Hyper-V Sockets (hv_sock) supplies a byte-stream based communication
mechanism between the host and the guest. It's somewhat like TCP over
VMBus, but the transportation layer (VMBus) is much simpler than IP.
With Hyper-V Sockets, applications between the host and the guest can talk
to each other d
From: Hannes Frederic Sowa
Date: Thu, 7 Apr 2016 23:53:35 +0200
> I forgot to add inline to lockdep_sock_is_held, so it generated all
> kinds of build warnings if not build with lockdep support.
>
> Reported-by: kbuild test robot
> Signed-off-by: Hannes Frederic Sowa
Applied, thanks.
From: Hannes Frederic Sowa
Date: Fri, 8 Apr 2016 01:35:18 +0200
> lockdep_is_held is only specified if CONFIG_LOCKDEP is defined, so make
> it depending on it.
>
> Also add the missing inline keyword, so no warnings about unused functions
> show up during complilation.
>
> Cc: Eric Dumazet
>
On Thu, Apr 07, 2016 at 04:43:47PM -0500, Timur Tabi wrote:
> On my platform, firmware (UEFI) configures all of the GPIOs. I need
> to get confirmation, but it appears that we don't actually make any
> GPIO calls at all. I see code that looks like this:
>
> for (i = 0; (!adpt->no_mdio_gpio
On 4/7/16, 7:05 AM, "Nikolay Aleksandrov" wrote:
>On 04/07/2016 12:36 AM, Debabrata Banerjee wrote:
>> Set appropriate macvlan interface status based on lower device and our
>> status. Can be up, down, or lowerlayerdown.
>What about dormant ?
>
>That being said I understand the need to switch t
Series applied, thanks Alexei.
When the lowerdev is set administratively down disable carrier on the
macvlan interface. This means operstate gets set properly instead of
still being "up".
Signed-off-by: Debabrata Banerjee
---
drivers/net/macvlan.c | 6 +-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/driver
On Thu, 2016-04-07 at 18:36 -0700, Dexuan Cui wrote:
> Hyper-V Sockets (hv_sock) supplies a byte-stream based communication
> mechanism between the host and the guest. It's somewhat like TCP over
> VMBus, but the transportation layer (VMBus) is much simpler than IP.
[]
> diff --git a/include/net/af
Hi Kalle,
On Sat, Jan 2, 2016 at 5:25 AM, SF Markus Elfring
wrote:
> From: Markus Elfring
> Date: Fri, 1 Jan 2016 19:09:32 +0100
>
> Replace an explicit initialisation for one local variable at the beginning
> by a conditional assignment.
>
> Signed-off-by: Markus Elfring
This looks sane to me
While auditing something unrelated, I noticed that this function seems
to potentially dev_put() on an error pointer.
I guess the problem comes from the fact that there are two methods
by which the device pointer is obtained.
First, inet{,6}_fib_lookup_dev() which uses error pointers.
Second, de
From: Liping Zhang
Date: Tue, 5 Apr 2016 22:19:45 +0800
> From: Liping Zhang
>
> A socket can use bind(directly) or connect(indirectly) to bind to a local
> ip address, and later if the network becomes down, that cause the source
> address becomes nonlocal, then send() call will fail and retur
> From: Joe Perches [mailto:j...@perches.com]
> Sent: Friday, April 8, 2016 9:15
> On Thu, 2016-04-07 at 18:36 -0700, Dexuan Cui wrote:
> > diff --git a/include/net/af_hvsock.h b/include/net/af_hvsock.h
> []
> > +#define VMBUS_RINGBUFFER_SIZE_HVSOCK_RECV (5 * PAGE_SIZE)
> > +#define VMBUS_RINGBUFFE
From: Jakub Sitnicki
Date: Tue, 5 Apr 2016 18:41:08 +0200
> When sending a UDPv6 message longer than MTU, account for the length
> of fragmentable IPv6 extension headers in skb->network_header offset.
> Same as we do in alloc_new_skb path in __ip6_append_data().
>
> This ensures that later on _
On 4/7/16, 6:41 PM, David Miller wrote:
> While auditing something unrelated, I noticed that this function seems
> to potentially dev_put() on an error pointer.
>
> I guess the problem comes from the fact that there are two methods
> by which the device pointer is obtained.
>
> First, inet{,6}_fib_
On Wed, Apr 06, 2016 at 10:56:12AM -0700, Tadeusz Struk wrote:
>
> The intend is to enable HW acceleration of the TLS protocol.
> The way it will work is that the user space will send a packet of data
> via AF_ALG and HW will authenticate and encrypt it in one go.
