diff options
23 files changed, 423 insertions, 100 deletions
diff --git a/Documentation/networking/timestamping.txt b/Documentation/networking/timestamping.txt index 98097d8cb910..661d3c316a17 100644 --- a/Documentation/networking/timestamping.txt +++ b/Documentation/networking/timestamping.txt @@ -85,7 +85,7 @@ Filled in if SOF_TIMESTAMPING_SYS_HARDWARE is set. Requires support by the network device and will be empty without that support. -SIOCSHWTSTAMP: +SIOCSHWTSTAMP, SIOCGHWTSTAMP: Hardware time stamping must also be initialized for each device driver that is expected to do hardware time stamping. The parameter is defined in @@ -115,6 +115,10 @@ Only a processes with admin rights may change the configuration. User space is responsible to ensure that multiple processes don't interfere with each other and that the settings are reset. +Any process can read the actual configuration by passing this +structure to ioctl(SIOCGHWTSTAMP) in the same way. However, this has +not been implemented in all drivers. + /* possible values for hwtstamp_config->tx_type */ enum { /* @@ -157,7 +161,8 @@ DEVICE IMPLEMENTATION A driver which supports hardware time stamping must support the SIOCSHWTSTAMP ioctl and update the supplied struct hwtstamp_config with -the actual values as described in the section on SIOCSHWTSTAMP. +the actual values as described in the section on SIOCSHWTSTAMP. It +should also support SIOCGHWTSTAMP. Time stamps for received packets must be stored in the skb. To get a pointer to the shared time stamp structure of the skb call skb_hwtstamps(). Then diff --git a/Documentation/networking/timestamping/.gitignore b/Documentation/networking/timestamping/.gitignore index 71e81eb2e22f..a380159765ce 100644 --- a/Documentation/networking/timestamping/.gitignore +++ b/Documentation/networking/timestamping/.gitignore @@ -1 +1,2 @@ timestamping +hwtstamp_config diff --git a/Documentation/networking/timestamping/Makefile b/Documentation/networking/timestamping/Makefile index e79973443e9f..d934afc8306a 100644 --- a/Documentation/networking/timestamping/Makefile +++ b/Documentation/networking/timestamping/Makefile @@ -2,12 +2,13 @@ obj- := dummy.o # List of programs to build -hostprogs-y := timestamping +hostprogs-y := timestamping hwtstamp_config # Tell kbuild to always build the programs always := $(hostprogs-y) HOSTCFLAGS_timestamping.o += -I$(objtree)/usr/include +HOSTCFLAGS_hwtstamp_config.o += -I$(objtree)/usr/include clean: - rm -f timestamping + rm -f timestamping hwtstamp_config diff --git a/Documentation/networking/timestamping/hwtstamp_config.c b/Documentation/networking/timestamping/hwtstamp_config.c new file mode 100644 index 000000000000..e8b685a7f15f --- /dev/null +++ b/Documentation/networking/timestamping/hwtstamp_config.c @@ -0,0 +1,134 @@ +/* Test program for SIOC{G,S}HWTSTAMP + * Copyright 2013 Solarflare Communications + * Author: Ben Hutchings + */ + +#include <errno.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +#include <sys/socket.h> +#include <sys/ioctl.h> + +#include <linux/if.h> +#include <linux/net_tstamp.h> +#include <linux/sockios.h> + +static int +lookup_value(const char **names, int size, const char *name) +{ + int value; + + for (value = 0; value < size; value++) + if (names[value] && strcasecmp(names[value], name) == 0) + return value; + + return -1; +} + +static const char * +lookup_name(const char **names, int size, int value) +{ + return (value >= 0 && value < size) ? names[value] : NULL; +} + +static void list_names(FILE *f, const char **names, int size) +{ + int value; + + for (value = 0; value < size; value++) + if (names[value]) + fprintf(f, " %s\n", names[value]); +} + +static const char *tx_types[] = { +#define TX_TYPE(name) [HWTSTAMP_TX_ ## name] = #name + TX_TYPE(OFF), + TX_TYPE(ON), + TX_TYPE(ONESTEP_SYNC) +#undef TX_TYPE +}; +#define N_TX_TYPES ((int)(sizeof(tx_types) / sizeof(tx_types[0]))) + +static const char *rx_filters[] = { +#define RX_FILTER(name) [HWTSTAMP_FILTER_ ## name] = #name + RX_FILTER(NONE), + RX_FILTER(ALL), + RX_FILTER(SOME), + RX_FILTER(PTP_V1_L4_EVENT), + RX_FILTER(PTP_V1_L4_SYNC), + RX_FILTER(PTP_V1_L4_DELAY_REQ), + RX_FILTER(PTP_V2_L4_EVENT), + RX_FILTER(PTP_V2_L4_SYNC), + RX_FILTER(PTP_V2_L4_DELAY_REQ), + RX_FILTER(PTP_V2_L2_EVENT), + RX_FILTER(PTP_V2_L2_SYNC), + RX_FILTER(PTP_V2_L2_DELAY_REQ), + RX_FILTER(PTP_V2_EVENT), + RX_FILTER(PTP_V2_SYNC), + RX_FILTER(PTP_V2_DELAY_REQ), +#undef RX_FILTER +}; +#define N_RX_FILTERS ((int)(sizeof(rx_filters) / sizeof(rx_filters[0]))) + +static void usage(void) +{ + fputs("Usage: hwtstamp_config if_name [tx_type rx_filter]\n" + "tx_type is any of (case-insensitive):\n", + stderr); + list_names(stderr, tx_types, N_TX_TYPES); + fputs("rx_filter is any of (case-insensitive):\n", stderr); + list_names(stderr, rx_filters, N_RX_FILTERS); +} + +int main(int argc, char **argv) +{ + struct ifreq ifr; + struct hwtstamp_config config; + const char *name; + int sock; + + if ((argc != 2 && argc != 4) || (strlen(argv[1]) >= IFNAMSIZ)) { + usage(); + return 2; + } + + if (argc == 4) { + config.flags = 0; + config.tx_type = lookup_value(tx_types, N_TX_TYPES, argv[2]); + config.rx_filter = lookup_value(rx_filters, N_RX_FILTERS, argv[3]); + if (config.tx_type < 0 || config.rx_filter < 0) { + usage(); + return 2; + } + } + + sock = socket(AF_INET, SOCK_DGRAM, 0); + if (sock < 0) { + perror("socket"); + return 1; + } + + strcpy(ifr.ifr_name, argv[1]); + ifr.ifr_data = (caddr_t)&config; + + if (ioctl(sock, (argc == 2) ? SIOCGHWTSTAMP : SIOCSHWTSTAMP, &ifr)) { + perror("ioctl"); + return 1; + } + + printf("flags = %#x\n", config.flags); + name = lookup_name(tx_types, N_TX_TYPES, config.tx_type); + if (name) + printf("tx_type = %s\n", name); + else + printf("tx_type = %d\n", config.tx_type); + name = lookup_name(rx_filters, N_RX_FILTERS, config.rx_filter); + if (name) + printf("rx_filter = %s\n", name); + else + printf("rx_filter = %d\n", config.rx_filter); + + return 0; +} diff --git a/drivers/net/ethernet/adi/bfin_mac.c b/drivers/net/ethernet/adi/bfin_mac.c index 75fb1d20d6fd..0d4f29579879 100644 --- a/drivers/net/ethernet/adi/bfin_mac.c +++ b/drivers/net/ethernet/adi/bfin_mac.c @@ -667,8 +667,8 @@ static u32 bfin_select_phc_clock(u32 input_clk, unsigned int *shift_result) return 1000000000UL / ppn; } -static int bfin_mac_hwtstamp_ioctl(struct net_device *netdev, - struct ifreq *ifr, int cmd) +static int bfin_mac_hwtstamp_set(struct net_device *netdev, + struct ifreq *ifr) { struct hwtstamp_config config; struct bfin_mac_local *lp = netdev_priv(netdev); @@ -824,6 +824,16 @@ static int bfin_mac_hwtstamp_ioctl(struct net_device *netdev, -EFAULT : 0; } +static int bfin_mac_hwtstamp_get(struct net_device *netdev, + struct ifreq *ifr) +{ + struct bfin_mac_local *lp = netdev_priv(netdev); + + return copy_to_user(ifr->ifr_data, &lp->stamp_cfg, + sizeof(lp->stamp_cfg)) ? + -EFAULT : 0; +} + static void bfin_tx_hwtstamp(struct net_device *netdev, struct sk_buff *skb) { struct bfin_mac_local *lp = netdev_priv(netdev); @@ -1062,7 +1072,8 @@ static void bfin_phc_release(struct bfin_mac_local *lp) #else # define bfin_mac_hwtstamp_is_none(cfg) 0 # define bfin_mac_hwtstamp_init(dev) -# define bfin_mac_hwtstamp_ioctl(dev, ifr, cmd) (-EOPNOTSUPP) +# define bfin_mac_hwtstamp_set(dev, ifr) (-EOPNOTSUPP) +# define bfin_mac_hwtstamp_get(dev, ifr) (-EOPNOTSUPP) # define bfin_rx_hwtstamp(dev, skb) # define bfin_tx_hwtstamp(dev, skb) # define bfin_phc_init(netdev, dev) 0 @@ -1496,7 +1507,9 @@ static int bfin_mac_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd) switch (cmd) { case SIOCSHWTSTAMP: - return bfin_mac_hwtstamp_ioctl(netdev, ifr, cmd); + return bfin_mac_hwtstamp_set(netdev, ifr); + case SIOCGHWTSTAMP: + return bfin_mac_hwtstamp_get(netdev, ifr); default: if (lp->phydev) return phy_mii_ioctl(lp->phydev, ifr, cmd); diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c index 472305cdff4f..e35a1c5fc9b1 100644 --- a/drivers/net/ethernet/broadcom/tg3.c +++ b/drivers/net/ethernet/broadcom/tg3.c @@ -13594,14 +13594,13 @@ static void tg3_self_test(struct net_device *dev, struct ethtool_test *etest, } -static int tg3_hwtstamp_ioctl(struct net_device *dev, - struct ifreq *ifr, int cmd) +static int tg3_hwtstamp_set(struct net_device *dev, struct ifreq *ifr) { struct tg3 *tp = netdev_priv(dev); struct hwtstamp_config stmpconf; if (!tg3_flag(tp, PTP_CAPABLE)) - return -EINVAL; + return -EOPNOTSUPP; if (copy_from_user(&stmpconf, ifr->ifr_data, sizeof(stmpconf))) return -EFAULT; @@ -13682,6 +13681,67 @@ static int tg3_hwtstamp_ioctl(struct net_device *dev, -EFAULT : 0; } +static int tg3_hwtstamp_get(struct net_device *dev, struct ifreq *ifr) +{ + struct tg3 *tp = netdev_priv(dev); + struct hwtstamp_config stmpconf; + + if (!tg3_flag(tp, PTP_CAPABLE)) + return -EOPNOTSUPP; + + stmpconf.flags = 0; + stmpconf.tx_type = (tg3_flag(tp, TX_TSTAMP_EN) ? + HWTSTAMP_TX_ON : HWTSTAMP_TX_OFF); + + switch (tp->rxptpctl) { + case 0: + stmpconf.rx_filter = HWTSTAMP_FILTER_NONE; + break; + case TG3_RX_PTP_CTL_RX_PTP_V1_EN | TG3_RX_PTP_CTL_ALL_V1_EVENTS: + stmpconf.rx_filter = HWTSTAMP_FILTER_PTP_V1_L4_EVENT; + break; + case TG3_RX_PTP_CTL_RX_PTP_V1_EN | TG3_RX_PTP_CTL_SYNC_EVNT: + stmpconf.rx_filter = HWTSTAMP_FILTER_PTP_V1_L4_SYNC; + break; + case TG3_RX_PTP_CTL_RX_PTP_V1_EN | TG3_RX_PTP_CTL_DELAY_REQ: + stmpconf.rx_filter = HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ; + break; + case TG3_RX_PTP_CTL_RX_PTP_V2_EN | TG3_RX_PTP_CTL_ALL_V2_EVENTS: + stmpconf.rx_filter = HWTSTAMP_FILTER_PTP_V2_EVENT; + break; + case TG3_RX_PTP_CTL_RX_PTP_V2_L2_EN | TG3_RX_PTP_CTL_ALL_V2_EVENTS: + stmpconf.rx_filter = HWTSTAMP_FILTER_PTP_V2_L2_EVENT; + break; + case TG3_RX_PTP_CTL_RX_PTP_V2_L4_EN | TG3_RX_PTP_CTL_ALL_V2_EVENTS: + stmpconf.rx_filter = HWTSTAMP_FILTER_PTP_V2_L4_EVENT; + break; + case TG3_RX_PTP_CTL_RX_PTP_V2_EN | TG3_RX_PTP_CTL_SYNC_EVNT: + stmpconf.rx_filter = HWTSTAMP_FILTER_PTP_V2_SYNC; + break; + case TG3_RX_PTP_CTL_RX_PTP_V2_L2_EN | TG3_RX_PTP_CTL_SYNC_EVNT: + stmpconf.rx_filter = HWTSTAMP_FILTER_PTP_V2_L2_SYNC; + break; + case TG3_RX_PTP_CTL_RX_PTP_V2_L4_EN | TG3_RX_PTP_CTL_SYNC_EVNT: + stmpconf.rx_filter = HWTSTAMP_FILTER_PTP_V2_L4_SYNC; + break; + case TG3_RX_PTP_CTL_RX_PTP_V2_EN | TG3_RX_PTP_CTL_DELAY_REQ: + stmpconf.rx_filter = HWTSTAMP_FILTER_PTP_V2_DELAY_REQ; + break; + case TG3_RX_PTP_CTL_RX_PTP_V2_L2_EN | TG3_RX_PTP_CTL_DELAY_REQ: + stmpconf.rx_filter = HWTSTAMP_FILTER_PTP_V2_L2_DELAY_REQ; + break; + case TG3_RX_PTP_CTL_RX_PTP_V2_L4_EN | TG3_RX_PTP_CTL_DELAY_REQ: + stmpconf.rx_filter = HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ; + break; + default: + WARN_ON_ONCE(1); + return -ERANGE; + } + + return copy_to_user(ifr->ifr_data, &stmpconf, sizeof(stmpconf)) ? + -EFAULT : 0; +} + static int tg3_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) { struct mii_ioctl_data *data = if_mii(ifr); @@ -13735,7 +13795,10 @@ static int tg3_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) return err; case SIOCSHWTSTAMP: - return tg3_hwtstamp_ioctl(dev, ifr, cmd); + return tg3_hwtstamp_set(dev, ifr); + + case SIOCGHWTSTAMP: + return tg3_hwtstamp_get(dev, ifr); default: /* do nothing */ diff --git a/drivers/net/ethernet/freescale/fec.h b/drivers/net/ethernet/freescale/fec.h index 0120217a16dd..3b8d6d19ff05 100644 --- a/drivers/net/ethernet/freescale/fec.h +++ b/drivers/net/ethernet/freescale/fec.h @@ -339,7 +339,8 @@ struct fec_enet_private { void fec_ptp_init(struct platform_device *pdev); void fec_ptp_start_cyclecounter(struct net_device *ndev); -int fec_ptp_ioctl(struct net_device *ndev, struct ifreq *ifr, int cmd); +int fec_ptp_set(struct net_device *ndev, struct ifreq *ifr); +int fec_ptp_get(struct net_device *ndev, struct ifreq *ifr); /****************************************************************************/ #endif /* FEC_H */ diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c index 73b000df8a08..92ef4e5eddf7 100644 --- a/drivers/net/ethernet/freescale/fec_main.c +++ b/drivers/net/ethernet/freescale/fec_main.c @@ -1683,8 +1683,12 @@ static int fec_enet_ioctl(struct net_device *ndev, struct ifreq *rq, int cmd) if (!phydev) return -ENODEV; - if (cmd == SIOCSHWTSTAMP && fep->bufdesc_ex) - return fec_ptp_ioctl(ndev, rq, cmd); + if (fep->bufdesc_ex) { + if (cmd == SIOCSHWTSTAMP) + return fec_ptp_set(ndev, rq); + if (cmd == SIOCGHWTSTAMP) + return fec_ptp_get(ndev, rq); + } return