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[NEIGH]: Convert neighbour table modification to new netlink api

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Signed-off-by: Thomas Graf <tgraf@suug.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Thomas Graf 2006-08-07 17:58:53 -07:00 committed by David S. Miller
parent 9067c722cf
commit 6b3f8674bc
1 changed files with 107 additions and 71 deletions
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178
net/core/neighbour.c
View file

@ -1754,28 +1754,61 @@ static inline struct neigh_parms *lookup_neigh_params(struct neigh_table *tbl,
return NULL;
}
static struct nla_policy nl_neightbl_policy[NDTA_MAX+1] __read_mostly = {
[NDTA_NAME] = { .type = NLA_STRING },
[NDTA_THRESH1] = { .type = NLA_U32 },
[NDTA_THRESH2] = { .type = NLA_U32 },
[NDTA_THRESH3] = { .type = NLA_U32 },
[NDTA_GC_INTERVAL] = { .type = NLA_U64 },
[NDTA_PARMS] = { .type = NLA_NESTED },
};
static struct nla_policy nl_ntbl_parm_policy[NDTPA_MAX+1] __read_mostly = {
[NDTPA_IFINDEX] = { .type = NLA_U32 },
[NDTPA_QUEUE_LEN] = { .type = NLA_U32 },
[NDTPA_PROXY_QLEN] = { .type = NLA_U32 },
[NDTPA_APP_PROBES] = { .type = NLA_U32 },
[NDTPA_UCAST_PROBES] = { .type = NLA_U32 },
[NDTPA_MCAST_PROBES] = { .type = NLA_U32 },
[NDTPA_BASE_REACHABLE_TIME] = { .type = NLA_U64 },
[NDTPA_GC_STALETIME] = { .type = NLA_U64 },
[NDTPA_DELAY_PROBE_TIME] = { .type = NLA_U64 },
[NDTPA_RETRANS_TIME] = { .type = NLA_U64 },
[NDTPA_ANYCAST_DELAY] = { .type = NLA_U64 },
[NDTPA_PROXY_DELAY] = { .type = NLA_U64 },
[NDTPA_LOCKTIME] = { .type = NLA_U64 },
};
int neightbl_set(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg)
{
struct neigh_table *tbl;
struct ndtmsg *ndtmsg = NLMSG_DATA(nlh);
struct rtattr **tb = arg;
int err = -EINVAL;
struct ndtmsg *ndtmsg;
struct nlattr *tb[NDTA_MAX+1];
int err;
if (!tb[NDTA_NAME - 1] || !RTA_PAYLOAD(tb[NDTA_NAME - 1]))
return -EINVAL;
err = nlmsg_parse(nlh, sizeof(*ndtmsg), tb, NDTA_MAX,
nl_neightbl_policy);
if (err < 0)
goto errout;
if (tb[NDTA_NAME] == NULL) {
err = -EINVAL;
goto errout;
}
ndtmsg = nlmsg_data(nlh);
read_lock(&neigh_tbl_lock);
for (tbl = neigh_tables; tbl; tbl = tbl->next) {
if (ndtmsg->ndtm_family && tbl->family != ndtmsg->ndtm_family)
continue;
if (!rtattr_strcmp(tb[NDTA_NAME - 1], tbl->id))
if (nla_strcmp(tb[NDTA_NAME], tbl->id) == 0)
break;
}
if (tbl == NULL) {
err = -ENOENT;
goto errout;
goto errout_locked;
}
/*
@ -1784,86 +1817,89 @@ int neightbl_set(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg)
*/
write_lock_bh(&tbl->lock);
if (tb[NDTA_THRESH1 - 1])
tbl->gc_thresh1 = RTA_GET_U32(tb[NDTA_THRESH1 - 1]);
if (tb[NDTA_THRESH2 - 1])
tbl->gc_thresh2 = RTA_GET_U32(tb[NDTA_THRESH2 - 1]);
if (tb[NDTA_THRESH3 - 1])
tbl->gc_thresh3 = RTA_GET_U32(tb[NDTA_THRESH3 - 1]);
if (tb[NDTA_GC_INTERVAL - 1])
tbl->gc_interval = RTA_GET_MSECS(tb[NDTA_GC_INTERVAL - 1]);
if (tb[NDTA_PARMS - 1]) {
struct rtattr *tbp[NDTPA_MAX];
if (tb[NDTA_PARMS]) {
struct nlattr *tbp[NDTPA_MAX+1];
struct neigh_parms *p;
