diff options
Diffstat (limited to 'net/sched')
-rw-r--r-- | net/sched/act_api.c | 5 | ||||
-rw-r--r-- | net/sched/act_bpf.c | 5 | ||||
-rw-r--r-- | net/sched/act_tunnel_key.c | 4 | ||||
-rw-r--r-- | net/sched/cls_api.c | 4 | ||||
-rw-r--r-- | net/sched/cls_bpf.c | 4 | ||||
-rw-r--r-- | net/sched/cls_flower.c | 37 | ||||
-rw-r--r-- | net/sched/cls_matchall.c | 127 | ||||
-rw-r--r-- | net/sched/sch_cbq.c | 2 | ||||
-rw-r--r-- | net/sched/sch_fq.c | 14 | ||||
-rw-r--r-- | net/sched/sch_netem.c | 4 |
10 files changed, 89 insertions, 117 deletions
diff --git a/net/sched/act_api.c b/net/sched/act_api.c index 2095c83ce773..e10456ef6f7a 100644 --- a/net/sched/act_api.c +++ b/net/sched/act_api.c @@ -900,8 +900,6 @@ tca_action_gd(struct net *net, struct nlattr *nla, struct nlmsghdr *n, goto err; } act->order = i; - if (event == RTM_GETACTION) - act->tcfa_refcnt++; list_add_tail(&act->list, &actions); } @@ -914,7 +912,8 @@ tca_action_gd(struct net *net, struct nlattr *nla, struct nlmsghdr *n, return ret; } err: - tcf_action_destroy(&actions, 0); + if (event != RTM_GETACTION) + tcf_action_destroy(&actions, 0); return ret; } diff --git a/net/sched/act_bpf.c b/net/sched/act_bpf.c index 1c60317f0121..520baa41cba3 100644 --- a/net/sched/act_bpf.c +++ b/net/sched/act_bpf.c @@ -123,12 +123,11 @@ static int tcf_bpf_dump_ebpf_info(const struct tcf_bpf *prog, nla_put_string(skb, TCA_ACT_BPF_NAME, prog->bpf_name)) return -EMSGSIZE; - nla = nla_reserve(skb, TCA_ACT_BPF_DIGEST, - sizeof(prog->filter->digest)); + nla = nla_reserve(skb, TCA_ACT_BPF_TAG, sizeof(prog->filter->tag)); if (nla == NULL) return -EMSGSIZE; - memcpy(nla_data(nla), prog->filter->digest, nla_len(nla)); + memcpy(nla_data(nla), prog->filter->tag, nla_len(nla)); return 0; } diff --git a/net/sched/act_tunnel_key.c b/net/sched/act_tunnel_key.c index 7af712526f01..e3a58e021198 100644 --- a/net/sched/act_tunnel_key.c +++ b/net/sched/act_tunnel_key.c @@ -134,8 +134,8 @@ static int tunnel_key_init(struct net *net, struct nlattr *nla, saddr = nla_get_in6_addr(tb[TCA_TUNNEL_KEY_ENC_IPV6_SRC]); daddr = nla_get_in6_addr(tb[TCA_TUNNEL_KEY_ENC_IPV6_DST]); - metadata = __ipv6_tun_set_dst(&saddr, &daddr, 0, 0, 0, - dst_port, TUNNEL_KEY, + metadata = __ipv6_tun_set_dst(&saddr, &daddr, 0, 0, dst_port, + 0, TUNNEL_KEY, key_id, 0); } diff --git a/net/sched/cls_api.c b/net/sched/cls_api.c index 3fbba79a4ef0..1ecdf809b5fa 100644 --- a/net/sched/cls_api.c +++ b/net/sched/cls_api.c @@ -148,13 +148,15 @@ static int tc_ctl_tfilter(struct sk_buff *skb, struct nlmsghdr *n) unsigned long cl; unsigned long fh; int err; - int tp_created = 0; + int tp_created; if ((n->nlmsg_type != RTM_GETTFILTER) && !netlink_ns_capable(skb, net->user_ns, CAP_NET_ADMIN)) return -EPERM; replay: + tp_created = 0; + err = nlmsg_parse(n, sizeof(*t), tca, TCA_MAX, NULL); if (err < 0) return err; diff --git a/net/sched/cls_bpf.c b/net/sched/cls_bpf.c index adc776048d1a..d9c97018317d 100644 --- a/net/sched/cls_bpf.c +++ b/net/sched/cls_bpf.c @@ -555,11 +555,11 @@ static int cls_bpf_dump_ebpf_info(const