* Re: [PATCH v2 net-next 2/3] qede: add per queue coalesce support for qede driver
@ 2021-02-10 8:43 kernel test robot
0 siblings, 0 replies; 3+ messages in thread
From: kernel test robot @ 2021-02-10 8:43 UTC (permalink / raw)
To: kbuild
[-- Attachment #1: Type: text/plain, Size: 5639 bytes --]
CC: kbuild-all(a)lists.01.org
In-Reply-To: <1612906019-31724-3-git-send-email-bupadhaya@marvell.com>
References: <1612906019-31724-3-git-send-email-bupadhaya@marvell.com>
TO: Bhaskar Upadhaya <bupadhaya@marvell.com>
TO: netdev(a)vger.kernel.org
TO: kuba(a)kernel.org
TO: aelior(a)marvell.com
TO: irusskikh(a)marvell.com
CC: davem(a)davemloft.net
CC: bupadhaya(a)marvell.com
Hi Bhaskar,
Thank you for the patch! Perhaps something to improve:
[auto build test WARNING on net-next/master]
url: https://github.com/0day-ci/linux/commits/Bhaskar-Upadhaya/qede-add-netpoll-and-per-queue-coalesce-support/20210210-080747
base: https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git 6626a0266566c5aea16178c5e6cd7fc4db3f2f56
:::::: branch date: 9 hours ago
:::::: commit date: 9 hours ago
config: i386-randconfig-m021-20210209 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-15) 9.3.0
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
New smatch warnings:
drivers/net/ethernet/qlogic/qede/qede_ethtool.c:2188 qede_get_per_coalesce() warn: assigning (-22) to unsigned variable 'rc'
Old smatch warnings:
drivers/net/ethernet/qlogic/qede/qede_ethtool.c:2193 qede_get_per_coalesce() warn: assigning (-22) to unsigned variable 'rc'
vim +/rc +2188 drivers/net/ethernet/qlogic/qede/qede_ethtool.c
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2170
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2171 static int qede_get_per_coalesce(struct net_device *dev,
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2172 u32 queue,
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2173 struct ethtool_coalesce *coal)
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2174 {
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2175 void *rx_handle = NULL, *tx_handle = NULL;
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2176 struct qede_dev *edev = netdev_priv(dev);
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2177 u16 rx_coal, tx_coal, rc = 0;
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2178 struct qede_fastpath *fp;
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2179
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2180 rx_coal = QED_DEFAULT_RX_USECS;
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2181 tx_coal = QED_DEFAULT_TX_USECS;
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2182
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2183 memset(coal, 0, sizeof(struct ethtool_coalesce));
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2184
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2185 __qede_lock(edev);
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2186 if (queue >= edev->num_queues) {
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2187 DP_INFO(edev, "Invalid queue\n");
75a56157c75052 Bhaskar Upadhaya 2021-02-09 @2188 rc = -EINVAL;
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2189 goto out;
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2190 }
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2191
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2192 if (edev->state != QEDE_STATE_OPEN) {
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2193 rc = -EINVAL;
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2194 goto out;
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2195 }
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2196
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2197 fp = &edev->fp_array[queue];
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2198
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2199 if (fp->type & QEDE_FASTPATH_RX)
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2200 rx_handle = fp->rxq->handle;
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2201
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2202 rc = edev->ops->get_coalesce(edev->cdev, &rx_coal,
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2203 rx_handle);
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2204 if (rc) {
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2205 DP_INFO(edev, "Read Rx coalesce error\n");
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2206 goto out;
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2207 }
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2208
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2209 fp = &edev->fp_array[queue];
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2210 if (fp->type & QEDE_FASTPATH_TX)
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2211 tx_handle = fp->txq->handle;
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2212
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2213 rc = edev->ops->get_coalesce(edev->cdev, &tx_coal,
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2214 tx_handle);
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2215 if (rc)
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2216 DP_INFO(edev, "Read Tx coalesce error\n");
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2217
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2218 out:
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2219 __qede_unlock(edev);
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2220
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2221 coal->rx_coalesce_usecs = rx_coal;
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2222 coal->tx_coalesce_usecs = tx_coal;
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2223
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2224 return rc;
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2225 }
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2226
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
[-- Attachment #2: config.gz --]
[-- Type: application/gzip, Size: 37136 bytes --]
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PATCH v2 net-next 2/3] qede: add per queue coalesce support for qede driver
