net_sched: get rid of more forward declarations
This is not needed if we move them up properly. Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com> Acked-by: Jiri Pirko <jiri@mellanox.com> Acked-by: Jamal Hadi Salim <jhs@mojatatu.com> Signed-off-by: David S. Miller <davem@davemloft.net>hifive-unleashed-5.1
WANG Cong
David S. Miller
parent
7d8697afae
commit
27d7f07c49
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@ -36,13 +36,6 @@
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#include <net/netlink.h>
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#include <net/pkt_sched.h>
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static int qdisc_notify(struct net *net, struct sk_buff *oskb,
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struct nlmsghdr *n, u32 clid,
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struct Qdisc *old, struct Qdisc *new);
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static int tclass_notify(struct net *net, struct sk_buff *oskb,
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struct nlmsghdr *n, struct Qdisc *q,
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unsigned long cl, int event);
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/*
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Short review.
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@ -775,6 +768,111 @@ void qdisc_tree_reduce_backlog(struct Qdisc *sch, unsigned int n,
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}
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EXPORT_SYMBOL(qdisc_tree_reduce_backlog);
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static int tc_fill_qdisc(struct sk_buff *skb, struct Qdisc *q, u32 clid,
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u32 portid, u32 seq, u16 flags, int event)
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{
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struct gnet_stats_basic_cpu __percpu *cpu_bstats = NULL;
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struct gnet_stats_queue __percpu *cpu_qstats = NULL;
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struct tcmsg *tcm;
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struct nlmsghdr *nlh;
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unsigned char *b = skb_tail_pointer(skb);
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struct gnet_dump d;
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struct qdisc_size_table *stab;
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__u32 qlen;
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cond_resched();
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nlh = nlmsg_put(skb, portid, seq, event, sizeof(*tcm), flags);
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if (!nlh)
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goto out_nlmsg_trim;
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tcm = nlmsg_data(nlh);
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tcm->tcm_family = AF_UNSPEC;
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tcm->tcm__pad1 = 0;
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tcm->tcm__pad2 = 0;
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tcm->tcm_ifindex = qdisc_dev(q)->ifindex;
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tcm->tcm_parent = clid;
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tcm->tcm_handle = q->handle;
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tcm->tcm_info = refcount_read(&q->refcnt);
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if (nla_put_string(skb, TCA_KIND, q->ops->id))
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goto nla_put_failure;
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if (q->ops->dump && q->ops->dump(q, skb) < 0)
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goto nla_put_failure;
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qlen = q->q.qlen;
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stab = rtnl_dereference(q->stab);
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if (stab && qdisc_dump_stab(skb, stab) < 0)
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goto nla_put_failure;
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if (gnet_stats_start_copy_compat(skb, TCA_STATS2, TCA_STATS, TCA_XSTATS,
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NULL, &d, TCA_PAD) < 0)
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goto nla_put_failure;
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if (q->ops->dump_stats && q->ops->dump_stats(q, &d) < 0)
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goto nla_put_failure;
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if (qdisc_is_percpu_stats(q)) {
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cpu_bstats = q->cpu_bstats;
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cpu_qstats = q->cpu_qstats;
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}
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if (gnet_stats_copy_basic(qdisc_root_sleeping_running(q),
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&d, cpu_bstats, &q->bstats) < 0 ||
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gnet_stats_copy_rate_est(&d, &q->rate_est) < 0 ||
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gnet_stats_copy_queue(&d, cpu_qstats, &q->qstats, qlen) < 0)
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goto nla_put_failure;
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if (gnet_stats_finish_copy(&d) < 0)
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goto nla_put_failure;
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nlh->nlmsg_len = skb_tail_pointer(skb) - b;
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return skb->len;
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out_nlmsg_trim:
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nla_put_failure:
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nlmsg_trim(skb, b);
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return -1;
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}
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static bool tc_qdisc_dump_ignore(struct Qdisc *q, bool dump_invisible)
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{
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if (q->flags & TCQ_F_BUILTIN)
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return true;
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if ((q->flags & TCQ_F_INVISIBLE) && !dump_invisible)
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return true;
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return false;
