diff options
Diffstat (limited to 'Documentation/networking')
| -rw-r--r-- | Documentation/networking/baycom.txt | 2 | ||||
| -rw-r--r-- | Documentation/networking/bonding.txt | 46 | ||||
| -rw-r--r-- | Documentation/networking/dl2k.txt | 11 | ||||
| -rw-r--r-- | Documentation/networking/driver.txt | 31 | ||||
| -rw-r--r-- | Documentation/networking/e100.txt | 6 | ||||
| -rw-r--r-- | Documentation/networking/ip-sysctl.txt | 11 | ||||
| -rw-r--r-- | Documentation/networking/ipv6.txt | 6 | ||||
| -rw-r--r-- | Documentation/networking/ixgb.txt | 6 | ||||
| -rw-r--r-- | Documentation/networking/ltpc.txt | 2 | ||||
| -rw-r--r-- | Documentation/networking/netdevices.txt | 25 | ||||
| -rw-r--r-- | Documentation/networking/vortex.txt | 6 |
11 files changed, 68 insertions, 84 deletions
diff --git a/Documentation/networking/baycom.txt b/Documentation/networking/baycom.txt index 4e68849d5639..688f18fd4467 100644 --- a/Documentation/networking/baycom.txt +++ b/Documentation/networking/baycom.txt @@ -93,7 +93,7 @@ Every time a driver is inserted into the kernel, it has to know which modems it should access at which ports. This can be done with the setbaycom utility. If you are only using one modem, you can also configure the driver from the insmod command line (or by means of an option line in -/etc/modprobe.conf). +/etc/modprobe.d/*.conf). Examples: modprobe baycom_ser_fdx mode="ser12*" iobase=0x3f8 irq=4 diff --git a/Documentation/networking/bonding.txt b/Documentation/networking/bonding.txt index 080ad26690ae..bfea8a338901 100644 --- a/Documentation/networking/bonding.txt +++ b/Documentation/networking/bonding.txt @@ -173,9 +173,8 @@ bonding module at load time, or are specified via sysfs. Module options may be given as command line arguments to the insmod or modprobe command, but are usually specified in either the -/etc/modules.conf or /etc/modprobe.conf configuration file, or in a -distro-specific configuration file (some of which are detailed in the next -section). +/etc/modrobe.d/*.conf configuration files, or in a distro-specific +configuration file (some of which are detailed in the next section). Details on bonding support for sysfs is provided in the "Configuring Bonding Manually via Sysfs" section, below. @@ -1021,7 +1020,7 @@ ifcfg-bondX files. Because the sysconfig scripts supply the bonding module options in the ifcfg-bondX file, it is not necessary to add them to -the system /etc/modules.conf or /etc/modprobe.conf configuration file. +the system /etc/modules.d/*.conf configuration files. 3.2 Configuration with Initscripts Support ------------------------------------------ @@ -1098,15 +1097,13 @@ queried targets, e.g., arp_ip_target=+192.168.1.1 arp_ip_target=+192.168.1.2 is the proper syntax to specify multiple targets. When specifying -options via BONDING_OPTS, it is not necessary to edit /etc/modules.conf or -/etc/modprobe.conf. +options via BONDING_OPTS, it is not necessary to edit /etc/modprobe.d/*.conf. For even older versions of initscripts that do not support -BONDING_OPTS, it is necessary to edit /etc/modules.conf (or -/etc/modprobe.conf, depending upon your distro) to load the bonding module -with your desired options when the bond0 interface is brought up. The -following lines in /etc/modules.conf (or modprobe.conf) will load the -bonding module, and select its options: +BONDING_OPTS, it is necessary to edit /etc/modprobe.d/*.conf, depending upon +your distro) to load the bonding module with your desired options when the +bond0 interface is brought up. The following lines in /etc/modprobe.d/*.conf +will load the bonding module, and select its options: alias bond0 bonding options bond0 mode=balance-alb miimon=100 @@ -1152,7 +1149,7 @@ knowledge of bonding. One such distro is SuSE Linux Enterprise Server version 8. The general method for these systems is to place the bonding -module parameters into /etc/modules.conf or /etc/modprobe.conf (as +module parameters into a config file in /etc/modprobe.d/ (as appropriate for the installed distro), then add modprobe and/or ifenslave commands to the system's global init script. The name of the global init script differs; for sysconfig, it is @@ -1228,7 +1225,7 @@ network initialization scripts. specify a different name for each instance (the module loading system requires that every loaded module, even multiple instances of the same module, have a unique name). This is accomplished by supplying multiple -sets of bonding options in /etc/modprobe.conf, for example: +sets of bonding options in /etc/modprobe.d/*.conf, for example: alias bond0 bonding options bond0 -o bond0 mode=balance-rr miimon=100 @@ -1793,8 +1790,8 @@ route additions may cause trouble. On systems with