diff options
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-class-net-mesh | 8 | ||||
| -rw-r--r-- | Documentation/devicetree/bindings/net/can/fsl-flexcan.txt | 63 | ||||
| -rw-r--r-- | Documentation/devicetree/bindings/net/smsc911x.txt | 38 | ||||
| -rw-r--r-- | Documentation/networking/batman-adv.txt | 8 | ||||
| -rw-r--r-- | Documentation/networking/ip-sysctl.txt | 17 | ||||
| -rw-r--r-- | Documentation/networking/netdevices.txt | 4 | ||||
| -rw-r--r-- | Documentation/networking/stmmac.txt | 33 |
7 files changed, 105 insertions, 66 deletions
diff --git a/Documentation/ABI/testing/sysfs-class-net-mesh b/Documentation/ABI/testing/sysfs-class-net-mesh index 748fe1701d25..b02001488eef 100644 --- a/Documentation/ABI/testing/sysfs-class-net-mesh +++ b/Documentation/ABI/testing/sysfs-class-net-mesh @@ -22,6 +22,14 @@ Description: mesh will be fragmented or silently discarded if the packet size exceeds the outgoing interface MTU. +What: /sys/class/net/<mesh_iface>/mesh/ap_isolation +Date: May 2011 +Contact: Antonio Quartulli <ordex@autistici.org> +Description: + Indicates whether the data traffic going from a + wireless client to another wireless client will be + silently dropped. + What: /sys/class/net/<mesh_iface>/mesh/gw_bandwidth Date: October 2010 Contact: Marek Lindner <lindner_marek@yahoo.de> diff --git a/Documentation/devicetree/bindings/net/can/fsl-flexcan.txt b/Documentation/devicetree/bindings/net/can/fsl-flexcan.txt index 1a729f089866..1ad80d5865a9 100644 --- a/Documentation/devicetree/bindings/net/can/fsl-flexcan.txt +++ b/Documentation/devicetree/bindings/net/can/fsl-flexcan.txt @@ -1,61 +1,24 @@ -CAN Device Tree Bindings ------------------------- -2011 Freescale Semiconductor, Inc. +Flexcan CAN contoller on Freescale's ARM and PowerPC system-on-a-chip (SOC). -fsl,flexcan-v1.0 nodes ------------------------ -In addition to the required compatible-, reg- and interrupt-properties, you can -also specify which clock source shall be used for the controller. +Required properties: -CPI Clock- Can Protocol Interface Clock - This CLK_SRC bit of CTRL(control register) selects the clock source to - the CAN Protocol Interface(CPI) to be either the peripheral clock - (driven by the PLL) or the crystal oscillator clock. The selected clock - is the one fed to the prescaler to generate the Serial Clock (Sclock). - The PRESDIV field of CTRL(control register) controls a prescaler that - generates the Serial Clock (Sclock), whose period defines the - time quantum used to compose the CAN waveform. +- compatible : Should be "fsl,<processor>-flexcan" -Can Engine Clock Source - There are two sources for CAN clock - - Platform Clock It represents the bus clock - - Oscillator Clock + An implementation should also claim any of the following compatibles + that it is fully backwards compatible with: - Peripheral Clock (PLL) - -------------- - | - --------- ------------- - | |CPI Clock | Prescaler | Sclock - | |---------------->| (1.. 256) |------------> - --------- ------------- - | | - -------------- ---------------------CLK_SRC - Oscillator Clock + - fsl,p1010-flexcan -- fsl,flexcan-clock-source : CAN Engine Clock Source.This property selects - the peripheral clock. PLL clock is fed to the - prescaler to generate the Serial Clock (Sclock). - Valid values are "oscillator" and "platform" - "oscillator": CAN engine clock source is oscillator clock. - "platform" The CAN engine clock source is the bus clock - (platform clock). +- reg : Offset and length of the register set for this device +- interrupts : Interrupt tuple for this device +- clock-frequency : The oscillator frequency driving the flexcan device -- fsl,flexcan-clock-divider : for the reference and system clock, an additional - clock divider can be specified. -- clock-frequency: frequency required to calculate the bitrate for FlexCAN. +Example: -Note: - - v1.0 of flexcan-v1.0 represent the IP block version for P1010 SOC. - - P1010 does not have oscillator as the Clock Source.So the default - Clock Source is platform clock. -Examples: - - can0@1c000 { - compatible = "fsl,flexcan-v1.0"; + can@1c000 { + compatible = "fsl,p1010-flexcan"; reg = <0x1c000 0x1000>; interrupts = <48 0x2>; interrupt-parent = <&mpic>; - fsl,flexcan-clock-source = "platform"; - fsl,flexcan-clock-divider = <2>; - clock-frequency = <fixed by u-boot>; + clock-frequency = <200000000>; // filled in by bootloader }; diff --git a/Documentation/devicetree/bindings/net/smsc911x.txt b/Documentation/devicetree/bindings/net/smsc911x.txt new file mode 100644 index 000000000000..adb5b5744ecd --- /dev/null +++ b/Documentation/devicetree/bindings/net/smsc911x.txt @@ -0,0 +1,38 @@ +* Smart Mixed-Signal Connectivity (SMSC) LAN911x/912x Controller + +Required properties: +- compatible : Should be "smsc,lan<model>", "smsc,lan9115" +- reg : Address and length of the io space for SMSC LAN +- interrupts : Should contain SMSC LAN interrupt line +- interrupt-parent : Should be the phandle for the interrupt controller + that services interrupts for this device +- phy-mode : String, operation mode of the PHY interface. + Supported values are: "mii", "gmii", "sgmii", "tbi", "rmii", + "rgmii", "rgmii-id", "rgmii-rxid", "rgmii-txid", "rtbi", "smii". + +Optional properties: +- reg-shift : Specify the quantity to shift the register offsets by +- reg-io-width : Specify the size (in bytes) of the IO accesses that + should be performed on the device. Valid value for SMSC LAN is + 2 or 4. If it's omitted or invalid, the size would be 2. +- smsc,irq-active-high : Indicates the IRQ polarity is active-high +- smsc,irq-push-pull : Indicates the IRQ type is push-pull +- smsc,force-internal-phy : Forces SMSC LAN controller to use + internal PHY +- smsc,force-external-phy : Forces SMSC LAN controller to use + external PHY +- smsc,save-mac-address : Indicates that mac address needs to be saved + before resetting the controller +- local-mac-address : 6 bytes, mac address + +Examples: + +lan9220@f4000000 { + compatible = "smsc,lan9220", "smsc,lan9115"; + reg = <0xf4000000 0x2000000>; + phy-mode = "mii"; + interrupt-parent = <&gpio1>; + interrupts = <31>; + reg-io-width = <4>; + smsc,irq-push-pull; +}; diff --git a/Documentation/networking/batman-adv.txt b/Documentation/networking/batman-adv.txt index 88d4afbdef98..c86d03f18a5b 100644 --- a/Documentation/networking/batman-adv.txt +++ b/Documentation/networking/batman-adv.txt @@ -1,4 +1,4 @@ -[state: 17-04-2011] +[state: 21-08-2011] BATMAN-ADV ---------- @@ -68,9 +68,9 @@ All mesh wide settings can be found in batman's own interface folder: # ls /sys/class/net/bat0/mesh/ -# aggregated_ogms gw_bandwidth hop_penalty -# bonding gw_mode orig_interval -# fragmentation gw_sel_class vis_mode +# aggregated_ogms fragmentation gw_sel_class vis_mode +# ap_isolation gw_bandwidth hop_penalty +# bonding gw_mode orig_interval There is a special folder for debugging information: diff --git a/Documentation/networking/ip-sysctl.txt b/Documentation/networking/ip-sysctl.txt index 81546990f41c..98c8d4229f0a 100644 --- a/Documentation/networking/ip-sysctl.txt +++ b/Documentation/networking/ip-sysctl.txt @@ -1045,6 +1045,11 @@ conf/interface/*: accept_ra - BOOLEAN Accept Router Advertisements; autoconfigure using them. + It also determines whether or not to transmit Router + Solicitations. If and only if the functional setting is to + accept Router Advertisements, Router Solicitations will be + transmitted. + Possible values are: 0 Do not accept Router Advertisements. 