Understanding Linux Network Internals

Functions and Variables Featured in This Part of the Book

Table 17-4 summarizes the main functions, variables, and data structures introduced in Part IV. In the sections "Key Spanning Tree Routines" and "Timers" in Chapter 16, you can find some more.

Table 17-4. Functions, variables, and data structures introduced in Part IV

Name	Description
Functions
br_init br_deinit	Initialize and clean up the kernel bridging module. See the section "Initialization of Bridging Code" in Chapter 16.
br_fdb_init	Initialize the forwarding database.
br_netfilter_init	Initialize the Netfilter hooks used by the bridging code.
br_stp_timer_init br_stp_port_timer_init	Initialize the bridge and bridge port timers.
br_sysfs_addbr br_sysfs_delbr	Handle the extra files in sysfs for bridge devices. See the section "Tuning via /sys Filesystem."
br_sysfs_addif br_sysfs_removeif	Handle the extra files in sysfs for bridge ports. See the section "Tuning via /sys Filesystem."
br_add_bridge br_del_bridge	Create and delete a bridge device. See the section "Creating Bridge Devices and Bridge Ports" in Chapter 16.
br_add_if br_del_if	Create and delete a bridge port. See the section "Creating Bridge Devices and Bridge Ports" in Chapter 16.
br_stp_recalculate_bridge	Given a bridge, select the numerically lowest MAC address among the ones configured on the bridge ports (i.e., enslaved devices) and use it to compute the bridge ID.
br_min_mtu	Given a bridge, find the lowest ...