* [PATCH net-next 3/5] qede: Add support for PTP resource locking.
From: Sudarsana Reddy Kalluru @ 2017-04-26 16:00 UTC (permalink / raw)
To: davem; +Cc: richardcochran, netdev, Yuval.Mintz
In-Reply-To: <20170426160053.8356-1-sudarsana.kalluru@cavium.com>
The patch adds necessary changes to the driver to use qed resource
locking functionality. Currently the ptp initialization is spread
between driver probe/open implementations, associated APIs are
qede_ptp_register_phc()/qede_ptp_start(). Clubbed this functionality
into single API qed_ptp_enable() to simplify the usage of qed resource
locking implementation. The new API will be invoked in the probe path.
Similarly the ptp clean-up code is moved to qede_ptp_disable() which
gets invoked in the driver unload path.
Signed-off-by: Sudarsana Reddy Kalluru <Sudarsana.Kalluru@cavium.com>
Signed-off-by: Yuval Mintz <Yuval.Mintz@cavium.com>
---
drivers/net/ethernet/qlogic/qede/qede_main.c | 18 +---
drivers/net/ethernet/qlogic/qede/qede_ptp.c | 150 +++++++++++++--------------
drivers/net/ethernet/qlogic/qede/qede_ptp.h | 6 +-
3 files changed, 75 insertions(+), 99 deletions(-)
diff --git a/drivers/net/ethernet/qlogic/qede/qede_main.c b/drivers/net/ethernet/qlogic/qede/qede_main.c
index 292e2dc..b9ba23d 100644
--- a/drivers/net/ethernet/qlogic/qede/qede_main.c
+++ b/drivers/net/ethernet/qlogic/qede/qede_main.c
@@ -907,13 +907,8 @@ static int __qede_probe(struct pci_dev *pdev, u32 dp_module, u8 dp_level,
edev->ops->common->set_id(cdev, edev->ndev->name, DRV_MODULE_VERSION);
/* PTP not supported on VFs */
- if (!is_vf) {
- rc = qede_ptp_register_phc(edev);
- if (rc) {
- DP_NOTICE(edev, "Cannot register PHC\n");
- goto err5;
- }
- }
+ if (!is_vf)
+ qede_ptp_enable(edev, true);
edev->ops->register_ops(cdev, &qede_ll_ops, edev);
@@ -928,8 +923,6 @@ static int __qede_probe(struct pci_dev *pdev, u32 dp_module, u8 dp_level,
return 0;
-err5:
- unregister_netdev(edev->ndev);
err4:
qede_roce_dev_remove(edev);
err3:
@@ -980,7 +973,7 @@ static void __qede_remove(struct pci_dev *pdev, enum qede_remove_mode mode)
unregister_netdev(ndev);
cancel_delayed_work_sync(&edev->sp_task);
- qede_ptp_remove(edev);
+ qede_ptp_disable(edev);
qede_roce_dev_remove(edev);
@@ -1877,8 +1870,6 @@ static void qede_unload(struct qede_dev *edev, enum qede_unload_mode mode,
qede_roce_dev_event_close(edev);
edev->state = QEDE_STATE_CLOSED;
- qede_ptp_stop(edev);
-
/* Close OS Tx */
netif_tx_disable(edev->ndev);
netif_carrier_off(edev->ndev);
@@ -1987,13 +1978,10 @@ static int qede_load(struct qede_dev *edev, enum qede_load_mode mode,
qede_roce_dev_event_open(edev);
- qede_ptp_start(edev, (mode == QEDE_LOAD_NORMAL));
-
edev->state = QEDE_STATE_OPEN;
DP_INFO(edev, "Ending successfully qede load\n");
-
goto out;
err4:
qede_sync_free_irqs(edev);
diff --git a/drivers/net/ethernet/qlogic/qede/qede_ptp.c b/drivers/net/ethernet/qlogic/qede/qede_ptp.c
index 2e62dec..6396363 100644
--- a/drivers/net/ethernet/qlogic/qede/qede_ptp.c
+++ b/drivers/net/ethernet/qlogic/qede/qede_ptp.c
@@ -206,21 +206,6 @@ static u64 qede_ptp_read_cc(const struct cyclecounter *cc)
return phc_cycles;
}
-static void qede_ptp_init_cc(struct qede_dev *edev)
-{
- struct qede_ptp *ptp;
-
- ptp = edev->ptp;
- if (!ptp)
- return;
-
- memset(&ptp->cc, 0, sizeof(ptp->cc));
- ptp->cc.read = qede_ptp_read_cc;
- ptp->cc.mask = CYCLECOUNTER_MASK(64);
- ptp->cc.shift = 0;
- ptp->cc.mult = 1;
-}
-
static int qede_ptp_cfg_filters(struct qede_dev *edev)
{
struct qede_ptp *ptp = edev->ptp;
@@ -324,61 +309,6 @@ int qede_ptp_hw_ts(struct qede_dev *edev, struct ifreq *ifr)
sizeof(config)) ? -EFAULT : 0;
}
-/* Called during load, to initialize PTP-related stuff */
-static void qede_ptp_init(struct qede_dev *edev, bool init_tc)
-{
- struct qede_ptp *ptp;
- int rc;
-
- ptp = edev->ptp;
- if (!ptp)
- return;
-
- spin_lock_init(&ptp->lock);
-
- /* Configure PTP in HW */
- rc = ptp->ops->enable(edev->cdev);
- if (rc) {
- DP_ERR(edev, "Stopping PTP initialization\n");
- return;
- }
-
- /* Init work queue for Tx timestamping */
- INIT_WORK(&ptp->work, qede_ptp_task);
-
- /* Init cyclecounter and timecounter. This is done only in the first
- * load. If done in every load, PTP application will fail when doing
- * unload / load (e.g. MTU change) while it is running.
- */
- if (init_tc) {
- qede_ptp_init_cc(edev);
- timecounter_init(&ptp->tc, &ptp->cc,
- ktime_to_ns(ktime_get_real()));
- }
-
- DP_VERBOSE(edev, QED_MSG_DEBUG, "PTP initialization is successful\n");
-}
-
-void qede_ptp_start(struct qede_dev *edev, bool init_tc)
-{
- qede_ptp_init(edev, init_tc);
- qede_ptp_cfg_filters(edev);
-}
-
-void qede_ptp_remove(struct qede_dev *edev)
-{
- struct qede_ptp *ptp;
-
- ptp = edev->ptp;
- if (ptp && ptp->clock) {
- ptp_clock_unregister(ptp->clock);
- ptp->clock = NULL;
- }
-
- kfree(ptp);
- edev->ptp = NULL;
-}
-
int qede_ptp_get_ts_info(struct qede_dev *edev, struct ethtool_ts_info *info)
{
struct qede_ptp *ptp = edev->ptp;
@@ -417,8 +347,7 @@ int qede_ptp_get_ts_info(struct qede_dev *edev, struct ethtool_ts_info *info)
return 0;
}
-/* Called during unload, to stop PTP-related stuff */
-void qede_ptp_stop(struct qede_dev *edev)
+void qede_ptp_disable(struct qede_dev *edev)
{
struct qede_ptp *ptp;
@@ -426,6 +355,11 @@ void qede_ptp_stop(struct qede_dev *edev)
if (!ptp)
return;
+ if (ptp->clock) {
+ ptp_clock_unregister(ptp->clock);
+ ptp->clock = NULL;
+ }
+
/* Cancel PTP work queue. Should be done after the Tx queues are
* drained to prevent additional scheduling.
*/
@@ -439,11 +373,54 @@ void qede_ptp_stop(struct qede_dev *edev)
spin_lock_bh(&ptp->lock);
ptp->ops->disable(edev->cdev);
spin_unlock_bh(&ptp->lock);
+
+ kfree(ptp);
+ edev->ptp = NULL;
}
-int qede_ptp_register_phc(struct qede_dev *edev)
+static int qede_ptp_init(struct qede_dev *edev, bool init_tc)
{
struct qede_ptp *ptp;
+ int rc;
+
+ ptp = edev->ptp;
+ if (!ptp)
+ return -EINVAL;
+
+ spin_lock_init(&ptp->lock);
+
+ /* Configure PTP in HW */
+ rc = ptp->ops->enable(edev->cdev);
+ if (rc) {
+ DP_INFO(edev, "PTP HW enable failed\n");
+ return rc;
+ }
+
+ /* Init work queue for Tx timestamping */
+ INIT_WORK(&ptp->work, qede_ptp_task);
+
+ /* Init cyclecounter and timecounter. This is done only in the first
+ * load. If done in every load, PTP application will fail when doing
+ * unload / load (e.g. MTU change) while it is running.
+ */
+ if (init_tc) {
+ memset(&ptp->cc, 0, sizeof(ptp->cc));
+ ptp->cc.read = qede_ptp_read_cc;
+ ptp->cc.mask = CYCLECOUNTER_MASK(64);
+ ptp->cc.shift = 0;
+ ptp->cc.mult = 1;
+
+ timecounter_init(&ptp->tc, &ptp->cc,
+ ktime_to_ns(ktime_get_real()));
+ }
+
+ return rc;
+}
+
+int qede_ptp_enable(struct qede_dev *edev, bool init_tc)
+{
+ struct qede_ptp *ptp;
+ int rc;
ptp = kzalloc(sizeof(*ptp), GFP_KERNEL);
if (!ptp) {
@@ -454,14 +431,19 @@ int qede_ptp_register_phc(struct qede_dev *edev)
ptp->edev = edev;
ptp->ops = edev->ops->ptp;
if (!ptp->ops) {
- kfree(ptp);
- edev->ptp = NULL;
- DP_ERR(edev, "PTP clock registeration failed\n");
- return -EIO;
+ DP_INFO(edev, "PTP enable failed\n");
+ rc = -EIO;
+ goto err1;
}
edev->ptp = ptp;
+ rc = qede_ptp_init(edev, init_tc);
+ if (rc)
+ goto err1;
+
+ qede_ptp_cfg_filters(edev);
+
/* Fill the ptp_clock_info struct and register PTP clock */
ptp->clock_info.owner = THIS_MODULE;
snprintf(ptp->clock_info.name, 16, "%s", edev->ndev->name);
@@ -478,13 +460,21 @@ int qede_ptp_register_phc(struct qede_dev *edev)
ptp->clock = ptp_clock_register(&ptp->clock_info, &edev->pdev->dev);
if (IS_ERR(ptp->clock)) {
- ptp->clock = NULL;
- kfree(ptp);
- edev->ptp = NULL;
+ rc = -EINVAL;
DP_ERR(edev, "PTP clock registeration failed\n");
+ goto err2;
}
return 0;
+
+err2:
+ qede_ptp_disable(edev);
+ ptp->clock = NULL;
+err1:
+ kfree(ptp);
+ edev->ptp = NULL;
+
+ return rc;
}
void qede_ptp_tx_ts(struct qede_dev *edev, struct sk_buff *skb)
diff --git a/drivers/net/ethernet/qlogic/qede/qede_ptp.h b/drivers/net/ethernet/qlogic/qede/qede_ptp.h
index f328f9b..691a14c 100644
--- a/drivers/net/ethernet/qlogic/qede/qede_ptp.h
+++ b/drivers/net/ethernet/qlogic/qede/qede_ptp.h
@@ -40,10 +40,8 @@
void qede_ptp_rx_ts(struct qede_dev *edev, struct sk_buff *skb);
void qede_ptp_tx_ts(struct qede_dev *edev, struct sk_buff *skb);
int qede_ptp_hw_ts(struct qede_dev *edev, struct ifreq *req);
-void qede_ptp_start(struct qede_dev *edev, bool init_tc);
-void qede_ptp_stop(struct qede_dev *edev);
-void qede_ptp_remove(struct qede_dev *edev);
-int qede_ptp_register_phc(struct qede_dev *edev);
+void qede_ptp_disable(struct qede_dev *edev);
+int qede_ptp_enable(struct qede_dev *edev, bool init_tc);
int qede_ptp_get_ts_info(struct qede_dev *edev, struct ethtool_ts_info *ts);
static inline void qede_ptp_record_rx_ts(struct qede_dev *edev,
--
1.8.3.1
^ permalink raw reply related
* [PATCH net-next 1/5] qed: Add support for MFW resource locking.
From: Sudarsana Reddy Kalluru @ 2017-04-26 16:00 UTC (permalink / raw)
To: davem; +Cc: richardcochran, netdev, Yuval.Mintz
In-Reply-To: <20170426160053.8356-1-sudarsana.kalluru@cavium.com>
The patch adds API for default initialization of the MFW resource
locking.
Signed-off-by: Sudarsana Reddy Kalluru <Sudarsana.Kalluru@cavium.com>
Signed-off-by: Yuval Mintz <Yuval.Mintz@cavium.com>
---
drivers/net/ethernet/qlogic/qed/qed_dev.c | 12 ++----------
drivers/net/ethernet/qlogic/qed/qed_mcp.c | 30 ++++++++++++++++++++++++++++++
drivers/net/ethernet/qlogic/qed/qed_mcp.h | 18 +++++++++++++++++-
3 files changed, 49 insertions(+), 11 deletions(-)
diff --git a/drivers/net/ethernet/qlogic/qed/qed_dev.c b/drivers/net/ethernet/qlogic/qed/qed_dev.c
index ea7931b..2a3ae00 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_dev.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_dev.c
@@ -2347,9 +2347,6 @@ static int qed_hw_set_resc_info(struct qed_hwfn *p_hwfn)
return 0;
}
-#define QED_RESC_ALLOC_LOCK_RETRY_CNT 10
-#define QED_RESC_ALLOC_LOCK_RETRY_INTVL_US 10000 /* 10 msec */
-
static int qed_hw_get_resc(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
{
struct qed_resc_unlock_params resc_unlock_params;
@@ -2366,13 +2363,8 @@ static int qed_hw_get_resc(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
* needed, and proceed to the queries. Other failures, including a
* failure to acquire the lock, will cause this function to fail.
*/
- memset(&resc_lock_params, 0, sizeof(resc_lock_params));
- resc_lock_params.resource = QED_RESC_LOCK_RESC_ALLOC;
- resc_lock_params.retry_num = QED_RESC_ALLOC_LOCK_RETRY_CNT;
- resc_lock_params.retry_interval = QED_RESC_ALLOC_LOCK_RETRY_INTVL_US;
- resc_lock_params.sleep_b4_retry = true;
- memset(&resc_unlock_params, 0, sizeof(resc_unlock_params));
- resc_unlock_params.resource = QED_RESC_LOCK_RESC_ALLOC;
+ qed_mcp_resc_lock_default_init(&resc_lock_params, &resc_unlock_params,
+ QED_RESC_LOCK_RESC_ALLOC, false);
rc = qed_mcp_resc_lock(p_hwfn, p_ptt, &resc_lock_params);
if (rc && rc != -EINVAL) {
diff --git a/drivers/net/ethernet/qlogic/qed/qed_mcp.c b/drivers/net/ethernet/qlogic/qed/qed_mcp.c
index ff6080d..7266b36 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_mcp.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_mcp.c
@@ -2615,3 +2615,33 @@ static int qed_mcp_resource_cmd(struct qed_hwfn *p_hwfn,
return 0;
}
+
+void qed_mcp_resc_lock_default_init(struct qed_resc_lock_params *p_lock,
+ struct qed_resc_unlock_params *p_unlock,
+ enum qed_resc_lock
+ resource, bool b_is_permanent)
+{
+ if (p_lock) {
+ memset(p_lock, 0, sizeof(*p_lock));
+
+ /* Permanent resources don't require aging, and there's no
+ * point in trying to acquire them more than once since it's
+ * unexpected another entity would release them.
+ */
+ if (b_is_permanent) {
+ p_lock->timeout = QED_MCP_RESC_LOCK_TO_NONE;
+ } else {
+ p_lock->retry_num = QED_MCP_RESC_LOCK_RETRY_CNT_DFLT;
+ p_lock->retry_interval =
+ QED_MCP_RESC_LOCK_RETRY_VAL_DFLT;
+ p_lock->sleep_b4_retry = true;
+ }
+
+ p_lock->resource = resource;
+ }
+
+ if (p_unlock) {
+ memset(p_unlock, 0, sizeof(*p_unlock));
+ p_unlock->resource = resource;
+ }
+}
diff --git a/drivers/net/ethernet/qlogic/qed/qed_mcp.h b/drivers/net/ethernet/qlogic/qed/qed_mcp.h
index ac7d406..e8cf597 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_mcp.h
+++ b/drivers/net/ethernet/qlogic/qed/qed_mcp.h
@@ -795,7 +795,8 @@ int qed_mcp_ov_update_eswitch(struct qed_hwfn *p_hwfn,
enum qed_resc_lock {
QED_RESC_LOCK_DBG_DUMP = QED_MCP_RESC_LOCK_MIN_VAL,
- QED_RESC_LOCK_RESC_ALLOC = QED_MCP_RESC_LOCK_MAX_VAL
+ QED_RESC_LOCK_RESC_ALLOC = QED_MCP_RESC_LOCK_MAX_VAL,
+ QED_RESC_LOCK_RESC_INVALID
};
/**
@@ -818,9 +819,11 @@ struct qed_resc_lock_params {
/* Number of times to retry locking */
u8 retry_num;
+#define QED_MCP_RESC_LOCK_RETRY_CNT_DFLT 10
/* The interval in usec between retries */
u16 retry_interval;
+#define QED_MCP_RESC_LOCK_RETRY_VAL_DFLT 10000
/* Use sleep or delay between retries */
bool sleep_b4_retry;
@@ -872,4 +875,17 @@ struct qed_resc_unlock_params {
struct qed_ptt *p_ptt,
struct qed_resc_unlock_params *p_params);
+/**
+ * @brief - default initialization for lock/unlock resource structs
+ *
+ * @param p_lock - lock params struct to be initialized; Can be NULL
+ * @param p_unlock - unlock params struct to be initialized; Can be NULL
+ * @param resource - the requested resource
+ * @paral b_is_permanent - disable retries & aging when set
+ */
+void qed_mcp_resc_lock_default_init(struct qed_resc_lock_params *p_lock,
+ struct qed_resc_unlock_params *p_unlock,
+ enum qed_resc_lock
+ resource, bool b_is_permanent);
+
#endif
--
1.8.3.1
^ permalink raw reply related
* [PATCH net-next 4/5] qed: Remove the un-needed ptp header file.
From: Sudarsana Reddy Kalluru @ 2017-04-26 16:00 UTC (permalink / raw)
To: davem; +Cc: richardcochran, netdev, Yuval.Mintz
In-Reply-To: <20170426160053.8356-1-sudarsana.kalluru@cavium.com>
The patch deletes the qed_ptp.h file which is not required.
Signed-off-by: Sudarsana Reddy Kalluru <Sudarsana.Kalluru@cavium.com>
Signed-off-by: Yuval Mintz <Yuval.Mintz@cavium.com>
---
drivers/net/ethernet/qlogic/qed/qed_ptp.c | 1 -
drivers/net/ethernet/qlogic/qed/qed_ptp.h | 47 -------------------------------
2 files changed, 48 deletions(-)
delete mode 100644 drivers/net/ethernet/qlogic/qed/qed_ptp.h
diff --git a/drivers/net/ethernet/qlogic/qed/qed_ptp.c b/drivers/net/ethernet/qlogic/qed/qed_ptp.c
index 26a9baf..c0a3cbd 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_ptp.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_ptp.c
@@ -35,7 +35,6 @@
#include "qed_hw.h"
#include "qed_l2.h"
#include "qed_mcp.h"
-#include "qed_ptp.h"
#include "qed_reg_addr.h"
/* 16 nano second time quantas to wait before making a Drift adjustment */
diff --git a/drivers/net/ethernet/qlogic/qed/qed_ptp.h b/drivers/net/ethernet/qlogic/qed/qed_ptp.h
deleted file mode 100644
index 63c666d..0000000
--- a/drivers/net/ethernet/qlogic/qed/qed_ptp.h
+++ /dev/null
@@ -1,47 +0,0 @@
-/* QLogic qed NIC Driver
- * Copyright (c) 2015-2017 QLogic Corporation
- *
- * This software is available to you under a choice of one of two
- * licenses. You may choose to be licensed under the terms of the GNU
- * General Public License (GPL) Version 2, available from the file
- * COPYING in the main directory of this source tree, or the
- * OpenIB.org BSD license below:
- *
- * Redistribution and use in source and binary forms, with or
- * without modification, are permitted provided that the following
- * conditions are met:
- *
- * - Redistributions of source code must retain the above
- * copyright notice, this list of conditions and the following
- * disclaimer.
- *
- * - Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following
- * disclaimer in the documentation and /or other materials
- * provided with the distribution.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
- * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
- * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-#ifndef _QED_PTP_H
-#define _QED_PTP_H
-#include <linux/types.h>
-
-int qed_ptp_hwtstamp_tx_on(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt);
-int qed_ptp_cfg_rx_filters(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt,
- enum qed_ptp_filter_type type);
-int qed_ptp_read_rx_ts(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, u64 *ts);
-int qed_ptp_read_tx_ts(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, u64 *ts);
-int qed_ptp_read_cc(struct qed_hwfn *p_hwfn,
- struct qed_ptt *p_ptt, u64 *cycles);
-int qed_ptp_adjfreq(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, s32 ppb);
-int qed_ptp_disable(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt);
-int qed_ptp_enable(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt);
-
-#endif
--
1.8.3.1
^ permalink raw reply related
* [PATCH net-next 0/5] qed*: PTP enhancements.
From: Sudarsana Reddy Kalluru @ 2017-04-26 16:00 UTC (permalink / raw)
To: davem; +Cc: richardcochran, netdev, Yuval.Mintz, Sudarsana Reddy Kalluru
From: Sudarsana Reddy Kalluru <Sudarsana.Kalluru@cavium.com>
The patch series contains set of enhancements for qed/qede ptp
implementation.
Patches (1)-(3) adds resource locking implementation to allow
PTP functionality only on the first detected ethernet PF of the port.
The change is required as the adapter currently supports only one
instance of the PTP client on a given port.
Patch (4) removes the un-needed header file.
Patch (5) moves the ptt-lock get/release logic to the ptp specific
code.
Please consider applying this series to "net-next" branch.
Sudarsana Reddy Kalluru (5):
qed: Add support for MFW resource locking.
qed: Add support for PTP resource locking.
qede: Add support for PTP resource locking.
qed: Remove the un-needed ptp header file.
qed: Acquire/release ptt_ptp lock when enabling/disabling PTP.
drivers/net/ethernet/qlogic/qed/qed.h | 8 +-
drivers/net/ethernet/qlogic/qed/qed_dev.c | 26 +++--
drivers/net/ethernet/qlogic/qed/qed_main.c | 12 ---
drivers/net/ethernet/qlogic/qed/qed_mcp.c | 30 ++++++
drivers/net/ethernet/qlogic/qed/qed_mcp.h | 22 +++-
drivers/net/ethernet/qlogic/qed/qed_ptp.c | 103 +++++++++++++++++-
drivers/net/ethernet/qlogic/qed/qed_ptp.h | 47 ---------
drivers/net/ethernet/qlogic/qede/qede_main.c | 18 +---
drivers/net/ethernet/qlogic/qede/qede_ptp.c | 150 +++++++++++++--------------
drivers/net/ethernet/qlogic/qede/qede_ptp.h | 6 +-
10 files changed, 249 insertions(+), 173 deletions(-)
delete mode 100644 drivers/net/ethernet/qlogic/qed/qed_ptp.h
--
1.8.3.1
^ permalink raw reply
* [PATCH net-next 14/18] net: dsa: mv88e6xxx: add VTU Load/Purge operation
From: Vivien Didelot @ 2017-04-26 15:53 UTC (permalink / raw)
To: netdev
Cc: linux-kernel, kernel, David S. Miller, Florian Fainelli,
Andrew Lunn, Vivien Didelot
In-Reply-To: <20170426155336.5937-1-vivien.didelot@savoirfairelinux.com>
Add a new vtu_loadpurge operation to the chip info structure to differ
the various implementations of the VTU accesses.
Now that the STU handling is abstracted behind VTU operations, kill the
obsolete MV88E6XXX_FLAG_STU flag.
