Commit 7115a968 authored by Alexander Aring's avatar Alexander Aring Committed by Marcel Holtmann
Browse files

6lowpan: iphc: rename add lowpan prefix 



This patch adds a lowpan prefix to each functions which doesn't have
such prefix currently.

Reviewed-by: default avatarStefan Schmidt <stefan@osg.samsung.com>
Signed-off-by: default avatarAlexander Aring <aar@pengutronix.de>
Acked-by: default avatarJukka Rissanen <jukka.rissanen@linux.intel.com>
Signed-off-by: default avatarMarcel Holtmann <marcel@holtmann.org>
parent 353c224e

net/6lowpan/iphc.c

+31 −25
Original line number Diff line number Diff line
@@ -156,7 +156,7 @@ 
#define LOWPAN_IPHC_CID_DCI(cid)	(cid & 0x0f)

#define LOWPAN_IPHC_CID_SCI(cid)	((cid & 0xf0) >> 4)



static inline void iphc_uncompress_eui64_lladdr(struct in6_addr *ipaddr,

static inline void lowpan_iphc_uncompress_eui64_lladdr(struct in6_addr *ipaddr,

						       const void *lladdr)

{

	/* fe:80::XXXX:XXXX:XXXX:XXXX
@@ -172,7 +172,8 @@ static inline void iphc_uncompress_eui64_lladdr(struct in6_addr *ipaddr, 
	ipaddr->s6_addr[8] ^= 0x02;

}



static inline void iphc_uncompress_802154_lladdr(struct in6_addr *ipaddr,

static inline void

lowpan_iphc_uncompress_802154_lladdr(struct in6_addr *ipaddr,

				     const void *lladdr)

{

	const struct ieee802154_addr *addr = lladdr;
@@ -181,7 +182,7 @@ static inline void iphc_uncompress_802154_lladdr(struct in6_addr *ipaddr, 
	switch (addr->mode) {

	case IEEE802154_ADDR_LONG:

		ieee802154_le64_to_be64(eui64, &addr->extended_addr);

		iphc_uncompress_eui64_lladdr(ipaddr, eui64);

		lowpan_iphc_uncompress_eui64_lladdr(ipaddr, eui64);

		break;

	case IEEE802154_ADDR_SHORT:

		/* fe:80::ff:fe00:XXXX
@@ -301,9 +302,10 @@ lowpan_iphc_ctx_get_by_mcast_addr(const struct net_device *dev, 
 *

 * address_mode is the masked value for sam or dam value

 */

static int uncompress_addr(struct sk_buff *skb, const struct net_device *dev,

			   struct in6_addr *ipaddr, u8 address_mode,

			   const void *lladdr)

static int lowpan_iphc_uncompress_addr(struct sk_buff *skb,

				       const struct net_device *dev,

				       struct in6_addr *ipaddr,

				       u8 address_mode, const void *lladdr)

{

	bool fail;
@@ -334,10 +336,10 @@ static int uncompress_addr(struct sk_buff *skb, const struct net_device *dev, 
		fail = false;

		switch (lowpan_dev(dev)->lltype) {

		case LOWPAN_LLTYPE_IEEE802154:

			iphc_uncompress_802154_lladdr(ipaddr, lladdr);

			lowpan_iphc_uncompress_802154_lladdr(ipaddr, lladdr);

			break;

		default:

			iphc_uncompress_eui64_lladdr(ipaddr, lladdr);

			lowpan_iphc_uncompress_eui64_lladdr(ipaddr, lladdr);

			break;

		}

		break;
@@ -360,11 +362,11 @@ static int uncompress_addr(struct sk_buff *skb, const struct net_device *dev, 
/* Uncompress address function for source context

 * based address(non-multicast).

 */

static int uncompress_ctx_addr(struct sk_buff *skb,

static int lowpan_iphc_uncompress_ctx_addr(struct sk_buff *skb,

					   const struct net_device *dev,

					   const struct lowpan_iphc_ctx *ctx,

			       struct in6_addr *ipaddr, u8 address_mode,

			       const void *lladdr)

					   struct in6_addr *ipaddr,

					   u8 address_mode, const void *lladdr)

{

	bool fail;
@@ -395,10 +397,10 @@ static int uncompress_ctx_addr(struct sk_buff *skb, 
		fail = false;

		switch (lowpan_dev(dev)->lltype) {

		case LOWPAN_LLTYPE_IEEE802154:

			iphc_uncompress_802154_lladdr(ipaddr, lladdr);

			lowpan_iphc_uncompress_802154_lladdr(ipaddr, lladdr);

			break;

		default:

			iphc_uncompress_eui64_lladdr(ipaddr, lladdr);

			lowpan_iphc_uncompress_eui64_lladdr(ipaddr, lladdr);

			break;

		}

		ipv6_addr_prefix_copy(ipaddr, &ctx->pfx, ctx->plen);
@@ -665,14 +667,16 @@ int lowpan_header_decompress(struct sk_buff *skb, const struct net_device *dev, 
		}



		pr_debug("SAC bit is set. Handle context based source address.\n");

		err = uncompress_ctx_addr(skb, dev, ci, &hdr.saddr,

					  iphc1 & LOWPAN_IPHC_SAM_MASK, saddr);

		err = lowpan_iphc_uncompress_ctx_addr(skb, dev, ci, &hdr.saddr,

						      iphc1 & LOWPAN_IPHC_SAM_MASK,

						      saddr);

		spin_unlock_bh(&lowpan_dev(dev)->ctx.lock);

	} else {

		/* Source address uncompression */

		pr_debug("source address stateless compression\n");

		err = uncompress_addr(skb, dev, &hdr.saddr,

				      iphc1 & LOWPAN_IPHC_SAM_MASK, saddr);

		err = lowpan_iphc_uncompress_addr(skb, dev, &hdr.saddr,

						  iphc1 & LOWPAN_IPHC_SAM_MASK,

						  saddr);

	}



	/* Check on error of previous branch */
@@ -710,13 +714,15 @@ int lowpan_header_decompress(struct sk_buff *skb, const struct net_device *dev, 


		/* Destination address context based uncompression */

		pr_debug("DAC bit is set. Handle context based destination address.\n");

		err = uncompress_ctx_addr(skb, dev, ci, &hdr.daddr,

					  iphc1 & LOWPAN_IPHC_DAM_MASK, daddr);

		err = lowpan_iphc_uncompress_ctx_addr(skb, dev, ci, &hdr.daddr,

						      iphc1 & LOWPAN_IPHC_DAM_MASK,

						      daddr);

		spin_unlock_bh(&lowpan_dev(dev)->ctx.lock);

		break;

	default:

		err = uncompress_addr(skb, dev, &hdr.daddr,

				      iphc1 & LOWPAN_IPHC_DAM_MASK, daddr);

		err = lowpan_iphc_uncompress_addr(skb, dev, &hdr.daddr,

						  iphc1 & LOWPAN_IPHC_DAM_MASK,

						  daddr);

		pr_debug("dest: stateless compression mode %d dest %pI6c\n",

			 iphc1 & LOWPAN_IPHC_DAM_MASK, &hdr.daddr);

		break;

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