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Provide a function that reports NAN DE function termination. The function
may be terminated due to one of the following reasons: user request,
ttl expiration or failure.
If the NAN instance is tied to the owner, the notification will be
sent to the socket that started the NAN interface only
Signed-off-by: Andrei Otcheretianski <andrei.otcheretianski@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Provide a function the driver can call to report a match.
This will send the event to the user space.
If the NAN instance is tied to the owner, the notifications will be
sent to the socket that started the NAN interface only.
Signed-off-by: Andrei Otcheretianski <andrei.otcheretianski@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Some NAN configuration paramaters may change during the operation of
the NAN device. For example, a user may want to update master preference
value when the device gets plugged/unplugged to the power.
Add API that allows to do so.
Signed-off-by: Andrei Otcheretianski <andrei.otcheretianski@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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A NAN function can be either publish, subscribe or follow
up. Make all the necessary verifications and just pass the
request to the driver.
Allow the user space application that starts NAN to
forbid any other socket to add or remove functions.
Signed-off-by: Andrei Otcheretianski <andrei.otcheretianski@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Ayala Beker <ayala.beker@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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This code doesn't do much besides allowing to start and
stop the vif.
Signed-off-by: Andrei Otcheretianski <andrei.otcheretianski@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Ayala Beker <ayala.beker@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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This allows user space to start/stop NAN interface.
A NAN interface is like P2P device in a few aspects: it
doesn't have a netdev associated to it.
Add the new interface type and prevent operations that
can't be executed on NAN interface like scan.
Define several attributes that may be configured by user space
when starting NAN functionality (master preference and dual
band operation)
Signed-off-by: Andrei Otcheretianski <andrei.otcheretianski@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Add support for drivers that implement static WEP internally, i.e.
expose connection keys to the driver in connect flow and don't
upload the keys after the connection.
Signed-off-by: David Spinadel <david.spinadel@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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The TXQ path restructure requires ieee80211_tx_dequeue() to call TX
handlers and parts of the xmit_fast path. Move the function to later in
tx.c in preparation for this.
Signed-off-by: Toke Høiland-Jørgensen <toke@toke.dk>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Jouni reported that during (repeated) wext_pmf test runs (from the
wpa_supplicant hwsim test suite) the kernel crashes. The reason is
that after the key is set, the wext code still unnecessarily stores
it into the key cache. Despite smatch pointing out an overflow, I
failed to identify the possibility for this in the code and missed
it during development of the earlier patch series.
In order to fix this, simply check that we never store anything but
WEP keys into the cache, adding a comment as to why that's enough.
Also, since the cache is still allocated early even if it won't be
used in many cases, add a comment explaining why - otherwise we'd
have to roll back key settings to the driver in case of allocation
failures, which is far more difficult.
Fixes: 89b706fb28e4 ("cfg80211: reduce connect key caching struct size")
Reported-by: Jouni Malinen <j@w1.fi>
Bisected-by: Jouni Malinen <j@w1.fi>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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The previous commit added support for specifying the beacon rate
for AP mode. Add features checks to this, and extend it to also
support the rate configuration for mesh networks. For IBSS it's
not as simple due to joining etc., so that's not yet supported.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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This allows an option to configure a single beacon tx rate for an AP.
Signed-off-by: Purushottam Kushwaha <pkushwah@qti.qualcomm.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next
Johannes Berg says:
====================
This time we have various things - all across the board:
* MU-MIMO sniffer support in mac80211
* a create_singlethread_workqueue() cleanup
* interface dump filtering that was documented but not implemented
* support for the new radiotap timestamp field
* send delBA in two unexpected conditions (as required by the spec)
* connect keys cleanups - allow only WEP with index 0-3
* per-station aggregation limit to work around broken APs
* debugfs improvement for the integrated codel algorithm
and various other small improvements and cleanups.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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A couple of dev_err messages span two lines and the literal
string is missing a white space between words. Add the white
space and join the two lines into one.
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Acked-by: FLorian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When fq is used on 32bit kernels, we need to lock the qdisc before
copying 64bit fields.
Otherwise "tc -s qdisc ..." might report bogus values.
Fixes: afe4fd062416 ("pkt_sched: fq: Fair Queue packet scheduler")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Instead of using flow stats per NUMA node, use it per CPU. When using
megaflows, the stats lock can be a bottleneck in scalability.
On a E5-2690 12-core system, usual throughput went from ~4Mpps to
~15Mpps when forwarding between two 40GbE ports with a single flow
configured on the datapath.