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
---
drivers/net/dsa/mv88e6xxx/chip.c | 80 +++++++++++++--------------------
drivers/net/dsa/mv88e6xxx/global1.h | 4 ++
drivers/net/dsa/mv88e6xxx/global1_vtu.c | 66 +++++++++++++++++++++++++++
drivers/net/dsa/mv88e6xxx/mv88e6xxx.h | 10 +----
4 files changed, 103 insertions(+), 57 deletions(-)
diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c
index 1e14edebc0c7..51c8b2ff9760 100644
--- a/drivers/net/dsa/mv88e6xxx/chip.c
+++ b/drivers/net/dsa/mv88e6xxx/chip.c
@@ -1255,6 +1255,15 @@ static int mv88e6xxx_vtu_getnext(struct mv88e6xxx_chip *chip,
return chip->info->ops->vtu_getnext(chip, entry);
}
+static int mv88e6xxx_vtu_loadpurge(struct mv88e6xxx_chip *chip,
+ struct mv88e6xxx_vtu_entry *entry)
+{
+ if (!chip->info->ops->vtu_loadpurge)
+ return -EOPNOTSUPP;
+
+ return chip->info->ops->vtu_loadpurge(chip, entry);
+}
+
static int mv88e6xxx_port_vlan_dump(struct dsa_switch *ds, int port,
struct switchdev_obj_port_vlan *vlan,
int (*cb)(struct switchdev_obj *obj))
@@ -1308,53 +1317,6 @@ static int mv88e6xxx_port_vlan_dump(struct dsa_switch *ds, int port,
return err;
}
-static int _mv88e6xxx_vtu_loadpurge(struct mv88e6xxx_chip *chip,
- struct mv88e6xxx_vtu_entry *entry)
-{
- u16 op = GLOBAL_VTU_OP_VTU_LOAD_PURGE;
- int err;
-
- err = mv88e6xxx_g1_vtu_op_wait(chip);
- if (err)
- return err;
-
- err = mv88e6xxx_g1_vtu_vid_write(chip, entry);
- if (err)
- return err;
-
- if (!entry->valid)
- goto loadpurge;
-
- /* Write port member tags */
- err = mv88e6185_g1_vtu_data_write(chip, entry);
- if (err)
- return err;
-
- if (mv88e6xxx_has(chip, MV88E6XXX_FLAG_STU)) {
- err = mv88e6xxx_g1_vtu_sid_write(chip, entry);
- if (err)
- return err;
-
- err = mv88e6xxx_g1_vtu_op(chip, GLOBAL_VTU_OP_STU_LOAD_PURGE);
- if (err)
- return err;
- }
-
- if (mv88e6xxx_has(chip, MV88E6XXX_FLAG_G1_VTU_FID)) {
- err = mv88e6xxx_g1_vtu_fid_write(chip, entry);
- if (err)
- return err;
- } else if (mv88e6xxx_num_databases(chip) == 256) {
- /* VTU DBNum[7:4] are located in VTU Operation 11:8, and
- * VTU DBNum[3:0] are located in VTU Operation 3:0
- */
- op |= (entry->fid & 0xf0) << 8;
- op |= entry->fid & 0xf;
- }
-loadpurge:
- return mv88e6xxx_g1_vtu_op(chip, op);
-}
-
static int mv88e6xxx_atu_new(struct mv88e6xxx_chip *chip, u16 *fid)
{
DECLARE_BITMAP(fid_bitmap, MV88E6XXX_N_FID);
@@ -1565,7 +1527,7 @@ static int _mv88e6xxx_port_vlan_add(struct mv88e6xxx_chip *chip, int port,
GLOBAL_VTU_DATA_MEMBER_TAG_UNTAGGED :
GLOBAL_VTU_DATA_MEMBER_TAG_TAGGED;
- return _mv88e6xxx_vtu_loadpurge(chip, &vlan);
+ return mv88e6xxx_vtu_loadpurge(chip, &vlan);
}
static void mv88e6xxx_port_vlan_add(struct dsa_switch *ds, int port,
@@ -1624,7 +1586,7 @@ static int _mv88e6xxx_port_vlan_del(struct mv88e6xxx_chip *chip,
}
}
- err = _mv88e6xxx_vtu_loadpurge(chip, &vlan);
+ err = mv88e6xxx_vtu_loadpurge(chip, &vlan);
if (err)
return err;
@@ -2669,6 +2631,7 @@ static const struct mv88e6xxx_ops mv88e6085_ops = {
.ppu_disable = mv88e6185_g1_ppu_disable,
.reset = mv88e6185_g1_reset,
.vtu_getnext = mv88e6352_g1_vtu_getnext,
+ .vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
};
static const struct mv88e6xxx_ops mv88e6095_ops = {
@@ -2691,6 +2654,7 @@ static const struct mv88e6xxx_ops mv88e6095_ops = {
.ppu_disable = mv88e6185_g1_ppu_disable,
.reset = mv88e6185_g1_reset,
.vtu_getnext = mv88e6185_g1_vtu_getnext,
+ .vtu_loadpurge = mv88e6185_g1_vtu_loadpurge,
};
static const struct mv88e6xxx_ops mv88e6097_ops = {
@@ -2720,6 +2684,7 @@ static const struct mv88e6xxx_ops mv88e6097_ops = {
.mgmt_rsvd2cpu = mv88e6095_g2_mgmt_rsvd2cpu,
.reset = mv88e6352_g1_reset,
.vtu_getnext = mv88e6352_g1_vtu_getnext,
+ .vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
};
static const struct mv88e6xxx_ops mv88e6123_ops = {
@@ -2744,6 +2709,7 @@ static const struct mv88e6xxx_ops mv88e6123_ops = {
.mgmt_rsvd2cpu = mv88e6095_g2_mgmt_rsvd2cpu,
.reset = mv88e6352_g1_reset,
.vtu_getnext = mv88e6352_g1_vtu_getnext,
+ .vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
};
static const struct mv88e6xxx_ops mv88e6131_ops = {
@@ -2774,6 +2740,7 @@ static const struct mv88e6xxx_ops mv88e6131_ops = {
.ppu_disable = mv88e6185_g1_ppu_disable,
.reset = mv88e6185_g1_reset,
.vtu_getnext = mv88e6185_g1_vtu_getnext,
+ .vtu_loadpurge = mv88e6185_g1_vtu_loadpurge,
};
static const struct mv88e6xxx_ops mv88e6141_ops = {
@@ -2806,6 +2773,7 @@ static const struct mv88e6xxx_ops mv88e6141_ops = {
.mgmt_rsvd2cpu = mv88e6390_g1_mgmt_rsvd2cpu,
.reset = mv88e6352_g1_reset,
.vtu_getnext = mv88e6352_g1_vtu_getnext,
+ .vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
};
static const struct mv88e6xxx_ops mv88e6161_ops = {
@@ -2835,6 +2803,7 @@ static const struct mv88e6xxx_ops mv88e6161_ops = {
.mgmt_rsvd2cpu = mv88e6095_g2_mgmt_rsvd2cpu,
.reset = mv88e6352_g1_reset,
.vtu_getnext = mv88e6352_g1_vtu_getnext,
+ .vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
};
static const struct mv88e6xxx_ops mv88e6165_ops = {
@@ -2857,6 +2826,7 @@ static const struct mv88e6xxx_ops mv88e6165_ops = {
.mgmt_rsvd2cpu = mv88e6095_g2_mgmt_rsvd2cpu,
.reset = mv88e6352_g1_reset,
.vtu_getnext = mv88e6352_g1_vtu_getnext,
+ .vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
};
static const struct mv88e6xxx_ops mv88e6171_ops = {
@@ -2887,6 +2857,7 @@ static const struct mv88e6xxx_ops mv88e6171_ops = {
.mgmt_rsvd2cpu = mv88e6095_g2_mgmt_rsvd2cpu,
.reset = mv88e6352_g1_reset,
.vtu_getnext = mv88e6352_g1_vtu_getnext,
+ .vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
};
static const struct mv88e6xxx_ops mv88e6172_ops = {
@@ -2919,6 +2890,7 @@ static const struct mv88e6xxx_ops mv88e6172_ops = {
.mgmt_rsvd2cpu = mv88e6095_g2_mgmt_rsvd2cpu,
.reset = mv88e6352_g1_reset,
.vtu_getnext = mv88e6352_g1_vtu_getnext,
+ .vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
};
static const struct mv88e6xxx_ops mv88e6175_ops = {
@@ -2949,6 +2921,7 @@ static const struct mv88e6xxx_ops mv88e6175_ops = {
.mgmt_rsvd2cpu = mv88e6095_g2_mgmt_rsvd2cpu,
.reset = mv88e6352_g1_reset,
.vtu_getnext = mv88e6352_g1_vtu_getnext,
+ .vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
};
static const struct mv88e6xxx_ops mv88e6176_ops = {
@@ -2981,6 +2954,7 @@ static const struct mv88e6xxx_ops mv88e6176_ops = {
.mgmt_rsvd2cpu = mv88e6095_g2_mgmt_rsvd2cpu,
.reset = mv88e6352_g1_reset,
.vtu_getnext = mv88e6352_g1_vtu_getnext,
+ .vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
};
static const struct mv88e6xxx_ops mv88e6185_ops = {
@@ -3007,6 +2981,7 @@ static const struct mv88e6xxx_ops mv88e6185_ops = {
.ppu_disable = mv88e6185_g1_ppu_disable,
.reset = mv88e6185_g1_reset,
.vtu_getnext = mv88e6185_g1_vtu_getnext,
+ .vtu_loadpurge = mv88e6185_g1_vtu_loadpurge,
};
static const struct mv88e6xxx_ops mv88e6190_ops = {
@@ -3129,6 +3104,7 @@ static const struct mv88e6xxx_ops mv88e6240_ops = {
.mgmt_rsvd2cpu = mv88e6095_g2_mgmt_rsvd2cpu,
.reset = mv88e6352_g1_reset,
.vtu_getnext = mv88e6352_g1_vtu_getnext,
+ .vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
};
static const struct mv88e6xxx_ops mv88e6290_ops = {
@@ -3190,6 +3166,7 @@ static const struct mv88e6xxx_ops mv88e6320_ops = {
.mgmt_rsvd2cpu = mv88e6095_g2_mgmt_rsvd2cpu,
.reset = mv88e6352_g1_reset,
.vtu_getnext = mv88e6185_g1_vtu_getnext,
+ .vtu_loadpurge = mv88e6185_g1_vtu_loadpurge,
};
static const struct mv88e6xxx_ops mv88e6321_ops = {
@@ -3219,6 +3196,7 @@ static const struct mv88e6xxx_ops mv88e6321_ops = {
.g1_set_egress_port = mv88e6095_g1_set_egress_port,
.reset = mv88e6352_g1_reset,
.vtu_getnext = mv88e6185_g1_vtu_getnext,
+ .vtu_loadpurge = mv88e6185_g1_vtu_loadpurge,
};
static const struct mv88e6xxx_ops mv88e6341_ops = {
@@ -3251,6 +3229,7 @@ static const struct mv88e6xxx_ops mv88e6341_ops = {
.mgmt_rsvd2cpu = mv88e6390_g1_mgmt_rsvd2cpu,
.reset = mv88e6352_g1_reset,
.vtu_getnext = mv88e6352_g1_vtu_getnext,
+ .vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
};
static const struct mv88e6xxx_ops mv88e6350_ops = {
@@ -3281,6 +3260,7 @@ static const struct mv88e6xxx_ops mv88e6350_ops = {
.mgmt_rsvd2cpu = mv88e6095_g2_mgmt_rsvd2cpu,
.reset = mv88e6352_g1_reset,
.vtu_getnext = mv88e6352_g1_vtu_getnext,
+ .vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
};
static const struct mv88e6xxx_ops mv88e6351_ops = {
@@ -3311,6 +3291,7 @@ static const struct mv88e6xxx_ops mv88e6351_ops = {
.mgmt_rsvd2cpu = mv88e6095_g2_mgmt_rsvd2cpu,
.reset = mv88e6352_g1_reset,
.vtu_getnext = mv88e6352_g1_vtu_getnext,
+ .vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
};
static const struct mv88e6xxx_ops mv88e6352_ops = {
@@ -3343,6 +3324,7 @@ static const struct mv88e6xxx_ops mv88e6352_ops = {
.mgmt_rsvd2cpu = mv88e6095_g2_mgmt_rsvd2cpu,
.reset = mv88e6352_g1_reset,
.vtu_getnext = mv88e6352_g1_vtu_getnext,
+ .vtu_loadpurge = mv88e6352_g1_vtu_loadpurge,
};
static const struct mv88e6xxx_ops mv88e6390_ops = {
diff --git a/drivers/net/dsa/mv88e6xxx/global1.h b/drivers/net/dsa/mv88e6xxx/global1.h
index 780ee8241dbf..60dd7079c756 100644
--- a/drivers/net/dsa/mv88e6xxx/global1.h
+++ b/drivers/net/dsa/mv88e6xxx/global1.h
@@ -76,8 +76,12 @@ int mv88e6xxx_g1_vtu_stu_get(struct mv88e6xxx_chip *chip,
struct mv88e6xxx_vtu_entry *vtu);
int mv88e6185_g1_vtu_getnext(struct mv88e6xxx_chip *chip,
struct mv88e6xxx_vtu_entry *entry);
+int mv88e6185_g1_vtu_loadpurge(struct mv88e6xxx_chip *chip,
+ struct mv88e6xxx_vtu_entry *entry);
int mv88e6352_g1_vtu_getnext(struct mv88e6xxx_chip *chip,
struct mv88e6xxx_vtu_entry *entry);
+int mv88e6352_g1_vtu_loadpurge(struct mv88e6xxx_chip *chip,
+ struct mv88e6xxx_vtu_entry *entry);
int mv88e6xxx_g1_vtu_flush(struct mv88e6xxx_chip *chip);
#endif /* _MV88E6XXX_GLOBAL1_H */
diff --git a/drivers/net/dsa/mv88e6xxx/global1_vtu.c b/drivers/net/dsa/mv88e6xxx/global1_vtu.c
index 7f505aba1983..b594407ce4f7 100644
--- a/drivers/net/dsa/mv88e6xxx/global1_vtu.c
+++ b/drivers/net/dsa/mv88e6xxx/global1_vtu.c
@@ -296,6 +296,72 @@ int mv88e6352_g1_vtu_getnext(struct mv88e6xxx_chip *chip,
return 0;
}
+int mv88e6185_g1_vtu_loadpurge(struct mv88e6xxx_chip *chip,
+ struct mv88e6xxx_vtu_entry *entry)
+{
+ u16 op = GLOBAL_VTU_OP_VTU_LOAD_PURGE;
+ int err;
+
+ err = mv88e6xxx_g1_vtu_op_wait(chip);
+ if (err)
+ return err;
+
+ err = mv88e6xxx_g1_vtu_vid_write(chip, entry);
+ if (err)
+ return err;
+
+ if (entry->valid) {
+ err = mv88e6185_g1_vtu_data_write(chip, entry);
+ if (err)
+ return err;
+
+ /* VTU DBNum[3:0] are located in VTU Operation 3:0
+ * VTU DBNum[7:4] are located in VTU Operation 11:8
+ */
+ op |= entry->fid & 0x000f;
+ op |= (entry->fid & 0x00f0) << 8;
+ }
+
+ return mv88e6xxx_g1_vtu_op(chip, op);
+}
+
+int mv88e6352_g1_vtu_loadpurge(struct mv88e6xxx_chip *chip,
+ struct mv88e6xxx_vtu_entry *entry)
+{
+ int err;
+
+ err = mv88e6xxx_g1_vtu_op_wait(chip);
+ if (err)
+ return err;
+
+ err = mv88e6xxx_g1_vtu_vid_write(chip, entry);
+ if (err)
+ return err;
+
+ if (entry->valid) {
+ /* Write MemberTag and PortState data */
+ err = mv88e6185_g1_vtu_data_write(chip, entry);
+ if (err)
+ return err;
+
+ err = mv88e6xxx_g1_vtu_sid_write(chip, entry);
+ if (err)
+ return err;
+
+ /* Load STU entry */
+ err = mv88e6xxx_g1_vtu_op(chip, GLOBAL_VTU_OP_STU_LOAD_PURGE);
+ if (err)
+ return err;
+
+ err = mv88e6xxx_g1_vtu_fid_write(chip, entry);
+ if (err)
+ return err;
+ }
+
+ /* Load/Purge VTU entry */
+ return mv88e6xxx_g1_vtu_op(chip, GLOBAL_VTU_OP_VTU_LOAD_PURGE);
+}
+
int mv88e6xxx_g1_vtu_flush(struct mv88e6xxx_chip *chip)
{
int err;
diff --git a/drivers/net/dsa/mv88e6xxx/mv88e6xxx.h b/drivers/net/dsa/mv88e6xxx/mv88e6xxx.h
index b356f2875643..a0d57b10acfe 100644
--- a/drivers/net/dsa/mv88e6xxx/mv88e6xxx.h
+++ b/drivers/net/dsa/mv88e6xxx/mv88e6xxx.h
@@ -566,8 +566,6 @@ enum mv88e6xxx_cap {
#define MV88E6XXX_FLAG_G2_IRL_DATA BIT_ULL(MV88E6XXX_CAP_G2_IRL_DATA)
#define MV88E6XXX_FLAG_G2_POT BIT_ULL(MV88E6XXX_CAP_G2_POT)
-#define MV88E6XXX_FLAG_STU BIT_ULL(MV88E6XXX_CAP_STU)
-
/* Ingress Rate Limit unit */
#define MV88E6XXX_FLAGS_IRL \
(MV88E6XXX_FLAG_G2_IRL_CMD | \
@@ -595,7 +593,6 @@ enum mv88e6xxx_cap {
MV88E6XXX_FLAG_G2_MGMT_EN_2X | \
MV88E6XXX_FLAG_G2_MGMT_EN_0X | \
MV88E6XXX_FLAG_G2_POT | \
- MV88E6XXX_FLAG_STU | \
MV88E6XXX_FLAGS_IRL | \
MV88E6XXX_FLAGS_MULTI_CHIP)
@@ -606,7 +603,6 @@ enum mv88e6xxx_cap {
MV88E6XXX_FLAG_G2_MGMT_EN_2X | \
MV88E6XXX_FLAG_G2_MGMT_EN_0X | \
MV88E6XXX_FLAG_G2_POT | \
- MV88E6XXX_FLAG_STU | \
MV88E6XXX_FLAGS_IRL | \
MV88E6XXX_FLAGS_MULTI_CHIP)
@@ -631,7 +627,6 @@ enum mv88e6xxx_cap {
MV88E6XXX_FLAG_GLOBAL2 | \
MV88E6XXX_FLAG_G2_INT | \
MV88E6XXX_FLAG_G2_POT | \
- MV88E6XXX_FLAG_STU | \
MV88E6XXX_FLAGS_IRL | \
MV88E6XXX_FLAGS_MULTI_CHIP | \
MV88E6XXX_FLAGS_SERDES)
@@ -643,7 +638,6 @@ enum mv88e6xxx_cap {
MV88E6XXX_FLAG_G2_MGMT_EN_2X | \
MV88E6XXX_FLAG_G2_MGMT_EN_0X | \
MV88E6XXX_FLAG_G2_POT | \
- MV88E6XXX_FLAG_STU | \
MV88E6XXX_FLAGS_IRL | \
MV88E6XXX_FLAGS_MULTI_CHIP)
@@ -655,7 +649,6 @@ enum mv88e6xxx_cap {
MV88E6XXX_FLAG_G2_MGMT_EN_2X | \
MV88E6XXX_FLAG_G2_MGMT_EN_0X | \
MV88E6XXX_FLAG_G2_POT | \
- MV88E6XXX_FLAG_STU | \
MV88E6XXX_FLAGS_IRL | \
MV88E6XXX_FLAGS_MULTI_CHIP | \
MV88E6XXX_FLAGS_SERDES)
@@ -664,7 +657,6 @@ enum mv88e6xxx_cap {
(MV88E6XXX_FLAG_EEE | \
MV88E6XXX_FLAG_GLOBAL2 | \
MV88E6XXX_FLAG_G2_INT | \
- MV88E6XXX_FLAG_STU | \
MV88E6XXX_FLAGS_IRL | \
MV88E6XXX_FLAGS_MULTI_CHIP)
@@ -894,6 +886,8 @@ struct mv88e6xxx_ops {
/* VLAN Translation Unit operations */
int (*vtu_getnext)(struct mv88e6xxx_chip *chip,
struct mv88e6xxx_vtu_entry *entry);
+ int (*vtu_loadpurge)(struct mv88e6xxx_chip *chip,
+ struct mv88e6xxx_vtu_entry *entry);
};
struct mv88e6xxx_irq_ops {
--
2.12.2
^ permalink raw reply related
* [PATCH net-next 03/18] net: dsa: mv88e6xxx: move VTU Operation accessors
From: Vivien Didelot @ 2017-04-26 15:53 UTC (permalink / raw)
To: netdev
Cc: linux-kernel, kernel, David S. Miller, Florian Fainelli,
Andrew Lunn, Vivien Didelot
In-Reply-To: <20170426155336.5937-1-vivien.didelot@savoirfairelinux.com>
Move the helper functions to access the Global 1 VTU Operation register
to a new global1_vtu.c file, and get rid of the old underscore prefix
naming convention. This file will be extended will all VTU/STU related
code.
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
---
drivers/net/dsa/mv88e6xxx/Makefile | 1 +
drivers/net/dsa/mv88e6xxx/chip.c | 39 +++++++++------------------------
drivers/net/dsa/mv88e6xxx/global1.h | 3 +++
drivers/net/dsa/mv88e6xxx/global1_vtu.c | 33 ++++++++++++++++++++++++++++
4 files changed, 47 insertions(+), 29 deletions(-)
create mode 100644 drivers/net/dsa/mv88e6xxx/global1_vtu.c
diff --git a/drivers/net/dsa/mv88e6xxx/Makefile b/drivers/net/dsa/mv88e6xxx/Makefile
index 31d37a90cec7..6edd869c8d6f 100644
--- a/drivers/net/dsa/mv88e6xxx/Makefile
+++ b/drivers/net/dsa/mv88e6xxx/Makefile
@@ -2,5 +2,6 @@ obj-$(CONFIG_NET_DSA_MV88E6XXX) += mv88e6xxx.o
mv88e6xxx-objs := chip.o
mv88e6xxx-objs += global1.o
mv88e6xxx-objs += global1_atu.o
+mv88e6xxx-objs += global1_vtu.o
mv88e6xxx-$(CONFIG_NET_DSA_MV88E6XXX_GLOBAL2) += global2.o
mv88e6xxx-objs += port.o
diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c
index f025d3c22dba..bf0350432337 100644
--- a/drivers/net/dsa/mv88e6xxx/chip.c
+++ b/drivers/net/dsa/mv88e6xxx/chip.c
@@ -3,9 +3,6 @@
*
* Copyright (c) 2008 Marvell Semiconductor
*
- * Copyright (c) 2015 CMC Electronics, Inc.
- * Added support for VLAN Table Unit operations
- *
* Copyright (c) 2016 Andrew Lunn <andrew@lunn.ch>
*
* Copyright (c) 2016-2017 Savoir-faire Linux Inc.
