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neigh: convert parms to an array

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This patch converts the neigh param members to an array. This allows easier
manipulation which will be needed later on to provide better management of
default values.

Signed-off-by: Jiri Pirko <jiri@resnulli.us>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jiri Pirko
2013-12-07 19:26:53 +01:00
committed by David S. Miller
parent 65be6291c8
commit 1f9248e560
7 changed files with 238 additions and 257 deletions
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33
net/ipv4/arp.c
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@@ -166,18 +166,20 @@ struct neigh_table arp_tbl = {
.id = "arp_cache",
.parms = {
.tbl = &arp_tbl,
.base_reachable_time = 30 * HZ,
.retrans_time = 1 * HZ,
.gc_staletime = 60 * HZ,
.reachable_time = 30 * HZ,
.delay_probe_time = 5 * HZ,
.queue_len_bytes = 64*1024,
.ucast_probes = 3,
.mcast_probes = 3,
.anycast_delay = 1 * HZ,
.proxy_delay = (8 * HZ) / 10,
.proxy_qlen = 64,
.locktime = 1 * HZ,
.data = {
[NEIGH_VAR_MCAST_PROBES] = 3,
[NEIGH_VAR_UCAST_PROBES] = 3,
[NEIGH_VAR_RETRANS_TIME] = 1 * HZ,
[NEIGH_VAR_BASE_REACHABLE_TIME] = 30 * HZ,
[NEIGH_VAR_DELAY_PROBE_TIME] = 5 * HZ,
[NEIGH_VAR_GC_STALETIME] = 60 * HZ,
[NEIGH_VAR_QUEUE_LEN_BYTES] = 64 * 1024,
[NEIGH_VAR_PROXY_QLEN] = 64,
[NEIGH_VAR_ANYCAST_DELAY] = 1 * HZ,
[NEIGH_VAR_PROXY_DELAY] = (8 * HZ) / 10,
[NEIGH_VAR_LOCKTIME] = 1 * HZ,
},
},
.gc_interval = 30 * HZ,
.gc_thresh1 = 128,
@@ -359,14 +361,14 @@ static void arp_solicit(struct neighbour *neigh, struct sk_buff *skb)
if (!saddr)
saddr = inet_select_addr(dev, target, RT_SCOPE_LINK);
probes -= neigh->parms->ucast_probes;
probes -= NEIGH_VAR(neigh->parms, UCAST_PROBES);
if (probes < 0) {
if (!(neigh->nud_state & NUD_VALID))
pr_debug("trying to ucast probe in NUD_INVALID\n");
neigh_ha_snapshot(dst_ha, neigh, dev);
dst_hw = dst_ha;
} else {
probes -= neigh->parms->app_probes;
probes -= NEIGH_VAR(neigh->parms, APP_PROBES);
if (probes < 0) {
neigh_app_ns(neigh);
return;
@@ -871,7 +873,7 @@ static int arp_process(struct sk_buff *skb)
if (NEIGH_CB(skb)->flags & LOCALLY_ENQUEUED ||
skb->pkt_type == PACKET_HOST ||
in_dev->arp_parms->proxy_delay == 0) {
NEIGH_VAR(in_dev->arp_parms, PROXY_DELAY) == 0) {
arp_send(ARPOP_REPLY, ETH_P_ARP, sip,
dev, tip, sha, dev->dev_addr,
sha);
@@ -910,7 +912,8 @@ static int arp_process(struct sk_buff *skb)
agents are active. Taking the first reply prevents
arp trashing and chooses the fastest router.
*/
override = time_after(jiffies, n->updated + n->parms->locktime);
override = time_after(jiffies, n->updated +
NEIGH_VAR(n->parms, LOCKTIME));
/* Broadcast replies and request packets
do not assert neighbour reachability.