This patch adds a define for the max sifs frame size value and frame check sequence according to 802.15.4 standard. Signed-off-by: Alexander Aring <alex.aring@xxxxxxxxx> --- include/linux/ieee802154.h | 2 ++ net/mac802154/util.c | 5 +++-- 2 files changed, 5 insertions(+), 2 deletions(-) diff --git a/include/linux/ieee802154.h b/include/linux/ieee802154.h index 40b0ab9..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 @@ -39,6 +40,7 @@ #define IEEE802154_LIFS_PERIOD 40 #define IEEE802154_SIFS_PERIOD 12 +#define IEEE802154_MAX_SIFS_FRAME_SIZE 18 #define IEEE802154_MAX_CHANNEL 26 #define IEEE802154_MAX_PAGE 31 diff --git a/net/mac802154/util.c b/net/mac802154/util.c index 04e13d9..150bf80 100644 --- a/net/mac802154/util.c +++ b/net/mac802154/util.c @@ -72,9 +72,10 @@ 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 = 16; + max_sifs_size = IEEE802154_MAX_SIFS_FRAME_SIZE - + IEEE802154_FCS_LEN; else - max_sifs_size = 18; + max_sifs_size = IEEE802154_MAX_SIFS_FRAME_SIZE; if (skb->len > max_sifs_size) hrtimer_start(&local->ifs_timer, -- 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