@@ -1266,31 +1263,15 @@ static void mv88e6xxx_port_fast_age(struct dsa_switch *ds, int port)
netdev_err(ds->ports[port].netdev, "failed to flush ATU\n");
}
-static int _mv88e6xxx_vtu_wait(struct mv88e6xxx_chip *chip)
-{
- return mv88e6xxx_g1_wait(chip, GLOBAL_VTU_OP, GLOBAL_VTU_OP_BUSY);
-}
-
-static int _mv88e6xxx_vtu_cmd(struct mv88e6xxx_chip *chip, u16 op)
-{
- int err;
-
- err = mv88e6xxx_g1_write(chip, GLOBAL_VTU_OP, op);
- if (err)
- return err;
-
- return _mv88e6xxx_vtu_wait(chip);
-}
-
static int _mv88e6xxx_vtu_stu_flush(struct mv88e6xxx_chip *chip)
{
int ret;
- ret = _mv88e6xxx_vtu_wait(chip);
+ ret = mv88e6xxx_g1_vtu_op_wait(chip);
if (ret < 0)
return ret;
- return _mv88e6xxx_vtu_cmd(chip, GLOBAL_VTU_OP_FLUSH_ALL);
+ return mv88e6xxx_g1_vtu_op(chip, GLOBAL_VTU_OP_FLUSH_ALL);
}
static int _mv88e6xxx_vtu_stu_data_read(struct mv88e6xxx_chip *chip,
@@ -1380,11 +1361,11 @@ static int _mv88e6xxx_vtu_getnext(struct mv88e6xxx_chip *chip,
u16 val;
int err;
- err = _mv88e6xxx_vtu_wait(chip);
+ err = mv88e6xxx_g1_vtu_op_wait(chip);
if (err)
return err;
- err = _mv88e6xxx_vtu_cmd(chip, GLOBAL_VTU_OP_VTU_GET_NEXT);
+ err = mv88e6xxx_g1_vtu_op(chip, GLOBAL_VTU_OP_VTU_GET_NEXT);
if (err)
return err;
@@ -1493,7 +1474,7 @@ static int _mv88e6xxx_vtu_loadpurge(struct mv88e6xxx_chip *chip,
u16 reg = 0;
int err;
- err = _mv88e6xxx_vtu_wait(chip);
+ err = mv88e6xxx_g1_vtu_op_wait(chip);
if (err)
return err;
@@ -1532,7 +1513,7 @@ static int _mv88e6xxx_vtu_loadpurge(struct mv88e6xxx_chip *chip,
if (err)
return err;
- return _mv88e6xxx_vtu_cmd(chip, op);
+ return mv88e6xxx_g1_vtu_op(chip, op);
}
static int _mv88e6xxx_stu_getnext(struct mv88e6xxx_chip *chip, u8 sid,
@@ -1542,7 +1523,7 @@ static int _mv88e6xxx_stu_getnext(struct mv88e6xxx_chip *chip, u8 sid,
u16 val;
int err;
- err = _mv88e6xxx_vtu_wait(chip);
+ err = mv88e6xxx_g1_vtu_op_wait(chip);
if (err)
return err;
@@ -1551,7 +1532,7 @@ static int _mv88e6xxx_stu_getnext(struct mv88e6xxx_chip *chip, u8 sid,
if (err)
return err;
- err = _mv88e6xxx_vtu_cmd(chip, GLOBAL_VTU_OP_STU_GET_NEXT);
+ err = mv88e6xxx_g1_vtu_op(chip, GLOBAL_VTU_OP_STU_GET_NEXT);
if (err)
return err;
@@ -1583,7 +1564,7 @@ static int _mv88e6xxx_stu_loadpurge(struct mv88e6xxx_chip *chip,
u16 reg = 0;
int err;
- err = _mv88e6xxx_vtu_wait(chip);
+ err = mv88e6xxx_g1_vtu_op_wait(chip);
if (err)
return err;
@@ -1606,7 +1587,7 @@ static int _mv88e6xxx_stu_loadpurge(struct mv88e6xxx_chip *chip,
if (err)
return err;
- return _mv88e6xxx_vtu_cmd(chip, GLOBAL_VTU_OP_STU_LOAD_PURGE);
+ return mv88e6xxx_g1_vtu_op(chip, GLOBAL_VTU_OP_STU_LOAD_PURGE);
}
static int mv88e6xxx_atu_new(struct mv88e6xxx_chip *chip, u16 *fid)
diff --git a/drivers/net/dsa/mv88e6xxx/global1.h b/drivers/net/dsa/mv88e6xxx/global1.h
index e30cbe480d5b..c153d07d2065 100644
--- a/drivers/net/dsa/mv88e6xxx/global1.h
+++ b/drivers/net/dsa/mv88e6xxx/global1.h
@@ -50,4 +50,7 @@ int mv88e6xxx_g1_atu_flush(struct mv88e6xxx_chip *chip, u16 fid, bool all);
int mv88e6xxx_g1_atu_remove(struct mv88e6xxx_chip *chip, u16 fid, int port,
bool all);
+int mv88e6xxx_g1_vtu_op_wait(struct mv88e6xxx_chip *chip);
+int mv88e6xxx_g1_vtu_op(struct mv88e6xxx_chip *chip, u16 op);
+
#endif /* _MV88E6XXX_GLOBAL1_H */
diff --git a/drivers/net/dsa/mv88e6xxx/global1_vtu.c b/drivers/net/dsa/mv88e6xxx/global1_vtu.c
new file mode 100644
index 000000000000..20dfdcbda238
--- /dev/null
+++ b/drivers/net/dsa/mv88e6xxx/global1_vtu.c
@@ -0,0 +1,33 @@
+/*
+ * Marvell 88E6xxx VLAN [Spanning Tree] Translation Unit (VTU [STU]) support
+ *
+ * Copyright (c) 2008 Marvell Semiconductor
+ * Copyright (c) 2015 CMC Electronics, Inc.
+ * Copyright (c) 2017 Savoir-faire Linux, Inc.
+ *
+ * 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; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#include "mv88e6xxx.h"
+#include "global1.h"
+
+/* Offset 0x05: VTU Operation Register */
+
+int mv88e6xxx_g1_vtu_op_wait(struct mv88e6xxx_chip *chip)
+{
+ return mv88e6xxx_g1_wait(chip, GLOBAL_VTU_OP, GLOBAL_VTU_OP_BUSY);
+}
+
+int mv88e6xxx_g1_vtu_op(struct mv88e6xxx_chip *chip, u16 op)
+{
+ int err;
+
+ err = mv88e6xxx_g1_write(chip, GLOBAL_VTU_OP, op);
+ if (err)
+ return err;
+
+ return mv88e6xxx_g1_vtu_op_wait(chip);
+}
--
2.12.2
^ permalink raw reply related
* [PATCH net-next 18/18] net: dsa: mv88e6xxx: add VTU support for 88E6390
From: Vivien Didelot @ 2017-04-26 15:53 UTC (permalink / raw)
To: netdev
Cc: linux-kernel, kernel, David S. Miller, Florian Fainelli,
Andrew Lunn, Vivien Didelot
In-Reply-To: <20170426155336.5937-1-vivien.didelot@savoirfairelinux.com>
The 6390 family of chips use only 2 of the 3 VTU Data registers to pack
the MemberTag and PortState VLAN data. This means that they must be
written or read before or after each VTU/STU operations.
Implement this variant to add support for VTU with such chips. These
chips have a 13th bit for the VID thus set their max_vid to 8191.
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
---
drivers/net/dsa/mv88e6xxx/chip.c | 18 +++++
drivers/net/dsa/mv88e6xxx/global1.h | 4 ++
drivers/net/dsa/mv88e6xxx/global1_vtu.c | 124 ++++++++++++++++++++++++++++++++
3 files changed, 146 insertions(+)
diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c
index aede0194e341..19581d783d8e 100644
--- a/drivers/net/dsa/mv88e6xxx/chip.c
+++ b/drivers/net/dsa/mv88e6xxx/chip.c
@@ -2998,6 +2998,8 @@ static const struct mv88e6xxx_ops mv88e6190_ops = {
.watchdog_ops = &mv88e6390_watchdog_ops,
.mgmt_rsvd2cpu = mv88e6390_g1_mgmt_rsvd2cpu,
.reset = mv88e6352_g1_reset,
+ .vtu_getnext = mv88e6390_g1_vtu_getnext,
+ .vtu_loadpurge = mv88e6390_g1_vtu_loadpurge,
};
static const struct mv88e6xxx_ops mv88e6190x_ops = {
@@ -3028,6 +3030,8 @@ static const struct mv88e6xxx_ops mv88e6190x_ops = {
.watchdog_ops = &mv88e6390_watchdog_ops,
.mgmt_rsvd2cpu = mv88e6390_g1_mgmt_rsvd2cpu,
.reset = mv88e6352_g1_reset,
+ .vtu_getnext = mv88e6390_g1_vtu_getnext,
+ .vtu_loadpurge = mv88e6390_g1_vtu_loadpurge,
};
static const struct mv88e6xxx_ops mv88e6191_ops = {
@@ -3058,6 +3062,8 @@ static const struct mv88e6xxx_ops mv88e6191_ops = {
.watchdog_ops = &mv88e6390_watchdog_ops,
.mgmt_rsvd2cpu = mv88e6390_g1_mgmt_rsvd2cpu,
.reset = mv88e6352_g1_reset,
+ .vtu_getnext = mv88e6390_g1_vtu_getnext,
+ .vtu_loadpurge = mv88e6390_g1_vtu_loadpurge,
};
static const struct mv88e6xxx_ops mv88e6240_ops = {
@@ -3122,6 +3128,8 @@ static const struct mv88e6xxx_ops mv88e6290_ops = {
.watchdog_ops = &mv88e6390_watchdog_ops,
.mgmt_rsvd2cpu = mv88e6390_g1_mgmt_rsvd2cpu,
.reset = mv88e6352_g1_reset,
+ .vtu_getnext = mv88e6390_g1_vtu_getnext,
+ .vtu_loadpurge = mv88e6390_g1_vtu_loadpurge,
};
static const struct mv88e6xxx_ops mv88e6320_ops = {
@@ -3344,6 +3352,8 @@ static const struct mv88e6xxx_ops mv88e6390_ops = {
.watchdog_ops = &mv88e6390_watchdog_ops,
.mgmt_rsvd2cpu = mv88e6390_g1_mgmt_rsvd2cpu,
.reset = mv88e6352_g1_reset,
+ .vtu_getnext = mv88e6390_g1_vtu_getnext,
+ .vtu_loadpurge = mv88e6390_g1_vtu_loadpurge,
};
static const struct mv88e6xxx_ops mv88e6390x_ops = {
@@ -3376,6 +3386,8 @@ static const struct mv88e6xxx_ops mv88e6390x_ops = {
.watchdog_ops = &mv88e6390_watchdog_ops,
.mgmt_rsvd2cpu = mv88e6390_g1_mgmt_rsvd2cpu,
.reset = mv88e6352_g1_reset,
+ .vtu_getnext = mv88e6390_g1_vtu_getnext,
+ .vtu_loadpurge = mv88e6390_g1_vtu_loadpurge,
};
static const struct mv88e6xxx_info mv88e6xxx_table[] = {
@@ -3615,6 +3627,7 @@ static const struct mv88e6xxx_info mv88e6xxx_table[] = {
.name = "Marvell 88E6190",
.num_databases = 4096,
.num_ports = 11, /* 10 + Z80 */
+ .max_vid = 8191,
.port_base_addr = 0x0,
.global1_addr = 0x1b,
.tag_protocol = DSA_TAG_PROTO_DSA,
@@ -3632,6 +3645,7 @@ static const struct mv88e6xxx_info mv88e6xxx_table[] = {
.name = "Marvell 88E6190X",
.num_databases = 4096,
.num_ports = 11, /* 10 + Z80 */
+ .max_vid = 8191,
.port_base_addr = 0x0,
.global1_addr = 0x1b,
.age_time_coeff = 3750,
@@ -3649,6 +3663,7 @@ static const struct mv88e6xxx_info mv88e6xxx_table[] = {
.name = "Marvell 88E6191",
.num_databases = 4096,
.num_ports = 11, /* 10 + Z80 */
+ .max_vid = 8191,
.port_base_addr = 0x0,
.global1_addr = 0x1b,
.age_time_coeff = 3750,
@@ -3684,6 +3699,7 @@ static const struct mv88e6xxx_info mv88e6xxx_table[] = {
.name = "Marvell 88E6290",
.num_databases = 4096,
.num_ports = 11, /* 10 + Z80 */
+ .max_vid = 8191,
.port_base_addr = 0x0,
.global1_addr = 0x1b,
.age_time_coeff = 3750,
@@ -3806,6 +3822,7 @@ static const struct mv88e6xxx_info mv88e6xxx_table[] = {
.name = "Marvell 88E6390",
.num_databases = 4096,
.num_ports = 11, /* 10 + Z80 */
+ .max_vid = 8191,
.port_base_addr = 0x0,
.global1_addr = 0x1b,
.age_time_coeff = 3750,
@@ -3822,6 +3839,7 @@ static const struct mv88e6xxx_info mv88e6xxx_table[] = {
.name = "Marvell 88E6390X",
.num_databases = 4096,
.num_ports = 11, /* 10 + Z80 */
+ .max_vid = 8191,
.port_base_addr = 0x0,
.global1_addr = 0x1b,
.age_time_coeff = 3750,
diff --git a/drivers/net/dsa/mv88e6xxx/global1.h b/drivers/net/dsa/mv88e6xxx/global1.h
index 82e9812b8ba7..46a4ea0f8c47 100644
--- a/drivers/net/dsa/mv88e6xxx/global1.h
+++ b/drivers/net/dsa/mv88e6xxx/global1.h
@@ -58,6 +58,10 @@ int mv88e6352_g1_vtu_getnext(struct mv88e6xxx_chip *chip,
struct mv88e6xxx_vtu_entry *entry);
int mv88e6352_g1_vtu_loadpurge(struct mv88e6xxx_chip *chip,
struct mv88e6xxx_vtu_entry *entry);
+int mv88e6390_g1_vtu_getnext(struct mv88e6xxx_chip *chip,
+ struct mv88e6xxx_vtu_entry *entry);
+int mv88e6390_g1_vtu_loadpurge(struct mv88e6xxx_chip *chip,
+ struct mv88e6xxx_vtu_entry *entry);
int mv88e6xxx_g1_vtu_flush(struct mv88e6xxx_chip *chip);
#endif /* _MV88E6XXX_GLOBAL1_H */
diff --git a/drivers/net/dsa/mv88e6xxx/global1_vtu.c b/drivers/net/dsa/mv88e6xxx/global1_vtu.c
index 2ad080291208..c5c405d9f156 100644
--- a/drivers/net/dsa/mv88e6xxx/global1_vtu.c
+++ b/drivers/net/dsa/mv88e6xxx/global1_vtu.c
@@ -179,6 +179,56 @@ static int mv88e6185_g1_vtu_data_write(struct mv88e6xxx_chip *chip,
return 0;
}
+static int mv88e6390_g1_vtu_data_read(struct mv88e6xxx_chip *chip, u8 *data)
+{
+ u16 regs[2];
+ int i;
+
+ /* Read the 2 VTU/STU Data registers */
+ for (i = 0; i < 2; ++i) {
+ u16 *reg = ®s[i];
+ int err;
+
+ err = mv88e6xxx_g1_read(chip, GLOBAL_VTU_DATA_0_3 + i, reg);
+ if (err)
+ return err;
+ }
+
+ /* Extract data */
+ for (i = 0; i < mv88e6xxx_num_ports(chip); ++i) {
+ unsigned int offset = (i % 8) * 2;
+
+ data[i] = (regs[i / 8] >> offset) & 0x3;
+ }
+
+ return 0;
+}
+
+static int mv88e6390_g1_vtu_data_write(struct mv88e6xxx_chip *chip, u8 *data)
+{
+ u16 regs[2] = { 0 };
+ int i;
+
+ /* Insert data */
+ for (i = 0; i < mv88e6xxx_num_ports(chip); ++i) {
+ unsigned int offset = (i % 8) * 2;
+
+ regs[i / 8] |= (data[i] & 0x3) << offset;
+ }
+
+ /* Write the 2 VTU/STU Data registers */
+ for (i = 0; i < 2; ++i) {
+ u16 reg = regs[i];
+ int err;
+
+ err = mv88e6xxx_g1_write(chip, GLOBAL_VTU_DATA_0_3 + i, reg);
+ if (err)
+ return err;
+ }
+
+ return 0;
+}
+
/* VLAN Translation Unit Operations */
static int mv88e6xxx_g1_vtu_stu_getnext(struct mv88e6xxx_chip *chip,
@@ -303,6 +353,38 @@ int mv88e6352_g1_vtu_getnext(struct mv88e6xxx_chip *chip,
return 0;
}
+int mv88e6390_g1_vtu_getnext(struct mv88e6xxx_chip *chip,
+ struct mv88e6xxx_vtu_entry *entry)
+{
+ int err;
+
+ /* Fetch VLAN MemberTag data from the VTU */
+ err = mv88e6xxx_g1_vtu_getnext(chip, entry);
+ if (err)
+ return err;
+
+ if (entry->valid) {
+ err = mv88e6390_g1_vtu_data_read(chip, entry->member);
+ if (err)
+ return err;
+
+ /* Fetch VLAN PortState data from the STU */
+ err = mv88e6xxx_g1_vtu_stu_get(chip, entry);
+ if (err)
+ return err;
+
+ err = mv88e6390_g1_vtu_data_read(chip, entry->state);
+ if (err)
+ return err;
+
+ err = mv88e6xxx_g1_vtu_fid_read(chip, entry);
+ if (err)
+ return err;
+ }
+
+ return 0;
+}
+
int mv88e6185_g1_vtu_loadpurge(struct mv88e6xxx_chip *chip,
struct mv88e6xxx_vtu_entry *entry)
{
@@ -369,6 +451,48 @@ int mv88e6352_g1_vtu_loadpurge(struct mv88e6xxx_chip *chip,
return mv88e6xxx_g1_vtu_op(chip, GLOBAL_VTU_OP_VTU_LOAD_PURGE);
}
+int mv88e6390_g1_vtu_loadpurge(struct mv88e6xxx_chip *chip,
+ struct mv88e6xxx_vtu_entry *entry)
+{
+ int err;
+
+ err = mv88e6xxx_g1_vtu_op_wait(chip);
+ if (err)
+ return err;
+
+ err = mv88e6xxx_g1_vtu_vid_write(chip, entry);
+ if (err)
+ return err;
+
+ if (entry->valid) {
+ /* Write PortState data */
+ err = mv88e6390_g1_vtu_data_write(chip, entry->state);
+ if (err)
+ return err;
+
+ err = mv88e6xxx_g1_vtu_sid_write(chip, entry);
+ if (err)
+ return err;
+
+ /* Load STU entry */
+ err = mv88e6xxx_g1_vtu_op(chip, GLOBAL_VTU_OP_STU_LOAD_PURGE);
+ if (err)
+ return err;
+
+ /* Write MemberTag data */
+ err = mv88e6390_g1_vtu_data_write(chip, entry->member);
+ if (err)
+ return err;
+
+ err = mv88e6xxx_g1_vtu_fid_write(chip, entry);
+ if (err)
+ return err;
+ }
+
+ /* Load/Purge VTU entry */
+ return mv88e6xxx_g1_vtu_op(chip, GLOBAL_VTU_OP_VTU_LOAD_PURGE);
+}
+
int mv88e6xxx_g1_vtu_flush(struct mv88e6xxx_chip *chip)
{
int err;
--
2.12.2
^ permalink raw reply related
* Re: [Patch net 3/3] team: use a larger struct for mac address
From: Jarod Wilson @ 2017-04-26 15:55 UTC (permalink / raw)
To: Jiri Pirko, Cong Wang; +Cc: netdev, andreyknvl
In-Reply-To: <20170426054033.GA1867@nanopsycho.orion>
On 2017-04-26 1:40 AM, Jiri Pirko wrote:
> Wed, Apr 26, 2017 at 07:03:23AM CEST, xiyou.wangcong@gmail.com wrote:
>> IPv6 tunnels use sizeof(struct in6_addr) as dev->addr_len,
>> but in many places especially bonding, we use struct sockaddr
>> to copy and set mac addr, this could lead to stack out-of-bounds
>> access.
>>
>> Fix it by using a larger address storage.
>>
>> Reported-by: Andrey Konovalov <andreyknvl@google.com>
>> Cc: Jiri Pirko <jiri@resnulli.us>
>> Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
>> ---
>> drivers/net/team/team.c | 9 ++++++---
>> 1 file changed, 6 insertions(+), 3 deletions(-)
>>
>> diff --git a/drivers/net/team/team.c b/drivers/net/team/team.c
>> index 85c0124..88878f1 100644
>> --- a/drivers/net/team/team.c
>> +++ b/drivers/net/team/team.c
>> @@ -60,10 +60,13 @@ static struct team_port *team_port_get_rtnl(const struct net_device *dev)
>> static int __set_port_dev_addr(struct net_device *port_dev,
>> const unsigned char *dev_addr)
>> {
>> - struct sockaddr addr;
>> + struct {
>> + unsigned short type;
>> + unsigned char addr[MAX_ADDR_LEN];
>> + } addr;
>
> Wouldn't it make sense to define this struct somewhere in the core
> headers?
We already have struct sockaddr_storage that could be used throughout
this set as well. We just converted a few pieces of the bonding driver
over to using it for better support of ipoib bonds, via commit
faeeb317a5615076dff1ff44b51e862e6064dbd0. Might be better to just use
that in both bonding and team, rather than having different per-driver
structs, or Yet Another Address Storage implementation.
--
Jarod Wilson
jarod@redhat.com
^ permalink raw reply
* [PATCH net-next 08/18] net: dsa: mv88e6xxx: move generic VTU GetNext
From: Vivien Didelot @ 2017-04-26 15:53 UTC (permalink / raw)
To: netdev
Cc: linux-kernel, kernel, David S. Miller, Florian Fainelli,
Andrew Lunn, Vivien Didelot
In-Reply-To: <20170426155336.5937-1-vivien.didelot@savoirfairelinux.com>
Even though every switch model has a different way to access the VTU
Data bits, the base implementation of the VTU GetNext operation remains
the same: wait, write the first VID to iterate from, start the
operation, and read the next VID.
Move this generic implementation into global_vtu.c and abstract the
handling of the start VID (similarly to the ATU GetNext implementation),
before introducing a new chip operation for specific chips.
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
---
drivers/net/dsa/mv88e6xxx/chip.c | 31 ++-----------------------------
drivers/net/dsa/mv88e6xxx/global1.h | 2 ++
drivers/net/dsa/mv88e6xxx/global1_vtu.c | 23 +++++++++++++++++++++++
3 files changed, 27 insertions(+), 29 deletions(-)
diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c
index dce490e78347..70b420e134ce 100644
--- a/drivers/net/dsa/mv88e6xxx/chip.c
+++ b/drivers/net/dsa/mv88e6xxx/chip.c
@@ -1340,19 +1340,11 @@ static int mv88e6xxx_stu_data_write(struct mv88e6xxx_chip *chip,
static int _mv88e6xxx_vtu_getnext(struct mv88e6xxx_chip *chip,
struct mv88e6xxx_vtu_entry *entry)
{
- struct mv88e6xxx_vtu_entry next = { 0 };
+ struct mv88e6xxx_vtu_entry next = *entry;
u16 val;
int err;
- err = mv88e6xxx_g1_vtu_op_wait(chip);
- if (err)
- return err;
-
- err = mv88e6xxx_g1_vtu_op(chip, GLOBAL_VTU_OP_VTU_GET_NEXT);
- if (err)
- return err;
-
- err = mv88e6xxx_g1_vtu_vid_read(chip, &next);
+ err = mv88e6xxx_g1_vtu_getnext(chip, &next);
if (err)
return err;
@@ -1416,10 +1408,6 @@ static int mv88e6xxx_port_vlan_dump(struct dsa_switch *ds, int port,
if (err)
goto unlock;
- err = mv88e6xxx_g1_vtu_vid_write(chip, &next);
- if (err)
- goto unlock;
-
do {
err = _mv88e6xxx_vtu_getnext(chip, &next);
if (err)
@@ -1582,10 +1570,6 @@ static int mv88e6xxx_atu_new(struct mv88e6xxx_chip *chip, u16 *fid)
}
/* Set every FID bit used by the VLAN entries */
- err = mv88e6xxx_g1_vtu_vid_write(chip, &vlan);
- if (err)
- return err;
-
do {
err = _mv88e6xxx_vtu_getnext(chip, &vlan);
if (err)
@@ -1668,9 +1652,6 @@ static int _mv88e6xxx_vtu_get(struct mv88e6xxx_chip *chip, u16 vid,
entry->vid = vid - 1;
entry->valid = false;
- err = mv88e6xxx_g1_vtu_vid_write(chip, entry);
- if (err)
- return err;
err = _mv88e6xxx_vtu_getnext(chip, entry);
if (err)
@@ -1703,10 +1684,6 @@ static int mv88e6xxx_port_check_hw_vlan(struct dsa_switch *ds, int port,
mutex_lock(&chip->reg_lock);
- err = mv88e6xxx_g1_vtu_vid_write(chip, &vlan);
- if (err)
- goto unlock;
-
do {
err = _mv88e6xxx_vtu_getnext(chip, &vlan);
if (err)
@@ -2065,10 +2042,6 @@ static int mv88e6xxx_port_db_dump(struct mv88e6xxx_chip *chip, int port,
return err;
/* Dump VLANs' Filtering Information Databases */
- err = mv88e6xxx_g1_vtu_vid_write(chip, &vlan);
- if (err)
- return err;
-
do {
err = _mv88e6xxx_vtu_getnext(chip, &vlan);
if (err)
diff --git a/drivers/net/dsa/mv88e6xxx/global1.h b/drivers/net/dsa/mv88e6xxx/global1.h
index 22fe22bd82cd..66216848fc0d 100644
--- a/drivers/net/dsa/mv88e6xxx/global1.h
+++ b/drivers/net/dsa/mv88e6xxx/global1.h
@@ -64,6 +64,8 @@ int mv88e6xxx_g1_vtu_vid_write(struct mv88e6xxx_chip *chip,
struct mv88e6xxx_vtu_entry *entry);
int mv88e6xxx_g1_vtu_op_wait(struct mv88e6xxx_chip *chip);
int mv88e6xxx_g1_vtu_op(struct mv88e6xxx_chip *chip, u16 op);
+int mv88e6xxx_g1_vtu_getnext(struct mv88e6xxx_chip *chip,
+ struct mv88e6xxx_vtu_entry *entry);
int mv88e6xxx_g1_vtu_flush(struct mv88e6xxx_chip *chip);
#endif /* _MV88E6XXX_GLOBAL1_H */
diff --git a/drivers/net/dsa/mv88e6xxx/global1_vtu.c b/drivers/net/dsa/mv88e6xxx/global1_vtu.c
index 6ac3d0eeae6b..efe43d7d9e10 100644
--- a/drivers/net/dsa/mv88e6xxx/global1_vtu.c
+++ b/drivers/net/dsa/mv88e6xxx/global1_vtu.c
@@ -113,6 +113,29 @@ int mv88e6xxx_g1_vtu_vid_write(struct mv88e6xxx_chip *chip,
/* VLAN Translation Unit Operations */
+int mv88e6xxx_g1_vtu_getnext(struct mv88e6xxx_chip *chip,
+ struct mv88e6xxx_vtu_entry *entry)
+{
+ int err;
+
+ err = mv88e6xxx_g1_vtu_op_wait(chip);
+ if (err)
+ return err;
+
+ /* Write the VID to iterate from only once */
+ if (!entry->valid) {
+ err = mv88e6xxx_g1_vtu_vid_write(chip, entry);
+ if (err)
+ return err;
+ }
+
+ err = mv88e6xxx_g1_vtu_op(chip, GLOBAL_VTU_OP_VTU_GET_NEXT);
+ if (err)
+ return err;
+
+ return mv88e6xxx_g1_vtu_vid_read(chip, entry);
+}
+
int mv88e6xxx_g1_vtu_flush(struct mv88e6xxx_chip *chip)
{
int err;
--
2.12.2
^ permalink raw reply related
* [PATCH net-next 16/18] net: dsa: mv88e6xxx: simplify VTU entry getter
From: Vivien Didelot @ 2017-04-26 15:53 UTC (permalink / raw)
To: netdev
Cc: linux-kernel, kernel, David S. Miller, Florian Fainelli,
Andrew Lunn, Vivien Didelot
In-Reply-To: <20170426155336.5937-1-vivien.didelot@savoirfairelinux.com>
Make the code which fetches or initializes a new VTU entry more concise.
