Eric Dumazet 4147558625 net/packet: make tp_drops atomic ...

mainline inclusion
from mainline-v5.3-rc1
commit 8e8e2951e3095732d7e780c241f61ea130955a57
category: bugfix
bugzilla: NA
CVE: CVE-2020-14386

Prepare for fixing CVE-2020-14386.
--------------------------------

Under DDOS, we want to be able to increment tp_drops without
touching the spinlock. This will help readers to drain
the receive queue slightly faster :/

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Reviewed-by: Yue Haibing <yuehaibing@huawei.com>
Reviewed-by: Jason Yan <yanaijie@huawei.com>
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Signed-off-by: Yu Changchun <yuchangchun1@huawei.com>

2020-11-14 16:00:50 +08:00

..

af_packet.c

net/packet: make tp_drops atomic

2020-11-14 16:00:50 +08:00

diag.c

packet: pdiag_put_ring() should return TX_RING info for TPACKET_V3

2017-01-10 21:02:42 -05:00

internal.h

net/packet: make tp_drops atomic

2020-11-14 16:00:50 +08:00

Kconfig

packet: Diag core and basic socket info dumping

2012-08-14 16:56:33 -07:00

Makefile

packet: Diag core and basic socket info dumping

2012-08-14 16:56:33 -07:00