hollalinux
/
linux-sg2042
mirror of https://github.com/sophgo/linux-riscv.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

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>
This commit is contained in:
Alexander Aring 2014-10-27 17:13:42 +01:00 committed by Marcel Holtmann
parent d0e73c4704
commit b89c33417f
1 changed files with 3 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
drivers/net/ieee802154/at86rf230.c
View File

@ -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