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Merge branch 'bnxt_en-dcbnl'

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Michael Chan says:

====================
bnxt_en: Add DCBNL support.

This series adds DCBNL operations to support host-based IEEE DCBX.

v2: Updated to the latest firmware interface spec.

David, please consider this series for net-next.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2016-12-05 13:21:41 -05:00
commit f83e83037c
9 changed files with 1596 additions and 639 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
drivers/net/ethernet/broadcom/Kconfig
View File

@ -203,4 +203,14 @@ config BNXT_SRIOV
Virtualization support in the NetXtreme-C/E products. This
allows for virtual function acceleration in virtual environments.
config BNXT_DCB
bool "Data Center Bridging (DCB) Support"
default n
depends on BNXT && DCB
---help---
Say Y here if you want to use Data Center Bridging (DCB) in the
driver.
If unsure, say N.
endif # NET_VENDOR_BROADCOM

2
drivers/net/ethernet/broadcom/bnxt/Makefile
View File

@ -1,3 +1,3 @@
obj-$(CONFIG_BNXT) += bnxt_en.o
bnxt_en-y := bnxt.o bnxt_sriov.o bnxt_ethtool.o
bnxt_en-y := bnxt.o bnxt_sriov.o bnxt_ethtool.o bnxt_dcb.o

54
drivers/net/ethernet/broadcom/bnxt/bnxt.c
View File

@ -54,6 +54,7 @@
#include "bnxt.h"
#include "bnxt_sriov.h"
#include "bnxt_ethtool.h"
#include "bnxt_dcb.h"
#define BNXT_TX_TIMEOUT (5 * HZ)
@ -186,11 +187,11 @@ static const u16 bnxt_vf_req_snif[] = {
};
static const u16 bnxt_async_events_arr[] = {
HWRM_ASYNC_EVENT_CMPL_EVENT_ID_LINK_STATUS_CHANGE,
HWRM_ASYNC_EVENT_CMPL_EVENT_ID_PF_DRVR_UNLOAD,
HWRM_ASYNC_EVENT_CMPL_EVENT_ID_PORT_CONN_NOT_ALLOWED,
HWRM_ASYNC_EVENT_CMPL_EVENT_ID_VF_CFG_CHANGE,
HWRM_ASYNC_EVENT_CMPL_EVENT_ID_LINK_SPEED_CFG_CHANGE,
ASYNC_EVENT_CMPL_EVENT_ID_LINK_STATUS_CHANGE,
ASYNC_EVENT_CMPL_EVENT_ID_PF_DRVR_UNLOAD,
ASYNC_EVENT_CMPL_EVENT_ID_PORT_CONN_NOT_ALLOWED,
ASYNC_EVENT_CMPL_EVENT_ID_VF_CFG_CHANGE,
ASYNC_EVENT_CMPL_EVENT_ID_LINK_SPEED_CFG_CHANGE,
};
static bool bnxt_vf_pciid(enum board_idx idx)
@ -1476,8 +1477,8 @@ next_rx_no_prod:
}
#define BNXT_GET_EVENT_PORT(data) \
((data) & \
HWRM_ASYNC_EVENT_CMPL_PORT_CONN_NOT_ALLOWED_EVENT_DATA1_PORT_ID_MASK)
((data) & \
ASYNC_EVENT_CMPL_PORT_CONN_NOT_ALLOWED_EVENT_DATA1_PORT_ID_MASK)
static int bnxt_async_event_process(struct bnxt *bp,
struct hwrm_async_event_cmpl *cmpl)
@ -1486,7 +1487,7 @@ static int bnxt_async_event_process(struct bnxt *bp,
/* TODO CHIMP_FW: Define event id's for link change, error etc */
switch (event_id) {
case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_LINK_SPEED_CFG_CHANGE: {
case ASYNC_EVENT_CMPL_EVENT_ID_LINK_SPEED_CFG_CHANGE: {
u32 data1 = le32_to_cpu(cmpl->event_data1);
struct bnxt_link_info *link_info = &bp->link_info;
@ -1502,13 +1503,13 @@ static int bnxt_async_event_process(struct bnxt *bp,
set_bit(BNXT_LINK_SPEED_CHNG_SP_EVENT, &bp->sp_event);
/* fall thru */
}
case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_LINK_STATUS_CHANGE:
case ASYNC_EVENT_CMPL_EVENT_ID_LINK_STATUS_CHANGE:
set_bit(BNXT_LINK_CHNG_SP_EVENT, &bp->sp_event);
