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path: root/drivers/net/ethernet/intel/ixgbe/ixgbe_ptp.c
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Diffstat (limited to 'drivers/net/ethernet/intel/ixgbe/ixgbe_ptp.c')
-rw-r--r--drivers/net/ethernet/intel/ixgbe/ixgbe_ptp.c89
1 files changed, 50 insertions, 39 deletions
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_ptp.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_ptp.c
index 0310af851086..6885d2343c48 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_ptp.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_ptp.c
@@ -140,6 +140,7 @@
* proper mult and shift to convert the cycles into nanoseconds of time.
*/
#define IXGBE_X550_BASE_PERIOD 0xC80000000ULL
+#define IXGBE_E610_BASE_PERIOD 0x333333333ULL
#define INCVALUE_MASK 0x7FFFFFFF
#define ISGN 0x80000000
@@ -326,7 +327,7 @@ static void ixgbe_ptp_setup_sdp_X550(struct ixgbe_adapter *adapter)
* result of SYSTIME is 32bits of "billions of cycles" and 32 bits of
* "cycles", rather than seconds and nanoseconds.
*/
-static u64 ixgbe_ptp_read_X550(const struct cyclecounter *cc)
+static u64 ixgbe_ptp_read_X550(struct cyclecounter *cc)
{
struct ixgbe_adapter *adapter =
container_of(cc, struct ixgbe_adapter, hw_cc);
@@ -363,7 +364,7 @@ static u64 ixgbe_ptp_read_X550(const struct cyclecounter *cc)
* cyclecounter structure used to construct a ns counter from the
* arbitrary fixed point registers
*/
-static u64 ixgbe_ptp_read_82599(const struct cyclecounter *cc)
+static u64 ixgbe_ptp_read_82599(struct cyclecounter *cc)
{
struct ixgbe_adapter *adapter =
container_of(cc, struct ixgbe_adapter, hw_cc);
@@ -415,6 +416,7 @@ static void ixgbe_ptp_convert_to_hwtstamp(struct ixgbe_adapter *adapter,
case ixgbe_mac_X550:
case ixgbe_mac_X550EM_x:
case ixgbe_mac_x550em_a:
+ case ixgbe_mac_e610:
/* Upper 32 bits represent billions of cycles, lower 32 bits
* represent cycles. However, we use timespec64_to_ns for the
* correct math even though the units haven't been corrected
@@ -492,11 +494,13 @@ static int ixgbe_ptp_adjfine_X550(struct ptp_clock_info *ptp, long scaled_ppm)
struct ixgbe_adapter *adapter =
container_of(ptp, struct ixgbe_adapter, ptp_caps);
struct ixgbe_hw *hw = &adapter->hw;
+ u64 rate, base;
bool neg_adj;
- u64 rate;
u32 inca;
- neg_adj = diff_by_scaled_ppm(IXGBE_X550_BASE_PERIOD, scaled_ppm, &rate);
+ base = hw->mac.type == ixgbe_mac_e610 ? IXGBE_E610_BASE_PERIOD :
+ IXGBE_X550_BASE_PERIOD;
+ neg_adj = diff_by_scaled_ppm(base, scaled_ppm, &rate);
/* warn if rate is too large */
if (rate >= INCVALUE_MASK)
@@ -559,6 +563,7 @@ static int ixgbe_ptp_gettimex(struct ptp_clock_info *ptp,
case ixgbe_mac_X550:
case ixgbe_mac_X550EM_x:
case ixgbe_mac_x550em_a:
+ case ixgbe_mac_e610:
/* Upper 32 bits represent billions of cycles, lower 32 bits
* represent cycles. However, we use timespec64_to_ns for the
* correct math even though the units haven't been corrected
@@ -636,7 +641,7 @@ static int ixgbe_ptp_feature_enable(struct ptp_clock_info *ptp,
* disabled
*/
if (rq->type != PTP_CLK_REQ_PPS || !adapter->ptp_setup_sdp)
- return -ENOTSUPP;
+ return -EOPNOTSUPP;
if (on)
adapter->flags2 |= IXGBE_FLAG2_PTP_PPS_ENABLED;
@@ -931,20 +936,22 @@ void ixgbe_ptp_rx_rgtstamp(struct ixgbe_q_vector *q_vector,
}
/**
- * ixgbe_ptp_get_ts_config - get current hardware timestamping configuration
- * @adapter: pointer to adapter structure
- * @ifr: ioctl data
+ * ixgbe_ptp_hwtstamp_get - get current hardware timestamping configuration
+ * @netdev: pointer to net device structure
+ * @config: timestamping configuration structure
*
* This function returns the current timestamping settings. Rather than
* attempt to deconstruct registers to fill in the values, simply keep a copy
* of the old settings around, and return a copy when requested.
