From 3a3236827372a1d3ddfb2ea8abf84ba89e856b44 Mon Sep 17 00:00:00 2001 From: Alexander Beregalov Date: Sun, 29 Mar 2009 19:23:34 +0400 Subject: Staging: at76: convert to netdev_ops Signed-off-by: Alexander Beregalov Acked-by: David S. Miller Signed-off-by: Greg Kroah-Hartman diff --git a/drivers/staging/at76_usb/at76_usb.c b/drivers/staging/at76_usb/at76_usb.c index 6f6e36a..c8af9a8 100644 --- a/drivers/staging/at76_usb/at76_usb.c +++ b/drivers/staging/at76_usb/at76_usb.c @@ -5259,6 +5259,18 @@ static int at76_alloc_urbs(struct at76_priv *priv, return 0; } +static const struct net_device_ops at76_netdev_ops = { + .ndo_open = at76_open, + .ndo_stop = at76_stop, + .ndo_get_stats = at76_get_stats, + .ndo_start_xmit = at76_tx, + .ndo_tx_timeout = at76_tx_timeout, + .ndo_set_multicast_list = at76_set_multicast, + .ndo_set_mac_address = at76_set_mac_address, + .ndo_validate_addr = eth_validate_addr, + .ndo_change_mtu = eth_change_mtu, +}; + /* Register network device and initialize the hardware */ static int at76_init_new_device(struct at76_priv *priv, struct usb_interface *interface) @@ -5303,21 +5315,15 @@ static int at76_init_new_device(struct at76_priv *priv, priv->scan_mode = SCAN_TYPE_ACTIVE; netdev->flags &= ~IFF_MULTICAST; /* not yet or never */ - netdev->open = at76_open; - netdev->stop = at76_stop; - netdev->get_stats = at76_get_stats; + netdev->netdev_ops = &at76_netdev_ops; netdev->ethtool_ops = &at76_ethtool_ops; /* Add pointers to enable iwspy support. */ priv->wireless_data.spy_data = &priv->spy_data; netdev->wireless_data = &priv->wireless_data; - netdev->hard_start_xmit = at76_tx; - netdev->tx_timeout = at76_tx_timeout; netdev->watchdog_timeo = 2 * HZ; netdev->wireless_handlers = &at76_handler_def; - netdev->set_multicast_list = at76_set_multicast; - netdev->set_mac_address = at76_set_mac_address; dev_alloc_name(netdev, "wlan%d"); ret = register_netdev(priv->netdev); -- cgit v0.10.2 From 0e46ff33d4a698bf0b69fec0eab076d65709e357 Mon Sep 17 00:00:00 2001 From: Alexander Beregalov Date: Sun, 29 Mar 2009 19:24:32 +0400 Subject: Staging: epl: convert to netdev_ops Signed-off-by: Alexander Beregalov Acked-by: David S. Miller Signed-off-by: Greg Kroah-Hartman diff --git a/drivers/staging/epl/VirtualEthernetLinux.c b/drivers/staging/epl/VirtualEthernetLinux.c index 21206c4..077724a 100644 --- a/drivers/staging/epl/VirtualEthernetLinux.c +++ b/drivers/staging/epl/VirtualEthernetLinux.c @@ -284,6 +284,17 @@ static tEplKernel VEthRecvFrame(tEplFrameInfo * pFrameInfo_p) return Ret; } +static const struct net_device_ops epl_netdev_ops = { + .ndo_open = VEthOpen, + .ndo_stop = VEthClose, + .ndo_get_stats = VEthGetStats, + .ndo_start_xmit = VEthXmit, + .ndo_tx_timeout = VEthTimeout, + .ndo_change_mtu = eth_change_mtu, + .ndo_set_mac_address = eth_mac_addr, + .ndo_validate_addr = eth_validate_addr, +}; + tEplKernel VEthAddInstance(tEplDllkInitParam *pInitParam_p) { tEplKernel Ret = kEplSuccessful; @@ -299,11 +310,7 @@ tEplKernel VEthAddInstance(tEplDllkInitParam *pInitParam_p) goto Exit; } - pVEthNetDevice_g->open = VEthOpen; - pVEthNetDevice_g->stop = VEthClose; - pVEthNetDevice_g->get_stats = VEthGetStats; - pVEthNetDevice_g->hard_start_xmit = VEthXmit; - pVEthNetDevice_g->tx_timeout = VEthTimeout; + pVEthNetDevice_g->netdev_ops = &epl_netdev_ops; pVEthNetDevice_g->watchdog_timeo = EPL_VETH_TX_TIMEOUT; pVEthNetDevice_g->destructor = free_netdev; -- cgit v0.10.2 From fa5a602a62d7dca6d8ea24cfb4aae349dbaabc7b Mon Sep 17 00:00:00 2001 From: Alexander Beregalov Date: Sun, 29 Mar 2009 19:25:33 +0400 Subject: Staging: et131x: convert to netdev_ops Signed-off-by: Alexander Beregalov Acked-by: David S. Miller Signed-off-by: Greg Kroah-Hartman diff --git a/drivers/staging/et131x/et131x_netdev.c b/drivers/staging/et131x/et131x_netdev.c index de65972..951c73d 100644 --- a/drivers/staging/et131x/et131x_netdev.c +++ b/drivers/staging/et131x/et131x_netdev.c @@ -112,6 +112,19 @@ void et131x_vlan_rx_register(struct net_device *netdev, struct vlan_group *grp); void et131x_vlan_rx_add_vid(struct net_device *netdev, uint16_t vid); void et131x_vlan_rx_kill_vid(struct net_device *netdev, uint16_t vid); +static const struct net_device_ops et131x_netdev_ops = { + .ndo_open = et131x_open, + .ndo_stop = et131x_close, + .ndo_start_xmit = et131x_tx, + .ndo_set_multicast_list = et131x_multicast, + .ndo_tx_timeout = et131x_tx_timeout, + .ndo_change_mtu = et131x_change_mtu, + .ndo_set_mac_address = et131x_set_mac_addr, + .ndo_validate_addr = eth_validate_addr, + .ndo_get_stats = et131x_stats, + .ndo_do_ioctl = et131x_ioctl, +}; + /** * et131x_device_alloc * @@ -142,16 +155,8 @@ struct net_device *et131x_device_alloc(void) */ //netdev->init = &et131x_init; //netdev->set_config = &et131x_config; - netdev->get_stats = &et131x_stats; - netdev->open = &et131x_open; - netdev->stop = &et131x_close; - netdev->do_ioctl = &et131x_ioctl; - netdev->set_multicast_list = &et131x_multicast; - netdev->hard_start_xmit = &et131x_tx; - netdev->tx_timeout = &et131x_tx_timeout; netdev->watchdog_timeo = ET131X_TX_TIMEOUT; - netdev->change_mtu = &et131x_change_mtu; - netdev->set_mac_address = &et131x_set_mac_addr; + netdev->netdev_ops = &et131x_netdev_ops; //netdev->ethtool_ops = &et131x_ethtool_ops; -- cgit v0.10.2 From 17a23b384f88a336a5230e80dea2013aad03b6f7 Mon Sep 17 00:00:00 2001 From: Alexander Beregalov Date: Sun, 29 Mar 2009 19:26:25 +0400 Subject: Staging: otus: convert to netdev_ops Signed-off-by: Alexander Beregalov Acked-by: David S. Miller Signed-off-by: Greg Kroah-Hartman diff --git a/drivers/staging/otus/usbdrv.c b/drivers/staging/otus/usbdrv.c index 565a839..540cbbb 100644 --- a/drivers/staging/otus/usbdrv.c +++ b/drivers/staging/otus/usbdrv.c @@ -822,6 +822,21 @@ int zfLnxVapXmitFrame(struct sk_buff *skb, struct net_device *dev) return 0; } +static const struct net_device_ops vap_netdev_ops = { + .ndo_open = zfLnxVapOpen, + .ndo_stop = zfLnxVapClose, + .ndo_start_xmit = zfLnxVapXmitFrame, + .ndo_get_stats = usbdrv_get_stats, + .ndo_change_mtu = usbdrv_change_mtu, + .ndo_validate_addr = eth_validate_addr, + .ndo_set_mac_address = eth_mac_addr, +#ifdef ZM_HOSTAPD_SUPPORT + .ndo_do_ioctl = usbdrv_ioctl, +#else + .ndo_do_ioctl = NULL, +#endif +}; + int zfLnxRegisterVapDev(struct net_device* parentDev, u16_t vapId) { /* Allocate net device structure */ @@ -846,16 +861,7 @@ int zfLnxRegisterVapDev(struct net_device* parentDev, u16_t vapId) vap[vapId].dev->ml_priv = parentDev->ml_priv; //dev->hard_start_xmit = &zd1212_wds_xmit_frame; - vap[vapId].dev->hard_start_xmit = &zfLnxVapXmitFrame; - vap[vapId].dev->open = &zfLnxVapOpen; - vap[vapId].dev->stop = &zfLnxVapClose; - vap[vapId].dev->get_stats = &usbdrv_get_stats; - vap[vapId].dev->change_mtu = &usbdrv_change_mtu; -#ifdef ZM_HOSTAPD_SUPPORT - vap[vapId].dev->do_ioctl = usbdrv_ioctl; -#else - vap[vapId].dev->do_ioctl = NULL; -#endif + vap[vapId].dev->netdev_ops = &vap_netdev_ops; vap[vapId].dev->destructor = free_netdev; vap[vapId].dev->tx_queue_len = 0; @@ -1068,6 +1074,18 @@ void zfLnxUnlinkAllUrbs(struct usbdrv_private *macp) usb_unlink_urb(macp->RegInUrb); } +static const struct net_device_ops otus_netdev_ops = { + .ndo_open = usbdrv_open, + .ndo_stop = usbdrv_close, + .ndo_start_xmit = usbdrv_xmit_frame, + .ndo_change_mtu = usbdrv_change_mtu, + .ndo_get_stats = usbdrv_get_stats, + .ndo_set_multicast_list = usbdrv_set_multi, + .ndo_set_mac_address = usbdrv_set_mac, + .ndo_do_ioctl = usbdrv_ioctl, + .ndo_validate_addr = eth_validate_addr, +}; + u8_t zfLnxInitSetup(struct net_device *dev, struct usbdrv_private *macp) { //unsigned char addr[6]; @@ -1092,14 +1110,7 @@ u8_t zfLnxInitSetup(struct net_device *dev, struct usbdrv_private *macp) dev->wireless_handlers = (struct iw_handler_def *)&p80211wext_handler_def; #endif - dev->open = usbdrv_open; - dev->hard_start_xmit = usbdrv_xmit_frame; - dev->stop = usbdrv_close; - dev->change_mtu = &usbdrv_change_mtu; - dev->get_stats = usbdrv_get_stats; - dev->set_multicast_list = usbdrv_set_multi; - dev->set_mac_address = usbdrv_set_mac; - dev->do_ioctl = usbdrv_ioctl; + dev->netdev_ops = &otus_netdev_ops; dev->flags |= IFF_MULTICAST; -- cgit v0.10.2 From ca7d2dbbadd6c3d6d10e98b94e25cb9566ed3af1 Mon Sep 17 00:00:00 2001 From: Alexander Beregalov Date: Sun, 29 Mar 2009 19:27:21 +0400 Subject: Staging: rt2860: convert to netdev_ops Signed-off-by: Alexander Beregalov Acked-by: David S. Miller Signed-off-by: Greg Kroah-Hartman diff --git a/drivers/staging/rt2860/rt_main_dev.c b/drivers/staging/rt2860/rt_main_dev.c index cf17bcd..6c4396f 100644 --- a/drivers/staging/rt2860/rt_main_dev.c +++ b/drivers/staging/rt2860/rt_main_dev.c @@ -722,6 +722,20 @@ err: return (-1); } /* End of rt28xx_open */ +static const struct net_device_ops rt2860_netdev_ops = { + .ndo_open = MainVirtualIF_open, + .ndo_stop = MainVirtualIF_close, + .ndo_do_ioctl = rt28xx_ioctl, + .ndo_get_stats = RT28xx_get_ether_stats, + .ndo_validate_addr = NULL, + .ndo_set_mac_address = eth_mac_addr, + .ndo_change_mtu = eth_change_mtu, +#ifdef IKANOS_VX_1X0 + .ndo_start_xmit = IKANOS_DataFramesTx, +#else + .ndo_start_xmit = rt28xx_send_packets, +#endif +}; /* Must not be called for mdev and apdev */ static NDIS_STATUS rt_ieee80211_if_setup(struct net_device *dev, PRTMP_ADAPTER pAd) @@ -733,11 +747,6 @@ static NDIS_STATUS rt_ieee80211_if_setup(struct net_device *dev, PRTMP_ADAPTER p //ether_setup(dev); - dev->hard_start_xmit = rt28xx_send_packets; - -#ifdef IKANOS_VX_1X0 - dev->hard_start_xmit = IKANOS_DataFramesTx; -#endif // IKANOS_VX_1X0 // #ifdef CONFIG_STA_SUPPORT #if WIRELESS_EXT >= 12 @@ -760,12 +769,8 @@ static NDIS_STATUS rt_ieee80211_if_setup(struct net_device *dev, PRTMP_ADAPTER p #if WIRELESS_EXT < 21 dev->get_wireless_stats = rt28xx_get_wireless_stats; #endif - dev->get_stats = RT28xx_get_ether_stats; - dev->open = MainVirtualIF_open; //rt28xx_open; - dev->stop = MainVirtualIF_close; //rt28xx_close; dev->priv_flags = INT_MAIN; - dev->do_ioctl = rt28xx_ioctl; - dev->validate_addr = NULL; + dev->netdev_ops = &rt2860_netdev_ops; // find available device name for (i = 0; i < 8; i++) { -- cgit v0.10.2 From 4d562f74ec2cd3e957fbc222b0e975554bb5f2c2 Mon Sep 17 00:00:00 2001 From: Alexander Beregalov Date: Sun, 29 Mar 2009 19:28:11 +0400 Subject: Staging: rt2870: convert to netdev_ops Signed-off-by: Alexander Beregalov Acked-by: David S. Miller Signed-off-by: Greg Kroah-Hartman diff --git a/drivers/staging/rt2870/rt_main_dev.c b/drivers/staging/rt2870/rt_main_dev.c index 313ecea..48ad411 100644 --- a/drivers/staging/rt2870/rt_main_dev.c +++ b/drivers/staging/rt2870/rt_main_dev.c @@ -855,6 +855,20 @@ err: return (-1); } /* End of rt28xx_open */ +static const struct net_device_ops rt2870_netdev_ops = { + .ndo_open = MainVirtualIF_open, + .ndo_stop = MainVirtualIF_close, + .ndo_do_ioctl = rt28xx_ioctl, + .ndo_get_stats = RT28xx_get_ether_stats, + .ndo_validate_addr = NULL, + .ndo_set_mac_address = eth_mac_addr, + .ndo_change_mtu = eth_change_mtu, +#ifdef IKANOS_VX_1X0 + .ndo_start_xmit = IKANOS_DataFramesTx, +#else + .ndo_start_xmit = rt28xx_send_packets, +#endif +}; /* Must not be called for mdev and apdev */ static NDIS_STATUS rt_ieee80211_if_setup(struct net_device *dev, PRTMP_ADAPTER pAd) @@ -866,12 +880,6 @@ static NDIS_STATUS rt_ieee80211_if_setup(struct net_device *dev, PRTMP_ADAPTER p //ether_setup(dev); - dev->hard_start_xmit = rt28xx_send_packets; - -#ifdef IKANOS_VX_1X0 - dev->hard_start_xmit = IKANOS_DataFramesTx; -#endif // IKANOS_VX_1X0 // - // dev->set_multicast_list = ieee80211_set_multicast_list; // dev->change_mtu = ieee80211_change_mtu; #ifdef CONFIG_STA_SUPPORT @@ -895,16 +903,10 @@ static NDIS_STATUS rt_ieee80211_if_setup(struct net_device *dev, PRTMP_ADAPTER p #if WIRELESS_EXT < 21 dev->get_wireless_stats = rt28xx_get_wireless_stats; #endif - dev->get_stats = RT28xx_get_ether_stats; - dev->open = MainVirtualIF_open; //rt28xx_open; - dev->stop = MainVirtualIF_close; //rt28xx_close; // dev->uninit = ieee80211_if_reinit; // dev->destructor = ieee80211_if_free; dev->priv_flags = INT_MAIN; - dev->do_ioctl = rt28xx_ioctl; -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,24) - dev->validate_addr = NULL; -#endif + dev->netdev_ops = &rt2870_netdev_ops; // find available device name for (i = 0; i < 8; i++) { -- cgit v0.10.2 From d39efb24eaf7cbda4d161b152f1eab82939fb6e9 Mon Sep 17 00:00:00 2001 From: Alexander Beregalov Date: Sun, 29 Mar 2009 19:29:18 +0400 Subject: Staging: rt3070: convert to netdev_ops Also remove unused variable. Signed-off-by: Alexander Beregalov Acked-by: David S. Miller Signed-off-by: Greg Kroah-Hartman diff --git a/drivers/staging/rt3070/rt_main_dev.c b/drivers/staging/rt3070/rt_main_dev.c index c000646..81f769c 100644 --- a/drivers/staging/rt3070/rt_main_dev.c +++ b/drivers/staging/rt3070/rt_main_dev.c @@ -436,7 +436,6 @@ static int rt28xx_init(IN struct net_device *net_dev) // OID_SET_HT_PHYMODE SetHT; // WPDMA_GLO_CFG_STRUC GloCfg; UINT32 MacCsr0 = 0; - UINT32 MacValue = 0; #ifdef RT2870 #ifdef INF_AMAZON_SE @@ -849,6 +848,20 @@ err: return (-1); } /* End of rt28xx_open */ +static const struct net_device_ops rt3070_netdev_ops = { + .ndo_open = MainVirtualIF_open, + .ndo_stop = MainVirtualIF_close, + .ndo_do_ioctl = rt28xx_ioctl, + .ndo_get_stats = RT28xx_get_ether_stats, + .ndo_validate_addr = NULL, + .ndo_set_mac_address = eth_mac_addr, + .ndo_change_mtu = eth_change_mtu, +#ifdef IKANOS_VX_1X0 + .ndo_start_xmit = IKANOS_DataFramesTx, +#else + .ndo_start_xmit = rt28xx_send_packets, +#endif +}; /* Must not be called for mdev and apdev */ static NDIS_STATUS rt_ieee80211_if_setup(struct net_device *dev, PRTMP_ADAPTER pAd) @@ -860,12 +873,6 @@ static NDIS_STATUS rt_ieee80211_if_setup(struct net_device *dev, PRTMP_ADAPTER p //ether_setup(dev); - dev->hard_start_xmit = rt28xx_send_packets; - -#ifdef IKANOS_VX_1X0 - dev->hard_start_xmit = IKANOS_DataFramesTx; -#endif // IKANOS_VX_1X0 // - // dev->set_multicast_list = ieee80211_set_multicast_list; // dev->change_mtu = ieee80211_change_mtu; #ifdef CONFIG_STA_SUPPORT @@ -889,16 +896,10 @@ static NDIS_STATUS rt_ieee80211_if_setup(struct net_device *dev, PRTMP_ADAPTER p #if WIRELESS_EXT < 21 dev->get_wireless_stats = rt28xx_get_wireless_stats; #endif - dev->get_stats = RT28xx_get_ether_stats; - dev->open = MainVirtualIF_open; //rt28xx_open; - dev->stop = MainVirtualIF_close; //rt28xx_close; // dev->uninit = ieee80211_if_reinit; // dev->destructor = ieee80211_if_free; dev->priv_flags = INT_MAIN; - dev->do_ioctl = rt28xx_ioctl; -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,24) - dev->validate_addr = NULL; -#endif + dev->netdev_ops = &rt3070_netdev_ops; // find available device name for (i = 0; i < 8; i++) { -- cgit v0.10.2 From 79bd1096bb31445a04b43e470e03d40d700a14a1 Mon Sep 17 00:00:00 2001 From: Alexander Beregalov Date: Sun, 29 Mar 2009 19:30:08 +0400 Subject: Staging: slicoss: convert to netdev_ops Signed-off-by: Alexander Beregalov Acked-by: David S. Miller Signed-off-by: Greg Kroah-Hartman diff --git a/drivers/staging/slicoss/slicoss.c b/drivers/staging/slicoss/slicoss.c index 9481563..79b3d1f 100644 --- a/drivers/staging/slicoss/slicoss.c +++ b/drivers/staging/slicoss/slicoss.c @@ -345,6 +345,19 @@ static void slic_init_adapter(struct net_device *netdev, return; } +static const struct net_device_ops slic_netdev_ops = { + .ndo_open = slic_entry_open, + .ndo_stop = slic_entry_halt, + .ndo_start_xmit = slic_xmit_start, + .ndo_do_ioctl = slic_ioctl, + .ndo_set_mac_address = slic_mac_set_address, + .ndo_get_stats = slic_get_stats, + .ndo_set_multicast_list = slic_mcast_set_list, + .ndo_validate_addr = eth_validate_addr, + .ndo_set_mac_address = eth_mac_addr, + .ndo_change_mtu = eth_change_mtu, +}; + static int __devinit slic_entry_probe(struct pci_dev *pcidev, const struct pci_device_id *pci_tbl_entry) { @@ -442,13 +455,7 @@ static int __devinit slic_entry_probe(struct pci_dev *pcidev, netdev->base_addr = (unsigned long)adapter->memorybase; netdev->irq = adapter->irq; - netdev->open = slic_entry_open; - netdev->stop = slic_entry_halt; - netdev->hard_start_xmit = slic_xmit_start; - netdev->do_ioctl = slic_ioctl; - netdev->set_mac_address = slic_mac_set_address; - netdev->get_stats = slic_get_stats; - netdev->set_multicast_list = slic_mcast_set_list; + netdev->netdev_ops = &slic_netdev_ops; slic_debug_adapter_create(adapter); -- cgit v0.10.2 From 7bea36118ee888f0428d22ea6a5560de33e6e739 Mon Sep 17 00:00:00 2001 From: Alexander Beregalov Date: Sun, 29 Mar 2009 19:30:46 +0400 Subject: Staging: sxg: convert to netdev_ops Signed-off-by: Alexander Beregalov Acked-by: David S. Miller Signed-off-by: Greg Kroah-Hartman diff --git a/drivers/staging/sxg/sxg.c b/drivers/staging/sxg/sxg.c index 891f6e3..848d4be 100644 --- a/drivers/staging/sxg/sxg.c +++ b/drivers/staging/sxg/sxg.c @@ -896,6 +896,22 @@ static inline int sxg_read_config(struct adapter_t *adapter) return status; } +static const struct net_device_ops sxg_netdev_ops = { + .ndo_open = sxg_entry_open, + .ndo_stop = sxg_entry_halt, + .ndo_start_xmit = sxg_send_packets, + .ndo_do_ioctl = sxg_ioctl, + .ndo_change_mtu = sxg_change_mtu, + .ndo_get_stats = sxg_get_stats, + .ndo_set_multicast_list = sxg_mcast_set_list, + .ndo_validate_addr = eth_validate_addr, +#if XXXTODO + .ndo_set_mac_address = sxg_mac_set_address, +#else + .ndo_set_mac_address = eth_mac_addr, +#endif +}; + static int sxg_entry_probe(struct pci_dev *pcidev, const struct pci_device_id *pci_tbl_entry) { @@ -1095,16 +1111,7 @@ static int sxg_entry_probe(struct pci_dev *pcidev, netdev->base_addr = (unsigned long)adapter->base_addr; netdev->irq = adapter->irq; - netdev->open = sxg_entry_open; - netdev->stop = sxg_entry_halt; - netdev->hard_start_xmit = sxg_send_packets; - netdev->do_ioctl = sxg_ioctl; - netdev->change_mtu = sxg_change_mtu; -#if XXXTODO - netdev->set_mac_address = sxg_mac_set_address; -#endif - netdev->get_stats = sxg_get_stats; - netdev->set_multicast_list = sxg_mcast_set_list; + netdev->netdev_ops = &sxg_netdev_ops; SET_ETHTOOL_OPS(netdev, &sxg_nic_ethtool_ops); netdev->features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM; err = sxg_set_interrupt_capability(adapter); -- cgit v0.10.2 From cea96778196dcf7127d6bbbf296c1651848650f2 Mon Sep 17 00:00:00 2001 From: Alexander Beregalov Date: Sun, 29 Mar 2009 19:31:28 +0400 Subject: Staging: wlan-ng: convert to netdev_ops Signed-off-by: Alexander Beregalov Acked-by: David S. Miller Signed-off-by: Greg Kroah-Hartman diff --git a/drivers/staging/wlan-ng/p80211netdev.c b/drivers/staging/wlan-ng/p80211netdev.c index b2a606a..393e4df 100644 --- a/drivers/staging/wlan-ng/p80211netdev.c +++ b/drivers/staging/wlan-ng/p80211netdev.c @@ -711,6 +711,20 @@ static int wlan_change_mtu(netdevice_t *dev, int new_mtu) return 0; } +static const struct net_device_ops p80211_netdev_ops = { + .ndo_init = p80211knetdev_init, + .ndo_open = p80211knetdev_open, + .ndo_stop = p80211knetdev_stop, + .ndo_get_stats = p80211knetdev_get_stats, + .ndo_start_xmit = p80211knetdev_hard_start_xmit, + .ndo_set_multicast_list = p80211knetdev_set_multicast_list, + .ndo_do_ioctl = p80211knetdev_do_ioctl, + .ndo_set_mac_address = p80211knetdev_set_mac_address, + .ndo_tx_timeout = p80211knetdev_tx_timeout, + .ndo_change_mtu = wlan_change_mtu, + .ndo_validate_addr = eth_validate_addr, +}; + /*---------------------------------------------------------------- * wlan_setup * @@ -756,11 +770,7 @@ int wlan_setup(wlandevice_t *wlandev) } else { wlandev->netdev = dev; dev->ml_priv = wlandev; - dev->hard_start_xmit = p80211knetdev_hard_start_xmit; - dev->get_stats = p80211knetdev_get_stats; - dev->init = p80211knetdev_init; - dev->open = p80211knetdev_open; - dev->stop = p80211knetdev_stop; + dev->netdev_ops = &p80211_netdev_ops; mutex_init(&wlandev->ioctl_lock); /* block ioctls until fully initialised. Don't forget to call -- cgit v0.10.2 From a405f43ee336fb890fd967625cc133f9d2e59a9f Mon Sep 17 00:00:00 2001 From: Alexander Beregalov Date: Sun, 29 Mar 2009 19:59:13 +0400 Subject: Staging: line6: convert to snd_card_create() Signed-off-by: Alexander Beregalov Signed-off-by: Greg Kroah-Hartman diff --git a/drivers/staging/line6/audio.c b/drivers/staging/line6/audio.c index 3aa9468..e2ac8d6 100644 --- a/drivers/staging/line6/audio.c +++ b/drivers/staging/line6/audio.c @@ -27,11 +27,12 @@ int line6_init_audio(struct usb_line6 *line6) { static int dev; struct snd_card *card; + int err; - card = snd_card_new(line6_index[dev], line6_id[dev], THIS_MODULE, 0); - - if (card == NULL) - return -ENOMEM; + err = snd_card_create(line6_index[dev], line6_id[dev], THIS_MODULE, 0, + &card); + if (err < 0) + return err; line6->card = card; -- cgit v0.10.2 From 7cf94029bc0ba99f85a95f19d6823391dffbcf5a Mon Sep 17 00:00:00 2001 From: Daniele Napolitano Date: Wed, 1 Apr 2009 14:53:39 -0700 Subject: Staging: rt2870: add ID for Sitecom WL-315 Signed-off-by: Daniele Napolitano Cc: Arnd Bergmann Cc: Greg KH Signed-off-by: Andrew Morton Signed-off-by: Greg Kroah-Hartman diff --git a/drivers/staging/rt2870/rt2870.h b/drivers/staging/rt2870/rt2870.h index 5dd15aa..a42caa3 100644 --- a/drivers/staging/rt2870/rt2870.h +++ b/drivers/staging/rt2870/rt2870.h @@ -96,6 +96,7 @@ {USB_DEVICE(0x0DF6,0x002B)}, /* Sitecom */ \ {USB_DEVICE(0x0DF6,0x002C)}, /* Sitecom */ \ {USB_DEVICE(0x0DF6,0x002D)}, /* Sitecom */ \ + {USB_DEVICE(0x0DF6,0x0039)}, /* Sitecom */ \ {USB_DEVICE(0x14B2,0x3C06)}, /* Conceptronic */ \ {USB_DEVICE(0x14B2,0x3C28)}, /* Conceptronic */ \ {USB_DEVICE(0x2019,0xED06)}, /* Planex Communications, Inc. */ \ -- cgit v0.10.2 From 20aa9e9b5465a2566e23d78643735dfae3277dab Mon Sep 17 00:00:00 2001 From: Alan Cox Date: Tue, 7 Apr 2009 18:43:43 +0100 Subject: Staging: aten2011: Clean up some tty bits Minor fixes for tty layer stuff in this driver Signed-off-by: Alan Cox Signed-off-by: Greg Kroah-Hartman diff --git a/drivers/staging/uc2322/aten2011.c b/drivers/staging/uc2322/aten2011.c index 85b7054..9c62f78 100644 --- a/drivers/staging/uc2322/aten2011.c +++ b/drivers/staging/uc2322/aten2011.c @@ -603,10 +603,9 @@ static void ATEN2011_bulk_out_data_callback(struct urb *urb) tty = tty_port_tty_get(&ATEN2011_port->port->port); - if (tty && ATEN2011_port->open) { + if (tty && ATEN2011_port->open) /* tell the tty driver that something has changed */ - wake_up_interruptible(&tty->write_wait); - } + tty_wakeup(tty); /* schedule_work(&ATEN2011_port->port->work); */ tty_kref_put(tty); @@ -825,12 +824,6 @@ static int ATEN2011_open(struct tty_struct *tty, struct usb_serial_port *port, status = 0; status = set_reg_sync(port, ATEN2011_port->ControlRegOffset, Data); - /* force low_latency on so that our tty_push actually forces * - * the data through,otherwise it is scheduled, and with * - * high data rates (like with OHCI) data can get lost. */ - - if (tty) - tty->low_latency = 1; /* * Check to see if we've set up our endpoint info yet * (can't set it up in ATEN2011_startup as the structures @@ -1473,22 +1466,7 @@ static void ATEN2011_set_termios(struct tty_struct *tty, cflag = tty->termios->c_cflag; - if (!cflag) { - dbg("%s %s", __func__, "cflag is NULL"); - return; - } - - /* check that they really want us to change something */ - if (old_termios) { - if ((cflag == old_termios->c_cflag) && - (RELEVANT_IFLAG(tty->termios->c_iflag) == - RELEVANT_IFLAG(old_termios->c_iflag))) { - dbg("%s", "Nothing to change"); - return; - } - } - - dbg("%s - clfag %08x iflag %08x", __func__, + dbg("%s - cflag %08x iflag %08x", __func__, tty->termios->c_cflag, RELEVANT_IFLAG(tty->termios->c_iflag)); if (old_termios) { -- cgit v0.10.2 From 1d8cbcf5d66b1f23f776a2c10ef9574a338cd109 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Arve=20Hj=C3=B8nnev=C3=A5g?= Date: Mon, 6 Apr 2009 15:12:53 -0700 Subject: Staging: binder: Remove VM_EXEC check. MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Many platforms do not support mappings without VM_EXEC. Signed-off-by: Arve Hjønnevåg Signed-off-by: Greg Kroah-Hartman diff --git a/drivers/staging/android/binder.c b/drivers/staging/android/binder.c index 79e90fe..b62cd2a 100644 --- a/drivers/staging/android/binder.c +++ b/drivers/staging/android/binder.c @@ -54,11 +54,7 @@ static int binder_read_proc_proc( #define SZ_4M 0x400000 #endif -#ifndef __i386__ -#define FORBIDDEN_MMAP_FLAGS (VM_WRITE | VM_EXEC) -#else #define FORBIDDEN_MMAP_FLAGS (VM_WRITE) -#endif #define BINDER_SMALL_BUF_SIZE (PAGE_SIZE * 64) -- cgit v0.10.2 From 85e0b0cbbfc17e7f7baa9e76f9a937249108fc52 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Arve=20Hj=C3=B8nnev=C3=A5g?