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2020-03-30mlxsw: spectrum_trap: Switch to use correct packet trap groupIdo Schimmel3-18/+16
Some packet traps are currently exposed to user space as being member of "l3_drops" trap group, but internally they are member of a different group. Switch these traps to use the correct group so that they are all subject to the same policer, as exposed to user space. Set the trap priority of packets trapped due to loopback error during routing to the lowest priority. Such packets are not routed again by the kernel and therefore should not mask other traps (e.g., host miss) that should be routed. Signed-off-by: Ido Schimmel <idosch@mellanox.com> Reviewed-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-30mlxsw: spectrum_trap: Do not initialize dedicated discard policerIdo Schimmel1-9/+1
The policer is now initialized as part of the registration with devlink, so there is no need to initialize it before the registration. Remove the initialization. Signed-off-by: Ido Schimmel <idosch@mellanox.com> Reviewed-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-30mlxsw: spectrum_trap: Add devlink-trap policer supportIdo Schimmel6-11/+297
Register supported packet trap policers with devlink and implement callbacks to change their parameters and read their counters. Prevent user space from passing invalid policer parameters down to the device by checking their validity and communicating the failure via an appropriate extack message. v2: * Remove the max/min validity checks from __mlxsw_sp_trap_policer_set() Signed-off-by: Ido Schimmel <idosch@mellanox.com> Reviewed-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-30mlxsw: spectrum_trap: Prepare policers for registration with devlinkIdo Schimmel2-1/+77
Prepare an array of policer IDs to register with devlink and their associated parameters. The array is composed from both policers that are currently bound to exposed trap groups and policers that are not bound to any trap group. v2: * Provide max/min rate/burst size when registering policers Signed-off-by: Ido Schimmel <idosch@mellanox.com> Reviewed-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-30mlxsw: spectrum: Track used packet trap policer IDsIdo Schimmel4-3/+38
During initialization the driver configures various packet trap groups and binds policers to them. Currently, most of these groups are not exposed to user space and therefore their policers should not be exposed as well. Otherwise, user space will be able to alter policer parameters without knowing which packet traps are policed by the policer. Use a bitmap to track the used policer IDs so that these policers will not be registered with devlink in a subsequent patch. Signed-off-by: Ido Schimmel <idosch@mellanox.com> Reviewed-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-30mlxsw: reg: Extend QPCR registerIdo Schimmel1-0/+17
The QoS Policer Configuration Register (QPCR) is used to configure hardware policers. Extend this register with following fields and defines which will be used by subsequent patches: 1. Violate counter: reads number of packets dropped by the policer 2. Clear counter: to ensure we start counting from 0 3. Rate and burst size limits Signed-off-by: Ido Schimmel <idosch@mellanox.com> Reviewed-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-30selftests: netdevsim: Add test cases for devlink-trap policersIdo Schimmel2-0/+153
Add test cases for packet trap policer set / show commands as well as for the binding of these policers to packet trap groups. Both good and bad flows are tested for maximum coverage. v2: * Add test case with new 'fail_trap_policer_set' knob * Add test case for partially modified trap group Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-30netdevsim: Add support for setting of packet trap group parametersIdo Schimmel2-0/+18
Add a dummy callback to set trap group parameters. Return an error when the 'fail_trap_group_set' debugfs file is set in order to exercise error paths and verify that error is propagated to user space when should. Signed-off-by: Ido Schimmel <idosch@mellanox.com> Reviewed-by: Jiri Pirko <jiri@mellanox.com> Reviewed-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-30devlink: Allow setting of packet trap group parametersIdo Schimmel2-2/+63
The previous patch allowed device drivers to publish their default binding between packet trap policers and packet trap groups. However, some users might not be content with this binding and would like to change it. In case user space passed a packet trap policer identifier when setting a packet trap group, invoke the appropriate device driver callback and pass the new policer identifier. v2: * Check for presence of 'DEVLINK_ATTR_TRAP_POLICER_ID' in devlink_trap_group_set() and bail if not present * Add extack error message in case trap group was partially modified Signed-off-by: Ido Schimmel <idosch@mellanox.com> Reviewed-by: Jiri Pirko <jiri@mellanox.com> Acked-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-30devlink: Add packet trap group parameters supportIdo Schimmel4-9/+43