network configuration scripts that do not associate physical devices directly with network interface names (so that the same physical device always has the same "ethX" name), it may -be necessary to add some special logic to either /etc/modules.conf or -/etc/modprobe.conf (depending upon which is installed on the system). +be necessary to add some special logic to config files in +/etc/modprobe.d/. For example, given a modules.conf containing the following: @@ -1821,20 +1818,15 @@ add above bonding e1000 tg3 bonding is loaded. This command is fully documented in the modules.conf manual page. - On systems utilizing modprobe.conf (or modprobe.conf.local), -an equivalent problem can occur. In this case, the following can be -added to modprobe.conf (or modprobe.conf.local, as appropriate), as -follows (all on one line; it has been split here for clarity): + On systems utilizing modprobe an equivalent problem can occur. +In this case, the following can be added to config files in +/etc/modprobe.d/ as: -install bonding /sbin/modprobe tg3; /sbin/modprobe e1000; - /sbin/modprobe --ignore-install bonding +softdep bonding pre: tg3 e1000 - This will, when loading the bonding module, rather than -performing the normal action, instead execute the provided command. -This command loads the device drivers in the order needed, then calls -modprobe with --ignore-install to cause the normal action to then take -place. Full documentation on this can be found in the modprobe.conf -and modprobe manual pages. + This will load tg3 and e1000 modules before loading the bonding one. +Full documentation on this can be found in the modprobe.d and modprobe +manual pages. 8.3. Painfully Slow Or No Failed Link Detection By Miimon --------------------------------------------------------- diff --git a/Documentation/networking/dl2k.txt b/Documentation/networking/dl2k.txt index 10e8490fa406..cba74f7a3abc 100644 --- a/Documentation/networking/dl2k.txt +++ b/Documentation/networking/dl2k.txt @@ -45,12 +45,13 @@ Now eth0 should active, you can test it by "ping" or get more information by "ifconfig". If tested ok, continue the next step. 4. cp dl2k.ko /lib/modules/`uname -r`/kernel/drivers/net -5. Add the following line to /etc/modprobe.conf: +5. Add the following line to /etc/modprobe.d/dl2k.conf: alias eth0 dl2k -6. Run "netconfig" or "netconf" to create configuration script ifcfg-eth0 +6. Run depmod to updated module indexes. +7. Run "netconfig" or "netconf" to create configuration script ifcfg-eth0 located at /etc/sysconfig/network-scripts or create it manually. [see - Configuration Script Sample] -7. Driver will automatically load and configure at next boot time. +8. Driver will automatically load and configure at next boot time. Compiling the Driver ==================== @@ -154,8 +155,8 @@ Installing the Driver ----------------- 1. Copy dl2k.o to the network modules directory, typically /lib/modules/2.x.x-xx/net or /lib/modules/2.x.x/kernel/drivers/net. - 2. Locate the boot module configuration file, most commonly modprobe.conf - or modules.conf (for 2.4) in the /etc directory. Add the following lines: + 2. Locate the boot module configuration file, most commonly in the + /etc/modprobe.d/ directory. Add the following lines: alias ethx dl2k options dl2k <optional parameters> diff --git a/Documentation/networking/driver.txt b/Documentation/networking/driver.txt index 03283daa64fe..da59e2884130 100644 --- a/Documentation/networking/driver.txt +++ b/Documentation/networking/driver.txt @@ -2,16 +2,16 @@ Document about softnet driver issues Transmit path guidelines: -1) The hard_start_xmit method must never return '1' under any - normal circumstances. It is considered a hard error unless +1) The ndo_start_xmit method must not return NETDEV_TX_BUSY under + any normal circumstances. It is considered a hard error unless there is no way your device can tell ahead of time when it's transmit function will become busy. Instead it must maintain the queue properly. For example, for a driver implementing scatter-gather this means: - static int drv_hard_start_xmit(struct sk_buff *skb, - struct net_device *dev) + static netdev_tx_t drv_hard_start_xmit(struct sk_buff *skb, + struct net_device *dev) { struct drv *dp = netdev_priv(dev); @@ -23,7 +23,7 @@ Transmit path guidelines: unlock_tx(dp); printk(KERN_ERR PFX "%s: BUG! Tx Ring full when queue awake!