Romain Bellan [Fri, 27 Mar 2020 08:26:32 +0000 (09:26 +0100)]
netfilter: ctnetlink: be more strict when NF_CONNTRACK_MARK is not set
When CONFIG_NF_CONNTRACK_MARK is not set, any CTA_MARK or CTA_MARK_MASK
in netlink message are not supported. We should return an error when one
of them is set, not both
Fixes: 9306425b70bf ("netfilter: ctnetlink: must check mark attributes vs NULL") Signed-off-by: Romain Bellan <romain.bellan@wifirst.fr> Signed-off-by: Florent Fourcot <florent.fourcot@wifirst.fr> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Florian Westphal [Fri, 27 Mar 2020 02:24:48 +0000 (03:24 +0100)]
netfilter: nf_queue: do not release refcouts until nf_reinject is done
nf_queue is problematic when another NF_QUEUE invocation happens
from nf_reinject().
1. nf_queue is invoked, increments state->sk refcount.
2. skb is queued, waiting for verdict.
3. sk is closed/released.
3. verdict comes back, nf_reinject is called.
4. nf_reinject drops the reference -- refcount can now drop to 0
Instead of get_ref/release_ref pattern, we need to nest the get_ref calls:
get_ref
get_ref
release_ref
release_ref
So that when we invoke the next processing stage (another netfilter
or the okfn()), we hold at least one reference count on the
devices/socket.
After previous patch, it is now safe to put the entry even after okfn()
has potentially free'd the skb.
Signed-off-by: Florian Westphal <fw@strlen.de> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Florian Westphal [Fri, 27 Mar 2020 02:24:47 +0000 (03:24 +0100)]
netfilter: nf_queue: place bridge physports into queue_entry struct
The refcount is done via entry->skb, which does work fine.
Major problem: When putting the refcount of the bridge ports, we
must always put the references while the skb is still around.
However, we will need to put the references after okfn() to avoid
a possible 1 -> 0 -> 1 refcount transition, so we cannot use the
skb pointer anymore.
Place the physports in the queue entry structure instead to allow
for refcounting changes in the next patch.
Signed-off-by: Florian Westphal <fw@strlen.de> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
wenxu [Mon, 23 Mar 2020 23:34:25 +0000 (07:34 +0800)]
netfilter: flowtable: Fix incorrect tc_setup_type type
The indirect block setup should use TC_SETUP_FT as the type instead of
TC_SETUP_BLOCK. Adjust existing users of the indirect flow block
infrastructure.
netfilter: nf_tables: allow to specify stateful expression in set definition
This patch allows users to specify the stateful expression for the
elements in this set via NFTA_SET_EXPR. This new feature allows you to
turn on counters for all of the elements in this set.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
David S. Miller [Thu, 19 Mar 2020 02:13:37 +0000 (19:13 -0700)]
Merge tag 'mlx5-updates-2020-03-17' of git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux
Saeed Mahameed says:
====================
mlx5-updates-2020-03-17
1) Compiler warnings and cleanup for the connection tracking series
2) Bug fixes for the connection tracking series
3) Fix devlink port register sequence
4) Last five patches in the series, By Eli cohen
Add the support for forwarding traffic between two eswitch uplink
representors (Hairpin for eswitch), using mlx5 termination tables
to change the direction of a packet in hw from RX to TX pipeline.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Heiner Kallweit [Wed, 18 Mar 2020 22:07:24 +0000 (23:07 +0100)]
net: phy: realtek: read actual speed to detect downshift
At least some integrated PHY's in RTL8168/RTL8125 chip versions support
downshift, and the actual link speed can be read from a vendor-specific
register. Info about this register was provided by Realtek.
More details about downshift configuration (e.g. number of attempts)
aren't available, therefore the downshift tunable is not implemented.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Petr Machata [Wed, 18 Mar 2020 17:42:29 +0000 (19:42 +0200)]
net: sched: Fix hw_stats_type setting in pedit loop
In the commit referenced below, hw_stats_type of an entry is set for every
entry that corresponds to a pedit action. However, the assignment is only
done after the entry pointer is bumped, and therefore could overwrite
memory outside of the entries array.
The reason for this positioning may have been that the current entry's
hw_stats_type is already set above, before the action-type dispatch.
However, if there are no more actions, the assignment is wrong. And if
there are, the next round of the for_each_action loop will make the
assignment before the action-type dispatch anyway.