This allows us the get rid of the old underscore prefix naming.
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
---
drivers/net/dsa/mv88e6xxx/chip.c | 64 ++++++++++++++++------------------------
1 file changed, 25 insertions(+), 39 deletions(-)
diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c
index 51c8b2ff9760..aede0194e341 100644
--- a/drivers/net/dsa/mv88e6xxx/chip.c
+++ b/drivers/net/dsa/mv88e6xxx/chip.c
@@ -1359,33 +1359,8 @@ static int mv88e6xxx_atu_new(struct mv88e6xxx_chip *chip, u16 *fid)
return mv88e6xxx_g1_atu_flush(chip, *fid, true);
}
-static int _mv88e6xxx_vtu_new(struct mv88e6xxx_chip *chip, u16 vid,
- struct mv88e6xxx_vtu_entry *entry)
-{
- struct dsa_switch *ds = chip->ds;
- struct mv88e6xxx_vtu_entry vlan = {
- .valid = true,
- .vid = vid,
- };
- int i, err;
-
- err = mv88e6xxx_atu_new(chip, &vlan.fid);
- if (err)
- return err;
-
- /* exclude all ports except the CPU and DSA ports */
- for (i = 0; i < mv88e6xxx_num_ports(chip); ++i)
- vlan.member[i] = dsa_is_cpu_port(ds, i) ||
- dsa_is_dsa_port(ds, i)
- ? GLOBAL_VTU_DATA_MEMBER_TAG_UNMODIFIED
- : GLOBAL_VTU_DATA_MEMBER_TAG_NON_MEMBER;
-
- *entry = vlan;
- return 0;
-}
-
-static int _mv88e6xxx_vtu_get(struct mv88e6xxx_chip *chip, u16 vid,
- struct mv88e6xxx_vtu_entry *entry, bool creat)
+static int mv88e6xxx_vtu_get(struct mv88e6xxx_chip *chip, u16 vid,
+ struct mv88e6xxx_vtu_entry *entry, bool new)
{
int err;
@@ -1399,17 +1374,28 @@ static int _mv88e6xxx_vtu_get(struct mv88e6xxx_chip *chip, u16 vid,
if (err)
return err;
- if (entry->vid != vid || !entry->valid) {
- if (!creat)
- return -EOPNOTSUPP;
- /* -ENOENT would've been more appropriate, but switchdev expects
- * -EOPNOTSUPP to inform bridge about an eventual software VLAN.
- */
-
- err = _mv88e6xxx_vtu_new(chip, vid, entry);
+ if (entry->vid == vid && entry->valid)
+ return 0;
+
+ if (new) {
+ int i;
+
+ /* Initialize a fresh VLAN entry */
+ memset(entry, 0, sizeof(*entry));
+ entry->valid = true;
+ entry->vid = vid;
+
+ /* Include only CPU and DSA ports */
+ for (i = 0; i < mv88e6xxx_num_ports(chip); ++i)
+ entry->member[i] = dsa_is_normal_port(chip->ds, i) ?
+ GLOBAL_VTU_DATA_MEMBER_TAG_NON_MEMBER :
+ GLOBAL_VTU_DATA_MEMBER_TAG_UNMODIFIED;
+
+ return mv88e6xxx_atu_new(chip, &entry->fid);
}
- return err;
+ /* switchdev expects -EOPNOTSUPP to honor software VLANs */
+ return -EOPNOTSUPP;
}
static int mv88e6xxx_port_check_hw_vlan(struct dsa_switch *ds, int port,
@@ -1519,7 +1505,7 @@ static int _mv88e6xxx_port_vlan_add(struct mv88e6xxx_chip *chip, int port,
struct mv88e6xxx_vtu_entry vlan;
int err;
- err = _mv88e6xxx_vtu_get(chip, vid, &vlan, true);
+ err = mv88e6xxx_vtu_get(chip, vid, &vlan, true);
if (err)
return err;
@@ -1564,7 +1550,7 @@ static int _mv88e6xxx_port_vlan_del(struct mv88e6xxx_chip *chip,
struct mv88e6xxx_vtu_entry vlan;
int i, err;
- err = _mv88e6xxx_vtu_get(chip, vid, &vlan, false);
+ err = mv88e6xxx_vtu_get(chip, vid, &vlan, false);
if (err)
return err;
@@ -1639,7 +1625,7 @@ static int mv88e6xxx_port_db_load_purge(struct mv88e6xxx_chip *chip, int port,
if (vid == 0)
err = mv88e6xxx_port_get_fid(chip, port, &vlan.fid);
else
- err = _mv88e6xxx_vtu_get(chip, vid, &vlan, false);
+ err = mv88e6xxx_vtu_get(chip, vid, &vlan, false);
if (err)
return err;
--
2.12.2
^ permalink raw reply related
* [PATCH net-next 12/18] net: dsa: mv88e6xxx: load STU entry with VTU entry
From: Vivien Didelot @ 2017-04-26 15:53 UTC (permalink / raw)
To: netdev
Cc: linux-kernel, kernel, David S. Miller, Florian Fainelli,
Andrew Lunn, Vivien Didelot
In-Reply-To: <20170426155336.5937-1-vivien.didelot@savoirfairelinux.com>
Now that the code writes both VTU and STU data when loading a VTU entry,
load the corresponding STU entry at the same time.
This allows us to get rid of the STU management in the
_mv88e6xxx_vtu_new helper and thus remove the separate implementations
of STU Load/Purge and STU GetNext, as well as the unused family checks.
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
---
drivers/net/dsa/mv88e6xxx/chip.c | 108 ++-------------------------------------
1 file changed, 4 insertions(+), 104 deletions(-)
diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c
index 38c3e047fbf9..fc30a3e3df47 100644
--- a/drivers/net/dsa/mv88e6xxx/chip.c
+++ b/drivers/net/dsa/mv88e6xxx/chip.c
@@ -677,31 +677,6 @@ static int mv88e6xxx_phy_ppu_write(struct mv88e6xxx_chip *chip,
return err;
}
-static bool mv88e6xxx_6097_family(struct mv88e6xxx_chip *chip)
-{
- return chip->info->family == MV88E6XXX_FAMILY_6097;
-}
-
-static bool mv88e6xxx_6165_family(struct mv88e6xxx_chip *chip)
-{
- return chip->info->family == MV88E6XXX_FAMILY_6165;
-}
-
-static bool mv88e6xxx_6341_family(struct mv88e6xxx_chip *chip)
-{
- return chip->info->family == MV88E6XXX_FAMILY_6341;
-}
-
-static bool mv88e6xxx_6351_family(struct mv88e6xxx_chip *chip)
-{
- return chip->info->family == MV88E6XXX_FAMILY_6351;
-}
-
-static bool mv88e6xxx_6352_family(struct mv88e6xxx_chip *chip)
-{
- return chip->info->family == MV88E6XXX_FAMILY_6352;
-}
-
static int mv88e6xxx_port_setup_mac(struct mv88e6xxx_chip *chip, int port,
int link, int speed, int duplex,
phy_interface_t mode)
@@ -1393,6 +1368,10 @@ static int _mv88e6xxx_vtu_loadpurge(struct mv88e6xxx_chip *chip,
err = mv88e6xxx_g1_vtu_sid_write(chip, entry);
if (err)
return err;
+
+ err = mv88e6xxx_g1_vtu_op(chip, GLOBAL_VTU_OP_STU_LOAD_PURGE);
+ if (err)
+ return err;
}
if (mv88e6xxx_has(chip, MV88E6XXX_FLAG_G1_VTU_FID)) {
@@ -1410,60 +1389,6 @@ static int _mv88e6xxx_vtu_loadpurge(struct mv88e6xxx_chip *chip,
return mv88e6xxx_g1_vtu_op(chip, op);
}
-static int _mv88e6xxx_stu_getnext(struct mv88e6xxx_chip *chip, u8 sid,
- struct mv88e6xxx_vtu_entry *entry)
-{
- struct mv88e6xxx_vtu_entry next = {
- .sid = sid,
- };
- int err;
-
- err = mv88e6xxx_g1_vtu_op_wait(chip);
- if (err)
- return err;
-
- err = mv88e6xxx_g1_vtu_stu_getnext(chip, &next);
- if (err)
- return err;
-
- if (next.valid) {
- err = mv88e6185_g1_vtu_data_read(chip, &next);
- if (err)
- return err;
- }
-
- *entry = next;
- return 0;
-}
-
-static int _mv88e6xxx_stu_loadpurge(struct mv88e6xxx_chip *chip,
- struct mv88e6xxx_vtu_entry *entry)
-{
- int err;
-
- err = mv88e6xxx_g1_vtu_op_wait(chip);
- if (err)
- return err;
-
- if (!entry->valid)
- goto loadpurge;
-
- /* Write port states */
- err = mv88e6185_g1_vtu_data_write(chip, entry);
- if (err)
- return err;
-loadpurge:
- err = mv88e6xxx_g1_vtu_vid_write(chip, entry);
- if (err)
- return err;
-
- err = mv88e6xxx_g1_vtu_sid_write(chip, entry);
- if (err)
- return err;
-
- return mv88e6xxx_g1_vtu_op(chip, GLOBAL_VTU_OP_STU_LOAD_PURGE);
-}
-
static int mv88e6xxx_atu_new(struct mv88e6xxx_chip *chip, u16 *fid)
{
DECLARE_BITMAP(fid_bitmap, MV88E6XXX_N_FID);
@@ -1527,31 +1452,6 @@ static int _mv88e6xxx_vtu_new(struct mv88e6xxx_chip *chip, u16 vid,
? GLOBAL_VTU_DATA_MEMBER_TAG_UNMODIFIED
: GLOBAL_VTU_DATA_MEMBER_TAG_NON_MEMBER;
- if (mv88e6xxx_6097_family(chip) || mv88e6xxx_6165_family(chip) ||
- mv88e6xxx_6351_family(chip) || mv88e6xxx_6352_family(chip) ||
- mv88e6xxx_6341_family(chip)) {
- struct mv88e6xxx_vtu_entry vstp;
-
- /* Adding a VTU entry requires a valid STU entry. As VSTP is not
- * implemented, only one STU entry is needed to cover all VTU
- * entries. Thus, validate the SID 0.
- */
- vlan.sid = 0;
- err = _mv88e6xxx_stu_getnext(chip, GLOBAL_VTU_SID_MASK, &vstp);
- if (err)
- return err;
-
- if (vstp.sid != vlan.sid || !vstp.valid) {
- memset(&vstp, 0, sizeof(vstp));
- vstp.valid = true;
- vstp.sid = vlan.sid;
-
- err = _mv88e6xxx_stu_loadpurge(chip, &vstp);
- if (err)
- return err;
- }
- }
-
*entry = vlan;
return 0;
}
--
2.12.2
^ permalink raw reply related
* [PATCH net-next 02/18] net: dsa: mv88e6xxx: split VTU entry data member
From: Vivien Didelot @ 2017-04-26 15:53 UTC (permalink / raw)
To: netdev
Cc: linux-kernel, kernel, David S. Miller, Florian Fainelli,
Andrew Lunn, Vivien Didelot
In-Reply-To: <20170426155336.5937-1-vivien.didelot@savoirfairelinux.com>
VLAN aware Marvell chips can program 802.1Q VLAN membership as well as
802.1s per VLAN Spanning Tree state using the same 3 VTU Data registers.
Some chips such as 88E6185 use different Data registers offsets for
ports state and membership, and program them in a single operation.
Other chips such as 88E6352 use the same register layout but program
them in distinct operations (an indirect table is used for 802.1s.)
Newer chips such as 88E6390 use the same offsets for both state and
membership in distinct operations, thus require multiple data accesses.
To correctly abstract this, split the "data" structure member of
mv88e6xxx_vtu_entry in two "state" and "member" members, before adding
VTU support for newer chips.
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
---
drivers/net/dsa/mv88e6xxx/chip.c | 21 +++++++++++----------
drivers/net/dsa/mv88e6xxx/mv88e6xxx.h | 3 ++-
2 files changed, 13 insertions(+), 11 deletions(-)
diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c
index e45ddf3e90e8..f025d3c22dba 100644
--- a/drivers/net/dsa/mv88e6xxx/chip.c
+++ b/drivers/net/dsa/mv88e6xxx/chip.c
@@ -1312,7 +1312,7 @@ static int _mv88e6xxx_vtu_stu_data_read(struct mv88e6xxx_chip *chip,
unsigned int shift = (i % 4) * 4 + nibble_offset;
u16 reg = regs[i / 4];
- entry->data[i] = (reg >> shift) & GLOBAL_VTU_STU_DATA_MASK;
+ entry->state[i] = (reg >> shift) & GLOBAL_VTU_STU_DATA_MASK;
}
return 0;
@@ -1339,7 +1339,7 @@ static int _mv88e6xxx_vtu_stu_data_write(struct mv88e6xxx_chip *chip,
for (i = 0; i < mv88e6xxx_num_ports(chip); ++i) {
unsigned int shift = (i % 4) * 4 + nibble_offset;
- u8 data = entry->data[i];
+ u8 data = entry->state[i];
regs[i / 4] |= (data & GLOBAL_VTU_STU_DATA_MASK) << shift;
}
@@ -1461,7 +1461,7 @@ static int mv88e6xxx_port_vlan_dump(struct dsa_switch *ds, int port,
if (!next.valid)
break;
- if (next.data[port] == GLOBAL_VTU_DATA_MEMBER_TAG_NON_MEMBER)
+ if (next.member[port] == GLOBAL_VTU_DATA_MEMBER_TAG_NON_MEMBER)
continue;
/* reinit and dump this VLAN obj */
@@ -1469,7 +1469,7 @@ static int mv88e6xxx_port_vlan_dump(struct dsa_switch *ds, int port,
vlan->vid_end = next.vid;
vlan->flags = 0;
- if (next.data[port] == GLOBAL_VTU_DATA_MEMBER_TAG_UNTAGGED)
+ if (next.member[port] == GLOBAL_VTU_DATA_MEMBER_TAG_UNTAGGED)
vlan->flags |= BRIDGE_VLAN_INFO_UNTAGGED;
if (next.vid == pvid)
@@ -1669,7 +1669,8 @@ static int _mv88e6xxx_vtu_new(struct mv88e6xxx_chip *chip, u16 vid,
/* exclude all ports except the CPU and DSA ports */
for (i = 0; i < mv88e6xxx_num_ports(chip); ++i)
- vlan.data[i] = dsa_is_cpu_port(ds, i) || dsa_is_dsa_port(ds, i)
+ vlan.member[i] = dsa_is_cpu_port(ds, i) ||
+ dsa_is_dsa_port(ds, i)
? GLOBAL_VTU_DATA_MEMBER_TAG_UNMODIFIED
: GLOBAL_VTU_DATA_MEMBER_TAG_NON_MEMBER;
@@ -1765,7 +1766,7 @@ static int mv88e6xxx_port_check_hw_vlan(struct dsa_switch *ds, int port,
if (!ds->ports[port].netdev)
continue;
- if (vlan.data[i] ==
+ if (vlan.member[i] ==
GLOBAL_VTU_DATA_MEMBER_TAG_NON_MEMBER)
continue;
@@ -1844,7 +1845,7 @@ static int _mv88e6xxx_port_vlan_add(struct mv88e6xxx_chip *chip, int port,
if (err)
return err;
- vlan.data[port] = untagged ?
+ vlan.member[port] = untagged ?
GLOBAL_VTU_DATA_MEMBER_TAG_UNTAGGED :
GLOBAL_VTU_DATA_MEMBER_TAG_TAGGED;
@@ -1890,10 +1891,10 @@ static int _mv88e6xxx_port_vlan_del(struct mv88e6xxx_chip *chip,
return err;
/* Tell switchdev if this VLAN is handled in software */
- if (vlan.data[port] == GLOBAL_VTU_DATA_MEMBER_TAG_NON_MEMBER)
+ if (vlan.member[port] == GLOBAL_VTU_DATA_MEMBER_TAG_NON_MEMBER)
return -EOPNOTSUPP;
- vlan.data[port] = GLOBAL_VTU_DATA_MEMBER_TAG_NON_MEMBER;
+ vlan.member[port] = GLOBAL_VTU_DATA_MEMBER_TAG_NON_MEMBER;
/* keep the VLAN unless all ports are excluded */
vlan.valid = false;
@@ -1901,7 +1902,7 @@ static int _mv88e6xxx_port_vlan_del(struct mv88e6xxx_chip *chip,
if (dsa_is_cpu_port(ds, i) || dsa_is_dsa_port(ds, i))
continue;
- if (vlan.data[i] != GLOBAL_VTU_DATA_MEMBER_TAG_NON_MEMBER) {
+ if (vlan.member[i] != GLOBAL_VTU_DATA_MEMBER_TAG_NON_MEMBER) {
vlan.valid = true;
break;
}
diff --git a/drivers/net/dsa/mv88e6xxx/mv88e6xxx.h b/drivers/net/dsa/mv88e6xxx/mv88e6xxx.h
index 5695ca206620..8638892a7e18 100644
--- a/drivers/net/dsa/mv88e6xxx/mv88e6xxx.h
+++ b/drivers/net/dsa/mv88e6xxx/mv88e6xxx.h
@@ -704,7 +704,8 @@ struct mv88e6xxx_vtu_entry {
u16 fid;
u8 sid;
bool valid;
- u8 data[DSA_MAX_PORTS];
+ u8 member[DSA_MAX_PORTS];
+ u8 state[DSA_MAX_PORTS];
};
struct mv88e6xxx_bus_ops;
--
2.12.2
^ permalink raw reply related
* [PATCH net-next 04/18] net: dsa: mv88e6xxx: move VTU flush
From: Vivien Didelot @ 2017-04-26 15:53 UTC (permalink / raw)
To: netdev
Cc: linux-kernel, kernel, David S. Miller, Florian Fainelli,
Andrew Lunn, Vivien Didelot
In-Reply-To: <20170426155336.5937-1-vivien.didelot@savoirfairelinux.com>
Move the VTU flush operation to global1_vtu.c and call it from a
mv88e6xxx_vtu_setup helper, similarly to the ATU and PVT setup.
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
---
drivers/net/dsa/mv88e6xxx/chip.c | 28 ++++++++++++----------------
drivers/net/dsa/mv88e6xxx/global1.h | 1 +
drivers/net/dsa/mv88e6xxx/global1_vtu.c | 13 +++++++++++++
3 files changed, 26 insertions(+), 16 deletions(-)
diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c
index bf0350432337..d244c2283138 100644
--- a/drivers/net/dsa/mv88e6xxx/chip.c
+++ b/drivers/net/dsa/mv88e6xxx/chip.c
@@ -1263,17 +1263,6 @@ static void mv88e6xxx_port_fast_age(struct dsa_switch *ds, int port)
netdev_err(ds->ports[port].netdev, "failed to flush ATU\n");
}
-static int _mv88e6xxx_vtu_stu_flush(struct mv88e6xxx_chip *chip)
-{
- int ret;
-
- ret = mv88e6xxx_g1_vtu_op_wait(chip);
- if (ret < 0)
- return ret;
-
- return mv88e6xxx_g1_vtu_op(chip, GLOBAL_VTU_OP_FLUSH_ALL);
-}
-
static int _mv88e6xxx_vtu_stu_data_read(struct mv88e6xxx_chip *chip,
struct mv88e6xxx_vtu_entry *entry,
unsigned int nibble_offset)
@@ -1412,6 +1401,14 @@ static int _mv88e6xxx_vtu_getnext(struct mv88e6xxx_chip *chip,
return 0;
}
+static int mv88e6xxx_vtu_setup(struct mv88e6xxx_chip *chip)
+{
+ if (!chip->info->max_vid)
+ return 0;
+
+ return mv88e6xxx_g1_vtu_flush(chip);
+}
+
static int mv88e6xxx_port_vlan_dump(struct dsa_switch *ds, int port,
struct switchdev_obj_port_vlan *vlan,
int (*cb)(struct switchdev_obj *obj))
@@ -2599,11 +2596,6 @@ static int mv88e6xxx_g1_setup(struct mv88e6xxx_chip *chip)
if (err)
return err;
- /* Clear all the VTU and STU entries */
- err = _mv88e6xxx_vtu_stu_flush(chip);
- if (err < 0)
- return err;
-
/* Configure the IP ToS mapping registers. */
err = mv88e6xxx_g1_write(chip, GLOBAL_IP_PRI_0, 0x0000);
if (err)
@@ -2684,6 +2676,10 @@ static int mv88e6xxx_setup(struct dsa_switch *ds)
goto unlock;
}
+ err = mv88e6xxx_vtu_setup(chip);
+ if (err)
+ goto unlock;
+
err = mv88e6xxx_pvt_setup(chip);
if (err)
goto unlock;
diff --git a/drivers/net/dsa/mv88e6xxx/global1.h b/drivers/net/dsa/mv88e6xxx/global1.h
index c153d07d2065..ed40e5557bbc 100644
--- a/drivers/net/dsa/mv88e6xxx/global1.h
+++ b/drivers/net/dsa/mv88e6xxx/global1.h
@@ -52,5 +52,6 @@ int mv88e6xxx_g1_atu_remove(struct mv88e6xxx_chip *chip, u16 fid, int port,
int mv88e6xxx_g1_vtu_op_wait(struct mv88e6xxx_chip *chip);
int mv88e6xxx_g1_vtu_op(struct mv88e6xxx_chip *chip, u16 op);
+int mv88e6xxx_g1_vtu_flush(struct mv88e6xxx_chip *chip);
#endif /* _MV88E6XXX_GLOBAL1_H */
diff --git a/drivers/net/dsa/mv88e6xxx/global1_vtu.c b/drivers/net/dsa/mv88e6xxx/global1_vtu.c
index 20dfdcbda238..c41ca28da084 100644
--- a/drivers/net/dsa/mv88e6xxx/global1_vtu.c
+++ b/drivers/net/dsa/mv88e6xxx/global1_vtu.c
@@ -31,3 +31,16 @@ int mv88e6xxx_g1_vtu_op(struct mv88e6xxx_chip *chip, u16 op)
return mv88e6xxx_g1_vtu_op_wait(chip);
}
+
+/* VLAN Translation Unit Operations */
+
+int mv88e6xxx_g1_vtu_flush(struct mv88e6xxx_chip *chip)
+{
+ int err;
+
+ err = mv88e6xxx_g1_vtu_op_wait(chip);
+ if (err)
+ return err;
+
+ return mv88e6xxx_g1_vtu_op(chip, GLOBAL_VTU_OP_FLUSH_ALL);
+}
--
2.12.2
^ permalink raw reply related
* Re: [PATCH RFC v2] ptr_ring: add ptr_ring_unconsume
From: Michael S. Tsirkin @ 2017-04-26 15:54 UTC (permalink / raw)
To: Jason Wang; +Cc: linux-kernel, netdev
In-Reply-To: <ce6e1816-e3e0-4e6b-b017-05cfc54a0170@redhat.com>
On Wed, Apr 26, 2017 at 05:09:42PM +0800, Jason Wang wrote:
>
>
> On 2017年04月25日 00:01, Michael S. Tsirkin wrote:
> > Applications that consume a batch of entries in one go
> > can benefit from ability to return some of them back
> > into the ring.