Packet trap groups are used to aggregate logically related packet traps. Currently, these groups allow user space to batch operations such as setting the trap action of all member traps. In order to prevent the CPU from being overwhelmed by too many trapped packets, it is desirable to bind a packet trap policer to these groups. For example, to limit all the packets that encountered an exception during routing to 10Kpps. Allow device drivers to bind default packet trap policers to packet trap groups when the latter are registered with devlink. The next patch will enable user space to change this default binding. Signed-off-by: Ido Schimmel <idosch@mellanox.com> Reviewed-by: Jiri Pirko <jiri@mellanox.com> Reviewed-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-30netdevsim: Add devlink-trap policer supportIdo Schimmel2-1/+86
Register three dummy packet trap policers with devlink and implement callbacks to change their parameters and read their counters. This will be used later on in the series to test the devlink-trap policer infrastructure. v2: * Remove check about burst size being a power of 2 and instead add a debugfs knob to fail the operation * Provide max/min rate/burst size when registering policers and remove the validity checks from nsim_dev_devlink_trap_policer_set() Signed-off-by: Ido Schimmel <idosch@mellanox.com> Reviewed-by: Jiri Pirko <jiri@mellanox.com> Reviewed-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-30Documentation: Add description of packet trap policersIdo Schimmel1-0/+26
Extend devlink-trap documentation with information about packet trap policers. Signed-off-by: Ido Schimmel <idosch@mellanox.com> Reviewed-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-30devlink: Add packet trap policers supportIdo Schimmel3-0/+515
Devices capable of offloading the kernel's datapath and perform functions such as bridging and routing must also be able to send (trap) specific packets to the kernel (i.e., the CPU) for processing. For example, a device acting as a multicast-aware bridge must be able to trap IGMP membership reports to the kernel for processing by the bridge module. In most cases, the underlying device is capable of handling packet rates that are several orders of magnitude higher compared to those that can be handled by the CPU. Therefore, in order to prevent the underlying device from overwhelming the CPU, devices usually include packet trap policers that are able to police the trapped packets to rates that can be handled by the CPU. This patch allows capable device drivers to register their supported packet trap policers with devlink. User space can then tune the parameters of these policer (currently, rate and burst size) and read from the device the number of packets that were dropped by the policer, if supported. Subsequent patches in the series will allow device drivers to create default binding between these policers and packet trap groups and allow user space to change the binding. v2: * Add 'strict_start_type' in devlink policy * Have device drivers provide max/min rate/burst size for each policer. Use them to check validity of user provided parameters Signed-off-by: Ido Schimmel <idosch@mellanox.com> Reviewed-by: Jiri Pirko <jiri@mellanox.com> Reviewed-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-30net: phylink: add separate pcs operations structureRussell King2-22/+143
Add a separate set of PCS operations, which MAC drivers can use to couple phylink with their associated MAC PCS layer. The PCS operations include: - pcs_get_state() - reads the link up/down, resolved speed, duplex and pause from the PCS. - pcs_config() - configures the PCS for the specified mode, PHY interface type, and setting the advertisement. - pcs_an_restart() - restarts 802.3 in-band negotiation with the link partner - pcs_link_up() - informs the PCS that link has come up, and the parameters of the link. Link parameters are used to program the PCS for fixed speed and non-inband modes. Reviewed-by: Andrew Lunn <andrew@lunn.ch> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-30net: phylink: rename 'ops' to 'mac_ops'Russell King2-16/+16
Rename the bland 'ops' member of struct phylink to be a more descriptive 'mac_ops' - this is necessary as we're about to introduce another set of operations. Reviewed-by: Andrew Lunn <andrew@lunn.ch> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-30net: phylink: change phylink_mii_c22_pcs_set_advertisement() prototypeRussell King2-6/+9
