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Switch all Ethernet drivers which use custom napi weights
to the new API.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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caif_virtio uses a custom napi weight, switch to the new
API for setting custom weights.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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UM's netdev driver uses a custom napi weight, switch to the new
API for setting custom weight.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Vladimir Oltean says:
====================
Simplify migration of host filtered addresses in Felix driver
The purpose of this patch set is to remove the functions
dsa_port_walk_fdbs() and dsa_port_walk_mdbs() from the DSA core, which
were introduced when the Felix driver gained support for unicast
filtering on standalone ports. They get called when changing the tagging
protocol back and forth between "ocelot" and "ocelot-8021q".
I did not realize we could get away without having them.
The patch set was regression-tested using the local_termination.sh
selftest using both tagging protocols.
====================
Link: https://lore.kernel.org/r/20220505162213.307684-1-vladimir.oltean@nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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All the users of these functions are gone, delete them before they gain
new ones.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The felix driver is the only user of dsa_port_walk_mdbs(), and there
isn't even a good reason for it, considering that the host MDB entries
are already saved by the ocelot switch lib in the ocelot->multicast list.
Rewrite the multicast entry migration procedure around the
ocelot->multicast list so we can delete dsa_port_walk_mdbs().
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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I just realized we don't need to migrate the host-filtered FDB entries
when the tagging protocol changes from "ocelot" to "ocelot-8021q".
Host-filtered addresses are learned towards the PGID_CPU "multicast"
port group, reserved by software, which contains BIT(ocelot->num_phys_ports).
That is the "special" port entry in the analyzer block for the CPU port
module.
In "ocelot" mode, the CPU port module's packets are redirected to the
NPI port.
In "ocelot-8021q" mode, felix_8021q_cpu_port_init() does something funny
anyway, and changes PGID_CPU to stop pointing at the CPU port module and
start pointing at the physical port where the DSA master is attached.
The fact that we can alter the destination of packets learned towards
PGID_CPU without altering the MAC table entries themselves means that it
is pointless to walk through the FDB entries, forget that they were
learned towards PGID_CPU, and re-learn them towards the "unicast" PGID
associated with the physical port connected to the DSA master. We can
let the PGID_CPU value change simply alter the destination of the
host-filtered unicast packets in one fell swoop.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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ocelot_fdb_add() redirects FDB entries installed on the NPI port towards
the special reserved PGID_CPU used for host-filtered addresses. PGID_CPU
contains BIT(ocelot->num_phys_ports) in the destination port mask, which
is code name for the CPU port module.
Whereas felix_migrate_fdbs_to_*_port() uses the ocelot->num_phys_ports
PGID directly, and it appears that this works too. Even if this PGID is
set to zero, apparently its number is special and packets still reach
the CPU port module.
Nonetheless, in the end, these addresses end up in the same place
regardless of whether they go through an extra indirection layer or not.
Use PGID_CPU across to have more uniformity.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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This patch increases the polling rate used by the
mlxbf_gige driver on the MDIO bus. The previous
polling rate was every 100us, and the new rate is
every 5us. With this change the amount of time
spent waiting for the MDIO BUSY signal to de-assert
drops from ~100us to ~27us for each operation.
Signed-off-by: David Thompson <davthompson@nvidia.com>
Signed-off-by: Asmaa Mnebhi <asmaa@nvidia.com>
Link: https://lore.kernel.org/r/20220505162309.20050-1-davthompson@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/next-queue
Tony Nguyen says:
====================
10GbE Intel Wired LAN Driver Updates 2022-05-05
This series contains updates to ixgbe and igb drivers.
Jeff Daly adjusts type for 'allow_unsupported_sfp' to match the
associated struct value for ixgbe.
Alaa Mohamed converts, deprecated, kmap() call to kmap_local_page() for
igb.
* '10GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/next-queue:
igb: Convert kmap() to kmap_local_page()
ixgbe: Fix module_param allow_unsupported_sfp type
====================
Link: https://lore.kernel.org/r/20220505155651.2606195-1-anthony.l.nguyen@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Jakub Kicinski says:
====================
net: disambiguate the TSO and GSO limits
This series separates the device-reported TSO limitations
from the user space-controlled GSO limits. It used to be that
we only had the former (HW limits) but they were named GSO.
This probably lead to confusion and letting user override them.
The problem came up in the BIG TCP discussion between Eric and
Alex, and seems like something we should address.
Targeting net-next because (a) nobody is reporting problems;
and (b) there is a tiny but non-zero chance that some actually
wants to lift the HW limitations.