phy_mii_ioctl(phydev, rq, cmd); } diff --git a/drivers/net/ethernet/freescale/fec_ptp.c b/drivers/net/ethernet/freescale/fec_ptp.c index 5007e4f9fff9..3a74ea48fd40 100644 --- a/drivers/net/ethernet/freescale/fec_ptp.c +++ b/drivers/net/ethernet/freescale/fec_ptp.c @@ -274,7 +274,7 @@ static int fec_ptp_enable(struct ptp_clock_info *ptp, * @ifreq: ioctl data * @cmd: particular ioctl requested */ -int fec_ptp_ioctl(struct net_device *ndev, struct ifreq *ifr, int cmd) +int fec_ptp_set(struct net_device *ndev, struct ifreq *ifr) { struct fec_enet_private *fep = netdev_priv(ndev); @@ -321,6 +321,20 @@ int fec_ptp_ioctl(struct net_device *ndev, struct ifreq *ifr, int cmd) -EFAULT : 0; } +int fec_ptp_get(struct net_device *ndev, struct ifreq *ifr) +{ + struct fec_enet_private *fep = netdev_priv(ndev); + struct hwtstamp_config config; + + config.flags = 0; + config.tx_type = fep->hwts_tx_en ? HWTSTAMP_TX_ON : HWTSTAMP_TX_OFF; + config.rx_filter = (fep->hwts_rx_en ? + HWTSTAMP_FILTER_ALL : HWTSTAMP_FILTER_NONE); + + return copy_to_user(ifr->ifr_data, &config, sizeof(config)) ? + -EFAULT : 0; +} + /** * fec_time_keep - call timecounter_read every second to avoid timer overrun * because ENET just support 32bit counter, will timeout in 4s diff --git a/drivers/net/ethernet/freescale/gianfar.c b/drivers/net/ethernet/freescale/gianfar.c index b14d7904a075..365342d293e8 100644 --- a/drivers/net/ethernet/freescale/gianfar.c +++ b/drivers/net/ethernet/freescale/gianfar.c @@ -795,8 +795,7 @@ err_grp_init: return err; } -static int gfar_hwtstamp_ioctl(struct net_device *netdev, - struct ifreq *ifr, int cmd) +static int gfar_hwtstamp_set(struct net_device *netdev, struct ifreq *ifr) { struct hwtstamp_config config; struct gfar_private *priv = netdev_priv(netdev); @@ -845,7 +844,20 @@ static int gfar_hwtstamp_ioctl(struct net_device *netdev, -EFAULT : 0; } -/* Ioctl MII Interface */ +static int gfar_hwtstamp_get(struct net_device *netdev, struct ifreq *ifr) +{ + struct hwtstamp_config config; + struct gfar_private *priv = netdev_priv(netdev); + + config.flags = 0; + config.tx_type = priv->hwts_tx_en ? HWTSTAMP_TX_ON : HWTSTAMP_TX_OFF; + config.rx_filter = (priv->hwts_rx_en ? + HWTSTAMP_FILTER_ALL : HWTSTAMP_FILTER_NONE); + + return copy_to_user(ifr->ifr_data, &config, sizeof(config)) ? + -EFAULT : 0; +} + static int gfar_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) { struct gfar_private *priv = netdev_priv(dev); @@ -854,7 +866,9 @@ static int gfar_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) return -EINVAL; if (cmd == SIOCSHWTSTAMP) - return gfar_hwtstamp_ioctl(dev, rq, cmd); + return gfar_hwtstamp_set(dev, rq); + if (cmd == SIOCGHWTSTAMP) + return gfar_hwtstamp_get(dev, rq); if (!priv->phydev) return -ENODEV; diff --git a/drivers/net/ethernet/intel/e1000e/netdev.c b/drivers/net/ethernet/intel/e1000e/netdev.c index 8d3945ab7334..051d1583e211 100644 --- a/drivers/net/ethernet/intel/e1000e/netdev.c +++ b/drivers/net/ethernet/intel/e1000e/netdev.c @@ -5790,7 +5790,7 @@ static int e1000_mii_ioctl(struct net_device *netdev, struct ifreq *ifr, * specified. Matching the kind of event packet is not supported, with the * exception of "all V2 events regardless of level 2 or 4". **/ -static int e1000e_hwtstamp_ioctl(struct net_device *netdev, struct ifreq *ifr) +static int e1000e_hwtstamp_set(struct net_device *netdev, struct ifreq *ifr) { struct e1000_adapter *adapter = netdev_priv(netdev); struct hwtstamp_config config; @@ -5825,6 +5825,14 @@ static int e1000e_hwtstamp_ioctl(struct net_device *netdev, struct ifreq *ifr) sizeof(config)) ? -EFAULT : 0; } +static int e1000e_hwtstamp_get(struct net_device *netdev, struct ifreq *ifr) +{ + struct e1000_adapter *adapter = netdev_priv(netdev); + + return copy_to_user(ifr->ifr_data, &adapter->hwtstamp_config, + sizeof(adapter->hwtstamp_config)) ? -EFAULT : 0; +} + static int e1000_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd) { switch (cmd) { @@ -5833,7 +5841,9 @@ static int e1000_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd) case SIOCSMIIREG: return e1000_mii_ioctl(netdev, ifr, cmd); case