecore_dcbx_get_priority_info(p_hwfn, &p_operational->app_prio,
p_results);
err = ECORE_MFW_GET_FIELD(p_feat->app.flags, DCBX_APP_ERROR);
p_operational->err = err;
p_operational->enabled = enabled;
p_operational->valid = true;
return ECORE_SUCCESS;
}
static void
ecore_dcbx_get_dscp_params(struct ecore_hwfn *p_hwfn,
struct ecore_ptt *p_ptt,
struct ecore_dcbx_get *params)
{
struct ecore_dcbx_dscp_params *p_dscp;
struct dcb_dscp_map *p_dscp_map;
int i, j, entry;
u32 pri_map;
p_dscp = &params->dscp;
p_dscp_map = &p_hwfn->p_dcbx_info->dscp_map;
p_dscp->enabled = ECORE_MFW_GET_FIELD(p_dscp_map->flags,
DCB_DSCP_ENABLE);
/* MFW encodes 64 dscp entries into 8 element array of u32 entries,
* where each entry holds the 4bit priority map for 8 dscp entries.
*/
for (i = 0, entry = 0; i < ECORE_DCBX_DSCP_SIZE / 8; i++) {
pri_map = OSAL_BE32_TO_CPU(p_dscp_map->dscp_pri_map[i]);
DP_VERBOSE(p_hwfn, ECORE_MSG_DCB, "elem %d pri_map 0x%x\n",
entry, pri_map);
for (j = 0; j < ECORE_DCBX_DSCP_SIZE / 8; j++, entry++)
p_dscp->dscp_pri_map[entry] = (u32)(pri_map >>
(j * 4)) & 0xf;
}
}
static void
ecore_dcbx_get_local_lldp_params(struct ecore_hwfn *p_hwfn,
struct ecore_ptt *p_ptt,
struct ecore_dcbx_get *params)
{
struct lldp_config_params_s *p_local;
p_local = &p_hwfn->p_dcbx_info->lldp_local[LLDP_NEAREST_BRIDGE];
OSAL_MEMCPY(params->lldp_local.local_chassis_id,
p_local->local_chassis_id,
OSAL_ARRAY_SIZE(p_local->local_chassis_id));
OSAL_MEMCPY(params->lldp_local.local_port_id, p_local->local_port_id,
OSAL_ARRAY_SIZE(p_local->local_port_id));
}
static void
ecore_dcbx_get_remote_lldp_params(struct ecore_hwfn *p_hwfn,
struct ecore_ptt *p_ptt,
struct ecore_dcbx_get *params)
{
struct lldp_status_params_s *p_remote;
p_remote = &p_hwfn->p_dcbx_info->lldp_remote[LLDP_NEAREST_BRIDGE];
OSAL_MEMCPY(params->lldp_remote.peer_chassis_id,
p_remote->peer_chassis_id,
OSAL_ARRAY_SIZE(p_remote->peer_chassis_id));
OSAL_MEMCPY(params->lldp_remote.peer_port_id, p_remote->peer_port_id,
OSAL_ARRAY_SIZE(p_remote->peer_port_id));
}
static enum _ecore_status_t
ecore_dcbx_get_params(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt,
struct ecore_dcbx_get *p_params,
enum ecore_mib_read_type type)
{
enum _ecore_status_t rc = ECORE_SUCCESS;
switch (type) {
case ECORE_DCBX_REMOTE_MIB:
ecore_dcbx_get_remote_params(p_hwfn, p_ptt, p_params);
break;
case ECORE_DCBX_LOCAL_MIB:
ecore_dcbx_get_local_params(p_hwfn, p_ptt, p_params);
break;
case ECORE_DCBX_OPERATIONAL_MIB:
ecore_dcbx_get_operational_params(p_hwfn, p_ptt, p_params);
break;
case ECORE_DCBX_REMOTE_LLDP_MIB:
ecore_dcbx_get_remote_lldp_params(p_hwfn, p_ptt, p_params);
break;
case ECORE_DCBX_LOCAL_LLDP_MIB:
