Merge drm/drm-fixes into drm-misc-fixes

Let's start the fixes cycle.

Signed-off-by: Maxime Ripard <maxime@cerno.tech>

1 files changed, 123 insertions, 26 deletions

diff --git a/include/net/xfrm.h b/include/net/xfrm.h
index dbc81f5eb553..3e1f70e8e424 100644
--- a/include/net/xfrm.h
+++ b/include/net/xfrm.h
@@ -129,6 +129,13 @@ struct xfrm_state_walk {
 enum {
 	XFRM_DEV_OFFLOAD_IN = 1,
 	XFRM_DEV_OFFLOAD_OUT,
+	XFRM_DEV_OFFLOAD_FWD,
+};
+
+enum {
+	XFRM_DEV_OFFLOAD_UNSPECIFIED,
+	XFRM_DEV_OFFLOAD_CRYPTO,
+	XFRM_DEV_OFFLOAD_PACKET,
 };
 
 struct xfrm_dev_offload {
@@ -137,6 +144,7 @@ struct xfrm_dev_offload {
 	struct net_device	*real_dev;
 	unsigned long		offload_handle;
 	u8			dir : 2;
+	u8			type : 2;
 };
 
 struct xfrm_mode {
@@ -534,6 +542,8 @@ struct xfrm_policy {
 	struct xfrm_tmpl       	xfrm_vec[XFRM_MAX_DEPTH];
 	struct hlist_node	bydst_inexact_list;
 	struct rcu_head		rcu;
+
+	struct xfrm_dev_offload xdo;
 };
 
 static inline struct net *xp_net(const struct xfrm_policy *xp)
@@ -1093,6 +1103,29 @@ xfrm_state_addr_cmp(const struct xfrm_tmpl *tmpl, const struct xfrm_state *x, un
 }
 
 #ifdef CONFIG_XFRM
+static inline struct xfrm_state *xfrm_input_state(struct sk_buff *skb)
+{
+	struct sec_path *sp = skb_sec_path(skb);
+
+	return sp->xvec[sp->len - 1];
+}
+#endif
+
+static inline struct xfrm_offload *xfrm_offload(struct sk_buff *skb)
+{
+#ifdef CONFIG_XFRM
+	struct sec_path *sp = skb_sec_path(skb);
+
+	if (!sp || !sp->olen || sp->len != sp->olen)
+		return NULL;
+
+	return &sp->ovec[sp->olen - 1];
+#else
+	return NULL;
+#endif
+}
+
+#ifdef CONFIG_XFRM
 int __xfrm_policy_check(struct sock *, int dir, struct sk_buff *skb,
 			unsigned short family);
 
@@ -1123,10 +1156,19 @@ static inline int __xfrm_policy_check2(struct sock *sk, int dir,
 {
 	struct net *net = dev_net(skb->dev);
 	int ndir = dir | (reverse ? XFRM_POLICY_MASK + 1 : 0);
+	struct xfrm_offload *xo = xfrm_offload(skb);
+	struct xfrm_state *x;
 
 	if (sk && sk->sk_policy[XFRM_POLICY_IN])
 		return __xfrm_policy_check(sk, ndir, skb, family);
 
