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authorLinus Torvalds <torvalds@linux-foundation.org>2026-08-19 10:09:22 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2026-08-19 10:09:22 -0700
commitf4cdf7ca9a1fdcca413157df19753f388a5a224e (patch)
tree60a31895b2446cd7fa27514e8c2843534a0de0da /include/net/tc_wrapper.h
downloadlinux-stable-f4cdf7ca9a1fdcca413157df19753f388a5a224e.tar.gz
linux-stable-f4cdf7ca9a1fdcca413157df19753f388a5a224e.zip
Merge tag 'media/v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-mediagrafted
Pull media updates from Mauro Carvalho Chehab: - v4l2-core: added ISP statistics support and per-block validation - v4l2-core: Allow unknown HDR10 white point and luminance - New camera sensors: Sony IMX678 and IMX471m, Himax HM1092 IR sensor - New codec: Milos: VPU v2.0 codec support - isp driver: gained support for Dreamchip RPPX1 ISP framework - vsp1 driver: gained support for RZ/T2H and RZ/N2H - Novalake driver: gained CVS support for new NVL hardware - dvb-core: fix feed leak on failed DMX_ADD_PID - several driver fixes, cleanups and minor improvements * tag 'media/v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (308 commits) media: ipu-bridge: check all DMI entries when overriding sensor rotation media: v4l2-async: avoid deleting unlinked ASC entry on link error media: rzg2l-cru: Align bytesperline to hardware DMA stride requirement media: intel/ipu6: fix async notifier cleanup leak on parse error media: staging/ipu7: fix async notifier UAF on probe error path media: amd: isp4: fix self-deadlock in isp4sd_pwron_and_init() error path media: amd: isp4: release partial allocations in isp4if_alloc_fw_gpumem() media: rcar-isp: Fix VSPX reference leaks media: rcar-isp: Release ISPCORE resources media: i2c: imx415: Release runtime PM reference on VBLANK error media: i2c: imx415: Return test pattern write errors media: renesas: vsp1: Declare index variables in for loop statement media: renesas: vsp1: Make reset control optional to support platforms without a reset line media: dt-bindings: media: renesas,vsp1: Document RZ/T2H and RZ/N2H SoCs media: dt-bindings: media: renesas,fcp: Document RZ/T2H and RZ/N2H SoCs media: nxp: imx8-isi: Add additional 32-bit RGB format support media: nxp: imx8-isi: Add 16-bit raw Bayer format support media: nxp: imx8-isi: Implement per-stream reference counting for multiplexed streams media: nxp: imx8-isi: Use BIT_ULL() for 64-bit stream masks media: nxp: imx8-isi: Correct color map between V4L2 and ISI ...
Diffstat (limited to 'include/net/tc_wrapper.h')
-rw-r--r--include/net/tc_wrapper.h269
1 files changed, 269 insertions, 0 deletions
diff --git a/include/net/tc_wrapper.h b/include/net/tc_wrapper.h
new file mode 100644
index 000000000..4ebb053bb
--- /dev/null
+++ b/include/net/tc_wrapper.h
@@ -0,0 +1,269 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __NET_TC_WRAPPER_H
+#define __NET_TC_WRAPPER_H
+
+#include <net/pkt_cls.h>
+
+#if IS_ENABLED(CONFIG_MITIGATION_RETPOLINE)
+
+#include <linux/cpufeature.h>
+#include <linux/static_key.h>
+#include <linux/indirect_call_wrapper.h>
+
+#define TC_INDIRECT_SCOPE
+
+extern struct static_key_false tc_skip_wrapper_act;
+extern struct static_key_false tc_skip_wrapper_cls;
+
+/* 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_act))
+ 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_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(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_cls))
+ 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
+
+skip:
+ return tp->classify(skb, tp, res);
+}
+
+#endif /* CONFIG_NET_CLS */
+
+static inline void tc_wrapper_init(void)
+{
+#ifdef CONFIG_X86
+ int cnt_cls = IS_BUILTIN(CONFIG_NET_CLS_BPF) +
+ IS_BUILTIN(CONFIG_NET_CLS_U32) +
+ IS_BUILTIN(CONFIG_NET_CLS_FLOWER) +
+ IS_BUILTIN(CONFIG_NET_CLS_FW) +
+ IS_BUILTIN(CONFIG_NET_CLS_MATCHALL) +
+ IS_BUILTIN(CONFIG_NET_CLS_BASIC) +
+ IS_BUILTIN(CONFIG_NET_CLS_CGROUP) +
+ IS_BUILTIN(CONFIG_NET_CLS_FLOW) +
+ IS_BUILTIN(CONFIG_NET_CLS_ROUTE4);
+
+ int cnt_act = IS_BUILTIN(CONFIG_NET_ACT_GACT) +
+ IS_BUILTIN(CONFIG_NET_ACT_MIRRED) +
+ IS_BUILTIN(CONFIG_NET_ACT_PEDIT) +
+ IS_BUILTIN(CONFIG_NET_ACT_SKBEDIT) +
+ IS_BUILTIN(CONFIG_NET_ACT_SKBMOD) +
+ IS_BUILTIN(CONFIG_NET_ACT_POLICE) +
+ IS_BUILTIN(CONFIG_NET_ACT_BPF) +
+ IS_BUILTIN(CONFIG_NET_ACT_CONNMARK) +
+ IS_BUILTIN(CONFIG_NET_ACT_CSUM) +
+ IS_BUILTIN(CONFIG_NET_ACT_CT) +
+ IS_BUILTIN(CONFIG_NET_ACT_CTINFO) +
+ IS_BUILTIN(CONFIG_NET_ACT_GATE) +
+ IS_BUILTIN(CONFIG_NET_ACT_MPLS) +
+ IS_BUILTIN(CONFIG_NET_ACT_NAT) +
+ IS_BUILTIN(CONFIG_NET_ACT_TUNNEL_KEY) +
+ IS_BUILTIN(CONFIG_NET_ACT_VLAN) +
+ IS_BUILTIN(CONFIG_NET_ACT_IFE) +
+ IS_BUILTIN(CONFIG_NET_ACT_SIMP) +
+ IS_BUILTIN(CONFIG_NET_ACT_SAMPLE);
+
+ if (cpu_feature_enabled(X86_FEATURE_RETPOLINE))
+ return;
+
+ if (cnt_cls > 1)
+ static_branch_enable(&tc_skip_wrapper_cls);
+
+ if (cnt_act > 1)
+ static_branch_enable(&tc_skip_wrapper_act);
+#endif
+}
+
+#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 */