= Date: Mon, 6 Apr 2009 15:12:54 -0700 Subject: Staging: binder: Don't create two proc entries with the same name if the driver is opened twice in one process. MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Arve Hjønnevåg Signed-off-by: Greg Kroah-Hartman diff --git a/drivers/staging/android/binder.c b/drivers/staging/android/binder.c index b62cd2a..39871da 100644 --- a/drivers/staging/android/binder.c +++ b/drivers/staging/android/binder.c @@ -2776,6 +2776,7 @@ static int binder_open(struct inode *nodp, struct file *filp) if (binder_proc_dir_entry_proc) { char strbuf[11]; snprintf(strbuf, sizeof(strbuf), "%u", proc->pid); + remove_proc_entry(strbuf, binder_proc_dir_entry_proc); create_proc_read_entry(strbuf, S_IRUGO, binder_proc_dir_entry_proc, binder_read_proc_proc, proc); } -- cgit v0.10.2 From 4ddfc911e39a01f95ad9765d3b9e6f43e14eeff4 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Arve=20Hj=C3=B8nnev=C3=A5g?= Date: Mon, 6 Apr 2009 15:12:55 -0700 Subject: Staging: binder: mmap fixes. MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Only allow a binder file pointer to be mmapped once. The buffer management code cannot deal with more then one area. Also remove leftover mutex_unlock if mmap fails. Signed-off-by: Arve Hjønnevåg Signed-off-by: Greg Kroah-Hartman diff --git a/drivers/staging/android/binder.c b/drivers/staging/android/binder.c index 39871da..761f5d6 100644 --- a/drivers/staging/android/binder.c +++ b/drivers/staging/android/binder.c @@ -2694,6 +2694,12 @@ static int binder_mmap(struct file *filp, struct vm_area_struct *vma) } vma->vm_flags = (vma->vm_flags | VM_DONTCOPY) & ~VM_MAYWRITE; + if (proc->buffer) { + ret = -EBUSY; + failure_string = "already mapped"; + goto err_already_mapped; + } + area = get_vm_area(vma->vm_end - vma->vm_start, VM_IOREMAP); if (area == NULL) { ret = -ENOMEM; @@ -2741,10 +2747,12 @@ static int binder_mmap(struct file *filp, struct vm_area_struct *vma) err_alloc_small_buf_failed: kfree(proc->pages); + proc->pages = NULL; err_alloc_pages_failed: vfree(proc->buffer); + proc->buffer = NULL; err_get_vm_area_failed: - mutex_unlock(&binder_lock); +err_already_mapped: err_bad_arg: printk(KERN_ERR "binder_mmap: %d %lx-%lx %s failed %d\n", proc->pid, vma->vm_start, vma->vm_end, failure_string, ret); return ret; -- cgit v0.10.2 From ea5c4cc68e2b5f4ec41d666376d3606d4d5c3426 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Arve=20Hj=C3=B8nnev=C3=A5g?= Date: Mon, 6 Apr 2009 15:12:56 -0700 Subject: Staging: binder: Add more offset validation. MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Check that datasize is not smaller than one flat_binder_object. Check that offsets are aligned. Check that offsets_size is aligned. Signed-off-by: Arve Hjønnevåg Signed-off-by: Greg Kroah-Hartman diff --git a/drivers/staging/android/binder.c b/drivers/staging/android/binder.c index 761f5d6..64f95ee 100644 --- a/drivers/staging/android/binder.c +++ b/drivers/staging/android/binder.c @@ -1430,10 +1430,19 @@ binder_transaction(struct binder_proc *proc, struct binder_thread *thread, return_error = BR_FAILED_REPLY; goto err_copy_data_failed; } + if (!IS_ALIGNED(tr->offsets_size, sizeof(size_t))) { + binder_user_error("binder: %d:%d got transaction with " + "invalid offsets size, %zd\n", + proc->pid, thread->pid, tr->offsets_size); + return_error = BR_FAILED_REPLY; + goto err_bad_offset; + } off_end = (void *)offp + tr->offsets_size; for (; offp < off_end; offp++) { struct flat_binder_object *fp; - if (*offp > t->buffer->data_size - sizeof(*fp)) { + if (*offp > t->buffer->data_size - sizeof(*fp) || + t->buffer->data_size < sizeof(*fp) || + !IS_ALIGNED(*offp, sizeof(void *))) { binder_user_error("binder: %d:%d got transaction with " "invalid offset, %zd\n", proc->pid, thread->pid, *offp); @@ -1651,7 +1660,9 @@ binder_transaction_buffer_release(struct binder_proc *proc, struct binder_buffer off_end = (void *)offp + buffer->offsets_size; for (; offp < off_end; offp++) { struct flat_binder_object *fp; - if (*offp > buffer->data_size - sizeof(*fp)) { + if (*offp > buffer->data_size - sizeof(*fp) || + buffer->data_size < sizeof(*fp) || + !IS_ALIGNED(*offp, sizeof(void *))) { printk(KERN_ERR "binder: transaction release %d bad" "offset %zd, size %zd\n", debug_id, *offp, buffer->data_size); continue; -- cgit v0.10.2 From 282ca175d4c440ec4d74bc622ee497e5b3530ce5 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Arve=20Hj=C3=B8nnev=C3=A5g?= Date: Mon, 6 Apr 2009 15:12:57 -0700 Subject: Staging: binder: Keep a reference to the files_struct while the driver is mmapped MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit This prevents breaking fget_light if a single threaded application allows incoming file descriptors (in replies or on nodes). Should also prevent inserting a file in the wrong files_struct if the receving process execs in the middle of a transaction (between task_get_unused_fd_flags and task_fd_install). Signed-off-by: Arve Hjønnevåg Signed-off-by: Greg Kroah-Hartman diff --git a/drivers/staging/android/binder.c b/drivers/staging/android/binder.c index 64f95ee..09962e8 100644 --- a/drivers/staging/android/binder.c +++ b/drivers/staging/android/binder.c @@ -41,6 +41,8 @@ static int binder_last_id; static struct proc_dir_entry *binder_proc_dir_entry_root; static struct proc_dir_entry *binder_proc_dir_entry_proc; static struct hlist_head binder_dead_nodes; +static HLIST_HEAD(binder_release_files_list); +static DEFINE_MUTEX(binder_release_files_lock); static int binder_read_proc_proc( char *page, char **start, off_t off, int count, int *eof, void *data); @@ -241,6 +243,8 @@ struct binder_proc { int pid; struct vm_area_struct *vma; struct task_struct *tsk; + struct files_struct *files; + struct hlist_node release_files_node; void *buffer; size_t user_buffer_offset; @@ -309,9 +313,9 @@ struct binder_transaction { /* * copied from get_unused_fd_flags */ -int task_get_unused_fd_flags(struct task_struct *tsk, int flags) +int task_get_unused_fd_flags(struct binder_proc *proc, int flags) { - struct files_struct *files = get_files_struct(tsk); + struct files_struct *files = proc->files; int fd, error; struct fdtable *fdt; unsigned long rlim_cur; @@ -333,9 +337,9 @@ repeat: * will limit the total number of files that can be opened. */ rlim_cur = 0; - if (lock_task_sighand(tsk, &irqs)) { - rlim_cur = tsk->signal->rlim[RLIMIT_NOFILE].rlim_cur; - unlock_task_sighand(tsk, &irqs); + if (lock_task_sighand(proc->tsk, &irqs)) { + rlim_cur = proc->tsk->signal->rlim[RLIMIT_NOFILE].rlim_cur; + unlock_task_sighand(proc->tsk, &irqs); } if (fd >= rlim_cur) goto out; @@ -371,7 +375,6 @@ repeat: out: spin_unlock(&files->file_lock); - put_files_struct(files); return error; } @@ -379,9 +382,9 @@ out: * copied from fd_install */ static void task_fd_install( - struct task_struct *tsk, unsigned int fd, struct file *file) + struct binder_proc *proc, unsigned int fd, struct file *file) { - struct files_struct *files = get_files_struct(tsk); + struct files_struct *files = proc->files; struct fdtable *fdt; if (files == NULL) @@ -392,7 +395,6 @@ static void task_fd_install( BUG_ON(fdt->fd[fd] != NULL); rcu_assign_pointer(fdt->fd[fd], file); spin_unlock(&files->file_lock); - put_files_struct(files); } /* @@ -409,10 +411,10 @@ static void __put_unused_fd(struct files_struct *files, unsigned int fd) /* * copied from sys_close */ -static long task_close_fd(struct task_struct *tsk, unsigned int fd) +static long task_close_fd(struct binder_proc *proc, unsigned int fd) { struct file *filp; - struct files_struct *files = get_files_struct(tsk); + struct files_struct *files = proc->files; struct fdtable *fdt; int retval; @@ -439,12 +441,10 @@ static long task_close_fd(struct task_struct *tsk, unsigned int fd) retval == -ERESTART_RESTARTBLOCK)) retval = -EINTR; - put_files_struct(files); return retval; out_unlock: spin_unlock(&files->file_lock); - put_files_struct(files); return -EBADF; } @@ -1549,13 +1549,13 @@ binder_transaction(struct binder_proc *proc, struct binder_thread *thread, return_error = BR_FAILED_REPLY; goto err_fget_failed; } - target_fd = task_get_unused_fd_flags(target_proc->tsk, O_CLOEXEC); + target_fd = task_get_unused_fd_flags(target_proc, O_CLOEXEC); if (target_fd < 0) { fput(file); return_error = BR_FAILED_REPLY; goto err_get_unused_fd_failed; } - task_fd_install(target_proc->tsk, target_fd, file); + task_fd_install(target_proc, target_fd, file); if (binder_debug_mask & BINDER_DEBUG_TRANSACTION) printk(KERN_INFO " fd %ld -> %d\n", fp->handle, target_fd); /* TODO: fput? */ @@ -1698,7 +1698,7 @@ binder_transaction_buffer_release(struct binder_proc *proc, struct binder_buffer if (binder_debug_mask & BINDER_DEBUG_TRANSACTION) printk(KERN_INFO " fd %ld\n", fp->handle); if (failed_at) - task_close_fd(proc->tsk, fp->handle); + task_close_fd(proc, fp->handle); break; default: @@ -2663,6 +2663,34 @@ static void binder_vma_open(struct vm_area_struct *vma) (unsigned long)pgprot_val(vma->vm_page_prot)); dump_stack(); } + +static void binder_release_files(struct work_struct *work) +{ + struct binder_proc *proc; + struct files_struct *files; + do { + mutex_lock(&binder_lock); + mutex_lock(&binder_release_files_lock); + if (!hlist_empty(&binder_release_files_list)) { + proc = hlist_entry(binder_release_files_list.first, + struct binder_proc, release_files_node); + hlist_del_init(&proc->release_files_node); + files = proc->files; + if (files) + proc->files = NULL; + } else { + proc = NULL; + files = NULL; + } + mutex_unlock(&binder_release_files_lock); + mutex_unlock(&binder_lock); + if (files) + put_files_struct(files); + } while (proc); +} + +static DECLARE_WORK(binder_release_files_work, binder_release_files); + static void binder_vma_close(struct vm_area_struct *vma) { struct binder_proc *proc = vma->vm_private_data; @@ -2673,6 +2701,13 @@ static void binder_vma_close(struct vm_area_struct *vma) (vma->vm_end - vma->vm_start) / SZ_1K, vma->vm_flags, (unsigned long)pgprot_val(vma->vm_page_prot)); proc->vma = NULL; + mutex_lock(&binder_release_files_lock); + if (proc->files) { + hlist_add_head(&proc->release_files_node, + &binder_release_files_list); + schedule_work(&binder_release_files_work); + } + mutex_unlock(&binder_release_files_lock); } static struct vm_operations_struct binder_vm_ops = { @@ -2751,6 +2786,7 @@ static int binder_mmap(struct file *filp, struct vm_area_struct *vma) binder_insert_free_buffer(proc, buffer); proc->free_async_space = proc->buffer_size / 2; barrier(); + proc->files = get_files_struct(current); proc->vma = vma; /*printk(KERN_INFO "binder_mmap: %d %lx-%lx maps %p\n", proc->pid, vma->vm_start, vma->vm_end, proc->buffer);*/ @@ -2831,6 +2867,7 @@ static int binder_release(struct inode *nodp, struct file *filp) struct hlist_node *pos; struct binder_transaction *t; struct rb_node *n; + struct files_struct *files; struct binder_proc *proc = filp->private_data; int threads, nodes, incoming_refs, outgoing_refs, buffers, active_transactions, page_count; @@ -2840,6 +2877,14 @@ static int binder_release(struct inode *nodp, struct file *filp) remove_proc_entry(strbuf, binder_proc_dir_entry_proc); } mutex_lock(&binder_lock); + mutex_lock(&binder_release_files_lock); + if (!hlist_unhashed(&proc->release_files_node)) + hlist_del(&proc->release_files_node); + files = proc->files; + if (files) + proc->files = NULL; + mutex_unlock(&binder_release_files_lock); + hlist_del(&proc->proc_node); if (binder_context_mgr_node && binder_context_mgr_node->proc == proc) { if (binder_debug_mask & BINDER_DEBUG_DEAD_BINDER) @@ -2937,6 +2982,8 @@ static int binder_release(struct inode *nodp, struct file *filp) proc->pid, threads, nodes, incoming_refs, outgoing_refs, active_transactions, buffers, page_count); kfree(proc); + if (files) + put_files_struct(files); return 0; } -- cgit v0.10.2 From 7af7467efa64affc6505375ceac97d68cfb58e94 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Arve=20Hj=C3=B8nnev=C3=A5g?