65 lines
1.4 KiB
C
65 lines
1.4 KiB
C
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#ifndef _HGIC_SKBUFF_H_
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#define _HGIC_SKBUFF_H_
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <osal/atomic.h>
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#include <osal/string.h>
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#include "list.h"
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struct sk_buff {
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struct sk_buff *next, *prev, *clone;
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uint8 cb[12];
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uint8 *tail;
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uint8 *data;
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uint8 *head;
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uint8 *end;
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/* clear below flags when skb free */
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uint16 len;
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uint16 priority:4, acked: 1, cloned: 1, lmaced: 1, pkt_type: 3, tx: 1, src_in: 1, unreachable:1, rev:3;
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uint64 lifetime;
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void *txinfo;
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void *sta;
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/////////////////////////////////////
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atomic_t users;
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void (*free)(void *free_priv, struct sk_buff *skb);
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void *free_priv;
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};
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uint8 *skb_put(struct sk_buff *skb, uint32 len);
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uint8 *skb_push(struct sk_buff *skb, uint32 len);
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uint8 *skb_pull(struct sk_buff *skb, uint32 len);
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void skb_reserve(struct sk_buff *skb, int len);
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static inline int skb_tailroom(const struct sk_buff *skb)
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{
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return (skb->end - skb->tail);
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}
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static inline unsigned int skb_headroom(const struct sk_buff *skb)
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{
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return skb->data - skb->head;
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}
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static inline int skb_dataroom(const struct sk_buff *skb)
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{
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return (skb->end - skb->data);
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}
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static inline struct sk_buff *skb_get(struct sk_buff *skb)
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{
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atomic_inc(&skb->users);
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return skb;
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}
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void *skb_put_zero(struct sk_buff *skb, unsigned int len);
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void *skb_put_data(struct sk_buff *skb, const void *data, unsigned int len);
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#ifdef __cplusplus
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}
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#endif
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#endif
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