SIOCSHWTSTAMP: - return e1000e_hwtstamp_ioctl(netdev, ifr); + return e1000e_hwtstamp_set(netdev, ifr); + case SIOCGHWTSTAMP: + return e1000e_hwtstamp_get(netdev, ifr); default: return -EOPNOTSUPP; } diff --git a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c index e72d8a112a6b..709e5ec5ce14 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c @@ -2025,7 +2025,7 @@ static int mlx4_en_change_mtu(struct net_device *dev, int new_mtu) return 0; } -static int mlx4_en_hwtstamp_ioctl(struct net_device *dev, struct ifreq *ifr) +static int mlx4_en_hwtstamp_set(struct net_device *dev, struct ifreq *ifr) { struct mlx4_en_priv *priv = netdev_priv(dev); struct mlx4_en_dev *mdev = priv->mdev; @@ -2084,11 +2084,21 @@ static int mlx4_en_hwtstamp_ioctl(struct net_device *dev, struct ifreq *ifr) sizeof(config)) ? -EFAULT : 0; } +static int mlx4_en_hwtstamp_get(struct net_device *dev, struct ifreq *ifr) +{ + struct mlx4_en_priv *priv = netdev_priv(dev); + + return copy_to_user(ifr->ifr_data, &priv->hwtstamp_config, + sizeof(priv->hwtstamp_config)) ? -EFAULT : 0; +} + static int mlx4_en_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) { switch (cmd) { case SIOCSHWTSTAMP: - return mlx4_en_hwtstamp_ioctl(dev, ifr); + return mlx4_en_hwtstamp_set(dev, ifr); + case SIOCGHWTSTAMP: + return mlx4_en_hwtstamp_get(dev, ifr); default: return -EOPNOTSUPP; } diff --git a/drivers/net/ethernet/neterion/vxge/vxge-main.c b/drivers/net/ethernet/neterion/vxge/vxge-main.c index f9876ea8c8bf..5d4ad589ebf3 100644 --- a/drivers/net/ethernet/neterion/vxge/vxge-main.c +++ b/drivers/net/ethernet/neterion/vxge/vxge-main.c @@ -3189,7 +3189,7 @@ static enum vxge_hw_status vxge_timestamp_config(struct __vxge_hw_device *devh) return status; } -static int vxge_hwtstamp_ioctl(struct vxgedev *vdev, void __user *data) +static int vxge_hwtstamp_set(struct vxgedev *vdev, void __user *data) { struct hwtstamp_config config; int i; @@ -3250,6 +3250,21 @@ static int vxge_hwtstamp_ioctl(struct vxgedev *vdev, void __user *data) return 0; } +static int vxge_hwtstamp_get(struct vxgedev *vdev, void __user *data) +{ + struct hwtstamp_config config; + + config.flags = 0; + config.tx_type = HWTSTAMP_TX_OFF; + config.rx_filter = (vdev->rx_hwts ? + HWTSTAMP_FILTER_ALL : HWTSTAMP_FILTER_NONE); + + if (copy_to_user(data, &config, sizeof(config))) + return -EFAULT; + + return 0; +} + /** * vxge_ioctl * @dev: Device pointer. @@ -3263,19 +3278,15 @@ static int vxge_hwtstamp_ioctl(struct vxgedev *vdev, void __user *data) static int vxge_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) { struct vxgedev *vdev = netdev_priv(dev); - int ret; switch (cmd) { case SIOCSHWTSTAMP: - ret = vxge_hwtstamp_ioctl(vdev, rq->ifr_data); - if (ret) - return ret; - break; + return vxge_hwtstamp_set(vdev, rq->ifr_data); + case SIOCGHWTSTAMP: + return vxge_hwtstamp_get(vdev, rq->ifr_data); default: return -EOPNOTSUPP; } - - return 0; } /** diff --git a/drivers/net/ethernet/sfc/efx.c b/drivers/net/ethernet/sfc/efx.c index 2e27837ce6a2..958d8c7fa02f 100644 --- a/drivers/net/ethernet/sfc/efx.c +++ b/drivers/net/ethernet/sfc/efx.c @@ -1847,7 +1847,9 @@ static int efx_ioctl(struct net_device *net_dev, struct ifreq *ifr, int cmd) struct mii_ioctl_data *data = if_mii(ifr); if (cmd == SIOCSHWTSTAMP) - return efx_ptp_ioctl(efx, ifr, cmd); + return efx_ptp_set_ts_config(efx, ifr); + if (cmd == SIOCGHWTSTAMP) + return efx_ptp_get_ts_config(efx, ifr); /* Convert phy_id from older PRTAD/DEVAD format */ if ((cmd == SIOCGMIIREG || cmd == SIOCSMIIREG) && diff --git a/drivers/net/ethernet/sfc/nic.h b/drivers/net/ethernet/sfc/nic.h index 11b6112d9249..33852e824f12 100644 --- a/drivers/net/ethernet/sfc/nic.h +++ b/drivers/net/ethernet/sfc/nic.h @@ -555,7 +555,8 @@ int efx_sriov_set_vf_spoofchk(struct net_device *net_dev, int vf, struct ethtool_ts_info; void efx_ptp_probe(struct efx_nic *efx); -int efx_ptp_ioctl(struct efx_nic *efx, struct ifreq *ifr, int cmd); +int efx_ptp_set_ts_config(struct efx_nic *efx, struct ifreq *ifr); +int efx_ptp_get_ts_config(struct efx_nic *efx, struct ifreq *ifr); void efx_ptp_get_ts_info(struct efx_nic *efx, struct