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When packets ingress the switch they are assigned a switch priority
number that dictates the packet's priority group (PG) buffer in the
port's headroom buffer.
Add the Port Prio To Buffer (PPTB) register, which configures the switch
priority to PG mapping.
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Calling dev_close() causes IFF_UP to be cleared which will remove the
interfaces routes and some addresses. That's probably not what the user
intended when running the offline selftest. Besides this does not happen
if the interface is brought down before the test, so the current
behaviour is inconsistent.
Instead call the net_device_ops ndo_stop function directly and avoid
touching IFF_UP at all.
Signed-off-by: Stefan Assmann <sassmann@kpanic.de>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/next-queue
Jeff Kirsher says:
====================
40GbE Intel Wired LAN Driver Updates 2016-04-05
This series contains updates to i40e and i40evf only.
Colin Ian King cleaned up a redundant NULL check which was found by static
analysis.
Anjali enables geneve receive offload for XL710/X710 devices.
Mitch cleans up unused variable in i40e_vc_get_vf_resources_msg().
Fixed the driver to actually be able to adjust VLAN tagging features
through ethtool, as expected. Fixed a problem where VF resets would
get lost by the PF preventing the VF driver from initializing. Also
put users mind at ease by lowering some message levels since many of
these conditions can happen any time VFs are enabled or disabled and
are not really indicative a fatal problems, unless they happen
continuously.
Shannon disables the link polling to lessen the admin queue traffic
especially since the link event mask usage has been fixed recently.
Alex Duyck fixes the i40e and i40evf drivers to correctly update
checksums for frames up to 16776960 in length which should be more than
large enough for all possible TSO frames in the near future.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Jiri Benc says:
====================
vxlan: implement Generic Protocol Extension (GPE)
v3: just rebased on top of the current net-next, no changes
This patchset implements VXLAN-GPE. It follows the same model as the tun/tap
driver: depending on the chosen mode, the vxlan interface is created either
as ARPHRD_ETHER (non-GPE) or ARPHRD_NONE (GPE).
Note that the internal fdb control plane cannot be used together with
VXLAN-GPE and attempt to configure it will be rejected by the driver. In
fact, COLLECT_METADATA is required to be set for now. This can be relaxed in
the future by adding support for static PtP configuration; it will be
backward compatible and won't affect existing users.
The previous version of the patchset supported two GPE modes, L2 and L3. The
L2 mode (now called "ether mode" in the code) was removed from this version.
It can be easily added later if there's demand. The L3 mode is now called
"raw mode" and supports also encapsulated Ethernet headers (via ETH_P_TEB).
The only limitation of not having "ether mode" for GPE is for ip route based
encapsulation: with such setup, only IP packets can be encapsulated. Meaning
no Ethernet encapsulation. It seems there's not much use for this, though.
If it turns out to be useful, we'll add it.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Implement VXLAN-GPE. Only COLLECT_METADATA is supported for now (it is
possible to support static configuration, too, if there is demand for it).
The GPE header parsing has to be moved before iptunnel_pull_header, as we
need to know the protocol.
v2: Removed what was called "L2 mode" in v1 of the patchset. Only "L3 mode"
(now called "raw mode") is added by this patch. This mode does not allow
Ethernet header to be encapsulated in VXLAN-GPE when using ip route to
specify the encapsulation, IP header is encapsulated instead. The patch
does support Ethernet to be encapsulated, though, using ETH_P_TEB in
skb->protocol. This will be utilized by other COLLECT_METADATA users
(openvswitch in particular).
If there is ever demand for Ethernet encapsulation with VXLAN-GPE using
ip route, it's easy to add a new flag switching the interface to
"Ethernet mode" (called "L2 mode" in v1 of this patchset). For now,
leave this out, it seems we don't need it.
Disallowed more flag combinations, especially RCO with GPE.
Added comment explaining that GBP and GPE cannot be set together.
Signed-off-by: Jiri Benc <jbenc@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Allow calling of iptunnel_pull_header without special casing ETH_P_TEB inner
protocol.
Signed-off-by: Jiri Benc <jbenc@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Handle VXLAN_F_COLLECT_METADATA before VXLAN_F_PROXY. The latter does not
make sense with the former, as it needs populated fdb which does not happen
in metadata mode.
After this cleanup, the fdb code in vxlan_xmit is moved to a common location
and can be later skipped for VXLAN-GPE which does not necessarily carry
inner Ethernet header.
v2: changed commit description to not reference L3 mode
Signed-off-by: Jiri Benc <jbenc@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This will allow to initialize vxlan in ARPHRD_NONE mode based on the passed
rtnl attributes.
v2: renamed "l2mode" to "ether".