Therefore fix this issue by simply reordering the two lines.
Fixes: 74522e7baae2 ("net: sched: set the hw_stats_type in pedit loop") Signed-off-by: Petr Machata <petrm@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Capacity and utilization of existing flow and RIF counters are currently
unavailable to be seen by the user. Use the existing devlink resources
API to expose the information:
$ sudo devlink resource show pci/0000:00:10.0 -v
pci/0000:00:10.0:
name kvd resource_path /kvd size 524288 unit entry dpipe_tables none
name span_agents resource_path /span_agents size 8 occ 0 unit entry dpipe_tables none
name counters resource_path /counters size 79872 occ 44 unit entry dpipe_tables none
resources:
name flow resource_path /counters/flow size 61440 occ 4 unit entry dpipe_tables none
name rif resource_path /counters/rif size 18432 occ 40 unit entry dpipe_tables none
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Jiri Pirko [Wed, 18 Mar 2020 13:48:50 +0000 (15:48 +0200)]
selftests: spectrum-2: Adjust tc_flower_scale limit according to current counter count
With the change that made the code to query counter bank size from device
instead of using hard-coded value, the number of available counters
changed for Spectrum-2. Adjust the limit in the selftests.
Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Jiri Pirko [Wed, 18 Mar 2020 13:48:49 +0000 (15:48 +0200)]
mlxsw: spectrum_cnt: Query bank size from FW resources
The bank size is different between Spectrum versions. Also it is
a resource that can be queried. So instead of hard coding the value in
code, query it from the firmware.
Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Rahul Lakkireddy [Wed, 18 Mar 2020 10:54:51 +0000 (16:24 +0530)]
cxgb4: rework TC filter rule insertion across regions
Chelsio NICs have 3 filter regions, in following order of priority:
1. High Priority (HPFILTER) region (Highest Priority).
2. HASH region.
3. Normal FILTER region (Lowest Priority).
Currently, there's a 1-to-1 mapping between the prio value passed
by TC and the filter region index. However, it's possible to have
multiple TC rules with the same prio value. In this case, if a region
is exhausted, no attempt is made to try inserting the rule in the
next available region.
So, rework and remove the 1-to-1 mapping. Instead, dynamically select
the region to insert the filter rule, as long as the new rule's prio
value doesn't conflict with existing rules across all the 3 regions.
Signed-off-by: Rahul Lakkireddy <rahul.lakkireddy@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
>From the discussion in [0], the author's main motivation to add a hook
in fast path is for an out of tree kernel module, which is a red flag
to begin with. Other mentioned potential use cases like NAT{64,46}
is on future extensions w/o concrete code in the tree yet. Revert as
suggested [1] given the weak justification to add more hooks to critical
fast-path.
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Cc: David Miller <davem@davemloft.net> Cc: Pablo Neira Ayuso <pablo@netfilter.org> Cc: Alexei Starovoitov <ast@kernel.org> Nacked-by: Pablo Neira Ayuso <pablo@netfilter.org> Signed-off-by: David S. Miller <davem@davemloft.net>
please apply the following patch series for qeth to netdev's net-next
tree.
This consists of three parts:
1) support for __GFP_MEMALLOC,
2) several ethtool enhancements (.set_channels, SW Timestamping),
3) the usual cleanups.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Julian Wiedmann [Wed, 18 Mar 2020 12:54:53 +0000 (13:54 +0100)]
s390/qeth: add phys_to_virt() translation for AOB
Data addresses in the AOB are absolute, and need to be translated before
being fed into kmem_cache_free(). Currently this phys_to_virt() is a no-op.
Also see commit 2db01da8d25f ("s390/qdio: fill SBALEs with absolute addresses").
Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Julian Wiedmann [Wed, 18 Mar 2020 12:54:52 +0000 (13:54 +0100)]
s390/qeth: don't report hard-coded driver version
Versions are meaningless for an in-kernel driver.
Instead use the UTS_RELEASE that is set by ethtool_get_drvinfo().
Cc: Leon Romanovsky <leonro@mellanox.com> Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com> Reviewed-by: Leon Romanovsky <leonro@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Julian Wiedmann [Wed, 18 Mar 2020 12:54:50 +0000 (13:54 +0100)]
s390/qeth: balance the TX queue selection for IQD devices
For ucast traffic, qeth_iqd_select_queue() falls back to
netdev_pick_tx(). This will potentially use skb_tx_hash() to distribute
the flow over all active TX queues - so txq 0 is a valid selection, and
qeth_iqd_select_queue() needs to check for this and put it on some other
queue. As a result, the distribution for ucast flows is unbalanced and
hits QETH_IQD_MIN_UCAST_TXQ heavier than the other queues.
