diff --git a/include/net/act_api.h b/include/net/act_api.h index c94ea1a306e0..2a6f443f0ef6 100644 --- a/include/net/act_api.h +++ b/include/net/act_api.h @@ -101,11 +101,6 @@ static inline enum flow_action_hw_stats tc_act_hw_stats(u8 hw_stats) return hw_stats; } -#ifdef CONFIG_NET_CLS_ACT - -#define ACT_P_CREATED 1 -#define ACT_P_DELETED 1 - typedef void (*tc_action_priv_destructor)(void *priv); struct tc_action_ops { @@ -140,6 +135,11 @@ struct tc_action_ops { struct netlink_ext_ack *extack); }; +#ifdef CONFIG_NET_CLS_ACT + +#define ACT_P_CREATED 1 +#define ACT_P_DELETED 1 + struct tc_action_net { struct tcf_idrinfo *idrinfo; const struct tc_action_ops *ops; diff --git a/include/net/tc_wrapper.h b/include/net/tc_wrapper.h new file mode 100644 index 000000000000..ceed2fc089ff --- /dev/null +++ b/include/net/tc_wrapper.h @@ -0,0 +1,251 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef __NET_TC_WRAPPER_H +#define __NET_TC_WRAPPER_H + +#include + +#if IS_ENABLED(CONFIG_RETPOLINE) + +#include +#include +#include + +#define TC_INDIRECT_SCOPE + +extern struct static_key_false tc_skip_wrapper; + +/* TC Actions */ +#ifdef CONFIG_NET_CLS_ACT + +#define TC_INDIRECT_ACTION_DECLARE(fname) \ + INDIRECT_CALLABLE_DECLARE(int fname(struct sk_buff *skb, \ + const struct tc_action *a, \ + struct tcf_result *res)) + +TC_INDIRECT_ACTION_DECLARE(tcf_bpf_act); +TC_INDIRECT_ACTION_DECLARE(tcf_connmark_act); +TC_INDIRECT_ACTION_DECLARE(tcf_csum_act); +TC_INDIRECT_ACTION_DECLARE(tcf_ct_act); +TC_INDIRECT_ACTION_DECLARE(tcf_ctinfo_act); +TC_INDIRECT_ACTION_DECLARE(tcf_gact_act); +TC_INDIRECT_ACTION_DECLARE(tcf_gate_act); +TC_INDIRECT_ACTION_DECLARE(tcf_ife_act); +TC_INDIRECT_ACTION_DECLARE(tcf_ipt_act); +TC_INDIRECT_ACTION_DECLARE(tcf_mirred_act); +TC_INDIRECT_ACTION_DECLARE(tcf_mpls_act); +TC_INDIRECT_ACTION_DECLARE(tcf_nat_act); +TC_INDIRECT_ACTION_DECLARE(tcf_pedit_act); +TC_INDIRECT_ACTION_DECLARE(tcf_police_act); +TC_INDIRECT_ACTION_DECLARE(tcf_sample_act); +TC_INDIRECT_ACTION_DECLARE(tcf_simp_act); +TC_INDIRECT_ACTION_DECLARE(tcf_skbedit_act); +TC_INDIRECT_ACTION_DECLARE(tcf_skbmod_act); +TC_INDIRECT_ACTION_DECLARE(tcf_vlan_act); +TC_INDIRECT_ACTION_DECLARE(tunnel_key_act); + +static inline int tc_act(struct sk_buff *skb, const struct tc_action *a, + struct tcf_result *res) +{ + if (static_branch_likely(&tc_skip_wrapper)) + goto skip; + +#if IS_BUILTIN(CONFIG_NET_ACT_GACT) + if (a->ops->act == tcf_gact_act) + return tcf_gact_act(skb, a, res); +#endif +#if IS_BUILTIN(CONFIG_NET_ACT_MIRRED) + if (a->ops->act == tcf_mirred_act) + return tcf_mirred_act(skb, a, res); +#endif +#if IS_BUILTIN(CONFIG_NET_ACT_PEDIT) + if (a->ops->act == tcf_pedit_act) + return tcf_pedit_act(skb, a, res); +#endif +#if IS_BUILTIN(CONFIG_NET_ACT_SKBEDIT) + if (a->ops->act == tcf_skbedit_act) + return tcf_skbedit_act(skb, a, res); +#endif +#if IS_BUILTIN(CONFIG_NET_ACT_SKBMOD) + if (a->ops->act == tcf_skbmod_act) + return tcf_skbmod_act(skb, a, res); +#endif +#if IS_BUILTIN(CONFIG_NET_ACT_POLICE) + if (a->ops->act == tcf_police_act) + return tcf_police_act(skb, a, res); +#endif +#if IS_BUILTIN(CONFIG_NET_ACT_BPF) + if (a->ops->act == tcf_bpf_act) + return tcf_bpf_act(skb, a, res); +#endif +#if IS_BUILTIN(CONFIG_NET_ACT_CONNMARK) + if (a->ops->act == tcf_connmark_act) + return tcf_connmark_act(skb, a, res); +#endif +#if IS_BUILTIN(CONFIG_NET_ACT_CSUM) + if (a->ops->act == tcf_csum_act) + return tcf_csum_act(skb, a, res); +#endif +#if IS_BUILTIN(CONFIG_NET_ACT_CT) + if (a->ops->act == tcf_ct_act) + return tcf_ct_act(skb, a, res); +#endif +#if IS_BUILTIN(CONFIG_NET_ACT_CTINFO) + if (a->ops->act == tcf_ctinfo_act) + return tcf_ctinfo_act(skb, a, res); +#endif +#if