Commit Graph

813618 Commits

Author SHA1 Message Date
Leon Romanovsky
36a73471e5 net/mlx5e: Add missing static function annotation
Compilation with W=1 produces following warning:

drivers/net/ethernet/mellanox/mlx5/core/en/monitor_stats.c:69:6:
warning: no previous prototype for _mlx5e_monitor_counter_start_ [-Wmissing-prototypes]
 void mlx5e_monitor_counter_start(struct mlx5e_priv *priv)
      ^~~~~~~~~~~~~~~~~~~~~~~~~~~

Avoid it by declaring mlx5e_monitor_counter_start() as a static function.

Fixes: 5c7e8bbb02 ("net/mlx5e: Use monitor counters for update stats")
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2019-02-19 14:15:03 -08:00
Tonghao Zhang
7040632df5 net/mlx5e: Remove 'parse_attr' argument in mlx5e_tc_add_fdb_flow()
This patch is a little improvement. Simplify the mlx5e_tc_add_fdb_flow().

Signed-off-by: Tonghao Zhang <xiangxia.m.yue@gmail.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2019-02-19 14:15:03 -08:00
Tonghao Zhang
988ab9c736 net/mlx5e: Introduce mlx5e_flow_esw_attr_init() helper
Introduce the mlx5e_flow_esw_attr_init() helper
for simplifying codes.

Signed-off-by: Tonghao Zhang <xiangxia.m.yue@gmail.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2019-02-19 14:15:03 -08:00
Vlad Buslov
73c718fbb3 net/mlx5e: Remove wrong and superfluous tc pedit header type check
With recent introduction of flow_rule infrastructure drivers no longer
directly include action headers, so it is no longer possible to use
constants defined in them. Instead, one of flow_rule patches substituted
pedit action header constant with hardcoded value '2' in mlx5
set_pedit_val() function conditional which verifies that header type is in
range of values allowed by pedit action. That conditional is now both
wrong (hardcoded value is '2' but __PEDIT_HDR_TYPE_MAX is 6 in current
version) and superfluous (pedit action already verifies that header type is
in allowed range during init). Remove the described check from mlx5 code.

Fixes: 7386788175 ("drivers: net: use flow action infrastructure")
Signed-off-by: Vlad Buslov <vladbu@mellanox.com>
Reviewed-by: Roi Dayan <roid@mellanox.com>
Reviewed-by: Dmytro Linkin <dmitrolin@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2019-02-19 14:15:03 -08:00
Tariq Toukan
877662e272 net/mlx5e: Wrap the open and apply of channels in one fail-safe function
Take into a function the common code structure of opening
a side set of channels followed by a call to apply them.

Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2019-02-19 14:15:03 -08:00
Aya Levin
6a89737241 net/mlx5: ethtool, Add ethtool support for 50Gbps per lane link modes
In previous patch, driver added new speed modes: 50Gbps per lane support
for 50G/100G/200G.  This patch modifies mlx5e_get_link_ksettings and
mlx5e_set_link_ksettings to set and get these link modes via ethtool.
In order to do so, added mapping of new HW bits to ethtool bitmap and
enforce mutual exclusion between extended link modes and previously
defined link modes.

Signed-off-by: Aya Levin <ayal@mellanox.com>
Reviewed-by: Eran Ben Elisha <eranbe@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2019-02-19 14:15:02 -08:00
Aya Levin
2736d94f35 ethtool: Added support for 50Gbps per lane link modes
Added support for 50Gbps per lane link modes. Define various 50G, 100G
and 200G link modes using it.

Signed-off-by: Aya Levin <ayal@mellanox.com>
Reviewed-by: Eran Ben Elisha <eranbe@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2019-02-19 14:15:02 -08:00
David S. Miller
5770117186 Merge branch 'bnxt_en-Update-for-net-next'
Michael Chan says:

====================
bnxt_en: Update for net-next.

This series includes the usual firmware spec. update, a PCI ID addition,
enhancements for VF trust, MDIO read/write for external PHY, and
fixing the return code when TC flow offload fails.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-19 10:45:14 -08:00
Sriharsha Basavapatna
b2d69122fd bnxt_en: Return relevant error code when offload fails
The driver returns -ENOSPC when tc_can_offload() check fails. Since that
routine checks for flow parameters that are not supported by the driver,
we should return the more appropriate -EOPNOTSUPP.

Signed-off-by: Sriharsha Basavapatna <sriharsha.basavapatna@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-19 10:45:14 -08:00
Vasundhara Volam
0ca12be996 bnxt_en: Add support for mdio read/write to external PHY
Add support for SIOCGMIIREG and SIOCSMIIREG ioctls to
mdio read/write to external PHY.