ecore_dcbx_get_local_lldp_params(p_hwfn, p_ptt, p_params);
break;
default:
DP_ERR(p_hwfn, "MIB read err, unknown mib type %d\n", type);
return ECORE_INVAL;
}
return rc;
}
static enum _ecore_status_t
ecore_dcbx_read_local_lldp_mib(struct ecore_hwfn *p_hwfn,
struct ecore_ptt *p_ptt)
{
struct ecore_dcbx_mib_meta_data data;
enum _ecore_status_t rc = ECORE_SUCCESS;
OSAL_MEM_ZERO(&data, sizeof(data));
data.addr = p_hwfn->mcp_info->port_addr + offsetof(struct public_port,
lldp_config_params);
data.lldp_local = p_hwfn->p_dcbx_info->lldp_local;
data.size = sizeof(struct lldp_config_params_s);
ecore_memcpy_from(p_hwfn, p_ptt, data.lldp_local, data.addr, data.size);
return rc;
}
static enum _ecore_status_t
ecore_dcbx_read_remote_lldp_mib(struct ecore_hwfn *p_hwfn,
struct ecore_ptt *p_ptt,
enum ecore_mib_read_type type)
{
struct ecore_dcbx_mib_meta_data data;
enum _ecore_status_t rc = ECORE_SUCCESS;
OSAL_MEM_ZERO(&data, sizeof(data));
data.addr = p_hwfn->mcp_info->port_addr + offsetof(struct public_port,
lldp_status_params);
data.lldp_remote = p_hwfn->p_dcbx_info->lldp_remote;
data.size = sizeof(struct lldp_status_params_s);
rc = ecore_dcbx_copy_mib(p_hwfn, p_ptt, &data, type);
return rc;
}
static enum _ecore_status_t
ecore_dcbx_read_operational_mib(struct ecore_hwfn *p_hwfn,
struct ecore_ptt *p_ptt,
enum ecore_mib_read_type type)
{
struct ecore_dcbx_mib_meta_data data;
enum _ecore_status_t rc = ECORE_SUCCESS;
OSAL_MEM_ZERO(&data, sizeof(data));
data.addr = p_hwfn->mcp_info->port_addr +
offsetof(struct public_port, operational_dcbx_mib);
data.mib = &p_hwfn->p_dcbx_info->operational;
data.size = sizeof(struct dcbx_mib);
rc = ecore_dcbx_copy_mib(p_hwfn, p_ptt, &data, type);
return rc;
}
static enum _ecore_status_t
ecore_dcbx_read_remote_mib(struct ecore_hwfn *p_hwfn,
struct ecore_ptt *p_ptt,
enum ecore_mib_read_type type)
{
struct ecore_dcbx_mib_meta_data data;
enum _ecore_status_t rc = ECORE_SUCCESS;
OSAL_MEM_ZERO(&data, sizeof(data));
data.addr = p_hwfn->mcp_info->port_addr +
offsetof(struct public_port, remote_dcbx_mib);
data.mib = &p_hwfn->p_dcbx_info->remote;
data.size = sizeof(struct dcbx_mib);
rc = ecore_dcbx_copy_mib(p_hwfn, p_ptt, &data, type);
return rc;
}
static enum _ecore_status_t
ecore_dcbx_read_local_mib(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt)
{
struct ecore_dcbx_mib_meta_data data;
enum _ecore_status_t rc = ECORE_SUCCESS;
OSAL_MEM_ZERO(&data, sizeof(data));
data.addr = p_hwfn->mcp_info->port_addr +
offsetof(struct public_port, local_admin_dcbx_mib);
data.local_admin = &p_hwfn->p_dcbx_info->local_admin;
data.size = sizeof(struct dcbx_local_params);
ecore_memcpy_from(p_hwfn, p_ptt, data.local_admin,
data.addr, data.size);
