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2020-10-08cfg80211: only allow S1G channels on S1G bandThomas Pedersen1-1/+4
As discovered by syzbot, cfg80211 was accepting S1G channel widths on non-S1G bands. Add a check for this, and consolidate the 1MHz frequency check as it ends up being a subset of the others. Reported-by: syzbot+92715a0eccd6c881bc32@syzkaller.appspotmail.com Fixes: 11b34737b18a ("nl80211: support setting S1G channels") Signed-off-by: Thomas Pedersen <thomas@adapt-ip.com> Link: https://lore.kernel.org/r/20201005165122.17583-1-thomas@adapt-ip.com Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2020-10-08mac80211: initialize last_rate for S1G STAsThomas Pedersen6-1/+25
last_rate is initialized to zero by sta_info_alloc(), but this indicates legacy bitrate for the last TX rate (and invalid for the last RX rate). To avoid a warning when decoding the last rate as legacy (before a data frame has been sent), initialize them as S1G MCS. Signed-off-by: Thomas Pedersen <thomas@adapt-ip.com> Link: https://lore.kernel.org/r/20201005164522.18069-2-thomas@adapt-ip.com [rename to ieee80211_s1g_sta_rate_init(), seems more appropriate] Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2020-10-08mac80211: handle lack of sband->bitrates in ratesThomas Pedersen2-1/+6
Even though a driver or mac80211 shouldn't produce a legacy bitrate if sband->bitrates doesn't exist, don't crash if that is the case either. This fixes a kernel panic if station dump is run before last_rate can be updated with a data frame when sband->bitrates is missing (eg. in S1G bands). Signed-off-by: Thomas Pedersen <thomas@adapt-ip.com> Link: https://lore.kernel.org/r/20201005164522.18069-1-thomas@adapt-ip.com Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2020-10-06ethtool: specify which header flags are supported per commandJakub Kicinski3-11/+21
Perform header flags validation through the policy. Only pause command supports ETHTOOL_FLAG_STATS. Create a separate policy to be able to express that in policy dumps to user space. Note that even though the core will validate the header policy, it cannot record multiple layers of attributes and we have to re-parse header sub-attrs. When doing so we could skip attribute validation, or use most permissive policy. Opt for the former. We will no longer return the extack cookie for flags but since we only added first new flag in this release it's not expected that any user space had a chance to make use of it. v2: - remove the re-validation in ethnl_parse_header_dev_get() Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-10-06netlink: add mask validationJakub Kicinski4-0/+56
We don't have good validation policy for existing unsigned int attrs which serve as flags (for new ones we could use NLA_BITFIELD32). With increased use of policy dumping having the validation be expressed as part of the policy is important. Add validation policy in form of a mask of supported/valid bits. Support u64 in the uAPI to be future-proof, but really for now the embedded mask member can only hold 32 bits, so anything with bit 32+ set will always fail validation. Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-10-06netlink: create helpers for checking type is an intJakub Kicinski1-8/+9
There's a number of policies which check if type is a uint or sint. Factor the checking against the list of value sizes to a helper for easier reuse. v2: - new patch Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-10-06ethtool: link up ethnl_header_policy as a nested policyJakub Kicinski18-29/+58
To get the most out of parsing by the core, and to allow dumping full policies we need to specify which policy applies to nested attrs. For headers it's ethnl_header_policy. $ sed -i 's@\(ETHTOOL_A_.*HEADER\].*=\) { .type = NLA_NESTED },@\1\n\t\tNLA_POLICY_NESTED(ethnl_header_policy),@' net/ethtool/* Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-10-06ethtool: trim policy tablesJakub Kicinski19-229/+83
