This patch adds a IEEE802154_FCS_LEN for the frame check sequence also called CRC which is inside the MFR (MAC Footer). Signed-off-by: Alexander Aring <alex.aring@xxxxxxxxx> --- include/linux/ieee802154.h | 1 + net/mac802154/util.c | 3 ++- 2 files changed, 3 insertions(+), 1 deletion(-) diff --git a/include/linux/ieee802154.h b/include/linux/ieee802154.h index f26682e..8872ca1 100644 --- a/include/linux/ieee802154.h +++ b/include/linux/ieee802154.h @@ -30,6 +30,7 @@ #define IEEE802154_MTU 127 #define IEEE802154_ACK_PSDU_LEN 5 #define IEEE802154_MIN_PSDU_LEN 9 +#define IEEE802154_FCS_LEN 2 #define IEEE802154_PAN_ID_BROADCAST 0xffff #define IEEE802154_ADDR_SHORT_BROADCAST 0xffff diff --git a/net/mac802154/util.c b/net/mac802154/util.c index dad966c..150bf80 100644 --- a/net/mac802154/util.c +++ b/net/mac802154/util.c @@ -72,7 +72,8 @@ void ieee802154_xmit_complete(struct ieee802154_hw *hw, struct sk_buff *skb, * part of skb->len. */ if (hw->flags & IEEE802154_HW_TX_OMIT_CKSUM) - max_sifs_size = IEEE802154_MAX_SIFS_FRAME_SIZE - 2; + max_sifs_size = IEEE802154_MAX_SIFS_FRAME_SIZE - + IEEE802154_FCS_LEN; else max_sifs_size = IEEE802154_MAX_SIFS_FRAME_SIZE; -- 2.3.0 -- To unsubscribe from this list: send the line "unsubscribe linux-wpan" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html