break;
case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_PF_DRVR_UNLOAD:
case ASYNC_EVENT_CMPL_EVENT_ID_PF_DRVR_UNLOAD:
set_bit(BNXT_HWRM_PF_UNLOAD_SP_EVENT, &bp->sp_event);
break;
case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_PORT_CONN_NOT_ALLOWED: {
case ASYNC_EVENT_CMPL_EVENT_ID_PORT_CONN_NOT_ALLOWED: {
u32 data1 = le32_to_cpu(cmpl->event_data1);
u16 port_id = BNXT_GET_EVENT_PORT(data1);
@ -1521,7 +1522,7 @@ static int bnxt_async_event_process(struct bnxt *bp,
set_bit(BNXT_HWRM_PORT_MODULE_SP_EVENT, &bp->sp_event);
break;
}
case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_VF_CFG_CHANGE:
case ASYNC_EVENT_CMPL_EVENT_ID_VF_CFG_CHANGE:
if (BNXT_PF(bp))
goto async_event_process_exit;
set_bit(BNXT_RESET_TASK_SILENT_SP_EVENT, &bp->sp_event);
@ -4261,12 +4262,16 @@ static int bnxt_hwrm_queue_qportcfg(struct bnxt *bp)
goto qportcfg_exit;
}
bp->max_tc = resp->max_configurable_queues;
bp->max_lltc = resp->max_configurable_lossless_queues;
if (bp->max_tc > BNXT_MAX_QUEUE)
bp->max_tc = BNXT_MAX_QUEUE;
if (resp->queue_cfg_info & QUEUE_QPORTCFG_RESP_QUEUE_CFG_INFO_ASYM_CFG)
bp->max_tc = 1;
if (bp->max_lltc > bp->max_tc)
bp->max_lltc = bp->max_tc;
qptr = &resp->queue_id0;
for (i = 0; i < bp->max_tc; i++) {
bp->q_info[i].queue_id = *qptr++;
@ -4993,7 +4998,7 @@ static void bnxt_enable_napi(struct bnxt *bp)
}
}
static void bnxt_tx_disable(struct bnxt *bp)
void bnxt_tx_disable(struct bnxt *bp)
{
int i;
struct bnxt_tx_ring_info *txr;
@ -5011,7 +5016,7 @@ static void bnxt_tx_disable(struct bnxt *bp)
netif_carrier_off(bp->dev);
}
static void bnxt_tx_enable(struct bnxt *bp)
void bnxt_tx_enable(struct bnxt *bp)
{
int i;
struct bnxt_tx_ring_info *txr;
@ -6337,17 +6342,10 @@ static int bnxt_change_mtu(struct net_device *dev, int new_mtu)
return 0;
}
static int bnxt_setup_tc(struct net_device *dev, u32 handle, __be16 proto,
struct tc_to_netdev *ntc)
int bnxt_setup_mq_tc(struct net_device *dev, u8 tc)
{
struct bnxt *bp = netdev_priv(dev);
bool sh = false;
u8 tc;
if (ntc->type != TC_SETUP_MQPRIO)
return -EINVAL;
tc = ntc->tc;
if (tc > bp->max_tc) {
netdev_err(dev, "too many traffic classes requested: %d Max supported is %d\n",
@ -6390,6 +6388,15 @@ static int bnxt_setup_tc(struct net_device *dev, u32 handle, __be16 proto,
return 0;
}
static int bnxt_setup_tc(struct net_device *dev, u32 handle, __be16 proto,
struct tc_to_netdev *ntc)
{
if (ntc->type != TC_SETUP_MQPRIO)
return -EINVAL;
return bnxt_setup_mq_tc(dev, ntc->tc);
}
#ifdef CONFIG_RFS_ACCEL
static bool bnxt_fltr_match(struct bnxt_ntuple_filter *f1,
struct bnxt_ntuple_filter *f2)
@ -6680,6 +6687,7 @@ static void bnxt_remove_one(struct pci_dev *pdev)
bnxt_hwrm_func_drv_unrgtr(bp);
bnxt_free_hwrm_resources(bp);
bnxt_dcb_free(bp);
pci_iounmap(pdev, bp->bar2);
pci_iounmap(pdev, bp->bar1);
pci_iounmap(pdev, bp->bar0);
@ -6907,6 +6915,8 @@ static int bnxt_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
dev->min_mtu = ETH_ZLEN;
dev->max_mtu = 9500;
bnxt_dcb_init(bp);
#ifdef CONFIG_BNXT_SRIOV
init_waitqueue_head(&bp->sriov_cfg_wait);
#endif