There have been suggestions to i
On Thu, Apr 7, 2016 at 11:52 PM, Herbert Xu wrote:
> On Wed, Apr 06, 2016 at 10:56:12AM -0700, Tadeusz Struk wrote:
>>
>> The intend is to enable HW acceleration of the TLS protocol.
>> The way it will work is that the user space will send a packet of data
>> via AF_ALG and HW will authenticate an
From: Mark Rustad
Now x550em_a devices will use a new method for PHY access that will
get the firmware token for each access.
Signed-off-by: Mark Rustad
Tested-by: Andrew Bowers
Signed-off-by: Jeff Kirsher
---
drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c | 67 +--
1
From: Mark Rustad
Since the lan_id and func fields only ever hold small values, make
them u8 to avoid casts used to silence warnings.
Signed-off-by: Mark Rustad
Tested-by: Andrew Bowers
Signed-off-by: Jeff Kirsher
---
drivers/net/ethernet/intel/ixgbe/ixgbe_common.c | 2 +-
drivers/net/ethern
From: Alexander Duyck
This patch enables bulk free in Tx cleanup for ixgbevf and cleans up the
boolean logic in the polling routines for ixgbe and ixgbevf in the hopes of
avoiding any mix-ups similar to what occurred with i40e and i40evf.
Signed-off-by: Alexander Duyck
Tested-by: Andrew Bowers
This series contains updates to ixgbe and ixgbevf.
This entire series (except for one patch from Alex) comes from Mark and
is mainly to add support for our new MAC (x550em_a).
So let's get Alex's patch out of the way first before we cover Mark's
many changes. Alex does his enable bulk free in tr
From: Mark Rustad
Provide method pointers and use them to access IOSF-attached
devices. A new MAC will introduce a new access method.
Signed-off-by: Mark Rustad
Tested-by: Andrew Bowers
Signed-off-by: Jeff Kirsher
---
drivers/net/ethernet/intel/ixgbe/ixgbe_type.h | 2 ++
drivers/net/etherne
From: Mark Rustad
We need to take the manageability semaphore when issuing firmware
commands to avoid problems. With this in place, the semaphore is
no longer taken in the ixgbe_set_fw_drv_ver_generic function, since
it will now always be taken by the ixgbe_host_interface_command
function.
Signe
From: Mark Rustad
Clean up the interface for issuing firmware commands to use a
void * instead of a u32 *. This eliminates a number of casts.
Also clean up ixgbe_host_interface_command in a few other ways,
eliminating comparisons with 0, redundant parens and minor
formatting issues.
Signed-off-b
From: Mark Rustad
Move code that controls MDIO speed into a new function because
there will be more MACs that need the control.
Signed-off-by: Mark Rustad
Tested-by: Andrew Bowers
Signed-off-by: Jeff Kirsher
---
drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c | 27 +--
From: Mark Rustad
Add support for SFPs with an external retimer.
Signed-off-by: Mark Rustad
Tested-by: Andrew Bowers
Signed-off-by: Jeff Kirsher
---
drivers/net/ethernet/intel/ixgbe/ixgbe_main.c | 2 +
drivers/net/ethernet/intel/ixgbe/ixgbe_phy.h | 6 +-
drivers/net/ethernet/intel/ixgbe
From: Mark Rustad
Update ixgbe version number.
Signed-off-by: Mark Rustad
Tested-by: Andrew Bowers
Signed-off-by: Jeff Kirsher
---
drivers/net/ethernet/intel/ixgbe/ixgbe_main.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
From: Mark Rustad
I noticed the SRAMREL registers are not referenced for any device,
so delete the definitions.
Signed-off-by: Mark Rustad
Tested-by: Andrew Bowers
Signed-off-by: Jeff Kirsher
---
drivers/net/ethernet/intel/ixgbe/ixgbe_type.h | 8
1 file changed, 8 deletions(-)
diff
From: Mark Rustad
Add support for a single-port X550 device.
Signed-off-by: Mark Rustad
Tested-by: Andrew Bowers
Signed-off-by: Jeff Kirsher
---
drivers/net/ethernet/intel/ixgbe/ixgbe_common.c | 1 +
drivers/net/ethernet/intel/ixgbe/ixgbe_main.c | 2 ++
drivers/net/ethernet/intel/ixgbe/ixg
From: Mark Rustad
Add support for an SGMII backplane interface.