====================
Reviewed-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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These are now internal to the core, no need to expose them.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Drivers should call the TSO setting helper, GSO is controllable
by user space.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Up until commit 46e6b992c250 ("rtnetlink: allow GSO maximums to
be set on device creation") the gso_max_segs and gso_max_size
of a device were not controlled from user space.
The quoted commit added the ability to control them because of
the following setup:
netns A | netns B
veth<->veth eth0
If eth0 has TSO limitations and user wants to efficiently forward
traffic between eth0 and the veths they should copy the TSO
limitations of eth0 onto the veths. This would happen automatically
for macvlans or ipvlan but veth users are not so lucky (given the
loose coupling).
Unfortunately the commit in question allowed users to also override
the limits on real HW devices.
It may be useful to control the max GSO size and someone may be using
that ability (not that I know of any user), so create a separate set
of knobs to reliably record the TSO limitations. Validate the user
requests.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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To make later patches smaller create a helper for inheriting
the TSO limitations of a lower device. The TSO in the name
is not an accident, subsequent patches will replace GSO
with TSO in more names.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Simon Horman says:
====================
nfp: flower: decap neighbour table rework
Louis Peens says:
This patch series reworks the way in which flow rules that outputs to
OVS internal ports gets handled by the nfp driver.
Previously this made use of a small pre_tun_table, but this only used
destination MAC addresses, and made the implicit assumption that there is
only a single source MAC":"destination MAC" mapping per tunnel. In
hindsight this seems to be a pretty obvious oversight, but this was hidden
in plain sight for quite some time.
This series changes the implementation to make use of the same Neighbour
table for decap that is in use for the tunnel encap solution. It stores
any new Neighbour updates in this table. Previously this path was only
triggered for encapsulation candidates, and the entries were send and
forget, not saved on the host as it is after this series. It also keeps
track of any flow rule that outputs to OVS internal ports (and some
other criteria not worth mentioning here), very similar to how it was
done previously, except now these flows are kept track of in a list.
When a new Neighbour entry gets added this list gets iterated for
potential matches, in which case the table gets updated with a reference
to the flow, and the Neighbour entry on the card gets updated with the
relevant host_ctx. The same happens when a new qualifying flow gets
added - the Neighbour table gets iterated for applicable matches, and
once again the firmware gets updated with the host_ctx when any matches
are found.
Since this also requires a firmware change we add a new capability bit,
and keep the old behaviour in case of older firmware without this bit
set.
This series starts by doing some preparation, then adding the new list
and table entries. Next the functionality to link/unlink these entries
are added, and finally this new functionality is enabled by adding the
DECAP_V2 bit to the driver feature list.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Finally enable the decap_v2 feature bit now that all the
other bits are in place to configure it correctly.
Signed-off-by: Louis Peens <louis.peens@corigine.com>
Signed-off-by: Yinjun Zhang <yinjun.zhang@corigine.com>
Signed-off-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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With the neighbour entries now stored in a dedicated table there
is no use to make use of the tunnel route cache anymore, so remove
this.
Signed-off-by: Louis Peens <louis.peens@corigine.com>
Signed-off-by: Yinjun Zhang <yinjun.zhang@corigine.com>
Signed-off-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add helper functions that can create links between flow rules
and cached neighbour entries. Also add the relevant calls to
these functions.
* When a new neighbour entry gets added cycle through the saved
pre_tun flow list and link any relevant matches. Update the
neighbour table on the nfp with this new information.
* When a new pre_tun flow rule gets added iterate through the
save neighbour entries and link any relevant matches. Once
again update the nfp neighbour table with any new links.
* Do the inverse when deleting - remove any created links and
also inform the nfp of this.
Signed-off-by: Louis Peens <louis.peens@corigine.com>
Signed-off-by: Yinjun Zhang <yinjun.zhang@corigine.com>
Signed-off-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch updates the way in which the tunnel neighbour entries
are handled. Previously they were mostly send-and-forget, with
just the destination IP's cached in a list. This update changes
to a scheme where the neighbour entry information is stored in
a hash table.
The reason for this is that the neighbour table will now also
be used on the decapsulation path, whereas previously it was
only used for encapsulation. We need to save more of the neighbour
information in order to link them with flower flows in follow
up patches.
Updating of the neighbour table is now also handled by the same
function, instead of separate *_write_neigh_vX functions.
Signed-off-by: Louis Peens <louis.peens@corigine.com>
Signed-off-by: Yinjun Zhang <yinjun.zhang@corigine.com>
Signed-off-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Prepare for more rework in following patches by updating
the existing nfp_neigh_structs. The update allows for
the same headers to be used for both old and new firmware,
with a slight length adjustment when sending the control message
to the firmware.