22
drivers/net/ethernet/broadcom/bnxt/bnxt.h
View File

@ -11,10 +11,10 @@
#define BNXT_H
#define DRV_MODULE_NAME "bnxt_en"
#define DRV_MODULE_VERSION "1.5.0"
#define DRV_MODULE_VERSION "1.6.0"
#define DRV_VER_MAJ 1
#define DRV_VER_MIN 5
#define DRV_VER_MIN 6
#define DRV_VER_UPD 0
struct tx_bd {
@ -1010,6 +1010,7 @@ struct bnxt {
u32 rss_hash_cfg;
u8 max_tc;
u8 max_lltc; /* lossless TCs */
struct bnxt_queue_info q_info[BNXT_MAX_QUEUE];
unsigned int current_interval;
@ -1025,6 +1026,13 @@ struct bnxt {
struct bnxt_irq *irq_tbl;
u8 mac_addr[ETH_ALEN];
#ifdef CONFIG_BNXT_DCB
struct ieee_pfc *ieee_pfc;
struct ieee_ets *ieee_ets;
u8 dcbx_cap;
u8 default_pri;
#endif /* CONFIG_BNXT_DCB */
u32 msg_enable;
u32 hwrm_spec_code;
@ -1116,6 +1124,13 @@ struct bnxt {
u32 lpi_tmr_hi;
};
#define BNXT_RX_STATS_OFFSET(counter) \
(offsetof(struct rx_port_stats, counter) / 8)
#define BNXT_TX_STATS_OFFSET(counter) \
((offsetof(struct tx_port_stats, counter) + \
sizeof(struct rx_port_stats) + 512) / 8)
#ifdef CONFIG_NET_RX_BUSY_POLL
static inline void bnxt_enable_poll(struct bnxt_napi *bnapi)
{
@ -1220,10 +1235,13 @@ int hwrm_send_message(struct bnxt *, void *, u32, int);
int hwrm_send_message_silent(struct bnxt *, void *, u32, int);
int bnxt_hwrm_set_coal(struct bnxt *);
int bnxt_hwrm_func_qcaps(struct bnxt *);
void bnxt_tx_disable(struct bnxt *bp);
void bnxt_tx_enable(struct bnxt *bp);
int bnxt_hwrm_set_pause(struct bnxt *);
int bnxt_hwrm_set_link_setting(struct bnxt *, bool, bool);
int bnxt_hwrm_fw_set_time(struct bnxt *);
int bnxt_open_nic(struct bnxt *, bool, bool);
int bnxt_close_nic(struct bnxt *, bool, bool);
int bnxt_setup_mq_tc(struct net_device *dev, u8 tc);
int bnxt_get_max_rings(struct bnxt *, int *, int *, bool);
#endif