Signed-off-by: Jiri Benc <jbenc@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Garbled output for "ethtool -m ethX", in igb-driven NICs with module /
plugin EEPROM (i.e. SFP information). Each output data byte appears
duplicated.
In igb_ethtool.c, igb_get_module_eeprom() is reading the EEPROM via i2c;
the eeprom offset for each word that's read via igb_read_phy_reg_i2c()
was passed in #words, whereas it needs to be a byte offset.
This patches fixes the bug.
Signed-off-by: Doron Shikmoni <doron.shikmoni@gmail.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Message level can be set through ethtool, so deprecate module parameter
which is used to set the same.
Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The Intel i211 LOM PCIe Ethernet controllers' iNVM operates as an OTP
and has no external EEPROM interface [1]. The following allows the
driver to pickup the MAC address from a device tree blob when CONFIG_OF
has been enabled.
[1]
http://www.intel.com/content/www/us/en/embedded/products/networking/i211-ethernet-controller-datasheet.html
Signed-off-by: John Holland <jotihojr@gmail.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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This patch enables bulk free in Tx cleanup for igb and cleans up the
boolean logic in the polling routines for igb in the hopes of avoiding
any mix-ups similar to what occurred with i40e and i40evf.
Signed-off-by: Alexander Duyck <aduyck@mirantis.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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We were casting the addr as __beXX and then passing it into le32_to_cpu
because the device expects the MAC address to be in network order even
though the register set is little endian. Instead of casting it as __beXX
we can just cast it as __leXX in order to maintain consistency since the
region of memory is already in little endian order as far as we are
concerned.
Signed-off-by: Alexander Duyck <aduyck@mirantis.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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With IPv4 and IPv6 now using the same format for checksums based on the
length of the frame we need to update the i40e and i40evf drivers so that
they correctly account for lengths greater than or equal to 64K.
With this patch the driver should now correctly update checksums for frames
up to 16776960 in length which should be more than large enough for all
possible TSO frames in the near future.
Signed-off-by: Alexander Duyck <aduyck@mirantis.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Signed-off-by: Avinash Dayanand <avinash.dayanand@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Add the Media Not Available flag to the link event mask. It seems
that event comes first if you have a DA cable pulled out, but there's no
follow-up event for Link Down; if you're not looking for MEDIA_NA you will
get no event, even though there's now no Link.
Change-ID: cb3340a2849805bb881f64f6f2ae810eef46eba7
Signed-off-by: Shannon Nelson <shannon.nelson@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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These conditions can happen any time VFs are enabled or disabled and are
not really indicative of fatal problems unless they happen continuously.
Lower the log level so that people don't get scared.
Change-ID: I1ceb4adbd10d03cbeed54d1f5b7f20d60328351d
Signed-off-by: Mitch Williams <mitch.a.williams@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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100baseT/Full is now listed and supported link mode for 10GBaseT PHY.
This is a fix to list all the supported link modes of 10GBaseT PHY.
Change-ID: If2be3212ef0fef85fd5d6e4550c7783de2f915e9
Signed-off-by: Avinash Dayanand <avinash.dayanand@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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We were passing in the seed where we should just be passing false
because we want the VSI table not the pf table.
Change-ID: I9b633ab06eb59468087f0c0af8539857e99f9495
Signed-off-by: Catherine Sullivan <catherine.sullivan@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Periodic link polling was added when the link events were found not to be
trustworthy. This was the case early on, but was likely because the link
event mask was being used incorrectly. As this has been fixed in recent
code, we can disable the link polling to lessen the AQ traffic.
Change-ID: Id890b5ee3c2d04381fc76ffa434777644f5d8eb0
Signed-off-by: Shannon Nelson <shannon.nelson@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Upon module remove, wait a little longer after requesting a reset before
checking to see if the firmware responded. This change prevents double
resets when the firmware is busy.
Change-ID: Ieedc988ee82fac1f32a074bf4d9e4dba426bfa58
Signed-off-by: Mitch Williams <mitch.a.williams@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Clear the VFLR bit immediately after triggering a reset instead of
waiting until after cleanup is complete. Make sure to trigger a reset
every time, not just if the PF is up.
These changes fix a problem where VF resets would get lost by the PF,
preventing the VF driver from initializing.
Change-ID: I5945cf2884095b7b0554867c64df8617e71d9d29
Signed-off-by: Mitch Williams <mitch.a.williams@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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The new device ID is 0x37D3 and it should follow the same flows and
branding string as for 0x37D0.