> >
> > Add an API for that - assuming there's space. If there's no space
> > naturally can't do this and have to drop entries, but this implies ring
> > is full so we'd likely drop some anyway.
> >
> > Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
> > ---
> >
> > Jason, if you add this and unconsume the outstanding packets
> > on backend disconnect, vhost close and reset, I think
> > we should apply your patch even if we don't yet know 100%
> > why it helps.
> >
> > changes from v1:
> > - fix up coding style issues reported by Sergei Shtylyov
> >
> >
> > include/linux/ptr_ring.h | 56 ++++++++++++++++++++++++++++++++++++++++++++++++
> > 1 file changed, 56 insertions(+)
> >
> > diff --git a/include/linux/ptr_ring.h b/include/linux/ptr_ring.h
> > index 783e7f5..902afc2 100644
> > --- a/include/linux/ptr_ring.h
> > +++ b/include/linux/ptr_ring.h
> > @@ -457,6 +457,62 @@ static inline int ptr_ring_init(struct ptr_ring *r, int size, gfp_t gfp)
> > return 0;
> > }
> > +/*
> > + * Return entries into ring. Destroy entries that don't fit.
> > + *
> > + * Note: this is expected to be a rare slow path operation.
> > + *
> > + * Note: producer lock is nested within consumer lock, so if you
> > + * resize you must make sure all uses nest correctly.
> > + * In particular if you consume ring in interrupt or BH context, you must
> > + * disable interrupts/BH when doing so.
> > + */
> > +static inline void ptr_ring_unconsume(struct ptr_ring *r, void **batch, int n,
> > + void (*destroy)(void *))
> > +{
> > + unsigned long flags;
> > + int head;
> > +
> > + spin_lock_irqsave(&r->consumer_lock, flags);
> > + spin_lock(&r->producer_lock);
> > +
> > + if (!r->size)
> > + goto done;
> > +
> > + /*
> > + * Clean out buffered entries (for simplicity). This way following code
> > + * can test entries for NULL and if not assume they are valid.
> > + */
> > + head = r->consumer_head - 1;
> > + while (likely(head >= r->consumer_tail))
> > + r->queue[head--] = NULL;
> > + r->consumer_tail = r->consumer_head;
> > +
> > + /*
> > + * Go over entries in batch, start moving head back and copy entries.
> > + * Stop when we run into previously unconsumed entries.
> > + */
> > + while (n--) {
Maybe this is called with n = 0?
Should be while (n-- > 0) I guess so n = 0 is valid.
> > + head = r->consumer_head - 1;
> > + if (head < 0)
> > + head = r->size - 1;
> > + if (r->queue[head]) {
> > + /* This batch entry will have to be destroyed. */
> > + ++n;
> > + goto done;
> > + }
> > + r->queue[head] = batch[n];
> > + r->consumer_tail = r->consumer_head = head;
>
> Looks like something wrong here (bad page state reported), uncomment the
> above while()
I guess you mean comment out?
> solving the issue. But after staring it for a while I didn't
> find anything interesting, maybe you have some idea on this?
>
> Thanks
Add tracing to see what's going on?
>
> > + }
> > +
> > +done:
> > + /* Destroy all entries left in the batch. */
> > + while (n--)
> > + destroy(batch[n]);
> > + spin_unlock(&r->producer_lock);
> > + spin_unlock_irqrestore(&r->consumer_lock, flags);
> > +}
> > +
> > static inline void **__ptr_ring_swap_queue(struct ptr_ring *r, void **queue,
> > int size, gfp_t gfp,
> > void (*destroy)(void *))
^ permalink raw reply
* [PATCH net-next 17/18] net: dsa: mv88e6xxx: support the VTU Page bit
From: Vivien Didelot @ 2017-04-26 15:53 UTC (permalink / raw)
To: netdev
Cc: linux-kernel, kernel, David S. Miller, Florian Fainelli,
Andrew Lunn, Vivien Didelot
In-Reply-To: <20170426155336.5937-1-vivien.didelot@savoirfairelinux.com>
Newer chips such as the 88E6390 have a VTU Page bit in the VTU VID
register to specify a 13th bit for the VID. This can be used to support
8K VLANs.
When dumping the whole VTU, all VID bits must be set to one, including
this VTU Page bit. Add support for VID greater than 4095.
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
---
drivers/net/dsa/mv88e6xxx/global1_vtu.c | 7 +++++++
drivers/net/dsa/mv88e6xxx/mv88e6xxx.h | 1 +
2 files changed, 8 insertions(+)
diff --git a/drivers/net/dsa/mv88e6xxx/global1_vtu.c b/drivers/net/dsa/mv88e6xxx/global1_vtu.c
index cb0f3359d60b..2ad080291208 100644
--- a/drivers/net/dsa/mv88e6xxx/global1_vtu.c
+++ b/drivers/net/dsa/mv88e6xxx/global1_vtu.c
@@ -95,6 +95,10 @@ static int mv88e6xxx_g1_vtu_vid_read(struct mv88e6xxx_chip *chip,
return err;
entry->vid = val & 0xfff;
+
+ if (val & GLOBAL_VTU_VID_PAGE)
+ entry->vid |= 0x1000;
+
entry->valid = !!(val & GLOBAL_VTU_VID_VALID);
return 0;
@@ -105,6 +109,9 @@ static int mv88e6xxx_g1_vtu_vid_write(struct mv88e6xxx_chip *chip,
{
u16 val = entry->vid & 0xfff;
+ if (entry->vid & 0x1000)
+ val |= GLOBAL_VTU_VID_PAGE;
+
if (entry->valid)
val |= GLOBAL_VTU_VID_VALID;
diff --git a/drivers/net/dsa/mv88e6xxx/mv88e6xxx.h b/drivers/net/dsa/mv88e6xxx/mv88e6xxx.h
index a0d57b10acfe..77236cd72df2 100644
--- a/drivers/net/dsa/mv88e6xxx/mv88e6xxx.h
+++ b/drivers/net/dsa/mv88e6xxx/mv88e6xxx.h
@@ -249,6 +249,7 @@
#define GLOBAL_VTU_OP_STU_GET_NEXT ((0x06 << 12) | GLOBAL_VTU_OP_BUSY)
#define GLOBAL_VTU_VID 0x06
#define GLOBAL_VTU_VID_MASK 0xfff
+#define GLOBAL_VTU_VID_PAGE BIT(13)
#define GLOBAL_VTU_VID_VALID BIT(12)
#define GLOBAL_VTU_DATA_0_3 0x07
#define GLOBAL_VTU_DATA_4_7 0x08
--
2.12.2
^ permalink raw reply related
* [PATCH net-next 15/18] net: dsa: mv88e6xxx: make VTU helpers static
From: Vivien Didelot @ 2017-04-26 15:53 UTC (permalink / raw)
To: netdev
Cc: linux-kernel, kernel, David S. Miller, Florian Fainelli,
Andrew Lunn, Vivien Didelot
In-Reply-To: <20170426155336.5937-1-vivien.didelot@savoirfairelinux.com>
Now that we have chip operations for VTU accesses, mark all helpers from
global1_vtu.c as static. Only the various implementations of the
GetNext, LoadPurge and Flush operations need to be exposed.
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
---
drivers/net/dsa/mv88e6xxx/global1.h | 24 -----------------
drivers/net/dsa/mv88e6xxx/global1_vtu.c | 48 ++++++++++++++++-----------------
2 files changed, 24 insertions(+), 48 deletions(-)
diff --git a/drivers/net/dsa/mv88e6xxx/global1.h b/drivers/net/dsa/mv88e6xxx/global1.h
index 60dd7079c756..82e9812b8ba7 100644
--- a/drivers/net/dsa/mv88e6xxx/global1.h
+++ b/drivers/net/dsa/mv88e6xxx/global1.h
@@ -50,30 +50,6 @@ int mv88e6xxx_g1_atu_flush(struct mv88e6xxx_chip *chip, u16 fid, bool all);
int mv88e6xxx_g1_atu_remove(struct mv88e6xxx_chip *chip, u16 fid, int port,
bool all);
-int mv88e6xxx_g1_vtu_fid_read(struct mv88e6xxx_chip *chip,
- struct mv88e6xxx_vtu_entry *entry);
-int mv88e6xxx_g1_vtu_fid_write(struct mv88e6xxx_chip *chip,
- struct mv88e6xxx_vtu_entry *entry);
-int mv88e6xxx_g1_vtu_sid_read(struct mv88e6xxx_chip *chip,
- struct mv88e6xxx_vtu_entry *entry);
-int mv88e6xxx_g1_vtu_sid_write(struct mv88e6xxx_chip *chip,
- struct mv88e6xxx_vtu_entry *entry);
-int mv88e6xxx_g1_vtu_vid_read(struct mv88e6xxx_chip *chip,
- struct mv88e6xxx_vtu_entry *entry);
-int mv88e6xxx_g1_vtu_vid_write(struct mv88e6xxx_chip *chip,
- struct mv88e6xxx_vtu_entry *entry);
-int mv88e6185_g1_vtu_data_read(struct mv88e6xxx_chip *chip,
- struct mv88e6xxx_vtu_entry *entry);
-int mv88e6185_g1_vtu_data_write(struct mv88e6xxx_chip *chip,
- struct mv88e6xxx_vtu_entry *entry);
-int mv88e6xxx_g1_vtu_op_wait(struct mv88e6xxx_chip *chip);
-int mv88e6xxx_g1_vtu_op(struct mv88e6xxx_chip *chip, u16 op);
-int mv88e6xxx_g1_vtu_getnext(struct mv88e6xxx_chip *chip,
- struct mv88e6xxx_vtu_entry *entry);
-int mv88e6xxx_g1_vtu_stu_getnext(struct mv88e6xxx_chip *chip,
- struct mv88e6xxx_vtu_entry *vtu);
-int mv88e6xxx_g1_vtu_stu_get(struct mv88e6xxx_chip *chip,
- struct mv88e6xxx_vtu_entry *vtu);
int mv88e6185_g1_vtu_getnext(struct mv88e6xxx_chip *chip,
struct mv88e6xxx_vtu_entry *entry);
int mv88e6185_g1_vtu_loadpurge(struct mv88e6xxx_chip *chip,
diff --git a/drivers/net/dsa/mv88e6xxx/global1_vtu.c b/drivers/net/dsa/mv88e6xxx/global1_vtu.c
index b594407ce4f7..cb0f3359d60b 100644
--- a/drivers/net/dsa/mv88e6xxx/global1_vtu.c
+++ b/drivers/net/dsa/mv88e6xxx/global1_vtu.c
@@ -16,8 +16,8 @@
/* Offset 0x02: VTU FID Register */
-int mv88e6xxx_g1_vtu_fid_read(struct mv88e6xxx_chip *chip,
- struct mv88e6xxx_vtu_entry *entry)
+static int mv88e6xxx_g1_vtu_fid_read(struct mv88e6xxx_chip *chip,
+ struct mv88e6xxx_vtu_entry *entry)
{
u16 val;
int err;
@@ -31,8 +31,8 @@ int mv88e6xxx_g1_vtu_fid_read(struct mv88e6xxx_chip *chip,
return 0;
}
-int mv88e6xxx_g1_vtu_fid_write(struct mv88e6xxx_chip *chip,
- struct mv88e6xxx_vtu_entry *entry)
+static int mv88e6xxx_g1_vtu_fid_write(struct mv88e6xxx_chip *chip,
+ struct mv88e6xxx_vtu_entry *entry)
{
u16 val = entry->fid & GLOBAL_VTU_FID_MASK;
@@ -41,8 +41,8 @@ int mv88e6xxx_g1_vtu_fid_write(struct mv88e6xxx_chip *chip,
/* Offset 0x03: VTU SID Register */
-int mv88e6xxx_g1_vtu_sid_read(struct mv88e6xxx_chip *chip,
- struct mv88e6xxx_vtu_entry *entry)
+static int mv88e6xxx_g1_vtu_sid_read(struct mv88e6xxx_chip *chip,
+ struct mv88e6xxx_vtu_entry *entry)
{
u16 val;
int err;
@@ -56,8 +56,8 @@ int mv88e6xxx_g1_vtu_sid_read(struct mv88e6xxx_chip *chip,
return 0;
}
-int mv88e6xxx_g1_vtu_sid_write(struct mv88e6xxx_chip *chip,
- struct mv88e6xxx_vtu_entry *entry)
+static int mv88e6xxx_g1_vtu_sid_write(struct mv88e6xxx_chip *chip,
+ struct mv88e6xxx_vtu_entry *entry)
{
u16 val = entry->sid & GLOBAL_VTU_SID_MASK;
@@ -66,12 +66,12 @@ int mv88e6xxx_g1_vtu_sid_write(struct mv88e6xxx_chip *chip,
/* Offset 0x05: VTU Operation Register */
-int mv88e6xxx_g1_vtu_op_wait(struct mv88e6xxx_chip *chip)
+static int mv88e6xxx_g1_vtu_op_wait(struct mv88e6xxx_chip *chip)
{
return mv88e6xxx_g1_wait(chip, GLOBAL_VTU_OP, GLOBAL_VTU_OP_BUSY);
}
-int mv88e6xxx_g1_vtu_op(struct mv88e6xxx_chip *chip, u16 op)
+static int mv88e6xxx_g1_vtu_op(struct mv88e6xxx_chip *chip, u16 op)
{
int err;
@@ -84,8 +84,8 @@ int mv88e6xxx_g1_vtu_op(struct mv88e6xxx_chip *chip, u16 op)
/* Offset 0x06: VTU VID Register */
-int mv88e6xxx_g1_vtu_vid_read(struct mv88e6xxx_chip *chip,
- struct mv88e6xxx_vtu_entry *entry)
+static int mv88e6xxx_g1_vtu_vid_read(struct mv88e6xxx_chip *chip,
+ struct mv88e6xxx_vtu_entry *entry)
{
u16 val;
int err;
@@ -100,8 +100,8 @@ int mv88e6xxx_g1_vtu_vid_read(struct mv88e6xxx_chip *chip,
return 0;
}
-int mv88e6xxx_g1_vtu_vid_write(struct mv88e6xxx_chip *chip,
- struct mv88e6xxx_vtu_entry *entry)
+static int mv88e6xxx_g1_vtu_vid_write(struct mv88e6xxx_chip *chip,
+ struct mv88e6xxx_vtu_entry *entry)
{
u16 val = entry->vid & 0xfff;
@@ -116,8 +116,8 @@ int mv88e6xxx_g1_vtu_vid_write(struct mv88e6xxx_chip *chip,
* Offset 0x09: VTU/STU Data Register 3
*/
-int mv88e6185_g1_vtu_data_read(struct mv88e6xxx_chip *chip,
- struct mv88e6xxx_vtu_entry *entry)
+static int mv88e6185_g1_vtu_data_read(struct mv88e6xxx_chip *chip,
+ struct mv88e6xxx_vtu_entry *entry)
{
u16 regs[3];
int i;
@@ -144,8 +144,8 @@ int mv88e6185_g1_vtu_data_read(struct mv88e6xxx_chip *chip,
return 0;
}
-int mv88e6185_g1_vtu_data_write(struct mv88e6xxx_chip *chip,
- struct mv88e6xxx_vtu_entry *entry)
+static int mv88e6185_g1_vtu_data_write(struct mv88e6xxx_chip *chip,
+ struct mv88e6xxx_vtu_entry *entry)
{
u16 regs[3] = { 0 };
int i;
@@ -174,8 +174,8 @@ int mv88e6185_g1_vtu_data_write(struct mv88e6xxx_chip *chip,
/* VLAN Translation Unit Operations */
-int mv88e6xxx_g1_vtu_stu_getnext(struct mv88e6xxx_chip *chip,
- struct mv88e6xxx_vtu_entry *entry)
+static int mv88e6xxx_g1_vtu_stu_getnext(struct mv88e6xxx_chip *chip,
+ struct mv88e6xxx_vtu_entry *entry)
{
int err;
@@ -194,8 +194,8 @@ int mv88e6xxx_g1_vtu_stu_getnext(struct mv88e6xxx_chip *chip,
return mv88e6xxx_g1_vtu_vid_read(chip, entry);
}
-int mv88e6xxx_g1_vtu_stu_get(struct mv88e6xxx_chip *chip,
- struct mv88e6xxx_vtu_entry *vtu)
+static int mv88e6xxx_g1_vtu_stu_get(struct mv88e6xxx_chip *chip,
+ struct mv88e6xxx_vtu_entry *vtu)
{
struct mv88e6xxx_vtu_entry stu;
int err;
@@ -216,8 +216,8 @@ int mv88e6xxx_g1_vtu_stu_get(struct mv88e6xxx_chip *chip,
return 0;
}
-int mv88e6xxx_g1_vtu_getnext(struct mv88e6xxx_chip *chip,
- struct mv88e6xxx_vtu_entry *entry)
+static int mv88e6xxx_g1_vtu_getnext(struct mv88e6xxx_chip *chip,
+ struct mv88e6xxx_vtu_entry *entry)
{
int err;
--
2.12.2
^ permalink raw reply related
* [PATCH net-next 13/18] net: dsa: mv88e6xxx: add VTU GetNext operation
From: Vivien Didelot @ 2017-04-26 15:53 UTC (permalink / raw)
To: netdev
Cc: linux-kernel, kernel, David S. Miller, Florian Fainelli,
Andrew Lunn, Vivien Didelot
In-Reply-To: <20170426155336.5937-1-vivien.didelot@savoirfairelinux.com>
Add a new vtu_getnext operation to the chip info structure to differ the
various implementations of the VTU accesses.
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
---
drivers/net/dsa/mv88e6xxx/chip.c | 82 ++++++++++++++-------------------
drivers/net/dsa/mv88e6xxx/global1.h | 4 ++
drivers/net/dsa/mv88e6xxx/global1_vtu.c | 57 +++++++++++++++++++++++
drivers/net/dsa/mv88e6xxx/mv88e6xxx.h | 4 ++
4 files changed, 99 insertions(+), 48 deletions(-)
diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c
index fc30a3e3df47..1e14edebc0c7 100644
--- a/drivers/net/dsa/mv88e6xxx/chip.c
+++ b/drivers/net/dsa/mv88e6xxx/chip.c
@@ -1238,49 +1238,6 @@ static void mv88e6xxx_port_fast_age(struct dsa_switch *ds, int port)
netdev_err(ds->ports[port].netdev, "failed to flush ATU\n");
}
-static int _mv88e6xxx_vtu_getnext(struct mv88e6xxx_chip *chip,
- struct mv88e6xxx_vtu_entry *entry)
-{
- struct mv88e6xxx_vtu_entry next = *entry;
- u16 val;
- int err;
-
- err = mv88e6xxx_g1_vtu_getnext(chip, &next);
- if (err)
- return err;
-
- if (next.valid) {
- if (mv88e6xxx_has(chip, MV88E6XXX_FLAG_G1_VTU_FID)) {
- err = mv88e6xxx_g1_vtu_fid_read(chip, &next);
- if (err)
- return err;
- } else if (mv88e6xxx_num_databases(chip) == 256) {
- /* VTU DBNum[7:4] are located in VTU Operation 11:8, and
- * VTU DBNum[3:0] are located in VTU Operation 3:0
- */
- err = mv88e6xxx_g1_read(chip, GLOBAL_VTU_OP, &val);
- if (err)
- return err;
-
- next.fid = (val & 0xf00) >> 4;
- next.fid |= val & 0xf;
- }
-
- if (mv88e6xxx_has(chip, MV88E6XXX_FLAG_STU)) {
- err = mv88e6xxx_g1_vtu_stu_get(chip, &next);
- if (err)
- return err;
- }
-
- err = mv88e6185_g1_vtu_data_read(chip, &next);
- if (err)
- return err;
- }
-
- *entry = next;
- return 0;
-}
-
static int mv88e6xxx_vtu_setup(struct mv88e6xxx_chip *chip)
{
if (!chip->info->max_vid)
@@ -1289,6 +1246,15 @@ static int mv88e6xxx_vtu_setup(struct mv88e6xxx_chip *chip)
return mv88e6xxx_g1_vtu_flush(chip);
}
+static int mv88e6xxx_vtu_getnext(struct mv88e6xxx_chip *chip,
+ struct mv88e6xxx_vtu_entry *entry)
+{
+ if (!chip->info->ops->vtu_getnext)
+ return -EOPNOTSUPP;
+
+ return chip->info->ops->vtu_getnext(chip, entry);
+}
+
static int mv88e6xxx_port_vlan_dump(struct dsa_switch *ds, int port,
struct switchdev_obj_port_vlan *vlan,
int (*cb)(struct switchdev_obj *obj))
@@ -1310,7 +1276,7 @@ static int mv88e6xxx_port_vlan_dump(struct dsa_switch *ds, int port,
goto unlock;
do {
- err = _mv88e6xxx_vtu_getnext(chip, &next);
+ err = mv88e6xxx_vtu_getnext(chip, &next);
if (err)
break;
@@ -1410,7 +1376,7 @@ static int mv88e6xxx_atu_new(struct mv88e6xxx_chip *chip, u16 *fid)
/* Set every FID bit used by the VLAN entries */
do {
- err = _mv88e6xxx_vtu_getnext(chip, &vlan);
+ err = mv88e6xxx_vtu_getnext(chip, &vlan);
if (err)
return err;
@@ -1467,7 +1433,7 @@ static int _mv88e6xxx_vtu_get(struct mv88e6xxx_chip *chip, u16 vid,
entry->vid = vid - 1;
entry->valid = false;
- err = _mv88e6xxx_vtu_getnext(chip, entry);
+ err = mv88e6xxx_vtu_getnext(chip, entry);
if (err)
return err;
@@ -1499,7 +1465,7 @@ static int mv88e6xxx_port_check_hw_vlan(struct dsa_switch *ds, int port,
mutex_lock(&chip->reg_lock);
do {
- err = _mv88e6xxx_vtu_getnext(chip, &vlan);
+ err = mv88e6xxx_vtu_getnext(chip, &vlan);
if (err)
goto unlock;
@@ -1857,7 +1823,7 @@ static int mv88e6xxx_port_db_dump(struct mv88e6xxx_chip *chip, int port,
/* Dump VLANs' Filtering Information Databases */
do {
- err = _mv88e6xxx_vtu_getnext(chip, &vlan);
+ err = mv88e6xxx_vtu_getnext(chip, &vlan);
if (err)
return err;
@@ -2702,6 +2668,7 @@ static const struct mv88e6xxx_ops mv88e6085_ops = {
.ppu_enable = mv88e6185_g1_ppu_enable,
.ppu_disable = mv88e6185_g1_ppu_disable,
.reset = mv88e6185_g1_reset,
+ .vtu_getnext = mv88e6352_g1_vtu_getnext,
};
static const struct mv88e6xxx_ops mv88e6095_ops = {
@@ -2723,6 +2690,7 @@ static const struct mv88e6xxx_ops mv88e6095_ops = {
.ppu_enable = mv88e6185_g1_ppu_enable,
.ppu_disable = mv88e6185_g1_ppu_disable,
.reset = mv88e6185_g1_reset,
+ .vtu_getnext = mv88e6185_g1_vtu_getnext,
};
static const struct mv88e6xxx_ops mv88e6097_ops = {
@@ -2751,6 +2719,7 @@ static const struct mv88e6xxx_ops mv88e6097_ops = {
.watchdog_ops = &mv88e6097_watchdog_ops,
.mgmt_rsvd2cpu = mv88e6095_g2_mgmt_rsvd2cpu,
.reset = mv88e6352_g1_reset,
+ .vtu_getnext = mv88e6352_g1_vtu_getnext,
};
static const struct mv88e6xxx_ops mv88e6123_ops = {
@@ -2774,6 +2743,7 @@ static const struct mv88e6xxx_ops mv88e6123_ops = {
.watchdog_ops = &mv88e6097_watchdog_ops,
.mgmt_rsvd2cpu = mv88e6095_g2_mgmt_rsvd2cpu,
.reset = mv88e6352_g1_reset,
+ .vtu_getnext = mv88e6352_g1_vtu_getnext,
};
static const struct mv88e6xxx_ops mv88e6131_ops = {
@@ -2803,6 +2773,7 @@ static const struct mv88e6xxx_ops mv88e6131_ops = {
.ppu_enable = mv88e6185_g1_ppu_enable,
.ppu_disable = mv88e6185_g1_ppu_disable,
.reset = mv88e6185_g1_reset,
+ .vtu_getnext = mv88e6185_g1_vtu_getnext,
};
static const struct mv88e6xxx_ops mv88e6141_ops = {
@@ -2834,6 +2805,7 @@ static const struct mv88e6xxx_ops mv88e6141_ops = {
.watchdog_ops = &mv88e6390_watchdog_ops,
.mgmt_rsvd2cpu = mv88e6390_g1_mgmt_rsvd2cpu,
.reset = mv88e6352_g1_reset,
+ .vtu_getnext = mv88e6352_g1_vtu_getnext,
};
static const struct mv88e6xxx_ops mv88e6161_ops = {
@@ -2862,6 +2834,7 @@ static const struct mv88e6xxx_ops mv88e6161_ops = {
.watchdog_ops = &mv88e6097_watchdog_ops,
.mgmt_rsvd2cpu = mv88e6095_g2_mgmt_rsvd2cpu,
.reset = mv88e6352_g1_reset,
+ .vtu_getnext = mv88e6352_g1_vtu_getnext,
};
static const struct mv88e6xxx_ops mv88e6165_ops = {
@@ -2883,6 +2856,7 @@ static const struct mv88e6xxx_ops mv88e6165_ops = {
.watchdog_ops = &mv88e6097_watchdog_ops,
.mgmt_rsvd2cpu = mv88e6095_g2_mgmt_rsvd2cpu,
.reset = mv88e6352_g1_reset,
+ .vtu_getnext = mv88e6352_g1_vtu_getnext,
};
static const struct mv88e6xxx_ops mv88e6171_ops = {
@@ -2912,6 +2886,7 @@ static const struct mv88e6xxx_ops mv88e6171_ops = {
.watchdog_ops = &mv88e6097_watchdog_ops,
.mgmt_rsvd2cpu = mv88e6095_g2_mgmt_rsvd2cpu,
.reset = mv88e6352_g1_reset,
+ .vtu_getnext = mv88e6352_g1_vtu_getnext,
};
static const struct mv88e6xxx_ops mv88e6172_ops = {
@@ -2943,6 +2918,7 @@ static const struct mv88e6xxx_ops mv88e6172_ops = {
.watchdog_ops = &mv88e6097_watchdog_ops,
.mgmt_rsvd2cpu = mv88e6095_g2_mgmt_rsvd2cpu,
.reset = mv88e6352_g1_reset,
+ .vtu_getnext = mv88e6352_g1_vtu_getnext,
};
static const struct mv88e6xxx_ops mv88e6175_ops = {
@@ -2972,6 +2948,7 @@ static const struct mv88e6xxx_ops mv88e6175_ops = {