Since ethtool uses strict attribute validation there's no need to initialize all attributes in policy tables. 0 is NLA_UNSPEC which is going to be rejected. Remove the NLA_REJECTs. Similarly attributes above maxattrs are rejected, so there's no need to always size the policy tables to ETHTOOL_A_..._MAX. v2: - new patch Suggested-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-10-06ethtool: wire up set policies to opsJakub Kicinski14-104/+74
Similarly to get commands wire up the policies of set commands to get parsing by the core and policy dumps. Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-10-06ethtool: wire up get policies to opsJakub Kicinski17-107/+90
Wire up policies for get commands in struct nla_policy of the ethtool family. Make use of genetlink code attr validation and parsing, as well as allow dumping policies to user space. For every ETHTOOL_MSG_*_GET: - add 'ethnl_' prefix to policy name - add extern declaration in net/ethtool/netlink.h - wire up the policy & attr in ethtool_genl_ops[]. - remove .request_policy and .max_attr from ethnl_request_ops. Obviously core only records the first "layer" of parsed attrs so we still need to parse the sub-attrs of the nested header attribute. v2: - merge of patches 1 and 2 from v1 - remove stray empty lines in ops - also remove .max_attr Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-10-06ipv4: use dev_sw_netstats_rx_add()Fabian Frederick2-15/+2
use new helper for netstats settings Signed-off-by: Fabian Frederick <fabf@skynet.be> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-10-06net: openvswitch: use dev_sw_netstats_rx_add()Fabian Frederick1-7/+1
use new helper for netstats settings Signed-off-by: Fabian Frederick <fabf@skynet.be> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-10-06xfrm: use dev_sw_netstats_rx_add()Fabian Frederick1-8/+1
use new helper for netstats settings Signed-off-by: Fabian Frederick <fabf@skynet.be> Acked-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-10-06ipv6: use dev_sw_netstats_rx_add()Fabian Frederick1-7/+1
use new helper for netstats settings Signed-off-by: Fabian Frederick <fabf@skynet.be> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-10-06gtp: use dev_sw_netstats_rx_add()Fabian Frederick1-7/+1
use new helper for netstats settings Signed-off-by: Fabian Frederick <fabf@skynet.be> Acked-by: Harald Welte <laforge@gnumonks.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-10-06bareudp: use dev_sw_netstats_rx_add()Fabian Frederick1-8/+3
use new helper for netstats settings Signed-off-by: Fabian Frederick <fabf@skynet.be> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-10-06geneve: use dev_sw_netstats_rx_add()Fabian Frederick1-8/+3
use new helper for netstats settings Signed-off-by: Fabian Frederick <fabf@skynet.be> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-10-06vxlan: use dev_sw_netstats_rx_add()Fabian Frederick1-7/+1
use new helper for netstats settings Signed-off-by: Fabian Frederick <fabf@skynet.be> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-10-06net: netdevice.h: sw_netstats_rx_add helperFabian Frederick1-0/+10
some drivers/network protocols update rx bytes/packets under u64_stats_update_begin/end sequence. Add a specific helper like dev_lstats_add() Signed-off-by: Fabian Frederick <fabf@skynet.be> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-10-06net: atlantic: implement media detect feature via phy tunablesIgor Russkikh5-0/+60
Mediadetect is another name for the EDPD (energy detect power down). This feature allows device to save extra power when no link is available. PHY goes into the extreme power saving mode and only periodically wakes up and checks for the link. AQC devices has fixed check period of 6 seconds The feature may increase linkup time. Signed-off-by: Igor Russkikh <irusskikh@marvell.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-10-06net: atlantic: implement phy downshift featureIgor Russkikh6-0/+103
PHY downshift allows phy to try renegotiate if link is unstable and can carry higher speed. AQC devices has integrated PHY which is controlled by MAC firmware. Thus, driver defines new ethtool callbacks to implement phy tunables via netdev. Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: Igor Russkikh <irusskikh@marvell.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-10-06ethtool: allow netdev driver to define phy tunablesIgor Russkikh2-13/+28