502
drivers/net/ethernet/broadcom/bnxt/bnxt_dcb.c Normal file
View File

@ -0,0 +1,502 @@
/* Broadcom NetXtreme-C/E network driver.
*
* Copyright (c) 2014-2016 Broadcom Corporation
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation.
*/
#include <linux/netdevice.h>
#include <linux/types.h>
#include <linux/errno.h>
#include <linux/rtnetlink.h>
#include <linux/interrupt.h>
#include <linux/pci.h>
#include <linux/etherdevice.h>
#include "bnxt_hsi.h"
#include "bnxt.h"
#include "bnxt_dcb.h"
#ifdef CONFIG_BNXT_DCB
static int bnxt_hwrm_queue_pri2cos_cfg(struct bnxt *bp, struct ieee_ets *ets)
{
struct hwrm_queue_pri2cos_cfg_input req = {0};
int rc = 0, i;
u8 *pri2cos;
bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_QUEUE_PRI2COS_CFG, -1, -1);
req.flags = cpu_to_le32(QUEUE_PRI2COS_CFG_REQ_FLAGS_PATH_BIDIR |
QUEUE_PRI2COS_CFG_REQ_FLAGS_IVLAN);
pri2cos = &req.pri0_cos_queue_id;
for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) {
req.enables |= cpu_to_le32(
QUEUE_PRI2COS_CFG_REQ_ENABLES_PRI0_COS_QUEUE_ID << i);
pri2cos[i] = bp->q_info[ets->prio_tc[i]].queue_id;
}
rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
return rc;
}
static int bnxt_hwrm_queue_pri2cos_qcfg(struct bnxt *bp, struct ieee_ets *ets)
{
struct hwrm_queue_pri2cos_qcfg_output *resp = bp->hwrm_cmd_resp_addr;
struct hwrm_queue_pri2cos_qcfg_input req = {0};
int rc = 0;
bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_QUEUE_PRI2COS_QCFG, -1, -1);
req.flags = cpu_to_le32(QUEUE_PRI2COS_QCFG_REQ_FLAGS_IVLAN);
rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
if (!rc) {
u8 *pri2cos = &resp->pri0_cos_queue_id;
int i, j;
for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) {
u8 queue_id = pri2cos[i];
for (j = 0; j < bp->max_tc; j++) {
if (bp->q_info[j].queue_id == queue_id) {
ets->prio_tc[i] = j;
break;
}
}
}
}
return rc;
}
static int bnxt_hwrm_queue_cos2bw_cfg(struct bnxt *bp, struct ieee_ets *ets,
u8 max_tc)
{
struct hwrm_queue_cos2bw_cfg_input req = {0};
struct bnxt_cos2bw_cfg cos2bw;
int rc = 0, i;
void *data;
bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_QUEUE_COS2BW_CFG, -1, -1);
data = &req.unused_0;
for (i = 0; i < max_tc; i++, data += sizeof(cos2bw) - 4) {
req.enables |= cpu_to_le32(
QUEUE_COS2BW_CFG_REQ_ENABLES_COS_QUEUE_ID0_VALID << i);
memset(&cos2bw, 0, sizeof(cos2bw));
cos2bw.queue_id = bp->q_info[i].queue_id;
if (ets->tc_tsa[i] == IEEE_8021QAZ_TSA_STRICT) {
cos2bw.tsa =
QUEUE_COS2BW_QCFG_RESP_QUEUE_ID0_TSA_ASSIGN_SP;
cos2bw.pri_lvl = i;
} else {
cos2bw.tsa =
QUEUE_COS2BW_QCFG_RESP_QUEUE_ID0_TSA_ASSIGN_ETS;
cos2bw.bw_weight = ets->tc_tx_bw[i];
}
memcpy(data, &cos2bw.queue_id, sizeof(cos2bw) - 4);
if (i == 0) {
req.queue_id0 = cos2bw.queue_id;
req.unused_0 = 0;
}
}
rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
return rc;
}
static int bnxt_hwrm_queue_cos2bw_qcfg(struct bnxt *bp, struct ieee_ets *ets)
{
struct hwrm_queue_cos2bw_qcfg_output *resp = bp->hwrm_cmd_resp_addr;