1 Accept Router Advertisements if forwarding is disabled. @@ -1115,14 +1120,14 @@ forwarding - BOOLEAN Possible values are: 0 Forwarding disabled 1 Forwarding enabled - 2 Forwarding enabled (Hybrid Mode) FALSE (0): By default, Host behaviour is assumed. This means: 1. IsRouter flag is not set in Neighbour Advertisements. - 2. Router Solicitations are being sent when necessary. + 2. If accept_ra is TRUE (default), transmit Router + Solicitations. 3. If accept_ra is TRUE (default), accept Router Advertisements (and do autoconfiguration). 4. If accept_redirects is TRUE (default), accept Redirects. @@ -1133,16 +1138,10 @@ forwarding - BOOLEAN This means exactly the reverse from the above: 1. IsRouter flag is set in Neighbour Advertisements. - 2. Router Solicitations are not sent. + 2. Router Solicitations are not sent unless accept_ra is 2. 3. Router Advertisements are ignored unless accept_ra is 2. 4. Redirects are ignored. - TRUE (2): - - Hybrid mode. Same behaviour as TRUE, except for: - - 2. Router Solicitations are being sent when necessary. - Default: 0 (disabled) if global forwarding is disabled (default), otherwise 1 (enabled). diff --git a/Documentation/networking/netdevices.txt b/Documentation/networking/netdevices.txt index 87b3d15f523a..89358341682a 100644 --- a/Documentation/networking/netdevices.txt +++ b/Documentation/networking/netdevices.txt @@ -73,7 +73,7 @@ dev->hard_start_xmit: has to lock by itself when needed. It is recommended to use a try lock for this and return NETDEV_TX_LOCKED when the spin lock fails. The locking there should also properly protect against - set_multicast_list. Note that the use of NETIF_F_LLTX is deprecated. + set_rx_mode. Note that the use of NETIF_F_LLTX is deprecated. Don't use it for new drivers. Context: Process with BHs disabled or BH (timer), @@ -92,7 +92,7 @@ dev->tx_timeout: Context: BHs disabled Notes: netif_queue_stopped() is guaranteed true -dev->set_multicast_list: +dev->set_rx_mode: Synchronization: netif_tx_lock spinlock. Context: BHs disabled diff --git a/Documentation/networking/stmmac.txt b/Documentation/networking/stmmac.txt index 57a24108b845..40ec92ce4c84 100644 --- a/Documentation/networking/stmmac.txt +++ b/Documentation/networking/stmmac.txt @@ -235,7 +235,38 @@ reset procedure etc). o enh_desc.c: functions for handling enhanced descriptors o norm_desc.c: functions for handling normal descriptors -5) TODO: +5) Debug Information + +The driver exports many information i.e. internal statistics, +debug information, MAC and DMA registers etc. + +These can be read in several ways depending on the +type of the information actually needed. + +For example a user can be use the ethtool support +to get statistics: e.g. using: ethtool -S ethX +(that shows the Management counters (MMC) if supported) +or sees the MAC/DMA registers: e.g. using: ethtool -d ethX + +Compiling the Kernel with CONFIG_DEBUG_FS and enabling the +STMMAC_DEBUG_FS option the driver will export the following +debugfs entries: + +/sys/kernel/debug/stmmaceth/descriptors_status + To show the DMA TX/RX descriptor rings + +Developer can also use the "debug" module parameter to get +further debug information. + +In the end, there are other macros (that cannot be enabled +via menuconfig) to turn-on the RX/TX DMA debugging, +specific MAC core debug printk etc. Others to enable the +debug in the TX and RX processes. +All these are only useful during the developing stage +and should never enabled inside the code for general usage. +In fact, these can generate an huge amount of debug messages. + +6) TODO: o XGMAC is not supported. o Review the timer optimisation code to use an embedded device that will be available in new chip generations. |