Fix duplicate atomic_t typedef conflicting with types.h

2026-05-31 05:50:29 +03:00
parent 98326148ef
commit 3431bbfeb2
6455 changed files with 7049323 additions and 203 deletions
@@ -0,0 +1,74 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ *	Skb ref helpers.
+ *
+ */
+
+#ifndef _LINUX_SKBUFF_REF_H
+#define _LINUX_SKBUFF_REF_H
+
+#include <linux/skbuff.h>
+
+/**
+ * __skb_frag_ref - take an addition reference on a paged fragment.
+ * @frag: the paged fragment
+ *
+ * Takes an additional reference on the paged fragment @frag.
+ */
+static __always_inline void __skb_frag_ref(skb_frag_t *frag)
+{
+	get_netmem(skb_frag_netmem(frag));
+}
+
+/**
+ * skb_frag_ref - take an addition reference on a paged fragment of an skb.
+ * @skb: the buffer
+ * @f: the fragment offset.
+ *
+ * Takes an additional reference on the @f'th paged fragment of @skb.
+ */
+static __always_inline void skb_frag_ref(struct sk_buff *skb, int f)
+{
+	__skb_frag_ref(&skb_shinfo(skb)->frags[f]);
+}
+
+bool napi_pp_put_page(netmem_ref netmem);
+
+static __always_inline void skb_page_unref(netmem_ref netmem, bool recycle)
+{
+#ifdef CONFIG_PAGE_POOL
+	if (recycle && napi_pp_put_page(netmem))
+		return;
+#endif
+	put_netmem(netmem);
+}
+
+/**
+ * __skb_frag_unref - release a reference on a paged fragment.
+ * @frag: the paged fragment
+ * @recycle: recycle the page if allocated via page_pool
+ *
+ * Releases a reference on the paged fragment @frag
+ * or recycles the page via the page_pool API.
+ */
+static __always_inline void __skb_frag_unref(skb_frag_t *frag, bool recycle)
+{
+	skb_page_unref(skb_frag_netmem(frag), recycle);
+}
+
+/**
+ * skb_frag_unref - release a reference on a paged fragment of an skb.
+ * @skb: the buffer
+ * @f: the fragment offset
+ *
+ * Releases a reference on the @f'th paged fragment of @skb.
+ */
+static __always_inline void skb_frag_unref(struct sk_buff *skb, int f)
+{
+	struct skb_shared_info *shinfo = skb_shinfo(skb);
+
+	if (!skb_zcopy_managed(skb))
+		__skb_frag_unref(&shinfo->frags[f], skb->pp_recycle);
+}
+
+#endif	/* _LINUX_SKBUFF_REF_H */