struct cls_bpf_prog *prog, nla_put_string(skb, TCA_BPF_NAME, prog->bpf_name)) return -EMSGSIZE; - nla = nla_reserve(skb, TCA_BPF_DIGEST, sizeof(prog->filter->digest)); + nla = nla_reserve(skb, TCA_BPF_TAG, sizeof(prog->filter->tag)); if (nla == NULL) return -EMSGSIZE; - memcpy(nla_data(nla), prog->filter->digest, nla_len(nla)); + memcpy(nla_data(nla), prog->filter->tag, nla_len(nla)); return 0; } diff --git a/net/sched/cls_flower.c b/net/sched/cls_flower.c index e040c5140f61..5752789acc13 100644 --- a/net/sched/cls_flower.c +++ b/net/sched/cls_flower.c @@ -153,10 +153,14 @@ static int fl_classify(struct sk_buff *skb, const struct tcf_proto *tp, switch (ip_tunnel_info_af(info)) { case AF_INET: + skb_key.enc_control.addr_type = + FLOW_DISSECTOR_KEY_IPV4_ADDRS; skb_key.enc_ipv4.src = key->u.ipv4.src; skb_key.enc_ipv4.dst = key->u.ipv4.dst; break; case AF_INET6: + skb_key.enc_control.addr_type = + FLOW_DISSECTOR_KEY_IPV6_ADDRS; skb_key.enc_ipv6.src = key->u.ipv6.src; skb_key.enc_ipv6.dst = key->u.ipv6.dst; break; @@ -252,7 +256,7 @@ static int fl_hw_replace_filter(struct tcf_proto *tp, offload.cookie = (unsigned long)f; offload.dissector = dissector; offload.mask = mask; - offload.key = &f->key; + offload.key = &f->mkey; offload.exts = &f->exts; tc->type = TC_SETUP_CLSFLOWER; @@ -442,32 +446,32 @@ static void fl_set_key_flag(u32 flower_key, u32 flower_mask, } } -static void fl_set_key_flags(struct nlattr **tb, - u32 *flags_key, u32 *flags_mask) +static int fl_set_key_flags(struct nlattr **tb, + u32 *flags_key, u32 *flags_mask) { u32 key, mask; - if (!tb[TCA_FLOWER_KEY_FLAGS]) - return; + /* mask is mandatory for flags */ + if (!tb[TCA_FLOWER_KEY_FLAGS_MASK]) + return -EINVAL; key = be32_to_cpu(nla_get_u32(tb[TCA_FLOWER_KEY_FLAGS])); - - if (!tb[TCA_FLOWER_KEY_FLAGS_MASK]) - mask = ~0; - else - mask = be32_to_cpu(nla_get_u32(tb[TCA_FLOWER_KEY_FLAGS_MASK])); + mask = be32_to_cpu(nla_get_u32(tb[TCA_FLOWER_KEY_FLAGS_MASK])); *flags_key = 0; *flags_mask = 0; fl_set_key_flag(key, mask, flags_key, flags_mask, TCA_FLOWER_KEY_FLAGS_IS_FRAGMENT, FLOW_DIS_IS_FRAGMENT); + + return 0; } static int fl_set_key(struct net *net, struct nlattr **tb, struct fl_flow_key *key, struct fl_flow_key *mask) { __be16 ethertype; + int ret = 0; #ifdef CONFIG_NET_CLS_IND if (tb[TCA_FLOWER_INDEV]) { int err = tcf_change_indev(net, tb[TCA_FLOWER_INDEV]); @@ -509,6 +513,7 @@ static int fl_set_key(struct net *net, struct nlattr **tb, if (tb[TCA_FLOWER_KEY_IPV4_SRC] || tb[TCA_FLOWER_KEY_IPV4_DST]) { key->control.addr_type = FLOW_DISSECTOR_KEY_IPV4_ADDRS; + mask->control.addr_type = ~0; fl_set_key_val(tb, &key->ipv4.src, TCA_FLOWER_KEY_IPV4_SRC, &mask->ipv4.src, TCA_FLOWER_KEY_IPV4_SRC_MASK, sizeof(key->ipv4.src)); @@ -517,6 +522,7 @@ static int fl_set_key(struct net *net, struct nlattr **tb, sizeof(key->ipv4.dst)); } else if (tb[TCA_FLOWER_KEY_IPV6_SRC] || tb[TCA_FLOWER_KEY_IPV6_DST]) { key->control.addr_type = FLOW_DISSECTOR_KEY_IPV6_ADDRS; + mask->control.addr_type = ~0; fl_set_key_val(tb, &key->ipv6.src, TCA_FLOWER_KEY_IPV6_SRC, &mask->ipv6.src, TCA_FLOWER_KEY_IPV6_SRC_MASK, sizeof(key->ipv6.src)); @@ -562,15 +568,16 @@ static int fl_set_key(struct net *net, struct nlattr **tb, &mask->icmp.type, TCA_FLOWER_KEY_ICMPV6_TYPE_MASK, sizeof(key->icmp.type)); - fl_set_key_val(tb, &key->icmp.code, TCA_FLOWER_KEY_ICMPV4_CODE, + fl_set_key_val(tb, &key->icmp.code, TCA_FLOWER_KEY_ICMPV6_CODE, &mask->icmp.code, - TCA_FLOWER_KEY_ICMPV4_CODE_MASK, + TCA_FLOWER_KEY_ICMPV6_CODE_MASK, sizeof(key->icmp.code)); } if (tb[TCA_FLOWER_KEY_ENC_IPV4_SRC] || tb[TCA_FLOWER_KEY_ENC_IPV4_DST]) { key->enc_control.addr_type = FLOW_DISSECTOR_KEY_IPV4_ADDRS; + mask->enc_control.addr_type = ~0; fl_set_key_val(tb, &key->enc_ipv4.src, TCA_FLOWER_KEY_ENC_IPV4_SRC, &mask->enc_ipv4.src, @@ -586,6 +593,7 @@ static int fl_set_key(struct net *net, struct nlattr **tb, if (tb[TCA_FLOWER_KEY_ENC_IPV6_SRC] || tb[TCA_FLOWER_KEY_ENC_IPV6_DST]) { key->enc_control.addr_type = FLOW_DISSECTOR_KEY_IPV6_ADDRS; + mask->enc_control.addr_type = ~0; fl_set_key_val(tb, &key->enc_ipv6.src, TCA_FLOWER_KEY_ENC_IPV6_SRC, &mask->enc_ipv6.src, @@ -610,9 +618,10 @@ static int fl_set_key(struct net *net, struct nlattr **tb, &mask->enc_tp.dst, TCA_FLOWER_KEY_ENC_UDP_DST_PORT_MASK, sizeof(key->enc_tp.dst)); - fl_set_key_flags(tb, &key->control.flags, &mask->control.flags); + if (tb[TCA_FLOWER_KEY_FLAGS]) + ret = fl_set_key_flags(tb, &key->control.flags, &mask->control.flags); - return 0; + return ret; } static bool fl_mask_eq(struct fl_flow_mask *mask1, diff --git a/net/sched/cls_matchall.c b/net/sched/cls_matchall.c index f935429bd5ef..b12bc2abea93 100644 --- a/net/sched/cls_matchall.c +++ b/net/sched/cls_matchall.c @@ -16,16 +16,11 @@ #include <net/sch_generic.h> #include <net/pkt_cls.h> -struct cls_mall_filter { +struct cls_mall_head { struct tcf_exts exts; struct tcf_result res; u32 handle; - struct rcu_head rcu; u32 flags; -}; - -struct cls_mall_head { - struct cls_mall_filter *filter; struct rcu_head rcu; }; @@ -33,38 +28,29 @@ static int mall_classify(struct sk_buff *skb, const struct tcf_proto *tp, struct tcf_result *res) { struct cls_mall_head *head = rcu_dereference_bh(tp->root); - struct cls_mall_filter *f = head->filter; - if (tc_skip_sw(f->flags)) + if (tc_skip_sw(head->flags)) return -1; - return tcf_exts_exec(skb, &f->exts, res); + return tcf_exts_exec(skb, &head->exts, res); } static int mall_init(struct tcf_proto *tp) { - struct cls_mall_head *head; - - head = kzalloc(sizeof(*head), GFP_KERNEL); - if (!head) - return -ENOBUFS; - - rcu_assign_pointer(tp->root, head); - return 0; } -static void mall_destroy_filter(struct rcu_head *head) +static void mall_destroy_rcu(struct rcu_head *rcu) { - struct cls_mall_filter *f = container_of(head, struct cls_mall_filter, rcu); + struct cls_mall_head *head = container_of(rcu, struct cls_mall_head, + rcu); - tcf_exts_destroy(&f->exts); - - kfree(f); + tcf_exts_destroy(&head->exts); + kfree(head); } static int mall_replace_hw_filter(struct tcf_proto *tp, - struct cls_mall_filter *f, + struct cls_mall_head *head, unsigned long cookie) { struct