.watchdog_ops = &mv88e6097_watchdog_ops,
.mgmt_rsvd2cpu = mv88e6095_g2_mgmt_rsvd2cpu,
.reset = mv88e6352_g1_reset,
+ .vtu_getnext = mv88e6352_g1_vtu_getnext,
};
static const struct mv88e6xxx_ops mv88e6176_ops = {
@@ -3003,6 +2980,7 @@ static const struct mv88e6xxx_ops mv88e6176_ops = {
.watchdog_ops = &mv88e6097_watchdog_ops,
.mgmt_rsvd2cpu = mv88e6095_g2_mgmt_rsvd2cpu,
.reset = mv88e6352_g1_reset,
+ .vtu_getnext = mv88e6352_g1_vtu_getnext,
};
static const struct mv88e6xxx_ops mv88e6185_ops = {
@@ -3028,6 +3006,7 @@ static const struct mv88e6xxx_ops mv88e6185_ops = {
.ppu_enable = mv88e6185_g1_ppu_enable,
.ppu_disable = mv88e6185_g1_ppu_disable,
.reset = mv88e6185_g1_reset,
+ .vtu_getnext = mv88e6185_g1_vtu_getnext,
};
static const struct mv88e6xxx_ops mv88e6190_ops = {
@@ -3149,6 +3128,7 @@ static const struct mv88e6xxx_ops mv88e6240_ops = {
.watchdog_ops = &mv88e6097_watchdog_ops,
.mgmt_rsvd2cpu = mv88e6095_g2_mgmt_rsvd2cpu,
.reset = mv88e6352_g1_reset,
+ .vtu_getnext = mv88e6352_g1_vtu_getnext,
};
static const struct mv88e6xxx_ops mv88e6290_ops = {
@@ -3209,6 +3189,7 @@ static const struct mv88e6xxx_ops mv88e6320_ops = {
.g1_set_egress_port = mv88e6095_g1_set_egress_port,
.mgmt_rsvd2cpu = mv88e6095_g2_mgmt_rsvd2cpu,
.reset = mv88e6352_g1_reset,
+ .vtu_getnext = mv88e6185_g1_vtu_getnext,
};
static const struct mv88e6xxx_ops mv88e6321_ops = {
@@ -3237,6 +3218,7 @@ static const struct mv88e6xxx_ops mv88e6321_ops = {
.g1_set_cpu_port = mv88e6095_g1_set_cpu_port,
.g1_set_egress_port = mv88e6095_g1_set_egress_port,
.reset = mv88e6352_g1_reset,
+ .vtu_getnext = mv88e6185_g1_vtu_getnext,
};
static const struct mv88e6xxx_ops mv88e6341_ops = {
@@ -3268,6 +3250,7 @@ static const struct mv88e6xxx_ops mv88e6341_ops = {
.watchdog_ops = &mv88e6390_watchdog_ops,
.mgmt_rsvd2cpu = mv88e6390_g1_mgmt_rsvd2cpu,
.reset = mv88e6352_g1_reset,
+ .vtu_getnext = mv88e6352_g1_vtu_getnext,
};
static const struct mv88e6xxx_ops mv88e6350_ops = {
@@ -3297,6 +3280,7 @@ static const struct mv88e6xxx_ops mv88e6350_ops = {
.watchdog_ops = &mv88e6097_watchdog_ops,
.mgmt_rsvd2cpu = mv88e6095_g2_mgmt_rsvd2cpu,
.reset = mv88e6352_g1_reset,
+ .vtu_getnext = mv88e6352_g1_vtu_getnext,
};
static const struct mv88e6xxx_ops mv88e6351_ops = {
@@ -3326,6 +3310,7 @@ static const struct mv88e6xxx_ops mv88e6351_ops = {
.watchdog_ops = &mv88e6097_watchdog_ops,
.mgmt_rsvd2cpu = mv88e6095_g2_mgmt_rsvd2cpu,
.reset = mv88e6352_g1_reset,
+ .vtu_getnext = mv88e6352_g1_vtu_getnext,
};
static const struct mv88e6xxx_ops mv88e6352_ops = {
@@ -3357,6 +3342,7 @@ static const struct mv88e6xxx_ops mv88e6352_ops = {
.watchdog_ops = &mv88e6097_watchdog_ops,
.mgmt_rsvd2cpu = mv88e6095_g2_mgmt_rsvd2cpu,
.reset = mv88e6352_g1_reset,
+ .vtu_getnext = mv88e6352_g1_vtu_getnext,
};
static const struct mv88e6xxx_ops mv88e6390_ops = {
diff --git a/drivers/net/dsa/mv88e6xxx/global1.h b/drivers/net/dsa/mv88e6xxx/global1.h
index 76b49a3a4701..780ee8241dbf 100644
--- a/drivers/net/dsa/mv88e6xxx/global1.h
+++ b/drivers/net/dsa/mv88e6xxx/global1.h
@@ -74,6 +74,10 @@ int mv88e6xxx_g1_vtu_stu_getnext(struct mv88e6xxx_chip *chip,
struct mv88e6xxx_vtu_entry *vtu);
int mv88e6xxx_g1_vtu_stu_get(struct mv88e6xxx_chip *chip,
struct mv88e6xxx_vtu_entry *vtu);
+int mv88e6185_g1_vtu_getnext(struct mv88e6xxx_chip *chip,
+ struct mv88e6xxx_vtu_entry *entry);
+int mv88e6352_g1_vtu_getnext(struct mv88e6xxx_chip *chip,
+ struct mv88e6xxx_vtu_entry *entry);
int mv88e6xxx_g1_vtu_flush(struct mv88e6xxx_chip *chip);
#endif /* _MV88E6XXX_GLOBAL1_H */
diff --git a/drivers/net/dsa/mv88e6xxx/global1_vtu.c b/drivers/net/dsa/mv88e6xxx/global1_vtu.c
index 4df03000b366..7f505aba1983 100644
--- a/drivers/net/dsa/mv88e6xxx/global1_vtu.c
+++ b/drivers/net/dsa/mv88e6xxx/global1_vtu.c
@@ -239,6 +239,63 @@ int mv88e6xxx_g1_vtu_getnext(struct mv88e6xxx_chip *chip,
return mv88e6xxx_g1_vtu_vid_read(chip, entry);
}
+int mv88e6185_g1_vtu_getnext(struct mv88e6xxx_chip *chip,
+ struct mv88e6xxx_vtu_entry *entry)
+{
+ u16 val;
+ int err;
+
+ err = mv88e6xxx_g1_vtu_getnext(chip, entry);
+ if (err)
+ return err;
+
+ if (entry->valid) {
+ err = mv88e6185_g1_vtu_data_read(chip, entry);
+ if (err)
+ return err;
+
+ /* VTU DBNum[3:0] are located in VTU Operation 3:0
+ * VTU DBNum[7:4] are located in VTU Operation 11:8
+ */
+ err = mv88e6xxx_g1_read(chip, GLOBAL_VTU_OP, &val);
+ if (err)
+ return err;
+
+ entry->fid = val & 0x000f;
+ entry->fid |= (val & 0x0f00) >> 4;
+ }
+
+ return 0;
+}
+
+int mv88e6352_g1_vtu_getnext(struct mv88e6xxx_chip *chip,
+ struct mv88e6xxx_vtu_entry *entry)
+{
+ int err;
+
+ /* Fetch VLAN MemberTag data from the VTU */
+ err = mv88e6xxx_g1_vtu_getnext(chip, entry);
+ if (err)
+ return err;
+
+ if (entry->valid) {
+ /* Fetch (and mask) VLAN PortState data from the STU */
+ err = mv88e6xxx_g1_vtu_stu_get(chip, entry);
+ if (err)
+ return err;
+
+ err = mv88e6185_g1_vtu_data_read(chip, entry);
+ if (err)
+ return err;
+
+ err = mv88e6xxx_g1_vtu_fid_read(chip, entry);
+ if (err)
+ return err;
+ }
+
+ return 0;
+}
+
int mv88e6xxx_g1_vtu_flush(struct mv88e6xxx_chip *chip)
{
int err;
diff --git a/drivers/net/dsa/mv88e6xxx/mv88e6xxx.h b/drivers/net/dsa/mv88e6xxx/mv88e6xxx.h
index 8638892a7e18..b356f2875643 100644
--- a/drivers/net/dsa/mv88e6xxx/mv88e6xxx.h
+++ b/drivers/net/dsa/mv88e6xxx/mv88e6xxx.h
@@ -890,6 +890,10 @@ struct mv88e6xxx_ops {
/* Can be either in g1 or g2, so don't use a prefix */
int (*mgmt_rsvd2cpu)(struct mv88e6xxx_chip *chip);
+
+ /* VLAN Translation Unit operations */
+ int (*vtu_getnext)(struct mv88e6xxx_chip *chip,
+ struct mv88e6xxx_vtu_entry *entry);
};
struct mv88e6xxx_irq_ops {
--
2.12.2
^ permalink raw reply related
* [PATCH net-next 11/18] net: dsa: mv88e6xxx: get STU entry on VTU GetNext
From: Vivien Didelot @ 2017-04-26 15:53 UTC (permalink / raw)
To: netdev
Cc: linux-kernel, kernel, David S. Miller, Florian Fainelli,
Andrew Lunn, Vivien Didelot
In-Reply-To: <20170426155336.5937-1-vivien.didelot@savoirfairelinux.com>
Now that the code reads both VTU and STU data on VTU GetNext operation,
fetch the STU entry data of a VTU entry at the same time.
The STU data bits are masked with the VTU data bits and they are now all
read at the same time a VTU GetNext operation is issued.
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
---
drivers/net/dsa/mv88e6xxx/chip.c | 2 +-
drivers/net/dsa/mv88e6xxx/global1.h | 2 ++
drivers/net/dsa/mv88e6xxx/global1_vtu.c | 22 ++++++++++++++++++++++
3 files changed, 25 insertions(+), 1 deletion(-)
diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c
index 5441b05f519b..38c3e047fbf9 100644
--- a/drivers/net/dsa/mv88e6xxx/chip.c
+++ b/drivers/net/dsa/mv88e6xxx/chip.c
@@ -1292,7 +1292,7 @@ static int _mv88e6xxx_vtu_getnext(struct mv88e6xxx_chip *chip,
}
if (mv88e6xxx_has(chip, MV88E6XXX_FLAG_STU)) {
- err = mv88e6xxx_g1_vtu_sid_read(chip, &next);
+ err = mv88e6xxx_g1_vtu_stu_get(chip, &next);
if (err)
return err;
}
diff --git a/drivers/net/dsa/mv88e6xxx/global1.h b/drivers/net/dsa/mv88e6xxx/global1.h
index 5d276cc4262b..76b49a3a4701 100644
--- a/drivers/net/dsa/mv88e6xxx/global1.h
+++ b/drivers/net/dsa/mv88e6xxx/global1.h
@@ -72,6 +72,8 @@ int mv88e6xxx_g1_vtu_getnext(struct mv88e6xxx_chip *chip,
struct mv88e6xxx_vtu_entry *entry);
int mv88e6xxx_g1_vtu_stu_getnext(struct mv88e6xxx_chip *chip,
struct mv88e6xxx_vtu_entry *vtu);
+int mv88e6xxx_g1_vtu_stu_get(struct mv88e6xxx_chip *chip,
+ struct mv88e6xxx_vtu_entry *vtu);
int mv88e6xxx_g1_vtu_flush(struct mv88e6xxx_chip *chip);
#endif /* _MV88E6XXX_GLOBAL1_H */
diff --git a/drivers/net/dsa/mv88e6xxx/global1_vtu.c b/drivers/net/dsa/mv88e6xxx/global1_vtu.c
index b7b6e089acfe..4df03000b366 100644
--- a/drivers/net/dsa/mv88e6xxx/global1_vtu.c
+++ b/drivers/net/dsa/mv88e6xxx/global1_vtu.c
@@ -194,6 +194,28 @@ int mv88e6xxx_g1_vtu_stu_getnext(struct mv88e6xxx_chip *chip,
return mv88e6xxx_g1_vtu_vid_read(chip, entry);
}
+int mv88e6xxx_g1_vtu_stu_get(struct mv88e6xxx_chip *chip,
+ struct mv88e6xxx_vtu_entry *vtu)
+{
+ struct mv88e6xxx_vtu_entry stu;
+ int err;
+
+ err = mv88e6xxx_g1_vtu_sid_read(chip, vtu);
+ if (err)
+ return err;
+
+ stu.sid = vtu->sid - 1;
+
+ err = mv88e6xxx_g1_vtu_stu_getnext(chip, &stu);
+ if (err)
+ return err;
+
+ if (stu.sid != vtu->sid || !stu.valid)
+ return -EINVAL;
+
+ return 0;
+}
+
int mv88e6xxx_g1_vtu_getnext(struct mv88e6xxx_chip *chip,
struct mv88e6xxx_vtu_entry *entry)
{
--
2.12.2
^ permalink raw reply related
* [PATCH net-next 10/18] net: dsa: mv88e6xxx: move STU GetNext operation
From: Vivien Didelot @ 2017-04-26 15:53 UTC (permalink / raw)
To: netdev
Cc: linux-kernel, kernel, David S. Miller, Florian Fainelli,
Andrew Lunn, Vivien Didelot
In-Reply-To: <20170426155336.5937-1-vivien.didelot@savoirfairelinux.com>
Extract the generic portion of code to issue an STU GetNext operation,
which will be used in other implementations.
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
---
drivers/net/dsa/mv88e6xxx/chip.c | 14 +-------------
drivers/net/dsa/mv88e6xxx/global1.h | 2 ++
drivers/net/dsa/mv88e6xxx/global1_vtu.c | 20 ++++++++++++++++++++
3 files changed, 23 insertions(+), 13 deletions(-)
diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c
index b163e40bf42e..5441b05f519b 100644
--- a/drivers/net/dsa/mv88e6xxx/chip.c
+++ b/drivers/net/dsa/mv88e6xxx/chip.c
@@ -1422,19 +1422,7 @@ static int _mv88e6xxx_stu_getnext(struct mv88e6xxx_chip *chip, u8 sid,
if (err)
return err;
- err = mv88e6xxx_g1_vtu_sid_write(chip, &next);
- if (err)
- return err;
-
- err = mv88e6xxx_g1_vtu_op(chip, GLOBAL_VTU_OP_STU_GET_NEXT);
- if (err)
- return err;
-
- err = mv88e6xxx_g1_vtu_sid_read(chip, &next);
- if (err)
- return err;
-
- err = mv88e6xxx_g1_vtu_vid_read(chip, &next);
+ err = mv88e6xxx_g1_vtu_stu_getnext(chip, &next);
if (err)
return err;
diff --git a/drivers/net/dsa/mv88e6xxx/global1.h b/drivers/net/dsa/mv88e6xxx/global1.h
index 9644ca649838..5d276cc4262b 100644
--- a/drivers/net/dsa/mv88e6xxx/global1.h
+++ b/drivers/net/dsa/mv88e6xxx/global1.h
@@ -70,6 +70,8 @@ int mv88e6xxx_g1_vtu_op_wait(struct mv88e6xxx_chip *chip);
int mv88e6xxx_g1_vtu_op(struct mv88e6xxx_chip *chip, u16 op);
int mv88e6xxx_g1_vtu_getnext(struct mv88e6xxx_chip *chip,
struct mv88e6xxx_vtu_entry *entry);
+int mv88e6xxx_g1_vtu_stu_getnext(struct mv88e6xxx_chip *chip,
+ struct mv88e6xxx_vtu_entry *vtu);
int mv88e6xxx_g1_vtu_flush(struct mv88e6xxx_chip *chip);
#endif /* _MV88E6XXX_GLOBAL1_H */
diff --git a/drivers/net/dsa/mv88e6xxx/global1_vtu.c b/drivers/net/dsa/mv88e6xxx/global1_vtu.c
index e550c9f013e4..b7b6e089acfe 100644
--- a/drivers/net/dsa/mv88e6xxx/global1_vtu.c
+++ b/drivers/net/dsa/mv88e6xxx/global1_vtu.c
@@ -174,6 +174,26 @@ int mv88e6185_g1_vtu_data_write(struct mv88e6xxx_chip *chip,
/* VLAN Translation Unit Operations */
+int mv88e6xxx_g1_vtu_stu_getnext(struct mv88e6xxx_chip *chip,
+ struct mv88e6xxx_vtu_entry *entry)
+{
+ int err;
+
+ err = mv88e6xxx_g1_vtu_sid_write(chip, entry);
+ if (err)
+ return err;
+
+ err = mv88e6xxx_g1_vtu_op(chip, GLOBAL_VTU_OP_STU_GET_NEXT);
+ if (err)
+ return err;
+
+ err = mv88e6xxx_g1_vtu_sid_read(chip, entry);
+ if (err)
+ return err;
+
+ return mv88e6xxx_g1_vtu_vid_read(chip, entry);
+}
+
int mv88e6xxx_g1_vtu_getnext(struct mv88e6xxx_chip *chip,
struct mv88e6xxx_vtu_entry *entry)
{
--
2.12.2
^ permalink raw reply related
* [PATCH net-next 09/18] net: dsa: mv88e6xxx: move VTU Data accessors
From: Vivien Didelot @ 2017-04-26 15:53 UTC (permalink / raw)
To: netdev
Cc: linux-kernel, kernel, David S. Miller, Florian Fainelli,
Andrew Lunn, Vivien Didelot
In-Reply-To: <20170426155336.5937-1-vivien.didelot@savoirfairelinux.com>
The code to access the VTU Data registers currently only supports the
88E6185 family and alike: 2-bit membership adjacent to 2-bit port state.
Even though the 88E6352 family introduced an indirect table to program
the VLAN Spanning Tree states, the usage of the VTU Data registers
remains the same regardless the VTU or STU operation.
Now that the mv88e6xxx_vtu_entry structure contains both port membership
and states data, factorize the code to access them in global1_vtu.c.
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
---
drivers/net/dsa/mv88e6xxx/chip.c | 88 +++------------------------------
drivers/net/dsa/mv88e6xxx/global1.h | 4 ++
drivers/net/dsa/mv88e6xxx/global1_vtu.c | 61 +++++++++++++++++++++++
3 files changed, 72 insertions(+), 81 deletions(-)
diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c
index 70b420e134ce..b163e40bf42e 100644
--- a/drivers/net/dsa/mv88e6xxx/chip.c
+++ b/drivers/net/dsa/mv88e6xxx/chip.c
@@ -1263,80 +1263,6 @@ static void mv88e6xxx_port_fast_age(struct dsa_switch *ds, int port)
netdev_err(ds->ports[port].netdev, "failed to flush ATU\n");
}
-static int _mv88e6xxx_vtu_stu_data_read(struct mv88e6xxx_chip *chip,
- struct mv88e6xxx_vtu_entry *entry,
- unsigned int nibble_offset)
-{
- u16 regs[3];
- int i, err;
-
- for (i = 0; i < 3; ++i) {
- u16 *reg = ®s[i];
-
- err = mv88e6xxx_g1_read(chip, GLOBAL_VTU_DATA_0_3 + i, reg);
- if (err)
- return err;
- }
-
- for (i = 0; i < mv88e6xxx_num_ports(chip); ++i) {
- unsigned int shift = (i % 4) * 4 + nibble_offset;
- u16 reg = regs[i / 4];
-
- entry->state[i] = (reg >> shift) & GLOBAL_VTU_STU_DATA_MASK;
- }
-
- return 0;
-}
-
-static int mv88e6xxx_vtu_data_read(struct mv88e6xxx_chip *chip,
- struct mv88e6xxx_vtu_entry *entry)
-{
- return _mv88e6xxx_vtu_stu_data_read(chip, entry, 0);
-}
-
-static int mv88e6xxx_stu_data_read(struct mv88e6xxx_chip *chip,
- struct mv88e6xxx_vtu_entry *entry)
-{
- return _mv88e6xxx_vtu_stu_data_read(chip, entry, 2);
-}
-
-static int _mv88e6xxx_vtu_stu_data_write(struct mv88e6xxx_chip *chip,
- struct mv88e6xxx_vtu_entry *entry,
- unsigned int nibble_offset)
-{
- u16 regs[3] = { 0 };
- int i, err;
-
- for (i = 0; i < mv88e6xxx_num_ports(chip); ++i) {
- unsigned int shift = (i % 4) * 4 + nibble_offset;
- u8 data = entry->state[i];
-
- regs[i / 4] |= (data & GLOBAL_VTU_STU_DATA_MASK) << shift;
- }
-
- for (i = 0; i < 3; ++i) {
- u16 reg = regs[i];
-
- err = mv88e6xxx_g1_write(chip, GLOBAL_VTU_DATA_0_3 + i, reg);
- if (err)
- return err;
- }
-
- return 0;
-}
-
-static int mv88e6xxx_vtu_data_write(struct mv88e6xxx_chip *chip,
- struct mv88e6xxx_vtu_entry *entry)
-{
- return _mv88e6xxx_vtu_stu_data_write(chip, entry, 0);
-}
-
-static int mv88e6xxx_stu_data_write(struct mv88e6xxx_chip *chip,
- struct mv88e6xxx_vtu_entry *entry)
-{
- return _mv88e6xxx_vtu_stu_data_write(chip, entry, 2);
-}
-
static int _mv88e6xxx_vtu_getnext(struct mv88e6xxx_chip *chip,
struct mv88e6xxx_vtu_entry *entry)
{
@@ -1349,10 +1275,6 @@ static int _mv88e6xxx_vtu_getnext(struct mv88e6xxx_chip *chip,
return err;
if (next.valid) {
- err = mv88e6xxx_vtu_data_read(chip, &next);
- if (err)
- return err;
-
if (mv88e6xxx_has(chip, MV88E6XXX_FLAG_G1_VTU_FID)) {
err = mv88e6xxx_g1_vtu_fid_read(chip, &next);
if (err)
@@ -1374,6 +1296,10 @@ static int _mv88e6xxx_vtu_getnext(struct mv88e6xxx_chip *chip,
if (err)
return err;
}
+
+ err = mv88e6185_g1_vtu_data_read(chip, &next);
+ if (err)
+ return err;
}
*entry = next;
@@ -1459,7 +1385,7 @@ static int _mv88e6xxx_vtu_loadpurge(struct mv88e6xxx_chip *chip,
goto loadpurge;
/* Write port member tags */
- err = mv88e6xxx_vtu_data_write(chip, entry);
+ err = mv88e6185_g1_vtu_data_write(chip, entry);
if (err)
return err;
@@ -1513,7 +1439,7 @@ static int _mv88e6xxx_stu_getnext(struct mv88e6xxx_chip *chip, u8 sid,
return err;
if (next.valid) {
- err = mv88e6xxx_stu_data_read(chip, &next);
+ err = mv88e6185_g1_vtu_data_read(chip, &next);
if (err)
return err;
}
@@ -1535,7 +1461,7 @@ static int _mv88e6xxx_stu_loadpurge(struct mv88e6xxx_chip *chip,
goto loadpurge;
/* Write port states */
- err = mv88e6xxx_stu_data_write(chip, entry);
+ err = mv88e6185_g1_vtu_data_write(chip, entry);
if (err)
return err;
loadpurge:
diff --git a/drivers/net/dsa/mv88e6xxx/global1.h b/drivers/net/dsa/mv88e6xxx/global1.h
index 66216848fc0d..9644ca649838 100644
--- a/drivers/net/dsa/mv88e6xxx/global1.h
+++ b/drivers/net/dsa/mv88e6xxx/global1.h
@@ -62,6 +62,10 @@ int mv88e6xxx_g1_vtu_vid_read(struct mv88e6xxx_chip *chip,
struct mv88e6xxx_vtu_entry *entry);
int mv88e6xxx_g1_vtu_vid_write(struct mv88e6xxx_chip *chip,
struct mv88e6xxx_vtu_entry *entry);
+int mv88e6185_g1_vtu_data_read(struct mv88e6xxx_chip *chip,
+ struct mv88e6xxx_vtu_entry *entry);
+int mv88e6185_g1_vtu_data_write(struct mv88e6xxx_chip *chip,
+ struct mv88e6xxx_vtu_entry *entry);
int mv88e6xxx_g1_vtu_op_wait(struct mv88e6xxx_chip *chip);
int mv88e6xxx_g1_vtu_op(struct mv88e6xxx_chip *chip, u16 op);
int mv88e6xxx_g1_vtu_getnext(struct mv88e6xxx_chip *chip,
diff --git a/drivers/net/dsa/mv88e6xxx/global1_vtu.c b/drivers/net/dsa/mv88e6xxx/global1_vtu.c
index efe43d7d9e10..e550c9f013e4 100644
--- a/drivers/net/dsa/mv88e6xxx/global1_vtu.c
+++ b/drivers/net/dsa/mv88e6xxx/global1_vtu.c
@@ -111,6 +111,67 @@ int mv88e6xxx_g1_vtu_vid_write(struct mv88e6xxx_chip *chip,
return mv88e6xxx_g1_write(chip, GLOBAL_VTU_VID, val);
}
+/* Offset 0x07: VTU/STU Data Register 1
+ * Offset 0x08: VTU/STU Data Register 2
+ * Offset 0x09: VTU/STU Data Register 3
+ */
+
+int mv88e6185_g1_vtu_data_read(struct mv88e6xxx_chip *chip,
+ struct mv88e6xxx_vtu_entry *entry)
+{
+ u16 regs[3];
+ int i;
+
+ /* Read all 3 VTU/STU Data registers */
+ for (i = 0; i < 3; ++i) {
+ u16 *reg = ®s[i];
+ int err;
+
+ err = mv88e6xxx_g1_read(chip, GLOBAL_VTU_DATA_0_3 + i, reg);
+ if (err)
+ return err;
+ }
+
+ /* Extract MemberTag and PortState data */
+ for (i = 0; i < mv88e6xxx_num_ports(chip); ++i) {
+ unsigned int member_offset = (i % 4) * 4;
+ unsigned int state_offset = member_offset + 2;
+
+ entry->member[i] = (regs[i / 4] >> member_offset) & 0x3;
+ entry->state[i] = (regs[i / 4] >> state_offset) & 0x3;
+ }
+
+ return 0;
+}
+
+int mv88e6185_g1_vtu_data_write(struct mv88e6xxx_chip *chip,
+ struct mv88e6xxx_vtu_entry *entry)
+{
+ u16 regs[3] = { 0 };
+ int i;
+
+ /* Insert MemberTag and PortState data */
+ for (i = 0; i < mv88e6xxx_num_ports(chip); ++i) {
+ unsigned int member_offset = (i % 4) * 4;
+ unsigned int state_offset = member_offset + 2;
+
+ regs[i / 4] |= (entry->member[i] & 0x3) << member_offset;
+ regs[i / 4] |= (entry->state[i] & 0x3) << state_offset;
+ }
+
+ /* Write all 3 VTU/STU Data registers */
+ for (i = 0; i < 3; ++i) {
+ u16 reg = regs[i];
+ int err;
+
+ err = mv88e6xxx_g1_write(chip, GLOBAL_VTU_DATA_0_3 + i, reg);
+ if (err)
+ return err;
+ }
+
+ return 0;
+}
+
/* VLAN Translation Unit Operations */
int mv88e6xxx_g1_vtu_getnext(struct mv88e6xxx_chip *chip,
--
2.12.2
^ permalink raw reply related
* [PATCH net-next 07/18] net: dsa: mv88e6xxx: move VTU VID accessors
From: Vivien Didelot @ 2017-04-26 15:53 UTC (permalink / raw)
To: netdev
Cc: linux-kernel, kernel, David S. Miller, Florian Fainelli,
Andrew Lunn, Vivien Didelot
In-Reply-To: <20170426155336.5937-1-vivien.didelot@savoirfairelinux.com>
Add helpers to access the VTU VID register in the global1_vtu.c file.