u32 ifindex = 0;
int i, ifindex = 0;
if (rtattr_parse_nested(tbp, NDTPA_MAX, tb[NDTA_PARMS - 1]) < 0)
goto rtattr_failure;
err = nla_parse_nested(tbp, NDTPA_MAX, tb[NDTA_PARMS],
nl_ntbl_parm_policy);
if (err < 0)
goto errout_tbl_lock;
if (tbp[NDTPA_IFINDEX - 1])
ifindex = RTA_GET_U32(tbp[NDTPA_IFINDEX - 1]);
if (tbp[NDTPA_IFINDEX])
ifindex = nla_get_u32(tbp[NDTPA_IFINDEX]);
p = lookup_neigh_params(tbl, ifindex);
if (p == NULL) {
err = -ENOENT;
goto rtattr_failure;
goto errout_tbl_lock;
}
if (tbp[NDTPA_QUEUE_LEN - 1])
p->queue_len = RTA_GET_U32(tbp[NDTPA_QUEUE_LEN - 1]);
if (tbp[NDTPA_PROXY_QLEN - 1])
p->proxy_qlen = RTA_GET_U32(tbp[NDTPA_PROXY_QLEN - 1]);
for (i = 1; i <= NDTPA_MAX; i++) {
if (tbp[i] == NULL)
continue;
if (tbp[NDTPA_APP_PROBES - 1])
p->app_probes = RTA_GET_U32(tbp[NDTPA_APP_PROBES - 1]);
if (tbp[NDTPA_UCAST_PROBES - 1])
p->ucast_probes =
RTA_GET_U32(tbp[NDTPA_UCAST_PROBES - 1]);
if (tbp[NDTPA_MCAST_PROBES - 1])
p->mcast_probes =
RTA_GET_U32(tbp[NDTPA_MCAST_PROBES - 1]);
if (tbp[NDTPA_BASE_REACHABLE_TIME - 1])
p->base_reachable_time =
RTA_GET_MSECS(tbp[NDTPA_BASE_REACHABLE_TIME - 1]);
if (tbp[NDTPA_GC_STALETIME - 1])
p->gc_staletime =
RTA_GET_MSECS(tbp[NDTPA_GC_STALETIME - 1]);
if (tbp[NDTPA_DELAY_PROBE_TIME - 1])
p->delay_probe_time =
RTA_GET_MSECS(tbp[NDTPA_DELAY_PROBE_TIME - 1]);
if (tbp[NDTPA_RETRANS_TIME - 1])
p->retrans_time =
RTA_GET_MSECS(tbp[NDTPA_RETRANS_TIME - 1]);
if (tbp[NDTPA_ANYCAST_DELAY - 1])
p->anycast_delay =
RTA_GET_MSECS(tbp[NDTPA_ANYCAST_DELAY - 1]);
if (tbp[NDTPA_PROXY_DELAY - 1])
p->proxy_delay =
RTA_GET_MSECS(tbp[NDTPA_PROXY_DELAY - 1]);
if (tbp[NDTPA_LOCKTIME - 1])
p->locktime = RTA_GET_MSECS(tbp[NDTPA_LOCKTIME - 1]);
switch (i) {
case NDTPA_QUEUE_LEN:
p->queue_len = nla_get_u32(tbp[i]);
break;
case NDTPA_PROXY_QLEN:
p->proxy_qlen = nla_get_u32(tbp[i]);
break;
case NDTPA_APP_PROBES:
p->app_probes = nla_get_u32(tbp[i]);
break;
case NDTPA_UCAST_PROBES:
p->ucast_probes = nla_get_u32(tbp[i]);
break;
case NDTPA_MCAST_PROBES:
p->mcast_probes = nla_get_u32(tbp[i]);
break;
case NDTPA_BASE_REACHABLE_TIME:
p->base_reachable_time = nla_get_msecs(tbp[i]);
break;
case NDTPA_GC_STALETIME:
p->gc_staletime = nla_get_msecs(tbp[i]);
break;
case NDTPA_DELAY_PROBE_TIME:
p->delay_probe_time = nla_get_msecs(tbp[i]);
break;
case NDTPA_RETRANS_TIME:
p->retrans_time = nla_get_msecs(tbp[i]);
break;
case NDTPA_ANYCAST_DELAY:
p->anycast_delay = nla_get_msecs(tbp[i]);
break;
case NDTPA_PROXY_DELAY:
p->proxy_delay = nla_get_msecs(tbp[i]);
break;
case NDTPA_LOCKTIME:
p->locktime = nla_get_msecs(tbp[i]);
break;
}
}
}
if (tb[NDTA_THRESH1])
tbl->gc_thresh1 = nla_get_u32(tb[NDTA_THRESH1]);
if (tb[NDTA_THRESH2])
tbl->gc_thresh2 = nla_get_u32(tb[NDTA_THRESH2]);
if (tb[NDTA_THRESH3])
tbl->gc_thresh3 = nla_get_u32(tb[NDTA_THRESH3]);
if (tb[NDTA_GC_INTERVAL])
tbl->gc_interval = nla_get_msecs(tb[NDTA_GC_INTERVAL]);
err = 0;
rtattr_failure:
errout_tbl_lock:
write_unlock_bh(&tbl->lock);
errout:
errout_locked:
read_unlock(&neigh_tbl_lock);
errout:
return err;
}