\n", dev->name); - return 1; + return NETDEV_TX_BUSY; } ... queue packet to card ... @@ -35,6 +35,7 @@ Transmit path guidelines: ... unlock_tx(dp); ... + return NETDEV_TX_OK; } And then at the end of your TX reclamation event handling: @@ -58,15 +59,12 @@ Transmit path guidelines: TX_BUFFS_AVAIL(dp) > 0) netif_wake_queue(dp->dev); -2) Do not forget to update netdev->trans_start to jiffies after - each new tx packet is given to the hardware. - -3) A hard_start_xmit method must not modify the shared parts of a +2) An ndo_start_xmit method must not modify the shared parts of a cloned SKB. -4) Do not forget that once you return 0 from your hard_start_xmit - method, it is your driver's responsibility to free up the SKB - and in some finite amount of time. +3) Do not forget that once you return NETDEV_TX_OK from your + ndo_start_xmit method, it is your driver's responsibility to free + up the SKB and in some finite amount of time. For example, this means that it is not allowed for your TX mitigation scheme to let TX packets "hang out" in the TX @@ -74,8 +72,9 @@ Transmit path guidelines: This error can deadlock sockets waiting for send buffer room to be freed up. - If you return 1 from the hard_start_xmit method, you must not keep - any reference to that SKB and you must not attempt to free it up. + If you return NETDEV_TX_BUSY from the ndo_start_xmit method, you + must not keep any reference to that SKB and you must not attempt + to free it up. Probing guidelines: @@ -85,10 +84,10 @@ Probing guidelines: Close/stop guidelines: -1) After the dev->stop routine has been called, the hardware must +1) After the ndo_stop routine has been called, the hardware must not receive or transmit any data. All in flight packets must be aborted. If necessary, poll or wait for completion of any reset commands. -2) The dev->stop routine will be called by unregister_netdevice +2) The ndo_stop routine will be called by unregister_netdevice if device is still UP. diff --git a/Documentation/networking/e100.txt b/Documentation/networking/e100.txt index 162f323a7a1f..fcb6c71cdb69 100644 --- a/Documentation/networking/e100.txt +++ b/Documentation/networking/e100.txt @@ -94,8 +94,8 @@ Additional Configurations Configuring a network driver to load properly when the system is started is distribution dependent. Typically, the configuration process involves adding - an alias line to /etc/modules.conf or /etc/modprobe.conf as well as editing - other system startup scripts and/or configuration files. Many popular Linux + an alias line to /etc/modprobe.d/*.conf as well as editing other system + startup scripts and/or configuration files. Many popular Linux distributions ship with tools to make these changes for you. To learn the proper way to configure a network device for your system, refer to your distribution documentation. If during this process you are asked for the @@ -103,7 +103,7 @@ Additional Configurations PRO/100 Family of Adapters is e100. As an example, if you install the e100 driver for two PRO/100 adapters - (eth0 and eth1), add the following to modules.conf or modprobe.conf: + (eth0 and eth1), add the following to a configuraton file in /etc/modprobe.d/ alias eth0 e100 alias eth1 e100 diff --git a/Documentation/networking/ip-sysctl.txt b/Documentation/networking/ip-sysctl.txt index ad3e80e17b4f..bd80ba5847d2 100644 --- a/Documentation/networking/ip-sysctl.txt +++ b/Documentation/networking/ip-sysctl.txt @@ -604,15 +604,8 @@ IP Variables: ip_local_port_range - 2 INTEGERS Defines the local port range that is used by TCP and UDP to choose the local port. The first number is the first, the - second the last local port number. Default value depends on - amount of memory available on the system: - > 128Mb 32768-61000 - < 128Mb 1024-4999 or even less. - This number defines number of active connections, which this - system can issue simultaneously to systems not supporting - TCP extensions (timestamps). With tcp_tw_recycle enabled - (i.e. by default) range 1024-4999 is enough to issue up to - 2000 connections per second to systems supporting timestamps. + second the last local port number. The default values are + 32768 and 61000 respectively. ip_local_reserved_ports - list of comma separated ranges Specify the ports which are reserved for known third-party diff --git a/Documentation/networking/ipv6.txt b/Documentation/networking/ipv6.txt index 9fd7e21296c8..6cd74fa55358 100644 --- a/Documentation/networking/ipv6.txt +++ b/Documentation/networking/ipv6.txt @@ -2,9 +2,9 @@ Options for the ipv6 module are supplied as parameters at load time. Module options may be given as command line arguments to the insmod -or modprobe command, but are usually specified in either the -/etc/modules.conf or /etc/modprobe.conf configuration file, or in a -distro-specific configuration file. +or modprobe command, but are usually specified in either +/etc/modules.d/*.conf configuration files, or in a distro-specific +configuration file. The available ipv6 module parameters are listed below. If a parameter