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
---
drivers/net/dsa/mv88e6xxx/chip.c | 57 +++++++++++++--------------------
drivers/net/dsa/mv88e6xxx/global1.h | 4 +++
drivers/net/dsa/mv88e6xxx/global1_vtu.c | 29 +++++++++++++++++
3 files changed, 56 insertions(+), 34 deletions(-)
diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c
index ec621879439d..dce490e78347 100644
--- a/drivers/net/dsa/mv88e6xxx/chip.c
+++ b/drivers/net/dsa/mv88e6xxx/chip.c
@@ -1337,12 +1337,6 @@ static int mv88e6xxx_stu_data_write(struct mv88e6xxx_chip *chip,
return _mv88e6xxx_vtu_stu_data_write(chip, entry, 2);
}
-static int _mv88e6xxx_vtu_vid_write(struct mv88e6xxx_chip *chip, u16 vid)
-{
- return mv88e6xxx_g1_write(chip, GLOBAL_VTU_VID,
- vid & GLOBAL_VTU_VID_MASK);
-}
-
static int _mv88e6xxx_vtu_getnext(struct mv88e6xxx_chip *chip,
struct mv88e6xxx_vtu_entry *entry)
{
@@ -1358,13 +1352,10 @@ static int _mv88e6xxx_vtu_getnext(struct mv88e6xxx_chip *chip,
if (err)
return err;
- err = mv88e6xxx_g1_read(chip, GLOBAL_VTU_VID, &val);
+ err = mv88e6xxx_g1_vtu_vid_read(chip, &next);
if (err)
return err;
- next.vid = val & GLOBAL_VTU_VID_MASK;
- next.valid = !!(val & GLOBAL_VTU_VID_VALID);
-
if (next.valid) {
err = mv88e6xxx_vtu_data_read(chip, &next);
if (err)
@@ -1410,7 +1401,9 @@ static int mv88e6xxx_port_vlan_dump(struct dsa_switch *ds, int port,
int (*cb)(struct switchdev_obj *obj))
{
struct mv88e6xxx_chip *chip = ds->priv;
- struct mv88e6xxx_vtu_entry next;
+ struct mv88e6xxx_vtu_entry next = {
+ .vid = chip->info->max_vid,
+ };
u16 pvid;
int err;
@@ -1423,7 +1416,7 @@ static int mv88e6xxx_port_vlan_dump(struct dsa_switch *ds, int port,
if (err)
goto unlock;
- err = _mv88e6xxx_vtu_vid_write(chip, GLOBAL_VTU_VID_MASK);
+ err = mv88e6xxx_g1_vtu_vid_write(chip, &next);
if (err)
goto unlock;
@@ -1464,13 +1457,16 @@ static int _mv88e6xxx_vtu_loadpurge(struct mv88e6xxx_chip *chip,
struct mv88e6xxx_vtu_entry *entry)
{
u16 op = GLOBAL_VTU_OP_VTU_LOAD_PURGE;
- u16 reg = 0;
int err;
err = mv88e6xxx_g1_vtu_op_wait(chip);
if (err)
return err;
+ err = mv88e6xxx_g1_vtu_vid_write(chip, entry);
+ if (err)
+ return err;
+
if (!entry->valid)
goto loadpurge;
@@ -1496,14 +1492,7 @@ static int _mv88e6xxx_vtu_loadpurge(struct mv88e6xxx_chip *chip,
op |= (entry->fid & 0xf0) << 8;
op |= entry->fid & 0xf;
}
-
- reg = GLOBAL_VTU_VID_VALID;
loadpurge:
- reg |= entry->vid & GLOBAL_VTU_VID_MASK;
- err = mv88e6xxx_g1_write(chip, GLOBAL_VTU_VID, reg);
- if (err)
- return err;
-
return mv88e6xxx_g1_vtu_op(chip, op);
}
@@ -1513,7 +1502,6 @@ static int _mv88e6xxx_stu_getnext(struct mv88e6xxx_chip *chip, u8 sid,
struct mv88e6xxx_vtu_entry next = {
.sid = sid,
};
- u16 val;
int err;
err = mv88e6xxx_g1_vtu_op_wait(chip);
@@ -1532,12 +1520,10 @@ static int _mv88e6xxx_stu_getnext(struct mv88e6xxx_chip *chip, u8 sid,
if (err)
return err;
- err = mv88e6xxx_g1_read(chip, GLOBAL_VTU_VID, &val);
+ err = mv88e6xxx_g1_vtu_vid_read(chip, &next);
if (err)
return err;
- next.valid = !!(val & GLOBAL_VTU_VID_VALID);
-
if (next.valid) {
err = mv88e6xxx_stu_data_read(chip, &next);
if (err)
@@ -1551,7 +1537,6 @@ static int _mv88e6xxx_stu_getnext(struct mv88e6xxx_chip *chip, u8 sid,
static int _mv88e6xxx_stu_loadpurge(struct mv88e6xxx_chip *chip,
struct mv88e6xxx_vtu_entry *entry)
{
- u16 reg = 0;
int err;
err = mv88e6xxx_g1_vtu_op_wait(chip);
@@ -1565,10 +1550,8 @@ static int _mv88e6xxx_stu_loadpurge(struct mv88e6xxx_chip *chip,
err = mv88e6xxx_stu_data_write(chip, entry);
if (err)
return err;
-
- reg = GLOBAL_VTU_VID_VALID;
loadpurge:
- err = mv88e6xxx_g1_write(chip, GLOBAL_VTU_VID, reg);
+ err = mv88e6xxx_g1_vtu_vid_write(chip, entry);
if (err)
return err;
@@ -1582,7 +1565,9 @@ static int _mv88e6xxx_stu_loadpurge(struct mv88e6xxx_chip *chip,
static int mv88e6xxx_atu_new(struct mv88e6xxx_chip *chip, u16 *fid)
{
DECLARE_BITMAP(fid_bitmap, MV88E6XXX_N_FID);
- struct mv88e6xxx_vtu_entry vlan;
+ struct mv88e6xxx_vtu_entry vlan = {
+ .vid = chip->info->max_vid,
+ };
int i, err;
bitmap_zero(fid_bitmap, MV88E6XXX_N_FID);
@@ -1597,7 +1582,7 @@ static int mv88e6xxx_atu_new(struct mv88e6xxx_chip *chip, u16 *fid)
}
/* Set every FID bit used by the VLAN entries */
- err = _mv88e6xxx_vtu_vid_write(chip, GLOBAL_VTU_VID_MASK);
+ err = mv88e6xxx_g1_vtu_vid_write(chip, &vlan);
if (err)
return err;
@@ -1681,7 +1666,9 @@ static int _mv88e6xxx_vtu_get(struct mv88e6xxx_chip *chip, u16 vid,
if (!vid)
return -EINVAL;
- err = _mv88e6xxx_vtu_vid_write(chip, vid - 1);
+ entry->vid = vid - 1;
+ entry->valid = false;
+ err = mv88e6xxx_g1_vtu_vid_write(chip, entry);
if (err)
return err;
@@ -1706,7 +1693,9 @@ static int mv88e6xxx_port_check_hw_vlan(struct dsa_switch *ds, int port,
u16 vid_begin, u16 vid_end)
{
struct mv88e6xxx_chip *chip = ds->priv;
- struct mv88e6xxx_vtu_entry vlan;
+ struct mv88e6xxx_vtu_entry vlan = {
+ .vid = vid_begin - 1,
+ };
int i, err;
if (!vid_begin)
@@ -1714,7 +1703,7 @@ static int mv88e6xxx_port_check_hw_vlan(struct dsa_switch *ds, int port,
mutex_lock(&chip->reg_lock);
- err = _mv88e6xxx_vtu_vid_write(chip, vid_begin - 1);
+ err = mv88e6xxx_g1_vtu_vid_write(chip, &vlan);
if (err)
goto unlock;
@@ -2076,7 +2065,7 @@ static int mv88e6xxx_port_db_dump(struct mv88e6xxx_chip *chip, int port,
return err;
/* Dump VLANs' Filtering Information Databases */
- err = _mv88e6xxx_vtu_vid_write(chip, vlan.vid);
+ err = mv88e6xxx_g1_vtu_vid_write(chip, &vlan);
if (err)
return err;
diff --git a/drivers/net/dsa/mv88e6xxx/global1.h b/drivers/net/dsa/mv88e6xxx/global1.h
index 1bf235085215..22fe22bd82cd 100644
--- a/drivers/net/dsa/mv88e6xxx/global1.h
+++ b/drivers/net/dsa/mv88e6xxx/global1.h
@@ -58,6 +58,10 @@ int mv88e6xxx_g1_vtu_sid_read(struct mv88e6xxx_chip *chip,
struct mv88e6xxx_vtu_entry *entry);
int mv88e6xxx_g1_vtu_sid_write(struct mv88e6xxx_chip *chip,
struct mv88e6xxx_vtu_entry *entry);
+int mv88e6xxx_g1_vtu_vid_read(struct mv88e6xxx_chip *chip,
+ struct mv88e6xxx_vtu_entry *entry);
+int mv88e6xxx_g1_vtu_vid_write(struct mv88e6xxx_chip *chip,
+ struct mv88e6xxx_vtu_entry *entry);
int mv88e6xxx_g1_vtu_op_wait(struct mv88e6xxx_chip *chip);
int mv88e6xxx_g1_vtu_op(struct mv88e6xxx_chip *chip, u16 op);
int mv88e6xxx_g1_vtu_flush(struct mv88e6xxx_chip *chip);
diff --git a/drivers/net/dsa/mv88e6xxx/global1_vtu.c b/drivers/net/dsa/mv88e6xxx/global1_vtu.c
index 201c063d15f2..6ac3d0eeae6b 100644
--- a/drivers/net/dsa/mv88e6xxx/global1_vtu.c
+++ b/drivers/net/dsa/mv88e6xxx/global1_vtu.c
@@ -82,6 +82,35 @@ int mv88e6xxx_g1_vtu_op(struct mv88e6xxx_chip *chip, u16 op)
return mv88e6xxx_g1_vtu_op_wait(chip);
}
+/* Offset 0x06: VTU VID Register */
+
+int mv88e6xxx_g1_vtu_vid_read(struct mv88e6xxx_chip *chip,
+ struct mv88e6xxx_vtu_entry *entry)
+{
+ u16 val;
+ int err;
+
+ err = mv88e6xxx_g1_read(chip, GLOBAL_VTU_VID, &val);
+ if (err)
+ return err;
+
+ entry->vid = val & 0xfff;
+ entry->valid = !!(val & GLOBAL_VTU_VID_VALID);
+
+ return 0;
+}
+
+int mv88e6xxx_g1_vtu_vid_write(struct mv88e6xxx_chip *chip,
+ struct mv88e6xxx_vtu_entry *entry)
+{
+ u16 val = entry->vid & 0xfff;
+
+ if (entry->valid)
+ val |= GLOBAL_VTU_VID_VALID;
+
+ return mv88e6xxx_g1_write(chip, GLOBAL_VTU_VID, val);
+}
+
/* VLAN Translation Unit Operations */
int mv88e6xxx_g1_vtu_flush(struct mv88e6xxx_chip *chip)
--
2.12.2
^ permalink raw reply related
* [PATCH net-next 06/18] net: dsa: mv88e6xxx: move VTU SID accessors
From: Vivien Didelot @ 2017-04-26 15:53 UTC (permalink / raw)
To: netdev
Cc: linux-kernel, kernel, David S. Miller, Florian Fainelli,
Andrew Lunn, Vivien Didelot
In-Reply-To: <20170426155336.5937-1-vivien.didelot@savoirfairelinux.com>
Add helpers to access the VTU SID register in the global1_vtu.c file.
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
---
drivers/net/dsa/mv88e6xxx/chip.c | 21 ++++++++-------------
drivers/net/dsa/mv88e6xxx/global1.h | 4 ++++
drivers/net/dsa/mv88e6xxx/global1_vtu.c | 25 +++++++++++++++++++++++++
3 files changed, 37 insertions(+), 13 deletions(-)
diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c
index 0452543a2463..ec621879439d 100644
--- a/drivers/net/dsa/mv88e6xxx/chip.c
+++ b/drivers/net/dsa/mv88e6xxx/chip.c
@@ -1387,11 +1387,9 @@ static int _mv88e6xxx_vtu_getnext(struct mv88e6xxx_chip *chip,
}
if (mv88e6xxx_has(chip, MV88E6XXX_FLAG_STU)) {
- err = mv88e6xxx_g1_read(chip, GLOBAL_VTU_SID, &val);
+ err = mv88e6xxx_g1_vtu_sid_read(chip, &next);
if (err)
return err;
-
- next.sid = val & GLOBAL_VTU_SID_MASK;
}
}
@@ -1482,8 +1480,7 @@ static int _mv88e6xxx_vtu_loadpurge(struct mv88e6xxx_chip *chip,
return err;
if (mv88e6xxx_has(chip, MV88E6XXX_FLAG_STU)) {
- reg = entry->sid & GLOBAL_VTU_SID_MASK;
- err = mv88e6xxx_g1_write(chip, GLOBAL_VTU_SID, reg);
+ err = mv88e6xxx_g1_vtu_sid_write(chip, entry);
if (err)
return err;
}
@@ -1513,7 +1510,9 @@ static int _mv88e6xxx_vtu_loadpurge(struct mv88e6xxx_chip *chip,
static int _mv88e6xxx_stu_getnext(struct mv88e6xxx_chip *chip, u8 sid,
struct mv88e6xxx_vtu_entry *entry)
{
- struct mv88e6xxx_vtu_entry next = { 0 };
+ struct mv88e6xxx_vtu_entry next = {
+ .sid = sid,
+ };
u16 val;
int err;
@@ -1521,8 +1520,7 @@ static int _mv88e6xxx_stu_getnext(struct mv88e6xxx_chip *chip, u8 sid,
if (err)
return err;
- err = mv88e6xxx_g1_write(chip, GLOBAL_VTU_SID,
- sid & GLOBAL_VTU_SID_MASK);
+ err = mv88e6xxx_g1_vtu_sid_write(chip, &next);
if (err)
return err;
@@ -1530,12 +1528,10 @@ static int _mv88e6xxx_stu_getnext(struct mv88e6xxx_chip *chip, u8 sid,
if (err)
return err;
- err = mv88e6xxx_g1_read(chip, GLOBAL_VTU_SID, &val);
+ err = mv88e6xxx_g1_vtu_sid_read(chip, &next);
if (err)
return err;
- next.sid = val & GLOBAL_VTU_SID_MASK;
-
err = mv88e6xxx_g1_read(chip, GLOBAL_VTU_VID, &val);
if (err)
return err;
@@ -1576,8 +1572,7 @@ static int _mv88e6xxx_stu_loadpurge(struct mv88e6xxx_chip *chip,
if (err)
return err;
- reg = entry->sid & GLOBAL_VTU_SID_MASK;
- err = mv88e6xxx_g1_write(chip, GLOBAL_VTU_SID, reg);
+ err = mv88e6xxx_g1_vtu_sid_write(chip, entry);
if (err)
return err;
diff --git a/drivers/net/dsa/mv88e6xxx/global1.h b/drivers/net/dsa/mv88e6xxx/global1.h
index 353de283362f..1bf235085215 100644
--- a/drivers/net/dsa/mv88e6xxx/global1.h
+++ b/drivers/net/dsa/mv88e6xxx/global1.h
@@ -54,6 +54,10 @@ int mv88e6xxx_g1_vtu_fid_read(struct mv88e6xxx_chip *chip,
struct mv88e6xxx_vtu_entry *entry);
int mv88e6xxx_g1_vtu_fid_write(struct mv88e6xxx_chip *chip,
struct mv88e6xxx_vtu_entry *entry);
+int mv88e6xxx_g1_vtu_sid_read(struct mv88e6xxx_chip *chip,
+ struct mv88e6xxx_vtu_entry *entry);
+int mv88e6xxx_g1_vtu_sid_write(struct mv88e6xxx_chip *chip,
+ struct mv88e6xxx_vtu_entry *entry);
int mv88e6xxx_g1_vtu_op_wait(struct mv88e6xxx_chip *chip);
int mv88e6xxx_g1_vtu_op(struct mv88e6xxx_chip *chip, u16 op);
int mv88e6xxx_g1_vtu_flush(struct mv88e6xxx_chip *chip);
diff --git a/drivers/net/dsa/mv88e6xxx/global1_vtu.c b/drivers/net/dsa/mv88e6xxx/global1_vtu.c
index 81d6f9f3c84a..201c063d15f2 100644
--- a/drivers/net/dsa/mv88e6xxx/global1_vtu.c
+++ b/drivers/net/dsa/mv88e6xxx/global1_vtu.c
@@ -39,6 +39,31 @@ int mv88e6xxx_g1_vtu_fid_write(struct mv88e6xxx_chip *chip,
return mv88e6xxx_g1_write(chip, GLOBAL_VTU_FID, val);
}
+/* Offset 0x03: VTU SID Register */
+
+int mv88e6xxx_g1_vtu_sid_read(struct mv88e6xxx_chip *chip,
+ struct mv88e6xxx_vtu_entry *entry)
+{
+ u16 val;
+ int err;
+
+ err = mv88e6xxx_g1_read(chip, GLOBAL_VTU_SID, &val);
+ if (err)
+ return err;
+
+ entry->sid = val & GLOBAL_VTU_SID_MASK;
+
+ return 0;
+}
+
+int mv88e6xxx_g1_vtu_sid_write(struct mv88e6xxx_chip *chip,
+ struct mv88e6xxx_vtu_entry *entry)
+{
+ u16 val = entry->sid & GLOBAL_VTU_SID_MASK;
+
+ return mv88e6xxx_g1_write(chip, GLOBAL_VTU_SID, val);
+}
+
/* Offset 0x05: VTU Operation Register */
int mv88e6xxx_g1_vtu_op_wait(struct mv88e6xxx_chip *chip)
--
2.12.2
^ permalink raw reply related
* [PATCH net-next 05/18] net: dsa: mv88e6xxx: move VTU FID accessors
From: Vivien Didelot @ 2017-04-26 15:53 UTC (permalink / raw)
To: netdev
Cc: linux-kernel, kernel, David S. Miller, Florian Fainelli,
Andrew Lunn, Vivien Didelot
In-Reply-To: <20170426155336.5937-1-vivien.didelot@savoirfairelinux.com>
Add helpers to access the VTU FID register in the global1_vtu.c file.