Signed-off-by: Vasundhara Volam <vasundhara-v.volam@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-19 10:45:14 -08:00
Michael Chan
2a51644443 bnxt_en: Propagate trusted VF attribute to firmware.
Newer firmware understands the concept of a trusted VF, so propagate the
trusted VF attribute set by the PF admin. to the firmware.  Also, check
the firmware trusted setting when considering the VF MAC address change
and reporting the trusted setting to the user.

Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-19 10:45:14 -08:00
Erik Burrows
c6cc32a213 bnxt_en: Add support for BCM957504
Add support for BCM957504 with device ID 1751

Signed-off-by: Erik Burrows <erik.burrows@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-19 10:45:14 -08:00
Michael Chan
3293ec2321 bnxt_en: Update firmware interface spec. to 1.10.0.47.
Firmware error recover is the major change in this spec.

Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-19 10:45:14 -08:00
Vakul Garg
4509de1468 net/tls: Move protocol constants from cipher context to tls context
Each tls context maintains two cipher contexts (one each for tx and rx
directions). For each tls session, the constants such as protocol
version, ciphersuite, iv size, associated data size etc are same for
both the directions and need to be stored only once per tls context.
Hence these are moved from 'struct cipher_context' to 'struct
tls_prot_info' and stored only once in 'struct tls_context'.

Signed-off-by: Vakul Garg <vakul.garg@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-19 10:40:36 -08:00
YueHaibing
c9b747dbc2 bnx2x: Remove set but not used variable 'mfw_vn'
Fixes gcc '-Wunused-but-set-variable' warning:

drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c: In function 'bnx2x_get_hwinfo':
drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c:11940:10: warning:
 variable 'mfw_vn' set but not used [-Wunused-but-set-variable]

It's never used since introduction.

Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Acked-by: Sudarsana Reddy Kalluru <skalluru@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-18 16:47:32 -08:00
David S. Miller
778a57d93e Merge branch 'net-phy-add-helpers-for-handling-C45-10GBT-AN-register-values'
Heiner Kallweit says:

====================
net: phy: add helpers for handling C45 10GBT AN register values

Similar to the existing helpers for the Clause 22 registers add helpers
to deal with converting Clause 45 advertisement registers to / from
link mode bitmaps.

Note that these helpers are defined in linux/mdio.h, not like the
Clause 22 helpers in linux/mii.h. Reason is that the Clause 45 register
constants are defined in uapi/linux/mdio.h. And uapi/linux/mdio.h
includes linux/mii.h before defining the C45 register constants.

v2:
- Remove few helpers which aren't used by this series. They will
  follow together with the users.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-18 16:44:02 -08:00
Heiner Kallweit
96c2be34e6 net: phy: use mii_10gbt_stat_mod_linkmode_lpa_t in genphy_c45_read_lpa
Use mii_10gbt_stat_mod_linkmode_lpa_t() in genphy_c45_read_lpa() to
simplify the code.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-18 16:43:55 -08:00
Heiner Kallweit
9004a14cb6 net: phy: add helper mii_10gbt_stat_mod_linkmode_lpa_t
Similar to the existing helpers for the Clause 22 registers add helper
mii_10gbt_stat_mod_linkmode_lpa_t.

Note that this helper is defined in linux/mdio.h, not like the
Clause 22 helpers in linux/mii.h. Reason is that the Clause 45 register
constants are defined in uapi/linux/mdio.h. And uapi/linux/mdio.h
includes linux/mii.h before defining the C45 register constants.

v2:
- remove helpers that don't have users in this series

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-18 16:43:54 -08:00
YueHaibing
bf9d787ba7 liquidio: using NULL instead of plain integer
Fix following warning:

drivers/net/ethernet/cavium/liquidio/cn23xx_pf_device.c:1453:35: warning: Using plain integer as NULL pointer
drivers/net/ethernet/cavium/liquidio/lio_main.c:2910:23: warning: Using plain integer as NULL pointer

Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-18 16:40:08 -08:00
Heiner Kallweit
eb160971af r8169: remove unneeded mmiowb barriers
writex() has implicit barriers, that's what makes it different from
writex_relaxed(). Therefore these calls to mmiowb() can be removed.

This patch was recently reverted due to a dependency with another
problematic patch. But because it didn't contribute to the problem
it was rebased and can be resubmitted.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-18 16:38:25 -08:00
Rundong Ge
57fd967838 net: dsa: Implement flow_dissect callback for tag_dsa.
RPS not work for DSA devices since the 'skb_get_hash'
will always get the invalid hash for dsa tagged packets.