struct hwrm_queue_cos2bw_qcfg_input req = {0};
struct bnxt_cos2bw_cfg cos2bw;
void *data;
int rc, i;
bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_QUEUE_COS2BW_QCFG, -1, -1);
rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
if (rc)
return rc;
data = &resp->queue_id0 + offsetof(struct bnxt_cos2bw_cfg, queue_id);
for (i = 0; i < bp->max_tc; i++, data += sizeof(cos2bw) - 4) {
int j;
memcpy(&cos2bw.queue_id, data, sizeof(cos2bw) - 4);
if (i == 0)
cos2bw.queue_id = resp->queue_id0;
for (j = 0; j < bp->max_tc; j++) {
if (bp->q_info[j].queue_id != cos2bw.queue_id)
continue;
if (cos2bw.tsa ==
QUEUE_COS2BW_QCFG_RESP_QUEUE_ID0_TSA_ASSIGN_SP) {
ets->tc_tsa[j] = IEEE_8021QAZ_TSA_STRICT;
} else {
ets->tc_tsa[j] = IEEE_8021QAZ_TSA_ETS;
ets->tc_tx_bw[j] = cos2bw.bw_weight;
}
}
}
return 0;
}
static int bnxt_hwrm_queue_cfg(struct bnxt *bp, unsigned int lltc_mask)
{
struct hwrm_queue_cfg_input req = {0};
int i;
if (netif_running(bp->dev))
bnxt_tx_disable(bp);
bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_QUEUE_CFG, -1, -1);
req.flags = cpu_to_le32(QUEUE_CFG_REQ_FLAGS_PATH_BIDIR);
req.enables = cpu_to_le32(QUEUE_CFG_REQ_ENABLES_SERVICE_PROFILE);
/* Configure lossless queues to lossy first */
req.service_profile = QUEUE_CFG_REQ_SERVICE_PROFILE_LOSSY;
for (i = 0; i < bp->max_tc; i++) {
if (BNXT_LLQ(bp->q_info[i].queue_profile)) {
req.queue_id = cpu_to_le32(bp->q_info[i].queue_id);
hwrm_send_message(bp, &req, sizeof(req),
HWRM_CMD_TIMEOUT);
bp->q_info[i].queue_profile =
QUEUE_CFG_REQ_SERVICE_PROFILE_LOSSY;
}
}
/* Now configure desired queues to lossless */
req.service_profile = QUEUE_CFG_REQ_SERVICE_PROFILE_LOSSLESS;
for (i = 0; i < bp->max_tc; i++) {
if (lltc_mask & (1 << i)) {
req.queue_id = cpu_to_le32(bp->q_info[i].queue_id);
hwrm_send_message(bp, &req, sizeof(req),
HWRM_CMD_TIMEOUT);
bp->q_info[i].queue_profile =
QUEUE_CFG_REQ_SERVICE_PROFILE_LOSSLESS;
}
}
if (netif_running(bp->dev))
bnxt_tx_enable(bp);
return 0;
}
static int bnxt_hwrm_queue_pfc_cfg(struct bnxt *bp, struct ieee_pfc *pfc)
{
struct hwrm_queue_pfcenable_cfg_input req = {0};
struct ieee_ets *my_ets = bp->ieee_ets;
unsigned int tc_mask = 0, pri_mask = 0;
u8 i, pri, lltc_count = 0;
bool need_q_recfg = false;
int rc;
if (!my_ets)
return -EINVAL;
for (i = 0; i < bp->max_tc; i++) {
for (pri = 0; pri < IEEE_8021QAZ_MAX_TCS; pri++) {
if ((pfc->pfc_en & (1 << pri)) &&
(my_ets->prio_tc[pri] == i)) {
pri_mask |= 1 << pri;
tc_mask |= 1 << i;
}
}
if (tc_mask & (1 << i))
lltc_count++;
}
if (lltc_count > bp->max_lltc)
return -EINVAL;
bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_QUEUE_PFCENABLE_CFG, -1, -1);
req.flags = cpu_to_le32(pri_mask);
rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
if (rc)
return rc;
for (i = 0; i < bp->max_tc; i++) {
if (tc_mask & (1 << i)) {
if (!BNXT_LLQ(bp->q_info[i].queue_profile))
need_q_recfg = true;
}
}
if (need_q_recfg)
rc = bnxt_hwrm_queue_cfg(bp, tc_mask);
return rc;
}