return rc;
}
static void
ecore_dcbx_read_dscp_mib(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt)
{
struct ecore_dcbx_mib_meta_data data;
data.addr = p_hwfn->mcp_info->port_addr +
offsetof(struct public_port, dcb_dscp_map);
data.dscp_map = &p_hwfn->p_dcbx_info->dscp_map;
data.size = sizeof(struct dcb_dscp_map);
ecore_memcpy_from(p_hwfn, p_ptt, data.dscp_map, data.addr, data.size);
}
static enum _ecore_status_t ecore_dcbx_read_mib(struct ecore_hwfn *p_hwfn,
struct ecore_ptt *p_ptt,
enum ecore_mib_read_type type)
{
enum _ecore_status_t rc = ECORE_INVAL;
switch (type) {
case ECORE_DCBX_OPERATIONAL_MIB:
ecore_dcbx_read_dscp_mib(p_hwfn, p_ptt);
rc = ecore_dcbx_read_operational_mib(p_hwfn, p_ptt, type);
break;
case ECORE_DCBX_REMOTE_MIB:
rc = ecore_dcbx_read_remote_mib(p_hwfn, p_ptt, type);
break;
case ECORE_DCBX_LOCAL_MIB:
rc = ecore_dcbx_read_local_mib(p_hwfn, p_ptt);
break;
case ECORE_DCBX_REMOTE_LLDP_MIB:
rc = ecore_dcbx_read_remote_lldp_mib(p_hwfn, p_ptt, type);
break;
case ECORE_DCBX_LOCAL_LLDP_MIB:
rc = ecore_dcbx_read_local_lldp_mib(p_hwfn, p_ptt);
break;
default:
DP_ERR(p_hwfn, "MIB read err, unknown mib type %d\n", type);
}
return rc;
}
/*
* Read updated MIB.
* Reconfigure QM and invoke PF update ramrod command if operational MIB
* change is detected.
*/
enum _ecore_status_t
ecore_dcbx_mib_update_event(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt,
enum ecore_mib_read_type type)
{
enum _ecore_status_t rc = ECORE_SUCCESS;
rc = ecore_dcbx_read_mib(p_hwfn, p_ptt, type);
if (rc)
return rc;
if (type == ECORE_DCBX_OPERATIONAL_MIB) {
ecore_dcbx_get_dscp_params(p_hwfn, p_ptt,
&p_hwfn->p_dcbx_info->get);
rc = ecore_dcbx_process_mib_info(p_hwfn);
if (!rc) {
bool enabled __unused;
/* reconfigure tcs of QM queues according
* to negotiation results
*/
ecore_qm_reconf(p_hwfn, p_ptt);
/* update storm FW with negotiation results */
ecore_sp_pf_update_dcbx(p_hwfn);
/* set eagle enigne 1 flow control workaround
* according to negotiation results
*/
enabled = p_hwfn->p_dcbx_info->results.dcbx_enabled;
#ifdef CONFIG_ECORE_ROCE
/* for roce PFs, we may want to enable/disable DPM
* when DCBx change occurs
*/
if (ECORE_IS_ROCE_PERSONALITY(p_hwfn))
ecore_roce_dpm_dcbx(p_hwfn, p_ptt);
#endif
}
}
ecore_dcbx_get_params(p_hwfn, p_ptt, &p_hwfn->p_dcbx_info->get, type);
if (type == ECORE_DCBX_OPERATIONAL_MIB) {
struct ecore_dcbx_results *p_data;
u16 val;
/* Update the DSCP to TC mapping bit if required */
if (p_hwfn->p_dcbx_info->dscp_nig_update) {
ecore_wr(p_hwfn, p_ptt, NIG_REG_DSCP_TO_TC_MAP_ENABLE,
0x1);
p_hwfn->p_dcbx_info->dscp_nig_update = false;
}
/* Configure in NIG which protocols support EDPM and should
* honor PFC.