"[PATCH] tag_mtk: add flow_dissect callback to the ops struct"
introduced the flow_dissect callback to get the right hash for
MTK tagged packet. Tag_dsa and tag_edsa  also need to implement
the callback.

Signed-off-by: Rundong Ge <rdong.ge@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-18 16:35:41 -08:00
Wei Yongjun
6e07902f56 net: sched: using kfree_rcu() to simplify the code
The callback function of call_rcu() just calls a kfree(), so we
can use kfree_rcu() instead of call_rcu() + callback function.

Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-18 16:34:51 -08:00
YueHaibing
780feae7eb mdio_bus: Fix PTR_ERR() usage after initialization to constant
Fix coccinelle warning:

./drivers/net/phy/mdio_bus.c:51:5-12: ERROR: PTR_ERR applied after initialization to constant on line 44
./drivers/net/phy/mdio_bus.c:52:5-12: ERROR: PTR_ERR applied after initialization to constant on line 44

fix this by using IS_ERR before PTR_ERR

Fixes: bafbdd527d ("phylib: Add device reset GPIO support")
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-18 16:34:20 -08:00
Shalom Toledo
31ef5b0eef mlxsw: spectrum: Change IP2ME CPU policer rate and burst size values
The IP2ME packet trap is triggered by packets hitting local routes.
After evaluating current defaults used by the driver it was decided to
reduce the amount of traffic generated by this trap to 1Kpps and
increase the burst size. This is inline with similarly deployed systems.

Signed-off-by: Shalom Toledo <shalomt@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-18 12:10:49 -08:00
Masahiro Yamada
ed95799bd4 net: hamradio: remove unused hweight*() defines
This file does not use hweight*() at all, and the definition is
surrounded by #if 0 ... #endif.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-18 12:10:02 -08:00
David S. Miller
8bbed40f10 Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf-next
Pablo Neira Ayuso says:

====================
Netfilter/IPVS updates for net-next

The following patchset contains Netfilter/IPVS updates for you net-next
tree:

1) Missing NFTA_RULE_POSITION_ID netlink attribute validation,
   from Phil Sutter.

2) Restrict matching on tunnel metadata to rx/tx path, from wenxu.

3) Avoid indirect calls for IPV6=y, from Florian Westphal.

4) Add two indirections to prepare merger of IPV4 and IPV6 nat
   modules, from Florian Westphal.

5) Broken indentation in ctnetlink, from Colin Ian King.

6) Patches to use struct_size() from netfilter and IPVS,
   from Gustavo A. R. Silva.

7) Display kernel splat only once in case of racing to confirm
   conntrack from bridge plus nfqueue setups, from Chieh-Min Wang.

8) Skip checksum validation for layer 4 protocols that don't need it,
   patch from Alin Nastac.

9) Sparse warning due to symbol that should be static in CLUSTERIP,
   from Wei Yongjun.

10) Add new toggle to disable SDP payload translation when media
    endpoint is reachable though the same interface as the signalling
    peer, from Alin Nastac.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-18 11:38:30 -08:00
Wei Yongjun
e511f17b1f net: hns3: make function hclge_set_all_vf_rst() static
Fixes the following sparse warning:

drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c:2431:5: warning:
 symbol 'hclge_set_all_vf_rst' was not declared. Should it be static?

Fixes: aa5c4f175b ("net: hns3: add reset handling for VF when doing PF reset")
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-17 15:55:11 -08:00
YueHaibing
58ecf2688c ptr_ring: remove duplicated include from ptr_ring.h
Remove duplicated include.

Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-17 15:53:01 -08:00
Wei Yongjun
3edaded896 net: sgi: use GFP_ATOMIC under spin lock
The function meth_init_tx_ring() is called from meth_tx_timeout(),
in which spin_lock is held, so we should use GFP_ATOMIC instead.

Fixes: 8d4c28fbc2 ("meth: pass struct device to DMA API functions")
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-17 15:51:46 -08:00
Ivan Vecera
aaeb1dea51 net: sched: sch_api: set an error msg when qdisc_alloc_handle() fails
This patch sets an error message in extack when the number of qdisc
handles exceeds the maximum. Also the error-code ENOSPC is more
appropriate than ENOMEM in this situation.

Signed-off-by: Ivan Vecera <ivecera@redhat.com>
Reported-by: Li Shuang <shuali@redhat.com>
Reviewed-by: Stefano Brivio <sbrivio@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-17 15:39:08 -08:00
Maxime Chevallier
5642563883 net: phy: marvell10g: Don't explicitly set Pause and Asym_Pause
The PHY core expects PHY drivers not to set Pause and Asym_Pause bits,
unless the driver only wants to specify one of them due to HW
limitation. In the case of the Marvell10g driver, we don't need to set
them.

