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nt9856x/code/driver/source/net/bcmdhd.100.10.545.x/include/linux_pkt.h
payton 543d2da268 1.一次S530代码提交
2023-03-28 15:07:53 +08:00

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/*
* Linux Packet (skb) interface
*
* Copyright (C) 1999-2019, Broadcom.
*
* Unless you and Broadcom execute a separate written software license
* agreement governing use of this software, this software is licensed to you
* under the terms of the GNU General Public License version 2 (the "GPL"),
* available at http://www.broadcom.com/licenses/GPLv2.php, with the
* following added to such license:
*
* As a special exception, the copyright holders of this software give you
* permission to link this software with independent modules, and to copy and
* distribute the resulting executable under terms of your choice, provided that
* you also meet, for each linked independent module, the terms and conditions of
* the license of that module. An independent module is a module which is not
* derived from this software. The special exception does not apply to any
* modifications of the software.
*
* Notwithstanding the above, under no circumstances may you combine this
* software in any way with any other Broadcom software provided under a license
* other than the GPL, without Broadcom's express prior written consent.
*
*
* <<Broadcom-WL-IPTag/Open:>>
*
* $Id: linux_pkt.h 701430 2017-05-25 00:03:02Z $
*/
#ifndef _linux_pkt_h_
#define _linux_pkt_h_
#include <typedefs.h>
#ifdef __ARM_ARCH_7A__
#define PKT_HEADROOM_DEFAULT NET_SKB_PAD /**< NET_SKB_PAD is defined in a linux kernel header */
#else
#define PKT_HEADROOM_DEFAULT 16
#endif /* __ARM_ARCH_7A__ */
#ifdef BCMDRIVER
/*
* BINOSL selects the slightly slower function-call-based binary compatible osl.
* Macros expand to calls to functions defined in linux_osl.c .
*/
/* Because the non BINOSL implemenation of the PKT OSL routines are macros (for
* performance reasons), we need the Linux headers.
*/
#include <linuxver.h>
/* packet primitives */
#ifdef BCM_OBJECT_TRACE
#define PKTGET(osh, len, send) linux_pktget((osh), (len), __LINE__, __FUNCTION__)
#define PKTDUP(osh, skb) osl_pktdup((osh), (skb), __LINE__, __FUNCTION__)
#else
#define PKTGET(osh, len, send) linux_pktget((osh), (len))
#define PKTDUP(osh, skb) osl_pktdup((osh), (skb))
#endif /* BCM_OBJECT_TRACE */
#define PKTLIST_DUMP(osh, buf) BCM_REFERENCE(osh)
#define PKTDBG_TRACE(osh, pkt, bit) BCM_REFERENCE(osh)
#if defined(BCM_OBJECT_TRACE)
#define PKTFREE(osh, skb, send) linux_pktfree((osh), (skb), (send), __LINE__, __FUNCTION__)
#else
#define PKTFREE(osh, skb, send) linux_pktfree((osh), (skb), (send))
#endif /* BCM_OBJECT_TRACE */
#ifdef CONFIG_DHD_USE_STATIC_BUF
#define PKTGET_STATIC(osh, len, send) osl_pktget_static((osh), (len))
#define PKTFREE_STATIC(osh, skb, send) osl_pktfree_static((osh), (skb), (send))
#else
#define PKTGET_STATIC PKTGET
#define PKTFREE_STATIC PKTFREE
#endif /* CONFIG_DHD_USE_STATIC_BUF */
#define PKTDATA(osh, skb) ({BCM_REFERENCE(osh); (((struct sk_buff*)(skb))->data);})
#define PKTLEN(osh, skb) ({BCM_REFERENCE(osh); (((struct sk_buff*)(skb))->len);})
#define PKTHEAD(osh, skb) ({BCM_REFERENCE(osh); (((struct sk_buff*)(skb))->head);})
#define PKTSETHEAD(osh, skb, h) ({BCM_REFERENCE(osh); \
