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path: root/drivers/net/ethernet/intel/igb/igb_ptp.c
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Diffstat (limited to 'drivers/net/ethernet/intel/igb/igb_ptp.c')
-rw-r--r--drivers/net/ethernet/intel/igb/igb_ptp.c64
1 files changed, 43 insertions, 21 deletions
diff --git a/drivers/net/ethernet/intel/igb/igb_ptp.c b/drivers/net/ethernet/intel/igb/igb_ptp.c
index 5a54e3dc535d..2cca8fd5e574 100644
--- a/drivers/net/ethernet/intel/igb/igb_ptp.c
+++ b/drivers/net/ethernet/intel/igb/igb_ptp.c
@@ -12,9 +12,8 @@
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, see <http://www.gnu.org/licenses/>.
*/
#include <linux/module.h>
#include <linux/device.h>
@@ -75,6 +74,8 @@
#define INCVALUE_82576 (16 << IGB_82576_TSYNC_SHIFT)
#define IGB_NBITS_82580 40
+static void igb_ptp_tx_hwtstamp(struct igb_adapter *adapter);
+
/* SYSTIM read access for the 82576 */
static cycle_t igb_ptp_read_82576(const struct cyclecounter *cc)
{
@@ -372,7 +373,7 @@ static int igb_ptp_enable(struct ptp_clock_info *ptp,
* This work function polls the TSYNCTXCTL valid bit to determine when a
* timestamp has been taken for the current stored skb.
**/
-void igb_ptp_tx_work(struct work_struct *work)
+static void igb_ptp_tx_work(struct work_struct *work)
{
struct igb_adapter *adapter = container_of(work, struct igb_adapter,
ptp_tx_work);
@@ -386,6 +387,7 @@ void igb_ptp_tx_work(struct work_struct *work)
IGB_PTP_TX_TIMEOUT)) {
dev_kfree_skb_any(adapter->ptp_tx_skb);
adapter->ptp_tx_skb = NULL;
+ clear_bit_unlock(__IGB_PTP_TX_IN_PROGRESS, &adapter->state);
adapter->tx_hwtstamp_timeouts++;
dev_warn(&adapter->pdev->dev, "clearing Tx timestamp hang");
return;
@@ -466,7 +468,7 @@ void igb_ptp_rx_hang(struct igb_adapter *adapter)
* available, then it must have been for this skb here because we only
* allow only one such packet into the queue.
**/
-void igb_ptp_tx_hwtstamp(struct igb_adapter *adapter)
+static void igb_ptp_tx_hwtstamp(struct igb_adapter *adapter)
{
struct e1000_hw *hw = &adapter->hw;
struct skb_shared_hwtstamps shhwtstamps;
@@ -479,6 +481,7 @@ void igb_ptp_tx_hwtstamp(struct igb_adapter *adapter)
skb_tstamp_tx(adapter->ptp_tx_skb, &shhwtstamps);
dev_kfree_skb_any(adapter->ptp_tx_skb);
adapter->ptp_tx_skb = NULL;
+ clear_bit_unlock(__IGB_PTP_TX_IN_PROGRESS, &adapter->state);
}
/**
@@ -540,10 +543,26 @@ void igb_ptp_rx_rgtstamp(struct igb_q_vector *q_vector,
}
/**
- * igb_ptp_hwtstamp_ioctl - control hardware time stamping
+ * igb_ptp_get_ts_config - get hardware time stamping config
+ * @netdev:
+ * @ifreq:
+ *
+ * Get the hwtstamp_config settings to return to the user. Rather than attempt
+ * to deconstruct the settings from the registers, just return a shadow copy
+ * of the last known settings.
+ **/
+int igb_ptp_get_ts_config(struct net_device *netdev, struct ifreq *ifr)
+{
+ struct igb_adapter *adapter = netdev_priv(netdev);
+ struct hwtstamp_config *config = &adapter->tstamp_config;
+
+ return copy_to_user(ifr->ifr_data, config, sizeof(*config)) ?
+ -EFAULT : 0;
+}
+/**
+ * igb_ptp_set_ts_config - control hardware time stamping
* @netdev:
* @ifreq:
- * @cmd:
*
* Outgoing time stamping can be enabled and disabled. Play nice and
* disable it when requested, although it shouldn't case any overhead
@@ -557,12 +576,11 @@ void igb_ptp_rx_rgtstamp(struct igb_q_vector *q_vector,
* not supported, with the exception of "all V2 events regardless of
* level 2 or 4".