IS_BUILTIN(CONFIG_NET_ACT_GATE) + if (a->ops->act == tcf_gate_act) + return tcf_gate_act(skb, a, res); +#endif +#if IS_BUILTIN(CONFIG_NET_ACT_MPLS) + if (a->ops->act == tcf_mpls_act) + return tcf_mpls_act(skb, a, res); +#endif +#if IS_BUILTIN(CONFIG_NET_ACT_NAT) + if (a->ops->act == tcf_nat_act) + return tcf_nat_act(skb, a, res); +#endif +#if IS_BUILTIN(CONFIG_NET_ACT_TUNNEL_KEY) + if (a->ops->act == tunnel_key_act) + return tunnel_key_act(skb, a, res); +#endif +#if IS_BUILTIN(CONFIG_NET_ACT_VLAN) + if (a->ops->act == tcf_vlan_act) + return tcf_vlan_act(skb, a, res); +#endif +#if IS_BUILTIN(CONFIG_NET_ACT_IFE) + if (a->ops->act == tcf_ife_act) + return tcf_ife_act(skb, a, res); +#endif +#if IS_BUILTIN(CONFIG_NET_ACT_IPT) + if (a->ops->act == tcf_ipt_act) + return tcf_ipt_act(skb, a, res); +#endif +#if IS_BUILTIN(CONFIG_NET_ACT_SIMP) + if (a->ops->act == tcf_simp_act) + return tcf_simp_act(skb, a, res); +#endif +#if IS_BUILTIN(CONFIG_NET_ACT_SAMPLE) + if (a->ops->act == tcf_sample_act) + return tcf_sample_act(skb, a, res); +#endif + +skip: + return a->ops->act(skb, a, res); +} + +#endif /* CONFIG_NET_CLS_ACT */ + +/* TC Filters */ +#ifdef CONFIG_NET_CLS + +#define TC_INDIRECT_FILTER_DECLARE(fname) \ + INDIRECT_CALLABLE_DECLARE(int fname(struct sk_buff *skb, \ + const struct tcf_proto *tp, \ + struct tcf_result *res)) + +TC_INDIRECT_FILTER_DECLARE(basic_classify); +TC_INDIRECT_FILTER_DECLARE(cls_bpf_classify); +TC_INDIRECT_FILTER_DECLARE(cls_cgroup_classify); +TC_INDIRECT_FILTER_DECLARE(fl_classify); +TC_INDIRECT_FILTER_DECLARE(flow_classify); +TC_INDIRECT_FILTER_DECLARE(fw_classify); +TC_INDIRECT_FILTER_DECLARE(mall_classify); +TC_INDIRECT_FILTER_DECLARE(route4_classify); +TC_INDIRECT_FILTER_DECLARE(rsvp_classify); +TC_INDIRECT_FILTER_DECLARE(rsvp6_classify); +TC_INDIRECT_FILTER_DECLARE(tcindex_classify); +TC_INDIRECT_FILTER_DECLARE(u32_classify); + +static inline int tc_classify(struct sk_buff *skb, const struct tcf_proto *tp, + struct tcf_result *res) +{ + if (static_branch_likely(&tc_skip_wrapper)) + goto skip; + +#if IS_BUILTIN(CONFIG_NET_CLS_BPF) + if (tp->classify == cls_bpf_classify) + return cls_bpf_classify(skb, tp, res); +#endif +#if IS_BUILTIN(CONFIG_NET_CLS_U32) + if (tp->classify == u32_classify) + return u32_classify(skb, tp, res); +#endif +#if IS_BUILTIN(CONFIG_NET_CLS_FLOWER) + if (tp->classify == fl_classify) + return fl_classify(skb, tp, res); +#endif +#if IS_BUILTIN(CONFIG_NET_CLS_FW) + if (tp->classify == fw_classify) + return fw_classify(skb, tp, res); +#endif +#if IS_BUILTIN(CONFIG_NET_CLS_MATCHALL) + if (tp->classify == mall_classify) + return mall_classify(skb, tp, res); +#endif +#if IS_BUILTIN(CONFIG_NET_CLS_BASIC) + if (tp->classify == basic_classify) + return basic_classify(skb, tp, res); +#endif +#if IS_BUILTIN(CONFIG_NET_CLS_CGROUP) + if (tp->classify == cls_cgroup_classify) + return cls_cgroup_classify(skb, tp, res); +#endif +#if IS_BUILTIN(CONFIG_NET_CLS_FLOW) + if (tp->classify == flow_classify) + return flow_classify(skb, tp, res); +#endif +#if IS_BUILTIN(CONFIG_NET_CLS_ROUTE4) + if (tp->classify == route4_classify) + return route4_classify(skb, tp, res); +#endif +#if IS_BUILTIN(CONFIG_NET_CLS_RSVP) + if (tp->classify == rsvp_classify) + return rsvp_classify(skb, tp, res); +#endif +#if IS_BUILTIN(CONFIG_NET_CLS_RSVP6) + if (tp->classify == rsvp6_classify) + return rsvp6_classify(skb, tp, res); +#endif +#if IS_BUILTIN(CONFIG_NET_CLS_TCINDEX) + if (tp->classify == tcindex_classify) + return tcindex_classify(skb, tp, res); +#endif + +skip: + return tp->classify(skb, tp, res); +} + +static inline void tc_wrapper_init(void) +{ +#ifdef CONFIG_X86 + if (!cpu_feature_enabled(X86_FEATURE_RETPOLINE)) + static_branch_enable(&tc_skip_wrapper); +#endif +} + +#endif /* CONFIG_NET_CLS */ + +#else + +#define TC_INDIRECT_SCOPE static + +static inline int tc_act(struct sk_buff *skb, const struct tc_action *a, + struct tcf_result *res) +{ + return a->ops->act(skb, a, res); +} + +static inline int tc_classify(struct sk_buff *skb, const struct tcf_proto *tp, + struct tcf_result *res) +{ + return tp->classify(skb, tp, res); +} + +static inline void tc_wrapper_init(void) +{ +} + +#endif + +#endif /* __NET_TC_WRAPPER_H */ diff --git a/net/sched/act_api.c b/net/sched/act_api.c index 9b31a10cc639..5b3c0ac495be 100644 --- a/net/sched/act_api.c +++ b/net/sched/act_api.c @@ -23,6 +23,7 @@ #include #include #include +#include #ifdef CONFIG_INET DEFINE_STATIC_KEY_FALSE(tcf_frag_xmit_count); @@ -1080,7 +1081,7 @@ restart_act_graph: repeat_ttl = 32; repeat: - ret = a->ops->act(skb, a, res); + ret = tc_act(skb, a, res); if (unlikely(ret == TC_ACT_REPEAT)) { if (--repeat_ttl != 0) goto repeat; diff --git a/net/sched/act_bpf.c b/net/sched/act_bpf.c index b79eee44e24e..b0455fda7d0b 100644 --- a/net/sched/act_bpf.c +++ b/net/sched/act_bpf.c @@ -18,6 +18,7 @@ #include #include +#include #define ACT_BPF_NAME_LEN 256 @@ -31,8 +32,9 @@ struct tcf_bpf_cfg { static struct tc_action_ops act_bpf_ops; -static int tcf_bpf_act(struct sk_buff *skb, const struct tc_action *act, - struct tcf_result *res) +TC_INDIRECT_SCOPE int tcf_bpf_act(struct sk_buff *skb, + const struct tc_action *act, + struct tcf_result *res) { bool at_ingress = skb_at_tc_ingress(skb); struct tcf_bpf *prog = to_bpf(act); diff --git a/net/sched/act_connmark.c b/net/sched/act_connmark.c index d41002e4613f..7e63ff7e3ed7 100644 --- a/net/sched/act_connmark.c +++ b/net/sched/act_connmark.c @@ -20,6 +20,7 @@ #include #include #include +#include #include #include @@ -27,8 +28,9 @@ static struct tc_action_ops act_connmark_ops; -static int tcf_connmark_act(struct sk_buff *skb, const struct tc_action *a, - struct tcf_result *res) +TC_INDIRECT_SCOPE int tcf_connmark_act(struct sk_buff *skb, + const struct tc_action *a, + struct tcf_result *res) { const struct nf_conntrack_tuple_hash *thash; struct nf_conntrack_tuple tuple; diff --git a/net/sched/act_csum.c b/net/sched/act_csum.c index 1366adf9b909..95e9304024b7 100644 --- a/net/sched/act_csum.c +++ b/net/sched/act_csum.c @@ -32,6 +32,7 @@ #include #include +#include static const struct nla_policy csum_policy[TCA_CSUM_MAX + 1] = { [TCA_CSUM_PARMS] = { .len = sizeof(struct tc_csum), }, @@ -563,8 +564,9 @@ fail: return 0; } -static int tcf_csum_act(struct sk_buff *skb, const struct tc_action *a, - struct tcf_result *res) +TC_INDIRECT_SCOPE int tcf_csum_act(struct sk_buff *skb, + const struct tc_action *a, + struct tcf_result *res) { struct tcf_csum *p = to_tcf_csum(a); bool orig_vlan_tag_present = false; diff --git a/net/sched/act_ct.c b/net/sched/act_ct.c index dd5ae7551956..f6df0168c91f 100644 --- a/net/sched/act_ct.c +++ b/net/sched/act_ct.c @@ -24,6 +24,7 @@ #include #include #include +#include #include #include @@ -1038,8 +1039,8 @@ static int tcf_ct_act_nat(struct sk_buff *skb, #endif } -static int tcf_ct_act(struct sk_buff *skb, const struct tc_action *a, - struct tcf_result *res) +TC_INDIRECT_SCOPE int tcf_ct_act(struct sk_buff *skb, const struct tc_action *a, + struct tcf_result *res) { struct net *net = dev_net(skb->dev); enum ip_conntrack_info ctinfo; diff --git a/net/sched/act_ctinfo.c b/net/sched/act_ctinfo.c index eaa02f098d1c..4b1b59da5c0b 100644 --- a/net/sched/act_ctinfo.c +++ b/net/sched/act_ctinfo.c @@ -18,6 +18,7 @@ #include #include #include +#include #include #include @@ -75,8 +76,9 @@ static void tcf_ctinfo_cpmark_set(struct