net_device *dev = tp->q->dev_queue->dev; @@ -74,7 +60,7 @@ static int mall_replace_hw_filter(struct tcf_proto *tp, offload.type = TC_SETUP_MATCHALL; offload.cls_mall = &mall_offload; offload.cls_mall->command = TC_CLSMATCHALL_REPLACE; - offload.cls_mall->exts = &f->exts; + offload.cls_mall->exts = &head->exts; offload.cls_mall->cookie = cookie; return dev->netdev_ops->ndo_setup_tc(dev, tp->q->handle, tp->protocol, @@ -82,7 +68,7 @@ static int mall_replace_hw_filter(struct tcf_proto *tp, } static void mall_destroy_hw_filter(struct tcf_proto *tp, - struct cls_mall_filter *f, + struct cls_mall_head *head, unsigned long cookie) { struct net_device *dev = tp->q->dev_queue->dev; @@ -103,29 +89,20 @@ static bool mall_destroy(struct tcf_proto *tp, bool force) { struct cls_mall_head *head = rtnl_dereference(tp->root); struct net_device *dev = tp->q->dev_queue->dev; - struct cls_mall_filter *f = head->filter; - if (!force && f) - return false; + if (!head) + return true; - if (f) { - if (tc_should_offload(dev, tp, f->flags)) - mall_destroy_hw_filter(tp, f, (unsigned long) f); + if (tc_should_offload(dev, tp, head->flags)) + mall_destroy_hw_filter(tp, head, (unsigned long) head); - call_rcu(&f->rcu, mall_destroy_filter); - } - kfree_rcu(head, rcu); + call_rcu(&head->rcu, mall_destroy_rcu); return true; } static unsigned long mall_get(struct tcf_proto *tp, u32 handle) { - struct cls_mall_head *head = rtnl_dereference(tp->root); - struct cls_mall_filter *f = head->filter; - - if (f && f->handle == handle) - return (unsigned long) f; - return 0; + return 0UL; } static const struct nla_policy mall_policy[TCA_MATCHALL_MAX + 1] = { @@ -134,7 +111,7 @@ static const struct nla_policy mall_policy[TCA_MATCHALL_MAX + 1] = { }; static int mall_set_parms(struct net *net, struct tcf_proto *tp, - struct cls_mall_filter *f, + struct cls_mall_head *head, unsigned long base, struct nlattr **tb, struct nlattr *est, bool ovr) { @@ -147,11 +124,11 @@ static int mall_set_parms(struct net *net, struct tcf_proto *tp, return err; if (tb[TCA_MATCHALL_CLASSID]) { - f->res.classid = nla_get_u32(tb[TCA_MATCHALL_CLASSID]); - tcf_bind_filter(tp, &f->res, base); + head->res.classid = nla_get_u32(tb[TCA_MATCHALL_CLASSID]); + tcf_bind_filter(tp, &head->res, base); } - tcf_exts_change(tp, &f->exts, &e); + tcf_exts_change(tp, &head->exts, &e); return 0; } @@ -162,21 +139,17 @@ static int mall_change(struct net *net, struct sk_buff *in_skb, unsigned long *arg, bool ovr) { struct cls_mall_head *head = rtnl_dereference(tp->root); - struct cls_mall_filter *fold = (struct cls_mall_filter *) *arg; struct net_device *dev = tp->q->dev_queue->dev; - struct cls_mall_filter *f; struct nlattr *tb[TCA_MATCHALL_MAX + 1]; + struct cls_mall_head *new; u32 flags = 0; int err; if (!tca[TCA_OPTIONS]) return -EINVAL; - if (head->filter) - return -EBUSY; - - if (fold) - return -EINVAL; + if (head) + return -EEXIST; err = nla_parse_nested(tb, TCA_MATCHALL_MAX, tca[TCA_OPTIONS], mall_policy); @@ -189,23 +162,23 @@ static int mall_change(struct net *net, struct