Open-coding a custom variant of skb_tx_hash() isn't an option, since
netdev_pick_tx() also gives us eg. access to XPS. But we can pull a
little trick: add a single TC class that excludes the mcast txq, and
thus encourage skb_tx_hash() to not pick the mcast txq.
Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Julian Wiedmann [Wed, 18 Mar 2020 12:54:49 +0000 (13:54 +0100)]
s390/qeth: allow configuration of TX queues for IQD devices
Similar to the support for z/VM NICs, but we need to take extra care
about the dedicated mcast queue:
1. netdev_pick_tx() is unaware of this limitation and might select the
mcast txq. Catch this.
2. require at least _two_ TX queues - one for ucast, one for mcast.
3. when reducing the number of TX queues, there's a potential race
where netdev_cap_txqueue() over-rules the selected txq index and
falls back to index 0. This would place ucast traffic on the mcast
queue, and result in TX errors.
So for IQD, reject a reduction while the interface is running.
Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Julian Wiedmann [Wed, 18 Mar 2020 12:54:47 +0000 (13:54 +0100)]
s390/qeth: remove prio-queueing support for z/VM NICs
z/VM NICs don't offer HW QoS for TX rings. So just use netdev_pick_tx()
to distribute the connections equally over all enabled TX queues.
We start with just 1 enabled TX queue (this matches the typical
configuration without prio-queueing). A follow-on patch will allow users
to enable additional TX queues.
Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Julian Wiedmann [Wed, 18 Mar 2020 12:54:46 +0000 (13:54 +0100)]
s390/qeth: use memory reserves in TX slow path
When falling back to an allocation from the HW header cache, check if
the skb is eligible for using memory reserves.
This only makes a difference if the cache is empty and needs to be
refilled.
Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Paolo Abeni [Tue, 17 Mar 2020 14:53:34 +0000 (15:53 +0100)]
mptcp: move msk state update to subflow_syn_recv_sock()
After commit 58b09919626b ("mptcp: create msk early"), the
msk socket is already available at subflow_syn_recv_sock()
time. Let's move there the state update, to mirror more
closely the first subflow state.
The above will also help multiple subflow supports.
Signed-off-by: Paolo Abeni <pabeni@redhat.com> Reviewed-by: Matthieu Baerts <matthieu.baerts@tessares.net> Signed-off-by: David S. Miller <davem@davemloft.net>
David S. Miller [Wed, 18 Mar 2020 05:51:16 +0000 (22:51 -0700)]
Merge branch 'net-add-phylink-support-for-PCS'
Russell King says:
====================
net: add phylink support for PCS
This series adds support for IEEE 802.3 register set compliant PCS
for phylink. In order to do this, we:
1. convert BUG_ON() in existing accessors to WARN_ON_ONCE() and return
an error.
2. add accessors for modifying a MDIO device register, and use them in
phylib, rather than duplicating the code from phylib.
3. add support for decoding the advertisement from clause 22 compatible
register sets for clause 37 advertisements and SGMII advertisements.
4. add support for clause 45 register sets for 10GBASE-R PCS.
These have been tested on the LX2160A Clearfog-CX platform.
v2: eliminate use of BUG_ON() in the accessors.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Russell King [Tue, 17 Mar 2020 14:52:41 +0000 (14:52 +0000)]
net: phylink: pcs: add 802.3 clause 45 helpers
Implement helpers for PCS accessed via the MII bus using 802.3 clause
45 cycles for 10GBASE-R. Only link up/down is supported, 10G full
duplex is assumed.
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
Russell King [Tue, 17 Mar 2020 14:52:36 +0000 (14:52 +0000)]
net: phylink: pcs: add 802.3 clause 22 helpers
Implement helpers for PCS accessed via the MII bus using 802.3 clause
22 cycles, conforming to 802.3 clause 37 and Cisco SGMII specifications
for the advertisement word.