static int bnxt_hwrm_queue_pfc_qcfg(struct bnxt *bp, struct ieee_pfc *pfc)
{
struct hwrm_queue_pfcenable_qcfg_output *resp = bp->hwrm_cmd_resp_addr;
struct hwrm_queue_pfcenable_qcfg_input req = {0};
u8 pri_mask;
int rc;
bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_QUEUE_PFCENABLE_QCFG, -1, -1);
rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
if (rc)
return rc;
pri_mask = le32_to_cpu(resp->flags);
pfc->pfc_en = pri_mask;
return 0;
}
static int bnxt_ets_validate(struct bnxt *bp, struct ieee_ets *ets, u8 *tc)
{
int total_ets_bw = 0;
u8 max_tc = 0;
int i;
for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) {
if (ets->prio_tc[i] > bp->max_tc) {
netdev_err(bp->dev, "priority to TC mapping exceeds TC count %d\n",
ets->prio_tc[i]);
return -EINVAL;
}
if (ets->prio_tc[i] > max_tc)
max_tc = ets->prio_tc[i];
if ((ets->tc_tx_bw[i] || ets->tc_tsa[i]) && i > bp->max_tc)
return -EINVAL;
switch (ets->tc_tsa[i]) {
case IEEE_8021QAZ_TSA_STRICT:
break;
case IEEE_8021QAZ_TSA_ETS:
total_ets_bw += ets->tc_tx_bw[i];
break;
default:
return -ENOTSUPP;
}
}
if (total_ets_bw > 100)
return -EINVAL;
*tc = max_tc + 1;
return 0;
}
static int bnxt_dcbnl_ieee_getets(struct net_device *dev, struct ieee_ets *ets)
{
struct bnxt *bp = netdev_priv(dev);
struct ieee_ets *my_ets = bp->ieee_ets;
ets->ets_cap = bp->max_tc;
if (!my_ets) {
int rc;
if (bp->dcbx_cap & DCB_CAP_DCBX_HOST)
return 0;
my_ets = kzalloc(sizeof(*my_ets), GFP_KERNEL);
if (!my_ets)
return 0;
rc = bnxt_hwrm_queue_cos2bw_qcfg(bp, my_ets);
if (rc)
return 0;
rc = bnxt_hwrm_queue_pri2cos_qcfg(bp, my_ets);
if (rc)
return 0;
}
ets->cbs = my_ets->cbs;
memcpy(ets->tc_tx_bw, my_ets->tc_tx_bw, sizeof(ets->tc_tx_bw));
memcpy(ets->tc_rx_bw, my_ets->tc_rx_bw, sizeof(ets->tc_rx_bw));
memcpy(ets->tc_tsa, my_ets->tc_tsa, sizeof(ets->tc_tsa));
memcpy(ets->prio_tc, my_ets->prio_tc, sizeof(ets->prio_tc));
return 0;
}
static int bnxt_dcbnl_ieee_setets(struct net_device *dev, struct ieee_ets *ets)
{
struct bnxt *bp = netdev_priv(dev);
struct ieee_ets *my_ets = bp->ieee_ets;
u8 max_tc = 0;
int rc, i;
if (!(bp->dcbx_cap & DCB_CAP_DCBX_VER_IEEE) ||
!(bp->dcbx_cap & DCB_CAP_DCBX_HOST))
return -EINVAL;
rc = bnxt_ets_validate(bp, ets, &max_tc);
if (!rc) {
if (!my_ets) {
my_ets = kzalloc(sizeof(*my_ets), GFP_KERNEL);
if (!my_ets)
return -ENOMEM;
/* initialize PRI2TC mappings to invalid value */
for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++)
my_ets->prio_tc[i] = IEEE_8021QAZ_MAX_TCS;
bp->ieee_ets = my_ets;
}
rc = bnxt_setup_mq_tc(dev, max_tc);
if (rc)
return rc;
rc = bnxt_hwrm_queue_cos2bw_cfg(bp, ets, max_tc);
if (rc)
return rc;
rc = bnxt_hwrm_queue_pri2cos_cfg(bp, ets);
if (rc)
return rc;
memcpy(my_ets, ets, sizeof(*my_ets));
}
return rc;
}
static int bnxt_dcbnl_ieee_getpfc(struct net_device *dev, struct ieee_pfc *pfc)
{
struct bnxt *bp = netdev_priv(dev);
__le64 *stats = (__le64 *)bp->hw_rx_port_stats;
struct ieee_pfc *my_pfc = bp->ieee_pfc;
long rx_off, tx_off;
