net: ethernet: ti: cpsw: enable HWTSTAMP_FILTER_PTP_V1_L4_EVENT filter

CPSW driver supports PTP v1 messages, but for unknown reasons this filter
is not advertised. As result,
./tools/testing/selftests/networking/timestamping/timestamping utility
can't be used for testing of CPSW RX timestamping with option
SOF_TIMESTAMPING_RX_HARDWARE, because it uses
HWTSTAMP_FILTER_PTP_V1_L4_SYNC filter.

Hence, fix it by advertising HWTSTAMP_FILTER_PTP_V1_L4_XXX filters
in CPSW driver.

Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/ti/cpsw.c b/drivers/net/ethernet/ti/cpsw.c
index 37fc165..b6a0d92 100644 (file)
--- a/drivers/net/ethernet/ti/cpsw.c
+++ b/drivers/net/ethernet/ti/cpsw.c
@@ -1731,11 +1731,14 @@ static int cpsw_hwtstamp_set(struct net_device *dev, struct ifreq *ifr)
                cpts_rx_enable(cpts, 0);
                break;
        case HWTSTAMP_FILTER_ALL:
+       case HWTSTAMP_FILTER_NTP_ALL:
+               return -ERANGE;
        case HWTSTAMP_FILTER_PTP_V1_L4_EVENT:
        case HWTSTAMP_FILTER_PTP_V1_L4_SYNC:
        case HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ:
-       case HWTSTAMP_FILTER_NTP_ALL:
-               return -ERANGE;
+               cpts_rx_enable(cpts, HWTSTAMP_FILTER_PTP_V1_L4_EVENT);
+               cfg.rx_filter = HWTSTAMP_FILTER_PTP_V1_L4_EVENT;
+               break;
        case HWTSTAMP_FILTER_PTP_V2_L4_EVENT:
        case HWTSTAMP_FILTER_PTP_V2_L4_SYNC:
        case HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ:
@@ -1745,7 +1748,7 @@ static int cpsw_hwtstamp_set(struct net_device *dev, struct ifreq *ifr)
        case HWTSTAMP_FILTER_PTP_V2_EVENT:
        case HWTSTAMP_FILTER_PTP_V2_SYNC:
        case HWTSTAMP_FILTER_PTP_V2_DELAY_REQ:
-               cpts_rx_enable(cpts, 1);
+               cpts_rx_enable(cpts, HWTSTAMP_FILTER_PTP_V2_EVENT);
                cfg.rx_filter = HWTSTAMP_FILTER_PTP_V2_EVENT;
                break;
        default:
@@ -1784,7 +1787,7 @@ static int cpsw_hwtstamp_get(struct net_device *dev, struct ifreq *ifr)
        cfg.tx_type = cpts_is_tx_enabled(cpts) ?
                      HWTSTAMP_TX_ON : HWTSTAMP_TX_OFF;
        cfg.rx_filter = (cpts_is_rx_enabled(cpts) ?
-                        HWTSTAMP_FILTER_PTP_V2_EVENT : HWTSTAMP_FILTER_NONE);
+                        cpts->rx_enable : HWTSTAMP_FILTER_NONE);
 
        return copy_to_user(ifr->ifr_data, &cfg, sizeof(cfg)) ? -EFAULT : 0;
 }
@@ -2141,6 +2144,7 @@ static int cpsw_get_ts_info(struct net_device *ndev,
                (1 << HWTSTAMP_TX_ON);
        info->rx_filters =
                (1 << HWTSTAMP_FILTER_NONE) |
+               (1 << HWTSTAMP_FILTER_PTP_V1_L4_EVENT) |
                (1 << HWTSTAMP_FILTER_PTP_V2_EVENT);
        return 0;
 }