sr_arpcache Struct Reference

An ARP cache which tracks IP/MAC mappings, as well as outstanding ARP requests. More...

#include <sr_arpcache.h>

Public Attributes
struct sr_arpentry	entries [SR_ARPCACHE_SZ]
	The list of cached IP/MAC mappings. More...
struct sr_arpreq *	requests
	The linked list of outstanding ARP requests. More...
pthread_mutex_t	lock
	A lock to ensure that the cache isn't concurrently modified by multiple threads, you shouldn't need to use this, the starter code handles it for you. More...
pthread_mutexattr_t	attr
	Attributes for the mutex lock, you shouldn't need to use this, the starter code handles it for you. More...

Detailed Description

An ARP cache which tracks IP/MAC mappings, as well as outstanding ARP requests.

Member Data Documentation

attr

pthread_mutexattr_t sr_arpcache::attr

Attributes for the mutex lock, you shouldn't need to use this, the starter code handles it for you.

entries

struct sr_arpentry sr_arpcache::entries[SR_ARPCACHE_SZ]

The list of cached IP/MAC mappings.

lock

pthread_mutex_t sr_arpcache::lock

A lock to ensure that the cache isn't concurrently modified by multiple threads, you shouldn't need to use this, the starter code handles it for you.

requests

struct sr_arpreq* sr_arpcache::requests

The linked list of outstanding ARP requests.

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The documentation for this struct was generated from the following file:

• router/sr_arpcache.h