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
---
drivers/net/dsa/mv88e6xxx/chip.c | 7 ++-----
drivers/net/dsa/mv88e6xxx/global1.h | 4 ++++
drivers/net/dsa/mv88e6xxx/global1_vtu.c | 25 +++++++++++++++++++++++++
3 files changed, 31 insertions(+), 5 deletions(-)
diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c
index d244c2283138..0452543a2463 100644
--- a/drivers/net/dsa/mv88e6xxx/chip.c
+++ b/drivers/net/dsa/mv88e6xxx/chip.c
@@ -1371,11 +1371,9 @@ static int _mv88e6xxx_vtu_getnext(struct mv88e6xxx_chip *chip,
return err;
if (mv88e6xxx_has(chip, MV88E6XXX_FLAG_G1_VTU_FID)) {
- err = mv88e6xxx_g1_read(chip, GLOBAL_VTU_FID, &val);
+ err = mv88e6xxx_g1_vtu_fid_read(chip, &next);
if (err)
return err;
-
- next.fid = val & GLOBAL_VTU_FID_MASK;
} else if (mv88e6xxx_num_databases(chip) == 256) {
/* VTU DBNum[7:4] are located in VTU Operation 11:8, and
* VTU DBNum[3:0] are located in VTU Operation 3:0
@@ -1491,8 +1489,7 @@ static int _mv88e6xxx_vtu_loadpurge(struct mv88e6xxx_chip *chip,
}
if (mv88e6xxx_has(chip, MV88E6XXX_FLAG_G1_VTU_FID)) {
- reg = entry->fid & GLOBAL_VTU_FID_MASK;
- err = mv88e6xxx_g1_write(chip, GLOBAL_VTU_FID, reg);
+ err = mv88e6xxx_g1_vtu_fid_write(chip, entry);
if (err)
return err;
} else if (mv88e6xxx_num_databases(chip) == 256) {
diff --git a/drivers/net/dsa/mv88e6xxx/global1.h b/drivers/net/dsa/mv88e6xxx/global1.h
index ed40e5557bbc..353de283362f 100644
--- a/drivers/net/dsa/mv88e6xxx/global1.h
+++ b/drivers/net/dsa/mv88e6xxx/global1.h
@@ -50,6 +50,10 @@ int mv88e6xxx_g1_atu_flush(struct mv88e6xxx_chip *chip, u16 fid, bool all);
int mv88e6xxx_g1_atu_remove(struct mv88e6xxx_chip *chip, u16 fid, int port,
bool all);
+int mv88e6xxx_g1_vtu_fid_read(struct mv88e6xxx_chip *chip,
+ struct mv88e6xxx_vtu_entry *entry);
+int mv88e6xxx_g1_vtu_fid_write(struct mv88e6xxx_chip *chip,
+ struct mv88e6xxx_vtu_entry *entry);
int mv88e6xxx_g1_vtu_op_wait(struct mv88e6xxx_chip *chip);
int mv88e6xxx_g1_vtu_op(struct mv88e6xxx_chip *chip, u16 op);
int mv88e6xxx_g1_vtu_flush(struct mv88e6xxx_chip *chip);
diff --git a/drivers/net/dsa/mv88e6xxx/global1_vtu.c b/drivers/net/dsa/mv88e6xxx/global1_vtu.c
index c41ca28da084..81d6f9f3c84a 100644
--- a/drivers/net/dsa/mv88e6xxx/global1_vtu.c
+++ b/drivers/net/dsa/mv88e6xxx/global1_vtu.c
@@ -14,6 +14,31 @@
#include "mv88e6xxx.h"
#include "global1.h"
+/* Offset 0x02: VTU FID Register */
+
+int mv88e6xxx_g1_vtu_fid_read(struct mv88e6xxx_chip *chip,
+ struct mv88e6xxx_vtu_entry *entry)
+{
+ u16 val;
+ int err;
+
+ err = mv88e6xxx_g1_read(chip, GLOBAL_VTU_FID, &val);
+ if (err)
+ return err;
+
+ entry->fid = val & GLOBAL_VTU_FID_MASK;
+
+ return 0;
+}
+
+int mv88e6xxx_g1_vtu_fid_write(struct mv88e6xxx_chip *chip,
+ struct mv88e6xxx_vtu_entry *entry)
+{
+ u16 val = entry->fid & GLOBAL_VTU_FID_MASK;
+
+ return mv88e6xxx_g1_write(chip, GLOBAL_VTU_FID, val);
+}
+
/* Offset 0x05: VTU Operation Register */
int mv88e6xxx_g1_vtu_op_wait(struct mv88e6xxx_chip *chip)
--
2.12.2
^ permalink raw reply related
* [PATCH net-next 01/18] net: dsa: mv88e6xxx: add max VID to info
From: Vivien Didelot @ 2017-04-26 15:53 UTC (permalink / raw)
To: netdev
Cc: linux-kernel, kernel, David S. Miller, Florian Fainelli,
Andrew Lunn, Vivien Didelot
In-Reply-To: <20170426155336.5937-1-vivien.didelot@savoirfairelinux.com>
Some chips don't have a VLAN Table Unit, most of them do have a 4K
table, some others as the 88E6390 family has a 13th bit for the VID.
Add a new max_vid member to the info structure, used to check the
presence of a VTU as well as the value used to iterate from in VTU
GetNext operations.
This makes the MV88E6XXX_FLAG_VTU obsolete, thus remove it.
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
---
drivers/net/dsa/mv88e6xxx/chip.c | 38 ++++++++++++++++++++++++++---------
drivers/net/dsa/mv88e6xxx/mv88e6xxx.h | 13 ++----------
2 files changed, 31 insertions(+), 20 deletions(-)
diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c
index 44ba8cff5631..e45ddf3e90e8 100644
--- a/drivers/net/dsa/mv88e6xxx/chip.c
+++ b/drivers/net/dsa/mv88e6xxx/chip.c
@@ -1440,7 +1440,7 @@ static int mv88e6xxx_port_vlan_dump(struct dsa_switch *ds, int port,
u16 pvid;
int err;
- if (!mv88e6xxx_has(chip, MV88E6XXX_FLAG_VTU))
+ if (!chip->info->max_vid)
return -EOPNOTSUPP;
mutex_lock(&chip->reg_lock);
@@ -1478,7 +1478,7 @@ static int mv88e6xxx_port_vlan_dump(struct dsa_switch *ds, int port,
err = cb(&vlan->obj);
if (err)
break;
- } while (next.vid < GLOBAL_VTU_VID_MASK);
+ } while (next.vid < chip->info->max_vid);
unlock:
mutex_unlock(&chip->reg_lock);
@@ -1640,7 +1640,7 @@ static int mv88e6xxx_atu_new(struct mv88e6xxx_chip *chip, u16 *fid)
break;
set_bit(vlan.fid, fid_bitmap);
- } while (vlan.vid < GLOBAL_VTU_VID_MASK);
+ } while (vlan.vid < chip->info->max_vid);
/* The reset value 0x000 is used to indicate that multiple address
* databases are not needed. Return the next positive available.
@@ -1799,7 +1799,7 @@ static int mv88e6xxx_port_vlan_filtering(struct dsa_switch *ds, int port,
PORT_CONTROL_2_8021Q_DISABLED;
int err;
- if (!mv88e6xxx_has(chip, MV88E6XXX_FLAG_VTU))
+ if (!chip->info->max_vid)
return -EOPNOTSUPP;
mutex_lock(&chip->reg_lock);
@@ -1817,7 +1817,7 @@ mv88e6xxx_port_vlan_prepare(struct dsa_switch *ds, int port,
struct mv88e6xxx_chip *chip = ds->priv;
int err;
- if (!mv88e6xxx_has(chip, MV88E6XXX_FLAG_VTU))
+ if (!chip->info->max_vid)
return -EOPNOTSUPP;
/* If the requested port doesn't belong to the same bridge as the VLAN
@@ -1860,7 +1860,7 @@ static void mv88e6xxx_port_vlan_add(struct dsa_switch *ds, int port,
bool pvid = vlan->flags & BRIDGE_VLAN_INFO_PVID;
u16 vid;
- if (!mv88e6xxx_has(chip, MV88E6XXX_FLAG_VTU))
+ if (!chip->info->max_vid)
return;
mutex_lock(&chip->reg_lock);
@@ -1921,7 +1921,7 @@ static int mv88e6xxx_port_vlan_del(struct dsa_switch *ds, int port,
u16 pvid, vid;
int err = 0;
- if (!mv88e6xxx_has(chip, MV88E6XXX_FLAG_VTU))
+ if (!chip->info->max_vid)
return -EOPNOTSUPP;
mutex_lock(&chip->reg_lock);
@@ -2090,7 +2090,7 @@ static int mv88e6xxx_port_db_dump(struct mv88e6xxx_chip *chip, int port,
int (*cb)(struct switchdev_obj *obj))
{
struct mv88e6xxx_vtu_entry vlan = {
- .vid = GLOBAL_VTU_VID_MASK, /* all ones */
+ .vid = chip->info->max_vid,
};
u16 fid;
int err;
@@ -2121,7 +2121,7 @@ static int mv88e6xxx_port_db_dump(struct mv88e6xxx_chip *chip, int port,
obj, cb);
if (err)
return err;
- } while (vlan.vid < GLOBAL_VTU_VID_MASK);
+ } while (vlan.vid < chip->info->max_vid);
return err;
}
@@ -3685,6 +3685,7 @@ static const struct mv88e6xxx_info mv88e6xxx_table[] = {
.name = "Marvell 88E6085",
.num_databases = 4096,
.num_ports = 10,
+ .max_vid = 4095,
.port_base_addr = 0x10,
.global1_addr = 0x1b,
.age_time_coeff = 15000,
@@ -3702,6 +3703,7 @@ static const struct mv88e6xxx_info mv88e6xxx_table[] = {
.name = "Marvell 88E6095/88E6095F",
.num_databases = 256,
.num_ports = 11,
+ .max_vid = 4095,
.port_base_addr = 0x10,
.global1_addr = 0x1b,
.age_time_coeff = 15000,
@@ -3718,6 +3720,7 @@ static const struct mv88e6xxx_info mv88e6xxx_table[] = {
.name = "Marvell 88E6097/88E6097F",
.num_databases = 4096,
.num_ports = 11,
+ .max_vid = 4095,
.port_base_addr = 0x10,
.global1_addr = 0x1b,
.age_time_coeff = 15000,
@@ -3735,6 +3738,7 @@ static const struct mv88e6xxx_info mv88e6xxx_table[] = {
.name = "Marvell 88E6123",
.num_databases = 4096,
.num_ports = 3,
+ .max_vid = 4095,
.port_base_addr = 0x10,
.global1_addr = 0x1b,
.age_time_coeff = 15000,
@@ -3752,6 +3756,7 @@ static const struct mv88e6xxx_info mv88e6xxx_table[] = {
.name = "Marvell 88E6131",
.num_databases = 256,
.num_ports = 8,
+ .max_vid = 4095,
.port_base_addr = 0x10,
.global1_addr = 0x1b,
.age_time_coeff = 15000,
@@ -3768,6 +3773,7 @@ static const struct mv88e6xxx_info mv88e6xxx_table[] = {
.name = "Marvell 88E6341",
.num_databases = 4096,
.num_ports = 6,
+ .max_vid = 4095,
.port_base_addr = 0x10,
.global1_addr = 0x1b,
.age_time_coeff = 3750,
@@ -3784,6 +3790,7 @@ static const struct mv88e6xxx_info mv88e6xxx_table[] = {
.name = "Marvell 88E6161",
.num_databases = 4096,
.num_ports = 6,
+ .max_vid = 4095,
.port_base_addr = 0x10,
.global1_addr = 0x1b,
.age_time_coeff = 15000,
@@ -3801,6 +3808,7 @@ static const struct mv88e6xxx_info mv88e6xxx_table[] = {
.name = "Marvell 88E6165",
.num_databases = 4096,
.num_ports = 6,
+ .max_vid = 4095,
.port_base_addr = 0x10,
.global1_addr = 0x1b,
.age_time_coeff = 15000,
@@ -3818,6 +3826,7 @@ static const struct mv88e6xxx_info mv88e6xxx_table[] = {
.name = "Marvell 88E6171",
.num_databases = 4096,
.num_ports = 7,
+ .max_vid = 4095,
.port_base_addr = 0x10,
.global1_addr = 0x1b,
.age_time_coeff = 15000,
@@ -3835,6 +3844,7 @@ static const struct mv88e6xxx_info mv88e6xxx_table[] = {
.name = "Marvell 88E6172",
.num_databases = 4096,
.num_ports = 7,
+ .max_vid = 4095,
.port_base_addr = 0x10,
.global1_addr = 0x1b,
.age_time_coeff = 15000,
@@ -3852,6 +3862,7 @@ static const struct mv88e6xxx_info mv88e6xxx_table[] = {
.name = "Marvell 88E6175",
.num_databases = 4096,
.num_ports = 7,
+ .max_vid = 4095,
.port_base_addr = 0x10,
.global1_addr = 0x1b,
.age_time_coeff = 15000,
@@ -3869,6 +3880,7 @@ static const struct mv88e6xxx_info mv88e6xxx_table[] = {
.name = "Marvell 88E6176",
.num_databases = 4096,
.num_ports = 7,
+ .max_vid = 4095,
.port_base_addr = 0x10,
.global1_addr = 0x1b,
.age_time_coeff = 15000,
@@ -3886,6 +3898,7 @@ static const struct mv88e6xxx_info mv88e6xxx_table[] = {
.name = "Marvell 88E6185",
.num_databases = 256,
.num_ports = 10,
+ .max_vid = 4095,
.port_base_addr = 0x10,
.global1_addr = 0x1b,
.age_time_coeff = 15000,
@@ -3953,6 +3966,7 @@ static const struct mv88e6xxx_info mv88e6xxx_table[] = {
.name = "Marvell 88E6240",
.num_databases = 4096,
.num_ports = 7,
+ .max_vid = 4095,
.port_base_addr = 0x10,
.global1_addr = 0x1b,
.age_time_coeff = 15000,
@@ -3987,6 +4001,7 @@ static const struct mv88e6xxx_info mv88e6xxx_table[] = {
.name = "Marvell 88E6320",
.num_databases = 4096,
.num_ports = 7,
+ .max_vid = 4095,
.port_base_addr = 0x10,
.global1_addr = 0x1b,
.age_time_coeff = 15000,
@@ -4004,6 +4019,7 @@ static const struct mv88e6xxx_info mv88e6xxx_table[] = {
.name = "Marvell 88E6321",
.num_databases = 4096,
.num_ports = 7,
+ .max_vid = 4095,
.port_base_addr = 0x10,
.global1_addr = 0x1b,
.age_time_coeff = 15000,
@@ -4020,6 +4036,7 @@ static const struct mv88e6xxx_info mv88e6xxx_table[] = {
.name = "Marvell 88E6341",
.num_databases = 4096,
.num_ports = 6,
+ .max_vid = 4095,
.port_base_addr = 0x10,
.global1_addr = 0x1b,
.age_time_coeff = 3750,
@@ -4036,6 +4053,7 @@ static const struct mv88e6xxx_info mv88e6xxx_table[] = {
.name = "Marvell 88E6350",
.num_databases = 4096,
.num_ports = 7,
+ .max_vid = 4095,
.port_base_addr = 0x10,
.global1_addr = 0x1b,
.age_time_coeff = 15000,
@@ -4053,6 +4071,7 @@ static const struct mv88e6xxx_info mv88e6xxx_table[] = {
.name = "Marvell 88E6351",
.num_databases = 4096,
.num_ports = 7,
+ .max_vid = 4095,
.port_base_addr = 0x10,
.global1_addr = 0x1b,
.age_time_coeff = 15000,
@@ -4070,6 +4089,7 @@ static const struct mv88e6xxx_info mv88e6xxx_table[] = {
.name = "Marvell 88E6352",
.num_databases = 4096,
.num_ports = 7,
+ .max_vid = 4095,
.port_base_addr = 0x10,
.global1_addr = 0x1b,
.age_time_coeff = 15000,
diff --git a/drivers/net/dsa/mv88e6xxx/mv88e6xxx.h b/drivers/net/dsa/mv88e6xxx/mv88e6xxx.h
index c8f54986996b..5695ca206620 100644
--- a/drivers/net/dsa/mv88e6xxx/mv88e6xxx.h
+++ b/drivers/net/dsa/mv88e6xxx/mv88e6xxx.h
@@ -567,7 +567,6 @@ enum mv88e6xxx_cap {
#define MV88E6XXX_FLAG_G2_POT BIT_ULL(MV88E6XXX_CAP_G2_POT)
#define MV88E6XXX_FLAG_STU BIT_ULL(MV88E6XXX_CAP_STU)
-#define MV88E6XXX_FLAG_VTU BIT_ULL(MV88E6XXX_CAP_VTU)
/* Ingress Rate Limit unit */
#define MV88E6XXX_FLAGS_IRL \
@@ -587,7 +586,6 @@ enum mv88e6xxx_cap {
#define MV88E6XXX_FLAGS_FAMILY_6095 \
(MV88E6XXX_FLAG_GLOBAL2 | \
MV88E6XXX_FLAG_G2_MGMT_EN_0X | \
- MV88E6XXX_FLAG_VTU | \
MV88E6XXX_FLAGS_MULTI_CHIP)
#define MV88E6XXX_FLAGS_FAMILY_6097 \
@@ -598,7 +596,6 @@ enum mv88e6xxx_cap {
MV88E6XXX_FLAG_G2_MGMT_EN_0X | \
MV88E6XXX_FLAG_G2_POT | \
MV88E6XXX_FLAG_STU | \
- MV88E6XXX_FLAG_VTU | \
MV88E6XXX_FLAGS_IRL | \
MV88E6XXX_FLAGS_MULTI_CHIP)
@@ -610,7 +607,6 @@ enum mv88e6xxx_cap {
MV88E6XXX_FLAG_G2_MGMT_EN_0X | \
MV88E6XXX_FLAG_G2_POT | \
MV88E6XXX_FLAG_STU | \
- MV88E6XXX_FLAG_VTU | \
MV88E6XXX_FLAGS_IRL | \
MV88E6XXX_FLAGS_MULTI_CHIP)
@@ -618,8 +614,7 @@ enum mv88e6xxx_cap {
(MV88E6XXX_FLAG_GLOBAL2 | \
MV88E6XXX_FLAG_G2_INT | \
MV88E6XXX_FLAG_G2_MGMT_EN_0X | \
- MV88E6XXX_FLAGS_MULTI_CHIP | \
- MV88E6XXX_FLAG_VTU)
+ MV88E6XXX_FLAGS_MULTI_CHIP)
#define MV88E6XXX_FLAGS_FAMILY_6320 \
(MV88E6XXX_FLAG_EEE | \
@@ -627,7 +622,6 @@ enum mv88e6xxx_cap {
MV88E6XXX_FLAG_G2_MGMT_EN_2X | \
MV88E6XXX_FLAG_G2_MGMT_EN_0X | \
MV88E6XXX_FLAG_G2_POT | \
- MV88E6XXX_FLAG_VTU | \
MV88E6XXX_FLAGS_IRL | \
MV88E6XXX_FLAGS_MULTI_CHIP)
@@ -638,7 +632,6 @@ enum mv88e6xxx_cap {
MV88E6XXX_FLAG_G2_INT | \
MV88E6XXX_FLAG_G2_POT | \
MV88E6XXX_FLAG_STU | \
- MV88E6XXX_FLAG_VTU | \
MV88E6XXX_FLAGS_IRL | \
MV88E6XXX_FLAGS_MULTI_CHIP | \
MV88E6XXX_FLAGS_SERDES)
@@ -651,7 +644,6 @@ enum mv88e6xxx_cap {
MV88E6XXX_FLAG_G2_MGMT_EN_0X | \
MV88E6XXX_FLAG_G2_POT | \
MV88E6XXX_FLAG_STU | \
- MV88E6XXX_FLAG_VTU | \
MV88E6XXX_FLAGS_IRL | \
MV88E6XXX_FLAGS_MULTI_CHIP)
@@ -664,7 +656,6 @@ enum mv88e6xxx_cap {
MV88E6XXX_FLAG_G2_MGMT_EN_0X | \
MV88E6XXX_FLAG_G2_POT | \
MV88E6XXX_FLAG_STU | \
- MV88E6XXX_FLAG_VTU | \
MV88E6XXX_FLAGS_IRL | \
MV88E6XXX_FLAGS_MULTI_CHIP | \
MV88E6XXX_FLAGS_SERDES)
@@ -674,7 +665,6 @@ enum mv88e6xxx_cap {
MV88E6XXX_FLAG_GLOBAL2 | \
MV88E6XXX_FLAG_G2_INT | \
MV88E6XXX_FLAG_STU | \
- MV88E6XXX_FLAG_VTU | \
MV88E6XXX_FLAGS_IRL | \
MV88E6XXX_FLAGS_MULTI_CHIP)
@@ -686,6 +676,7 @@ struct mv88e6xxx_info {
const char *name;
unsigned int num_databases;
unsigned int num_ports;
+ unsigned int max_vid;
unsigned int port_base_addr;
unsigned int global1_addr;
unsigned int age_time_coeff;
--
2.12.2
^ permalink raw reply related
* [PATCH net-next 00/18] net: dsa: mv88e6xxx: 802.1s and 88E6390 VTU
From: Vivien Didelot @ 2017-04-26 15:53 UTC (permalink / raw)
To: netdev
Cc: linux-kernel, kernel, David S. Miller, Florian Fainelli,
Andrew Lunn, Vivien Didelot
This patch series adds support for the VLAN Table Unit (a.k.a. the VTU)
to the 88E6390 family of Marvell Ethernet switch chips. The plumbing for
the per VLAN Spanning Tree support is added as a side effect of the
necessary refactoring.
The patchset is split up so that no duplication of code is introduced.
With this patchset applied, the mv88e6xxx driver has 2 new function
pointers for the VTU GetNext and VTU Load/Purge operations (with 3
implementations), both handling programmation of 802.1q and 802.1s.
On a ZII Rev C board (featuring 2 88E6390X chips) with all ports bridged
together, we obtain the following hardware VLAN configuration:
# cat /sys/class/net/br0/bridge/vlan_filtering
1
# cat /sys/class/net/br0/bridge/default_pvid
42
# bridge vlan add dev lan3 vid 666
# bridge vlan show
port vlan ids
lan1 42 PVID Egress Untagged
lan1 42 PVID Egress Untagged
lan2 42 PVID Egress Untagged
lan2 42 PVID Egress Untagged
lan3 42 PVID Egress Untagged
666
lan3 42 PVID Egress Untagged
666
lan4 42 PVID Egress Untagged
lan4 42 PVID Egress Untagged
lan5 42 PVID Egress Untagged
lan5 42 PVID Egress Untagged
lan6 42 PVID Egress Untagged
lan6 42 PVID Egress Untagged
lan7 42 PVID Egress Untagged
lan7 42 PVID Egress Untagged
lan8 42 PVID Egress Untagged
lan8 42 PVID Egress Untagged
br0 42 PVID Egress Untagged
Below are the technical details for the different implementations.
All switch families have up to 3 dedicated VTU Data registers used to
program 802.1q and 802.1s, both using 2-bit values.
On 88E6185 and 88E6352 families, port membership and state are adjacent,
while the 88E6390 family share the same bits:
Bits 88E6185/88E6352 88E6390
----- ----------------- --------------------------
0-1 Port 0 membership Port 0 membership or state
2-3 Port 0 state Port 1 membership or state
4-5 Port 1 membership Port 2 membership or state
6-7 Port 1 state Port 3 membership or state
8-9 Port 2 membership Port 4 membership or state
10-11 Port 2 state Port 5 membership or state
... ... ...
The 88E6185 family programs all ports membership and state in a single
VTU GetNext or Load/Purge operation.
The 88E6352 family introduced an indirect Spanning Tree Unit table
(a.k.a. STU) which requires additional STU GetNext and Load/Purge
operations to read and write the ports state bits.
The 88E6390 family also has an STU and requires data bits to be accessed
before and after every single VTU or STU operation.
Finally, the 88E6390 family introduced a 13th bit for the VLAN ID, which
must be taken care of regardless the VTU operating mode. This means that
iterating over the VTU now starts or ends with value 8191, not 4095.
Patch 1 adds a max_vid field to the chip info structure.
Patch 2 adds 802.1q and 802.1s data to the generic VTU entry structure.
Patches 3 to 10 move helpers to a dedicated file (later made static).
Patches 11 and 12 abstract handling of the STU behind VTU operations.
Patches 13 and 14 add the new function pointers for VTU operations.
Patches 15 and 18 polish the VTU code and add VTU support for 88E6390.
Vivien Didelot (18):
net: dsa: mv88e6xxx: add max VID to info
net: dsa: mv88e6xxx: split VTU entry data member
net: dsa: mv88e6xxx: move VTU Operation accessors
net: dsa: mv88e6xxx: move VTU flush
net: dsa: mv88e6xxx: move VTU FID accessors
net: dsa: mv88e6xxx: move VTU SID accessors
net: dsa: mv88e6xxx: move VTU VID accessors
net: dsa: mv88e6xxx: move generic VTU GetNext
net: dsa: mv88e6xxx: move VTU Data accessors
net: dsa: mv88e6xxx: move STU GetNext operation
net: dsa: mv88e6xxx: get STU entry on VTU GetNext
net: dsa: mv88e6xxx: load STU entry with VTU entry
net: dsa: mv88e6xxx: add VTU GetNext operation
net: dsa: mv88e6xxx: add VTU Load/Purge operation
net: dsa: mv88e6xxx: make VTU helpers static
net: dsa: mv88e6xxx: simplify VTU entry getter
net: dsa: mv88e6xxx: support the VTU Page bit
net: dsa: mv88e6xxx: add VTU support for 88E6390
drivers/net/dsa/mv88e6xxx/Makefile | 1 +
drivers/net/dsa/mv88e6xxx/chip.c | 568 +++++++++-----------------------
drivers/net/dsa/mv88e6xxx/global1.h | 14 +
drivers/net/dsa/mv88e6xxx/global1_vtu.c | 505 ++++++++++++++++++++++++++++
drivers/net/dsa/mv88e6xxx/mv88e6xxx.h | 31 +-
5 files changed, 684 insertions(+), 435 deletions(-)
create mode 100644 drivers/net/dsa/mv88e6xxx/global1_vtu.c
--
2.12.2
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