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Enables CAN networking subsystem (introduced Linux 2.6.25 2008-04-17), to

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support SPI in container environment (introduced Linux 4.12 2017-06-02).

Abstraction define interface EP for CAN module in containered environment. This
namespace is available and introduced with Linux Kernel 4.12 by M.  Kicherer
and later O. Hartkopp, to allow containers bridging such device.

@see linux-kernel/net/can@fc4c581

Although KSPP did not explicilty noted `CAN` as secure kernel flag, this
would aim to bring such conclusion. As for security concerns, CAN protocol did
not yield any user-land or host-level vulnerabilities since introduced as
SocketCAN module in Linux Kernel. Lower-layer [protocol] standards is not
secured by default since applications are supposed to implement their own
security mechanism.

This global abstraction currently supports CAN raw, proc and af_can
codes. Does not support GW and BCM. Namespace uses _NEWNET on pseudo-file
system.  Allows modprobe to environment, works by recv `pnet` for the given
interface.

Signed-off-by: Halis Duraki <duraki@linuxmail.org>
This commit is contained in:
duraki 2018-08-31 13:22:19 +02:00
parent 262e6ed3ec
commit 1a23054800
1 changed files with 1 additions and 1 deletions
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2
projects/clear-containers/kernel/kernel_config
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@ -986,7 +986,7 @@ CONFIG_NET_FLOW_LIMIT=y
#
# CONFIG_NET_PKTGEN is not set
# CONFIG_HAMRADIO is not set
# CONFIG_CAN is not set
CONFIG_CAN=y
# CONFIG_IRDA is not set
# CONFIG_BT is not set
# CONFIG_AF_RXRPC is not set