This has been tested on a system with possible CPUs 0-7,16-23. After
module removal, there were no corruption on the slab cache.
Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@redhat.com>
Cc: pravin shelar <pshelar@ovn.org>
Acked-by: Pravin B Shelar <pshelar@ovn.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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On a system with only node 1 as possible, all statistics is going to be
accounted on node 0 as it will have a single writer.
However, when getting and clearing the statistics, node 0 is not going
to be considered, as it's not a possible node.
Tested that statistics are not zero on a system with only node 1
possible. Also compile-tested with CONFIG_NUMA off.
Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@redhat.com>
Acked-by: Pravin B Shelar <pshelar@ovn.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Xin Long says:
====================
sctp: fix the transmit err process
This patchset is to improve the transmit err process and also fix some
issues.
After this patchset, once the chunks are enqueued successfully, even
if the chunks fail to send out, no matter because of nodst or nomem,
no err retruns back to users any more. Instead, they are taken care
of by retransmit.
v1->v2:
- add more details to the changelog in patch 1/6
- add Fixes: tag in patch 2/6, 3/6
- also revert 69b5777f2e57 in patch 3/6
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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As David and Marcelo's suggestion, ENOMEM err shouldn't return back to
user in transmit path. Instead, sctp's retransmit would take care of
the chunks that fail to send because of ENOMEM.
This patch is only to do some release job when alloc_skb fails, not to
return ENOMEM back any more.
Besides, it also cleans up sctp_packet_transmit's err path, and fixes
some issues in err path:
- It didn't free the head skb in nomem: path.
- No need to check nskb in no_route: path.
- It should goto err: path if alloc_skb fails for head.
- Not all the NOMEMs should free nskb.
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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sctp_outq_flush return value is meaningless now, this patch is
to make sctp_outq_flush return void, as well as sctp_outq_fail
and sctp_outq_uncork.
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Every time when sctp calls sctp_outq_flush, it sends out the chunks of
control queue, retransmit queue and data queue. Even if some trunks are
failed to transmit, it still has to flush all the transports, as it's
the only chance to clean that transmit_list.
So the latest transmit error here should be returned back. This transmit
error is an internal error of sctp stack.
I checked all the places where it uses the transmit error (the return
value of sctp_outq_flush), most of them are actually just save it to
sk_err.
Except for sctp_assoc/endpoint_bh_rcv, they will drop the chunk if
it's failed to send a REPLY, which is actually incorrect, as we can't
be sure the error that sctp_outq_flush returns is from sending that
REPLY.
So it's meaningless for sctp_outq_flush to return error back.
This patch is to save transmit error to sk_err in sctp_outq_flush, the
new error can update the old value. Eventually, sctp_wait_for_* would
check for it.
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Last patch "sctp: do not return the transmit err back to sctp_sendmsg"
made sctp_primitive_SEND return err only when asoc state is unavailable.
In this case, chunks are not enqueued, they have no chance to be freed if
we don't take care of them later.
This Patch is actually to revert commit 1cd4d5c4326a ("sctp: remove the
unused sctp_datamsg_free()"), commit 69b5777f2e57 ("sctp: hold the chunks
only after the chunk is enqueued in outq") and commit 8b570dc9f7b6 ("sctp:
only drop the reference on the datamsg after sending a msg"), to use
sctp_datamsg_free to free the chunks of current msg.
Fixes: 8b570dc9f7b6 ("sctp: only drop the reference on the datamsg after sending a msg")
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Once a chunk is enqueued successfully, sctp queues can take care of it.
Even if it is failed to transmit (like because of nomem), it should be
put into retransmit queue.
If sctp report this error to users, it confuses them, they may resend
that msg, but actually in kernel sctp stack is in charge of retransmit
it already.
Besides, this error probably is not from the failure of transmitting
current msg, but transmitting or retransmitting another msg's chunks,
as sctp_outq_flush just tries to send out all transports' chunks.
This patch is to make sctp_cmd_send_msg return avoid, and not return the
transmit err back to sctp_sendmsg
Fixes: 8b570dc9f7b6 ("sctp: only drop the reference on the datamsg after sending a msg")
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Data Chunks are only sent by sctp_primitive_SEND, in which sctp checks
the asoc's state through statetable before calling sctp_outq_tail. So
there's no need to check the asoc's state again in sctp_outq_tail.
Besides, sctp_do_sm is protected by lock_sock, even if sending msg is
interrupted by timer events, the event's processes still need to acquire
lock_sock first. It means no others CMDs can be enqueue into side effect
list before CMD_SEND_MSG to change asoc->state, so it's safe to remove it.