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}
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static int qdisc_notify(struct net *net, struct sk_buff *oskb,
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struct nlmsghdr *n, u32 clid,
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struct Qdisc *old, struct Qdisc *new)
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{
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struct sk_buff *skb;
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u32 portid = oskb ? NETLINK_CB(oskb).portid : 0;
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skb = alloc_skb(NLMSG_GOODSIZE, GFP_KERNEL);
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if (!skb)
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return -ENOBUFS;
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if (old && !tc_qdisc_dump_ignore(old, false)) {
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if (tc_fill_qdisc(skb, old, clid, portid, n->nlmsg_seq,
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0, RTM_DELQDISC) < 0)
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goto err_out;
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}
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if (new && !tc_qdisc_dump_ignore(new, false)) {
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if (tc_fill_qdisc(skb, new, clid, portid, n->nlmsg_seq,
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old ? NLM_F_REPLACE : 0, RTM_NEWQDISC) < 0)
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goto err_out;
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}
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if (skb->len)
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return rtnetlink_send(skb, net, portid, RTNLGRP_TC,
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n->nlmsg_flags & NLM_F_ECHO);
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err_out:
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kfree_skb(skb);
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return -EINVAL;
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}
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static void notify_and_destroy(struct net *net, struct sk_buff *skb,
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struct nlmsghdr *n, u32 clid,
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struct Qdisc *old, struct Qdisc *new)
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@ -1342,111 +1440,6 @@ graft:
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return 0;
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}
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static int tc_fill_qdisc(struct sk_buff *skb, struct Qdisc *q, u32 clid,
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u32 portid, u32 seq, u16 flags, int event)
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{
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struct gnet_stats_basic_cpu __percpu *cpu_bstats = NULL;
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struct gnet_stats_queue __percpu *cpu_qstats = NULL;
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struct tcmsg *tcm;
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struct nlmsghdr *nlh;
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unsigned char *b = skb_tail_pointer(skb);
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struct gnet_dump d;
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struct qdisc_size_table *stab;
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__u32 qlen;
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cond_resched();
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nlh = nlmsg_put(skb, portid, seq, event, sizeof(*tcm), flags);
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if (!nlh)
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goto out_nlmsg_trim;
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tcm = nlmsg_data(nlh);
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tcm->tcm_family = AF_UNSPEC;
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tcm->tcm__pad1 = 0;
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tcm->tcm__pad2 = 0;
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tcm->tcm_ifindex = qdisc_dev(q)->ifindex;
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tcm->tcm_parent = clid;
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tcm->tcm_handle = q->handle;
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tcm->tcm_info = refcount_read(&q->refcnt);
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if (nla_put_string(skb, TCA_KIND, q->ops->id))
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goto nla_put_failure;
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if (q->ops->dump && q->ops->dump(q, skb) < 0)
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goto nla_put_failure;
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qlen = q->q.qlen;
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stab = rtnl_dereference(q->stab);
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if (stab && qdisc_dump_stab(skb, stab) < 0)
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goto nla_put_failure;
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if (gnet_stats_start_copy_compat(skb, TCA_STATS2, TCA_STATS, TCA_XSTATS,
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NULL, &d, TCA_PAD) < 0)
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goto nla_put_failure;
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if (q->ops->dump_stats && q->ops->dump_stats(q, &d) < 0)
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goto nla_put_failure;
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if (qdisc_is_percpu_stats(q)) {
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cpu_bstats = q->cpu_bstats;
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cpu_qstats = q->cpu_qstats;
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}
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if (gnet_stats_copy_basic(qdisc_root_sleeping_running(q),
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&d, cpu_bstats, &q->bstats) < 0 ||
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gnet_stats_copy_rate_est(&d, &q->rate_est) < 0 ||
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gnet_stats_copy_queue(&d, cpu_qstats, &q->qstats, qlen) < 0)
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goto nla_put_failure;
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if (gnet_stats_finish_copy(&d) < 0)
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goto nla_put_failure;
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nlh->nlmsg_len = skb_tail_pointer(skb) - b;