= Date: Mon, 6 Apr 2009 15:12:58 -0700 Subject: Staging: binder: Cast to uintptr_t instead of size_t when aligning pointers MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Arve Hjønnevåg Signed-off-by: Greg Kroah-Hartman diff --git a/drivers/staging/android/binder.c b/drivers/staging/android/binder.c index 09962e8..91a9629 100644 --- a/drivers/staging/android/binder.c +++ b/drivers/staging/android/binder.c @@ -246,7 +246,7 @@ struct binder_proc { struct files_struct *files; struct hlist_node release_files_node; void *buffer; - size_t user_buffer_offset; + ptrdiff_t user_buffer_offset; struct list_head buffers; struct rb_root free_buffers; @@ -614,7 +614,8 @@ static int binder_update_page_range(struct binder_proc *proc, int allocate, proc->pid, page_addr); goto err_map_kernel_failed; } - user_page_addr = (size_t)page_addr + proc->user_buffer_offset; + user_page_addr = + (uintptr_t)page_addr + proc->user_buffer_offset; ret = vm_insert_page(vma, user_page_addr, page[0]); if (ret) { printk(KERN_ERR "binder: %d: binder_alloc_buf failed " @@ -635,7 +636,7 @@ free_range: page_addr -= PAGE_SIZE) { page = &proc->pages[(page_addr - proc->buffer) / PAGE_SIZE]; if (vma) - zap_page_range(vma, (size_t)page_addr + + zap_page_range(vma, (uintptr_t)page_addr + proc->user_buffer_offset, PAGE_SIZE, NULL); err_vm_insert_page_failed: unmap_kernel_range((unsigned long)page_addr, PAGE_SIZE); @@ -716,18 +717,19 @@ static struct binder_buffer *binder_alloc_buf(struct binder_proc *proc, "er %p size %zd\n", proc->pid, size, buffer, buffer_size); has_page_addr = - (void *)(((size_t)buffer->data + buffer_size) & PAGE_MASK); + (void *)(((uintptr_t)buffer->data + buffer_size) & PAGE_MASK); if (n == NULL) { if (size + sizeof(struct binder_buffer) + 4 >= buffer_size) buffer_size = size; /* no room for other buffers */ else buffer_size = size + sizeof(struct binder_buffer); } - end_page_addr = (void *)PAGE_ALIGN((size_t)buffer->data + buffer_size); + end_page_addr = + (void *)PAGE_ALIGN((uintptr_t)buffer->data + buffer_size); if (end_page_addr > has_page_addr) end_page_addr = has_page_addr; if (binder_update_page_range(proc, 1, - (void *)PAGE_ALIGN((size_t)buffer->data), end_page_addr, NULL)) + (void *)PAGE_ALIGN((uintptr_t)buffer->data), end_page_addr, NULL)) return NULL; rb_erase(best_fit, &proc->free_buffers); @@ -758,12 +760,12 @@ static struct binder_buffer *binder_alloc_buf(struct binder_proc *proc, static void *buffer_start_page(struct binder_buffer *buffer) { - return (void *)((size_t)buffer & PAGE_MASK); + return (void *)((uintptr_t)buffer & PAGE_MASK); } static void *buffer_end_page(struct binder_buffer *buffer) { - return (void *)(((size_t)(buffer + 1) - 1) & PAGE_MASK); + return (void *)(((uintptr_t)(buffer + 1) - 1) & PAGE_MASK); } static void binder_delete_free_buffer( @@ -841,8 +843,8 @@ static void binder_free_buf( } binder_update_page_range(proc, 0, - (void *)PAGE_ALIGN((size_t)buffer->data), - (void *)(((size_t)buffer->data + buffer_size) & PAGE_MASK), + (void *)PAGE_ALIGN((uintptr_t)buffer->data), + (void *)(((uintptr_t)buffer->data + buffer_size) & PAGE_MASK), NULL); rb_erase(&buffer->rb_node, &proc->allocated_buffers); buffer->free = 1; @@ -2347,7 +2349,7 @@ retry: tr.data_size = t->buffer->data_size; tr.offsets_size = t->buffer->offsets_size; - tr.data.ptr.buffer = (void *)((void *)t->buffer->data + proc->user_buffer_offset); + tr.data.ptr.buffer = (void *)t->buffer->data + proc->user_buffer_offset; tr.data.ptr.offsets = tr.data.ptr.buffer + ALIGN(t->buffer->data_size, sizeof(void *)); if (put_user(cmd, (uint32_t __user *)ptr)) @@ -2753,7 +2755,7 @@ static int binder_mmap(struct file *filp, struct vm_area_struct *vma) goto err_get_vm_area_failed; } proc->buffer = area->addr; - proc->user_buffer_offset = vma->vm_start - (size_t)proc->buffer; + proc->user_buffer_offset = vma->vm_start - (uintptr_t)proc->buffer; #ifdef CONFIG_CPU_CACHE_VIPT if (cache_is_vipt_aliasing()) { -- cgit v0.10.2 From 0cf24a7dc9123ddf63c413b6d4b38017b19db713 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Arve=20Hj=C3=B8nnev=C3=A5g?= Date: Mon, 6 Apr 2009 15:12:59 -0700 Subject: Staging: binder: Prevent the wrong thread from adding a transaction to the stack. MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit If a thread is part of a transaction stack, it is only allowed to make another call if it was the target of the top transaction on the stack. Signed-off-by: Arve Hjønnevåg Signed-off-by: Greg Kroah-Hartman diff --git a/drivers/staging/android/binder.c b/drivers/staging/android/binder.c index 91a9629..b0127a3 100644 --- a/drivers/staging/android/binder.c +++ b/drivers/staging/android/binder.c @@ -1343,6 +1343,17 @@ binder_transaction(struct binder_proc *proc, struct binder_thread *thread, if (!(tr->flags & TF_ONE_WAY) && thread->transaction_stack) { struct binder_transaction *tmp; tmp = thread->transaction_stack; + if (tmp->to_thread != thread) { + binder_user_error("binder: %d:%d got new " + "transaction with bad transaction stack" + ", transaction %d has target %d:%d\n", + proc->pid, thread->pid, tmp->debug_id, + tmp->to_proc ? tmp->to_proc->pid : 0, + tmp->to_thread ? + tmp->to_thread->pid : 0); + return_error = BR_FAILED_REPLY; + goto err_bad_call_stack; + } while (tmp) { if (tmp->from && tmp->from->proc == target_proc) target_thread = tmp->from; -- cgit v0.10.2 From 861a0dcc397f3e94024cc311086799393ec517df Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Arve=20Hj=C3=B8nnev=C3=A5g?= Date: Mon, 6 Apr 2009 15:13:00 -0700 Subject: Staging: binder: Defer flush and release operations to avoid deadlocks. MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit If a transaction that contains a file descriptor fails on a later object, the new file descriptor needs to be closed. If this is a binder file descriptor we would deadlock in flush. If there were no other references to the file at this point release would also be called. Signed-off-by: Arve Hjønnevåg Signed-off-by: Greg Kroah-Hartman diff --git a/drivers/staging/android/binder.c b/drivers/staging/android/binder.c index b0127a3..299d29d 100644 --- a/drivers/staging/android/binder.c +++ b/drivers/staging/android/binder.c @@ -41,8 +41,8 @@ static int binder_last_id; static struct proc_dir_entry *binder_proc_dir_entry_root; static struct proc_dir_entry *binder_proc_dir_entry_proc; static struct hlist_head binder_dead_nodes; -static HLIST_HEAD(binder_release_files_list); -static DEFINE_MUTEX(binder_release_files_lock); +static HLIST_HEAD(binder_deferred_list); +static DEFINE_MUTEX(binder_deferred_lock); static int binder_read_proc_proc( char *page, char **start, off_t off, int count, int *eof, void *data); @@ -234,6 +234,12 @@ struct binder_buffer { uint8_t data[0]; }; +enum { + BINDER_DEFERRED_PUT_FILES = 0x01, + BINDER_DEFERRED_FLUSH = 0x02, + BINDER_DEFERRED_RELEASE = 0x04, +}; + struct binder_proc { struct hlist_node proc_node; struct rb_root threads; @@ -244,7 +250,8 @@ struct binder_proc { struct vm_area_struct *vma; struct task_struct *tsk; struct files_struct *files; - struct hlist_node release_files_node; + struct hlist_node deferred_work_node; + int deferred_work; void *buffer; ptrdiff_t user_buffer_offset; @@ -310,6 +317,8 @@ struct binder_transaction { uid_t sender_euid; }; +static void binder_defer_work(struct binder_proc *proc, int defer); + /* * copied from get_unused_fd_flags */ @@ -2677,33 +2686,6 @@ static void binder_vma_open(struct vm_area_struct *vma) dump_stack(); } -static void binder_release_files(struct work_struct *work) -{ - struct binder_proc *proc; - struct files_struct *files; - do { - mutex_lock(&binder_lock); - mutex_lock(&binder_release_files_lock); - if (!hlist_empty(&binder_release_files_list)) { - proc = hlist_entry(binder_release_files_list.first, - struct binder_proc, release_files_node); - hlist_del_init(&proc->release_files_node); - files = proc->files; - if (files) - proc->files = NULL; - } else { - proc = NULL; - files = NULL; - } - mutex_unlock(&binder_release_files_lock); - mutex_unlock(&binder_lock); - if (files) - put_files_struct(files); - } while (proc); -} - -static DECLARE_WORK(binder_release_files_work, binder_release_files); - static void binder_vma_close(struct vm_area_struct *vma) { struct binder_proc *proc = vma->vm_private_data; @@ -2714,13 +2696,7 @@ static void binder_vma_close(struct vm_area_struct *vma) (vma->vm_end - vma->vm_start) / SZ_1K, vma->vm_flags, (unsigned long)pgprot_val(vma->vm_page_prot)); proc->vma = NULL; - mutex_lock(&binder_release_files_lock); - if (proc->files) { - hlist_add_head(&proc->release_files_node, - &binder_release_files_list); - schedule_work(&binder_release_files_work); - } - mutex_unlock(&binder_release_files_lock); + binder_defer_work(proc, BINDER_DEFERRED_PUT_FILES); } static struct vm_operations_struct binder_vm_ops = { @@ -2853,11 +2829,17 @@ static int binder_open(struct inode *nodp, struct file *filp) static int binder_flush(struct file *filp, fl_owner_t id) { - struct rb_node *n; struct binder_proc *proc = filp->private_data; - int wake_count = 0; - mutex_lock(&binder_lock); + binder_defer_work(proc, BINDER_DEFERRED_FLUSH); + + return 0; +} + +static void binder_deferred_flush(struct binder_proc *proc) +{ + struct rb_node *n; + int wake_count = 0; for (n = rb_first(&proc->threads); n != NULL; n = rb_next(n)) { struct binder_thread *thread = rb_entry(n, struct binder_thread, rb_node); thread->looper |= BINDER_LOOPER_STATE_NEED_RETURN; @@ -2867,36 +2849,34 @@ static int binder_flush(struct file *filp, fl_owner_t id) } } wake_up_interruptible_all(&proc->wait); - mutex_unlock(&binder_lock); if (binder_debug_mask & BINDER_DEBUG_OPEN_CLOSE) printk(KERN_INFO "binder_flush: %d woke %d threads\n", proc->pid, wake_count); - - return 0; } static int binder_release(struct inode *nodp, struct file *filp) { - struct hlist_node *pos; - struct binder_transaction *t; - struct rb_node *n; - struct files_struct *files; struct binder_proc *proc = filp->private_data; - int threads, nodes, incoming_refs, outgoing_refs, buffers, active_transactions, page_count; - if (binder_proc_dir_entry_proc) { char strbuf[11]; snprintf(strbuf, sizeof(strbuf), "%u", proc->pid); remove_proc_entry(strbuf, binder_proc_dir_entry_proc); } - mutex_lock(&binder_lock); - mutex_lock(&binder_release_files_lock); - if (!hlist_unhashed(&proc->release_files_node)) - hlist_del(&proc->release_files_node); - files = proc->files; - if (files) - proc->files = NULL; - mutex_unlock(&binder_release_files_lock); + + binder_defer_work(proc, BINDER_DEFERRED_RELEASE); + + return 0; +} + +static void binder_deferred_release(struct binder_proc *proc) +{ + struct hlist_node *pos; + struct binder_transaction *t; + struct rb_node *n; + int threads, nodes, incoming_refs, outgoing_refs, buffers, active_transactions, page_count; + + BUG_ON(proc->vma); + BUG_ON(proc->files); hlist_del(&proc->proc_node); if (binder_context_mgr_node && binder_context_mgr_node->proc == proc) { @@ -2971,7 +2951,6 @@ static int binder_release(struct inode *nodp, struct file *filp) } binder_stats.obj_deleted[BINDER_STAT_PROC]++; - mutex_unlock(&binder_lock); page_count = 0; if (proc->pages) { @@ -2995,9 +2974,57 @@ static int binder_release(struct inode *nodp, struct file *filp) proc->pid, threads, nodes, incoming_refs, outgoing_refs, active_transactions, buffers, page_count); kfree(proc); - if (files) - put_files_struct(files); - return 0; +} + +static void binder_deferred_func(struct work_struct *work) +{ + struct binder_proc *proc; + struct files_struct *files; + + int defer; + do { + mutex_lock(&binder_lock); + mutex_lock(&binder_deferred_lock); + if (!hlist_empty(&binder_deferred_list)) { + proc = hlist_entry(binder_deferred_list.first, + struct binder_proc, deferred_work_node); + hlist_del_init(&proc->deferred_work_node); + defer = proc->deferred_work; + proc->deferred_work = 0; + } else { + proc = NULL; + defer = 0; + } + mutex_unlock(&binder_deferred_lock); + + files = NULL; + if (defer & BINDER_DEFERRED_PUT_FILES) + if ((files = proc->files)) + proc->files = NULL; + + if (defer & BINDER_DEFERRED_FLUSH) + binder_deferred_flush(proc); + + if (defer & BINDER_DEFERRED_RELEASE) + binder_deferred_release(proc); /* frees proc */ + + mutex_unlock(&binder_lock); + if (files) + put_files_struct(files); + } while (proc); +} +static DECLARE_WORK(binder_deferred_work, binder_deferred_func); + +static void binder_defer_work(struct binder_proc *proc, int defer) +{ + mutex_lock(&binder_deferred_lock); + proc->deferred_work |= defer; + if (hlist_unhashed(&proc->deferred_work_node)) { + hlist_add_head(&proc->deferred_work_node, + &binder_deferred_list); + schedule_work(&binder_deferred_work); + } + mutex_unlock(&binder_deferred_lock); } static char *print_binder_transaction(char *buf, char *end, const char *prefix, struct binder_transaction *t) -- cgit v0.10.2 From d203eea8db0b4acbd19ade1aa025ad9b9e0d8863 Mon Sep 17 00:00:00 2001 From: Geert Uytterhoeven Date: Mon, 6 Apr 2009 15:15:55 +0200 Subject: Staging: STLC45XX should depend on GENERIC_HARDIRQS m68k allmodconfig: | drivers/staging/stlc45xx/stlc45xx.c: In function 'stlc45xx_probe': | drivers/staging/stlc45xx/stlc45xx.c:2456: error: implicit declaration of function 'set_irq_type' | make[6]: *** [drivers/staging/stlc45xx/stlc45xx.o] Error 1 Signed-off-by: Geert Uytterhoeven Signed-off-by: Greg Kroah-Hartman diff --git a/drivers/staging/stlc45xx/Kconfig b/drivers/staging/stlc45xx/Kconfig index 8d3f46f..947fb75 100644 --- a/drivers/staging/stlc45xx/Kconfig +++ b/drivers/staging/stlc45xx/Kconfig @@ -1,6 +1,6 @@ config STLC45XX tristate "stlc4550/4560 support" - depends on MAC80211 && WLAN_80211 && SPI_MASTER + depends on MAC80211 && WLAN_80211 && SPI_MASTER && GENERIC_HARDIRQS ---help--- This is a driver for stlc4550 and stlc4560 chipsets. -- cgit v0.10.2 From f7ed550b3ecab4a14f78019ff3e8899add607f92 Mon Sep 17 00:00:00 2001 From: Lior Dotan Date: Wed, 11 Feb 2009 13:35:10 +0200 Subject: Revert Staging: SLICOSS: use gfp_kernel where possible Revert commit 2bb347361e2c19799431f56488a3f64de40a3aa6 This commit has been reported to cause problems: Mar 24 11:50:31 linuxdev kernel: BUG: sleeping function called from invalid context at mm/slub.c:1599 Mar 24 11:50:31 linuxdev kernel: in_atomic(): 1, irqs_disabled(): 0, pid: 3251, name: avahi-daemon Cc: Lior Dotan Cc: Christopher Harrer Signed-off-by: Greg Kroah-Hartman diff --git a/drivers/staging/slicoss/slicoss.c b/drivers/staging/slicoss/slicoss.c index 79b3d1f..6f5d0bf 100644 --- a/drivers/staging/slicoss/slicoss.c +++ b/drivers/staging/slicoss/slicoss.c @@ -1267,7 +1267,7 @@ static int slic_mcast_add_list(struct adapter *adapter, char *address) } /* Doesn't already exist. Allocate a structure to hold it */ - mcaddr = kmalloc(sizeof(struct mcast_address), GFP_KERNEL); + mcaddr = kmalloc(sizeof(struct mcast_address), GFP_ATOMIC); if (mcaddr == NULL) return 1; @@ -2291,7 +2291,7 @@ static u32 slic_card_locate(struct adapter *adapter) } if (!physcard) { /* no structure allocated for this physical card yet */ - physcard = kzalloc(sizeof(struct physcard), GFP_KERNEL); + physcard = kzalloc(sizeof(struct physcard), GFP_ATOMIC); ASSERT(physcard); physcard->next = slic_global.phys_card; -- cgit v0.10.2 From 288a9a8955cd28bf6a0f48ec821cf9028e96081b Mon Sep 17 00:00:00 2001 From: Evgeniy Polyakov Date: Fri, 27 Mar 2009 15:04:18 +0300 Subject: Staging: pohmelfs: Populate dentry cache when receiving the new readdir entry. Signed-off-by: Evgeniy Polyakov Signed-off-by: Greg Kroah-Hartman diff --git a/drivers/staging/pohmelfs/net.c b/drivers/staging/pohmelfs/net.c index c9b8540..93a5921 100644 --- a/drivers/staging/pohmelfs/net.c +++ b/drivers/staging/pohmelfs/net.c @@ -450,8 +450,24 @@ static int pohmelfs_readdir_response(struct netfs_state *st) if (err != -EEXIST) goto err_out_put; } else { + struct dentry *dentry, *alias, *pd; + set_bit(NETFS_INODE_REMOTE_SYNCED, &npi->state); clear_bit(NETFS_INODE_OWNED, &npi->state); + + pd = d_find_alias(&parent->vfs_inode); + if (pd) { + str.hash = full_name_hash(str.name, str.len); + dentry = d_alloc(pd, &str); + if (dentry) { + alias = d_materialise_unique(dentry, &npi->vfs_inode); + if (alias) + dput(dentry); + } + + dput(dentry); + dput(pd); + } } } out: -- cgit v0.10.2 From f3b8fa701b4bd8ec6d378896ad005f01e8382381 Mon Sep 17 00:00:00 2001 From: Evgeniy Polyakov Date: Fri, 27 Mar 2009 15:04:19 +0300 Subject: Staging: Pohmelfs: Move parent lock to the place where we really have to send a lookup request to the server. Signed-off-by: Evgeniy Polyakov Signed-off-by: Greg Kroah-Hartman diff --git a/drivers/staging/pohmelfs/dir.c b/drivers/staging/pohmelfs/dir.c index 7a41183..26da75c 100644 --- a/drivers/staging/pohmelfs/dir.c +++ b/drivers/staging/pohmelfs/dir.c @@ -389,11 +389,11 @@ static int pohmelfs_readdir(struct file *file, void *dirent, filldir_t filldir) dprintk("%s: parent: %llu, fpos: %llu, hash: %08lx.\n", __func__, pi->ino, (u64)file->f_pos, (unsigned long)file->private_data); - +#if 0 err = pohmelfs_data_lock(pi, 0, ~0, POHMELFS_READ_LOCK); if (err) return err; - +#endif err = pohmelfs_sync_remote_dir(pi); if (err) return err; @@ -513,10 +513,6 @@ struct dentry *pohmelfs_lookup(struct inode *dir, struct dentry *dentry, struct need_lock = pohmelfs_need_lock(parent, lock_type); - err = pohmelfs_data_lock(parent, 0, ~0, lock_type); - if (err) - goto out; - str.hash = jhash(dentry->d_name.name, dentry->d_name.len, 0); mutex_lock(&parent->offset_lock); @@ -525,7 +521,7 @@ struct dentry *pohmelfs_lookup(struct inode *dir, struct dentry *dentry, struct ino = n->ino; mutex_unlock(&parent->offset_lock); - dprintk("%s: 1 ino: %lu, inode: %p, name: '%s', hash: %x, parent_state: %lx.\n", + dprintk("%s: start ino: %lu, inode: %p, name: '%s', hash: %x, parent_state: %lx.\n", __func__, ino, inode, str.name, str.hash, parent->state); if (ino) { @@ -534,7 +530,7 @@ struct dentry *pohmelfs_lookup(struct inode *dir, struct dentry *dentry, struct goto out; } - dprintk("%s: dir: %p, dir_ino: %llu, name: '%s', len: %u, dir_state: %lx, ino: %lu.\n", + dprintk("%s: no inode dir: %p, dir_ino: %llu, name: '%s', len: %u, dir_state: %lx, ino: %lu.\n", __func__, dir, parent->ino, str.name, str.len, parent->state, ino); @@ -543,6 +539,10 @@ struct dentry *pohmelfs_lookup(struct inode *dir, struct dentry *dentry, struct goto out; } + err = pohmelfs_data_lock(parent, 0, ~0, lock_type); + if (err) + goto out; + err = pohmelfs_lookup_single(parent, &str, ino); if (err) goto out; -- cgit v0.10.2 From 86ac7253e81b47808f2702596efdfcbfb1a62372 Mon Sep 17 00:00:00 2001 From: Evgeniy Polyakov Date: Fri, 27 Mar 2009 15:04:20 +0300 Subject: Staging: Pohmelfs: Disable read lock in pohmelfs_getattr(). Signed-off-by: Evgeniy Polyakov Signed-off-by: Greg Kroah-Hartman diff --git a/drivers/staging/pohmelfs/inode.c b/drivers/staging/pohmelfs/inode.c index 5bf1650..a19e532 100644 --- a/drivers/staging/pohmelfs/inode.c +++ b/drivers/staging/pohmelfs/inode.c @@ -1171,11 +1171,11 @@ static int pohmelfs_getattr(struct vfsmount *mnt, struct dentry *dentry, struct struct inode *inode = dentry->d_inode; struct pohmelfs_inode *pi = POHMELFS_I(inode); int err; - +#if 0 err = pohmelfs_data_lock(pi, 0, ~0, POHMELFS_READ_LOCK); if (err) return err; - +#endif dprintk("%s: ino: %llu, mode: %o, uid: %u, gid: %u, size: %llu.\n", __func__, pi->ino, inode->i_mode, inode->i_uid, inode->i_gid, inode->i_size); -- cgit v0.10.2 From b522efdd6f8ab8eaae8c8aa984ab7f06a08bcc8e Mon Sep 17 00:00:00 2001 From: Evgeniy Polyakov Date: Fri, 27 Mar 2009 15:04:21 +0300 Subject: Staging: Pohmelfs: Added 'need_lock' variable into debug print. Signed-off-by: Evgeniy Polyakov Signed-off-by: Greg Kroah-Hartman diff --git a/drivers/staging/pohmelfs/dir.c b/drivers/staging/pohmelfs/dir.c index 26da75c..c99d91b 100644 --- a/drivers/staging/pohmelfs/dir.c +++ b/drivers/staging/pohmelfs/dir.c @@ -521,8 +521,8 @@ struct dentry *pohmelfs_lookup(struct inode *dir, struct dentry *dentry, struct ino = n->ino; mutex_unlock(&parent->offset_lock); - dprintk("%s: start ino: %lu, inode: %p, name: '%s', hash: %x, parent_state: %lx.\n", - __func__, ino, inode, str.name, str.hash, parent->state); + dprintk("%s: start ino: %lu, inode: %p, name: '%s', hash: %x, parent_state: %lx, need_lock: %d.\n", + __func__, ino, inode, str.name, str.hash, parent->state, need_lock); if (ino) { inode = ilookup(dir->i_sb, ino); -- cgit v0.10.2 From 872dc5e500cc25e3c35d83510dfbd6fb8d78221b Mon Sep 17 00:00:00 2001 From: Evgeniy Polyakov Date: Fri, 27 Mar 2009 15:04:22 +0300 Subject: Staging: Pohmelfs: Set NETFS_INODE_REMOTE_SYNCED and clear NETFS_INODE_OWNED bits in the root inode. Signed-off-by: Evgeniy Polyakov Signed-off-by: Greg Kroah-Hartman diff --git a/drivers/staging/pohmelfs/inode.c b/drivers/staging/pohmelfs/inode.c index a19e532..00570d9 100644 --- a/drivers/staging/pohmelfs/inode.c +++ b/drivers/staging/pohmelfs/inode.c @@ -1845,6 +1845,8 @@ static int pohmelfs_fill_super(struct super_block *sb, void *data, int silent) err = PTR_ERR(npi); goto err_out_crypto_exit; } + set_bit(NETFS_INODE_REMOTE_SYNCED, &npi->state); + clear_bit(NETFS_INODE_OWNED, &npi->state); root = &npi->vfs_inode; -- cgit v0.10.2 From e504342448375ffd73dec2b540a5aaf5da6f8439 Mon Sep 17 00:00:00 2001 From: Evgeniy Polyakov Date: Fri, 27 Mar 2009 15:04:23 +0300 Subject: Staging: Pohmelfs: Extend remount option. Signed-off-by: Evgeniy Polyakov Signed-off-by: Greg Kroah-Hartman diff --git a/drivers/staging/pohmelfs/inode.c b/drivers/staging/pohmelfs/inode.c index 00570d9..3fef09f 100644 --- a/drivers/staging/pohmelfs/inode.c +++ b/drivers/staging/pohmelfs/inode.c @@ -1169,16 +1169,17 @@ err_out_put: static int pohmelfs_getattr(struct vfsmount *mnt, struct dentry *dentry, struct kstat *stat) { struct inode *inode = dentry->d_inode; +#if 0 struct pohmelfs_inode *pi = POHMELFS_I(inode); int err; -#if 0 + err = pohmelfs_data_lock(pi, 0, ~0, POHMELFS_READ_LOCK); if (err) return err; -#endif dprintk("%s: ino: %llu, mode: %o, uid: %u, gid: %u, size: %llu.\n", __func__, pi->ino, inode->i_mode, inode->i_uid, inode->i_gid, inode->i_size); +#endif generic_fillattr(inode, stat); return 0; @@ -1346,12 +1347,6 @@ static void pohmelfs_put_super(struct super_block *sb) pohmelfs_ftrans_exit(); } -static int pohmelfs_remount(struct super_block *sb, int *flags, char *data) -{ - *flags |= MS_RDONLY; - return 0; -} - static int pohmelfs_statfs(struct dentry *dentry, struct kstatfs *buf) { struct super_block *sb = dentry->d_sb; @@ -1394,42 +1389,33 @@ static int pohmelfs_show_options(struct seq_file *seq, struct vfsmount *vfs) return 0; } -static const struct super_operations pohmelfs_sb_ops = { - .alloc_inode = pohmelfs_alloc_inode, - .destroy_inode = pohmelfs_destroy_inode, - .drop_inode = pohmelfs_drop_inode, - .write_inode = pohmelfs_write_inode, - .put_super = pohmelfs_put_super, - .remount_fs = pohmelfs_remount, - .statfs = pohmelfs_statfs, - .show_options = pohmelfs_show_options, -}; - enum { pohmelfs_opt_idx, + pohmelfs_opt_crypto_thread_num, + pohmelfs_opt_trans_max_pages, + pohmelfs_opt_crypto_fail_unsupported, + + /* Remountable options */ pohmelfs_opt_trans_scan_timeout, pohmelfs_opt_drop_scan_timeout, pohmelfs_opt_wait_on_page_timeout, pohmelfs_opt_trans_retries, - pohmelfs_opt_crypto_thread_num, - pohmelfs_opt_trans_max_pages, - pohmelfs_opt_crypto_fail_unsupported, pohmelfs_opt_mcache_timeout, }; static struct match_token pohmelfs_tokens[] = { {pohmelfs_opt_idx, "idx=%u"}, + {pohmelfs_opt_crypto_thread_num, "crypto_thread_num=%u"}, + {pohmelfs_opt_trans_max_pages, "trans_max_pages=%u"}, + {pohmelfs_opt_crypto_fail_unsupported, "crypto_fail_unsupported"}, {pohmelfs_opt_trans_scan_timeout, "trans_scan_timeout=%u"}, {pohmelfs_opt_drop_scan_timeout, "drop_scan_timeout=%u"}, {pohmelfs_opt_wait_on_page_timeout, "wait_on_page_timeout=%u"}, {pohmelfs_opt_trans_retries, "trans_retries=%u"}, - {pohmelfs_opt_crypto_thread_num, "crypto_thread_num=%u"}, - {pohmelfs_opt_trans_max_pages, "trans_max_pages=%u"}, - {pohmelfs_opt_crypto_fail_unsupported, "crypto_fail_unsupported"}, {pohmelfs_opt_mcache_timeout, "mcache_timeout=%u"}, }; -static int pohmelfs_parse_options(char *options, struct pohmelfs_sb *psb) +static int pohmelfs_parse_options(char *options, struct pohmelfs_sb *psb, int remount) { char *p; substring_t args[MAX_OPT_ARGS]; @@ -1449,6 +1435,9 @@ static int pohmelfs_parse_options(char *options, struct pohmelfs_sb *psb) if (err) return err; + if (remount && token <= pohmelfs_opt_crypto_fail_unsupported) + continue; + switch (token) { case pohmelfs_opt_idx: psb->idx = option; @@ -1485,6 +1474,25 @@ static int pohmelfs_parse_options(char *options, struct pohmelfs_sb *psb) return 0; } +static int pohmelfs_remount(struct super_block *sb, int *flags, char *data) +{ + int err; + struct pohmelfs_sb *psb = POHMELFS_SB(sb); + unsigned long old_sb_flags = sb->s_flags; + + err = pohmelfs_parse_options(data, psb, 1); + if (err) + goto err_out_restore; + + if (!