ethtool_ts_info *ts_info); bool efx_ptp_is_ptp_tx(struct efx_nic *efx, struct sk_buff *skb); int efx_ptp_tx(struct efx_nic *efx, struct sk_buff *skb); diff --git a/drivers/net/ethernet/sfc/ptp.c b/drivers/net/ethernet/sfc/ptp.c index 03acf57df045..afd4d3a50460 100644 --- a/drivers/net/ethernet/sfc/ptp.c +++ b/drivers/net/ethernet/sfc/ptp.c @@ -1231,7 +1231,7 @@ void efx_ptp_get_ts_info(struct efx_nic *efx, struct ethtool_ts_info *ts_info) 1 << HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ); } -int efx_ptp_ioctl(struct efx_nic *efx, struct ifreq *ifr, int cmd) +int efx_ptp_set_ts_config(struct efx_nic *efx, struct ifreq *ifr) { struct hwtstamp_config config; int rc; @@ -1251,6 +1251,15 @@ int efx_ptp_ioctl(struct efx_nic *efx, struct ifreq *ifr, int cmd) ? -EFAULT : 0; } +int efx_ptp_get_ts_config(struct efx_nic *efx, struct ifreq *ifr) +{ + if (!efx->ptp_data) + return -EOPNOTSUPP; + + return copy_to_user(ifr->ifr_data, &efx->ptp_data->config, + sizeof(efx->ptp_data->config)) ? -EFAULT : 0; +} + static void ptp_event_failure(struct efx_nic *efx, int expected_frag_len) { struct efx_ptp_data *ptp = efx->ptp_data; diff --git a/drivers/net/ethernet/ti/cpsw.c b/drivers/net/ethernet/ti/cpsw.c index a91f0c9d4511..c8a54f96cf5d 100644 --- a/drivers/net/ethernet/ti/cpsw.c +++ b/drivers/net/ethernet/ti/cpsw.c @@ -1322,7 +1322,7 @@ static void cpsw_hwtstamp_v2(struct cpsw_priv *priv) __raw_writel(ETH_P_1588, &priv->regs->ts_ltype); } -static int cpsw_hwtstamp_ioctl(struct net_device *dev, struct ifreq *ifr) +static int cpsw_hwtstamp_set(struct net_device *dev, struct ifreq *ifr) { struct cpsw_priv *priv = netdev_priv(dev); struct cpts *cpts = priv->cpts; @@ -1383,6 +1383,24 @@ static int cpsw_hwtstamp_ioctl(struct net_device *dev, struct ifreq *ifr) return copy_to_user(ifr->ifr_data, &cfg, sizeof(cfg)) ? -EFAULT : 0; } +static int cpsw_hwtstamp_get(struct net_device *dev, struct ifreq *ifr) +{ + struct cpsw_priv *priv = netdev_priv(dev); + struct cpts *cpts = priv->cpts; + struct hwtstamp_config cfg; + + if (priv->version != CPSW_VERSION_1 && + priv->version != CPSW_VERSION_2) + return -EOPNOTSUPP; + + cfg.flags = 0; + cfg.tx_type = cpts->tx_enable ? HWTSTAMP_TX_ON : HWTSTAMP_TX_OFF; + cfg.rx_filter = (cpts->rx_enable ? + HWTSTAMP_FILTER_PTP_V2_EVENT : HWTSTAMP_FILTER_NONE); + + return copy_to_user(ifr->ifr_data, &cfg, sizeof(cfg)) ? -EFAULT : 0; +} + #endif /*CONFIG_TI_CPTS*/ static int cpsw_ndo_ioctl(struct net_device *dev, struct ifreq *req, int cmd) @@ -1397,7 +1415,9 @@ static int cpsw_ndo_ioctl(struct net_device *dev, struct ifreq *req, int cmd) switch (cmd) { #ifdef CONFIG_TI_CPTS case SIOCSHWTSTAMP: - return cpsw_hwtstamp_ioctl(dev, req); + return cpsw_hwtstamp_set(dev, req); + case SIOCGHWTSTAMP: + return cpsw_hwtstamp_get(dev, req); #endif case SIOCGMIIPHY: data->phy_id = priv->slaves[slave_no].phy->addr; diff --git a/drivers/net/ethernet/tile/tilegx.c b/drivers/net/ethernet/tile/tilegx.c index 628b736e5ae7..858f9a786b8c 100644 --- a/drivers/net/ethernet/tile/tilegx.c +++ b/drivers/net/ethernet/tile/tilegx.c @@ -481,8 +481,7 @@ static void tile_tx_timestamp(struct sk_buff *skb, int instance) } /* Use ioctl() to enable or disable TX or RX timestamping. */ -static int tile_hwtstamp_ioctl(struct net_device *dev, struct ifreq *rq, - int cmd) +static int tile_hwtstamp_set(struct net_device *dev, struct ifreq *rq) { #ifdef CONFIG_PTP_1588_CLOCK_TILEGX struct hwtstamp_config config; @@ -535,6 +534,21 @@ static int tile_hwtstamp_ioctl(struct net_device *dev, struct ifreq *rq, #endif } +static int tile_hwtstamp_get(struct net_device *dev, struct ifreq *rq) +{ +#ifdef CONFIG_PTP_1588_CLOCK_TILEGX + struct tile_net_priv *priv = netdev_priv(dev); + + if (copy_to_user(rq->ifr_data, &priv->stamp_cfg, + sizeof(priv->stamp_cfg))) + return -EFAULT; + + return 0; +#else + return -EOPNOTSUPP; +#endif +} + static inline bool filter_packet(struct net_device *dev, void *buf) { /* Filter packets received before we're up. */ @@ -2098,7 +2112,9 @@ static void tile_net_tx_timeout(struct net_device *dev) static int tile_net_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) { if (cmd == SIOCSHWTSTAMP) - return tile_hwtstamp_ioctl(dev, rq, cmd); + return tile_hwtstamp_set(dev, rq); + if (cmd == SIOCGHWTSTAMP) + return tile_hwtstamp_get(dev, rq); return -EOPNOTSUPP; } diff --git a/drivers/net/ethernet/xscale/ixp4xx_eth.c b/drivers/net/ethernet/xscale/ixp4xx_eth.c index bcc224a83734..25283f17d82f 100644 --- a/drivers/net/ethernet/xscale/ixp4xx_eth.c +++ b/drivers/net/ethernet/xscale/ixp4xx_eth.c @@ -373,7 +373,7 @@ static void ixp_tx_timestamp(struct port *port, struct sk_buff *skb) __raw_writel(TX_SNAPSHOT_LOCKED, ®s->channel[ch].ch_event); } -static int hwtstamp_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd) +static int hwtstamp_set(struct net_device *netdev, struct ifreq *ifr) { struct hwtstamp_config cfg; struct ixp46x_ts_regs *regs; @@ -417,6 +417,32 @@ static int hwtstamp_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd) return copy_to_user(ifr->ifr_data, &cfg, sizeof(cfg)) ? -EFAULT : 0; } +static int hwtstamp_get(struct net_device *netdev, struct ifreq *ifr) +{ + struct hwtstamp_config cfg; + struct port *port = netdev_priv(netdev); + + cfg.flags = 0; + cfg.tx_type = port->hwts_tx_en ? HWTSTAMP_TX_ON : HWTSTAMP_TX_OFF; + + switch (port->hwts_rx_en) { + case 0: + cfg.rx_filter = HWTSTAMP_FILTER_NONE; + break; + case PTP_SLAVE_MODE: + cfg.rx_filter = HWTSTAMP_FILTER_PTP_V1_L4_SYNC; + break; + case PTP_MASTER_MODE: + cfg.rx_filter = HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ; + break; + default: + WARN_ON_ONCE(1); + return -ERANGE; + } + + return copy_to_user(ifr->ifr_data, &cfg, sizeof(cfg)) ? -EFAULT : 0; +} + static int ixp4xx_mdio_cmd(struct mii_bus *bus, int phy_id, int location, int write, u16 cmd) { @@ -959,8 +985,12 @@ static int eth_ioctl(struct net_device *dev, struct ifreq *req, int cmd) if (!netif_running(dev)) return -EINVAL; - if (cpu_is_ixp46x() && cmd == SIOCSHWTSTAMP) - return hwtstamp_ioctl(dev, req, cmd); + if (cpu_is_ixp46x()) { + if (cmd == SIOCSHWTSTAMP) + return hwtstamp_set(dev, req); + if (cmd == SIOCGHWTSTAMP) + return hwtstamp_get(dev, req); + } return phy_mii_ioctl(port->phydev, req, cmd); } diff --git a/include/uapi/linux/net_tstamp.h b/include/uapi/linux/net_tstamp.h index ae5df122e42f..f53879c0f590 100644 --- a/include/uapi/linux/net_tstamp.h +++ b/include/uapi/linux/net_tstamp.h @@ -26,17 +26,17 @@ enum { }; /** - * struct hwtstamp_config - %SIOCSHWTSTAMP parameter + * struct hwtstamp_config - %SIOCGHWTSTAMP and %SIOCSHWTSTAMP parameter * - * @flags: no flags defined right now, must be zero + * @flags: no flags defined right now, must be zero for %SIOCSHWTSTAMP * @tx_type: one of HWTSTAMP_TX_* - * @rx_type: one of one of HWTSTAMP_FILTER_* + * @rx_filter: one of HWTSTAMP_FILTER_* * - * %SIOCSHWTSTAMP expects a &struct ifreq with a ifr_data pointer to - * this structure. dev_ifsioc() in the kernel takes care of the - * translation between 32 bit userspace and 64 bit kernel. The - * structure is intentionally chosen so that it has the same layout on - * 32 and 64 bit systems, don't break this! + * %SIOCGHWTSTAMP and %SIOCSHWTSTAMP expect a &struct ifreq with a + * ifr_data pointer to this structure. For %SIOCSHWTSTAMP, if the + * driver or hardware does not support the requested @rx_filter value, + * the driver may use a more general filter mode. In this case + * @rx_filter will indicate the actual mode on return. */ struct hwtstamp_config { int flags; diff --git a/include/uapi/linux/sockios.h b/include/uapi/linux/sockios.h index 7997a506ad41..e888b1aed69f 100644 --- a/include/uapi/linux/sockios.h +++ b/include/uapi/linux/sockios.h @@ -125,7 +125,8 @@ #define SIOCBRDELIF 0x89a3 /* remove interface from bridge */ /* hardware time stamping: parameters in linux/net_tstamp.h */ -#define SIOCSHWTSTAMP 0x89b0 +#define SIOCSHWTSTAMP 0x89b0 /* set and get config */ +#define SIOCGHWTSTAMP 0x89b1 /* get config */ /* Device private ioctl calls */ diff --git a/net/core/dev_ioctl.c b/net/core/dev_ioctl.c index 5b7d0e1d0664..cf999e09bcd2 100644 --- a/net/core/dev_ioctl.c +++ b/net/core/dev_ioctl.c @@ -327,6 +327,7 @@ static int dev_ifsioc(struct net *net, struct