**/
-int igb_ptp_hwtstamp_ioctl(struct net_device *netdev,
- struct ifreq *ifr, int cmd)
+int igb_ptp_set_ts_config(struct net_device *netdev, struct ifreq *ifr)
{
struct igb_adapter *adapter = netdev_priv(netdev);
struct e1000_hw *hw = &adapter->hw;
- struct hwtstamp_config config;
+ struct hwtstamp_config *config = &adapter->tstamp_config;
u32 tsync_tx_ctl = E1000_TSYNCTXCTL_ENABLED;
u32 tsync_rx_ctl = E1000_TSYNCRXCTL_ENABLED;
u32 tsync_rx_cfg = 0;
@@ -570,14 +588,14 @@ int igb_ptp_hwtstamp_ioctl(struct net_device *netdev,
bool is_l2 = false;
u32 regval;
- if (copy_from_user(&config, ifr->ifr_data, sizeof(config)))
+ if (copy_from_user(config, ifr->ifr_data, sizeof(*config)))
return -EFAULT;
/* reserved for future extensions */
- if (config.flags)
+ if (config->flags)
return -EINVAL;
- switch (config.tx_type) {
+ switch (config->tx_type) {
case HWTSTAMP_TX_OFF:
tsync_tx_ctl = 0;
case HWTSTAMP_TX_ON:
@@ -586,7 +604,7 @@ int igb_ptp_hwtstamp_ioctl(struct net_device *netdev,
return -ERANGE;
}
- switch (config.rx_filter) {
+ switch (config->rx_filter) {
case HWTSTAMP_FILTER_NONE:
tsync_rx_ctl = 0;
break;
@@ -610,7 +628,7 @@ int igb_ptp_hwtstamp_ioctl(struct net_device *netdev,
case HWTSTAMP_FILTER_PTP_V2_L2_DELAY_REQ:
case HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ:
tsync_rx_ctl |= E1000_TSYNCRXCTL_TYPE_EVENT_V2;
- config.rx_filter = HWTSTAMP_FILTER_PTP_V2_EVENT;
+ config->rx_filter = HWTSTAMP_FILTER_PTP_V2_EVENT;
is_l2 = true;
is_l4 = true;
break;
@@ -621,12 +639,12 @@ int igb_ptp_hwtstamp_ioctl(struct net_device *netdev,
*/
if (hw->mac.type != e1000_82576) {
tsync_rx_ctl |= E1000_TSYNCRXCTL_TYPE_ALL;
- config.rx_filter = HWTSTAMP_FILTER_ALL;
+ config->rx_filter = HWTSTAMP_FILTER_ALL;
break;
}
/* fall through */
default:
- config.rx_filter = HWTSTAMP_FILTER_NONE;
+ config->rx_filter = HWTSTAMP_FILTER_NONE;
return -ERANGE;
}
@@ -643,7 +661,7 @@ int igb_ptp_hwtstamp_ioctl(struct net_device *netdev,
if ((hw->mac.type >= e1000_82580) && tsync_rx_ctl) {
tsync_rx_ctl = E1000_TSYNCRXCTL_ENABLED;
tsync_rx_ctl |= E1000_TSYNCRXCTL_TYPE_ALL;
- config.rx_filter = HWTSTAMP_FILTER_ALL;
+ config->rx_filter = HWTSTAMP_FILTER_ALL;
is_l2 = true;
is_l4 = true;
@@ -707,7 +725,7 @@ int igb_ptp_hwtstamp_ioctl(struct net_device *netdev,
regval = rd32(E1000_RXSTMPL);
regval = rd32(E1000_RXSTMPH);
- return copy_to_user(ifr->ifr_data, &config, sizeof(config)) ?
+ return copy_to_user(ifr->ifr_data, config, sizeof(*config)) ?
-EFAULT : 0;
}
@@ -798,7 +816,7 @@ void igb_ptp_init(struct igb_adapter *adapter)
/* Initialize the time sync interrupts for devices that support it. */
if (hw->mac.type >= e1000_82580) {
- wr32(E1000_TSIM, E1000_TSIM_TXTS);
+ wr32(E1000_TSIM, TSYNC_INTERRUPTS);
wr32(E1000_IMS, E1000_IMS_TS);
}
@@ -841,6 +859,7 @@ void igb_ptp_stop(struct igb_adapter *adapter)
if (adapter->ptp_tx_skb) {
dev_kfree_skb_any(adapter->ptp_tx_skb);
adapter->ptp_tx_skb = NULL;
+ clear_bit_unlock(__IGB_PTP_TX_IN_PROGRESS, &adapter->state);
}
if (adapter->ptp_clock) {
@@ -864,6 +883,9 @@ void igb_ptp_reset(struct igb_adapter *adapter)
if (!(adapter->flags & IGB_FLAG_PTP))
return;
+ /* reset the tstamp_config */
+ memset(&adapter->tstamp_config, 0, sizeof(adapter->tstamp_config));
+
switch (adapter->hw.mac.type) {
case e1000_82576:
/* Dial the nominal frequency. */
@@ -876,7 +898,7 @@ void igb_ptp_reset(struct igb_adapter *adapter)
case e1000_i211:
/* Enable the timer functions and interrupts. */
wr32(E1000_TSAUXC, 0x0);
- wr32(E1000_TSIM, E1000_TSIM_TXTS);
+ wr32(E1000_TSIM, TSYNC_INTERRUPTS);
wr32(E1000_IMS, E1000_IMS_TS);
break;
default:
generated by cgit v1.2.3 (git 2.39.0) at 2024-11-22 03:32:27 +0300