2021-02-09 21:26 ` [PATCH v2 net-next 2/3] qede: add per queue coalesce support for qede driver Bhaskar Upadhaya
@ 2021-02-10 8:57 ` Dan Carpenter
0 siblings, 0 replies; 3+ messages in thread
From: Dan Carpenter @ 2021-02-10 8:57 UTC (permalink / raw)
To: kbuild
[-- Attachment #1: Type: text/plain, Size: 5165 bytes --]
Hi Bhaskar,
url: https://github.com/0day-ci/linux/commits/Bhaskar-Upadhaya/qede-add-netpoll-and-per-queue-coalesce-support/20210210-080747
base: https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git 6626a0266566c5aea16178c5e6cd7fc4db3f2f56
config: i386-randconfig-m021-20210209 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-15) 9.3.0
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
New smatch warnings:
drivers/net/ethernet/qlogic/qede/qede_ethtool.c:2188 qede_get_per_coalesce() warn: assigning (-22) to unsigned variable 'rc'
Old smatch warnings:
drivers/net/ethernet/qlogic/qede/qede_ethtool.c:2193 qede_get_per_coalesce() warn: assigning (-22) to unsigned variable 'rc'
vim +/rc +2188 drivers/net/ethernet/qlogic/qede/qede_ethtool.c
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2171 static int qede_get_per_coalesce(struct net_device *dev,
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2172 u32 queue,
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2173 struct ethtool_coalesce *coal)
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2174 {
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2175 void *rx_handle = NULL, *tx_handle = NULL;
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2176 struct qede_dev *edev = netdev_priv(dev);
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2177 u16 rx_coal, tx_coal, rc = 0;
"rc" needs to be int.
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2178 struct qede_fastpath *fp;
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2179
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2180 rx_coal = QED_DEFAULT_RX_USECS;
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2181 tx_coal = QED_DEFAULT_TX_USECS;
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2182
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2183 memset(coal, 0, sizeof(struct ethtool_coalesce));
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2184
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2185 __qede_lock(edev);
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2186 if (queue >= edev->num_queues) {
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2187 DP_INFO(edev, "Invalid queue\n");
75a56157c75052 Bhaskar Upadhaya 2021-02-09 @2188 rc = -EINVAL;
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2189 goto out;
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2190 }
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2191
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2192 if (edev->state != QEDE_STATE_OPEN) {
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2193 rc = -EINVAL;
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2194 goto out;
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2195 }
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2196
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2197 fp = &edev->fp_array[queue];
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2198
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2199 if (fp->type & QEDE_FASTPATH_RX)
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2200 rx_handle = fp->rxq->handle;
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2201
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2202 rc = edev->ops->get_coalesce(edev->cdev, &rx_coal,
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2203 rx_handle);
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2204 if (rc) {
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2205 DP_INFO(edev, "Read Rx coalesce error\n");
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2206 goto out;
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2207 }
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2208
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2209 fp = &edev->fp_array[queue];
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2210 if (fp->type & QEDE_FASTPATH_TX)
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2211 tx_handle = fp->txq->handle;
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2212
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2213 rc = edev->ops->get_coalesce(edev->cdev, &tx_coal,
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2214 tx_handle);
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2215 if (rc)
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2216 DP_INFO(edev, "Read Tx coalesce error\n");
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2217
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2218 out:
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2219 __qede_unlock(edev);
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2220
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2221 coal->rx_coalesce_usecs = rx_coal;
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2222 coal->tx_coalesce_usecs = tx_coal;
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2223
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2224 return rc;
75a56157c75052 Bhaskar Upadhaya 2021-02-09 2225 }
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
_______________________________________________
kbuild mailing list -- kbuild(a)lists.01.org
To unsubscribe send an email to kbuild-leave(a)lists.01.org
[-- Attachment #2: config.gz --]
[-- Type: application/gzip, Size: 37136 bytes --]
^ permalink raw reply [flat|nested] 3+ messages in thread
* [PATCH v2 net-next 2/3] qede: add per queue coalesce support for qede driver
2021-02-09 21:26 [PATCH v2 net-next 0/3] qede: add netpoll and per-queue coalesce support Bhaskar Upadhaya
@ 2021-02-09 21:26 ` Bhaskar Upadhaya
2021-02-10 8:57 ` Dan Carpenter
0 siblings, 1 reply; 3+ messages in thread
From: Bhaskar Upadhaya @ 2021-02-09 21:26 UTC (permalink / raw)
To: netdev, kuba, aelior, irusskikh; +Cc: davem, bupadhaya
per queue coalescing allows better and more finegrained control
over interrupt rates.