*/
p_data = &p_hwfn->p_dcbx_info->results;
val = (0x1 << p_data->arr[DCBX_PROTOCOL_ROCE].tc) |
(0x1 << p_data->arr[DCBX_PROTOCOL_ROCE_V2].tc);
val <<= NIG_REG_TX_EDPM_CTRL_TX_EDPM_TC_EN_SHIFT;
val |= NIG_REG_TX_EDPM_CTRL_TX_EDPM_EN;
ecore_wr(p_hwfn, p_ptt, NIG_REG_TX_EDPM_CTRL, val);
}
OSAL_DCBX_AEN(p_hwfn, type);
return rc;
}
enum _ecore_status_t ecore_dcbx_info_alloc(struct ecore_hwfn *p_hwfn)
{
#ifndef __EXTRACT__LINUX__
OSAL_BUILD_BUG_ON(ECORE_LLDP_CHASSIS_ID_STAT_LEN !=
LLDP_CHASSIS_ID_STAT_LEN);
OSAL_BUILD_BUG_ON(ECORE_LLDP_PORT_ID_STAT_LEN !=
LLDP_PORT_ID_STAT_LEN);
OSAL_BUILD_BUG_ON(ECORE_DCBX_MAX_APP_PROTOCOL !=
DCBX_MAX_APP_PROTOCOL);
#endif
p_hwfn->p_dcbx_info = OSAL_ZALLOC(p_hwfn->p_dev, GFP_KERNEL,
sizeof(*p_hwfn->p_dcbx_info));
if (!p_hwfn->p_dcbx_info) {
DP_NOTICE(p_hwfn, true,
"Failed to allocate `struct ecore_dcbx_info'");
return ECORE_NOMEM;
}
p_hwfn->p_dcbx_info->iwarp_port =
p_hwfn->pf_params.rdma_pf_params.iwarp_port;
return ECORE_SUCCESS;
}
void ecore_dcbx_info_free(struct ecore_hwfn *p_hwfn)
{
OSAL_FREE(p_hwfn->p_dev, p_hwfn->p_dcbx_info);
p_hwfn->p_dcbx_info = OSAL_NULL;
}
static void ecore_dcbx_update_protocol_data(struct protocol_dcb_data *p_data,
struct ecore_dcbx_results *p_src,
enum dcbx_protocol_type type)
{
p_data->dcb_enable_flag = p_src->arr[type].enable;
p_data->dcb_priority = p_src->arr[type].priority;
p_data->dcb_tc = p_src->arr[type].tc;
p_data->dscp_enable_flag = p_src->arr[type].dscp_enable;
p_data->dscp_val = p_src->arr[type].dscp_val;
}
/* Set pf update ramrod command params */
void ecore_dcbx_set_pf_update_params(struct ecore_dcbx_results *p_src,
struct pf_update_ramrod_data *p_dest)
{
struct protocol_dcb_data *p_dcb_data;
u8 update_flag;
p_dest->pf_id = p_src->pf_id;
update_flag = p_src->arr[DCBX_PROTOCOL_FCOE].update;
p_dest->update_fcoe_dcb_data_mode = update_flag;
update_flag = p_src->arr[DCBX_PROTOCOL_ROCE].update;
p_dest->update_roce_dcb_data_mode = update_flag;
update_flag = p_src->arr[DCBX_PROTOCOL_ROCE_V2].update;
p_dest->update_rroce_dcb_data_mode = update_flag;
update_flag = p_src->arr[DCBX_PROTOCOL_ISCSI].update;
p_dest->update_iscsi_dcb_data_mode = update_flag;
update_flag = p_src->arr[DCBX_PROTOCOL_ETH].update;
p_dest->update_eth_dcb_data_mode = update_flag;
update_flag = p_src->arr[DCBX_PROTOCOL_IWARP].update;
p_dest->update_iwarp_dcb_data_mode = update_flag;
p_dcb_data = &p_dest->fcoe_dcb_data;
ecore_dcbx_update_protocol_data(p_dcb_data, p_src, DCBX_PROTOCOL_FCOE);
p_dcb_data = &p_dest->roce_dcb_data;
ecore_dcbx_update_protocol_data(p_dcb_data, p_src, DCBX_PROTOCOL_ROCE);