(((struct sk_buff *)(skb))->head = (h));})
#define PKTHEADROOM(osh, skb) (PKTDATA(osh, skb)-(((struct sk_buff*)(skb))->head))
#define PKTEXPHEADROOM(osh, skb, b) \
({ \
BCM_REFERENCE(osh); \
skb_realloc_headroom((struct sk_buff*)(skb), (b)); \
})
#define PKTTAILROOM(osh, skb) \
({ \
BCM_REFERENCE(osh); \
skb_tailroom((struct sk_buff*)(skb)); \
})
#define PKTPADTAILROOM(osh, skb, padlen) \
({ \
BCM_REFERENCE(osh); \
skb_pad((struct sk_buff*)(skb), (padlen)); \
})
#define PKTNEXT(osh, skb) ({BCM_REFERENCE(osh); (((struct sk_buff*)(skb))->next);})
#define PKTSETNEXT(osh, skb, x) \
({ \
BCM_REFERENCE(osh); \
(((struct sk_buff*)(skb))->next = (struct sk_buff*)(x)); \
})
#define PKTSETLEN(osh, skb, len) \
({ \
BCM_REFERENCE(osh); \
__skb_trim((struct sk_buff*)(skb), (len)); \
})
#define PKTPUSH(osh, skb, bytes) \
({ \
BCM_REFERENCE(osh); \
skb_push((struct sk_buff*)(skb), (bytes)); \
})
#define PKTPULL(osh, skb, bytes) \
({ \
BCM_REFERENCE(osh); \
skb_pull((struct sk_buff*)(skb), (bytes)); \
})
#define PKTTAG(skb) ((void*)(((struct sk_buff*)(skb))->cb))
#define PKTSETPOOL(osh, skb, x, y) BCM_REFERENCE(osh)
#define PKTPOOL(osh, skb) ({BCM_REFERENCE(osh); BCM_REFERENCE(skb); FALSE;})
#define PKTFREELIST(skb) PKTLINK(skb)
#define PKTSETFREELIST(skb, x) PKTSETLINK((skb), (x))
#define PKTPTR(skb) (skb)
#define PKTID(skb) ({BCM_REFERENCE(skb); 0;})
#define PKTSETID(skb, id) ({BCM_REFERENCE(skb); BCM_REFERENCE(id);})
#define PKTSHRINK(osh, m) ({BCM_REFERENCE(osh); m;})
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 6, 0)) && defined(TSQ_MULTIPLIER)
#define PKTORPHAN(skb, tsq) osl_pkt_orphan_partial(skb, tsq)
extern void osl_pkt_orphan_partial(struct sk_buff *skb, int tsq);
#else
#define PKTORPHAN(skb, tsq) ({BCM_REFERENCE(skb); 0;})
#endif /* LINUX VERSION >= 3.6 */
#define PKTSETFAST(osh, skb) ({BCM_REFERENCE(osh); BCM_REFERENCE(skb);})
#define PKTCLRFAST(osh, skb) ({BCM_REFERENCE(osh); BCM_REFERENCE(skb);})
#define PKTISFAST(osh, skb) ({BCM_REFERENCE(osh); BCM_REFERENCE(skb); FALSE;})
#define PKTSETCTF(osh, skb) ({BCM_REFERENCE(osh); BCM_REFERENCE(skb);})
#define PKTCLRCTF(osh, skb) ({BCM_REFERENCE(osh); BCM_REFERENCE(skb);})
#define PKTISCTF(osh, skb) ({BCM_REFERENCE(osh); BCM_REFERENCE(skb); FALSE;})
#define PKTSETSKIPCT(osh, skb) ({BCM_REFERENCE(osh); BCM_REFERENCE(skb);})
#define PKTCLRSKIPCT(osh, skb) ({BCM_REFERENCE(osh); BCM_REFERENCE(skb);})
#define PKTSKIPCT(osh, skb) ({BCM_REFERENCE(osh); BCM_REFERENCE(skb);})
#define CTF_MARK(m) ({BCM_REFERENCE(m); 0;})
#define PKTFRAGLEN(osh, lb, ix) (0)
#define PKTSETFRAGLEN(osh, lb, ix, len) BCM_REFERENCE(osh)
#define PKTSETFWDERBUF(osh, skb) ({ BCM_REFERENCE(osh); BCM_REFERENCE(skb); })
#define PKTCLRFWDERBUF(osh, skb) ({ BCM_REFERENCE(osh); BCM_REFERENCE(skb); })
#define PKTISFWDERBUF(osh, skb) ({ BCM_REFERENCE(osh); BCM_REFERENCE(skb); FALSE;})
#define PKTSETTOBR(osh, skb) ({BCM_REFERENCE(osh); BCM_REFERENCE(skb);})
#define PKTCLRTOBR(osh, skb) ({BCM_REFERENCE(osh); BCM_REFERENCE(skb);})
#define PKTISTOBR(skb) ({BCM_REFERENCE(skb); FALSE;})
#ifdef BCMFA
#ifdef BCMFA_HW_HASH
#define PKTSETFAHIDX(skb, idx) (((struct sk_buff*)(skb))->napt_idx = idx)
#else
#define PKTSETFAHIDX(skb, idx) ({BCM_REFERENCE(skb); BCM_REFERENCE(idx);})
#endif /* BCMFA_SW_HASH */
#define PKTGETFAHIDX(skb) (((struct sk_buff*)(skb))->napt_idx)
