OpenCloudOS-Kernel/include/linux/dsa
Yangbo Lu c4b364ce12 net: dsa: free skb->cb usage in core driver
Free skb->cb usage in core driver and let device drivers decide to
use or not. The reason having a DSA_SKB_CB(skb)->clone was because
dsa_skb_tx_timestamp() which may set the clone pointer was called
before p->xmit() which would use the clone if any, and the device
driver has no way to initialize the clone pointer.

This patch just put memset(skb->cb, 0, sizeof(skb->cb)) at beginning
of dsa_slave_xmit(). Some new features in the future, like one-step
timestamp may need more bytes of skb->cb to use in
dsa_skb_tx_timestamp(), and p->xmit().

Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
Acked-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-04-27 14:10:15 -07:00
..
8021q.h net: dsa: tag_8021q: add helpers to deduce whether a VLAN ID is RX or TX VLAN 2021-01-29 21:24:30 -08:00
brcm.h net: dsa: move the Broadcom tag information in a separate header file 2021-01-07 15:42:07 -08:00
lan9303.h net: dsa: lan9303: phy_addr_sel_strap rename and retype 2018-01-04 13:35:07 -05:00
loop.h net: dsa: loop: Wire-up MTU callbacks 2020-08-03 18:19:23 -07:00
ocelot.h net: ocelot: Remove ocelot_xfh_get_cpuq 2021-03-16 15:49:52 -07:00
sja1105.h net: dsa: free skb->cb usage in core driver 2021-04-27 14:10:15 -07:00