int i, rc;
pfc->pfc_cap = bp->max_lltc;
if (!my_pfc) {
if (bp->dcbx_cap & DCB_CAP_DCBX_HOST)
return 0;
my_pfc = kzalloc(sizeof(*my_pfc), GFP_KERNEL);
if (!my_pfc)
return 0;
bp->ieee_pfc = my_pfc;
rc = bnxt_hwrm_queue_pfc_qcfg(bp, my_pfc);
if (rc)
return 0;
}
pfc->pfc_en = my_pfc->pfc_en;
pfc->mbc = my_pfc->mbc;
pfc->delay = my_pfc->delay;
if (!stats)
return 0;
rx_off = BNXT_RX_STATS_OFFSET(rx_pfc_ena_frames_pri0);
tx_off = BNXT_TX_STATS_OFFSET(tx_pfc_ena_frames_pri0);
for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++, rx_off++, tx_off++) {
pfc->requests[i] = le64_to_cpu(*(stats + tx_off));
pfc->indications[i] = le64_to_cpu(*(stats + rx_off));
}
return 0;
}
static int bnxt_dcbnl_ieee_setpfc(struct net_device *dev, struct ieee_pfc *pfc)
{
struct bnxt *bp = netdev_priv(dev);
struct ieee_pfc *my_pfc = bp->ieee_pfc;
int rc;
if (!(bp->dcbx_cap & DCB_CAP_DCBX_VER_IEEE) ||
!(bp->dcbx_cap & DCB_CAP_DCBX_HOST))
return -EINVAL;
if (!my_pfc) {
my_pfc = kzalloc(sizeof(*my_pfc), GFP_KERNEL);
if (!my_pfc)
return -ENOMEM;
bp->ieee_pfc = my_pfc;
}
rc = bnxt_hwrm_queue_pfc_cfg(bp, pfc);
if (!rc)
memcpy(my_pfc, pfc, sizeof(*my_pfc));
return rc;
}
static int bnxt_dcbnl_ieee_setapp(struct net_device *dev, struct dcb_app *app)
{
struct bnxt *bp = netdev_priv(dev);
int rc = -EINVAL;
if (!(bp->dcbx_cap & DCB_CAP_DCBX_VER_IEEE) ||
!(bp->dcbx_cap & DCB_CAP_DCBX_HOST))
return -EINVAL;
rc = dcb_ieee_setapp(dev, app);
return rc;
}
static int bnxt_dcbnl_ieee_delapp(struct net_device *dev, struct dcb_app *app)
{
struct bnxt *bp = netdev_priv(dev);
int rc;
if (!(bp->dcbx_cap & DCB_CAP_DCBX_VER_IEEE))
return -EINVAL;
rc = dcb_ieee_delapp(dev, app);
return rc;
}
static u8 bnxt_dcbnl_getdcbx(struct net_device *dev)
{
struct bnxt *bp = netdev_priv(dev);
return bp->dcbx_cap;
}
static u8 bnxt_dcbnl_setdcbx(struct net_device *dev, u8 mode)
{
struct bnxt *bp = netdev_priv(dev);
/* only support IEEE */
if ((mode & DCB_CAP_DCBX_VER_CEE) || !(mode & DCB_CAP_DCBX_VER_IEEE))
return 1;
if ((mode & DCB_CAP_DCBX_HOST) && BNXT_VF(bp))
return 1;
if (mode == bp->dcbx_cap)
return 0;
bp->dcbx_cap = mode;
return 0;
}
static const struct dcbnl_rtnl_ops dcbnl_ops = {
.ieee_getets = bnxt_dcbnl_ieee_getets,
.ieee_setets = bnxt_dcbnl_ieee_setets,
.ieee_getpfc = bnxt_dcbnl_ieee_getpfc,
.ieee_setpfc = bnxt_dcbnl_ieee_setpfc,
.ieee_setapp = bnxt_dcbnl_ieee_setapp,
.ieee_delapp = bnxt_dcbnl_ieee_delapp,
.getdcbx = bnxt_dcbnl_getdcbx,
.setdcbx = bnxt_dcbnl_setdcbx,
};
void bnxt_dcb_init(struct bnxt *bp)
{
if (bp->hwrm_spec_code < 0x10501)
return;
bp->dcbx_cap = DCB_CAP_DCBX_VER_IEEE;
if (BNXT_PF(bp))
bp->dcbx_cap |= DCB_CAP_DCBX_HOST;
else
bp->dcbx_cap |= DCB_CAP_DCBX_LLD_MANAGED;
bp->dev->dcbnl_ops = &dcbnl_ops;
}
void bnxt_dcb_free(struct bnxt *bp)
{
kfree(bp->ieee_pfc);
kfree(bp->ieee_ets);
bp->ieee_pfc = NULL;
bp->ieee_ets = NULL;
}
#else
void bnxt_dcb_init(struct bnxt *bp)
{
}
void bnxt_dcb_free(struct bnxt *bp)
{
}
#endif