p_dcb_data = &p_dest->rroce_dcb_data;
ecore_dcbx_update_protocol_data(p_dcb_data, p_src,
DCBX_PROTOCOL_ROCE_V2);
p_dcb_data = &p_dest->iscsi_dcb_data;
ecore_dcbx_update_protocol_data(p_dcb_data, p_src, DCBX_PROTOCOL_ISCSI);
p_dcb_data = &p_dest->eth_dcb_data;
ecore_dcbx_update_protocol_data(p_dcb_data, p_src, DCBX_PROTOCOL_ETH);
p_dcb_data = &p_dest->iwarp_dcb_data;
ecore_dcbx_update_protocol_data(p_dcb_data, p_src, DCBX_PROTOCOL_IWARP);
}
enum _ecore_status_t ecore_dcbx_query_params(struct ecore_hwfn *p_hwfn,
struct ecore_dcbx_get *p_get,
enum ecore_mib_read_type type)
{
struct ecore_ptt *p_ptt;
enum _ecore_status_t rc;
if (IS_VF(p_hwfn->p_dev))
return ECORE_INVAL;
p_ptt = ecore_ptt_acquire(p_hwfn);
if (!p_ptt) {
rc = ECORE_TIMEOUT;
DP_ERR(p_hwfn, "rc = %d\n", rc);
return rc;
}
rc = ecore_dcbx_read_mib(p_hwfn, p_ptt, type);
if (rc != ECORE_SUCCESS)
goto out;
rc = ecore_dcbx_get_params(p_hwfn, p_ptt, p_get, type);
out:
ecore_ptt_release(p_hwfn, p_ptt);
return rc;
}
static void
ecore_dcbx_set_pfc_data(struct ecore_hwfn *p_hwfn,
u32 *pfc, struct ecore_dcbx_params *p_params)
{
u8 pfc_map = 0;
int i;
*pfc &= ~DCBX_PFC_ERROR_MASK;
if (p_params->pfc.willing)
*pfc |= DCBX_PFC_WILLING_MASK;
else
*pfc &= ~DCBX_PFC_WILLING_MASK;
if (p_params->pfc.enabled)
*pfc |= DCBX_PFC_ENABLED_MASK;
else
*pfc &= ~DCBX_PFC_ENABLED_MASK;
*pfc &= ~DCBX_PFC_CAPS_MASK;
*pfc |= (u32)p_params->pfc.max_tc << DCBX_PFC_CAPS_SHIFT;
for (i = 0; i < ECORE_MAX_PFC_PRIORITIES; i++)
if (p_params->pfc.prio[i])
pfc_map |= (1 << i);
*pfc &= ~DCBX_PFC_PRI_EN_BITMAP_MASK;
*pfc |= (pfc_map << DCBX_PFC_PRI_EN_BITMAP_SHIFT);
DP_VERBOSE(p_hwfn, ECORE_MSG_DCB, "pfc = 0x%x\n", *pfc);
}
static void
ecore_dcbx_set_ets_data(struct ecore_hwfn *p_hwfn,
struct dcbx_ets_feature *p_ets,
struct ecore_dcbx_params *p_params)
{
u8 *bw_map, *tsa_map;
u32 val;
int i;
if (p_params->ets_willing)
p_ets->flags |= DCBX_ETS_WILLING_MASK;
else
p_ets->flags &= ~DCBX_ETS_WILLING_MASK;
if (p_params->ets_cbs)
p_ets->flags |= DCBX_ETS_CBS_MASK;
else
p_ets->flags &= ~DCBX_ETS_CBS_MASK;
if (p_params->ets_enabled)
p_ets->flags |= DCBX_ETS_ENABLED_MASK;
else
p_ets->flags &= ~DCBX_ETS_ENABLED_MASK;
p_ets->flags &= ~DCBX_ETS_MAX_TCS_MASK;
p_ets->flags |= (u32)p_params->max_ets_tc << DCBX_ETS_MAX_TCS_SHIFT;
bw_map = (u8 *)&p_ets->tc_bw_tbl[0];
tsa_map = (u8 *)&p_ets->tc_tsa_tbl[0];
p_ets->pri_tc_tbl[0] = 0;
for (i = 0; i < ECORE_MAX_PFC_PRIORITIES; i++) {
bw_map[i] = p_params->ets_tc_bw_tbl[i];
tsa_map[i] = p_params->ets_tc_tsa_tbl[i];
/* Copy the priority value to the corresponding 4 bits in the
* traffic class table.