+	if (xo) {
+		x = xfrm_input_state(skb);
+		if (x->xso.type == XFRM_DEV_OFFLOAD_PACKET)
+			return (xo->flags & CRYPTO_DONE) &&
+			       (xo->status & CRYPTO_SUCCESS);
+	}
+
 	return __xfrm_check_nopolicy(net, skb, dir) ||
 	       __xfrm_check_dev_nopolicy(skb, dir, family) ||
 	       __xfrm_policy_check(sk, ndir, skb, family);
@@ -1529,6 +1571,23 @@ struct xfrm_state *xfrm_stateonly_find(struct net *net, u32 mark, u32 if_id,
 struct xfrm_state *xfrm_state_lookup_byspi(struct net *net, __be32 spi,
 					      unsigned short family);
 int xfrm_state_check_expire(struct xfrm_state *x);
+#ifdef CONFIG_XFRM_OFFLOAD
+static inline void xfrm_dev_state_update_curlft(struct xfrm_state *x)
+{
+	struct xfrm_dev_offload *xdo = &x->xso;
+	struct net_device *dev = xdo->dev;
+
+	if (x->xso.type != XFRM_DEV_OFFLOAD_PACKET)
+		return;
+
+	if (dev && dev->xfrmdev_ops &&
+	    dev->xfrmdev_ops->xdo_dev_state_update_curlft)
+		dev->xfrmdev_ops->xdo_dev_state_update_curlft(x);
+
+}
+#else
+static inline void xfrm_dev_state_update_curlft(struct xfrm_state *x) {}
+#endif
 void xfrm_state_insert(struct xfrm_state *x);
 int xfrm_state_add(struct xfrm_state *x);
 int xfrm_state_update(struct xfrm_state *x);
@@ -1578,6 +1637,8 @@ struct xfrm_state *xfrm_find_acq_byseq(struct net *net, u32 mark, u32 seq);
 int xfrm_state_delete(struct xfrm_state *x);
 int xfrm_state_flush(struct net *net, u8 proto, bool task_valid, bool sync);
 int xfrm_dev_state_flush(struct net *net, struct net_device *dev, bool task_valid);
+int xfrm_dev_policy_flush(struct net *net, struct net_device *dev,
+			  bool task_valid);
 void xfrm_sad_getinfo(struct net *net, struct xfrmk_sadinfo *si);
 void xfrm_spd_getinfo(struct net *net, struct xfrmk_spdinfo *si);
 u32 xfrm_replay_seqhi(struct xfrm_state *x, __be32 net_seq);
@@ -1681,8 +1742,9 @@ struct xfrm_policy *xfrm_policy_byid(struct net *net,
 int xfrm_policy_flush(struct net *net, u8 type, bool task_valid);
 void xfrm_policy_hash_rebuild(struct net *net);
 u32 xfrm_get_acqseq(void);
-int verify_spi_info(u8 proto, u32 min, u32 max);
-int xfrm_alloc_spi(struct xfrm_state *x, u32 minspi, u32 maxspi);
+int verify_spi_info(u8 proto, u32 min, u32 max, struct netlink_ext_ack *extack);
+int xfrm_alloc_spi(struct xfrm_state *x, u32 minspi, u32 maxspi,
+		   struct netlink_ext_ack *extack);
 struct xfrm_state *xfrm_find_acq(struct net *net, const struct xfrm_mark *mark,
 				 u8 mode, u32 reqid, u32 if_id, u8 proto,
 				 const xfrm_address_t *daddr,
@@ -1703,7 +1765,8 @@ struct xfrm_state *xfrm_state_migrate(struct xfrm_state *x,
 int xfrm_migrate(const struct xfrm_selector *sel, u8 dir, u8 type,
 		 struct xfrm_migrate *m, int num_bundles,
 		 struct xfrm_kmaddress *k, struct net *net,
-		 struct xfrm_encap_tmpl *encap, u32 if_id);
+		 struct xfrm_encap_tmpl *encap, u32 if_id,
+		 struct netlink_ext_ack *extack);
 #endif
 
 int km_new_mapping(struct xfrm_state *x, xfrm_address_t *ipaddr, __be16 sport);
@@ -1858,29 +1921,6 @@ static inline void xfrm_states_delete(struct xfrm_state **states, int n)
 }
 #endif
 