(*flags & MS_RDONLY)) + sb->s_flags &= ~MS_RDONLY; + return 0; + +err_out_restore: + sb->s_flags = old_sb_flags; + return err; +} + static void pohmelfs_flush_inode(struct pohmelfs_inode *pi, unsigned int count) { struct inode *inode = &pi->vfs_inode; @@ -1753,6 +1761,17 @@ err_out_exit: return err; } +static const struct super_operations pohmelfs_sb_ops = { + .alloc_inode = pohmelfs_alloc_inode, + .destroy_inode = pohmelfs_destroy_inode, + .drop_inode = pohmelfs_drop_inode, + .write_inode = pohmelfs_write_inode, + .put_super = pohmelfs_put_super, + .remount_fs = pohmelfs_remount, + .statfs = pohmelfs_statfs, + .show_options = pohmelfs_show_options, +}; + /* * Allocate private superblock and create root dir. */ @@ -1816,7 +1835,7 @@ static int pohmelfs_fill_super(struct super_block *sb, void *data, int silent) mutex_init(&psb->state_lock); INIT_LIST_HEAD(&psb->state_list); - err = pohmelfs_parse_options((char *) data, psb); + err = pohmelfs_parse_options((char *) data, psb, 0); if (err) goto err_out_free_sb; -- cgit v0.10.2 From cee9bb2ebdc1697f9be7ee5bdd6867daaa712179 Mon Sep 17 00:00:00 2001 From: Evgeniy Polyakov Date: Fri, 27 Mar 2009 15:04:24 +0300 Subject: Staging: Pohmelfs: Sync fs before killing it, since dentry cache is shrunk before writeback is invoked via generic_shutdown_super() Signed-off-by: Evgeniy Polyakov Signed-off-by: Greg Kroah-Hartman diff --git a/drivers/staging/pohmelfs/inode.c b/drivers/staging/pohmelfs/inode.c index 3fef09f..af99f66 100644 --- a/drivers/staging/pohmelfs/inode.c +++ b/drivers/staging/pohmelfs/inode.c @@ -1908,11 +1908,29 @@ static int pohmelfs_get_sb(struct file_system_type *fs_type, mnt); } +/* + * We need this to sync all inodes earlier, since when writeback + * is invoked from the umount/mntput path dcache is already shrunk, + * see generic_shutdown_super(), and no inodes can access the path. + */ +static void pohmelfs_kill_super(struct super_block *sb) +{ + struct writeback_control wbc = { + .sync_mode = WB_SYNC_ALL, + .range_start = 0, + .range_end = LLONG_MAX, + .nr_to_write = LONG_MAX, + }; + generic_sync_sb_inodes(sb, &wbc); + + kill_anon_super(sb); +} + static struct file_system_type pohmel_fs_type = { .owner = THIS_MODULE, .name = "pohmel", .get_sb = pohmelfs_get_sb, - .kill_sb = kill_anon_super, + .kill_sb = pohmelfs_kill_super, }; /* -- cgit v0.10.2 From d1ec64409bf6fed877d0e55e23587b2b6f5d7d58 Mon Sep 17 00:00:00 2001 From: Evgeniy Polyakov Date: Fri, 27 Mar 2009 15:04:25 +0300 Subject: Staging: Pohmelfs: Reduce debugging noise about non-existing objects. Signed-off-by: Evgeniy Polyakov Signed-off-by: Greg Kroah-Hartman diff --git a/drivers/staging/pohmelfs/dir.c b/drivers/staging/pohmelfs/dir.c index c99d91b..10d21a4 100644 --- a/drivers/staging/pohmelfs/dir.c +++ b/drivers/staging/pohmelfs/dir.c @@ -557,10 +557,10 @@ struct dentry *pohmelfs_lookup(struct inode *dir, struct dentry *dentry, struct if (ino) { inode = ilookup(dir->i_sb, ino); - printk("%s: second lookup ino: %lu, inode: %p, name: '%s', hash: %x.\n", + dprintk("%s: second lookup ino: %lu, inode: %p, name: '%s', hash: %x.\n", __func__, ino, inode, str.name, str.hash); if (!inode) { - printk("%s: No inode for ino: %lu, name: '%s', hash: %x.\n", + dprintk("%s: No inode for ino: %lu, name: '%s', hash: %x.\n", __func__, ino, str.name, str.hash); //return NULL; return ERR_PTR(-EACCES); -- cgit v0.10.2 From b82ba780a769a2735c86b5197457972a7df0af08 Mon Sep 17 00:00:00 2001 From: Evgeniy Polyakov Date: Fri, 27 Mar 2009 15:04:26 +0300 Subject: Staging: Pohmelfs: Use wait_on_page_timeout when waiting for remote directory sync instead of hardcoded 25 seconds. Signed-off-by: Evgeniy Polyakov Signed-off-by: Greg Kroah-Hartman diff --git a/drivers/staging/pohmelfs/dir.c b/drivers/staging/pohmelfs/dir.c index 10d21a4..b579984 100644 --- a/drivers/staging/pohmelfs/dir.c +++ b/drivers/staging/pohmelfs/dir.c @@ -328,7 +328,7 @@ static int pohmelfs_sync_remote_dir(struct pohmelfs_inode *pi) { struct inode *inode = &pi->vfs_inode; struct pohmelfs_sb *psb = POHMELFS_SB(inode->i_sb); - long ret = msecs_to_jiffies(25000); + long ret = psb->wait_on_page_timeout; int err; dprintk("%s: dir: %llu, state: %lx: remote_synced: %d.\n", -- cgit v0.10.2 From 50e4babfb0c36f1665ffcdc9a1826021aedb173f Mon Sep 17 00:00:00 2001 From: Evgeniy Polyakov Date: Fri, 27 Mar 2009 15:04:27 +0300 Subject: Staging: Pohmelfs: Drop ftrans debugging code. Signed-off-by: Evgeniy Polyakov Signed-off-by: Greg Kroah-Hartman diff --git a/drivers/staging/pohmelfs/inode.c b/drivers/staging/pohmelfs/inode.c index af99f66..a12fcc6 100644 --- a/drivers/staging/pohmelfs/inode.c +++ b/drivers/staging/pohmelfs/inode.c @@ -1343,8 +1343,6 @@ static void pohmelfs_put_super(struct super_block *sb) kfree(psb); sb->s_fs_info = NULL; - - pohmelfs_ftrans_exit(); } static int pohmelfs_statfs(struct dentry *dentry, struct kstatfs *buf) @@ -1783,8 +1781,6 @@ static int pohmelfs_fill_super(struct super_block *sb, void *data, int silent) struct pohmelfs_inode *npi; struct qstr str; - pohmelfs_ftrans_init(); - psb = kzalloc(sizeof(struct pohmelfs_sb), GFP_KERNEL); if (!psb) goto err_out_exit; diff --git a/drivers/staging/pohmelfs/net.c b/drivers/staging/pohmelfs/net.c index 93a5921..11ecac0 100644 --- a/drivers/staging/pohmelfs/net.c +++ b/drivers/staging/pohmelfs/net.c @@ -26,55 +26,6 @@ #include "netfs.h" -static int pohmelfs_ftrans_size = 10240; -static u32 *pohmelfs_ftrans; - -int pohmelfs_ftrans_init(void) -{ - pohmelfs_ftrans = vmalloc(pohmelfs_ftrans_size * 4); - if (!pohmelfs_ftrans) - return -ENOMEM; - - return 0; -} - -void pohmelfs_ftrans_exit(void) -{ - vfree(pohmelfs_ftrans); -} - -void pohmelfs_ftrans_clean(u64 id) -{ - if (pohmelfs_ftrans) { - u32 i = id & 0xffffffff; - int idx = i % pohmelfs_ftrans_size; - - pohmelfs_ftrans[idx] = 0; - } -} - -void pohmelfs_ftrans_update(u64 id) -{ - if (pohmelfs_ftrans) { - u32 i = id & 0xffffffff; - int idx = i % pohmelfs_ftrans_size; - - pohmelfs_ftrans[idx] = i; - } -} - -int pohmelfs_ftrans_check(u64 id) -{ - if (pohmelfs_ftrans) { - u32 i = id & 0xffffffff; - int idx = i % pohmelfs_ftrans_size; - - return (pohmelfs_ftrans[idx] == i); - } - - return -1; -} - /* * Async machinery lives here. * All commands being sent to server do _not_ require sync reply, @@ -654,15 +605,12 @@ static int pohmelfs_transaction_response(struct netfs_state *st) if (dst) { netfs_trans_remove_nolock(dst, st); t = dst->trans; - - pohmelfs_ftrans_update(cmd->start); } mutex_unlock(&st->trans_lock); if (!t) { - int check = pohmelfs_ftrans_check(cmd->start); - printk("%s: failed to find transaction: start: %llu: id: %llu, size: %u, ext: %u, double: %d.\n", - __func__, cmd->start, cmd->id, cmd->size, cmd->ext, check); + printk("%s: failed to find transaction: start: %llu: id: %llu, size: %u, ext: %u.\n", + __func__, cmd->start, cmd->id, cmd->size, cmd->ext); err = -EINVAL; goto out; } diff --git a/drivers/staging/pohmelfs/netfs.h b/drivers/staging/pohmelfs/netfs.h index 2ff21ae..59f81cb 100644 --- a/drivers/staging/pohmelfs/netfs.h +++ b/drivers/staging/pohmelfs/netfs.h @@ -921,12 +921,6 @@ static inline void pohmelfs_mcache_put(struct pohmelfs_sb *psb, pohmelfs_mcache_free(psb, m); } -int pohmelfs_ftrans_init(void); -void pohmelfs_ftrans_exit(void); -void pohmelfs_ftrans_update(u64 id); -int pohmelfs_ftrans_check(u64 id); -void pohmelfs_ftrans_clean(u64 id); - #endif /* __KERNEL__*/ #endif /* __NETFS_H */ diff --git a/drivers/staging/pohmelfs/trans.c b/drivers/staging/pohmelfs/trans.c index bcb5942..b89f9f3 100644 --- a/drivers/staging/pohmelfs/trans.c +++ b/drivers/staging/pohmelfs/trans.c @@ -501,8 +501,6 @@ int netfs_trans_finish(struct netfs_trans *t, struct pohmelfs_sb *psb) t->gen = atomic_inc_return(&psb->trans_gen); - pohmelfs_ftrans_clean(t->gen); - cmd->size = t->iovec.iov_len - sizeof(struct netfs_cmd) + t->attached_size + t->attached_pages * sizeof(struct netfs_cmd); cmd->cmd = NETFS_TRANS; -- cgit v0.10.2 From f2739de19176009b14475207d5418cd79e7f0ba3 Mon Sep 17 00:00:00 2001 From: Evgeniy Polyakov Date: Fri, 27 Mar 2009 15:04:28 +0300 Subject: Staging: Pohmelfs: Added ->show_stats() callback. Signed-off-by: Evgeniy Polyakov Signed-off-by: Greg Kroah-Hartman diff --git a/drivers/staging/pohmelfs/inode.c b/drivers/staging/pohmelfs/inode.c index a12fcc6..b2eaf90 100644 --- a/drivers/staging/pohmelfs/inode.c +++ b/drivers/staging/pohmelfs/inode.c @@ -1759,6 +1759,45 @@ err_out_exit: return err; } +static int pohmelfs_show_stats(struct seq_file *m, struct vfsmount *mnt) +{ + struct netfs_state *st; + struct pohmelfs_ctl *ctl; + struct pohmelfs_sb *psb = POHMELFS_SB(mnt->mnt_sb); + struct pohmelfs_config *c; + + mutex_lock(&psb->state_lock); + + seq_printf(m, "\nidx addr(:port) socket_type protocol active priority permissions\n"); + + list_for_each_entry(c, &psb->state_list, config_entry) { + st = &c->state; + ctl = &st->ctl; + + seq_printf(m, "%u ", ctl->idx); + if (ctl->addr.sa_family == AF_INET) { + struct sockaddr_in *sin = (struct sockaddr_in *)&st->ctl.addr; + //seq_printf(m, "%pi4:%u", &sin->sin_addr.s_addr, ntohs(sin->sin_port)); + seq_printf(m, "%u.%u.%u.%u:%u", NIPQUAD(sin->sin_addr.s_addr), ntohs(sin->sin_port)); + } else if (ctl->addr.sa_family == AF_INET6) { + struct sockaddr_in6 *sin = (struct sockaddr_in6 *)&st->ctl.addr; + seq_printf(m, "%pi6:%u", &sin->sin6_addr, ntohs(sin->sin6_port)); + } else { + unsigned int i; + for (i=0; iaddrlen; ++i) + seq_printf(m, "%02x.", ctl->addr.addr[i]); + } + + seq_printf(m, " %u %u %d %u %x\n", + ctl->type, ctl->proto, + st->socket != NULL, + ctl->prio, ctl->perm); + } + mutex_unlock(&psb->state_lock); + + return 0; +} + static const struct super_operations pohmelfs_sb_ops = { .alloc_inode = pohmelfs_alloc_inode, .destroy_inode = pohmelfs_destroy_inode, @@ -1768,6 +1807,7 @@ static const struct super_operations pohmelfs_sb_ops = { .remount_fs = pohmelfs_remount, .statfs = pohmelfs_statfs, .show_options = pohmelfs_show_options, + .show_stats = pohmelfs_show_stats, }; /* diff --git a/drivers/staging/pohmelfs/netfs.h b/drivers/staging/pohmelfs/netfs.h index 59f81cb..7700e2b 100644 --- a/drivers/staging/pohmelfs/netfs.h +++ b/drivers/staging/pohmelfs/netfs.h @@ -116,16 +116,20 @@ struct pohmelfs_crypto unsigned char data[0]; /* Algorithm string, key and IV */ }; +#define POHMELFS_IO_PERM_READ (1<<0) +#define POHMELFS_IO_PERM_WRITE (1<<1) + /* * Configuration command used to create table of different remote servers. */ struct pohmelfs_ctl { - unsigned int idx; /* Config index */ - unsigned int type; /* Socket type */ - unsigned int proto; /* Socket protocol */ - unsigned int addrlen; /* Size of the address */ - unsigned short unused; /* Align structure by 4 bytes */ + __u32 idx; /* Config index */ + __u32 type; /* Socket type */ + __u32 proto; /* Socket protocol */ + __u16 addrlen; /* Size of the address */ + __u16 perm; /* IO permission */ + __u16 prio; /* IO priority */ struct saddr addr; /* Remote server address */ }; -- cgit v0.10.2 From e0ca87391694dfacd01465d5c01c579c3b8b63e0 Mon Sep 17 00:00:00 2001 From: Evgeniy Polyakov Date: Fri, 27 Mar 2009 15:04:29 +0300 Subject: Staging: Pohmelfs: Added IO permissions and priorities. Signed-off-by: Evgeniy Polyakov Signed-off-by: Greg Kroah-Hartman