diff options
| author | Alexander Aring <alex.aring@gmail.com> | 2014-10-27 17:13:42 +0100 |
|---|---|---|
| committer | Marcel Holtmann <marcel@holtmann.org> | 2014-10-27 18:07:50 +0100 |
| commit | b89c33417ffcc816df5755aec375a16d2657e4d3 (patch) | |
| tree | dab27f4c57518b02ab337aab4a038401870a219a /drivers | |
| parent | at86rf230: use ieee802154_is_valid_psdu_len helper (diff) | |
| download | linux-b89c33417ffcc816df5755aec375a16d2657e4d3.tar.xz linux-b89c33417ffcc816df5755aec375a16d2657e4d3.zip | |
at86rf230: improve receive handling
Current behaviour it to copy the frame inclusive CRC into a skb, then
remove the CRC from the skb. This patch optimizes this by not copying
the CRC at the first place.
Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/ieee802154/at86rf230.c | 10 |
1 files changed, 3 insertions, 7 deletions
diff --git a/drivers/net/ieee802154/at86rf230.c b/drivers/net/ieee802154/at86rf230.c index 368791b28585..a1558385bac9 100644 --- a/drivers/net/ieee802154/at86rf230.c +++ b/drivers/net/ieee802154/at86rf230.c @@ -788,7 +788,7 @@ at86rf230_tx_trac_status(void *context) static void at86rf230_rx(struct at86rf230_local *lp, - const u8 *data, const u8 len) + const u8 *data, const u8 len, const u8 lqi) { struct sk_buff *skb; u8 rx_local_buf[AT86RF2XX_MAX_BUF]; @@ -803,11 +803,7 @@ at86rf230_rx(struct at86rf230_local *lp, } memcpy(skb_put(skb, len), rx_local_buf, len); - - /* We do not put CRC into the frame */ - skb_trim(skb, len - 2); - - ieee802154_rx_irqsafe(lp->hw, skb, rx_local_buf[len]); + ieee802154_rx_irqsafe(lp->hw, skb, lqi); } static void @@ -823,7 +819,7 @@ at86rf230_rx_read_frame_complete(void *context) len = IEEE802154_MTU; } - at86rf230_rx(lp, buf + 2, len); + at86rf230_rx(lp, buf + 2, len - 2, buf[2 + len]); } static void |