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return skb->len;
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out_nlmsg_trim:
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nla_put_failure:
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nlmsg_trim(skb, b);
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return -1;
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}
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static bool tc_qdisc_dump_ignore(struct Qdisc *q, bool dump_invisible)
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{
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if (q->flags & TCQ_F_BUILTIN)
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return true;
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if ((q->flags & TCQ_F_INVISIBLE) && !dump_invisible)
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return true;
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return false;
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}
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static int qdisc_notify(struct net *net, struct sk_buff *oskb,
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struct nlmsghdr *n, u32 clid,
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struct Qdisc *old, struct Qdisc *new)
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{
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struct sk_buff *skb;
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u32 portid = oskb ? NETLINK_CB(oskb).portid : 0;
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skb = alloc_skb(NLMSG_GOODSIZE, GFP_KERNEL);
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if (!skb)
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return -ENOBUFS;
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if (old && !tc_qdisc_dump_ignore(old, false)) {
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if (tc_fill_qdisc(skb, old, clid, portid, n->nlmsg_seq,
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0, RTM_DELQDISC) < 0)
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goto err_out;
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}
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if (new && !tc_qdisc_dump_ignore(new, false)) {
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if (tc_fill_qdisc(skb, new, clid, portid, n->nlmsg_seq,
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old ? NLM_F_REPLACE : 0, RTM_NEWQDISC) < 0)
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goto err_out;
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}
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if (skb->len)
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return rtnetlink_send(skb, net, portid, RTNLGRP_TC,
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n->nlmsg_flags & NLM_F_ECHO);
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err_out:
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kfree_skb(skb);
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return -EINVAL;
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}
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static int tc_dump_qdisc_root(struct Qdisc *root, struct sk_buff *skb,
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struct netlink_callback *cb,
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int *q_idx_p, int s_q_idx, bool recur,
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@ -1559,7 +1552,71 @@ done:
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* Traffic classes manipulation. *
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************************************************/
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static int tc_fill_tclass(struct sk_buff *skb, struct Qdisc *q,
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unsigned long cl,
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u32 portid, u32 seq, u16 flags, int event)
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{
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struct tcmsg *tcm;
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struct nlmsghdr *nlh;
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unsigned char *b = skb_tail_pointer(skb);
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struct gnet_dump d;
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const struct Qdisc_class_ops *cl_ops = q->ops->cl_ops;
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cond_resched();
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nlh = nlmsg_put(skb, portid, seq, event, sizeof(*tcm), flags);
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if (!nlh)
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goto out_nlmsg_trim;
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tcm = nlmsg_data(nlh);
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tcm->tcm_family = AF_UNSPEC;
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tcm->tcm__pad1 = 0;
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tcm->tcm__pad2 = 0;
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tcm->tcm_ifindex = qdisc_dev(q)->ifindex;
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tcm->tcm_parent = q->handle;
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tcm->tcm_handle = q->handle;
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tcm->tcm_info = 0;
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if (nla_put_string(skb, TCA_KIND, q->ops->id))
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goto nla_put_failure;
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if (cl_ops->dump && cl_ops->dump(q, cl, skb, tcm) < 0)
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goto nla_put_failure;
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if (gnet_stats_start_copy_compat(skb, TCA_STATS2, TCA_STATS, TCA_XSTATS,
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NULL, &d, TCA_PAD) < 0)
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goto nla_put_failure;
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if (cl_ops->dump_stats && cl_ops->dump_stats(q, cl, &d) < 0)
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goto nla_put_failure;
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if (gnet_stats_finish_copy(&d) < 0)
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goto nla_put_failure;
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nlh->nlmsg_len = skb_tail_pointer(skb) - b;
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return skb->len;
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out_nlmsg_trim:
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nla_put_failure:
