From add93b610a4e66d36d0cf0b2596c3d3bcfdaee39 Mon Sep 17 00:00:00 2001 From: Patrick McHardy Date: Tue, 22 Jan 2008 22:11:33 -0800 Subject: [NET_SCHED]: Convert classifiers from rtnetlink to new netlink API Signed-off-by: Patrick McHardy Signed-off-by: David S. Miller --- net/sched/cls_api.c | 65 ++++++++++++++++++++++++++++------------------------- 1 file changed, 35 insertions(+), 30 deletions(-) (limited to 'net/sched/cls_api.c') diff --git a/net/sched/cls_api.c b/net/sched/cls_api.c index 9eeb3c6c82f4..87be2b2fc29a 100644 --- a/net/sched/cls_api.c +++ b/net/sched/cls_api.c @@ -38,14 +38,14 @@ static DEFINE_RWLOCK(cls_mod_lock); /* Find classifier type by string name */ -static struct tcf_proto_ops *tcf_proto_lookup_ops(struct rtattr *kind) +static struct tcf_proto_ops *tcf_proto_lookup_ops(struct nlattr *kind) { struct tcf_proto_ops *t = NULL; if (kind) { read_lock(&cls_mod_lock); for (t = tcf_proto_base; t; t = t->next) { - if (rtattr_strcmp(kind, t->kind) == 0) { + if (nla_strcmp(kind, t->kind) == 0) { if (!try_module_get(t->owner)) t = NULL; break; @@ -118,7 +118,7 @@ static inline u32 tcf_auto_prio(struct tcf_proto *tp) static int tc_ctl_tfilter(struct sk_buff *skb, struct nlmsghdr *n, void *arg) { struct net *net = skb->sk->sk_net; - struct rtattr **tca; + struct nlattr *tca[TCA_MAX + 1]; struct tcmsg *t; u32 protocol; u32 prio; @@ -138,7 +138,6 @@ static int tc_ctl_tfilter(struct sk_buff *skb, struct nlmsghdr *n, void *arg) return -EINVAL; replay: - tca = arg; t = NLMSG_DATA(n); protocol = TC_H_MIN(t->tcm_info); prio = TC_H_MAJ(t->tcm_info); @@ -160,6 +159,10 @@ replay: if (dev == NULL) return -ENODEV; + err = nlmsg_parse(n, sizeof(*t), tca, TCA_MAX, NULL); + if (err < 0) + return err; + /* Find qdisc */ if (!parent) { q = dev->qdisc_sleeping; @@ -202,7 +205,7 @@ replay: if (tp == NULL) { /* Proto-tcf does not exist, create new one */ - if (tca[TCA_KIND-1] == NULL || !protocol) + if (tca[TCA_KIND] == NULL || !protocol) goto errout; err = -ENOENT; @@ -217,14 +220,14 @@ replay: if (tp == NULL) goto errout; err = -EINVAL; - tp_ops = tcf_proto_lookup_ops(tca[TCA_KIND-1]); + tp_ops = tcf_proto_lookup_ops(tca[TCA_KIND]); if (tp_ops == NULL) { #ifdef CONFIG_KMOD - struct rtattr *kind = tca[TCA_KIND-1]; + struct nlattr *kind = tca[TCA_KIND]; char name[IFNAMSIZ]; if (kind != NULL && - rtattr_strlcpy(name, kind, IFNAMSIZ) < IFNAMSIZ) { + nla_strlcpy(name, kind, IFNAMSIZ) < IFNAMSIZ) { rtnl_unlock(); request_module("cls_%s", name); rtnl_lock(); @@ -263,7 +266,7 @@ replay: *back = tp; qdisc_unlock_tree(dev); - } else if (tca[TCA_KIND-1] && rtattr_strcmp(tca[TCA_KIND-1], tp->ops->kind)) + } else if (tca[TCA_KIND] && nla_strcmp(tca[TCA_KIND], tp->ops->kind)) goto errout; fh = tp->ops->get(tp, t->tcm_handle); @@ -333,18 +336,18 @@ static int tcf_fill_node(struct sk_buff *skb, struct tcf_proto *tp, tcm->tcm_ifindex = tp->q->dev->ifindex; tcm->tcm_parent = tp->classid; tcm->tcm_info = TC_H_MAKE(tp->prio, tp->protocol); - RTA_PUT(skb, TCA_KIND, IFNAMSIZ, tp->ops->kind); + NLA_PUT(skb, TCA_KIND, IFNAMSIZ, tp->ops->kind); tcm->tcm_handle = fh; if (RTM_DELTFILTER != event) { tcm->tcm_handle = 0; if (tp->ops->dump && tp->ops->dump(tp, fh, skb, tcm) < 0) - goto rtattr_failure; + goto