Define get/set phy tunable callbacks in ethtool ops. This will allow MAC drivers with integrated PHY still to implement these tunables. Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: Igor Russkikh <irusskikh@marvell.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-10-06net: always dump full packets with skb_dumpVladimir Oltean1-5/+1
Currently skb_dump has a restriction to only dump full packet for the first 5 socket buffers, then only headers will be printed. Remove this arbitrary and confusing restriction, which is only documented vaguely ("up to") in the comments above the prototype. Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-10-06mptcp: don't skip needed ackPaolo Abeni1-2/+4
Currently we skip calling tcp_cleanup_rbuf() when packets are moved into the OoO queue or simply dropped. In both cases we still increment tp->copied_seq, and we should ask the TCP stack to check for ack. Fixes: c76c6956566f ("mptcp: call tcp_cleanup_rbuf on subflows") Signed-off-by: Paolo Abeni <pabeni@redhat.com> Reviewed-by: Mat Martineau <mathew.j.martineau@linux.intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-10-05net: phy: marvell: Use phy_read_paged() instead of open coding itJisheng Zhang1-10/+4
Convert m88e1318_get_wol() to use the well implemented phy_read_paged() instead of open coding it. Signed-off-by: Jisheng Zhang <Jisheng.Zhang@synaptics.com> Reviewed-by: Marek Behún <kabel@kernel.org> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-10-05net: dsa: propagate switchdev vlan_filtering prepare phase to driversVladimir Oltean21-47/+130
A driver may refuse to enable VLAN filtering for any reason beyond what the DSA framework cares about, such as: - having tc-flower rules that rely on the switch being VLAN-aware - the particular switch does not support VLAN, even if the driver does (the DSA framework just checks for the presence of the .port_vlan_add and .port_vlan_del pointers) - simply not supporting this configuration to be toggled at runtime Currently, when a driver rejects a configuration it cannot support, it does this from the commit phase, which triggers various warnings in switchdev. So propagate the prepare phase to drivers, to give them the ability to refuse invalid configurations cleanly and avoid the warnings. Since we need to modify all function prototypes and check for the prepare phase from within the drivers, take that opportunity and move the existing driver restrictions within the prepare phase where that is possible and easy. Cc: Florian Fainelli <f.fainelli@gmail.com> Cc: Martin Blumenstingl <martin.blumenstingl@googlemail.com> Cc: Hauke Mehrtens <hauke@hauke-m.de> Cc: Woojung Huh <woojung.huh@microchip.com> Cc: Microchip Linux Driver Support <UNGLinuxDriver@microchip.com> Cc: Sean Wang <sean.wang@mediatek.com> Cc: Landen Chao <Landen.Chao@mediatek.com> Cc: Andrew Lunn <andrew@lunn.ch> Cc: Vivien Didelot <vivien.didelot@gmail.com> Cc: Jonathan McDowell <noodles@earth.li> Cc: Linus Walleij <linus.walleij@linaro.org> Cc: Alexandre Belloni <alexandre.belloni@bootlin.com> Cc: Claudiu Manoil <claudiu.manoil@nxp.com> Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-10-05platform/x86: thinkpad_acpi: re-initialize ACPI buffer size when reuseAaron Ma1-1/+3
Evaluating ACPI _BCL could fail, then ACPI buffer size will be set to 0. When reuse this ACPI buffer, AE_BUFFER_OVERFLOW will be triggered. Re-initialize buffer size will make ACPI evaluate successfully. Fixes: 46445b6b896fd ("thinkpad-acpi: fix handle locate for video and query of _BCL") Signed-off-by: Aaron Ma <aaron.ma@canonical.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2020-10-04net: openvswitch: Constify static struct genl_small_opsRikard Falkeborn2-2/+2
The only usage of these is to assign their address to the small_ops field in the genl_family struct, which is a const pointer, and applying ARRAY_SIZE() on them. Make them const to allow the compiler to put them in read-only memory. Signed-off-by: Rikard Falkeborn <rikard.falkeborn@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-10-04mptcp: Constify mptcp_pm_opsRikard Falkeborn1-1/+1