This patch is to remove redundant asoc->state check from sctp_outq_tail.
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Alexei Starovoitov says:
====================
ip_tunnel: add collect_md mode to IPv4/IPv6 tunnels
Similar to geneve, vxlan, gre tunnels implement 'collect metadata' mode
in ipip, ipip6, ip6ip6 tunnels.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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the test creates 3 namespaces with veth connected via bridge.
First two namespaces simulate two different hosts with the same
IPv4 and IPv6 addresses configured on the tunnel interface and they
communicate with outside world via standard tunnels.
Third namespace creates collect_md tunnel that is driven by BPF
program which selects different remote host (either first or
second namespace) based on tcp dest port number while tcp dst
ip is the same.
This scenario is rough approximation of load balancer use case.
The tests check both traditional tunnel configuration and collect_md mode.
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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extend existing tests for vxlan, geneve, gre to include IPIP tunnel.
It tests both traditional tunnel configuration and
dynamic via bpf helpers.
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Similar to gre, vxlan, geneve tunnels allow IPIP6 and IP6IP6 tunnels
to operate in 'collect metadata' mode.
Unlike ipv4 code here it's possible to reuse ip6_tnl_xmit() function
for both collect_md and traditional tunnels.
bpf_skb_[gs]et_tunnel_key() helpers and ovs (in the future) are the users.
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Thomas Graf <tgraf@suug.ch>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Similar to gre, vxlan, geneve tunnels allow IPIP tunnels to
operate in 'collect metadata' mode.
bpf_skb_[gs]et_tunnel_key() helpers can make use of it right away.
ovs can use it as well in the future (once appropriate ovs-vport
abstractions and user apis are added).
Note that just like in other tunnels we cannot cache the dst,
since tunnel_info metadata can be different for every packet.
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Thomas Graf <tgraf@suug.ch>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Check for net_device_ops structures that are only stored in the netdev_ops
field of a net_device structure. This field is declared const, so
net_device_ops structures that have this property can be declared as const
also.
The semantic patch that makes this change is as follows:
(http://coccinelle.lip6.fr/)
// <smpl>
@r disable optional_qualifier@
identifier i;
position p;
@@
static struct net_device_ops i@p = { ... };
@ok@
identifier r.i;
struct net_device e;
position p;
@@
e.netdev_ops = &i@p;
@bad@
position p != {r.p,ok.p};
identifier r.i;
struct net_device_ops e;
@@
e@i@p
@depends on !bad disable optional_qualifier@
identifier r.i;
@@
static
+const
struct net_device_ops i = { ... };
// </smpl>
The result of size on this file before the change is:
text data bss dec hex filename
3401 931 44 4376 1118 net/l2tp/l2tp_eth.o
and after the change it is:
text data bss dec hex filename
3993 347 44 4384 1120 net/l2tp/l2tp_eth.o
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Check for net_device_ops structures that are only stored in the netdev_ops
field of a net_device structure. This field is declared const, so
net_device_ops structures that have this property can be declared as const
also.
The semantic patch that makes this change is as follows:
(http://coccinelle.lip6.fr/)
// <smpl>
@r disable optional_qualifier@
identifier i;
position p;
@@
static struct net_device_ops i@p = { ... };
@ok@
identifier r.i;
struct net_device e;
position p;
@@
e.netdev_ops = &i@p;
@bad@
position p != {r.p,ok.p};
identifier r.i;
struct net_device_ops e;
@@
e@i@p
@depends on !bad disable optional_qualifier@
identifier r.i;
@@
static
+const
struct net_device_ops i = { ... };
// </smpl>
The result of size on this file before the change is:
text data bss dec hex filename
21623 1316 40 22979 59c3
drivers/net/ethernet/synopsys/dwc_eth_qos.o
and after the change it is:
text data bss dec hex filename
22199 724 40 22963 59b3
drivers/net/ethernet/synopsys/dwc_eth_qos.o
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Check for net_device_ops structures that are only stored in the netdev_ops
field of a net_device structure. This field is declared const, so
net_device_ops structures that have this property can be declared as const
also.