*/
val = (((u32)p_params->ets_pri_tc_tbl[i]) << ((7 - i) * 4));
p_ets->pri_tc_tbl[0] |= val;
}
for (i = 0; i < 2; i++) {
p_ets->tc_bw_tbl[i] = OSAL_CPU_TO_BE32(p_ets->tc_bw_tbl[i]);
p_ets->tc_tsa_tbl[i] = OSAL_CPU_TO_BE32(p_ets->tc_tsa_tbl[i]);
}
DP_VERBOSE(p_hwfn, ECORE_MSG_DCB,
"flags = 0x%x pri_tc = 0x%x tc_bwl[] = {0x%x, 0x%x} tc_tsa = {0x%x, 0x%x}\n",
p_ets->flags, p_ets->pri_tc_tbl[0], p_ets->tc_bw_tbl[0],
p_ets->tc_bw_tbl[1], p_ets->tc_tsa_tbl[0],
p_ets->tc_tsa_tbl[1]);
}
static void
ecore_dcbx_set_app_data(struct ecore_hwfn *p_hwfn,
struct dcbx_app_priority_feature *p_app,
struct ecore_dcbx_params *p_params, bool ieee)
{
u32 *entry;
int i;
if (p_params->app_willing)
p_app->flags |= DCBX_APP_WILLING_MASK;
else
p_app->flags &= ~DCBX_APP_WILLING_MASK;
if (p_params->app_valid)
p_app->flags |= DCBX_APP_ENABLED_MASK;
else
p_app->flags &= ~DCBX_APP_ENABLED_MASK;
p_app->flags &= ~DCBX_APP_NUM_ENTRIES_MASK;
p_app->flags |= (u32)p_params->num_app_entries <<
DCBX_APP_NUM_ENTRIES_SHIFT;
for (i = 0; i < DCBX_MAX_APP_PROTOCOL; i++) {
entry = &p_app->app_pri_tbl[i].entry;
*entry = 0;
if (ieee) {
*entry &= ~(DCBX_APP_SF_IEEE_MASK | DCBX_APP_SF_MASK);
switch (p_params->app_entry[i].sf_ieee) {
case ECORE_DCBX_SF_IEEE_ETHTYPE:
*entry |= ((u32)DCBX_APP_SF_IEEE_ETHTYPE <<
DCBX_APP_SF_IEEE_SHIFT);
*entry |= ((u32)DCBX_APP_SF_ETHTYPE <<
DCBX_APP_SF_SHIFT);
break;
case ECORE_DCBX_SF_IEEE_TCP_PORT:
*entry |= ((u32)DCBX_APP_SF_IEEE_TCP_PORT <<
DCBX_APP_SF_IEEE_SHIFT);
*entry |= ((u32)DCBX_APP_SF_PORT <<
DCBX_APP_SF_SHIFT);
break;
case ECORE_DCBX_SF_IEEE_UDP_PORT:
*entry |= ((u32)DCBX_APP_SF_IEEE_UDP_PORT <<
DCBX_APP_SF_IEEE_SHIFT);
*entry |= ((u32)DCBX_APP_SF_PORT <<
DCBX_APP_SF_SHIFT);
break;
case ECORE_DCBX_SF_IEEE_TCP_UDP_PORT:
*entry |= (u32)DCBX_APP_SF_IEEE_TCP_UDP_PORT <<
DCBX_APP_SF_IEEE_SHIFT;
*entry |= ((u32)DCBX_APP_SF_PORT <<
DCBX_APP_SF_SHIFT);
break;
}
} else {
*entry &= ~DCBX_APP_SF_MASK;
if (p_params->app_entry[i].ethtype)
*entry |= ((u32)DCBX_APP_SF_ETHTYPE <<
DCBX_APP_SF_SHIFT);
else
*entry |= ((u32)DCBX_APP_SF_PORT <<
DCBX_APP_SF_SHIFT);
}
*entry &= ~DCBX_APP_PROTOCOL_ID_MASK;
*entry |= ((u32)p_params->app_entry[i].proto_id <<
DCBX_APP_PROTOCOL_ID_SHIFT);
*entry &= ~DCBX_APP_PRI_MAP_MASK;
*entry |= ((u32)(p_params->app_entry[i].prio) <<
DCBX_APP_PRI_MAP_SHIFT);
}