Change phylink_mii_c22_pcs_set_advertisement() to take only the PHY interface and advertisement mask, rather than the full phylink state. Reviewed-by: Andrew Lunn <andrew@lunn.ch> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-30r8169: factor out rtl8169_tx_mapHeiner Kallweit1-60/+50
Factor out mapping the tx skb to a new function rtl8169_tx_map(). This allows to remove redundancies, and rtl8169_get_txd_opts1() has only one user left, so it can be inlined. As a result rtl8169_xmit_frags() is significantly simplified, and in rtl8169_start_xmit() the code is simplified and better readable. No functional change intended. Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-30qed: Fix use after free in qed_chain_freeYuval Basson2-31/+31
The qed_chain data structure was modified in commit 1a4a69751f4d ("qed: Chain support for external PBL") to support receiving an external pbl (due to iWARP FW requirements). The pages pointed to by the pbl are allocated in qed_chain_alloc and their virtual address are stored in an virtual addresses array to enable accessing and freeing the data. The physical addresses however weren't stored and were accessed directly from the external-pbl during free. Destroy-qp flow, leads to freeing the external pbl before the chain is freed, when the chain is freed it tries accessing the already freed external pbl, leading to a use-after-free. Therefore we need to store the physical addresses in additional to the virtual addresses in a new data structure. Fixes: 1a4a69751f4d ("qed: Chain support for external PBL") Signed-off-by: Michal Kalderon <mkalderon@marvell.com> Signed-off-by: Yuval Bason <ybason@marvell.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-30r8169: improve handling of TD_MSS_MAXHeiner Kallweit1-2/+2
If the mtu is greater than TD_MSS_MAX, then TSO is disabled, see rtl8169_fix_features(). Because mss is less than mtu, we can't have the case mss > TD_MSS_MAX in the TSO path. Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-30net: dsa: sja1105: add broadcast and per-traffic class policersVladimir Oltean4-0/+385
This patch adds complete support for manipulating the L2 Policing Tables from this switch. There are 45 table entries, one entry per each port and traffic class, and one dedicated entry for broadcast traffic for each ingress port. Policing entries are shareable, and we use this functionality to support shared block filters. We are modeling broadcast policers as simple tc-flower matches on dst_mac. As for the traffic class policers, the switch only deduces the traffic class from the VLAN PCP field, so it makes sense to model this as a tc-flower match on vlan_prio. How to limit broadcast traffic coming from all front-panel ports to a cumulated total of 10 Mbit/s: tc qdisc add dev sw0p0 ingress_block 1 clsact tc qdisc add dev sw0p1 ingress_block 1 clsact tc qdisc add dev sw0p2 ingress_block 1 clsact tc qdisc add dev sw0p3 ingress_block 1 clsact tc filter add block 1 flower skip_sw dst_mac ff:ff:ff:ff:ff:ff \ action police rate 10mbit burst 64k How to limit traffic with VLAN PCP 0 (also includes untagged traffic) to 100 Mbit/s on port 0 only: tc filter add dev sw0p0 ingress protocol 802.1Q flower skip_sw \ vlan_prio 0 action police rate 100mbit burst 64k The broadcast, VLAN PCP and port policers are compatible with one another (can be installed at the same time on a port). Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-30net: dsa: sja1105: add configuration of port policersVladimir Oltean1-32/+100
This adds partial configuration support for the L2 Policing Table. Out of the 45 policing entries, only 5 are used (one for each port), in a shared manner. All 8 traffic classes, and the broadcast policer, are redirected to a common instance which belongs to the ingress port. Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-30net: dsa: felix: add port policersVladimir Oltean5-11/+36
This patch is a trivial passthrough towards the ocelot library, which support port policers since commit 2c1d029a017f ("net: mscc: ocelot: Implement port policers via tc command"). Some data structure conversion between the DSA core and the Ocelot library is necessary, for policer parameters. Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-30net: dsa: add port policersVladimir Oltean2-7/+85
The approach taken to pass the port policer methods on to drivers is pragmatic. It is similar to the port mirroring implementation (in that the DSA core does all of the filter block interaction and only passes simple operations for the driver to implement) and dissimilar to how flow-based policers are going to be implemented (where the driver has full control over the flow_cls_offload data structure). Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-30net: dsa: refactor matchall mirred action to separate functionVladimir Oltean1-30/+40