Signed-off-by: Mark Rustad
Signed-off-by: Jeff Kirsher
---
drivers/net/ethernet/intel/ixgbe/ixgbe_main.c | 2 +
drivers/net/ethernet/intel/ixgbe/ixgbe_type.h | 9 +
drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c | 58 +++
From: Mark Rustad
Add definitions for a x550em_a 10G MAC device with a native SFP
interface.
Signed-off-by: Mark Rustad
Tested-by: Andrew Bowers
Signed-off-by: Jeff Kirsher
---
drivers/net/ethernet/intel/ixgbe/ixgbe_type.h | 22 ++
1 file changed, 18 insertions(+), 4 dele
From: Mark Rustad
Add support for x550em_a-based KR backplane devices.
Signed-off-by: Mark Rustad
Signed-off-by: Jeff Kirsher
---
drivers/net/ethernet/intel/ixgbe/ixgbe_main.c | 2 ++
drivers/net/ethernet/intel/ixgbe/ixgbe_type.h | 2 ++
drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c | 18 ++
From: Mark Rustad
Read the instance number from EEPROM and save it for later use.
Signed-off-by: Mark Rustad
Tested-by: Andrew Bowers
Signed-off-by: Jeff Kirsher
---
drivers/net/ethernet/intel/ixgbe/ixgbe_common.c | 8
drivers/net/ethernet/intel/ixgbe/ixgbe_type.h | 5 +
2 fil
From: Mark Rustad
Add support for x550em_a 10G MAC type to the ixgbe driver. The new
MAC includes new firmware commands that need to be used to control
PHY and IOSF access, so that support is also added. The interface
supported is a native SFP+ interface.
Signed-off-by: Mark Rustad
Tested-by: A
From: Mark Rustad
Read the IXGBE_NW_MNG_IF_SEL register and use it to set interface
attributes.
Signed-off-by: Mark Rustad
Tested-by: Andrew Bowers
Signed-off-by: Jeff Kirsher
---
drivers/net/ethernet/intel/ixgbe/ixgbe_type.h | 5
drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c | 37
From: Mark Rustad
The function ixgbe_host_interface_command actually uses a multiple
of word sized buffer to do its business, but only checks against
the actual length passed in. This means that on read operations it
could be possible to modify locations beyond the length passed in.
Change the ch
From: Roopa Prabhu
find_outdev calls inet{,6}_fib_lookup_dev() or dev_get_by_index() to
find the output device. In case of an error, inet{,6}_fib_lookup_dev()
returns error pointer and dev_get_by_index() returns NULL. But the function
only checks for NULL and thus can end up calling dev_put on an
This patch set introduces new infrastructure for programmatically
processing packets in the earliest stages of rx, as part of an effort
others are calling Express Data Path (XDP) [1]. Start this effort by
introducing a new bpf program type for early packet filtering, before even
an skb has been all
Add a new bpf prog type that is intended to run in early stages of the
packet rx path. Only minimal packet metadata will be available, hence a
new context type, struct bpf_phys_dev_md, is exposed to userspace. So
far only expose the readable packet length, and only in read mode.
The PHYS_DEV name
Add a sample program that only drops packets at the
BPF_PROG_TYPE_PHYS_DEV hook of a link. With the drop-only program,
observed single core rate is ~19.5Mpps.
Other tests were run, for instance without the dropcnt increment or
without reading from the packet header, the packet rate was mostly
unch
Sets the bpf program represented by fd as an early filter in the rx path
of the netdev. The fd must have been created as BPF_PROG_TYPE_PHYS_DEV.
Providing a negative value as fd clears the program. Getting the fd back
via rtnl is not possible, therefore reading of this value merely
provides a bool
Add support for the BPF_PROG_TYPE_PHYS_DEV hook in mlx4 driver. Since
bpf programs require a skb context to navigate the packet, build a
percpu fake skb with the minimal fields. This avoids the costly
allocation for packets that end up being dropped.
Since mlx4 is so far the only user of bpf_phys_
Add two new set/get netdev ops for drivers implementing the
BPF_PROG_TYPE_PHYS_DEV filter.
Signed-off-by: Brenden Blanco
---
include/linux/netdevice.h | 13 +
net/core/dev.c| 38 ++
2 files changed, 51 insertions(+)
diff --git a/includ
After commit f84bb1eac027 ("net: fix IFF_NO_QUEUE for drivers using
alloc_netdev"), default qdisc was changed to noqueue because
tuntap does not set tx_queue_len during .setup(). This patch restores
default qdisc by setting tx_queue_len in tun_setup().
Fixes: f84bb1eac027 ("net: fix IFF_NO_QUEUE f
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