Signed-off-by: Maxime Chevallier <maxime.chevallier@bootlin.com>
Suggested-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-17 15:33:53 -08:00
YueHaibing
a0bc653b1d net: dsa: bcm_sf2: Remove set but not used variables 'v6_spec, v6_m_spec'
Fixes gcc '-Wunused-but-set-variable' warning:

drivers/net/dsa/bcm_sf2_cfp.c: In function 'bcm_sf2_cfp_ipv6_rule_set':
drivers/net/dsa/bcm_sf2_cfp.c:606:40: warning:
 variable 'v6_m_spec' set but not used [-Wunused-but-set-variable]
drivers/net/dsa/bcm_sf2_cfp.c:606:30: warning:
 variable 'v6_spec' set but not used [-Wunused-but-set-variable]

It not used any more after commit e4f7ef54cb ("dsa: bcm_sf2: use flow_rule
infrastructure")

Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-17 15:31:47 -08:00
Pieter Jansen van Vuuren
0496743b20 nfp: flower: fix masks for tcp and ip flags fields
Check mask fields of tcp and ip flags when setting the corresponding mask
flag used in hardware.

Fixes: 8f2566225a ("flow_offload: add flow_rule and flow_match")
Signed-off-by: Pieter Jansen van Vuuren <pieter.jansenvanvuuren@netronome.com>
Reviewed-by: John Hurley <john.hurley@netronome.com>
Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-17 15:28:50 -08:00
David S. Miller
eaec2efbe4 Merge branch 'devlink-add-the-ability-to-update-device-flash'
Jakub Kicinski says:

====================
devlink: add the ability to update device flash

This series is the second step to allow trouble shooting and recovering
devices in bad state without the use of netdevs as handles.  We can
already query FW versions over devlink, now we add the ability to update
the FW.  This will allow drivers to implement some from of "limp-mode"
where the device can't really be used for networking and hence has no
netdev, but we can interrogate it over devlink and fix the broken FW.

Small but nice advantage of devlink is that it only holds the devlink
instance lock during flashing, unlike ethtool which holds rtnl_lock().
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-17 15:27:39 -08:00
Jakub Kicinski
5c5696f3df nfp: devlink: allow flashing the device via devlink
Devlink now allows updating device flash.  Implement this
callback.

Compared to ethtool update we no longer have to release
the networking locks - devlink doesn't take them.

Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-17 15:27:38 -08:00
Jakub Kicinski
4eceba1720 ethtool: add compat for flash update
If driver does not support ethtool flash update operation
call into devlink.

Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-17 15:27:38 -08:00
Jakub Kicinski
76726ccb7f devlink: add flash update command
Add devlink flash update command. Advanced NICs have firmware
stored in flash and often cryptographically secured. Updating
that flash is handled by management firmware. Ethtool has a
flash update command which served us well, however, it has two
shortcomings:
 - it takes rtnl_lock unnecessarily - really flash update has
   nothing to do with networking, so using a networking device
   as a handle is suboptimal, which leads us to the second one:
 - it requires a functioning netdev - in case device enters an
   error state and can't spawn a netdev (e.g. communication
   with the device fails) there is no netdev to use as a handle
   for flashing.

Devlink already has the ability to report the firmware versions,
now with the ability to update the firmware/flash we will be
able to recover devices in bad state.

To enable updates of sub-components of the FW allow passing
component name.  This name should correspond to one of the
versions reported in devlink info.

v1: - replace target id with component name (Jiri).

Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-17 15:27:38 -08:00
David S. Miller
8e31c47424 Merge branch 'net-phy-improve-and-use-phy_resolve_aneg_linkmode'
Heiner Kallweit says:

====================
net: phy: improve and use phy_resolve_aneg_linkmode

Improve phy_resolve_aneg_linkmode and use it in genphy_read_status.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-17 15:21:39 -08:00
Heiner Kallweit
5502b218e0 net: phy: use phy_resolve_aneg_linkmode in genphy_read_status
Now that we have phy_resolve_aneg_linkmode() we can make
genphy_read_status() much simpler.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-17 15:21:38 -08:00
Heiner Kallweit
a2703de709 net: phy: improve phy_resolve_aneg_linkmode
We have the settings array of modes which is sorted based on aneg
priority. Instead of checking each mode manually let's simply iterate
over the sorted settings.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-17 15:21:38 -08:00
Vlad Buslov
8b58d12f4a net: sched: cgroup: verify that filter is not NULL during walk
Check that filter is not NULL before passing it to tcf_walker->fn()
callback in cls_cgroup_walk(). This can happen when cls_cgroup_change()
failed to set first filter.