Signed-off-by: Bhaskar Upadhaya <bupadhaya@marvell.com>
Signed-off-by: Igor Russkikh <irusskikh@marvell.com>
Signed-off-by: Ariel Elior <aelior@marvell.com>
---
.../net/ethernet/qlogic/qede/qede_ethtool.c | 123 ++++++++++++++++++
1 file changed, 123 insertions(+)
diff --git a/drivers/net/ethernet/qlogic/qede/qede_ethtool.c b/drivers/net/ethernet/qlogic/qede/qede_ethtool.c
index bedbb85a179a..522736968496 100644
--- a/drivers/net/ethernet/qlogic/qede/qede_ethtool.c
+++ b/drivers/net/ethernet/qlogic/qede/qede_ethtool.c
@@ -2105,6 +2105,125 @@ static int qede_get_dump_data(struct net_device *dev,
return rc;
}
+static int qede_set_per_coalesce(struct net_device *dev,
+ u32 queue,
+ struct ethtool_coalesce *coal)
+{
+ struct qede_dev *edev = netdev_priv(dev);
+ struct qede_fastpath *fp;
+ u16 rxc, txc;
+ int rc = 0;
+
+ if (coal->rx_coalesce_usecs > QED_COALESCE_MAX ||
+ coal->tx_coalesce_usecs > QED_COALESCE_MAX) {
+ DP_INFO(edev,
+ "Can't support requested %s coalesce value [max supported value %d]\n",
+ coal->rx_coalesce_usecs > QED_COALESCE_MAX ? "rx"
+ : "tx",
+ QED_COALESCE_MAX);
+ return -EINVAL;
+ }
+
+ rxc = (u16)coal->rx_coalesce_usecs;
+ txc = (u16)coal->tx_coalesce_usecs;
+
+ __qede_lock(edev);
+ if (queue >= edev->num_queues) {
+ DP_INFO(edev, "Invalid queue\n");
+ rc = -EINVAL;
+ goto out;
+ }
+
+ if (edev->state != QEDE_STATE_OPEN) {
+ rc = -EINVAL;
+ goto out;
+ }
+
+ fp = &edev->fp_array[queue];
+
+ if (edev->fp_array[queue].type & QEDE_FASTPATH_RX) {
+ rc = edev->ops->common->set_coalesce(edev->cdev,
+ rxc, 0,
+ fp->rxq->handle);
+ if (rc) {
+ DP_INFO(edev,
+ "Set RX coalesce error, rc = %d\n", rc);
+ goto out;
+ }
+ }
+
+ if (edev->fp_array[queue].type & QEDE_FASTPATH_TX) {
+ rc = edev->ops->common->set_coalesce(edev->cdev,
+ 0, txc,
+ fp->txq->handle);
+ if (rc) {
+ DP_INFO(edev,
+ "Set TX coalesce error, rc = %d\n", rc);
+ goto out;
+ }
+ }
+out:
+ __qede_unlock(edev);
+
+ return rc;
+}
+
+static int qede_get_per_coalesce(struct net_device *dev,
+ u32 queue,
+ struct ethtool_coalesce *coal)
+{
+ void *rx_handle = NULL, *tx_handle = NULL;
+ struct qede_dev *edev = netdev_priv(dev);
+ u16 rx_coal, tx_coal, rc = 0;
+ struct qede_fastpath *fp;
+
+ rx_coal = QED_DEFAULT_RX_USECS;
+ tx_coal = QED_DEFAULT_TX_USECS;
+
+ memset(coal, 0, sizeof(struct ethtool_coalesce));
+
+ __qede_lock(edev);