nf_conn *ct, struct tcf_ctinfo *ca, skb->mark = READ_ONCE(ct->mark) & cp->cpmarkmask; } -static int tcf_ctinfo_act(struct sk_buff *skb, const struct tc_action *a, - struct tcf_result *res) +TC_INDIRECT_SCOPE int tcf_ctinfo_act(struct sk_buff *skb, + const struct tc_action *a, + struct tcf_result *res) { const struct nf_conntrack_tuple_hash *thash = NULL; struct tcf_ctinfo *ca = to_ctinfo(a); diff --git a/net/sched/act_gact.c b/net/sched/act_gact.c index 62d682b96b88..54f1b13b2360 100644 --- a/net/sched/act_gact.c +++ b/net/sched/act_gact.c @@ -18,6 +18,7 @@ #include #include #include +#include static struct tc_action_ops act_gact_ops; @@ -145,8 +146,9 @@ release_idr: return err; } -static int tcf_gact_act(struct sk_buff *skb, const struct tc_action *a, - struct tcf_result *res) +TC_INDIRECT_SCOPE int tcf_gact_act(struct sk_buff *skb, + const struct tc_action *a, + struct tcf_result *res) { struct tcf_gact *gact = to_gact(a); int action = READ_ONCE(gact->tcf_action); diff --git a/net/sched/act_gate.c b/net/sched/act_gate.c index 3049878e7315..9b8def0be41e 100644 --- a/net/sched/act_gate.c +++ b/net/sched/act_gate.c @@ -14,6 +14,7 @@ #include #include #include +#include static struct tc_action_ops act_gate_ops; @@ -113,8 +114,9 @@ static enum hrtimer_restart gate_timer_func(struct hrtimer *timer) return HRTIMER_RESTART; } -static int tcf_gate_act(struct sk_buff *skb, const struct tc_action *a, - struct tcf_result *res) +TC_INDIRECT_SCOPE int tcf_gate_act(struct sk_buff *skb, + const struct tc_action *a, + struct tcf_result *res) { struct tcf_gate *gact = to_gate(a); diff --git a/net/sched/act_ife.c b/net/sched/act_ife.c index 41d63b33461d..bc7611b0744c 100644 --- a/net/sched/act_ife.c +++ b/net/sched/act_ife.c @@ -29,6 +29,7 @@ #include #include #include +#include static int max_metacnt = IFE_META_MAX + 1; static struct tc_action_ops act_ife_ops; @@ -861,8 +862,9 @@ static int tcf_ife_encode(struct sk_buff *skb, const struct tc_action *a, return action; } -static int tcf_ife_act(struct sk_buff *skb, const struct tc_action *a, - struct tcf_result *res) +TC_INDIRECT_SCOPE int tcf_ife_act(struct sk_buff *skb, + const struct tc_action *a, + struct tcf_result *res) { struct tcf_ife_info *ife = to_ife(a); struct tcf_ife_params *p; diff --git a/net/sched/act_ipt.c b/net/sched/act_ipt.c index 1625e1037416..5d96ffebd40f 100644 --- a/net/sched/act_ipt.c +++ b/net/sched/act_ipt.c @@ -20,6 +20,7 @@ #include #include #include +#include #include @@ -216,8 +217,9 @@ static int tcf_xt_init(struct net *net, struct nlattr *nla, a, &act_xt_ops, tp, flags); } -static int tcf_ipt_act(struct sk_buff *skb, const struct tc_action *a, - struct tcf_result *res) +TC_INDIRECT_SCOPE int tcf_ipt_act(struct sk_buff *skb, + const struct tc_action *a, + struct tcf_result *res) { int ret = 0, result = 0; struct tcf_ipt *ipt = to_ipt(a); diff --git a/net/sched/act_mirred.c b/net/sched/act_mirred.c index b8ad6ae282c0..7284bcea7b0b 100644 --- a/net/sched/act_mirred.c +++ b/net/sched/act_mirred.c @@ -24,6 +24,7 @@ #include #include #include +#include static LIST_HEAD(mirred_list); static DEFINE_SPINLOCK(mirred_list_lock); @@ -217,8 +218,9 @@ static int tcf_mirred_forward(bool want_ingress, struct sk_buff *skb) return err; } -static int tcf_mirred_act(struct sk_buff *skb, const struct tc_action *a, - struct tcf_result *res) +TC_INDIRECT_SCOPE int tcf_mirred_act(struct sk_buff *skb, + const struct tc_action *a, + struct tcf_result *res) { struct tcf_mirred *m = to_mirred(a); struct sk_buff *skb2 = skb; diff --git a/net/sched/act_mpls.c b/net/sched/act_mpls.c index 8ad25cc8ccd5..ff47ce4d3968 100644 --- a/net/sched/act_mpls.c +++ b/net/sched/act_mpls.c @@ -14,6 +14,7 @@ #include #include #include +#include static struct tc_action_ops act_mpls_ops; @@ -49,8 +50,9 @@ static __be32 tcf_mpls_get_lse(struct mpls_shim_hdr *lse, return cpu_to_be32(new_lse); } -static int tcf_mpls_act(struct sk_buff *skb, const struct tc_action *a, - struct tcf_result *res) +TC_INDIRECT_SCOPE int tcf_mpls_act(struct sk_buff *skb, + const struct tc_action *a, + struct tcf_result *res) { struct tcf_mpls *m = to_mpls(a); struct tcf_mpls_params *p; diff --git a/net/sched/act_nat.c b/net/sched/act_nat.c index 9265145f1040..74c74be33048 100644 --- a/net/sched/act_nat.c +++ b/net/sched/act_nat.c @@ -24,7 +24,7 @@ #include #include #include - +#include static struct tc_action_ops act_nat_ops; @@ -98,8 +98,9 @@ release_idr: return err; } -static int tcf_nat_act(struct sk_buff *skb, const struct tc_action *a, - struct tcf_result *res) +TC_INDIRECT_SCOPE int tcf_nat_act(struct sk_buff *skb, + const struct tc_action *a, + struct tcf_result *res) { struct tcf_nat *p = to_tcf_nat(a); struct iphdr *iph; diff --git a/net/sched/act_pedit.c b/net/sched/act_pedit.c index 94ed5857ce67..a0378e9f0121 100644 --- a/net/sched/act_pedit.c +++ b/net/sched/act_pedit.c @@ -20,6 +20,7 @@ #include #include #include +#include static struct tc_action_ops act_pedit_ops; @@ -319,8 +320,9 @@ static int pedit_skb_hdr_offset(struct sk_buff *skb, return ret; } -static int tcf_pedit_act(struct sk_buff *skb, const struct tc_action *a, - struct tcf_result *res) +TC_INDIRECT_SCOPE int tcf_pedit_act(struct sk_buff *skb, + const struct tc_action *a, + struct tcf_result *res) { struct tcf_pedit *p = to_pedit(a); u32 max_offset; diff --git a/net/sched/act_police.c b/net/sched/act_police.c index 0adb26e366a7..227cba58ce9f 100644 --- a/net/sched/act_police.c +++ b/net/sched/act_police.c @@ -19,6 +19,7 @@ #include #include #include +#include /* Each policer is serialized by its individual spinlock */ @@ -242,8 +243,9 @@ static bool tcf_police_mtu_check(struct sk_buff *skb, u32 limit) return len <= limit; } -static int tcf_police_act(struct sk_buff *skb, const struct tc_action *a, - struct tcf_result *res) +TC_INDIRECT_SCOPE int tcf_police_act(struct sk_buff *skb, + const struct tc_action *a, + struct tcf_result *res) { struct tcf_police *police = to_police(a); s64 now, toks, ppstoks = 0, ptoks = 0; diff --git a/net/sched/act_sample.c b/net/sched/act_sample.c index 7a25477f5d99..98dea08c1764 100644 --- a/net/sched/act_sample.c +++ b/net/sched/act_sample.c @@ -20,6 +20,7 @@ #include #include #include +#include #include @@ -153,8 +154,9 @@ static bool tcf_sample_dev_ok_push(struct net_device *dev) } } -static int tcf_sample_act(struct sk_buff *skb, const struct tc_action *a, - struct tcf_result *res) +TC_INDIRECT_SCOPE int tcf_sample_act(struct sk_buff *skb, + const struct tc_action *a, + struct tcf_result *res) { struct tcf_sample *s = to_sample(a); struct psample_group *psample_group; diff --git a/net/sched/act_simple.c b/net/sched/act_simple.c index 18d376135461..4b84514534f3 100644 --- a/net/sched/act_simple.c +++ b/net/sched/act_simple.c @@ -14,6 +14,7 @@ #include #include #include +#include #include #include @@ -21,8 +22,9 @@ static struct tc_action_ops act_simp_ops; #define SIMP_MAX_DATA 32 -static int tcf_simp_act(struct sk_buff *skb, const struct tc_action *a, - struct tcf_result *res) +TC_INDIRECT_SCOPE int tcf_simp_act(struct sk_buff *skb, + const struct tc_action *a, + struct tcf_result *res) { struct tcf_defact *d = to_defact(a); diff --git a/net/sched/act_skbedit.c b/net/sched/act_skbedit.c index 1710780c908a..ce7008cf291c 100644 --- a/net/sched/act_skbedit.c +++ b/net/sched/act_skbedit.c @@ -16,6 +16,7 @@ #include #include #include +#include #include #include @@ -36,8 +37,9 @@ static u16 tcf_skbedit_hash(struct tcf_skbedit_params *params, return netdev_cap_txqueue(skb->dev, queue_mapping); } -static int tcf_skbedit_act(struct sk_buff *skb, const struct tc_action *a, - struct tcf_result *res) +TC_INDIRECT_SCOPE int tcf_skbedit_act(struct sk_buff *skb, + const struct tc_action *a, + struct tcf_result *res) { struct tcf_skbedit *d = to_skbedit(a); struct tcf_skbedit_params *params; diff --git a/net/sched/act_skbmod.c b/net/sched/act_skbmod.c index d98758a63934..dffa990a9629 100644 --- a/net/sched/act_skbmod.c +++ b/net/sched/act_skbmod.c @@ -15,14 +15,16 @@ #include #include #include +#include #include #include static struct tc_action_ops act_skbmod_ops; -static int tcf_skbmod_act(struct sk_buff *skb, const struct tc_action *a, - struct tcf_result *res) +TC_INDIRECT_SCOPE int tcf_skbmod_act(struct sk_buff *skb, + const struct tc_action *a, + struct tcf_result *res) { struct tcf_skbmod *d = to_skbmod(a); int action, max_edit_len, err; diff --git a/net/sched/act_tunnel_key.c b/net/sched/act_tunnel_key.c index 2691a3d8e451..2d12d2626415 100644 --- a/net/sched/act_tunnel_key.c +++ b/net/sched/act_tunnel_key.c @@ -16,14 +16,16 @@ #include #include #include +#include #include #include static struct tc_action_ops act_tunnel_key_ops; -static int tunnel_key_act(struct sk_buff *skb, const struct tc_action *a, - struct tcf_result *res) +TC_INDIRECT_SCOPE int tunnel_key_act(struct sk_buff *skb, + const struct tc_action *a, + struct tcf_result *res) { struct tcf_tunnel_key *t = to_tunnel_key(a); struct tcf_tunnel_key_params *params; diff --git a/net/sched/act_vlan.c b/net/sched/act_vlan.c index 7b24e898a3e6..0251442f5f29 100644 --- a/net/sched/act_vlan.c +++ b/net/sched/act_vlan.c @@ -12,14 +12,16 @@ #include #include #include +#include #include #include static struct tc_action_ops act_vlan_ops; -static int tcf_vlan_act(struct sk_buff *skb, const struct tc_action *a, - struct tcf_result *res) +TC_INDIRECT_SCOPE int tcf_vlan_act(struct sk_buff *skb, + const struct tc_action *a, + struct tcf_result *res) { struct tcf_vlan *v = to_vlan(a); struct tcf_vlan_params *p; diff --git a/net/sched/cls_api.c b/net/sched/cls_api.c index 23d1cfa4f58c..668130f08903 100644 --- a/net/sched/cls_api.c +++ b/net/sched/cls_api.c @@ -40,6 +40,7 @@ #include #include #include +#include extern const struct nla_policy rtm_tca_policy[TCA_MAX + 1]; @@ -1564,7 +1565,7 @@ reclassify: tp->protocol != htons(ETH_P_ALL)) continue; - err = tp->classify(skb, tp, res); + err = tc_classify(skb, tp, res); #ifdef CONFIG_NET_CLS_ACT if (unlikely(err == TC_ACT_RECLASSIFY && !compat_mode)) { first_tp = orig_tp; diff --git a/net/sched/cls_basic.c b/net/sched/cls_basic.c index d229ce99e554..1b92c33b5f81 100644 --- a/net/sched/cls_basic.c +++ b/net/sched/cls_basic.c @@ -18,6 +18,7 @@ #include #include #include +#include struct basic_head { struct list_head flist; @@ -36,8 +37,9 @@ struct basic_filter { struct rcu_work rwork; }; -static int basic_classify(struct sk_buff *skb, const struct tcf_proto *tp, - struct tcf_result *res) +TC_INDIRECT_SCOPE int basic_classify(struct sk_buff *skb, + const struct tcf_proto *tp, + struct tcf_result *res) { int r; struct basic_head *head = rcu_dereference_bh(tp->root); diff --git a/net/sched/cls_bpf.c b/net/sched/cls_bpf.c index bc317b3eac12..466c26df853a 100644 --- a/net/sched/cls_bpf.c +++ b/net/sched/cls_bpf.c @@ -19,6 +19,7 @@ #include #include #include +#include MODULE_LICENSE("GPL"); MODULE_AUTHOR("Daniel Borkmann "); @@ -77,8 +78,9 @@ static int cls_bpf_exec_opcode(int code) } } -static int cls_bpf_classify(struct sk_buff *skb, const struct tcf_proto *tp, - struct tcf_result *res) +TC_INDIRECT_SCOPE int cls_bpf_classify(struct sk_buff *skb, + const struct tcf_proto *tp, + struct tcf_result *res) { struct cls_bpf_head *head = rcu_dereference_bh(tp->root); bool at_ingress = skb_at_tc_ingress(skb); diff --git a/net/sched/cls_cgroup.c b/net/sched/cls_cgroup.c index ed00001b528a..bd9322d71910 100644 --- a/net/sched/cls_cgroup.c +++ b/net/sched/cls_cgroup.c @@ -13,6 +13,7 @@ #include #include #include +#include struct cls_cgroup_head { u32 handle; @@ -22,8 +23,9 @@ struct cls_cgroup_head { struct rcu_work rwork; }; -static int cls_cgroup_classify(struct sk_buff *skb, const struct tcf_proto *tp, - struct tcf_result *res) +TC_INDIRECT_SCOPE int cls_cgroup_classify(struct sk_buff *skb, + const struct tcf_proto *tp, + struct tcf_result *res) { struct cls_cgroup_head *head = rcu_dereference_bh(tp->root); u32 classid = task_get_classid(skb); diff --git a/net/sched/cls_flow.c b/net/sched/cls_flow.c index 014cd3de7b5d..535668e1f748 100644 --- a/net/sched/cls_flow.c +++ b/net/sched/cls_flow.c @@ -24,6 +24,7 @@ #include #include #include +#include #if IS_ENABLED(CONFIG_NF_CONNTRACK) #include @@ -292,8 +293,9 @@ static u32 flow_key_get(struct sk_buff *skb, int key, struct flow_keys *flow) (1 << FLOW_KEY_NFCT_PROTO_SRC) | \ (1 << FLOW_KEY_NFCT_PROTO_DST)) -static int flow_classify(struct sk_buff *skb, const struct tcf_proto *tp, - struct tcf_result *res) +TC_INDIRECT_SCOPE int flow_classify(struct sk_buff *skb, + const struct tcf_proto *tp, + struct tcf_result *res) { struct flow_head *head = rcu_dereference_bh(tp->root); struct flow_filter *f; diff --git a/net/sched/cls_flower.c b/net/sched/cls_flower.c index 25bc57ee6ea1..0b15698b3531 100644 --- a/net/sched/cls_flower.c +++ b/net/sched/cls_flower.c @@ -27,6 +27,7 @@ #include #include #include +#include #include #include @@ -305,8 +306,9 @@ static u16 fl_ct_info_to_flower_map[] = { TCA_FLOWER_KEY_CT_FLAGS_NEW, }; -static int fl_classify(struct sk_buff *skb, const struct tcf_proto *tp, - struct tcf_result *res) +TC_INDIRECT_SCOPE int fl_classify(struct sk_buff *skb, + const struct tcf_proto *tp, + struct tcf_result *res) { struct cls_fl_head *head = rcu_dereference_bh(tp->root); bool post_ct = tc_skb_cb(skb)->post_ct; diff --git a/net/sched/cls_fw.c b/net/sched/cls_fw.c index a32351da968c..ae9439a6c56c 100644 --- a/net/sched/cls_fw.c +++ b/net/sched/cls_fw.c @@ -21,6 +21,7 @@ #include #include #include +#include #define HTSIZE 256 @@ -47,8 +48,9 @@ static u32 fw_hash(u32 handle) return handle % HTSIZE; } -static int fw_classify(struct sk_buff *skb, const struct tcf_proto *tp, - struct tcf_result *res) +TC_INDIRECT_SCOPE int fw_classify(struct sk_buff *skb, + const struct tcf_proto *tp, + struct tcf_result *res) { struct fw_head *head = rcu_dereference_bh(tp->root); struct fw_filter *f; diff --git a/net/sched/cls_matchall.c b/net/sched/cls_matchall.c index 39a5d9c170de..705f63da2c21 100644 --- a/net/sched/cls_matchall.c +++ b/net/sched/cls_matchall.c @@ -12,6 +12,7 @@ #include #include +#include struct cls_mall_head { struct tcf_exts exts; @@ -24,8 +25,9 @@ struct cls_mall_head { bool deleting; }; -static int mall_classify(struct sk_buff *skb, const struct tcf_proto *tp, - struct tcf_result *res) +TC_INDIRECT_SCOPE 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); diff --git a/net/sched/cls_route.c b/net/sched/cls_route.c index 9e43b929d4ca..d0c53724d3e8 100644 --- a/net/sched/cls_route.c +++ b/net/sched/cls_route.c @@ -17,6 +17,7 @@ #include #include #include +#include /* * 1. For now we assume that route tags < 256. @@ -121,8 +122,9 @@ static inline int route4_hash_wild(void) return 0; \ } -static int route4_classify(struct