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Understanding Linux Network Internals
book

Understanding Linux Network Internals

by Christian Benvenuti
December 2005
Intermediate to advanced
1066 pages
33h 38m
English
O'Reilly Media, Inc.
Content preview from Understanding Linux Network Internals

Functions and Variables Featured in This Part of the Book

Table 12-2 summarizes the main functions, variables, and data structures introduced or referenced in the previous three chapters. Additional ones can be found in Table 9-1 in Chapter 9.

Table 12-2. Functions, variables, and data structures related to interrupts and frame handling

Name

Description

Functions

 

netif_rx

Queues an input frame into a CPU's queue. See the section "Old Versus New Driver Interfaces" in Chapter 10.

netif_rx_schedule _ _netif_rx_schedule

Schedules the NET_RX_SOFTIRQ software interrupt for execution. See the section "Old Versus New Driver Interfaces" in Chapter 10.

netif_rx_complete

Called by the net_device->poll virtual function when the latter has cleared the queue.

netif_start_queue netif_stop_queue

Enables and disables transmission on a device, respectively. See the section "Enabling and Disabling Transmissions" in Chapter 11.

netif_queue_stopped

Checks whether a device is enabled for transmission.

netif_schedule [*] netif_wake_queue

netif_schedule schedules a device for transmission. netif_wake_queue enables transmission on a device and schedules the device for transmission. See the section "Scheduling a Device for Transmission" in Chapter 11.

qdisc_run

Dequeues a frame from the egress queue of a device and pushes it down to the device driver for transmission. See the section "Queuing Discipline Interface" in Chapter 11.

process_backlog

poll virtual function ...

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