DP_VERBOSE(p_hwfn, ECORE_MSG_DCB, "flags = 0x%x\n", p_app->flags);
}
static enum _ecore_status_t
ecore_dcbx_set_local_params(struct ecore_hwfn *p_hwfn,
struct dcbx_local_params *local_admin,
struct ecore_dcbx_set *params)
{
bool ieee = false;
local_admin->flags = 0;
OSAL_MEMCPY(&local_admin->features,
&p_hwfn->p_dcbx_info->operational.features,
sizeof(local_admin->features));
if (params->enabled) {
local_admin->config = params->ver_num;
ieee = !!(params->ver_num & DCBX_CONFIG_VERSION_IEEE);
} else
local_admin->config = DCBX_CONFIG_VERSION_DISABLED;
if (params->override_flags & ECORE_DCBX_OVERRIDE_PFC_CFG)
ecore_dcbx_set_pfc_data(p_hwfn, &local_admin->features.pfc,
&params->config.params);
if (params->override_flags & ECORE_DCBX_OVERRIDE_ETS_CFG)
ecore_dcbx_set_ets_data(p_hwfn, &local_admin->features.ets,
&params->config.params);
if (params->override_flags & ECORE_DCBX_OVERRIDE_APP_CFG)
ecore_dcbx_set_app_data(p_hwfn, &local_admin->features.app,
&params->config.params, ieee);
return ECORE_SUCCESS;
}
static enum _ecore_status_t
ecore_dcbx_set_dscp_params(struct ecore_hwfn *p_hwfn,
struct dcb_dscp_map *p_dscp_map,
struct ecore_dcbx_set *p_params)
{
int entry, i, j;
u32 val;
OSAL_MEMCPY(p_dscp_map, &p_hwfn->p_dcbx_info->dscp_map,
sizeof(*p_dscp_map));
p_dscp_map->flags &= ~DCB_DSCP_ENABLE_MASK;
if (p_params->dscp.enabled)
p_dscp_map->flags |= DCB_DSCP_ENABLE_MASK;
for (i = 0, entry = 0; i < 8; i++) {
val = 0;
for (j = 0; j < 8; j++, entry++)
val |= (((u32)p_params->dscp.dscp_pri_map[entry]) <<
(j * 4));
p_dscp_map->dscp_pri_map[i] = OSAL_CPU_TO_BE32(val);
}
p_hwfn->p_dcbx_info->dscp_nig_update = true;
DP_VERBOSE(p_hwfn, ECORE_MSG_DCB, "flags = 0x%x\n", p_dscp_map->flags);
return ECORE_SUCCESS;
}
enum _ecore_status_t ecore_dcbx_config_params(struct ecore_hwfn *p_hwfn,
struct ecore_ptt *p_ptt,
struct ecore_dcbx_set *params,
bool hw_commit)
{
struct dcbx_local_params local_admin;
struct ecore_dcbx_mib_meta_data data;
struct dcb_dscp_map dscp_map;
u32 resp = 0, param = 0;
enum _ecore_status_t rc = ECORE_SUCCESS;
if (!hw_commit) {
OSAL_MEMCPY(&p_hwfn->p_dcbx_info->set, params,
sizeof(p_hwfn->p_dcbx_info->set));
return ECORE_SUCCESS;
}
/* clear set-parmas cache */
OSAL_MEMSET(&p_hwfn->p_dcbx_info->set, 0,
sizeof(struct ecore_dcbx_set));
OSAL_MEMSET(&local_admin, 0, sizeof(local_admin));
ecore_dcbx_set_local_params(p_hwfn, &local_admin, params);
