Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel os linux

net: ti: am65-cpsw: Update hw timestamping filter for PTPv1 RX packets

CPTS module of CPSW supports hardware timestamping of PTPv1 packets.Update
the "hwtstamp_rx_filters" of CPSW driver to enable timestamping of received
PTPv1 packets. Also update the advertised capability to include PTPv1.

Signed-off-by: Vishnu Singh <v-singh1@ti.com>
Reviewed-by: Vadim Fedorenko <vadim.fedorenko@linux.dev>
Reviewed-by: MD Danish Anwar <danishanwar@ti.com>
Link: https://patch.msgid.link/20250917041455.1815579-1-v-singh1@ti.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

authored by

Vishnu Singh and committed by
Jakub Kicinski
97248adb f2cdc4c2

+20 -14
+14 -11
drivers/net/ethernet/ti/am65-cpsw-ethtool.c
··· 694 694 struct kernel_ethtool_ts_info *info) 695 695 { 696 696 struct am65_cpsw_common *common = am65_ndev_to_common(ndev); 697 - unsigned int ptp_v2_filter; 697 + unsigned int ptp_filter; 698 698 699 - ptp_v2_filter = BIT(HWTSTAMP_FILTER_PTP_V2_L4_EVENT) | 700 - BIT(HWTSTAMP_FILTER_PTP_V2_L4_SYNC) | 701 - BIT(HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ) | 702 - BIT(HWTSTAMP_FILTER_PTP_V2_L2_EVENT) | 703 - BIT(HWTSTAMP_FILTER_PTP_V2_L2_SYNC) | 704 - BIT(HWTSTAMP_FILTER_PTP_V2_L2_DELAY_REQ) | 705 - BIT(HWTSTAMP_FILTER_PTP_V2_EVENT) | 706 - BIT(HWTSTAMP_FILTER_PTP_V2_SYNC) | 707 - BIT(HWTSTAMP_FILTER_PTP_V2_DELAY_REQ); 699 + ptp_filter = BIT(HWTSTAMP_FILTER_PTP_V2_L4_EVENT) | 700 + BIT(HWTSTAMP_FILTER_PTP_V2_L4_SYNC) | 701 + BIT(HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ) | 702 + BIT(HWTSTAMP_FILTER_PTP_V2_L2_EVENT) | 703 + BIT(HWTSTAMP_FILTER_PTP_V2_L2_SYNC) | 704 + BIT(HWTSTAMP_FILTER_PTP_V2_L2_DELAY_REQ) | 705 + BIT(HWTSTAMP_FILTER_PTP_V2_EVENT) | 706 + BIT(HWTSTAMP_FILTER_PTP_V2_SYNC) | 707 + BIT(HWTSTAMP_FILTER_PTP_V2_DELAY_REQ) | 708 + BIT(HWTSTAMP_FILTER_PTP_V1_L4_EVENT) | 709 + BIT(HWTSTAMP_FILTER_PTP_V1_L4_SYNC) | 710 + BIT(HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ); 708 711 709 712 if (!IS_ENABLED(CONFIG_TI_K3_AM65_CPTS)) 710 713 return ethtool_op_get_ts_info(ndev, info); ··· 719 716 SOF_TIMESTAMPING_RAW_HARDWARE; 720 717 info->phc_index = am65_cpts_phc_index(common->cpts); 721 718 info->tx_types = BIT(HWTSTAMP_TX_OFF) | BIT(HWTSTAMP_TX_ON); 722 - info->rx_filters = BIT(HWTSTAMP_FILTER_NONE) | ptp_v2_filter; 719 + info->rx_filters = BIT(HWTSTAMP_FILTER_NONE) | ptp_filter; 723 720 return 0; 724 721 } 725 722
+6 -3
drivers/net/ethernet/ti/am65-cpsw-nuss.c
··· 1813 1813 case HWTSTAMP_FILTER_NONE: 1814 1814 port->rx_ts_enabled = false; 1815 1815 break; 1816 + case HWTSTAMP_FILTER_PTP_V1_L4_EVENT: 1817 + case HWTSTAMP_FILTER_PTP_V1_L4_SYNC: 1818 + case HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ: 1816 1819 case HWTSTAMP_FILTER_PTP_V2_L4_EVENT: 1817 1820 case HWTSTAMP_FILTER_PTP_V2_L4_SYNC: 1818 1821 case HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ: ··· 1826 1823 case HWTSTAMP_FILTER_PTP_V2_SYNC: 1827 1824 case HWTSTAMP_FILTER_PTP_V2_DELAY_REQ: 1828 1825 port->rx_ts_enabled = true; 1829 - cfg.rx_filter = HWTSTAMP_FILTER_PTP_V2_EVENT; 1826 + cfg.rx_filter = HWTSTAMP_FILTER_PTP_V2_EVENT | HWTSTAMP_FILTER_PTP_V1_L4_EVENT; 1830 1827 break; 1831 1828 case HWTSTAMP_FILTER_ALL: 1832 1829 case HWTSTAMP_FILTER_SOME: ··· 1887 1884 cfg.flags = 0; 1888 1885 cfg.tx_type = port->tx_ts_enabled ? 1889 1886 HWTSTAMP_TX_ON : HWTSTAMP_TX_OFF; 1890 - cfg.rx_filter = port->rx_ts_enabled ? 1891 - HWTSTAMP_FILTER_PTP_V2_EVENT : HWTSTAMP_FILTER_NONE; 1887 + cfg.rx_filter = port->rx_ts_enabled ? HWTSTAMP_FILTER_PTP_V2_EVENT | 1888 + HWTSTAMP_FILTER_PTP_V1_L4_EVENT : HWTSTAMP_FILTER_NONE; 1892 1889 1893 1890 return copy_to_user(ifr->ifr_data, &cfg, sizeof(cfg)) ? -EFAULT : 0; 1894 1891 }