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
Russell King [Tue, 17 Mar 2020 14:52:31 +0000 (14:52 +0000)]
net: mdiobus: add APIs for modifying a MDIO device register
Add APIs for modifying a MDIO device register, similar to the existing
phy_modify() group of functions, but at mdiobus level instead. Adapt
__phy_modify_changed() to use the new mdiobus level helper.
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
Russell King [Tue, 17 Mar 2020 14:52:26 +0000 (14:52 +0000)]
net: mdiobus: avoid BUG_ON() in mdiobus accessors
Avoid using BUG_ON() in the mdiobus accessors, prefering instead to use
WARN_ON_ONCE() and returning an error.
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
====================
net: bridge: vlan options: add support for tunnel mapping
In order to bring the new vlan API on par with the old one and be able
to completely migrate to the new one we need to support vlan tunnel mapping
and statistics. This patch-set takes care of the former by making it a
vlan option. There are two notable issues to deal with:
- vlan range to tunnel range mapping
* The tunnel ids are globally unique for the vlan code and a vlan can
be mapped to one tunnel, so the old API took care of ranges by
taking the starting tunnel id value and incrementally mapping
vlan id(i) -> tunnel id(i). This set takes the same approach and
uses one new attribute - BRIDGE_VLANDB_ENTRY_TUNNEL_ID. If used
with a vlan range then it's the starting tunnel id to map.
- tunnel mapping removal
* Since there are no reserved/special tunnel ids defined, we can't
encode mapping removal within the new attribute, in order to be
able to remove a mapping we add a vlan flag which makes the new
tunnel option remove the mapping
The rest is pretty straight-forward, in fact we directly re-use the old
code for manipulating tunnels by just mapping the command (set/del). In
order to be able to keep detecting vlan ranges we check that the current
vlan has a tunnel and it's extending the current vlan range end's tunnel
id.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
net: bridge: vlan options: add support for tunnel mapping set/del
This patch adds support for manipulating vlan/tunnel mappings. The
tunnel ids are globally unique and are one per-vlan. There were two
trickier issues - first in order to support vlan ranges we have to
compute the current tunnel id in the following way:
- base tunnel id (attr) + current vlan id - starting vlan id
This is in line how the old API does vlan/tunnel mapping with ranges. We
already have the vlan range present, so it's redundant to add another
attribute for the tunnel range end. It's simply base tunnel id + vlan
range. And second to support removing mappings we need an out-of-band way
to tell the option manipulating function because there are no
special/reserved tunnel id values, so we use a vlan flag to denote the
operation is tunnel mapping removal.
Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com> Signed-off-by: David S. Miller <davem@davemloft.net>
net: bridge: vlan options: add support for tunnel id dumping
Add a new option - BRIDGE_VLANDB_ENTRY_TUNNEL_ID which is used to dump
the tunnel id mapping. Since they're unique per vlan they can enter a
vlan range if they're consecutive, thus we can calculate the tunnel id
range map simply as: vlan range end id - vlan range start id. The
starting point is the tunnel id in BRIDGE_VLANDB_ENTRY_TUNNEL_ID. This
is similar to how the tunnel entries can be created in a range via the
old API (a vlan range maps to a tunnel range).
Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com> Signed-off-by: David S. Miller <davem@davemloft.net>
net: bridge: vlan tunnel: constify bridge and port arguments
The vlan tunnel code changes vlan options, it shouldn't touch port or
bridge options so we can constify the port argument. This would later help
us to re-use these functions from the vlan options code.
Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com> Signed-off-by: David S. Miller <davem@davemloft.net>
net: bridge: vlan options: rename br_vlan_opts_eq to br_vlan_opts_eq_range
It is more appropriate name as it shows the intent of why we need to
check the options' state. It also allows us to give meaning to the two
arguments of the function: the first is the current vlan (v_curr) being
checked if it could enter the range ending in the second one (range_end).
Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Jose Abreu [Tue, 17 Mar 2020 09:18:52 +0000 (10:18 +0100)]
net: stmmac: Add support for Enterprise MAC version
Adds the support for Enterprise MAC IP version which is very similar to
XGMAC. It's so similar that we just need to check the device id and add
new speeds definitions and some minor callbacks.
Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com> Signed-off-by: David S. Miller <davem@davemloft.net>
David S. Miller [Wed, 18 Mar 2020 04:18:25 +0000 (21:18 -0700)]
Merge branch 'ionic-bits-and-bytes'
Shannon Nelson says:
====================
ionic bits and bytes
These are a few little updates to the ionic driver while we are in between
other feature work. While these are mostly Fixes, they are almost all low
priority and needn't be promoted to net. The one higher need is patch 1,
but it is fixing something that hasn't made it out of net-next yet.
v3: allow decode of unknown transciever and use type
codes from sfp.h
v2: add Fixes tags to patches 1-4, and a little
description for patch 5
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Shannon Nelson [Tue, 17 Mar 2020 03:22:09 +0000 (20:22 -0700)]
ionic: print data for unknown xcvr type
If we don't recognize the transceiver type, set the xcvr type
and data length such that ethtool can at least print the first
256 bytes and the reader can figure out why the transceiver
is not recognized.
While we're here, we can update the phy_id type values to use
the enum values in sfp.h.
Fixes: 4d03e00a2140 ("ionic: Add initial ethtool support") Signed-off-by: Shannon Nelson <snelson@pensando.io> Signed-off-by: David S. Miller <davem@davemloft.net>
Shannon Nelson [Tue, 17 Mar 2020 03:22:08 +0000 (20:22 -0700)]
ionic: remove adminq napi instance
Remove the adminq's napi struct when tearing down
the adminq.
Fixes: 1d062b7b6f64 ("ionic: Add basic adminq support") Signed-off-by: Shannon Nelson <snelson@pensando.io> Signed-off-by: David S. Miller <davem@davemloft.net>
Shannon Nelson [Tue, 17 Mar 2020 03:22:07 +0000 (20:22 -0700)]
ionic: deinit rss only if selected
Don't bother de-initing RSS if it wasn't selected.
Fixes: aa3198819bea ("ionic: Add RSS support") Signed-off-by: Shannon Nelson <snelson@pensando.io> Signed-off-by: David S. Miller <davem@davemloft.net>
Shannon Nelson [Tue, 17 Mar 2020 03:22:06 +0000 (20:22 -0700)]
ionic: stop devlink warn on mgmt device
If we don't set a port type, the devlink code will eventually
print a WARN in the kernel log. Because the mgmt device is
not really a useful port, don't register it as a devlink port.
Fixes: b3f064e9746d ("ionic: add support for device id 0x1004") Signed-off-by: Shannon Nelson <snelson@pensando.io> Signed-off-by: David S. Miller <davem@davemloft.net>
Eric Dumazet [Tue, 17 Mar 2020 02:12:50 +0000 (19:12 -0700)]
net_sched: do not reprogram a timer about to expire
qdisc_watchdog_schedule_range_ns() can use the newly added slack
and avoid rearming the hrtimer a bit earlier than the current
value. This patch has no effect if delta_ns parameter
is zero.
Note that this means the max slack is potentially doubled.
Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Eric Dumazet [Tue, 17 Mar 2020 02:12:49 +0000 (19:12 -0700)]
net_sched: add qdisc_watchdog_schedule_range_ns()
Some packet schedulers might want to add a slack
when programming hrtimers. This can reduce number
of interrupts and increase batch sizes and thus
give good xmit_more savings.
This commit adds qdisc_watchdog_schedule_range_ns()
helper, with an extra delta_ns parameter.
Legacy qdisc_watchdog_schedule_n() becomes an inline
passing a zero slack.
Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
David S. Miller [Wed, 18 Mar 2020 04:12:40 +0000 (21:12 -0700)]
Merge branch 'nfp-type'
Jakub Kicinski says:
====================
net: rename flow_action stats and set NFP type
Jiri, I hope this is okay with you, I just dropped the "type" from
the helper and value names, and now things should be able to fit
on a line, within 80 characters.
Second patch makes the NFP able to offload DELAYED stats, which
is the type it supports.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Jakub Kicinski [Tue, 17 Mar 2020 01:42:12 +0000 (18:42 -0700)]
nfp: allow explicitly selected delayed stats
NFP flower offload uses delayed stats. Kernel recently gained
the ability to specify stats types. Make nfp accept DELAYED
stats, not just the catch all "any".
Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
flow_action_hw_stats_types_check() helper takes one of the
FLOW_ACTION_HW_STATS_*_BIT values as input. If we align
the arguments to the opening bracket of the helper there
is no way to call this helper and stay under 80 characters.
Remove the "types" part from the new flow_action helpers
and enum values.
Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
did_interrupt() clears the interrupt, therefore handle_interrupt() can
not check which event triggered the interrupt. To overcome this
constraint and allow more flexibility for customer interrupt handlers,
let's decouple handle_interrupt() from parts of the phylib interrupt
handling. Custom interrupt handlers now have to implement the
did_interrupt() functionality in handle_interrupt() if needed.
