From 2f529f9b558ca1c1bd74be7437a84e4711743404 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 01 Nov 2024 02:11:33 +0000
Subject: [PATCH] add xenomai
---
kernel/include/linux/skbuff.h | 69 ++++++++++++++++++++++++++++++++++
1 files changed, 69 insertions(+), 0 deletions(-)
diff --git a/kernel/include/linux/skbuff.h b/kernel/include/linux/skbuff.h
index f73efb3..3556cf6 100644
--- a/kernel/include/linux/skbuff.h
+++ b/kernel/include/linux/skbuff.h
@@ -793,6 +793,12 @@
#ifdef CONFIG_SKB_EXTENSIONS
__u8 active_extensions;
#endif
+#ifdef CONFIG_NET_OOB
+ __u8 oob:1;
+ __u8 oob_clone:1;
+ __u8 oob_cloned:1;
+#endif
+
/* fields enclosed in headers_start/headers_end are copied
* using a single memcpy() in __copy_skb_header()
*/
@@ -1102,6 +1108,69 @@
struct sk_buff *build_skb(void *data, unsigned int frag_size);
struct sk_buff *build_skb_around(struct sk_buff *skb,
void *data, unsigned int frag_size);
+#ifdef CONFIG_NET_OOB
+
+static inline void __skb_oob_copy(struct sk_buff *new,
+ const struct sk_buff *old)
+{
+ new->oob = old->oob;
+ new->oob_clone = old->oob_clone;
+ new->oob_cloned = old->oob_cloned;
+}
+
+static inline bool skb_is_oob(const struct sk_buff *skb)
+{
+ return skb->oob;
+}
+
+static inline bool skb_is_oob_clone(const struct sk_buff *skb)
+{
+ return skb->oob_clone;
+}
+
+static inline bool skb_has_oob_clone(const struct sk_buff *skb)
+{
+ return skb->oob_cloned;
+}
+
+struct sk_buff *__netdev_alloc_oob_skb(struct net_device *dev,
+ size_t len, size_t headroom,
+ gfp_t gfp_mask);
+void __netdev_free_oob_skb(struct net_device *dev, struct sk_buff *skb);
+void netdev_reset_oob_skb(struct net_device *dev, struct sk_buff *skb,
+ size_t headroom);
+struct sk_buff *skb_alloc_oob_head(gfp_t gfp_mask);
+void skb_morph_oob_skb(struct sk_buff *n, struct sk_buff *skb);
+bool skb_release_oob_skb(struct sk_buff *skb, int *dref);
+
+static inline bool recycle_oob_skb(struct sk_buff *skb)
+{
+ bool skb_oob_recycle(struct sk_buff *skb);
+
+ if (!skb->oob)
+ return false;
+
+ return skb_oob_recycle(skb);
+}
+
+#else /* !CONFIG_NET_OOB */
+
+static inline void __skb_oob_copy(struct sk_buff *new,
+ const struct sk_buff *old)
+{
+}
+
+static inline bool skb_is_oob(const struct sk_buff *skb)
+{
+ return false;
+}
+
+static inline bool recycle_oob_skb(struct sk_buff *skb)
+{
+ return false;
+}
+
+#endif /* !CONFIG_NET_OOB */
/**
* alloc_skb - allocate a network buffer
--
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