Signed-off-by: Louis Peens <louis.peens@corigine.com>
Signed-off-by: Yinjun Zhang <yinjun.zhang@corigine.com>
Signed-off-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When a callback is received to invalidate a neighbour entry
there is no need to try and populate any other flow information.
Only the flowX->daddr information is needed as lookup key to delete
an entry from the NFP neighbour table. Fix this by only doing the
lookup if the callback is for a new entry.
As part of this cleanup remove the setting of flow6.flowi6_proto, as
this is not needed either, it looks to be a possible leftover from a
previous implementation.
Signed-off-by: Louis Peens <louis.peens@corigine.com>
Signed-off-by: Yinjun Zhang <yinjun.zhang@corigine.com>
Signed-off-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Make sure that the rule also matches on source MAC address. On top
of that also now save the src and dst MAC addresses similar to how
vlan_tci is saved - this will be used in later comparisons with
neighbour entries. Indicate if the flow matched on ipv4 or ipv6.
Populate the vlan_tpid field that got added to the pre_run_rule
struct as well.
Signed-off-by: Louis Peens <louis.peens@corigine.com>
Signed-off-by: Yinjun Zhang <yinjun.zhang@corigine.com>
Signed-off-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add calls to add and remove flows to the predt_table. This very simply
just allocates and add a new pretun entry if detected as such, and
removes it when encountered on a delete flow.
Compatibility for older firmware is kept in place through the
DECAP_V2 feature bit.
Signed-off-by: Louis Peens <louis.peens@corigine.com>
Signed-off-by: Yinjun Zhang <yinjun.zhang@corigine.com>
Signed-off-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The previous implementation of using a pre_tun_table for decap has
some limitations, causing flows to end up unoffloaded when in fact
we are able to offload them. This is because the pre_tun_table does
not have enough matching resolution. The next step is to instead make
use of the neighbour table which already exists for the encap direction.
This patch prepares for this by:
- Moving nfp_tun_neigh/_v6 to main.h.
- Creating two new "wrapping" structures, one to keep track of neighbour
entries (previously they were send-and-forget), and another to keep
track of pre_tun flows.
- Create a new list in nfp_flower_priv to keep track of pre_tunnel flows
- Create a new table in nfp_flower_priv to keep track of next neighbour
entries
- Initialising and destroying these new list/tables
- Extending nfp_fl_payload->pre_tun_rule to save more information for
future use.
Signed-off-by: Louis Peens <louis.peens@corigine.com>
Signed-off-by: Yinjun Zhang <yinjun.zhang@corigine.com>
Signed-off-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/next-queue
Tony Nguyen says:
====================
100GbE Intel Wired LAN Driver Updates 2022-05-05
This series contains updates to ice driver only.
Wan Jiabing converts an open coded min selection to min_t().
Maciej commonizes on a single find VSI function and removes the
duplicated implementation.
Wojciech adjusts the return value when exceeding ICE_MAX_CHAIN_WORDS to,
a more appropriate, -ENOSPC and allows for the error to be propagated.
Michal adds support for ndo_get_devlink_port().
Jake does some cleanup related to virtualization code. Mainly involving
function header comments and wording changes. NULL checks are added to
ice_get_vf_vsi() calls in order to prevent static analysis tools from
complaining that a NULL value could be dereferenced.
---
v2: Dropped patch 1: "ice: Add support for classid based queue selection"
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Mat Martineau says:
====================
mptcp: Improve MPTCP-level window tracking
This series improves MPTCP receive window compliance with RFC 8684 and
helps increase throughput on high-speed links. Note that patch 3 makes a
change in tcp_output.c
For the details, Paolo says:
I've been chasing bad/unstable performance with multiple subflows
on very high speed links.
It looks like the root cause is due to the current mptcp-level
congestion window handling. There are apparently a few different
sub-issues:
- the rcv_wnd is not effectively shared on the tx side, as each
subflow takes in account only the value received by the underlaying
TCP connection. This is addressed in patch 1/5
- The mptcp-level offered wnd right edge is currently allowed to shrink.
Reading section 3.3.4.:
"""
The receive window is relative to the DATA_ACK. As in TCP, a
receiver MUST NOT shrink the right edge of the receive window (i.e.,
DATA_ACK + receive window). The receiver will use the data sequence
number to tell if a packet should be accepted at the connection
level.
"""
I read the above as we need to reflect window right-edge tracking
on the wire, see patch 4/5.
- The offered window right edge tracking can happen concurrently on
multiple subflows, but there is no mutex protection. We need an
additional atomic operation - still patch 4/5
This series additionally bumps a few new MIBs to track all the above
(ensure/observe that the suspected races actually take place).