diff --git a/Documentation/filesystems/pohmelfs/design_notes.txt b/Documentation/filesystems/pohmelfs/design_notes.txt index 6d6db60..dcf8335 100644 --- a/Documentation/filesystems/pohmelfs/design_notes.txt +++ b/Documentation/filesystems/pohmelfs/design_notes.txt @@ -56,9 +56,10 @@ workloads and can fully utilize the bandwidth to the servers when doing bulk data transfers. POHMELFS clients operate with a working set of servers and are capable of balancing read-only -operations (like lookups or directory listings) between them. +operations (like lookups or directory listings) between them according to IO priorities. Administrators can add or remove servers from the set at run-time via special commands (described -in Documentation/pohmelfs/info.txt file). Writes are replicated to all servers. +in Documentation/pohmelfs/info.txt file). Writes are replicated to all servers, which are connected +with write permission turned on. IO priority and permissions can be changed in run-time. POHMELFS is capable of full data channel encryption and/or strong crypto hashing. One can select any kernel supported cipher, encryption mode, hash type and operation mode diff --git a/Documentation/filesystems/pohmelfs/info.txt b/Documentation/filesystems/pohmelfs/info.txt index 4e3d501..db2e413 100644 --- a/Documentation/filesystems/pohmelfs/info.txt +++ b/Documentation/filesystems/pohmelfs/info.txt @@ -1,6 +1,8 @@ POHMELFS usage information. -Mount options: +Mount options. +All but index, number of crypto threads and maximum IO size can changed via remount. + idx=%u Each mountpoint is associated with a special index via this option. Administrator can add or remove servers from the given index, so all mounts, @@ -52,16 +54,27 @@ mcache_timeout=%u Usage examples. -Add (or remove if it already exists) server server1.net:1025 into the working set with index $idx +Add server server1.net:1025 into the working set with index $idx with appropriate hash algorithm and key file and cipher algorithm, mode and key file: -$cfg -a server1.net -p 1025 -i $idx -K $hash_key -k $cipher_key +$cfg A add -a server1.net -p 1025 -i $idx -K $hash_key -k $cipher_key Mount filesystem with given index $idx to /mnt mountpoint. Client will connect to all servers specified in the working set via previous command: mount -t pohmel -o idx=$idx q /mnt -One can add or remove servers from working set after mounting too. +Change permissions to read-only (-I 1 option, '-I 2' - write-only, 3 - rw): +$cfg A modify -a server1.net -p 1025 -i $idx -I 1 + +Change IO priority to 123 (node with the highest priority gets read requests). +$cfg A modify -a server1.net -p 1025 -i $idx -P 123 +One can check currect status of all connections in the mountstats file: +# cat /proc/$PID/mountstats +... +device none mounted on /mnt with fstype pohmel +idx addr(:port) socket_type protocol active priority permissions +0 server1.net:1026 1 6 1 250 1 +0 server2.net:1025 1 6 1 123 3 Server installation. diff --git a/drivers/staging/pohmelfs/config.c b/drivers/staging/pohmelfs/config.c index 3e67da9..a6eaa42 100644 --- a/drivers/staging/pohmelfs/config.c +++ b/drivers/staging/pohmelfs/config.c @@ -81,6 +81,45 @@ static struct pohmelfs_config_group *pohmelfs_find_create_config_group(unsigned return g; } +static inline void pohmelfs_insert_config_entry(struct pohmelfs_sb *psb, struct pohmelfs_config *dst) +{ + struct pohmelfs_config *tmp; + + INIT_LIST_HEAD(&dst->config_entry); + + list_for_each_entry(tmp, &psb->state_list, config_entry) { + if (dst->state.ctl.prio > tmp->state.ctl.prio) + list_add_tail(&dst->config_entry, &tmp->config_entry); + } + if (list_empty(&dst->config_entry)) + list_add_tail(&dst->config_entry, &psb->state_list); +} + +static int pohmelfs_move_config_entry(struct pohmelfs_sb *psb, + struct pohmelfs_config *dst, struct pohmelfs_config *new) +{ + if ((dst->state.ctl.prio == new->state.ctl.prio) && + (dst->state.ctl.perm == new->state.ctl.perm)) + return 0; + + dprintk("%s: dst: prio: %d, perm: %x, new: prio: %d, perm: %d.\n", + __func__, dst->state.ctl.prio, dst->state.ctl.perm, + new->state.ctl.prio, new->state.ctl.perm); + dst->state.ctl.prio = new->state.ctl.prio; + dst->state.ctl.perm = new->state.ctl.perm; + + list_del_init(&dst->config_entry); + pohmelfs_insert_config_entry(psb, dst); + return 0; +} + +/* + * pohmelfs_copy_config() is used to copy new state configs from the + * config group (controlled by the netlink messages) into the superblock. + * This happens either at startup time where no transactions can access + * the list of the configs (and thus list of the network states), or at + * run-time, where it is protected by the psb->state_lock. + */ int pohmelfs_copy_config(struct pohmelfs_sb *psb) { struct pohmelfs_config_group *g; @@ -103,7 +142,9 @@ int pohmelfs_copy_config(struct pohmelfs_sb *psb) err = 0; list_for_each_entry(dst, &psb->state_list, config_entry) { if (pohmelfs_config_eql(&dst->state.ctl, &c->state.ctl)) { - err = -EEXIST; + err = pohmelfs_move_config_entry(psb, dst, c); + if (!err) + err = -EEXIST; break; } } @@ -119,7 +160,7 @@ int pohmelfs_copy_config(struct pohmelfs_sb *psb) memcpy(&dst->state.ctl, &c->state.ctl, sizeof(struct pohmelfs_ctl)); - list_add_tail(&dst->config_entry, &psb->state_list); + pohmelfs_insert_config_entry(psb, dst); err = pohmelfs_state_init_one(psb, dst); if (err) { @@ -248,6 +289,13 @@ out_unlock: return err; } +static int pohmelfs_modify_config(struct pohmelfs_ctl *old, struct pohmelfs_ctl *new) +{ + old->perm = new->perm; + old->prio = new->prio; + return 0; +} + static int pohmelfs_cn_ctl(struct cn_msg *msg, int action) { struct pohmelfs_config_group *g; @@ -278,6 +326,9 @@ static int pohmelfs_cn_ctl(struct cn_msg *msg, int action) g->num_entry--; kfree(c); goto out_unlock; + } else if (action == POHMELFS_FLAGS_MODIFY) { + err = pohmelfs_modify_config(sc, ctl); + goto out_unlock; } else { err = -EEXIST; goto out_unlock; @@ -296,6 +347,7 @@ static int pohmelfs_cn_ctl(struct cn_msg *msg, int action) } memcpy(&c->state.ctl, ctl, sizeof(struct pohmelfs_ctl)); g->num_entry++; + list_add_tail(&c->config_entry, &g->config_list); out_unlock: @@ -401,10 +453,9 @@ static void pohmelfs_cn_callback(void *data) switch (msg->flags) { case POHMELFS_FLAGS_ADD: - err = pohmelfs_cn_ctl(msg, POHMELFS_FLAGS_ADD); - break; case POHMELFS_FLAGS_DEL: - err = pohmelfs_cn_ctl(msg, POHMELFS_FLAGS_DEL); + case POHMELFS_FLAGS_MODIFY: + err = pohmelfs_cn_ctl(msg, msg->flags); break; case POHMELFS_FLAGS_SHOW: err = pohmelfs_cn_disp(msg); diff --git a/drivers/staging/pohmelfs/netfs.h b/drivers/staging/pohmelfs/netfs.h index 7700e2b..c78cfcb 100644 --- a/drivers/staging/pohmelfs/netfs.h +++ b/drivers/staging/pohmelfs/netfs.h @@ -87,6 +87,7 @@ enum { POHMELFS_FLAGS_DEL, /* Network state control message for DEL */ POHMELFS_FLAGS_SHOW, /* Network state control message for SHOW */ POHMELFS_FLAGS_CRYPTO, /* Crypto data control message */ + POHMELFS_FLAGS_MODIFY, /* Network state modification message */ }; /* diff --git a/drivers/staging/pohmelfs/trans.c b/drivers/staging/pohmelfs/trans.c index b89f9f3..168fc89 100644 --- a/drivers/staging/pohmelfs/trans.c +++ b/drivers/staging/pohmelfs/trans.c @@ -456,34 +456,22 @@ int netfs_trans_finish_send(struct netfs_trans *t, struct pohmelfs_sb *psb) __func__, t, t->gen, t->iovec.iov_len, t->page_num, psb->active_state); #endif mutex_lock(&psb->state_lock); - - if ((t->flags & NETFS_TRANS_SINGLE_DST) && psb->active_state) { - st = &psb->active_state->state; - - err = -EPIPE; - if (netfs_state_poll(st) & POLLOUT) { - err = netfs_trans_push_dst(t, st); - if (!err) { - err = netfs_trans_send(t, st); - if (err) { - netfs_trans_drop_last(t, st); - } else { - pohmelfs_switch_active(psb); - goto out; - } - } - } - pohmelfs_switch_active(psb); - } - list_for_each_entry(c, &psb->state_list, config_entry) { st = &c->state; + if (t->flags & NETFS_TRANS_SINGLE_DST) { + if (!(st->ctl.perm & POHMELFS_IO_PERM_READ)) + continue; + } else { + if (!(st->ctl.perm & POHMELFS_IO_PERM_WRITE)) + continue; + } + err = netfs_trans_push(t, st); if (!err && (t->flags & NETFS_TRANS_SINGLE_DST)) break; } -out: + mutex_unlock(&psb->state_lock); #if 0 dprintk("%s: fully sent t: %p, gen: %u, size: %u, page_num: %u, err: %d.\n", -- cgit v0.10.2 From d43f3612818b13f44e12bfc2ad75b4b46628b3da Mon Sep 17 00:00:00 2001 From: Evgeniy Polyakov Date: Fri, 27 Mar 2009 15:04:30 +0300 Subject: Staging: Pohmelfs: Add load balancing between network states with the same priority. Signed-off-by: Evgeniy Polyakov Signed-off-by: Greg Kroah-Hartman diff --git a/drivers/staging/pohmelfs/lock.c b/drivers/staging/pohmelfs/lock.c index ad4a185..22fef18 100644 --- a/drivers/staging/pohmelfs/lock.c +++ b/drivers/staging/pohmelfs/lock.c @@ -41,7 +41,8 @@ static int pohmelfs_send_lock_trans(struct pohmelfs_inode *pi, path_len = err; err = -ENOMEM; - t = netfs_trans_alloc(psb, path_len + sizeof(struct netfs_lock) + isize, 0, 0); + t = netfs_trans_alloc(psb, path_len + sizeof(struct netfs_lock) + isize, + NETFS_TRANS_SINGLE_DST, 0); if (!t) goto err_out_exit; diff --git a/drivers/staging/pohmelfs/trans.c b/drivers/staging/pohmelfs/trans.c index 168fc89..fef5f9b 100644 --- a/drivers/staging/pohmelfs/trans.c +++ b/drivers/staging/pohmelfs/trans.c @@ -467,6 +467,9 @@ int netfs_trans_finish_send(struct netfs_trans *t, struct pohmelfs_sb *psb) continue; } + if (psb->active_state && (psb->active_state->state.ctl.prio >= st->ctl.prio)) + st = &psb->active_state->state; + err = netfs_trans_push(t, st); if (!err && (t->flags & NETFS_TRANS_SINGLE_DST)) break; -- cgit v0.10.2 From 1f895130c0b0dd293b924b1c6cecac90a2e35dc6 Mon Sep 17 00:00:00 2001 From: Mithlesh Thukral Date: Wed, 25 Mar 2009 15:49:58 +0530 Subject: Staging: sxg: Fire watchdog timer at end of open routine to change the link The watchdog timer which updates the link status was not fired at the end of sxg_entry_open(). Add that. Signed-off-by: LinSysSoft Sahara Team Signed-off-by: Mithlesh Thukral Signed-off-by: Greg Kroah-Hartman diff --git a/drivers/staging/sxg/sxg.c b/drivers/staging/sxg/sxg.c index 848d4be..52d2ab9 100644 --- a/drivers/staging/sxg/sxg.c +++ b/drivers/staging/sxg/sxg.c @@ -2254,6 +2254,8 @@ static int sxg_entry_open(struct net_device *dev) DBG_ERROR("sxg: %s EXIT\n", __func__); spin_unlock_irqrestore(&sxg_global.driver_lock, sxg_global.flags); + mod_timer(&adapter->watchdog_timer, jiffies); + return STATUS_SUCCESS; } -- cgit v0.10.2 From 8d17e6ad8113f7534d978b1b3511f62637483fcc Mon Sep 17 00:00:00 2001 From: Mithlesh Thukral Date: Wed, 25 Mar 2009 15:50:34 +0530 Subject: Staging: sxg: Use correct queue_id for transmitting non-TCP packets Use correct queue_id while transmitting non-TCP packets. They should always use queue 0. Signed-off-by: LinSysSoft Sahara Team Signed-off-by: Mithlesh Thukral diff --git a/drivers/staging/sxg/sxg.c b/drivers/staging/sxg/sxg.c index 52d2ab9..d8edf42 100644 --- a/drivers/staging/sxg/sxg.c +++ b/drivers/staging/sxg/sxg.c @@ -2615,7 +2615,9 @@ static int sxg_dumb_sgl(struct sxg_x64_sgl *pSgl, struct iphdr *ip; ip = ip_hdr(skb); - if ((ip->protocol == IPPROTO_TCP)&&(DataLength >= sizeof( + if (ip->protocol != IPPROTO_TCP || !tcp_hdr(skb)) + queue_id = 0; + else if ((ip->protocol == IPPROTO_TCP)&&(DataLength >= sizeof( struct tcphdr))){ queue_id = ((ntohs(tcp_hdr(skb)->dest) == ISCSI_PORT) ? (ntohs (tcp_hdr(skb)->source) & @@ -2624,8 +2626,10 @@ static int sxg_dumb_sgl(struct sxg_x64_sgl *pSgl, SXG_LARGE_SEND_QUEUE_MASK)); } } else if (skb->protocol == htons(ETH_P_IPV6)) { - if ((ipv6_hdr(skb)->nexthdr == IPPROTO_TCP) && (DataLength >= - sizeof(struct tcphdr)) ) { + if (ipv6_hdr(skb)->nexthdr != IPPROTO_TCP || !tcp_hdr(skb)) + queue_id = 0; + else if ((ipv6_hdr(skb)->nexthdr == IPPROTO_TCP) && (DataLength + >= sizeof(struct tcphdr)) ) { queue_id = ((ntohs(tcp_hdr(skb)->dest) == ISCSI_PORT) ? (ntohs (tcp_hdr(skb)->source) & SXG_LARGE_SEND_QUEUE_MASK): -- cgit v0.10.2 From cc4b8dfc3ff32f890cd5de0ce22de44f124d0d05 Mon Sep 17 00:00:00 2001 From: Mithlesh Thukral Date: Wed, 25 Mar 2009 15:51:14 +0530 Subject: Staging: sxg: Fix sleep