41
drivers/net/ethernet/broadcom/bnxt/bnxt_dcb.h Normal file
View File

@ -0,0 +1,41 @@
/* Broadcom NetXtreme-C/E network driver.
*
* Copyright (c) 2014-2016 Broadcom Corporation
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation.
*/
#ifndef BNXT_DCB_H
#define BNXT_DCB_H
#include <net/dcbnl.h>
struct bnxt_dcb {
u8 max_tc;
struct ieee_pfc *ieee_pfc;
struct ieee_ets *ieee_ets;
u8 dcbx_cap;
u8 default_pri;
};
struct bnxt_cos2bw_cfg {
u8 pad[3];
u8 queue_id;
__le32 min_bw;
__le32 max_bw;
u8 tsa;
u8 pri_lvl;
u8 bw_weight;
u8 unused;
};
#define BNXT_LLQ(q_profile) \
((q_profile) == QUEUE_QPORTCFG_RESP_QUEUE_ID0_SERVICE_PROFILE_LOSSLESS)
#define HWRM_STRUCT_DATA_SUBTYPE_HOST_OPERATIONAL 0x0300
void bnxt_dcb_init(struct bnxt *bp);
void bnxt_dcb_free(struct bnxt *bp);
#endif

23
drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c
View File

@ -107,16 +107,9 @@ static int bnxt_set_coalesce(struct net_device *dev,
#define BNXT_NUM_STATS 21
#define BNXT_RX_STATS_OFFSET(counter) \
(offsetof(struct rx_port_stats, counter) / 8)
#define BNXT_RX_STATS_ENTRY(counter) \
{ BNXT_RX_STATS_OFFSET(counter), __stringify(counter) }
#define BNXT_TX_STATS_OFFSET(counter) \
((offsetof(struct tx_port_stats, counter) + \
sizeof(struct rx_port_stats) + 512) / 8)
#define BNXT_TX_STATS_ENTRY(counter) \
{ BNXT_TX_STATS_OFFSET(counter), __stringify(counter) }
@ -150,6 +143,14 @@ static const struct {
BNXT_RX_STATS_ENTRY(rx_tagged_frames),
BNXT_RX_STATS_ENTRY(rx_double_tagged_frames),
BNXT_RX_STATS_ENTRY(rx_good_frames),
BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri0),
BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri1),
BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri2),
BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri3),
BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri4),
BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri5),
BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri6),
BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri7),
BNXT_RX_STATS_ENTRY(rx_undrsz_frames),
BNXT_RX_STATS_ENTRY(rx_eee_lpi_events),
BNXT_RX_STATS_ENTRY(rx_eee_lpi_duration),
@ -179,6 +180,14 @@ static const struct {
BNXT_TX_STATS_ENTRY(tx_fcs_err_frames),
BNXT_TX_STATS_ENTRY(tx_err),
BNXT_TX_STATS_ENTRY(tx_fifo_underruns),
BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri0),
BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri1),
BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri2),
BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri3),
BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri4),
BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri5),
BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri6),
BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri7),
BNXT_TX_STATS_ENTRY(tx_eee_lpi_events),
BNXT_TX_STATS_ENTRY(tx_eee_lpi_duration),
BNXT_TX_STATS_ENTRY(tx_total_collisions),

1573
drivers/net/ethernet/broadcom/bnxt/bnxt_hsi.h
View File

File diff suppressed because it is too large Load Diff

8
drivers/net/ethernet/broadcom/bnxt/bnxt_sriov.c
View File

@ -34,8 +34,7 @@ static int bnxt_hwrm_fwd_async_event_cmpl(struct bnxt *bp,
/* broadcast this async event to all VFs */
req.encap_async_event_target_id = cpu_to_le16(0xffff);
async_cmpl = (struct hwrm_async_event_cmpl *)req.encap_async_event_cmpl;
async_cmpl->type =
cpu_to_le16(HWRM_ASYNC_EVENT_CMPL_TYPE_HWRM_ASYNC_EVENT);
async_cmpl->type = cpu_to_le16(ASYNC_EVENT_CMPL_TYPE_HWRM_ASYNC_EVENT);
async_cmpl->event_id = cpu_to_le16(event_id);
mutex_lock(&bp->hwrm_cmd_lock);
@ -288,7 +287,7 @@ int bnxt_set_vf_link_state(struct net_device *dev, int vf_id, int link)
}
if (vf->flags & (BNXT_VF_LINK_UP | BNXT_VF_LINK_FORCED))
rc = bnxt_hwrm_fwd_async_event_cmpl(bp, vf,
HWRM_ASYNC_EVENT_CMPL_EVENT_ID_LINK_STATUS_CHANGE);
ASYNC_EVENT_CMPL_EVENT_ID_LINK_STATUS_CHANGE);
return rc;
}
@ -578,8 +577,7 @@ void bnxt_sriov_disable(struct bnxt *bp)
if (pci_vfs_assigned(bp->pdev)) {
bnxt_hwrm_fwd_async_event_cmpl(
bp, NULL,
HWRM_ASYNC_EVENT_CMPL_EVENT_ID_PF_DRVR_UNLOAD);
bp, NULL, ASYNC_EVENT_CMPL_EVENT_ID_PF_DRVR_UNLOAD);
netdev_warn(bp->dev, "Unable to free %d VFs because some are assigned to VMs.\n",
num_vfs);
} else {