Florian Fainelli says:
====================
net: dsa: Plug in PHYLINK support
This patch series adds PHYLINK support to DSA which is necessary to support more
complex PHY and pluggable modules setups.
Patch series can be found here:
https://github.com/ffainelli/linux/commits/dsa-phylink-v2
This was tested on:
- dsa-loop
- bcm_sf2
- mv88e6xxx
- b53
With a variety of test cases:
- internal & external MDIO PHYs
- MoCA with link notification through interrupt/MMIO register
- built-in PHYs
- ifconfig up/down for several cycles works
- bind/unbind of the drivers
Changes in v2:
- fixed link configuration for mv88e6xxx (Andrew) after introducing polling
This is technically v2 of what was posted back in March 2018, changes from last
time:
- fixed probe/remove of drivers
- fixed missing gpiod_put() for link GPIOs
- fixed polling of link GPIOs (Russell I would need your SoB on the patch you
provided offline initially, added some modifications to it)
- tested across a wider set of platforms
And everything should still work as expected. Please be aware of the following:
- switch drivers (like bcm_sf2) which may have user-facing network ports using
fixed links would need to implement phylink_mac_ops to remain functional.
PHYLINK does not create a phy_device for fixed links, therefore our
call to adjust_link() from phylink_mac_link_{up,down} would not be calling
into the driver. This *should not* affect CPU/DSA ports which are configured
through adjust_link() but have no network devices
- support for SFP/SFF is now possible, but switch drivers will still need some
modifications to properly support those, including, but not limited to using
the correct binding information. This will be submitted on top of this series
Please do test on your respective platforms/switches and let me know if you
find any issues, hopefully everything still works like before.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Now that we have converted the bcm_sf2 driver to implement PHYLINK MAC
operations, we can remove the PHYLIB callbacks: adjust_link() and
fixed_link_update() which are no longer called by DSA.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add support for PHYLINK within the DSA subsystem in order to support more
complex devices such as pluggable (SFP) and non-pluggable (SFF) modules, 10G
PHYs, and traditional PHYs. Using PHYLINK allows us to drop some amount of
complexity we had while probing fixed and non-fixed PHYs using Device Tree.
Because PHYLINK separates the Ethernet MAC/port configuration into different
stages, we let switch drivers implement those, and for now, we maintain
functionality by calling dsa_slave_adjust_link() during
phylink_mac_link_{up,down} which provides semantically equivalent steps.
Drivers willing to take advantage of PHYLINK should implement the phylink_mac_*
operations that DSA wraps.
We cannot quite remove the adjust_link() callback just yet, because a number of
drivers rely on that for configuring their "CPU" and "DSA" ports, this is done
dsa_port_setup_phy_of() and dsa_port_fixed_link_register_of() still.
Drivers that utilize fixed links for user-facing ports (e.g: bcm_sf2) will need
to implement phylink_mac_ops from now on to preserve functionality, since PHYLINK
*does not* create a phy_device instance for fixed links.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add rudimentary phylink support to mv88e6xxx. This allows the driver
using user ports with fixed links to keep operating normally. User ports
with normal PHYs are not affected since the switch automatically manages
their link parameters. User facing ports which use a SFP/SFF with a
non-fixed link mode might require a call to phylink_mac_change() to
operate properly.
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
[Andrew: fixed link setting after adding link polling]
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
[florian: expand commit message]
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Since we use PHYLIB to manage the per-port link indication, this will
also be reflected correctly in the network device's carrier state, so we
can use ethtool_op_get_link() instead.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Make the bcm_sf2 driver implement phylink_mac_ops since it needs to
support a wide variety of network interfaces: internal & external MDIO
PHYs, fixed PHYs, MoCA with MMIO link status.
A large amount of what needs to be done already exists under
bcm_sf2_sw_adjust_link() so we are essentially breaking this down into
the necessary operation for PHYLINK to work: mac_config, mac_link_up,
mac_link_down and validate. We can now entirely get rid of most of what
fixed_link_update() provided because only the link information is actually
necessary. We still have to force DUPLEX_FULL for legacy Device Tree bindings
that did not specify that before.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
In preparation for adding support for PHYLINK within DSA, define a number of
operations that we will need and that switch drivers can start implementing.
Proper integration with PHYLINK will follow in subsequent patches.
We start selecting PHYLINK (which implies PHYLIB) in net/dsa/Kconfig
such that drivers can be guaranteed that this dependency is properly
taken care of and can start referencing PHYLINK helper functions without
requiring stubs or anything.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When using a fixed link with a link GPIO, we need to poll that GPIO to
determine link state changes. This is consistent with what fixed_phy.c does.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
We are not releasing the link GPIO descriptor with gpiod_put() which results in
subsequent probing to get -EBUSY when calling fwnode_get_named_gpiod(). Fix this
by doing the release in phylink_destroy().