Fortunately we have just one custom interrupt handler so far (in the
mscc PHY driver), convert it to the changed API and make use of the
benefits.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
did_interrupt() clears the interrupt, therefore handle_interrupt() can
not check which event triggered the interrupt. To overcome this
constraint and allow more flexibility for customer interrupt handlers,
let's decouple handle_interrupt() from parts of the phylib interrupt
handling. Custom interrupt handlers now have to implement the
did_interrupt() functionality in handle_interrupt() if needed.
Fortunately we have just one custom interrupt handler so far (in the
mscc PHY driver), convert it to the changed API.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
====================
ethtool: consolidate irq coalescing - last part
Convert remaining drivers following the groundwork laid in a recent
patch set [1] and continued in [2], [3], [4], [5]. The aim of
the effort is to consolidate irq coalescing parameter validation
in the core.
This set is the sixth and last installment. It converts the remaining
8 drivers in drivers/net/ethernet. The last patch makes declaring
supported IRQ coalescing parameters a requirement.
Jakub Kicinski [Mon, 16 Mar 2020 20:47:12 +0000 (13:47 -0700)]
net: ethtool: require drivers to set supported_coalesce_params
Now that all in-tree drivers have been updated we can
make the supported_coalesce_params mandatory.
To save debugging time in case some driver was missed
(or is out of tree) add a warning when netdev is registered
with set_coalesce but without supported_coalesce_params.
Signed-off-by: Jakub Kicinski <kuba@kernel.org> Reviewed-by: Michal Kubecek <mkubecek@suse.cz> Signed-off-by: David S. Miller <davem@davemloft.net>
Jakub Kicinski [Mon, 16 Mar 2020 20:47:08 +0000 (13:47 -0700)]
net: cpsw: reject unsupported coalescing params
Set ethtool_ops->supported_coalesce_params to let
the core reject unsupported coalescing parameters.
This driver did not previously reject unsupported parameters.
Signed-off-by: Jakub Kicinski <kuba@kernel.org> Reviewed-by: Grygorii Strashko <grygorii.strashko@ti.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Set ethtool_ops->supported_coalesce_params to let
the core reject unsupported coalescing parameters.
This driver did not previously reject unsupported parameters.
Signed-off-by: Jakub Kicinski <kuba@kernel.org> Acked-by: Ilias Apalodimas <ilias.apalodimas@linaro.org> Signed-off-by: David S. Miller <davem@davemloft.net>
Eli Cohen [Mon, 24 Feb 2020 14:59:54 +0000 (16:59 +0200)]
net/mlx5: Eswitch, enable forwarding back to uplink port
Add dependencny on cap termination_table_raw_traffic to allow non
encapsulated packets received from uplink to be forwarded back to the
received uplink port.
Refactor the conditions into a separate function.
Signed-off-by: Eli Cohen <eli@mellanox.com> Reviewed-by: Oz Shlomo <ozsh@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Eli Cohen [Thu, 13 Feb 2020 12:05:14 +0000 (14:05 +0200)]
net/mlx5e: Add support for offloading traffic from uplink to uplink
Termination tables change the direction of a packet in hw from RX to SX
pipeline. Use that to offload hairpin flows received from uplink and
sent back to uplink.
Currently termination tables are used for pushing VLAN to packets
received from uplink and targeting a VF. Extend the implementation to
allow forwarding packets to uplink. These packets can either be
encapsulated or not.
In case encapsulation is needed before forwarding, move the reformat
object to the termination table as required.
Extend the hash table key to include tunnel information for the sake of
reusing reformat objects.
Signed-off-by: Eli Cohen <eli@mellanox.com> Reviewed-by: Oz Shlomo <ozsh@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Eli Cohen [Thu, 27 Feb 2020 10:22:46 +0000 (12:22 +0200)]
net/mlx5: Don't use termination tables in slow path
Don't use termination tables for packets that are steered to the slow path,
as a pre-step for supporting packet encap (packet reformat) action on
termination tables. Packet encap (reformat action) actions steer the packet
to the slow path until outer arp entries are resolved.
Signed-off-by: Eli Cohen <eli@mellanox.com> Reviewed-by: Oz Shlomo <ozsh@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
projects / kernel.git / log