*/
-int ixgbe_ptp_get_ts_config(struct ixgbe_adapter *adapter, struct ifreq *ifr)
+int ixgbe_ptp_hwtstamp_get(struct net_device *netdev,
+ struct kernel_hwtstamp_config *config)
{
- struct hwtstamp_config *config = &adapter->tstamp_config;
+ struct ixgbe_adapter *adapter = ixgbe_from_netdev(netdev);
+
+ *config = adapter->tstamp_config;
- return copy_to_user(ifr->ifr_data, config,
- sizeof(*config)) ? -EFAULT : 0;
+ return 0;
}
/**
@@ -973,12 +980,13 @@ int ixgbe_ptp_get_ts_config(struct ixgbe_adapter *adapter, struct ifreq *ifr)
* mode, if required to support the specifically requested mode.
*/
static int ixgbe_ptp_set_timestamp_mode(struct ixgbe_adapter *adapter,
- struct hwtstamp_config *config)
+ struct kernel_hwtstamp_config *config)
{
struct ixgbe_hw *hw = &adapter->hw;
u32 tsync_tx_ctl = IXGBE_TSYNCTXCTL_ENABLED;
u32 tsync_rx_ctl = IXGBE_TSYNCRXCTL_ENABLED;
u32 tsync_rx_mtrl = PTP_EV_PORT << 16;
+ u32 aflags = adapter->flags;
bool is_l2 = false;
u32 regval;
@@ -996,20 +1004,20 @@ static int ixgbe_ptp_set_timestamp_mode(struct ixgbe_adapter *adapter,
case HWTSTAMP_FILTER_NONE:
tsync_rx_ctl = 0;
tsync_rx_mtrl = 0;
- adapter->flags &= ~(IXGBE_FLAG_RX_HWTSTAMP_ENABLED |
- IXGBE_FLAG_RX_HWTSTAMP_IN_REGISTER);
+ aflags &= ~(IXGBE_FLAG_RX_HWTSTAMP_ENABLED |
+ IXGBE_FLAG_RX_HWTSTAMP_IN_REGISTER);
break;
case HWTSTAMP_FILTER_PTP_V1_L4_SYNC:
tsync_rx_ctl |= IXGBE_TSYNCRXCTL_TYPE_L4_V1;
tsync_rx_mtrl |= IXGBE_RXMTRL_V1_SYNC_MSG;
- adapter->flags |= (IXGBE_FLAG_RX_HWTSTAMP_ENABLED |
- IXGBE_FLAG_RX_HWTSTAMP_IN_REGISTER);
+ aflags |= (IXGBE_FLAG_RX_HWTSTAMP_ENABLED |
+ IXGBE_FLAG_RX_HWTSTAMP_IN_REGISTER);
break;
case HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ:
tsync_rx_ctl |= IXGBE_TSYNCRXCTL_TYPE_L4_V1;
tsync_rx_mtrl |= IXGBE_RXMTRL_V1_DELAY_REQ_MSG;
- adapter->flags |= (IXGBE_FLAG_RX_HWTSTAMP_ENABLED |
- IXGBE_FLAG_RX_HWTSTAMP_IN_REGISTER);
+ aflags |= (IXGBE_FLAG_RX_HWTSTAMP_ENABLED |
+ IXGBE_FLAG_RX_HWTSTAMP_IN_REGISTER);
break;
case HWTSTAMP_FILTER_PTP_V2_EVENT:
case HWTSTAMP_FILTER_PTP_V2_L2_EVENT:
@@ -1023,8 +1031,8 @@ static int ixgbe_ptp_set_timestamp_mode(struct ixgbe_adapter *adapter,
tsync_rx_ctl |= IXGBE_TSYNCRXCTL_TYPE_EVENT_V2;
is_l2 = true;
config->rx_filter = HWTSTAMP_FILTER_PTP_V2_EVENT;
- adapter->flags |= (IXGBE_FLAG_RX_HWTSTAMP_ENABLED |
- IXGBE_FLAG_RX_HWTSTAMP_IN_REGISTER);
+ aflags |= (IXGBE_FLAG_RX_HWTSTAMP_ENABLED |
+ IXGBE_FLAG_RX_HWTSTAMP_IN_REGISTER);
break;
case HWTSTAMP_FILTER_PTP_V1_L4_EVENT:
case HWTSTAMP_FILTER_NTP_ALL:
@@ -1035,7 +1043,7 @@ static int ixgbe_ptp_set_timestamp_mode(struct ixgbe_adapter *adapter,
if (hw->mac.type >= ixgbe_mac_X550) {
tsync_rx_ctl |= IXGBE_TSYNCRXCTL_TYPE_ALL;
config->rx_filter = HWTSTAMP_FILTER_ALL;
- adapter->flags |= IXGBE_FLAG_RX_HWTSTAMP_ENABLED;
+ aflags |= IXGBE_FLAG_RX_HWTSTAMP_ENABLED;
break;
}
fallthrough;
@@ -1046,8 +1054,6 @@ static int ixgbe_ptp_set_timestamp_mode(struct ixgbe_adapter *adapter,
* Delay_Req messages and hardware does not support
* timestamping all packets => return error
*/
- adapter->flags &= ~(IXGBE_FLAG_RX_HWTSTAMP_ENABLED |
- IXGBE_FLAG_RX_HWTSTAMP_IN_REGISTER);
config->rx_filter = HWTSTAMP_FILTER_NONE;
return -ERANGE;
}
@@ -1068,6 +1074,7 @@ static int ixgbe_ptp_set_timestamp_mode(struct ixgbe_adapter *adapter,