Fixes: 9525ae8395 ("phylink: add phylink infrastructure")
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The GPIO provider for the link GPIO line might require the use of the
_cansleep() API, utilize that. This is safe to do since we run in workqueue
context.
Fixes: 9525ae8395 ("phylink: add phylink infrastructure")
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Fix more memory leaks in ip_cmsg_send() callers. Part of them were fixed
earlier in 919483096b.
* udp_sendmsg one was there since the beginning when linux sources were
first added to git;
* ping_v4_sendmsg one was copy/pasted in c319b4d76b.
Whenever return happens in udp_sendmsg() or ping_v4_sendmsg() IP options
have to be freed if they were allocated previously.
Add label so that future callers (if any) can use it instead of kfree()
before return that is easy to forget.
Fixes: c319b4d76b (net: ipv4: add IPPROTO_ICMP socket kind)
Signed-off-by: Andrey Ignatov <rdna@fb.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Resources are not freed in the reverse order of the allocation.
Labels are also mixed-up.
Fix it and reorder code and labels in the error handling path of
'mlxsw_core_bus_device_register()'
Fixes: ef3116e540 ("mlxsw: spectrum: Register KVD resources with devlink")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Reviewed-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Debabrata Banerjee says:
====================
bonding: bug fixes and regressions
Fixes to bonding driver for balance-alb mode, suitable for stable.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
There was a regression at some point from the intended functionality of
commit f60c3704e8 ("bonding: Fix alb mode to only use first level
vlans.")
Given the return value vlan_get_encap_level() we need to store the nest
level of the bond device, and then compare the vlan's encap level to
this. Without this, this check always fails and learning packets are
never sent.
In addition, this same commit caused a regression in the behavior of
balance_alb, which requires learning packets be sent for all interfaces
using the slave's mac in order to load balance properly. For vlan's
that have not set a user mac, we can send after checking one bit.
Otherwise we need send the set mac, albeit defeating rx load balancing
for that vlan.
Signed-off-by: Debabrata Banerjee <dbanerje@akamai.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Make sure multicast, broadcast, and zero mac's cannot be the output of rlb
updates, which should all be directed arps. Receive load balancing will be
collapsed if any of these happen, as the switch will broadcast.
Signed-off-by: Debabrata Banerjee <dbanerje@akamai.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The regex match function regex_match_front() in the tracing filter logic,
was fixed to test just the pattern length from testing the entire test
string. That is, it went from strncmp(str, r->pattern, len) to
strcmp(str, r->pattern, r->len).
The issue is that str is not guaranteed to be nul terminated, and if r->len
is greater than the length of str, it can access more memory than is
allocated.
The solution is to add a simple test if (len < r->len) return 0.
Cc: stable@vger.kernel.org
Fixes: 285caad415 ("tracing/filters: Fix MATCH_FRONT_ONLY filter matching")
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Commit 3a4d44b616 ("ntp: Move adjtimex related compat syscalls to
native counterparts") removed the memset() in compat_get_timex(). Since
then, the compat adjtimex syscall can invoke do_adjtimex() with an
uninitialized ->tai.
If do_adjtimex() doesn't write to ->tai (e.g. because the arguments are
invalid), compat_put_timex() then copies the uninitialized ->tai field
to userspace.
Fix it by adding the memset() back.
Fixes: 3a4d44b616 ("ntp: Move adjtimex related compat syscalls to native counterparts")
Signed-off-by: Jann Horn <jannh@google.com>
Acked-by: Kees Cook <keescook@chromium.org>
Acked-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
The HW doesn't support matching on frag first/later, return error if we are
asked to offload that.
Fixes: 3f7d0eb42d ("net/mlx5e: Offload TC matching on packets being IP fragments")
Signed-off-by: Roi Dayan <roid@mellanox.com>
Reviewed-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
The host side reporting of VF vport statistics didn't include the VF
RDMA traffic.
Fixes: 3b751a2a41 ("net/mlx5: E-Switch, Introduce get vf statistics")
Signed-off-by: Adi Nissim <adin@mellanox.com>
Reported-by: Ariel Almog <ariela@mellanox.com>
Reviewed-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Some platforms require IRQs to be free'd in the shutdown path. Otherwise
they will fail to be reallocated after a kexec.
Fixes: 8812c24d28 ("net/mlx5: Add fast unload support in shutdown flow")
Signed-off-by: Daniel Jurgens <danielj@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Fix the kernel call initiation to set the minimum security level for kernel
initiated calls (such as from kAFS) from the sockopt value.