nla_put_failure; } nlh->nlmsg_len = skb_tail_pointer(skb) - b; return skb->len; nlmsg_failure: -rtattr_failure: +nla_put_failure: nlmsg_trim(skb, b); return -1; } @@ -476,8 +479,8 @@ void tcf_exts_destroy(struct tcf_proto *tp, struct tcf_exts *exts) } EXPORT_SYMBOL(tcf_exts_destroy); -int tcf_exts_validate(struct tcf_proto *tp, struct rtattr **tb, - struct rtattr *rate_tlv, struct tcf_exts *exts, +int tcf_exts_validate(struct tcf_proto *tp, struct nlattr **tb, + struct nlattr *rate_tlv, struct tcf_exts *exts, struct tcf_ext_map *map) { memset(exts, 0, sizeof(*exts)); @@ -487,8 +490,9 @@ int tcf_exts_validate(struct tcf_proto *tp, struct rtattr **tb, int err; struct tc_action *act; - if (map->police && tb[map->police-1]) { - act = tcf_action_init_1(tb[map->police-1], rate_tlv, + if (map->police && tb[map->police]) { + act = tcf_action_init_1((struct rtattr *)tb[map->police], + (struct rtattr *)rate_tlv, "police", TCA_ACT_NOREPLACE, TCA_ACT_BIND, &err); if (act == NULL) @@ -496,8 +500,9 @@ int tcf_exts_validate(struct tcf_proto *tp, struct rtattr **tb, act->type = TCA_OLD_COMPAT; exts->action = act; - } else if (map->action && tb[map->action-1]) { - act = tcf_action_init(tb[map->action-1], rate_tlv, NULL, + } else if (map->action && tb[map->action]) { + act = tcf_action_init((struct rtattr *)tb[map->action], + (struct rtattr *)rate_tlv, NULL, TCA_ACT_NOREPLACE, TCA_ACT_BIND, &err); if (act == NULL) return err; @@ -506,8 +511,8 @@ int tcf_exts_validate(struct tcf_proto *tp, struct rtattr **tb, } } #else - if ((map->action && tb[map->action-1]) || - (map->police && tb[map->police-1])) + if ((map->action && tb[map->action]) || + (map->police && tb[map->police])) return -EOPNOTSUPP; #endif @@ -541,23 +546,23 @@ int tcf_exts_dump(struct sk_buff *skb, struct tcf_exts *exts, * to work with both old and new modes of entering * tc data even if iproute2 was newer - jhs */ - struct rtattr *p_rta = (struct rtattr *)skb_tail_pointer(skb); + struct nlattr *p_rta = (struct nlattr *)skb_tail_pointer(skb); if (exts->action->type != TCA_OLD_COMPAT) { - RTA_PUT(skb, map->action, 0, NULL); + NLA_PUT(skb, map->action, 0, NULL); if (tcf_action_dump(skb, exts->action, 0, 0) < 0) - goto rtattr_failure; - p_rta->rta_len = skb_tail_pointer(skb) - (u8 *)p_rta; + goto nla_put_failure; + p_rta->nla_len = skb_tail_pointer(skb) - (u8 *)p_rta; } else if (map->police) { - RTA_PUT(skb, map->police, 0, NULL); + NLA_PUT(skb, map->police, 0, NULL); if (tcf_action_dump_old(skb, exts->action, 0, 0) < 0) - goto rtattr_failure; - p_rta->rta_len = skb_tail_pointer(skb) - (u8 *)p_rta; + goto nla_put_failure; + p_rta->nla_len = skb_tail_pointer(skb) - (u8 *)p_rta; } } #endif return 0; -rtattr_failure: __attribute__ ((unused)) +nla_put_failure: __attribute__ ((unused)) return -1; } EXPORT_SYMBOL(tcf_exts_dump); @@ -569,10 +574,10 @@ int tcf_exts_dump_stats(struct sk_buff *skb, struct tcf_exts *exts, #ifdef CONFIG_NET_CLS_ACT if (exts->action) if (tcf_action_copy_stats(skb, exts->action, 1) < 0) - goto rtattr_failure; + goto nla_put_failure; #endif return 0; -rtattr_failure: __attribute__ ((unused)) +nla_put_failure: __attribute__ ((unused)) return -1; } EXPORT_SYMBOL(tcf_exts_dump_stats); -- cgit v1.2.3