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[RFCv2,bluetooth-next,04/21] ieee802154: 6lowpan: fix short addr hash

Message ID 1460055262-4330-5-git-send-email-aar@pengutronix.de (mailing list archive)
State Superseded
Headers show

Commit Message

Alexander Aring April 7, 2016, 6:54 p.m. UTC 
The short address is unique in combination with the panid. This patch
will add the panid for generating an ieee802154 address hash.

Reviewed-by: Stefan Schmidt <stefan@osg.samsung.com>
Signed-off-by: Alexander Aring <aar@pengutronix.de>
---
 net/ieee802154/6lowpan/6lowpan_i.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/net/ieee802154/6lowpan/6lowpan_i.h b/net/ieee802154/6lowpan/6lowpan_i.h
index b4e17a7..b4092a9 100644
--- a/net/ieee802154/6lowpan/6lowpan_i.h
+++ b/net/ieee802154/6lowpan/6lowpan_i.h
@@ -41,7 +41,7 @@  static inline u32 ieee802154_addr_hash(const struct ieee802154_addr *a)
 		return (((__force u64)a->extended_addr) >> 32) ^
 			(((__force u64)a->extended_addr) & 0xffffffff);
 	case IEEE802154_ADDR_SHORT:
-		return (__force u32)(a->short_addr);
+		return (__force u32)(a->short_addr + (a->pan_id << 16));
 	default:
 		return 0;
 	}