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2023-12-08 01573e231f18eb2d99162747186f59511f56b64d

 kernel/include/net/strparser.h
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@@ -1,11 +1,8 @@
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+/* SPDX-License-Identifier: GPL-2.0-only */
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 /*
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  * Stream Parser
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  *
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  * Copyright (c) 2016 Tom Herbert <tom@herbertland.com>
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- *
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- * This program is free software; you can redistribute it and/or modify
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- * it under the terms of the GNU General Public License version 2
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- * as published by the Free Software Foundation.
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  */
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 #ifndef __NET_STRPARSER_H_
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@@ -57,10 +54,24 @@
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 	int offset;
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 };
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+struct _strp_msg {
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+	/* Internal cb structure. struct strp_msg must be first for passing
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+	 * to upper layer.
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+	 */
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+	struct strp_msg strp;
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+	int accum_len;
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+};
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+
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+struct sk_skb_cb {
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+#define SK_SKB_CB_PRIV_LEN 20
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+	unsigned char data[SK_SKB_CB_PRIV_LEN];
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+	struct _strp_msg strp;
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+};
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+
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 static inline struct strp_msg *strp_msg(struct sk_buff *skb)
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 {
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 	return (struct strp_msg *)((void *)skb->cb +
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-		offsetof(struct qdisc_skb_cb, data));
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+		offsetof(struct sk_skb_cb, strp));
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 }
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 /* Structure for an attached lower socket */