The only usages of mptcp_pm_ops is to assign its address to the small_ops field of the genl_family struct, which is a const pointer, and applying ARRAY_SIZE() on it. Make it const to allow the compiler to put it in read-only memory. Signed-off-by: Rikard Falkeborn <rikard.falkeborn@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-10-04Linux 5.9-rc8Linus Torvalds1-1/+1
2020-10-04drivers/net/wan/hdlc_fr: Improvements to the code of pvc_xmitXie He1-28/+26
1. Keep the code for the normal (non-error) flow at the lowest indentation level. And use "goto drop" for all error handling. 2. Replace code that pads short Ethernet frames with a "__skb_pad" call. 3. Change "dev_kfree_skb" to "kfree_skb" in error handling code. "kfree_skb" is the correct function to call when dropping an skb due to an error. "dev_kfree_skb", which is an alias of "consume_skb", is for dropping skbs normally (not due to an error). Cc: Krzysztof Halasa <khc@pm.waw.pl> Cc: Stephen Hemminger <stephen@networkplumber.org> Signed-off-by: Xie He <xie.he.0141@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-10-04net/core: check length before updating Ethertype in skb_mpls_{push,pop}Guillaume Nault1-2/+2
Openvswitch allows to drop a packet's Ethernet header, therefore skb_mpls_push() and skb_mpls_pop() might be called with ethernet=true and mac_len=0. In that case the pointer passed to skb_mod_eth_type() doesn't point to an Ethernet header and the new Ethertype is written at unexpected locations. Fix this by verifying that mac_len is big enough to contain an Ethernet header. Fixes: fa4e0f8855fc ("net/sched: fix corrupted L2 header with MPLS 'push' and 'pop' actions") Signed-off-by: Guillaume Nault <gnault@redhat.com> Acked-by: Davide Caratti <dcaratti@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-10-04net: mvneta: fix double free of txq->bufTom Rix1-11/+2
clang static analysis reports this problem: drivers/net/ethernet/marvell/mvneta.c:3465:2: warning: Attempt to free released memory kfree(txq->buf); ^~~~~~~~~~~~~~~ When mvneta_txq_sw_init() fails to alloc txq->tso_hdrs, it frees without poisoning txq->buf. The error is caught in the mvneta_setup_txqs() caller which handles the error by cleaning up all of the txqs with a call to mvneta_txq_sw_deinit which also frees txq->buf. Since mvneta_txq_sw_deinit is a general cleaner, all of the partial cleaning in mvneta_txq_sw_deinit()'s error handling is not needed. Fixes: 2adb719d74f6 ("net: mvneta: Implement software TSO") Signed-off-by: Tom Rix <trix@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-10-04net_sched: check error pointer in tcf_dump_walker()Cong Wang1-0/+2
Although we take RTNL on dump path, it is possible to skip RTNL on insertion path. So the following race condition is possible: rtnl_lock() // no rtnl lock mutex_lock(&idrinfo->lock); // insert ERR_PTR(-EBUSY) mutex_unlock(&idrinfo->lock); tc_dump_action() rtnl_unlock() So we have to skip those temporary -EBUSY entries on dump path too. Reported-and-tested-by: syzbot+b47bc4f247856fb4d9e1@syzkaller.appspotmail.com Fixes: 0fedc63fadf0 ("net_sched: commit action insertions together") Cc: Vlad Buslov <vladbu@mellanox.com> Cc: Jamal Hadi Salim <jhs@mojatatu.com> Cc: Jiri Pirko <jiri@resnulli.us> Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-10-04net: team: fix memory leak in __team_options_registerAnant Thazhemadam1-1/+1
The variable "i" isn't initialized back correctly after the first loop under the label inst_rollback gets executed. The value of "i" is assigned to be option_count - 1, and the ensuing loop (under alloc_rollback) begins by initializing i--. Thus, the value of i when the loop begins execution will now become i = option_count - 2. Thus, when kfree(dst_opts[i]) is called in the second loop in this order, (i.e., inst_rollback followed by alloc_rollback), dst_optsp[option_count - 2] is the first element freed, and dst_opts[option_count - 1] does not get freed, and thus, a memory leak is caused. This memory leak can be fixed, by assigning i = option_count (instead of option_count - 1). Fixes: 80f7c6683fe0 ("team: add support for per-port options") Reported-by: syzbot+69b804437cfec30deac3@syzkaller.appspotmail.com Tested-by: syzbot+69b804437cfec30deac3@syzkaller.appspotmail.com Signed-off-by: Anant Thazhemadam <anant.thazhemadam@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-10-04bnxt_en: Eliminate unnecessary RX resets.Michael Chan2-1/+53