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nlmsg_trim(skb, b);
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return -1;
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}
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static int tclass_notify(struct net *net, struct sk_buff *oskb,
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struct nlmsghdr *n, struct Qdisc *q,
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unsigned long cl, int event)
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{
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struct sk_buff *skb;
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u32 portid = oskb ? NETLINK_CB(oskb).portid : 0;
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skb = alloc_skb(NLMSG_GOODSIZE, GFP_KERNEL);
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if (!skb)
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return -ENOBUFS;
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if (tc_fill_tclass(skb, q, cl, portid, n->nlmsg_seq, 0, event) < 0) {
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kfree_skb(skb);
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return -EINVAL;
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}
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return rtnetlink_send(skb, net, portid, RTNLGRP_TC,
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n->nlmsg_flags & NLM_F_ECHO);
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}
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static int tc_ctl_tclass(struct sk_buff *skb, struct nlmsghdr *n,
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struct netlink_ext_ack *extack)
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@ -1695,73 +1752,6 @@ out:
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return err;
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}
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static int tc_fill_tclass(struct sk_buff *skb, struct Qdisc *q,
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unsigned long cl,
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u32 portid, u32 seq, u16 flags, int event)
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{
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struct tcmsg *tcm;
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struct nlmsghdr *nlh;
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unsigned char *b = skb_tail_pointer(skb);
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struct gnet_dump d;
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const struct Qdisc_class_ops *cl_ops = q->ops->cl_ops;
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cond_resched();
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nlh = nlmsg_put(skb, portid, seq, event, sizeof(*tcm), flags);
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if (!nlh)
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goto out_nlmsg_trim;
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tcm = nlmsg_data(nlh);
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tcm->tcm_family = AF_UNSPEC;
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tcm->tcm__pad1 = 0;
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tcm->tcm__pad2 = 0;
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tcm->tcm_ifindex = qdisc_dev(q)->ifindex;
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tcm->tcm_parent = q->handle;
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tcm->tcm_handle = q->handle;
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tcm->tcm_info = 0;
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if (nla_put_string(skb, TCA_KIND, q->ops->id))
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goto nla_put_failure;
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if (cl_ops->dump && cl_ops->dump(q, cl, skb, tcm) < 0)
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goto nla_put_failure;
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if (gnet_stats_start_copy_compat(skb, TCA_STATS2, TCA_STATS, TCA_XSTATS,
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NULL, &d, TCA_PAD) < 0)
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goto nla_put_failure;
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if (cl_ops->dump_stats && cl_ops->dump_stats(q, cl, &d) < 0)
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goto nla_put_failure;
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if (gnet_stats_finish_copy(&d) < 0)
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goto nla_put_failure;
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nlh->nlmsg_len = skb_tail_pointer(skb) - b;
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return skb->len;
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out_nlmsg_trim:
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nla_put_failure:
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nlmsg_trim(skb, b);
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return -1;
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}
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static int tclass_notify(struct net *net, struct sk_buff *oskb,
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struct nlmsghdr *n, struct Qdisc *q,
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unsigned long cl, int event)
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{
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struct sk_buff *skb;
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u32 portid = oskb ? NETLINK_CB(oskb).portid : 0;
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skb = alloc_skb(NLMSG_GOODSIZE, GFP_KERNEL);
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if (!skb)
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return -ENOBUFS;
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if (tc_fill_tclass(skb, q, cl, portid, n->nlmsg_seq, 0, event) < 0) {
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kfree_skb(skb);
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return -EINVAL;
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}
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return rtnetlink_send(skb, net, portid, RTNLGRP_TC,
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n->nlmsg_flags & NLM_F_ECHO);
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}
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struct qdisc_dump_args {
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struct qdisc_walker w;
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struct sk_buff *skb;
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