case ixgbe_mac_X550:
case ixgbe_mac_X550EM_x:
case ixgbe_mac_x550em_a:
+ case ixgbe_mac_e610:
/* enable timestamping all packets only if at least some
* packets were requested. Otherwise, play nice and disable
* timestamping
@@ -1079,8 +1086,8 @@ static int ixgbe_ptp_set_timestamp_mode(struct ixgbe_adapter *adapter,
IXGBE_TSYNCRXCTL_TYPE_ALL |
IXGBE_TSYNCRXCTL_TSIP_UT_EN;
config->rx_filter = HWTSTAMP_FILTER_ALL;
- adapter->flags |= IXGBE_FLAG_RX_HWTSTAMP_ENABLED;
- adapter->flags &= ~IXGBE_FLAG_RX_HWTSTAMP_IN_REGISTER;
+ aflags |= IXGBE_FLAG_RX_HWTSTAMP_ENABLED;
+ aflags &= ~IXGBE_FLAG_RX_HWTSTAMP_IN_REGISTER;
is_l2 = true;
break;
default:
@@ -1113,6 +1120,9 @@ static int ixgbe_ptp_set_timestamp_mode(struct ixgbe_adapter *adapter,
IXGBE_WRITE_FLUSH(hw);
+ /* configure adapter flags only when HW is actually configured */
+ adapter->flags = aflags;
+
/* clear TX/RX time stamp registers, just to be sure */
ixgbe_ptp_clear_tx_timestamp(adapter);
IXGBE_READ_REG(hw, IXGBE_RXSTMPH);
@@ -1121,31 +1131,29 @@ static int ixgbe_ptp_set_timestamp_mode(struct ixgbe_adapter *adapter,
}
/**
- * ixgbe_ptp_set_ts_config - user entry point for timestamp mode
- * @adapter: pointer to adapter struct
- * @ifr: ioctl data
+ * ixgbe_ptp_hwtstamp_set - user entry point for timestamp mode
+ * @netdev: pointer to net device structure
+ * @config: timestamping configuration structure
+ * @extack: netlink extended ack structure for error reporting
*
* Set hardware to requested mode. If unsupported, return an error with no
* changes. Otherwise, store the mode for future reference.
*/
-int ixgbe_ptp_set_ts_config(struct ixgbe_adapter *adapter, struct ifreq *ifr)
+int ixgbe_ptp_hwtstamp_set(struct net_device *netdev,
+ struct kernel_hwtstamp_config *config,
+ struct netlink_ext_ack *extack)
{
- struct hwtstamp_config config;
+ struct ixgbe_adapter *adapter = ixgbe_from_netdev(netdev);
int err;
- if (copy_from_user(&config, ifr->ifr_data, sizeof(config)))
- return -EFAULT;
-
- err = ixgbe_ptp_set_timestamp_mode(adapter, &config);
+ err = ixgbe_ptp_set_timestamp_mode(adapter, config);
if (err)
return err;
/* save these settings for future reference */
- memcpy(&adapter->tstamp_config, &config,
- sizeof(adapter->tstamp_config));
+ adapter->tstamp_config = *config;
- return copy_to_user(ifr->ifr_data, &config, sizeof(config)) ?
- -EFAULT : 0;
+ return 0;
}
static void ixgbe_ptp_link_speed_adjust(struct ixgbe_adapter *adapter,
@@ -1231,6 +1239,7 @@ void ixgbe_ptp_start_cyclecounter(struct ixgbe_adapter *adapter)
fallthrough;
case ixgbe_mac_x550em_a:
case ixgbe_mac_X550:
+ case ixgbe_mac_e610:
cc.read = ixgbe_ptp_read_X550;
break;
case ixgbe_mac_X540:
@@ -1278,6 +1287,7 @@ static void ixgbe_ptp_init_systime(struct ixgbe_adapter *adapter)
case ixgbe_mac_X550EM_x:
case ixgbe_mac_x550em_a:
case ixgbe_mac_X550:
+ case ixgbe_mac_e610:
tsauxc = IXGBE_READ_REG(hw, IXGBE_TSAUXC);
/* Reset SYSTIME registers to 0 */
@@ -1405,6 +1415,7 @@ static long ixgbe_ptp_create_clock(struct ixgbe_adapter *adapter)
case ixgbe_mac_X550:
case ixgbe_mac_X550EM_x:
case ixgbe_mac_x550em_a:
+ case ixgbe_mac_e610:
snprintf(adapter->ptp_caps.name, 16, "%s", netdev->name);
adapter->ptp_caps.owner = THIS_MODULE;
adapter->ptp_caps.max_adj = 30000000;