sk_buff *skb, const struct tcf_proto *tp, - struct tcf_result *res) +TC_INDIRECT_SCOPE int route4_classify(struct sk_buff *skb, + const struct tcf_proto *tp, + struct tcf_result *res) { struct route4_head *head = rcu_dereference_bh(tp->root); struct dst_entry *dst; diff --git a/net/sched/cls_rsvp.c b/net/sched/cls_rsvp.c index de1c1d4da597..03d8619bd9c6 100644 --- a/net/sched/cls_rsvp.c +++ b/net/sched/cls_rsvp.c @@ -15,10 +15,12 @@ #include #include #include +#include #define RSVP_DST_LEN 1 #define RSVP_ID "rsvp" #define RSVP_OPS cls_rsvp_ops +#define RSVP_CLS rsvp_classify #include "cls_rsvp.h" MODULE_LICENSE("GPL"); diff --git a/net/sched/cls_rsvp.h b/net/sched/cls_rsvp.h index b00a7dbd0587..869efba9f834 100644 --- a/net/sched/cls_rsvp.h +++ b/net/sched/cls_rsvp.h @@ -124,8 +124,8 @@ static inline unsigned int hash_src(__be32 *src) return r; \ } -static int rsvp_classify(struct sk_buff *skb, const struct tcf_proto *tp, - struct tcf_result *res) +TC_INDIRECT_SCOPE int RSVP_CLS(struct sk_buff *skb, const struct tcf_proto *tp, + struct tcf_result *res) { struct rsvp_head *head = rcu_dereference_bh(tp->root); struct rsvp_session *s; @@ -738,7 +738,7 @@ static void rsvp_bind_class(void *fh, u32 classid, unsigned long cl, void *q, static struct tcf_proto_ops RSVP_OPS __read_mostly = { .kind = RSVP_ID, - .classify = rsvp_classify, + .classify = RSVP_CLS, .init = rsvp_init, .destroy = rsvp_destroy, .get = rsvp_get, diff --git a/net/sched/cls_rsvp6.c b/net/sched/cls_rsvp6.c index 64078846000e..e627cc32d633 100644 --- a/net/sched/cls_rsvp6.c +++ b/net/sched/cls_rsvp6.c @@ -15,10 +15,12 @@ #include #include #include +#include #define RSVP_DST_LEN 4 #define RSVP_ID "rsvp6" #define RSVP_OPS cls_rsvp6_ops +#define RSVP_CLS rsvp6_classify #include "cls_rsvp.h" MODULE_LICENSE("GPL"); diff --git a/net/sched/cls_tcindex.c b/net/sched/cls_tcindex.c index 1c9eeb98d826..eb0e9458e722 100644 --- a/net/sched/cls_tcindex.c +++ b/net/sched/cls_tcindex.c @@ -16,6 +16,7 @@ #include #include #include +#include /* * Passing parameters to the root seems to be done more awkwardly than really @@ -98,9 +99,9 @@ static struct tcindex_filter_result *tcindex_lookup(struct tcindex_data *p, return NULL; } - -static int tcindex_classify(struct sk_buff *skb, const struct tcf_proto *tp, - struct tcf_result *res) +TC_INDIRECT_SCOPE int tcindex_classify(struct sk_buff *skb, + const struct tcf_proto *tp, + struct tcf_result *res) { struct tcindex_data *p = rcu_dereference_bh(tp->root); struct tcindex_filter_result *f; diff --git a/net/sched/cls_u32.c b/net/sched/cls_u32.c index 34d25f7a0687..4e2e269f121f 100644 --- a/net/sched/cls_u32.c +++ b/net/sched/cls_u32.c @@ -39,6 +39,7 @@ #include #include #include +#include struct tc_u_knode { struct tc_u_knode __rcu *next; @@ -100,8 +101,9 @@ static inline unsigned int u32_hash_fold(__be32 key, return h; } -static int u32_classify(struct sk_buff *skb, const struct tcf_proto *tp, - struct tcf_result *res) +TC_INDIRECT_SCOPE int u32_classify(struct sk_buff *skb, + const struct tcf_proto *tp, + struct tcf_result *res) { struct { struct tc_u_knode *knode; diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c index 4a27dfb1ba0f..2317db02c764 100644 --- a/net/sched/sch_api.c +++ b/net/sched/sch_api.c @@ -31,6 +31,7 @@ #include #include #include +#include #include @@ -2273,6 +2274,8 @@ static struct pernet_operations psched_net_ops = { .exit = psched_net_exit, }; +DEFINE_STATIC_KEY_FALSE(tc_skip_wrapper); + static int __init pktsched_init(void) { int err; @@ -2300,6 +2303,8 @@ static int __init pktsched_init(void) rtnl_register(PF_UNSPEC, RTM_GETTCLASS, tc_ctl_tclass, tc_dump_tclass, 0); + tc_wrapper_init(); + return 0; }