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mac802154: rx: add software checksum filtering check

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This patch adds a new hardware flag which indicate that the transceiver
doesn't support check for bad checksum via hardware. Also add a handling of
this while receive.

Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
This commit is contained in:
Alexander Aring
2014-10-29 21:34:37 +01:00
committed by Marcel Holtmann
parent b7889497d3
commit ec718f3db9
2 changed files with 15 additions and 2 deletions
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2
include/net/mac802154.h
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@@ -96,6 +96,8 @@ struct ieee802154_hw {
#define IEEE802154_HW_PROMISCUOUS 0x00000200
/* Indicates that receiver omits FCS. */
#define IEEE802154_HW_RX_OMIT_CKSUM 0x00000400
/* Indicates that receiver will not filter frames with bad checksum. */
#define IEEE802154_HW_RX_DROP_BAD_CKSUM 0x00000800
/* Indicates that receiver omits FCS and xmitter will add FCS on it's own. */
#define IEEE802154_HW_OMIT_CKSUM (IEEE802154_HW_TX_OMIT_CKSUM | \