The semantic patch that makes this change is as follows:
(http://coccinelle.lip6.fr/)
// <smpl>
@r disable optional_qualifier@
identifier i;
position p;
@@
static struct net_device_ops i@p = { ... };
@ok@
identifier r.i;
struct net_device e;
position p;
@@
e.netdev_ops = &i@p;
@bad@
position p != {r.p,ok.p};
identifier r.i;
struct net_device_ops e;
@@
e@i@p
@depends on !bad disable optional_qualifier@
identifier r.i;
@@
static
+const
struct net_device_ops i = { ... };
// </smpl>
The result of size on this file before the change is:
text data bss dec hex filename
7995 848 8 8851 2293
drivers/net/ethernet/hisilicon/hip04_eth.o
and after the change it is:
text data bss dec hex filename
8571 256 8 8835 2283
drivers/net/ethernet/hisilicon/hip04_eth.o
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>
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(As asked by Dave in Februrary)
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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No longer used after e0d56fdd73422 ("net: l3mdev: remove redundant calls")
Signed-off-by: David Ahern <dsa@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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No longer used after d66f6c0a8f3c0 ("net: ipv4: Remove l3mdev_get_saddr")
Signed-off-by: David Ahern <dsa@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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With large BDP TCP flows and lossy networks, it is very important
to keep a low number of skbs in the write queue.
RACK and SACK processing can perform a linear scan of it.
We should avoid putting any payload in skb->head, so that SACK
shifting can be done if needed.
With this patch, we allow to pack ~0.5 MB per skb instead of
the 64KB initially cooked at tcp_sendmsg() time.
This gives a reduction of number of skbs in write queue by eight.
tcp_rack_detect_loss() likes this.
We still allow payload in skb->head for first skb put in the queue,
to not impact RPC workloads.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Yuchung Cheng <ycheng@google.com>
Acked-by: Yuchung Cheng <ycheng@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers-next
Kalle Valo says:
====================
wireless-drivers-next patches for 4.9
Major changes:
iwlwifi
* preparation for new a000 HW continues
* some DQA improvements
* add support for GMAC
* add support for 9460, 9270 and 9170 series
mwifiex
* support random MAC address for scanning
* add HT aggregation support for adhoc mode
* add custom regulatory domain support
* add manufacturing mode support via nl80211 testmode interface
bcma
* support BCM53573 series of wireless SoCs
bitfield.h
* add FIELD_PREP() and FIELD_GET() macros
mt7601u
* convert to use the new bitfield.h macros
brcmfmac
* add support for bcm4339 chip with modalias sdio:c00v02D0d4339
ath10k
* add nl80211 testmode support for 10.4 firmware
* hide kernel addresses from logs using %pK format specifier
* implement NAPI support
* enable peer stats by default
ath9k
* use ieee80211_tx_status_noskb where possible
wil6210
* extract firmware capabilities from the firmware file
ath6kl
* enable firmware crash dumps on the AR6004
ath-current is also merged to fix a conflict in ath10k.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Tariq Toukan says:
====================
mlx5e Order-0 pages for Striding RQ
In this series, we refactor our Striding RQ receive-flow to always use
fragmented WQEs (Work Queue Elements) using order-0 pages, omitting the
flow that allocates and splits high-order pages which would fragment
and deplete high-order pages in the system.
The first patch gives a slight degradation, but opens the opportunity
to using a simple page-cache mechanism of a fair size.
The page-cache, implemented in patch 3, not only closes the performance
gap but even gives a gain.
In patch 2 we re-organize the code to better manage the calls for
alloc/de-alloc pages in the RX flow.
Series generated against net-next commit:
bed806cb266e "Merge branch 'mlxsw-ethtool'"
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Instead of reallocating and mapping pages for RX data-path,
recycle already used pages in a per ring cache.
Performance tests:
The following results were measured on a freshly booted system,
giving optimal baseline performance, as high-order pages are yet to
be fragmented and depleted.
We ran pktgen single-stream benchmarks, with iptables-raw-drop:
Single stride, 64 bytes:
* 4,739,057 - baseline
* 4,749,550 - order0 no cache
* 4,786,899 - order0 with cache
1% gain
Larger packets, no page cross, 1024 bytes:
* 3,982,361 - baseline
* 3,845,682 - order0 no cache
* 4,127,852 - order0 with cache
3.7% gain
Larger packets, every 3rd packet crosses a page, 1500 bytes:
* 3,731,189 - baseline
* 3,579,414 - order0 no cache
* 3,931,708 - order0 with cache
5.4% gain
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Manage the allocation and deallocation of mapped RX pages only
through dedicated API functions.
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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To improve the memory consumption scheme, we omit the flow that
demands and splits high-order pages in Striding RQ, and stay
with a single Striding RQ flow that uses order-0 pages.