#define PKTSETFADEV(skb, imp) (((struct sk_buff*)(skb))->dev = imp)
#define PKTSETRXDEV(skb) (((struct sk_buff*)(skb))->rxdev = ((struct sk_buff*)(skb))->dev)
#define AUX_TCP_FIN_RST (1 << 0)
#define AUX_FREED (1 << 1)
#define PKTSETFAAUX(skb) (((struct sk_buff*)(skb))->napt_flags |= AUX_TCP_FIN_RST)
#define PKTCLRFAAUX(skb) (((struct sk_buff*)(skb))->napt_flags &= (~AUX_TCP_FIN_RST))
#define PKTISFAAUX(skb) (((struct sk_buff*)(skb))->napt_flags & AUX_TCP_FIN_RST)
#define PKTSETFAFREED(skb) (((struct sk_buff*)(skb))->napt_flags |= AUX_FREED)
#define PKTCLRFAFREED(skb) (((struct sk_buff*)(skb))->napt_flags &= (~AUX_FREED))
#define PKTISFAFREED(skb) (((struct sk_buff*)(skb))->napt_flags & AUX_FREED)
#define PKTISFABRIDGED(skb) PKTISFAAUX(skb)
#else
#define PKTISFAAUX(skb) ({BCM_REFERENCE(skb); FALSE;})
#define PKTISFABRIDGED(skb) ({BCM_REFERENCE(skb); FALSE;})
#define PKTISFAFREED(skb) ({BCM_REFERENCE(skb); FALSE;})
#define PKTCLRFAAUX(skb) BCM_REFERENCE(skb)
#define PKTSETFAFREED(skb) BCM_REFERENCE(skb)
#define PKTCLRFAFREED(skb) BCM_REFERENCE(skb)
#endif /* BCMFA */
#if defined(BCM_OBJECT_TRACE)
extern void linux_pktfree(osl_t *osh, void *skb, bool send, int line, const char *caller);
#else
extern void linux_pktfree(osl_t *osh, void *skb, bool send);
#endif /* BCM_OBJECT_TRACE */
extern void *osl_pktget_static(osl_t *osh, uint len);
extern void osl_pktfree_static(osl_t *osh, void *skb, bool send);
extern void osl_pktclone(osl_t *osh, void **pkt);
#ifdef BCM_OBJECT_TRACE
extern void *linux_pktget(osl_t *osh, uint len, int line, const char *caller);
extern void *osl_pktdup(osl_t *osh, void *skb, int line, const char *caller);
#else
extern void *linux_pktget(osl_t *osh, uint len);
extern void *osl_pktdup(osl_t *osh, void *skb);
#endif /* BCM_OBJECT_TRACE */
extern void *osl_pkt_frmnative(osl_t *osh, void *skb);
extern struct sk_buff *osl_pkt_tonative(osl_t *osh, void *pkt);
#define PKTFRMNATIVE(osh, skb) osl_pkt_frmnative(((osl_t *)osh), (struct sk_buff*)(skb))
#define PKTTONATIVE(osh, pkt) osl_pkt_tonative((osl_t *)(osh), (pkt))
#define PKTLINK(skb) (((struct sk_buff*)(skb))->prev)
#define PKTSETLINK(skb, x) (((struct sk_buff*)(skb))->prev = (struct sk_buff*)(x))
#define PKTPRIO(skb) (((struct sk_buff*)(skb))->priority)
#define PKTSETPRIO(skb, x) (((struct sk_buff*)(skb))->priority = (x))
#define PKTSUMNEEDED(skb) (((struct sk_buff*)(skb))->ip_summed == CHECKSUM_HW)
#define PKTSETSUMGOOD(skb, x) (((struct sk_buff*)(skb))->ip_summed = \
((x) ? CHECKSUM_UNNECESSARY : CHECKSUM_NONE))
/* PKTSETSUMNEEDED and PKTSUMGOOD are not possible because skb->ip_summed is overloaded */
#define PKTSHARED(skb) (((struct sk_buff*)(skb))->cloned)
#ifdef CONFIG_NF_CONNTRACK_MARK
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 0))
#define PKTMARK(p) (((struct sk_buff *)(p))->mark)
#define PKTSETMARK(p, m) ((struct sk_buff *)(p))->mark = (m)
#else /* !2.6.0 */
#define PKTMARK(p) (((struct sk_buff *)(p))->nfmark)
#define PKTSETMARK(p, m) ((struct sk_buff *)(p))->nfmark = (m)
#endif /* 2.6.0 */
#else /* CONFIG_NF_CONNTRACK_MARK */
#define PKTMARK(p) 0
#define PKTSETMARK(p, m)
#endif /* CONFIG_NF_CONNTRACK_MARK */
#define PKTALLOCED(osh) osl_pktalloced(osh)
extern uint osl_pktalloced(osl_t *osh);
#endif /* BCMDRIVER */
#endif /* _linux_pkt_h_ */
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