neigh: convert parms to an array
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>
diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c
index 3008651..0da0986 100644
--- a/net/ipv6/ndisc.c
+++ b/net/ipv6/ndisc.c
@@ -125,17 +125,19 @@
.id = "ndisc_cache",
.parms = {
.tbl = &nd_tbl,
- .base_reachable_time = ND_REACHABLE_TIME,
- .retrans_time = ND_RETRANS_TIMER,
- .gc_staletime = 60 * HZ,
.reachable_time = ND_REACHABLE_TIME,
- .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,
+ .data = {
+ [NEIGH_VAR_MCAST_PROBES] = 3,
+ [NEIGH_VAR_UCAST_PROBES] = 3,
+ [NEIGH_VAR_RETRANS_TIME] = ND_RETRANS_TIMER,
+ [NEIGH_VAR_BASE_REACHABLE_TIME] = ND_REACHABLE_TIME,
+ [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,
+ },
},
.gc_interval = 30 * HZ,
.gc_thresh1 = 128,
@@ -656,14 +658,14 @@
if (skb && ipv6_chk_addr(dev_net(dev), &ipv6_hdr(skb)->saddr, dev, 1))
saddr = &ipv6_hdr(skb)->saddr;
- if ((probes -= neigh->parms->ucast_probes) < 0) {
+ if ((probes -= NEIGH_VAR(neigh->parms, UCAST_PROBES)) < 0) {
if (!(neigh->nud_state & NUD_VALID)) {
ND_PRINTK(1, dbg,
"%s: trying to ucast probe in NUD_INVALID: %pI6\n",
__func__, target);
}
ndisc_send_ns(dev, neigh, target, target, saddr);
- } else if ((probes -= neigh->parms->app_probes) < 0) {
+ } else if ((probes -= NEIGH_VAR(neigh->parms, APP_PROBES)) < 0) {
neigh_app_ns(neigh);
} else {
addrconf_addr_solict_mult(target, &mcaddr);
@@ -790,7 +792,7 @@
if (!(NEIGH_CB(skb)->flags & LOCALLY_ENQUEUED) &&
skb->pkt_type != PACKET_HOST &&
inc &&
- idev->nd_parms->proxy_delay != 0) {
+ NEIGH_VAR(idev->nd_parms, PROXY_DELAY) != 0) {
/*
* for anycast or proxy,
* sender should delay its response
@@ -1210,7 +1212,7 @@
rtime = (rtime*HZ)/1000;
if (rtime < HZ/10)
rtime = HZ/10;
- in6_dev->nd_parms->retrans_time = rtime;
+ NEIGH_VAR_SET(in6_dev->nd_parms, RETRANS_TIME, rtime);
in6_dev->tstamp = jiffies;
inet6_ifinfo_notify(RTM_NEWLINK, in6_dev);
}
@@ -1222,9 +1224,11 @@
if (rtime < HZ/10)
rtime = HZ/10;
- if (rtime != in6_dev->nd_parms->base_reachable_time) {
- in6_dev->nd_parms->base_reachable_time = rtime;
- in6_dev->nd_parms->gc_staletime = 3 * rtime;
+ if (rtime != NEIGH_VAR(in6_dev->nd_parms, BASE_REACHABLE_TIME)) {
+ NEIGH_VAR_SET(in6_dev->nd_parms,
+ BASE_REACHABLE_TIME, rtime);
+ NEIGH_VAR_SET(in6_dev->nd_parms,
+ GC_STALETIME, 3 * rtime);
in6_dev->nd_parms->reachable_time = neigh_rand_reach_time(rtime);
in6_dev->tstamp = jiffies;
inet6_ifinfo_notify(RTM_NEWLINK, in6_dev);
@@ -1665,8 +1669,9 @@
ret = -1;
if (write && ret == 0 && dev && (idev = in6_dev_get(dev)) != NULL) {
- if (ctl->data == &idev->nd_parms->base_reachable_time)
- idev->nd_parms->reachable_time = neigh_rand_reach_time(idev->nd_parms->base_reachable_time);
+ if (ctl->data == &NEIGH_VAR(idev->nd_parms, BASE_REACHABLE_TIME))
+ idev->nd_parms->reachable_time =
+ neigh_rand_reach_time(NEIGH_VAR(idev->nd_parms, BASE_REACHABLE_TIME));
idev->tstamp = jiffies;
inet6_ifinfo_notify(RTM_NEWLINK, idev);
in6_dev_put(idev);