Make room for other actions for the matchall filter by keeping the mirred argument parsing self-contained in its own function. Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-30net: mscc: ocelot: add action of police on vcap_is2Xiaoliang Yang6-7/+100
Ocelot has 384 policers that can be allocated to ingress ports, QoS classes per port, and VCAP IS2 entries. ocelot_police.c supports to set policers which can be allocated to police action of VCAP IS2. We allocate policers from maximum pol_id, and decrease the pol_id when add a new vcap_is2 entry which is police action. Signed-off-by: Xiaoliang Yang <xiaoliang.yang_1@nxp.com> Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-30ionic: remove lifs on fw resetShannon Nelson5-25/+158
When the FW RESET event comes to the driver from the firmware, or the fw_status goes to 0 (stopped) or to 0xff (no PCI connection), then shut down the driver activity. This event signals a FW upgrade where we need to quiesce all operations and wait for the FW to restart. The FW will continue the update process once it sees all the LIFs are reset. When the update process is done it will set the fw_status back to RUNNING. Meanwhile, the heartbeat check continues and when the fw_status is seen as set to running we can restart the driver operations. Signed-off-by: Shannon Nelson <snelson@pensando.io> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-30ionic: disable the queues on link downShannon Nelson1-56/+61
When the link goes down, we need to disable the queues on the NIC in addition to stopping the netdev stack. This lets the FW know that the driver has stopped queue activity, and then the FW can do internal reconfiguration work, whether actually Link related, or for other internal FW needs. To do this, we pull out the queue enable and disable from ionic_open() and ionic_stop() so they can be used by other routines. To help keep things sane, we swap the queue enables so that the rx queue and its napi are enabled before the tx queue which rides on the rx queues napi. We also drop the ionic_lif_quiesce() as it doesn't do anything more than what the queue disable has already taken care of. Signed-off-by: Shannon Nelson <snelson@pensando.io> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-30ionic: check for queues before deletingShannon Nelson1-19/+38
Make sure the queue structures exist before trying to delete them. This addresses a couple of error recovery issues. Signed-off-by: Shannon Nelson <snelson@pensando.io> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-30ionic: clean tx queue of unfinished requestsShannon Nelson3-0/+18
Clean out tx requests that didn't get finished before shutting down the queue. Signed-off-by: Shannon Nelson <snelson@pensando.io> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-30ionic: move irq request to qcq allocShannon Nelson1-22/+19
Move the irq request and free out of the qcq_init and deinit and into the alloc and free routines where they belong for better resource management. Signed-off-by: Shannon Nelson <snelson@pensando.io> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-30ionic: move debugfs add/delete to match alloc/freeShannon Nelson1-12/+8
Move the qcq debugfs add to the queue alloc, and likewise move the debugfs delete to the queue free. The LIF debugfs add also needs to be moved, but the del is already in the LIF free. Signed-off-by: Shannon Nelson <snelson@pensando.io> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-30ionic: check for linkup in watchdogShannon Nelson3-2/+7
Add a link_status_check to the heartbeat watchdog. Signed-off-by: Shannon Nelson <snelson@pensando.io> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-30ionic: decouple link message from netdev stateShannon Nelson1-14/+18
Rearrange the link_up/link_down messages so that we announce link up when we first notice that the link is up when the driver loads, and decouple the link_up/link_down messages from the UP and DOWN netdev state. Signed-off-by: Shannon Nelson <snelson@pensando.io> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-30mlxsw: spectrum_ptp: Fix build warningsIdo Schimmel1-0/+4