data.addr = p_hwfn->mcp_info->port_addr +
offsetof(struct public_port, local_admin_dcbx_mib);
data.local_admin = &local_admin;
data.size = sizeof(struct dcbx_local_params);
ecore_memcpy_to(p_hwfn, p_ptt, data.addr, data.local_admin, data.size);
if (params->override_flags & ECORE_DCBX_OVERRIDE_DSCP_CFG) {
OSAL_MEMSET(&dscp_map, 0, sizeof(dscp_map));
ecore_dcbx_set_dscp_params(p_hwfn, &dscp_map, params);
data.addr = p_hwfn->mcp_info->port_addr +
offsetof(struct public_port, dcb_dscp_map);
data.dscp_map = &dscp_map;
data.size = sizeof(struct dcb_dscp_map);
ecore_memcpy_to(p_hwfn, p_ptt, data.addr, data.dscp_map,
data.size);
}
rc = ecore_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_SET_DCBX,
1 << DRV_MB_PARAM_LLDP_SEND_SHIFT, &resp, &param);
if (rc != ECORE_SUCCESS) {
DP_NOTICE(p_hwfn, false,
"Failed to send DCBX update request\n");
return rc;
}
return rc;
}
enum _ecore_status_t ecore_dcbx_get_config_params(struct ecore_hwfn *p_hwfn,
struct ecore_dcbx_set *params)
{
struct ecore_dcbx_get *dcbx_info;
int rc;
if (p_hwfn->p_dcbx_info->set.config.valid) {
OSAL_MEMCPY(params, &p_hwfn->p_dcbx_info->set,
sizeof(struct ecore_dcbx_set));
return ECORE_SUCCESS;
}
dcbx_info = OSAL_ALLOC(p_hwfn->p_dev, GFP_KERNEL,
sizeof(*dcbx_info));
if (!dcbx_info) {
DP_ERR(p_hwfn, "Failed to allocate struct ecore_dcbx_info\n");
return ECORE_NOMEM;
}
OSAL_MEMSET(dcbx_info, 0, sizeof(*dcbx_info));
rc = ecore_dcbx_query_params(p_hwfn, dcbx_info,
ECORE_DCBX_OPERATIONAL_MIB);
if (rc) {
OSAL_FREE(p_hwfn->p_dev, dcbx_info);
return rc;
}
p_hwfn->p_dcbx_info->set.override_flags = 0;
p_hwfn->p_dcbx_info->set.ver_num = DCBX_CONFIG_VERSION_DISABLED;
if (dcbx_info->operational.cee)
p_hwfn->p_dcbx_info->set.ver_num |= DCBX_CONFIG_VERSION_CEE;
if (dcbx_info->operational.ieee)
p_hwfn->p_dcbx_info->set.ver_num |= DCBX_CONFIG_VERSION_IEEE;
if (dcbx_info->operational.local)
p_hwfn->p_dcbx_info->set.ver_num |= DCBX_CONFIG_VERSION_STATIC;
p_hwfn->p_dcbx_info->set.enabled = dcbx_info->operational.enabled;
OSAL_MEMCPY(&p_hwfn->p_dcbx_info->set.config.params,
&dcbx_info->operational.params,
sizeof(struct ecore_dcbx_admin_params));
p_hwfn->p_dcbx_info->set.config.valid = true;
OSAL_MEMCPY(params, &p_hwfn->p_dcbx_info->set,
sizeof(struct ecore_dcbx_set));
OSAL_FREE(p_hwfn->p_dev, dcbx_info);
return ECORE_SUCCESS;
}