Fixes: 19ffa01c9c ("rxrpc: Use structs to hold connection params and protocol info")
Signed-off-by: David Howells <dhowells@redhat.com>
AF_RXRPC tries to turn on IP_RECVERR and IP_MTU_DISCOVER on the UDP socket
it just opened for communications with the outside world, regardless of the
type of socket. Unfortunately, this doesn't work with an AF_INET6 socket.
Fix this by turning on IPV6_RECVERR and IPV6_MTU_DISCOVER instead if the
socket is of the AF_INET6 family.
Without this, kAFS server and address rotation doesn't work correctly
because the algorithm doesn't detect received network errors.
Fixes: 75b54cb57c ("rxrpc: Add IPv6 support")
Signed-off-by: David Howells <dhowells@redhat.com>
The expect_rx_by call timeout is supposed to be set when a call is started
to indicate that we need to receive a packet by that point. This is
currently put back every time we receive a packet, but it isn't started
when we first send a packet. Without this, the call may wait forever if
the server doesn't deign to reply.
Fix this by setting the timeout upon a successful UDP sendmsg call for the
first DATA packet. The timeout is initiated only for initial transmission
and not for subsequent retries as we don't want the retry mechanism to
extend the timeout indefinitely.
Fixes: a158bdd324 ("rxrpc: Fix call timeouts")
Reported-by: Marc Dionne <marc.dionne@auristor.com>
Signed-off-by: David Howells <dhowells@redhat.com>
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Merge tag 'linux-can-fixes-for-4.17-20180510' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can
Marc Kleine-Budde says:
====================
this is a pull request for net/master consisting of 2 patches.
Both patches are from Lukas Wunner and fix two problems found in the
hi311x CAN driver under high load situations.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Trivial fix to spelling mistake in DP_VERBOSE message text
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add sg table initialization to fix a BUG_ON encountered when enabling
CONFIG_DEBUG_SG.
Signed-off-by: Boris Pismenny <borisp@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
fix the wrong conversion where 1 Mbps was converted to
1024 Kbps.
Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Ido Schimmel says:
====================
mlxsw: Support VLAN devices in mirroring offloads
Petr says:
When offloading "tc action mirred mirror", there are several scenarios
where VLAN devices can show up, that mlxsw can offload on Spectrum
machines.
I) A direct mirror to a VLAN device on top of a front-panel port device
(commonly referred to as "RSPAN")
II) VLAN device in egress path of a packet when resolving a mirror to
gretap or ip6gretap netdevice.
Specifically in the latter case, the following are the cases that can be
offloaded:
IIa) VLAN device directly above a physical device.
IIb) A VLAN-unaware bridge where the egress device is as in IIa.
IIc) VLAN device on top of a VLAN-aware bridge where the egress device
is a physical device.
This patch set implements all the above cases.
First, in patch #1, br_vlan_get_info() is extended to allow bridge
master argument.
Case I is then implemented in patches #2 and #3, case II in patch #4.
Note that handling of VLAN protocol is not included. In case I, mirrored
packets may end up being double-tagged, and it might be reasonable for
the outer tag to be an 802.1ad. However, the protocol type configuration
would have to be put on the same VLAN netdevice that represents normal
VLAN traffic, and mlxsw currently ignores this setting in that case. Thus
this support was left out and the encapsulation always uses 802.1q
protocol.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
When mirroring to a gretap or ip6gretap device, allow the underlay
packet path to include VLAN devices. The following configurations are
supported in underlay:
- vlan over phys
- vlan-unaware bridge where the egress device is vlan over phys
- vlan over vlan-aware bridge where the egress device is phys
Signed-off-by: Petr Machata <petrm@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Offload "tc action mirred mirror" to a device that is a vlan device on
top of a front-panel port device. The hardware encapsulates the mirrored
packets in a VLAN tag. That includes the case that the mirrored traffic
is already VLAN-tagged--in that case the monitor traffic will be
double-tagged, just like in the software path.
Signed-off-by: Petr Machata <petrm@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add MLXSW_REG_MPAT_SPAN_TYPE_REMOTE_ETH to support VLAN-encapsulated
port mirroring.
Signed-off-by: Petr Machata <petrm@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Mirroring offload in mlxsw needs to check that a given VLAN is allowed
to ingress the bridge device. br_vlan_get_info() is the function that is
used for this, however currently it only supports bridge port devices.
Extend it to support bridge masters as well.