Cited commit extended the enums 'hwtstamp_tx_types' and 'hwtstamp_rx_filters' with values that were not accounted for in the switch statements, resulting in the build warnings below. Fix by adding a default case. drivers/net/ethernet/mellanox/mlxsw/spectrum_ptp.c: In function ‘mlxsw_sp_ptp_get_message_types’: drivers/net/ethernet/mellanox/mlxsw/spectrum_ptp.c:915:2: warning: enumeration value ‘__HWTSTAMP_TX_CNT’ not handled in switch [-Wswitch] 915 | switch (tx_type) { | ^~~~~~ drivers/net/ethernet/mellanox/mlxsw/spectrum_ptp.c:927:2: warning: enumeration value ‘__HWTSTAMP_FILTER_CNT’ not handled in switch [-Wswitch] 927 | switch (rx_filter) { | ^~~~~~ Fixes: f76510b458a5 ("ethtool: add timestamping related string sets") Signed-off-by: Ido Schimmel <idosch@mellanox.com> Reported-by: David S. Miller <davem@davemloft.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-30devlink: Add auto dump flag to health reporterEran Ben Elisha2-4/+24
On low memory system, run time dumps can consume too much memory. Add administrator ability to disable auto dumps per reporter as part of the error flow handle routine. This attribute is not relevant while executing DEVLINK_CMD_HEALTH_REPORTER_DUMP_GET. By default, auto dump is activated for any reporter that has a dump method, as part of the reporter registration to devlink. Signed-off-by: Eran Ben Elisha <eranbe@mellanox.com> Reviewed-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-30devlink: Implicitly set auto recover flag when registering health reporterEran Ben Elisha7-17/+13
When health reporter is registered to devlink, devlink will implicitly set auto recover if and only if the reporter has a recover method. No reason to explicitly get the auto recover flag from the driver. Remove this flag from all drivers that called devlink_health_reporter_create. All existing health reporters set auto recovery to true if they have a recover method. Yet, administrator can unset auto recover via netlink command as prior to this patch. Signed-off-by: Eran Ben Elisha <eranbe@mellanox.com> Reviewed-by: Jiri Pirko <jiri@mellanox.com> Reviewed-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-30netdevsim: Change dummy reporter auto recover defaultEran Ben Elisha2-1/+6
Health reporters should be registered with auto recover set to true. Align dummy reporter behaviour with that, as in later patch the option to set auto recover behaviour will be removed. In addition, align netdevsim selftest to the new default value. Signed-off-by: Eran Ben Elisha <eranbe@mellanox.com> Reviewed-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-30ptp: Avoid deadlocks in the programmable pin code.Richard Cochran4-3/+44
The PTP Hardware Clock (PHC) subsystem offers an API for configuring programmable pins. User space sets or gets the settings using ioctls, and drivers verify dialed settings via a callback. Drivers may also query pin settings by calling the ptp_find_pin() method. Although the core subsystem protects concurrent access to the pin settings, the implementation places illogical restrictions on how drivers may call ptp_find_pin(). When enabling an auxiliary function via the .enable(on=1) callback, drivers may invoke the pin finding method, but when disabling with .enable(on=0) drivers are not permitted to do so. With the exception of the mv88e6xxx, all of the PHC drivers do respect this restriction, but still the locking pattern is both confusing and unnecessary. This patch changes the locking implementation to allow PHC drivers to freely call ptp_find_pin() from their .enable() and .verify() callbacks. V2 ChangeLog: - fixed spelling in the kernel doc - add Vladimir's tested by tag Signed-off-by: Richard Cochran <richardcochran@gmail.com> Reported-by: Yangbo Lu <yangbo.lu@nxp.com> Tested-by: Vladimir Oltean <vladimir.oltean@nxp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-30net: devlink: use NL_SET_ERR_MSG_MOD instead of NL_SET_ERR_MSGJiri Pirko1-2/+2
The rest of the devlink code sets the extack message using NL_SET_ERR_MSG_MOD. Change the existing appearances of NL_SET_ERR_MSG to NL_SET_ERR_MSG_MOD. Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-30net: sched: expose HW stats types per action used by driversJiri Pirko18-17/+54
It may be up to the driver (in case ANY HW stats is passed) to select which type of HW stats he is going to use. Add an infrastructure to expose this information to user. $ tc filter add dev enp3s0np1 ingress proto ip handle 1 pref 1 flower dst_ip 192.168.1.1 action drop $ tc -s filter show dev enp3s0np1 ingress filter protocol ip pref 1 flower chain 0 filter protocol ip pref 1 flower chain 0 handle 0x1 eth_type ipv4 dst_ip 192.168.1.1 in_hw in_hw_count 2 action order 1: gact action drop random type none pass val 0 index 1 ref 1 bind 1 installed 10 sec used 10 sec Action statistics: Sent 0 bytes 0 pkt (dropped 0, overlimits 0 requeues 0) backlog 0b 0p requeues 0 used_hw_stats immediate <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-30net: introduce nla_put_bitfield32() helper and use itJiri Pirko3-21/+25