ifreq *ifr, unsigned int cmd) cmd == SIOCBRADDIF || cmd == SIOCBRDELIF || cmd == SIOCSHWTSTAMP || + cmd == SIOCGHWTSTAMP || cmd == SIOCWANDEV) { err = -EOPNOTSUPP; if (ops->ndo_do_ioctl) { @@ -546,6 +547,7 @@ int dev_ioctl(struct net *net, unsigned int cmd, void __user *arg) */ default: if (cmd == SIOCWANDEV || + cmd == SIOCGHWTSTAMP || (cmd >= SIOCDEVPRIVATE && cmd <= SIOCDEVPRIVATE + 15)) { dev_load(net, ifr.ifr_name); diff --git a/net/socket.c b/net/socket.c index e83c416708af..cd38a785f7d2 100644 --- a/net/socket.c +++ b/net/socket.c @@ -2968,11 +2968,8 @@ static int bond_ioctl(struct net *net, unsigned int cmd, struct compat_ifreq __user *ifr32) { struct ifreq kifr; - struct ifreq __user *uifr; mm_segment_t old_fs; int err; - u32 data; - void __user *datap; switch (cmd) { case SIOCBONDENSLAVE: @@ -2989,26 +2986,13 @@ static int bond_ioctl(struct net *net, unsigned int cmd, set_fs(old_fs); return err; - case SIOCBONDSLAVEINFOQUERY: - case SIOCBONDINFOQUERY: - uifr = compat_alloc_user_space(sizeof(*uifr)); - if (copy_in_user(&uifr->ifr_name, &ifr32->ifr_name, IFNAMSIZ)) - return -EFAULT; - - if (get_user(data, &ifr32->ifr_ifru.ifru_data)) - return -EFAULT; - - datap = compat_ptr(data); - if (put_user(datap, &uifr->ifr_ifru.ifru_data)) - return -EFAULT; - - return dev_ioctl(net, cmd, uifr); default: return -ENOIOCTLCMD; } } -static int siocdevprivate_ioctl(struct net *net, unsigned int cmd, +/* Handle ioctls that use ifreq::ifr_data and just need struct ifreq converted */ +static int compat_ifr_data_ioctl(struct net *net, unsigned int cmd, struct compat_ifreq __user *u_ifreq32) { struct ifreq __user *u_ifreq64; @@ -3019,19 +3003,16 @@ static int siocdevprivate_ioctl(struct net *net, unsigned int cmd, if (copy_from_user(&tmp_buf[0], &(u_ifreq32->ifr_ifrn.ifrn_name[0]), IFNAMSIZ)) return -EFAULT; - if (__get_user(data32, &u_ifreq32->ifr_ifru.ifru_data)) + if (get_user(data32, &u_ifreq32->ifr_ifru.ifru_data)) return -EFAULT; data64 = compat_ptr(data32); u_ifreq64 = compat_alloc_user_space(sizeof(*u_ifreq64)); - /* Don't check these user accesses, just let that get trapped - * in the ioctl handler instead. - */ if (copy_to_user(&u_ifreq64->ifr_ifrn.ifrn_name[0], &tmp_buf[0], IFNAMSIZ)) return -EFAULT; - if (__put_user(data64, &u_ifreq64->ifr_ifru.ifru_data)) + if (put_user(data64, &u_ifreq64->ifr_ifru.ifru_data)) return -EFAULT; return dev_ioctl(net, cmd, u_ifreq64); @@ -3111,27 +3092,6 @@ static int compat_sioc_ifmap(struct net *net, unsigned int cmd, return err; } -static int compat_siocshwtstamp(struct net *net, struct compat_ifreq __user *uifr32) -{ - void __user *uptr; - compat_uptr_t uptr32; - struct ifreq __user *uifr; - - uifr = compat_alloc_user_space(sizeof(*uifr)); - if (copy_in_user(uifr, uifr32, sizeof(struct compat_ifreq))) - return -EFAULT; - - if (get_user(uptr32, &uifr32->ifr_data)) - return -EFAULT; - - uptr = compat_ptr(uptr32); - - if (put_user(uptr, &uifr->ifr_data)) - return -EFAULT; - - return dev_ioctl(net, SIOCSHWTSTAMP, uifr); -} - struct rtentry32 { u32 rt_pad1; struct sockaddr rt_dst; /* target address */ @@ -3243,7 +3203,7 @@ static int compat_sock_ioctl_trans(struct file *file, struct socket *sock, struct net *net = sock_net(sk); if (cmd >= SIOCDEVPRIVATE && cmd <= (SIOCDEVPRIVATE + 15)) - return siocdevprivate_ioctl(net, cmd, argp); + return compat_ifr_data_ioctl(net, cmd, argp); switch (cmd) { case SIOCSIFBR: @@ -3263,8 +3223,6 @@ static int compat_sock_ioctl_trans(struct file *file, struct socket *sock, case SIOCBONDENSLAVE: case SIOCBONDRELEASE: case SIOCBONDSETHWADDR: - case SIOCBONDSLAVEINFOQUERY: - case SIOCBONDINFOQUERY: case SIOCBONDCHANGEACTIVE: return bond_ioctl(net, cmd, argp); case SIOCADDRT: @@ -3274,8 +3232,11 @@ static int compat_sock_ioctl_trans(struct file *file, struct socket *sock, return do_siocgstamp(net, sock, cmd, argp); case SIOCGSTAMPNS: return do_siocgstampns(net, sock, cmd, argp); + case SIOCBONDSLAVEINFOQUERY: + case SIOCBONDINFOQUERY: case SIOCSHWTSTAMP: - return compat_siocshwtstamp(net, argp); + case SIOCGHWTSTAMP: + return compat_ifr_data_ioctl(net, cmd, argp); case FIOSETOWN: case SIOCSPGRP: |