Change-ID: Ia5ad4a1910268c4666a3fd46a7afffbec55b4fc2
Signed-off-by: Catherine Sullivan <catherine.sullivan@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Users of ethtool were being given the mistaken impression that this
driver was able to change its VLAN tagging features, and were
disappointed that this was not actually the case. Implement
ndo_fix_features method so that we can adjust these flags as needed to
avoid false impressions.
Change-ID: I08584f103a4fa73d6a4128d472e4ef44dcfda57f
Signed-off-by: Mitch Williams <mitch.a.williams@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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This variable is vestigial, a remnant of the primordial code from which
this driver spawned. We can safely remove it.
Change-ID: I24e0fe338e7c7c50d27dc5515564f33caefbb93a
Signed-off-by: Mitch Williams <mitch.a.williams@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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This patch enables the Capability for XL710/X710 devices with FW API
version higher than 1.4 to do geneve Rx offload.
Change-ID: I9a8f87772c48d7d67dc85e3701d2e0b845034c0b
Signed-off-by: Anjali Singhai Jain <anjali.singhai@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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active_vlans is an unsigned long array, hence a null check on this
array is superfluous and can be removed.
Detected with static analysis by smatch:
drivers/net/ethernet/intel/i40e/i40e_debugfs.c:386
i40e_dbg_dump_vsi_seid() warn: this array is probably
non-NULL. 'vsi->active_vlans'
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Acked-by: Shannon Nelson <shannon.nelson@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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When signaling that a GRO frame is ready to be processed, the network stack
correctly checks length and aborts processing when a frame is less than 14
bytes. However, such a condition is really indicative of a broken driver,
and should be loudly signaled, rather than silently dropped as the case is
today.
Convert the condition to use net_warn_ratelimited() to ensure the stack
loudly complains about such broken drivers.
Signed-off-by: Aaron Conole <aconole@bytheb.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Enable RX Checksum offload feature in the ibmvnic driver.
Signed-off-by: Thomas Falcon <tlfalcon@linux.vnet.ibm.com>
Cc: John Allen <jallen@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Allow the VNIC driver to provide descriptors containing
L2/L3/L4 headers to firmware. This feature is needed
for greater hardware compatibility and enablement of checksum
and TCP offloading features.
A new function is included for the hypervisor call,
H_SEND_SUBCRQ_INDIRECT, allowing a DMA-mapped array of SCRQ
descriptor elements to be sent to the VNIC server.
These additions will help fully enable checksum offloading as
well as other features as they are included later.
Signed-off-by: Thomas Falcon <tlfalcon@linux.vnet.ibm.com>
Cc: John Allen <jallen@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Petri Gynther says:
====================
bcmgenet cleanups
Three cleanup patches for bcmgenet.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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dmadesc_set() is used for setting the Tx buffer DMA address, length,
and status bits on a Tx ring descriptor when a frame is being Tx'ed.
Always set the Tx buffer DMA address first, before updating the length
and status bits, i.e. giving the Tx descriptor to the hardware.
The reason this is a cleanup rather than a fix is that the hardware
won't transmit anything from a Tx ring until the TDMA producer index
has been incremented. As long as the dmadesc_set() writes complete
before the TDMA producer index write, life is good.
Signed-off-by: Petri Gynther <pgynther@google.com>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add frag_size = skb_frag_size(frag) and use it when needed.
Signed-off-by: Petri Gynther <pgynther@google.com>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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1. Readability: Move nr_frags assignment a few lines down in order
to bundle index -> ring -> txq calculations together.
2. Readability: Add parentheses around nr_frags + 1.
3. Minor fix: Stop the Tx queue and throw the error message only if
the Tx queue hasn't already been stopped.
Signed-off-by: Petri Gynther <pgynther@google.com>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Willem de Bruijn says:
====================
udp: support SO_PEEK_OFF
Support peeking at a non-zero offset for UDP sockets. Match the
existing behavior on Unix datagram sockets.
1/3 makes the sk_peek_offset functions safe to use outside locks
2/3 removes udp headers before enqueue, to simplify offset arithmetic
3/3 introduces SO_PEEK_OFFSET support, with Unix socket peek semantics.
Changes
v1->v2
- squash patches 3 and 4
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Enable peeking at UDP datagrams at the offset specified with socket
option SOL_SOCKET/SO_PEEK_OFF. Peek at any datagram in the queue, up
to the end of the given datagram.
Implement the SO_PEEK_OFF semantics introduced in commit ef64a54f6e55
("sock: Introduce the SO_PEEK_OFF sock option"). Increase the offset
on peek, decrease it on regular reads.
When peeking, always checksum the packet immediately, to avoid
recomputation on subsequent peeks and final read.
The socket lock is not held for the duration of udp_recvmsg, so
peek and read operations can run concurrently. Only the last store
to sk_peek_off is preserved.