Signed-off-by: Petr Machata <petrm@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Acked-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
In Commit 1f45f78f8e ("sctp: allow GSO frags to access the chunk too"),
it held the chunk in sctp_ulpevent_make_rcvmsg to access it safely later
in recvmsg. However, it also added sctp_chunk_put in fail_mark err path,
which is only triggered before holding the chunk.
syzbot reported a use-after-free crash happened on this err path, where
it shouldn't call sctp_chunk_put.
This patch simply removes this call.
Fixes: 1f45f78f8e ("sctp: allow GSO frags to access the chunk too")
Reported-by: syzbot+141d898c5f24489db4aa@syzkaller.appspotmail.com
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Acked-by: Neil Horman <nhorman@tuxdriver.com>
Acked-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
If an error occurs, 'mlx4_en_destroy_netdev()' is called.
It then calls 'mlx4_en_free_resources()' which does the needed resources
cleanup.
So, doing some explicit kfree in the error handling path would lead to
some double kfree.
Simplify code to avoid such a case.
Fixes: 67f8b1dcb9 ("net/mlx4_en: Refactor the XDP forwarding rings scheme")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Reviewed-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This version has some suggestions by Eric Dumazet:
- Use a local variable for the mark in IPv6 instead of ctl_sk to avoid SMP
races.
- Use the more elegant "IP4_REPLY_MARK(net, skb->mark) ?: sk->sk_mark"
statement.
- Factorize code as sk_fullsock() check is not necessary.
Aidan McGurn from Openwave Mobility systems reported the following bug:
"Marked routing is broken on customer deployment. Its effects are large
increase in Uplink retransmissions caused by the client never receiving
the final ACK to their FINACK - this ACK misses the mark and routes out
of the incorrect route."
Currently marks are added to sk_buffs for replies when the "fwmark_reflect"
sysctl is enabled. But not for TW sockets that had sk->sk_mark set via
setsockopt(SO_MARK..).
Fix this in IPv4/v6 by adding tw->tw_mark for TIME_WAIT sockets. Copy the the
original sk->sk_mark in __inet_twsk_hashdance() to the new tw->tw_mark location.
Then progate this so that the skb gets sent with the correct mark. Do the same
for resets. Give the "fwmark_reflect" sysctl precedence over sk->sk_mark so that
netfilter rules are still honored.
Signed-off-by: Jon Maxwell <jmaxwell37@gmail.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
INET_CSK_DEBUG is always set and only is used for 2 pr_debug calls.
EXPORT_SYMBOL(inet_csk_timer_bug_msg) is only used by these 2
pr_debug calls and is also unnecessary as the exported string can
be used directly by these calls.
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The hyper-v transparent bonding should have used master_dev_link.
The netvsc device should look like a master bond device not
like the upper side of a tunnel.
This makes the semantics the same so that userspace applications
looking at network devices see the correct master relationshipship.
Fixes: 0c195567a8 ("netvsc: transparent VF management")
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
* WMM element validation
* SAE timeout
* add-BA timeout
* docbook parsing
* a few memory leaks in error paths
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Merge tag 'mac80211-for-davem-2018-05-09' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211
Johannes Berg says:
====================
We only have a few fixes this time:
* WMM element validation
* SAE timeout
* add-BA timeout
* docbook parsing
* a few memory leaks in error paths
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
The liquidio_watchdog kernel thread is watching over only 12 cores of the
Octeon CN23XX; it's neglecting the other 4 cores that are present in the
CN2360. Fix it by defining LIO_MAX_CORES as 16.
Signed-off-by: Felix Manlunas <felix.manlunas@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Jeff Kirsher says:
====================
100GbE Intel Wired LAN Driver Updates 2018-05-09
This series contains updates to fm10k only.
Jake provides all the changes in the series, starting with adding
support for accelerated MACVLAN devices. Reduced code duplication by
implementing a macro to be used when setting up the type specific
macros. Avoided potential bugs with stats by using a macro to calculate
the array size when passing to ensure that the size is correct.
v2: changed macro reference '#' with __stringify() as suggested by
Joe Perches to patch 2 of the series. Also made sure the updated
series of patches is actually pushed to my kernel.org tree
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
- correct a typo in the value of 'matchPattern' of test 282d, potentially
causing false negative
- allow errors when 'teardown' executes '$TC action flush action bpf' in
test 282d, to fix false positive when it is run with act_bpf unloaded
- correct the value of 'matchPattern' in test e939, causing false positive
in case the BPF JIT is enabled
Fixes: 440ea4ae18 ("tc-testing: add selftests for 'bpf' action")
Signed-off-by: Davide Caratti <dcaratti@redhat.com>
Acked-by: Lucas Bates <lucasb@mojatatu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Salil Mehta says:
====================
Misc bug fixes for HNS3 Ethernet Driver
Fixes to some of the bugs found during system test, internal review
and clean-up
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
