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2008-04-15CAN: use hrtimers in can-bcm protocolOliver Hartkopp1-121/+130
Make use of hrtimers to support high resolution capabilities, when provided by the system clocksource. The conversion to hrtimers additionally discovered and solved an unlikely race condition that has been reproduced under (unrealistic) massive receive load, which can only be produced on vcan software devices. [ Fix printf format warnings on 64-bit -DaveM ] Signed-off-by: Oliver Hartkopp <oliver@hartkopp.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-03-26[NET] NETNS: Omit net_device->nd_net without CONFIG_NET_NS.YOSHIFUJI Hideaki3-4/+4
Introduce per-net_device inlines: dev_net(), dev_net_set(). Without CONFIG_NET_NS, no namespace other than &init_net exists. Let's explicitly define them to help compiler optimizations. Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
2008-02-07[CAN]: Minor clean-upsUrs Thuermann1-15/+9
Remove unneeded variable. Rename local variable error to err like in all other places. Some white-space changes. Signed-off-by: Urs Thuermann <urs.thuermann@volkswagen.de> Signed-off-by: Oliver Hartkopp <oliver.hartkopp@volkswagen.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-02-07[CAN]: Move proto_{,un}register() out of spin-locked regionUrs Thuermann1-13/+14
The implementation of proto_register() has changed so that it can now sleep. The call to proto_register() must be moved out of the spin-locked region. Signed-off-by: Urs Thuermann <urs.thuermann@volkswagen.de> Signed-off-by: Oliver Hartkopp <oliver.hartkopp@volkswagen.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-02-07[CAN]: Clean up module auto loadingUrs Thuermann1-12/+6
Remove local char array to construct module name. Don't call request_module() when CONFIG_KMOD is not set. Signed-off-by: Urs Thuermann <urs.thuermann@volkswagen.de> Signed-off-by: Oliver Hartkopp <oliver.hartkopp@volkswagen.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-01-28[CAN]: Add virtual CAN netdevice driverOliver Hartkopp1-0/+3
This patch adds the virtual CAN bus (vcan) network driver. The vcan device is just a loopback device for CAN frames, no real CAN hardware is involved. Signed-off-by: Oliver Hartkopp <oliver.hartkopp@volkswagen.de> Signed-off-by: Urs Thuermann <urs.thuermann@volkswagen.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-01-28[CAN]: Add broadcast manager (bcm) protocolOliver Hartkopp3-0/+1577
This patch adds the CAN broadcast manager (bcm) protocol. Signed-off-by: Oliver Hartkopp <oliver.hartkopp@volkswagen.de> Signed-off-by: Urs Thuermann <urs.thuermann@volkswagen.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-01-28[CAN]: Add raw protocolOliver Hartkopp3-0/+777
This patch adds the CAN raw protocol. Signed-off-by: Oliver Hartkopp <oliver.hartkopp@volkswagen.de> Signed-off-by: Urs Thuermann <urs.thuermann@volkswagen.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-01-28[CAN]: Add PF_CAN core moduleOliver Hartkopp5-0/+1539
This patch adds the CAN core functionality but no protocols or drivers. No protocol implementations are included here. They come as separate patches. Protocol numbers are already in include/linux/can.h. Signed-off-by: Oliver Hartkopp <oliver.hartkopp@volkswagen.de> Signed-off-by: Urs Thuermann <urs.thuermann@volkswagen.de> Signed-off-by: David S. Miller <davem@davemloft.net>
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