Signed-off-by: Sam Kumar <samanthakumar@google.com>
Signed-off-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Remove UDP transport headers before queueing packets for reception.
This change simplifies a follow-up patch to add MSG_PEEK support.
Signed-off-by: Sam Kumar <samanthakumar@google.com>
Signed-off-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Make the peek offset interface safe to use in lockless environments.
Use READ_ONCE and WRITE_ONCE to avoid race conditions between testing
and updating the peek offset.
Suggested-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/next-queue
Jeff Kirsher says:
====================
40GbE Intel Wired LAN Driver Updates 2016-04-05
This series contains updates to i40e and i40evf only.
Stefan converts dev_close() to ndo_stop() for ethtool offline self test,
since dev_close() causes IFF_UP to be cleared which will remove the
interface routes and addresses.
Alex bumps up the size of the transmit data buffer to 12K rather than 8K,
which provides a gain in throughput and a reduction in overhead for
putting together the frame. Fixed an issue in the polling routines where
we were using bitwise operators to avoid the side effects of the
logical operators. Then added support for bulk transmit clean for skbs.
Jesse fixed a sparse issue in the type casting in the transmit code and
fixed i40e_aq_set_phy_debug() to use i40e_status as a return code.
Catherine cleans up duplicated code.
Shannon fixed the cleaning up of the interrupt handling to clean up the
IRQs only if we actually got them set up. Also fixed up the error
scenarios where we were trying to remove a non-existent timer or
worktask, which causes the kernel heartburn.
Mitch changes the notification of resets to the reset interrupt handler,
instead of the actual reset initiation code. This allows the VFs to get
properly notified for all resets, including resets initiated by different
PFs on the same physical device. Also moved the clearing of VFLR bit
after reset processing, instead of before which could lead to double
resets on VF init. Fixed code comment to match the actual function name.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Michael Chan says:
====================
bnxt_en: Updates for net-next.
Update to latest firmware interface, add EEE feature, unsupported SFP+
module warning, and ethtool -s improvements.
v2: Removed the GEEPROM patch and added more comments to the get_eee patch.
====================
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If autoneg is off, we should always report the speed and duplex settings
even if it is link down so the user knows the current settings. The
unknown speed and duplex should only be used for autoneg when link is
down.
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Check that the forced speed is a valid speed supported by firmware.
If not supported, return -EINVAL.
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add the PORT_CONN_NOT_ALLOWED async event handling logic. The driver
will print an appropriate warning to reflect the SFP+ module enforcement
policy done in the firmware.
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Currently, the driver only sets bit 0 of the async_event_fwd fields.
To be compatible with the latest spec, we need to set the
appropriate event bits handled by the driver. We should be handling
link change and PF driver unload events, so these 2 bits should be
set.
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Allow users to get|set EEE parameters.
v2: Added comment for preserving the tx_lpi_timer value in get_eee.
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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1. Add bnxt_hwrm_set_eee() function to setup EEE firmware parameters based
on the bp->eee settings.
2. The new function bnxt_eee_config_ok() will check if EEE parameters need
to be modified due to autoneg changes.
3. bnxt_hwrm_set_link() has added a new parameter to update EEE. If the
parameter is set, it will call bnxt_hwrm_set_eee().
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Get EEE capability and the initial EEE settings from firmware.
Add "EEE is active | not active" to link up dmesg.
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Make use of the new AUTONEG_PAUSE bit in the new interface to better
control autoneg flow control settings, independent of RX and TX
advertisement settings.
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Use new field names in API structs and stop using deprecated fields
auto_link_speed and auto_duplex in phy_cfg/phy_qcfg structs.
Update copyright year to 2016.
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/next-queue
Jeff Kirsher says:
====================
100GbE Intel Wired LAN Driver Updates 2016-04-05
This series contains updates to fm10k only.
Bruce provides nearly half of the patches in the series, most of which do
general cleanup of the driver. These include semantic cleanups,
checkpatch.pl fixes, update driver to use BIT() kernel macro, use
BUILD_BUG_ON() where appropriate and use ether_addr_copy() instead of
memcpy().
Jake provides the remaining patches in the series, starting with a fix
for a possible NULL pointer deference. Next delays initialization of the
service timer and service task until late in probe(). If we do not wait,
failures in probe do not properly cleanup the service timer or service
task items which result in a kernel panic. Added better reporting during
error conditions. Fixed another possible kernel panic where we were
clearing the interrupt scheme before we freed the mailbox IRQ. Added
helper functions for setting strings and data for ethtool stats. Fixed
comment mis-spelled words.
v2: Dropped patch 3 from the original submission, until a better solution
can be worked up based on feedback from Joe Perches and David Miller.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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