is not specified the default value is used. diff --git a/Documentation/networking/ixgb.txt b/Documentation/networking/ixgb.txt index e196f16df313..d75a1f9565bb 100644 --- a/Documentation/networking/ixgb.txt +++ b/Documentation/networking/ixgb.txt @@ -274,9 +274,9 @@ Additional Configurations ------------------------------------------------- Configuring a network driver to load properly when the system is started is distribution dependent. Typically, the configuration process involves adding - an alias line to /etc/modprobe.conf as well as editing other system startup - scripts and/or configuration files. Many popular Linux distributions ship - with tools to make these changes for you. To learn the proper way to + an alias line to files in /etc/modprobe.d/ as well as editing other system + startup scripts and/or configuration files. Many popular Linux distributions + ship with tools to make these changes for you. To learn the proper way to configure a network device for your system, refer to your distribution documentation. If during this process you are asked for the driver or module name, the name for the Linux Base Driver for the Intel 10GbE Family of diff --git a/Documentation/networking/ltpc.txt b/Documentation/networking/ltpc.txt index fe2a9129d959..0bf3220c715b 100644 --- a/Documentation/networking/ltpc.txt +++ b/Documentation/networking/ltpc.txt @@ -25,7 +25,7 @@ the driver will try to determine them itself. If you load the driver as a module, you can pass the parameters "io=", "irq=", and "dma=" on the command line with insmod or modprobe, or add -them as options in /etc/modprobe.conf: +them as options in a configuration file in /etc/modprobe.d/ directory: alias lt0 ltpc # autoload the module when the interface is configured options ltpc io=0x240 irq=9 dma=1 diff --git a/Documentation/networking/netdevices.txt b/Documentation/networking/netdevices.txt index 89358341682a..c7ecc7080494 100644 --- a/Documentation/networking/netdevices.txt +++ b/Documentation/networking/netdevices.txt @@ -47,26 +47,25 @@ packets is preferred. struct net_device synchronization rules ======================================= -dev->open: +ndo_open: Synchronization: rtnl_lock() semaphore. Context: process -dev->stop: +ndo_stop: Synchronization: rtnl_lock() semaphore. Context: process - Note1: netif_running() is guaranteed false - Note2: dev->poll() is guaranteed to be stopped + Note: netif_running() is guaranteed false -dev->do_ioctl: +ndo_do_ioctl: Synchronization: rtnl_lock() semaphore. Context: process -dev->get_stats: +ndo_get_stats: Synchronization: dev_base_lock rwlock. Context: nominally process, but don't sleep inside an rwlock -dev->hard_start_xmit: - Synchronization: netif_tx_lock spinlock. +ndo_start_xmit: + Synchronization: __netif_tx_lock spinlock. When the driver sets NETIF_F_LLTX in dev->features this will be called without holding netif_tx_lock. In this case the driver @@ -87,20 +86,20 @@ dev->hard_start_xmit: o NETDEV_TX_LOCKED Locking failed, please retry quickly. Only valid when NETIF_F_LLTX is set. -dev->tx_timeout: - Synchronization: netif_tx_lock spinlock. +ndo_tx_timeout: + Synchronization: netif_tx_lock spinlock; all TX queues frozen. Context: BHs disabled Notes: netif_queue_stopped() is guaranteed true -dev->set_rx_mode: - Synchronization: netif_tx_lock spinlock. +ndo_set_rx_mode: + Synchronization: netif_addr_lock spinlock. Context: BHs disabled struct napi_struct synchronization rules ======================================== napi->poll: Synchronization: NAPI_STATE_SCHED bit in napi->state. Device - driver's dev->close method will invoke napi_disable() on + driver's ndo_stop method will invoke napi_disable() on all NAPI instances which will do a sleeping poll on the NAPI_STATE_SCHED napi->state bit, waiting for all pending NAPI activity to cease. diff --git a/Documentation/networking/vortex.txt b/Documentation/networking/vortex.txt index bd70976b8160..b4038ffb3bc5 100644 --- a/Documentation/networking/vortex.txt +++ b/Documentation/networking/vortex.txt @@ -67,8 +67,8 @@ Module parameters ================= There are several parameters which may be provided to the driver when -its module is loaded. These are usually placed in /etc/modprobe.conf -(/etc/modules.conf in 2.4). Example: +its module is loaded. These are usually placed in /etc/modprobe.d/*.conf +configuretion files. Example: options 3c59x debug=3 rx_copybreak=300 @@ -425,7 +425,7 @@ steps you should take: 1) Increase the debug level. Usually this is done via: a) modprobe driver debug=7 - b) In /etc/modprobe.conf (or /etc/modules.conf for 2.4): + b) In /etc/modprobe.d/driver.conf: options driver debug=7 2) Recreate the problem with the higher debug level, |