Introduce a helper to pass value and selector to. The helper packs them into struct and puts them into netlink message. Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-30net: dsa: Simplify 'dsa_tag_protocol_to_str()'Christophe JAILLET1-5/+1
There is no point in preparing the module name in a buffer. The format string can be passed diectly to 'request_module()'. This axes a few lines of code and cleans a few things: - max len for a driver name is MODULE_NAME_LEN wich is ~ 60 chars, not 128. It would be down-sized in 'request_module()' - we should pass the total size of the buffer to 'snprintf()', not the size minus 1 Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-30net: ena: Make some functions staticYueHaibing1-7/+6
Fix sparse warnings: drivers/net/ethernet/amazon/ena/ena_netdev.c:460:6: warning: symbol 'ena_xdp_exchange_program_rx_in_range' was not declared. Should it be static? drivers/net/ethernet/amazon/ena/ena_netdev.c:481:6: warning: symbol 'ena_xdp_exchange_program' was not declared. Should it be static? drivers/net/ethernet/amazon/ena/ena_netdev.c:1555:5: warning: symbol 'ena_xdp_handle_buff' was not declared. Should it be static? Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: YueHaibing <yuehaibing@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-30dpaa_eth: Make dpaa_a050385_wa staticYueHaibing1-1/+1
Fix sparse warning: drivers/net/ethernet/freescale/dpaa/dpaa_eth.c:2065:5: warning: symbol 'dpaa_a050385_wa' was not declared. Should it be static? Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: YueHaibing <yuehaibing@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-30crypto/chtls: Fix chtls crash in connection cleanupRohit Maheshwari1-4/+25
There is a possibility that cdev is removed before CPL_ABORT_REQ_RSS is fully processed, so it's better to save it in skb. Added checks in handling the flow correctly, which suggests connection reset request is sent to HW, wait for HW to respond. Signed-off-by: Rohit Maheshwari <rohitm@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-30crypto/chcr: fix incorrect ipv6 packet lengthRohit Maheshwari1-1/+1
IPv6 header's payload length field shouldn't include IPv6 header length. Signed-off-by: Rohit Maheshwari <rohitm@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-30net: stmmac: Add support for VLAN Rx filteringWong Vee Khee5-0/+245
Add support for VLAN ID-based filtering by the MAC controller for MAC drivers that support it. Only the 12-bit VID field is used. Signed-off-by: Chuah Kim Tatt <kim.tatt.chuah@intel.com> Signed-off-by: Ong Boon Leong <boon.leong.ong@intel.com> Signed-off-by: Wong Vee Khee <vee.khee.wong@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-30Crypto: chelsio - Fixes a deadlock between rtnl_lock and uld_mutexAyush Sawal2-6/+28
The locks are taken in this order during driver registration (uld_mutex), at: cxgb4_register_uld.part.14+0x49/0xd60 [cxgb4] (rtnl_mutex), at: rtnetlink_rcv_msg+0x2db/0x400 (uld_mutex), at: cxgb_up+0x3a/0x7b0 [cxgb4] (rtnl_mutex), at: chcr_add_xfrmops+0x83/0xa0 [chcr](stucked here) To avoid this now the netdev features are updated after the cxgb4_register_uld function is completed. Fixes: 6dad4e8ab3ec6 ("chcr: Add support for Inline IPSec"). Signed-off-by: Ayush Sawal <ayush.sawal@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-30Crypto: chelsio - Fixes a hang issue during driver registrationAyush Sawal1-2/+0
This issue occurs only when multiadapters are present. Hang happens because assign_chcr_device returns u_ctx pointer of adapter which is not yet initialized as for this adapter cxgb_up is not been called yet. The last_dev pointer is used to determine u_ctx pointer and it is initialized two times in chcr_uld_add in chcr_dev_add respectively. The fix here is don't initialize the last_dev pointer during chcr_uld_add. Only assign to value to it when the adapter's initialization is completed i.e in chcr_dev_add. Fixes: fef4912b66d62 ("crypto: chelsio - Handle PCI shutdown event"). Signed-off-by: Ayush Sawal <ayush.sawal@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-30selftests:mptcp: fix failure due to whitespace damageMatthieu Baerts2-8/+8
'pm_nl_ctl' was adding a trailing whitespace after having printed the IP. But at the end, the IP element is currently always the last one. The bash script launching 'pm_nl_ctl' had trailing whitespaces in the expected result on purpose. But these whitespaces have been removed when the patch has been applied upstream. To avoid trailing whitespaces in the bash code, 'pm_nl_ctl' and expected results have now been adapted. The MPTCP PM selftest can now pass again. Fixes: eedbc685321b (selftests: add PM netlink functional tests) Signed-off-by: Matthieu Baerts <matthieu.baerts@tessares.net> Signed-off-by: David S. Miller <davem@davemloft.net>
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