+ if (queue >= edev->num_queues) {
+ DP_INFO(edev, "Invalid queue\n");
+ rc = -EINVAL;
+ goto out;
+ }
+
+ if (edev->state != QEDE_STATE_OPEN) {
+ rc = -EINVAL;
+ goto out;
+ }
+
+ fp = &edev->fp_array[queue];
+
+ if (fp->type & QEDE_FASTPATH_RX)
+ rx_handle = fp->rxq->handle;
+
+ rc = edev->ops->get_coalesce(edev->cdev, &rx_coal,
+ rx_handle);
+ if (rc) {
+ DP_INFO(edev, "Read Rx coalesce error\n");
+ goto out;
+ }
+
+ fp = &edev->fp_array[queue];
+ if (fp->type & QEDE_FASTPATH_TX)
+ tx_handle = fp->txq->handle;
+
+ rc = edev->ops->get_coalesce(edev->cdev, &tx_coal,
+ tx_handle);
+ if (rc)
+ DP_INFO(edev, "Read Tx coalesce error\n");
+
+out:
+ __qede_unlock(edev);
+
+ coal->rx_coalesce_usecs = rx_coal;
+ coal->tx_coalesce_usecs = tx_coal;
+
+ return rc;
+}
+
static const struct ethtool_ops qede_ethtool_ops = {
.supported_coalesce_params = ETHTOOL_COALESCE_USECS,
.get_link_ksettings = qede_get_link_ksettings,
@@ -2148,6 +2267,8 @@ static const struct ethtool_ops qede_ethtool_ops = {
.set_fecparam = qede_set_fecparam,
.get_tunable = qede_get_tunable,
.set_tunable = qede_set_tunable,
+ .get_per_queue_coalesce = qede_get_per_coalesce,
+ .set_per_queue_coalesce = qede_set_per_coalesce,
.flash_device = qede_flash_device,
.get_dump_flag = qede_get_dump_flag,
.get_dump_data = qede_get_dump_data,
@@ -2177,6 +2298,8 @@ static const struct ethtool_ops qede_vf_ethtool_ops = {
.set_rxfh = qede_set_rxfh,
.get_channels = qede_get_channels,
.set_channels = qede_set_channels,
+ .get_per_queue_coalesce = qede_get_per_coalesce,
+ .set_per_queue_coalesce = qede_set_per_coalesce,
.get_tunable = qede_get_tunable,
.set_tunable = qede_set_tunable,
};
--
2.17.1
^ permalink raw reply related [flat|nested] 3+ messages in thread
end of thread, other threads:[~2021-02-10 8:57 UTC | newest]
Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
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2021-02-10 8:43 [PATCH v2 net-next 2/3] qede: add per queue coalesce support for qede driver kernel test robot
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2021-02-09 21:26 [PATCH v2 net-next 0/3] qede: add netpoll and per-queue coalesce support Bhaskar Upadhaya
2021-02-09 21:26 ` [PATCH v2 net-next 2/3] qede: add per queue coalesce support for qede driver Bhaskar Upadhaya
2021-02-10 8:57 ` Dan Carpenter
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