It looks like for Centos6.4, there is an upstream openvswitch
kernel module already installed. When we try to install kmod-openvswitch
package from this tree's pre-1.10 branches, we get the following warning:
"brcompat.ko needs unknown symbol ovs_dp_ioctl_hook".
Also, after installing the kmod-ope
On Sat, 2013-03-30 at 12:31 -0700, Eric Dumazet wrote:
> By the way, only dev->rx_handler needs to be RCU protected.
>
> The patch send yesterday make the second rcu_dereference() (to get
> rx_handler_data) totally irrelevant.
I'll send patch when yesterday fix is merged into net-next.
___
Sat, Mar 30, 2013 at 08:24:04PM CET, rost...@goodmis.org wrote:
>
>
>Jiri Pirko wrote:
>
>>No need to have two pointers in struct netdevice for rx_handler func
>>and
>>priv data. Just embed rx_handler structure into driver port_priv and
>>have ->func pointer there. This introduces no performance p
On Sat, 2013-03-30 at 12:28 -0700, Eric Dumazet wrote:
> On Sat, 2013-03-30 at 18:13 +0100, Jiri Pirko wrote:
>
> > Well, not entirely true, depends on arch.
> >
>
> Are you really trying to obfuscate stack because of Alpha architecture ?
By the way, only dev->rx_handler needs to be RCU protec
On Sat, 2013-03-30 at 18:13 +0100, Jiri Pirko wrote:
> Well, not entirely true, depends on arch.
>
Are you really trying to obfuscate stack because of Alpha architecture ?
Really, a bit of stability in this code is welcome.
Lets fix existing bugs instead of possibly add new ones.
__
Jiri Pirko wrote:
>No need to have two pointers in struct netdevice for rx_handler func
>and
>priv data. Just embed rx_handler structure into driver port_priv and
>have ->func pointer there. This introduces no performance penalty,
>reduces struct netdevice by one pointer and reduces number of n
On Fri, Mar 29, 2013 at 11:36 PM, Tianpeng Zhang (Gmail)
wrote:
> Yes, from following trace, DRBD and OVS block each other and enter into
> deadlock.
> It seems someone sent a patch years ago to refine genl global lock as family
> granularity. So change the DRBD or OVS's genl family to different o
Sat, Mar 30, 2013 at 05:23:08PM CET, eric.duma...@gmail.com wrote:
>On Sat, 2013-03-30 at 16:57 +0100, Jiri Pirko wrote:
>> No need to have two pointers in struct netdevice for rx_handler func and
>> priv data. Just embed rx_handler structure into driver port_priv and
>> have ->func pointer there.
On Sat, 2013-03-30 at 16:57 +0100, Jiri Pirko wrote:
> No need to have two pointers in struct netdevice for rx_handler func and
> priv data. Just embed rx_handler structure into driver port_priv and
> have ->func pointer there. This introduces no performance penalty,
> reduces struct netdevice by o
openvswitch needs vxlan header len.
Signed-off-by: Pravin B Shelar
---
drivers/net/vxlan.c |6 --
include/net/vxlan.h |8
2 files changed, 8 insertions(+), 6 deletions(-)
diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c
index 11c1f69..3fc999e 100644
--- a/drivers/net/
This is used by openvswitch for building vxlan packet.
Signed-off-by: Pravin B Shelar
---
drivers/net/vxlan.c | 72 +++---
include/net/vxlan.h |3 ++
2 files changed, 48 insertions(+), 27 deletions(-)
diff --git a/drivers/net/vxlan.c b/drivers/n
openvswitch needs this function tunnel_src_port() to generate
udp source port number for vxlan packet.
Signed-off-by: Pravin B Shelar
---
drivers/net/vxlan.c | 20 +---
include/net/ip_tunnels.h |1 +
net/ipv4/ip_tunnel.c | 19 +++
3 files changed,
Add vxlan multiplexer for vxlan packet handler. This is required for
openvswitch vxlan support.
Signed-off-by: Pravin B Shelar
---
drivers/net/vxlan.c | 208 ++-
include/net/vxlan.h | 17
2 files changed, 172 insertions(+), 53 deletions(-)
This is required for OVS GRE offloading.
Signed-off-by: Pravin B Shelar
---
include/net/gre.h |1 +
net/ipv4/gre.c| 29 +
net/ipv4/ip_gre.c | 34 ++
3 files changed, 32 insertions(+), 32 deletions(-)
diff --git a/include/ne
This is required for ovs gre module.
Signed-off-by: Pravin B Shelar
---
include/net/gre.h |2 ++
net/ipv4/gre.c| 32
net/ipv4/ip_gre.c | 41 +
3 files changed, 35 insertions(+), 40 deletions(-)
diff --git a/inc
Currently gre modules allows one handler per GRE protocol.
Following patch extend gre module registration by adding api
to register multiple handler for GRE protocol.
This allows OVS and linux gre devices co-exist at same time.
Signed-off-by: Pravin B Shelar
---
include/net/gre.h | 24 ++
Following patches add functions to kernel tunneling modules so that
there is better code sharing between OVS and kernel netdevice based
tunneling. functions are added for protocol demultiplexer and for
building packer for sending it over tunnel.
Pravin B Shelar (7):
GRE: Extend GRE registration
No need to have two pointers in struct netdevice for rx_handler func and
priv data. Just embed rx_handler structure into driver port_priv and
have ->func pointer there. This introduces no performance penalty,
reduces struct netdevice by one pointer and reduces number of needed
rcu_dereference calls
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