/* * Definitions for the 'struct sk_buff' memory handlers in U-Boot. * * (C) Copyright 2003 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. * * See file CREDITS for list of people who contributed to this * project. * * 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. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, * MA 02111-1307 USA */#include <config.h>#ifdef CONFIG_SK98#include <common.h>#include "u-boot_compat.h"#define MAX_SKB		50static struct sk_buff *sk_table[MAX_SKB];struct sk_buff * alloc_skb(u32 size, int dummy){	int i;	struct sk_buff * ret = NULL;	for (i = 0; i < MAX_SKB; i++)	{		if (sk_table[i])		{				/* Already allocated.				 */			continue;		}		sk_table[i] = malloc(sizeof(struct sk_buff));		if (! sk_table[i])		{			printf("alloc_skb: malloc failed\n");			break;		}		memset(sk_table[i], 0, sizeof(struct sk_buff));		sk_table[i]->data = sk_table[i]->data_unaligned =		                                            malloc(size + 16);		if (! sk_table[i]->data)		{			printf("alloc_skb: malloc failed\n");			free(sk_table[i]);			sk_table[i] = NULL;			break;		}		sk_table[i]->data += 16 - ((u32)sk_table[i]->data & 15);		sk_table[i]->len = size;		break;	}	if (i < MAX_SKB)	{		ret = sk_table[i];	}	if (! ret)	{		printf("Unable to allocate skb!\n");	}	return ret;}void dev_kfree_skb_any(struct sk_buff *skb){	int i;	for (i = 0; i < MAX_SKB; i++)	{		if (sk_table[i] != skb)		{			continue;		}		free(skb->data_unaligned);		free(skb);		sk_table[i] = NULL;		break;	}	if (i == MAX_SKB)	{		printf("SKB allocation error!\n");	}}void skb_reserve(struct sk_buff *skb, unsigned int len){	skb->data+=len;}void skb_put(struct sk_buff *skb, unsigned int len){	skb->len+=len;}#endif /* CONFIG_SK98 */