index : avr/qmk/ChibiOS	master
	[no description]

aboutsummaryrefslogtreecommitdiffstats

log msg author committer range

path: root/demos/STM32/RT-STM32F407-DISCOVERY

Mode	Name	Size
-rw-r--r--	.cproject	4525	logstatsplain
-rw-r--r--	.project	2767	logstatsplain
-rw-r--r--	Makefile	6106	logstatsplain
-rw-r--r--	chconf.h	16080	logstatsplain
d---------	debug	159	logstatsplain
-rw-r--r--	halconf.h	10401	logstatsplain
-rw-r--r--	main.c	2158	logstatsplain
-rw-r--r--	mcuconf.h	13563	logstatsplain
-rw-r--r--	readme.txt	881	logstatsplain

generated by cgit v1.2.3 (git 2.25.1) at 2025-12-26 22:09:44 +0000

/*
 *	Definitions for the 'struct sk_buff' memory handlers.
 *
 *	Authors:
 *		Alan Cox, <gw4pts@gw4pts.ampr.org>
 *		Florian La Roche, <rzsfl@rz.uni-sb.de>
 *
 *	This program is free software; you can redistribute it and/or
 *	modify it under the terms of the GNU General Public License
 *	as published by the Free Software Foundation; either version
 *	2 of the License, or (at your option) any later version.
 */

#ifndef _VNET_SKBUFF_H
#define _VNET_SKBUFF_H

#include "sys_kernel.h"
#include "spinlock.h"

struct sk_buff;

struct sk_buff_head {
	/* These two members must be first. */
	struct sk_buff	*next;
	struct sk_buff	*prev;

	__u32		qlen;
	spinlock_t	lock;
};



#define MAX_SKB_FRAGS 8 // (65536/PAGE_SIZE + 2)

typedef struct skb_frag_struct skb_frag_t;

struct skb_frag_struct {
    //struct page *page;
    void *page;
	__u16 page_offset;
	__u16 size;
};

/* This data is invariant across clones and lives at
 * the end of the header data, ie. at skb->end.
 */
struct skb_shared_info {
	atomic_t	dataref;
	unsigned int	nr_frags;
	unsigned short	tso_size;
	unsigned short	tso_segs;
	struct sk_buff	*frag_list;
	skb_frag_t	frags[MAX_SKB_FRAGS];
};

struct sk_buff {
	/* These two members must be first. */
	struct sk_buff		*next;
	struct sk_buff		*prev;

	struct sk_buff_head	*list;
        struct net_device       *dev;

	union {
		struct tcphdr	*th;
		struct udphdr	*uh;
		struct icmphdr	*icmph;
		struct igmphdr	*igmph;
		struct iphdr	*ipiph;
		struct ipv6hdr	*ipv6h;
		unsigned char	*raw;
	} h;

	union {
		struct iphdr	*iph;
		struct ipv6hdr	*ipv6h;
		struct arphdr	*arph;
		unsigned char	*raw;
	} nh;

	union {
	  	unsigned char 	*raw;
	} mac;

	unsigned int		len,
                                data_len;
    unsigned char		pkt_type;
	unsigned short		protocol;

	void			(*destructor)(struct sk_buff *skb);

	/* These elements must be at the end, see alloc_skb() for details.  */
	unsigned int		truesize;
	atomic_t		users;
	unsigned char		*head,
				*data,
				*tail,
				*end;
};

extern void	      skb_over_panic(struct sk_buff *skb, int len,
				     void *here);
extern void	      skb_under_panic(struct sk_buff *skb, int len,
				      void *here);

#define skb_shinfo(SKB)		((struct skb_shared_info *)((SKB)->end))

extern void	       __kfree_skb(struct sk_buff *skb);
extern struct sk_buff *alloc_skb(unsigned int size, int priority);
extern struct sk_buff *skb_clone(struct sk_buff *skb, int priority);
extern struct sk_buff *pskb_copy(struct sk_buff *skb, int gfp_mask);
extern struct sk_buff *skb_realloc_headroom(struct sk_buff *skb,
					    unsigned int headroom);
extern struct sk_buff *skb_copy_expand(const struct sk_buff *skb,
				       int newheadroom, int newtailroom,