Moving to fragmented memory allows the use of larger MPWQEs,
which reduces the number of UMR posts and filler CQEs.
Moving to a single flow allows several optimizations that improve
performance, especially in production servers where we would
anyway fallback to order-0 allocations:
- inline functions that were called via function pointers.
- improve the UMR post process.
This patch alone is expected to give a slight performance reduction.
However, the new memory scheme gives the possibility to use a page-cache
of a fair size, that doesn't inflate the memory footprint, which will
dramatically fix the reduction and even give a performance gain.
Performance tests:
The following results were measured on a freshly booted system,
giving optimal baseline performance, as high-order pages are yet to
be fragmented and depleted.
We ran pktgen single-stream benchmarks, with iptables-raw-drop:
Single stride, 64 bytes:
* 4,739,057 - baseline
* 4,749,550 - this patch
no reduction
Larger packets, no page cross, 1024 bytes:
* 3,982,361 - baseline
* 3,845,682 - this patch
3.5% reduction
Larger packets, every 3rd packet crosses a page, 1500 bytes:
* 3,731,189 - baseline
* 3,579,414 - this patch
4% reduction
Fixes: 461017cb006a ("net/mlx5e: Support RX multi-packet WQE (Striding RQ)")
Fixes: bc77b240b3c5 ("net/mlx5e: Add fragmented memory support for RX multi packet WQE")
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add CONFIG_AF_RXRPC_IPV6 and make the IPv6 support code conditional on it.
This is then made conditional on CONFIG_IPV6.
Without this, the following can be seen:
net/built-in.o: In function `rxrpc_init_peer':
>> peer_object.c:(.text+0x18c3c8): undefined reference to `ip6_route_output_flags'
Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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There are a few places where an IE that matches not only the EID, but
also other bytes inside the element, needs to be found. To simplify
that and reduce the amount of similar code, implement a new helper
function to match the EID and an extra array of bytes.
Additionally, simplify cfg80211_find_vendor_ie() by using the new
match function.
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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There's no need to initialize at runtime, when the static
declaration macro can just be used instead, so do that.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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In 46fa38e84b65 ("mac80211: allow software PS-Poll/U-APSD with
AP_LINK_PS"), Johannes allowed to use mac80211's code for handling
stations that go to PS or send PS-Poll / uAPSD trigger frames for
devices that enable RSS.
This means that mac80211 doesn't look at frames anymore but rather
relies on a notification that will come from the device when a PS
transition occurs or when a PS-Poll / trigger frame is detected by
the device.
iwlwifi will need this capability but still needs mac80211 to take
care of the TIM IE. Today, if a driver sets AP_LINK_PS, mac80211
will not update the TIM IE. Change mac80211 to check existence of
the set_tim driver callback rather than using AP_LINK_PS to decide
if the driver handles the TIM IE internally or not.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
[reword commit message a bit]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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John Crispin says:
====================
net-next: dsa: add QCA8K support
This series is based on the AR8xxx series posted by Matthieu Olivari in may
2015. The following changes were made since then
* fixed the nitpicks from the previous review
* updated to latest API
* turned it into an mdio device
* added callbacks for fdb, bridge offloading, stp, eee, port status
* fixed several minor issues to the port setup and arp learning
* changed the namespacing as this driver to qca8k
The driver has so far only been tested on qca8337/N. It should work on other QCA
switches such as the qca8327 with minor changes.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch contains initial support for the QCA8337 switch. It
will detect a QCA8337 switch, if present and declared in the DT.
Each port will be represented through a standalone net_device interface,
as for other DSA switches. CPU can communicate with any of the ports by
setting an IP@ on ethN interface. Most of the extra callbacks of the DSA
subsystem are already supported, such as bridge offloading, stp, fdb.
Signed-off-by: John Crispin <john@phrozen.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add support for the 2-bytes Qualcomm tag that gigabit switches such as
the QCA8337/N might insert when receiving packets, or that we need
to insert while targeting specific switch ports. The tag is inserted
directly behind the ethernet header.
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: John Crispin <john@phrozen.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add device-tree binding for ar8xxx switch families.
Cc: devicetree@vger.kernel.org
Signed-off-by: John Crispin <john@phrozen.org>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Remove .owner field if calls are used which set it automatically.
Generated by: scripts/coccinelle/api/platform_no_drv_owner.cocci
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The driver core clears the driver data to NULL after device_release
or on probe failure. Thus, it is not needed to manually clear the
device driver data to NULL.
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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