I could not access again the host where the issue was so
noticeable, still in the current setup the tput changes from
[6-18] Gbps to 19Gbps very stable.
====================
Link: https://lore.kernel.org/r/20220504215408.349318-1-mathew.j.martineau@linux.intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Track the exceptional handling of MPTCP-level offered window
with a few more counters for observability.
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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As per RFC, the offered MPTCP-level window should never shrink.
While we currently track the right edge, we don't enforce the
above constraint on the wire.
Additionally, concurrent xmit on different subflows can end-up in
erroneous right edge update.
Address the above explicitly updating the announced window and
protecting the update with an additional atomic operation (sic)
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The MPTCP RFC requires that the MPTCP-level receive window's
right edge never moves backward. Currently the MPTCP code
enforces such constraint while tracking the right edge, but it
does not reflects it on the wire, as MPTCP lacks a suitable hook
to update accordingly the TCP header.
This change modifies the existing mptcp_write_options() hook,
providing the current packet's TCP header to the MPTCP protocol,
so that the next patch could implement the above mentioned
constraint.
No functional changes intended.
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Bump a counter for counter when snd_wnd is shared among subflow,
for observability's sake.
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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As per RFC, mptcp subflows use a "shared" snd_wnd: the effective
window is the maximum among the current values received on all
subflows. Without such feature a data transfer using multiple
subflows could block.
Window sharing is currently implemented in the RX side:
__tcp_select_window uses the mptcp-level receive buffer to compute
the announced window.
That is not enough: the TCP stack will stick to the window size
received on the given subflow; we need to propagate the msk window
value on each subflow at xmit time.
Change the packet scheduler to ignore the subflow level window
and use instead the msk level one
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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There is export_uuid() function which exports uuid_t to the u8 array.
Use it instead of open coding variant.
This allows to hide the uuid_t internals.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20220504091407.70661-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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msg_zerocopy_alloc is only used by msg_zerocopy_realloc; remove the
export and make static in skbuff.c
Signed-off-by: David Ahern <dsahern@kernel.org>
Acked-by: Jonathan Lemon <jonathan.lemon@gmail.com>
Link: https://lore.kernel.org/r/20220504170947.18773-1-dsahern@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Make the drivers with custom tx napi weight call netif_napi_add_tx_weight().
Reviewed-by: Xuan Zhuo <xuanzhuo@linux.alibaba.com>
Link: https://lore.kernel.org/r/20220504163725.550782-2-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Switch net callers to the new API not requiring
the NAPI_POLL_WEIGHT argument.
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-by: Alex Elder <elder@linaro.org>
Acked-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Acked-by: Alexandra Winter <wintera@linux.ibm.com>
Link: https://lore.kernel.org/r/20220504163725.550782-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Remove a define which looks like a OS abstraction layer
and makes spatch conversions on this driver problematic.
Link: https://lore.kernel.org/r/20220504163939.551231-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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powerpc's asm/prom.h includes some headers that it doesn't
need itself.
In order to clean powerpc's asm/prom.h up in a further step,
first clean all files that include asm/prom.h
Some files don't need asm/prom.h at all. For those ones,
just remove inclusion of asm/prom.h
Some files don't need any of the items provided by asm/prom.h,
but need some of the headers included by asm/prom.h. For those
ones, add the needed headers that are brought by asm/prom.h at
the moment and remove asm/prom.h
Some files really need asm/prom.h but also need some of the
headers included by asm/prom.h. For those one, leave asm/prom.h
but also add the needed headers so that they can be removed
from asm/prom.h in a later step.
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Link: https://lore.kernel.org/r/09a13d592d628de95d30943e59b2170af5b48110.1651663857.git.christophe.leroy@csgroup.eu
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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powerpc's <asm/prom.h> includes some headers that it doesn't
need itself.
In order to clean powerpc's <asm/prom.h> up in a further step,
first clean all files that include <asm/prom.h>
sungem_phy.c doesn't use any object provided by <asm/prom.h>.
But removing inclusion of <asm/prom.h> leads to the following
errors:
CC drivers/net/sungem_phy.o
drivers/net/sungem_phy.c: In function 'bcm5421_init':
drivers/net/sungem_phy.c:448:42: error: implicit declaration of function 'of_get_parent'; did you mean 'dget_parent'? [-Werror=implicit-function-declaration]
448 | struct device_node *np = of_get_parent(phy->platform_data);
| ^~~~~~~~~~~~~
| dget_parent
drivers/net/sungem_phy.c:448:42: warning: initialization of 'struct device_node *' from 'int' makes pointer from integer without a cast [-Wint-conversion]
drivers/net/sungem_phy.c:450:35: error: implicit declaration of function 'of_get_property' [-Werror=implicit-function-declaration]
450 | if (np == NULL || of_get_property(np, "no-autolowpower", NULL))
| ^~~~~~~~~~~~~~~
Remove <asm/prom.h> from included headers but add <linux/of.h> to
handle the above.