sk_buff *in_skb, return -EINVAL; } - f = kzalloc(sizeof(*f), GFP_KERNEL); - if (!f) + new = kzalloc(sizeof(*new), GFP_KERNEL); + if (!new) return -ENOBUFS; - tcf_exts_init(&f->exts, TCA_MATCHALL_ACT, 0); + tcf_exts_init(&new->exts, TCA_MATCHALL_ACT, 0); if (!handle) handle = 1; - f->handle = handle; - f->flags = flags; + new->handle = handle; + new->flags = flags; - err = mall_set_parms(net, tp, f, base, tb, tca[TCA_RATE], ovr); + err = mall_set_parms(net, tp, new, base, tb, tca[TCA_RATE], ovr); if (err) goto errout; if (tc_should_offload(dev, tp, flags)) { - err = mall_replace_hw_filter(tp, f, (unsigned long) f); + err = mall_replace_hw_filter(tp, new, (unsigned long) new); if (err) { if (tc_skip_sw(flags)) goto errout; @@ -214,39 +187,29 @@ static int mall_change(struct net *net, struct sk_buff *in_skb, } } - *arg = (unsigned long) f; - rcu_assign_pointer(head->filter, f); - + *arg = (unsigned long) head; + rcu_assign_pointer(tp->root, new); + if (head) + call_rcu(&head->rcu, mall_destroy_rcu); return 0; errout: - kfree(f); + kfree(new); return err; } static int mall_delete(struct tcf_proto *tp, unsigned long arg) { - struct cls_mall_head *head = rtnl_dereference(tp->root); - struct cls_mall_filter *f = (struct cls_mall_filter *) arg; - struct net_device *dev = tp->q->dev_queue->dev; - - if (tc_should_offload(dev, tp, f->flags)) - mall_destroy_hw_filter(tp, f, (unsigned long) f); - - RCU_INIT_POINTER(head->filter, NULL); - tcf_unbind_filter(tp, &f->res); - call_rcu(&f->rcu, mall_destroy_filter); - return 0; + return -EOPNOTSUPP; } static void mall_walk(struct tcf_proto *tp, struct tcf_walker *arg) { struct cls_mall_head *head = rtnl_dereference(tp->root); - struct cls_mall_filter *f = head->filter; if (arg->count < arg->skip) goto skip; - if (arg->fn(tp, (unsigned long) f, arg) < 0) + if (arg->fn(tp, (unsigned long) head, arg) < 0) arg->stop = 1; skip: arg->count++; @@ -255,28 +218,28 @@ skip: static int mall_dump(struct net *net, struct tcf_proto *tp, unsigned long fh, struct sk_buff *skb, struct tcmsg *t) { - struct cls_mall_filter *f = (struct cls_mall_filter *) fh; + struct cls_mall_head *head = (struct cls_mall_head *) fh; struct nlattr *nest; - if (!f) + if (!head) return skb->len; - t->tcm_handle = f->handle; + t->tcm_handle = head->handle; nest = nla_nest_start(skb, TCA_OPTIONS); if (!nest) goto nla_put_failure; - if (f->res.classid && - nla_put_u32(skb, TCA_MATCHALL_CLASSID, f->res.classid)) + if (head->res.classid && + nla_put_u32(skb, TCA_MATCHALL_CLASSID, head->res.classid)) goto nla_put_failure; - if (tcf_exts_dump(skb, &f->exts)) + if (tcf_exts_dump(skb, &head->exts)) goto nla_put_failure; nla_nest_end(skb, nest); - if (tcf_exts_dump_stats(skb, &f->exts) < 0) + if (tcf_exts_dump_stats(skb, &head->exts) < 0) goto nla_put_failure; return skb->len; diff --git a/net/sched/sch_cbq.c b/net/sched/sch_cbq.c index 9ffe1c220b02..f1207582cbf3 100644 --- a/net/sched/sch_cbq.c +++ b/net/sched/sch_cbq.c @@ -509,7 +509,7 @@ static enum hrtimer_restart cbq_undelay(struct hrtimer *timer) if (delay) { ktime_t time; - time = ktime_set(0, 0); + time = 0; time = ktime_add_ns(time, PSCHED_TICKS2NS(now + delay)); hrtimer_start(&q->delay_timer, time, HRTIMER_MODE_ABS_PINNED); } diff --git a/net/sched/sch_fq.c b/net/sched/sch_fq.c index 86309a3156a5..a4f738ac7728 100644 --- a/net/sched/sch_fq.c +++ b/net/sched/sch_fq.c @@ -136,7 +136,7 @@ static void fq_flow_set_throttled(struct fq_sched_data *q, struct fq_flow *f) struct fq_flow *aux; parent = *p; - aux = container_of(parent, struct fq_flow, rate_node); + aux = rb_entry(parent, struct fq_flow, rate_node); if (f->time_next_packet >= aux->time_next_packet) p = &parent->rb_right; else @@ -188,7 +188,7 @@ static void fq_gc(struct fq_sched_data *q, while (*p) { parent = *p; - f = container_of(parent, struct fq_flow, fq_node); + f = rb_entry(parent, struct fq_flow, fq_node); if (f->sk == sk) break; @@ -256,7 +256,7 @@ static struct fq_flow *fq_classify(struct sk_buff *skb, struct fq_sched_data *q) while (*p) { parent = *p; - f = container_of(parent, struct fq_flow, fq_node); + f = rb_entry(parent, struct fq_flow, fq_node); if (f->sk == sk) { /* socket might have been reallocated, so check * if its sk_hash is the same. @@ -424,7 +424,7 @@ static void fq_check_throttled(struct fq_sched_data *q, u64 now) q->time_next_delayed_flow = ~0ULL; while ((p = rb_first(&q->delayed)) != NULL) { - struct fq_flow *f = container_of(p, struct fq_flow, rate_node); + struct fq_flow *f = rb_entry(p, struct fq_flow, rate_node); if (f->time_next_packet > now) { q->time_next_delayed_flow = f->time_next_packet; @@ -563,7 +563,7 @@ static void fq_reset(struct Qdisc *sch) for (idx = 0; idx < (1U << q->fq_trees_log); idx++) { root = &q->fq_root[idx]; while ((p = rb_first(root)) != NULL) { - f = container_of(p, struct fq_flow, fq_node); + f = rb_entry(p, struct fq_flow, fq_node); rb_erase(p, root); fq_flow_purge(f); @@ -593,7 +593,7 @@ static void fq_rehash(struct fq_sched_data *q, oroot = &old_array[idx]; while ((op = rb_first(oroot)) != NULL) { rb_erase(op, oroot); - of = container_of(op, struct fq_flow, fq_node); + of = rb_entry(op, struct fq_flow, fq_node); if (fq_gc_candidate(of)) { fcnt++; kmem_cache_free(fq_flow_cachep, of); @@ -606,7 +606,7 @@ static void fq_rehash(struct fq_sched_data *q, while (*np) { parent = *np; - nf = container_of(parent, struct fq_flow, fq_node); + nf = rb_entry(parent, struct fq_flow, fq_node); BUG_ON(nf->sk == of->sk); if (nf->sk > of->sk) diff --git a/net/sched/sch_netem.c b/net/sched/sch_netem.c index 9f7b380cf0a3..bcfadfdea8e0 100644 --- a/net/sched/sch_netem.c +++ b/net/sched/sch_netem.c @@ -152,7 +152,7 @@ struct netem_skb_cb { static struct sk_buff *netem_rb_to_skb(struct rb_node *rb) { - return container_of(rb, struct sk_buff, rbnode); + return rb_entry(rb, struct sk_buff, rbnode); } static inline struct netem_skb_cb *netem_skb_cb(struct sk_buff *skb) @@ -627,7 +627,7 @@ deliver: * from the network (tstamp will be updated). */ if (G_TC_FROM(skb->tc_verd) & AT_INGRESS) - skb->tstamp.tv64 = 0; + skb->tstamp = 0; #endif if (q->qdisc) { |