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[neighbour] Add nstat() function to print out neighbour table

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Signed-off-by: Michael Brown <mcb30@ipxe.org>
This commit is contained in:
Michael Brown
2013-09-25 14:34:00 +01:00
parent cba22d36b7
commit 37ccbd301d
4 changed files with 115 additions and 41 deletions
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42
src/net/neighbour.c
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@@ -23,8 +23,6 @@ FILE_LICENCE ( GPL2_OR_LATER );
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <ipxe/refcnt.h>
#include <ipxe/list.h>
#include <ipxe/iobuf.h>
#include <ipxe/retry.h>
#include <ipxe/timer.h>
@@ -40,33 +38,6 @@ FILE_LICENCE ( GPL2_OR_LATER );
*
*/
/** A neighbour cache entry */
struct neighbour {
/** Reference count */
struct refcnt refcnt;
/** List of neighbour cache entries */
struct list_head list;
/** Network device */
struct net_device *netdev;
/** Network-layer protocol */
struct net_protocol *net_protocol;
/** Network-layer destination address */
uint8_t net_dest[MAX_NET_ADDR_LEN];
/** Link-layer destination address */
uint8_t ll_dest[MAX_LL_ADDR_LEN];
/** Neighbour discovery protocol (if any) */
struct neighbour_discovery *discovery;
/** Network-layer source address (if any) */
uint8_t net_source[MAX_NET_ADDR_LEN];
/** Retransmission timer */
struct retry_timer timer;
/** Pending I/O buffers */
struct list_head tx_queue;
};
/** Neighbour discovery minimum timeout */
#define NEIGHBOUR_MIN_TIMEOUT ( TICKS_PER_SEC / 8 )
@@ -74,7 +45,7 @@ struct neighbour {
#define NEIGHBOUR_MAX_TIMEOUT ( TICKS_PER_SEC * 3 )
/** The neighbour cache */
static LIST_HEAD ( neighbours );
struct list_head neighbours = LIST_HEAD_INIT ( neighbours );
static void neighbour_expired ( struct retry_timer *timer, int over );
@@ -97,17 +68,6 @@ static void neighbour_free ( struct refcnt *refcnt ) {
free ( neighbour );
}
/**
* Test if neighbour cache entry has a valid link-layer address
*
* @v neighbour Neighbour cache entry
* @ret has_ll_dest Neighbour cache entry has a valid link-layer address
*/
static inline __attribute__ (( always_inline )) int
neighbour_has_ll_dest ( struct neighbour *neighbour ) {
return ( ! timer_running ( &neighbour->timer ) );
}
/**
* Create neighbour cache entry
*