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Link: https://lore.kernel.org/r/f7a7fab3ec5edf803d934fca04df22631c2b449d.1651662885.git.christophe.leroy@csgroup.eu
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The commit referenced in the "Fixes" tag added the SO_RCVMARK socket
option for receiving the skb mark in the ancillary data.
Since this is a new capability, and exposes admin configured details
regarding the underlying network setup to sockets, let's align the
needed capabilities with those of SO_MARK.
Fixes: 6fd1d51cfa25 ("net: SO_RCVMARK socket option for SO_MARK with recvmsg()")
Signed-off-by: Eyal Birger <eyal.birger@gmail.com>
Link: https://lore.kernel.org/r/20220504095459.2663513-1-eyal.birger@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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This reverts commit 5e927a9f4b9f29d78a7c7d66ea717bb5c8bbad8e, reversing
changes made to cfc1d91a7d78cf9de25b043d81efcc16966d55b3.
The discussion is still ongoing so let's remove the uAPI
until the discussion settles.
Link: https://lore.kernel.org/all/20220425090021.32e9a98f@kernel.org/
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Link: https://lore.kernel.org/r/20220504154037.539442-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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tools/testing/selftests/net/forwarding/Makefile
f62c5acc800e ("selftests/net/forwarding: add missing tests to Makefile")
50fe062c806e ("selftests: forwarding: new test, verify host mdb entries")
https://lore.kernel.org/all/20220502111539.0b7e4621@canb.auug.org.au/
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The ice_for_each_vf macros have comments describing the implementation. One
of the arguments has a period on the end, which is not our typical style.
Remove the unnecessary period.
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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This function definition was missing a comment describing its
implementation. Add one.
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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The comment explaining ice_reset_vf has an extraneous "the" with the "if
the resets are disabled". Remove it.
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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Since commit fe99d1c06c16 ("ice: make ice_reset_all_vfs void"), the
ice_reset_all_vfs function has not returned anything. The function comment
still indicated it did. Fix this.
While here, also add a line to clarify the function resets all VFs at once
in response to hardware resets such as a PF reset.
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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The ice_get_vf_vsi function can return NULL in some cases, such as if
handling messages during a reset where the VSI is being removed and
recreated.
Several places throughout the driver do not bother to check whether this
VSI pointer is valid. Static analysis tools maybe report issues because
they detect paths where a potentially NULL pointer could be dereferenced.
Fix this by checking the return value of ice_get_vf_vsi everywhere.
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Reviewed-by: Paul Menzel <pmenzel@molgen.mpg.de>
Tested-by: Konrad Jankowski <konrad0.jankowski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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The debug print in ice_vf_fdir_dump_info does not end in newlines. This can
look confusing when reading the kernel log, as the next print will
immediately continue on the same line.
Fix this by adding the forgotten newline.
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Reviewed-by: Paul Menzel <pmenzel@molgen.mpg.de>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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Switch id should be the same for each netdevice on a driver.
The id must be unique between devices on the same system, but
does not need to be unique between devices on different systems.
The switch id is used to locate ports on a switch and to know if
aggregated ports belong to the same switch.
To meet this requirements, use pci_get_dsn as switch id value, as
this is unique value for each devices on the same system.
Implementing switch id is needed by automatic tools for kubernetes.
Set switch id by setting devlink port attribiutes and calling
devlink_port_attrs_set while creating pf (for uplink) and vf
(for representator) devlink port.
To get switch id (in switchdev mode):
cat /sys/class/net/$PF0/phys_switch_id
Signed-off-by: Michal Swiatkowski <michal.swiatkowski@linux.intel.com>
Signed-off-by: Marcin Szycik <marcin.szycik@linux.intel.com>
Tested-by: Sandeep Penigalapati <sandeep.penigalapati@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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When number of words exceeds ICE_MAX_CHAIN_WORDS, -ENOSPC
should be returned not -EINVAL. Do not overwrite this
error code in ice_add_tc_flower_adv_fltr.
Signed-off-by: Wojciech Drewek <wojciech.drewek@intel.com>
Suggested-by: Marcin Szycik <marcin.szycik@linux.intel.com>
Acked-by: Maciej Fijalkowski <maciej.fijalkowski@intel.com>
Tested-by: Sandeep Penigalapati <sandeep.penigalapati@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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