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authorAlexander Aring <alex.aring@gmail.com>2015-10-20 08:31:23 +0200
committerMarcel Holtmann <marcel@holtmann.org>2015-10-21 00:49:25 +0200
commit028b2a8c16c7c6a482075fe42275a44fbe5463fa (patch)
tree2529106be8a56eb47763fb316b81281b6b916568
parent6350047eb8dbd3dcf0ff29a637ece96db8f59d8d (diff)
downloadop-kernel-dev-028b2a8c16c7c6a482075fe42275a44fbe5463fa.zip
op-kernel-dev-028b2a8c16c7c6a482075fe42275a44fbe5463fa.tar.gz
6lowpan: remove lowpan_is_addr_broadcast
This macro is used at 802.15.4 6LoWPAN only and can be replaced by memcmp with the interface broadcast address. Signed-off-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
-rw-r--r--include/net/6lowpan.h10
-rw-r--r--net/ieee802154/6lowpan/tx.c2
2 files changed, 1 insertions, 11 deletions
diff --git a/include/net/6lowpan.h b/include/net/6lowpan.h
index f127a92..cf3bc56 100644
--- a/include/net/6lowpan.h
+++ b/include/net/6lowpan.h
@@ -74,16 +74,6 @@
LOWPAN_IPHC_MAX_HEADER_LEN + \
LOWPAN_NHC_MAX_HDR_LEN)
-#define lowpan_is_addr_broadcast(a) \
- ((((a)[0]) == 0xFF) && \
- (((a)[1]) == 0xFF) && \
- (((a)[2]) == 0xFF) && \
- (((a)[3]) == 0xFF) && \
- (((a)[4]) == 0xFF) && \
- (((a)[5]) == 0xFF) && \
- (((a)[6]) == 0xFF) && \
- (((a)[7]) == 0xFF))
-
#define LOWPAN_DISPATCH_IPV6 0x41 /* 01000001 = 65 */
#define LOWPAN_DISPATCH_IPHC 0x60 /* 011xxxxx = ... */
#define LOWPAN_DISPATCH_IPHC_MASK 0xe0
diff --git a/net/ieee802154/6lowpan/tx.c b/net/ieee802154/6lowpan/tx.c
index f6594a8..d4353fa 100644
--- a/net/ieee802154/6lowpan/tx.c
+++ b/net/ieee802154/6lowpan/tx.c
@@ -238,7 +238,7 @@ static int lowpan_header(struct sk_buff *skb, struct net_device *ldev,
/* if the destination address is the broadcast address, use the
* corresponding short address
*/
- if (lowpan_is_addr_broadcast((const u8 *)daddr)) {
+ if (!memcmp(daddr, ldev->broadcast, EUI64_ADDR_LEN)) {
da.mode = IEEE802154_ADDR_SHORT;
da.short_addr = cpu_to_le16(IEEE802154_ADDR_BROADCAST);
cb->ackreq = false;
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