in atomic context warning while loading driver Leave a spinlock before calling request_irq(). request_irq() calls kmalloc which can sleep. This was generating a warning dump while driver is loaded. Signed-off-by: LinSysSoft Sahara Team Signed-off-by: Mithlesh Thukral Signed-off-by: Greg Kroah-Hartman diff --git a/drivers/staging/sxg/sxg.c b/drivers/staging/sxg/sxg.c index d8edf42..583fbb4 100644 --- a/drivers/staging/sxg/sxg.c +++ b/drivers/staging/sxg/sxg.c @@ -322,6 +322,8 @@ int sxg_add_msi_isr(struct adapter_t *adapter) int ret,i; if (!adapter->intrregistered) { + spin_unlock_irqrestore(&sxg_global.driver_lock, + sxg_global.flags); for (i=0; inr_msix_entries; i++) { ret = request_irq (adapter->msi_entries[i].vector, sxg_isr, @@ -329,6 +331,8 @@ int sxg_add_msi_isr(struct adapter_t *adapter) adapter->netdev->name, adapter->netdev); if (ret) { + spin_lock_irqsave(&sxg_global.driver_lock, + sxg_global.flags); DBG_ERROR("sxg: MSI-X request_irq (%s) " "FAILED [%x]\n", adapter->netdev->name, ret); @@ -336,6 +340,7 @@ int sxg_add_msi_isr(struct adapter_t *adapter) } } } + spin_lock_irqsave(&sxg_global.driver_lock, sxg_global.flags); adapter->msi_enabled = TRUE; adapter->intrregistered = 1; adapter->IntRegistered = TRUE; -- cgit v0.10.2 From b824adc9686fb9a6edca164c13107bfed3e41d4e Mon Sep 17 00:00:00 2001 From: Mithlesh Thukral Date: Wed, 25 Mar 2009 15:51:49 +0530 Subject: Staging: sxg: Fix leaks and checksum errors in transmit code path Fix the transmit function for the following: * Free XmtCmd in the error code path. This use to leak memory in error conditions. * Do pci mapping after the checksum operations are over. They can reallocate the skb at a different location. * Fix UDP checksum errors which were seen in wireshark Signed-off-by: LinSysSoft Sahara Team Signed-off-by: Mithlesh Thukral Signed-off-by: Greg Kroah-Hartman diff --git a/drivers/staging/sxg/sxg.c b/drivers/staging/sxg/sxg.c index 583fbb4..076b3f7 100644 --- a/drivers/staging/sxg/sxg.c +++ b/drivers/staging/sxg/sxg.c @@ -2582,6 +2582,7 @@ static int sxg_dumb_sgl(struct sxg_x64_sgl *pSgl, u64 phys_addr; unsigned long flags; unsigned long queue_id=0; + int offload_cksum = 0; SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "DumbSgl", pSgl, SxgSgl, 0, 0); @@ -2620,9 +2621,11 @@ static int sxg_dumb_sgl(struct sxg_x64_sgl *pSgl, struct iphdr *ip; ip = ip_hdr(skb); - if (ip->protocol != IPPROTO_TCP || !tcp_hdr(skb)) + if (ip->protocol == IPPROTO_TCP) + offload_cksum = 1; + if (!offload_cksum || !tcp_hdr(skb)) queue_id = 0; - else if ((ip->protocol == IPPROTO_TCP)&&(DataLength >= sizeof( + else if (offload_cksum && (DataLength >= sizeof( struct tcphdr))){ queue_id = ((ntohs(tcp_hdr(skb)->dest) == ISCSI_PORT) ? (ntohs (tcp_hdr(skb)->source) & @@ -2631,10 +2634,11 @@ static int sxg_dumb_sgl(struct sxg_x64_sgl *pSgl, SXG_LARGE_SEND_QUEUE_MASK)); } } else if (skb->protocol == htons(ETH_P_IPV6)) { - if (ipv6_hdr(skb)->nexthdr != IPPROTO_TCP || !tcp_hdr(skb)) + if (ipv6_hdr(skb)->nexthdr == IPPROTO_TCP) + offload_cksum = 1; + if (!offload_cksum || !tcp_hdr(skb)) queue_id = 0; - else if ((ipv6_hdr(skb)->nexthdr == IPPROTO_TCP) && (DataLength - >= sizeof(struct tcphdr)) ) { + else if (offload_cksum && (DataLength>=sizeof(struct tcphdr))){ queue_id = ((ntohs(tcp_hdr(skb)->dest) == ISCSI_PORT) ? (ntohs (tcp_hdr(skb)->source) & SXG_LARGE_SEND_QUEUE_MASK): @@ -2663,23 +2667,38 @@ static int sxg_dumb_sgl(struct sxg_x64_sgl *pSgl, } SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "DumbCmd", XmtCmd, XmtRingInfo->Head, XmtRingInfo->Tail, 0); - /* Update stats */ - adapter->stats.tx_packets++; - adapter->stats.tx_bytes += DataLength; -#if XXXTODO /* Stats stuff */ - if (SXG_MULTICAST_PACKET(EtherHdr)) { - if (SXG_BROADCAST_PACKET(EtherHdr)) { - adapter->Stats.DumbXmtBcastPkts++; - adapter->Stats.DumbXmtBcastBytes += DataLength; + memset(XmtCmd, '\0', sizeof(*XmtCmd)); + XmtCmd->SgEntries = 1; + XmtCmd->Flags = 0; + if (skb->ip_summed == CHECKSUM_PARTIAL) { + /* + * We need to set the Checkum in IP header to 0. This is + * required by hardware. + */ + if (offload_cksum) { + ip_hdr(skb)->check = 0x0; + XmtCmd->CsumFlags.Flags |= SXG_SLOWCMD_CSUM_IP; + XmtCmd->CsumFlags.Flags |= SXG_SLOWCMD_CSUM_TCP; + /* + * Dont know if length will require a change in + * case of VLAN + */ + XmtCmd->CsumFlags.MacLen = ETH_HLEN; + XmtCmd->CsumFlags.IpHl = skb_network_header_len(skb) >> + SXG_NW_HDR_LEN_SHIFT; } else { - adapter->Stats.DumbXmtMcastPkts++; - adapter->Stats.DumbXmtMcastBytes += DataLength; + if (skb_checksum_help(skb)){ + printk(KERN_EMERG "Dropped UDP packet for" + " incorrect checksum calculation\n"); + if (XmtCmd) + SXG_ABORT_CMD(XmtRingInfo); + spin_unlock_irqrestore(&adapter->XmtZeroLock, + flags); + return STATUS_SUCCESS; + } } - } else { - adapter->Stats.DumbXmtUcastPkts++; - adapter->Stats.DumbXmtUcastBytes += DataLength; } -#endif + /* * Fill in the command * Copy out the first SGE to the command and adjust for offset @@ -2697,31 +2716,17 @@ static int sxg_dumb_sgl(struct sxg_x64_sgl *pSgl, (SXG_INVALID_SGL(phys_addr,skb->data_len))) { spin_unlock_irqrestore(&adapter->XmtZeroLock, flags); + if (XmtCmd) + SXG_ABORT_CMD(XmtRingInfo); /* Silently drop this packet */ printk(KERN_EMERG"Dropped a packet for 64k boundary problem\n"); return STATUS_SUCCESS; } - memset(XmtCmd, '\0', sizeof(*XmtCmd)); XmtCmd->Buffer.FirstSgeAddress = phys_addr; XmtCmd->Buffer.FirstSgeLength = DataLength; XmtCmd->Buffer.SgeOffset = 0; XmtCmd->Buffer.TotalLength = DataLength; - XmtCmd->SgEntries = 1; - XmtCmd->Flags = 0; - if (skb->ip_summed == CHECKSUM_PARTIAL) { - /* - * We need to set the Checkum in IP header to 0. This is - * required by hardware. - */ - ip_hdr(skb)->check = 0x0; - XmtCmd->CsumFlags.Flags |= SXG_SLOWCMD_CSUM_IP; - XmtCmd->CsumFlags.Flags |= SXG_SLOWCMD_CSUM_TCP; - /* Dont know if length will require a change in case of VLAN */ - XmtCmd->CsumFlags.MacLen = ETH_HLEN; - XmtCmd->CsumFlags.IpHl = skb_network_header_len(skb) >> - SXG_NW_HDR_LEN_SHIFT; - } /* * Advance transmit cmd descripter by 1. * NOTE - See comments in SxgTcpOutput where we write @@ -2733,6 +2738,24 @@ static int sxg_dumb_sgl(struct sxg_x64_sgl *pSgl, ASSERT((queue_id & ~SXG_LARGE_SEND_QUEUE_MASK) == 0); WRITE_REG(adapter->UcodeRegs[0].XmtCmd, ((queue_id << 16) | 1), TRUE); adapter->Stats.XmtQLen++; /* Stats within lock */ + /* Update stats */ + adapter->stats.tx_packets++; + adapter->stats.tx_bytes += DataLength; +#if XXXTODO /* Stats stuff */ + if (SXG_MULTICAST_PACKET(EtherHdr)) { + if (SXG_BROADCAST_PACKET(EtherHdr)) { + adapter->Stats.DumbXmtBcastPkts++; + adapter->Stats.DumbXmtBcastBytes += DataLength; + } else { + adapter->Stats.DumbXmtMcastPkts++; + adapter->Stats.DumbXmtMcastBytes += DataLength; + } + } else { + adapter->Stats.DumbXmtUcastPkts++; + adapter->Stats.DumbXmtUcastBytes += DataLength; + } +#endif + spin_unlock_irqrestore(&adapter->XmtZeroLock, flags); SXG_TRACE(TRACE_SXG, SxgTraceBuffer, TRACE_NOISY, "XDumSgl2", XmtCmd, pSgl, SxgSgl, 0); -- cgit v0.10.2 From 86a79d2e7094589413880eefa5c6111032382584 Mon Sep 17 00:00:00 2001 From: Greg Kroah-Hartman Date: Mon, 13 Apr 2009 13:16:54 -0700 Subject: Staging: go7007: fix build issues Now that TUNER_SET_TYPE_ADDR is gone from the tree, the older code kicks in and tries to use TUNER_SET_TYPE, which went away a long time ago. This patch removes all of this logic, as it should not be needed anymore now, and by doing so, fixes the build. Signed-off-by: Greg Kroah-Hartman diff --git a/drivers/staging/go7007/go7007-driver.c b/drivers/staging/go7007/go7007-driver.c index 58bfc8d..f47c0ce 100644 --- a/drivers/staging/go7007/go7007-driver.c +++ b/drivers/staging/go7007/go7007-driver.c @@ -268,21 +268,6 @@ int go7007_register_encoder(struct go7007 *go) init_i2c_module(&go->i2c_adapter, go->board_info->i2c_devs[i].id, go->board_info->i2c_devs[i].addr); -#ifdef TUNER_SET_TYPE_ADDR - if (go->tuner_type >= 0) { - struct tuner_setup tun_setup = { - .mode_mask = T_ANALOG_TV, - .addr = ADDR_UNSET, - .type = go->tuner_type - }; - i2c_clients_command(&go->i2c_adapter, - TUNER_SET_TYPE_ADDR, &tun_setup); - } -#else - if (go->tuner_type >= 0) - i2c_clients_command(&go->i2c_adapter, - TUNER_SET_TYPE, &go->tuner_type); -#endif if (go->board_id == GO7007_BOARDID_ADLINK_MPG24) i2c_clients_command(&go->i2c_adapter, DECODER_SET_CHANNEL, &go->channel_number); diff --git a/drivers/staging/go7007/wis-sony-tuner.c b/drivers/staging/go7007/wis-sony-tuner.c index 58fddb1..0a7eeef 100644 --- a/drivers/staging/go7007/wis-sony-tuner.c +++ b/drivers/staging/go7007/wis-sony-tuner.c @@ -386,6 +386,7 @@ static int tuner_command(struct i2c_client *client, unsigned int cmd, void *arg) struct wis_sony_tuner *t = i2c_get_clientdata(client); switch (cmd) { +#if 0 #ifdef TUNER_SET_TYPE_ADDR case TUNER_SET_TYPE_ADDR: { @@ -463,6 +464,7 @@ static int tuner_command(struct i2c_client *client, unsigned int cmd, void *arg) t->type, sony_tuners[t->type - 200].name); break; } +#endif case VIDIOC_G_FREQUENCY: { struct v4l2_frequency *f = arg; -- cgit v0.10.2 From 5672487d29bd6a3cb0bff941d4f4535ccacc41ed Mon Sep 17 00:00:00 2001 From: Daniele Napolitano Date: Tue, 14 Apr 2009 16:58:33 -0700 Subject: otus/zdusb.c: additional USB idnetifier Provide support for WN111v2 USB 802.11n adapter. Signed-off-by: Daniele Napolitano Signed-off-by: Andrew Morton Signed-off-by: Greg Kroah-Hartman diff --git a/drivers/staging/otus/zdusb.c b/drivers/staging/otus/zdusb.c index 78f1d22..2a6d937 100644 --- a/drivers/staging/otus/zdusb.c +++ b/drivers/staging/otus/zdusb.c @@ -48,7 +48,8 @@ static const char driver_name[] = "Otus"; static struct usb_device_id zd1221_ids [] = { { USB_DEVICE(VENDOR_ATHR, PRODUCT_AR9170) }, { USB_DEVICE(VENDOR_DLINK, PRODUCT_DWA160A) }, - { USB_DEVICE(0x0846, 0x9010) }, + { USB_DEVICE(VENDOR_NETGEAR, PRODUCT_WNDA3100) }, + { USB_DEVICE(VENDOR_NETGEAR, PRODUCT_WN111v2) }, { } /* Terminating entry */ }; diff --git a/drivers/staging/otus/zdusb.h b/drivers/staging/otus/zdusb.h index 656dc21..9f8ab2e 100644 --- a/drivers/staging/otus/zdusb.h +++ b/drivers/staging/otus/zdusb.h @@ -40,4 +40,8 @@ #define VENDOR_DLINK 0x07D1 //Dlink #define PRODUCT_DWA160A 0x3C10 +#define VENDOR_NETGEAR 0x0846 /* NetGear */ +#define PRODUCT_WNDA3100 0x9010 +#define PRODUCT_WN111v2 0x9001 + #endif -- cgit v0.10.2 From 1a92e82a86556727da1626393f2a6becf7e62f39 Mon Sep 17 00:00:00 2001 From: Stephen Hemminger Date: Wed, 15 Apr 2009 16:52:16 -0700 Subject: staging: slicoss: update README I looked, I gagged, I left Signed-off-by: Stephen Hemminger Signed-off-by: Greg Kroah-Hartman diff --git a/drivers/staging/slicoss/README b/drivers/staging/slicoss/README index 2d5b112..70f49099 100644 --- a/drivers/staging/slicoss/README +++ b/drivers/staging/slicoss/README @@ -10,7 +10,36 @@ TODO: - move firmware loading to request_firmware() - remove direct memory access of structures - any remaining sparse and checkpatch.pl warnings - - any netdev recommended changes + + - use net_device_ops + - use dev->stats rather than adapter->stats + - don't cast netdev_priv it is already void + - use compare_ether_addr + - GET RID OF MACROS + - work on all architectures + - without CONFIG_X86_64 confusion + - do 64 bit correctly + - don't depend on order of union + - get rid of ASSERT(), use BUG() instead but only where necessary + looks like most aren't really useful + - no new SIOCDEVPRIVATE ioctl allowed + - don't use module_param for configuring interrupt mitigation + use ethtool instead + - reorder code to elminate use of forward declarations + - don't keep private linked list of drivers. + - remove all the gratiutous debug infrastructure + - use PCI_DEVICE() + - do ethtool correctly using ethtool_ops + - NAPI? + - wasted overhead of extra stats + - state variables for things that are + easily availble and shouldn't be kept in card structure, cardnum, ... + slotnumber, events, ... + - get rid of slic_spinlock wrapper + - volatile == bad design => bad code + - locking too fine grained, not designed just throw more locks + at problem + Please send patches to: Greg Kroah-Hartman -- cgit v0.10.2