-#ifdef CONFIG_XFRM
-static inline struct xfrm_state *xfrm_input_state(struct sk_buff *skb)
-{
-	struct sec_path *sp = skb_sec_path(skb);
-
-	return sp->xvec[sp->len - 1];
-}
-#endif
-
-static inline struct xfrm_offload *xfrm_offload(struct sk_buff *skb)
-{
-#ifdef CONFIG_XFRM
-	struct sec_path *sp = skb_sec_path(skb);
-
-	if (!sp || !sp->olen || sp->len != sp->olen)
-		return NULL;
-
-	return &sp->ovec[sp->olen - 1];
-#else
-	return NULL;
-#endif
-}
-
 void __init xfrm_dev_init(void);
 
 #ifdef CONFIG_XFRM_OFFLOAD
@@ -1890,6 +1930,9 @@ struct sk_buff *validate_xmit_xfrm(struct sk_buff *skb, netdev_features_t featur
 int xfrm_dev_state_add(struct net *net, struct xfrm_state *x,
 		       struct xfrm_user_offload *xuo,
 		       struct netlink_ext_ack *extack);
+int xfrm_dev_policy_add(struct net *net, struct xfrm_policy *xp,
+			struct xfrm_user_offload *xuo, u8 dir,
+			struct netlink_ext_ack *extack);
 bool xfrm_dev_offload_ok(struct sk_buff *skb, struct xfrm_state *x);
 
 static inline void xfrm_dev_state_advance_esn(struct xfrm_state *x)
@@ -1938,6 +1981,28 @@ static inline void xfrm_dev_state_free(struct xfrm_state *x)
 		netdev_put(dev, &xso->dev_tracker);
 	}
 }
+
+static inline void xfrm_dev_policy_delete(struct xfrm_policy *x)
+{
+	struct xfrm_dev_offload *xdo = &x->xdo;
+	struct net_device *dev = xdo->dev;
+
+	if (dev && dev->xfrmdev_ops && dev->xfrmdev_ops->xdo_dev_policy_delete)
+		dev->xfrmdev_ops->xdo_dev_policy_delete(x);
+}
+
+static inline void xfrm_dev_policy_free(struct xfrm_policy *x)
+{
+	struct xfrm_dev_offload *xdo = &x->xdo;
+	struct net_device *dev = xdo->dev;
+
+	if (dev && dev->xfrmdev_ops) {
+		if (dev->xfrmdev_ops->xdo_dev_policy_free)
+			dev->xfrmdev_ops->xdo_dev_policy_free(x);
+		xdo->dev = NULL;
+		netdev_put(dev, &xdo->dev_tracker);
+	}
+}
 #else
 static inline void xfrm_dev_resume(struct sk_buff *skb)
 {
@@ -1965,6 +2030,21 @@ static inline void xfrm_dev_state_free(struct xfrm_state *x)
 {
 }
 
+static inline int xfrm_dev_policy_add(struct net *net, struct xfrm_policy *xp,
+				      struct xfrm_user_offload *xuo, u8 dir,
+				      struct netlink_ext_ack *extack)
+{
+	return 0;
+}
+
+static inline void xfrm_dev_policy_delete(struct xfrm_policy *x)
+{
+}
+
+static inline void xfrm_dev_policy_free(struct xfrm_policy *x)
+{
+}
+
 static inline bool xfrm_dev_offload_ok(struct sk_buff *skb, struct xfrm_state *x)
 {
 	return false;
@@ -2084,4 +2164,21 @@ static inline bool xfrm6_local_dontfrag(const struct sock *sk)
 	return false;
 }
 #endif
+
+#if (IS_BUILTIN(CONFIG_XFRM_INTERFACE) && IS_ENABLED(CONFIG_DEBUG_INFO_BTF)) || \
+    (IS_MODULE(CONFIG_XFRM_INTERFACE) && IS_ENABLED(CONFIG_DEBUG_INFO_BTF_MODULES))
+
+extern struct metadata_dst __percpu *xfrm_bpf_md_dst;
+
+int register_xfrm_interface_bpf(void);
+
+#else
+
+static inline int register_xfrm_interface_bpf(void)
+{
+	return 0;
+}
+
+#endif
+
 #endif	/* _NET_XFRM_H */