Fixes: ed76f5edcc ("net: sched: protect filter_chain list with filter_chain_lock mutex")
Signed-off-by: Vlad Buslov <vladbu@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-17 13:26:57 -08:00
Vlad Buslov
d66022cd16 net: sched: matchall: verify that filter is not NULL in mall_walk()
Check that filter is not NULL before passing it to tcf_walker->fn()
callback. This can happen when mall_change() failed to offload filter to
hardware.

Fixes: ed76f5edcc ("net: sched: protect filter_chain list with filter_chain_lock mutex")
Reported-by: Ido Schimmel <idosch@mellanox.com>
Tested-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Vlad Buslov <vladbu@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-17 13:26:39 -08:00
Vlad Buslov
3027ff41f6 net: sched: route: don't set arg->stop in route4_walk() when empty
Some classifiers set arg->stop in their implementation of tp->walk() API
when empty. Most of classifiers do not adhere to that convention. Do not
set arg->stop in route4_walk() to unify tp->walk() behavior among
classifier implementations.

Fixes: ed76f5edcc ("net: sched: protect filter_chain list with filter_chain_lock mutex")
Signed-off-by: Vlad Buslov <vladbu@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-17 13:24:39 -08:00
Vlad Buslov
31a9984876 net: sched: fw: don't set arg->stop in fw_walk() when empty
Some classifiers set arg->stop in their implementation of tp->walk() API
when empty. Most of classifiers do not adhere to that convention. Do not
set arg->stop in fw_walk() to unify tp->walk() behavior among classifier
implementations.

Fixes: ed76f5edcc ("net: sched: protect filter_chain list with filter_chain_lock mutex")
Signed-off-by: Vlad Buslov <vladbu@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-17 13:24:18 -08:00
Jann Horn
1eb00162f8 net: caif: use skb helpers instead of open-coding them
Use existing skb_put_data() and skb_trim() instead of open-coding them,
with the skb_put_data() first so that logically, `skb` still contains the
data to be copied in its data..tail area when skb_put_data() reads it.
This change on its own is a cleanup, and it is also necessary for potential
future integration of skbuffs with things like KASAN.

Signed-off-by: Jann Horn <jannh@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-17 11:01:17 -08:00
Vadim Pasternak
6a79507cfe mlxsw: core: Extend thermal module with per QSFP module thermal zones
Add a dedicated thermal zone for each QSFP/SFP module. The current
temperature is obtained from the module's temperature sensor and the
trip points are set based on the warning and critical thresholds
read from the module.

A cooling device (fan) is bound to all the thermal zones. The
thermal zone governor is set to user space in order to avoid
collisions between thermal zones.
For example, one thermal zone might want to increase the speed of
the fan, whereas another one would like to decrease it.

Deferring this decision to user space allows the user to the take
the most suitable decision.

Signed-off-by: Vadim Pasternak <vadimp@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-17 10:57:49 -08:00
David S. Miller
3c136c542a Merge branch 'neigh-tracepoints'
Roopa Prabhu says:

====================
tracepoints in neighbor subsystem

Roopa Prabhu (2):
  trace: events: add a few neigh tracepoints
  neigh: hook tracepoints in neigh update code
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-17 10:33:39 -08:00
Roopa Prabhu
56dd18a49f neigh: hook tracepoints in neigh update code
hook tracepoints at the end of functions that
update a neigh entry. neigh_update gets an additional
tracepoint to trace the update flags and old and new
neigh states.

Signed-off-by: Roopa Prabhu <roopa@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-17 10:33:39 -08:00
Roopa Prabhu
9c03b282ba trace: events: add a few neigh tracepoints
The goal here is to trace neigh state changes covering all possible
neigh update paths. Plus have a specific trace point in neigh_update
to cover flags sent to neigh_update.

Signed-off-by: Roopa Prabhu <roopa@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-17 10:33:39 -08:00
David S. Miller
9e8ccd8957 Merge branch 'net-phy-add-and-use-genphy_c45_an_config_an'
Heiner Kallweit says:

====================
net: phy: add and use genphy_c45_an_config_an

This series adds genphy_c45_an_config_an() and uses it in the
marvell10g diver. In addition patch 4 aligns the aneg configuration
with what is done in genphy_config_aneg().

v2:
- in patch 2 changed function name to genphy_c45_an_config_aneg
- in patch 3 add a comment regarding 1000BaseT vendor registers

v3:
- rebase patch 3
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-17 10:27:00 -08:00