Currently, the driver will schedule RX ring reset when we get a buffer error in the RX completion record. These RX buffer errors can be due to normal out-of-buffer conditions or a permanent error in the RX ring. Because the driver cannot distinguish between these 2 conditions, we assume all these buffer errors require reset. This is very disruptive when it is just a normal out-of-buffer condition. Newer firmware will now monitor the rings for the permanent failure and will send a notification to the driver when it happens. This allows the driver to reset only when such a notification is received. In environments where we have predominently out-of-buffer conditions, we now can avoid these unnecessary resets. Reviewed-by: Edwin Peer <edwin.peer@broadcom.com> Signed-off-by: Michael Chan <michael.chan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-10-04bnxt_en: Reduce unnecessary message log during RX errors.Michael Chan1-2/+4
There is logic in the RX path to detect unexpected handles in the RX completion. We'll print a warning and schedule a reset. The next expected handle is then set to 0xffff which is guaranteed to not match any valid handle. This will force all remaining packets in the ring to be discarded before the reset. There can be hundreds of these packets remaining in the ring and there is no need to print the warnings for these forced errors. Reviewed-by: Pavan Chebbi <pavan.chebbi@broadcom.com> Reviewed-by: Edwin Peer <edwin.peer@broadcom.com> Signed-off-by: Michael Chan <michael.chan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-10-04bnxt_en: Add a software counter for RX ring reset.Michael Chan3-4/+12
Add a per ring rx_resets counter to count these RX resets. Signed-off-by: Michael Chan <michael.chan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-10-04bnxt_en: Implement RX ring reset in response to buffer errors.Michael Chan1-4/+75
On some older chips, it is necessary to do a reset when we get buffer errors associated with an RX ring. These buffer errors may become frequent if the RX ring underruns under heavy traffic. The current code does a global reset of all reasources when this happens. This works but creates a big disruption of all rings when one RX ring is having problem. This patch implements a localized RX ring reset of just the RX ring having the issue. All other rings including all TX rings will not be affected by this single RX ring reset. Only the older chips prior to the P5 class supports this reset. Because it is not a global reset, packets may still be arriving while we are calling firmware to reset that ring. We need to be sure that we don't post any buffers during this time while the ring is undergoing reset. After firmware completes successfully, the ring will be in the reset state with no buffers and we can start filling it with new buffers and posting them. Reviewed-by: Pavan Chebbi <pavan.chebbi@broadcom.com> Signed-off-by: Edwin Peer <edwin.peer@broadcom.com> Signed-off-by: Michael Chan <michael.chan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-10-04bnxt_en: Refactor bnxt_init_one_rx_ring().Michael Chan1-46/+50
bnxt_init_one_rx_ring() includes logic to initialize the BDs for one RX ring and to allocate the buffers. Separate the allocation logic into a new bnxt_alloc_one_rx_ring() function. The allocation function will be used later to allocate new buffers for one specified RX ring when we reset that RX ring. Reviewed-by: Pavan Chebbi <pavan.chebbi@broadcom.com> Signed-off-by: Michael Chan <michael.chan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-10-04bnxt_en: Refactor bnxt_free_rx_skbs().Michael Chan1-68/+66
bnxt_free_rx_skbs() frees all the allocated buffers and SKBs for every RX ring. Refactor this function by calling a new function bnxt_free_one_rx_ring_skbs() to free these buffers on one specified RX ring at a time. This is preparation work for resetting one RX ring during run-time. Reviewed-by: Pavan Chebbi <pavan.chebbi@broadcom.com> Signed-off-by: Michael Chan <michael.chan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-10-04bnxt_en: Log FW health status info, if reset is aborted.Michael Chan1-1/+8
If firmware does not come out of reset, log FW health status info to provide more information on firmware status. Signed-off-by: Michael Chan <michael.chan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-10-04bnxt_en: perform no master recovery during startupEdwin Peer1-9/+29
The NS3 SoC platforms require assistance from the OP-TEE to recover firmware if a crash occurs while no driver is bound. The CRASHED_NO_MASTER condition is recorded in the firmware status register during the crash to indicate when driver intervension is needed to coordinate a firmware reload. This condition is detected during early driver initialization in order to effect a firmware fastboot on supported platforms when necessary. Reviewed-by: Vasundhara Volam <vasundhara-v.volam@broadcom.com> Signed-off-by: Edwin Peer <edwin.peer@broadcom.com> Signed-off-by: Michael Chan <michael.chan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-10-04bnxt_en: log firmware status on firmware init failureEdwin Peer2-5/+55
Firmware now supports device independent discovery of the status register location. This status register can provide more detailed information about firmware errors, especially if problems occur before the HWRM interface is functioning. Attempt to map this register if it is present and report the firmware status on firmware init failures. Signed-off-by: Edwin Peer <edwin.peer@broadcom.com> Signed-off-by: Michael Chan <michael.chan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-10-04bnxt_en: refactor bnxt_alloc_fw_health()Edwin Peer1-22/+38
The allocator for the firmware health structure conflates allocation and capability checks, limiting the reusability of the code. This patch separates out the capability check and disablement and improves the warning message to better describe the consequences of an allocation failure. Signed-off-by: Edwin Peer <edwin.peer@broadcom.com> Signed-off-by: Michael Chan <michael.chan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-10-04bnxt_en: Update firmware interface spec to 1.10.1.68.Vasundhara Volam1-3/+21
Main changes is to extend hwrm_nvm_get_dev_info_output() for stored firmware versions and a new flag is added to fw_status_reg. Reviewed-by: Edwin Peer <edwin.peer@broadcom.com> 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>
2020-10-04net: dsa: mv88e6xxx: Add per port devlink regionsAndrew Lunn1-4/+105
Add a devlink region to return the per port registers. Signed-off-by: Andrew Lunn <andrew@lunn.ch> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Reviewed-by: Vladimir Oltean <olteanv@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-10-04net: dsa: Add helper for converting devlink port to ds and portAndrew Lunn1-0/+14
Hide away from DSA drivers how devlink works. Signed-off-by: Andrew Lunn <andrew@lunn.ch> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Reviewed-by: Vladimir Oltean <olteanv@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-10-04net: dsa: Add devlink port regions support to DSAAndrew Lunn2-0/+19
Allow DSA drivers to make use of devlink port regions, via simple wrappers. Reviewed-by: Vladimir Oltean <olteanv@gmail.com> Tested-by: Vladimir Oltean <olteanv@gmail.com> Signed-off-by: Andrew Lunn <andrew@lunn.ch> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-10-04net: devlink: Add support for port regionsAndrew Lunn2-26/+251
Allow regions to be registered to a devlink port. The same netlink API is used, but the port index is provided to indicate when a region is a port region as opposed to a device region. Reviewed-by: Vladimir Oltean <olteanv@gmail.com> Tested-by: Vladimir Oltean <olteanv@gmail.com> Signed-off-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
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