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2018-10-11cxgb4: fix thermal configuration dependenciesArnd Bergmann4-11/+10
With CONFIG_THERMAL=m, we get a build error: drivers/net/ethernet/chelsio/cxgb4/cxgb4_thermal.c: In function 'cxgb4_thermal_get_trip_type': drivers/net/ethernet/chelsio/cxgb4/cxgb4_thermal.c:48:11: error: 'struct adapter' has no member named 'ch_thermal' Once that is fixed by using IS_ENABLED() checks, we get a link error against the thermal subsystem when cxgb4 is built-in: drivers/net/ethernet/chelsio/cxgb4/cxgb4_thermal.o: In function `cxgb4_thermal_init': cxgb4_thermal.c:(.text+0x180): undefined reference to `thermal_zone_device_register' drivers/net/ethernet/chelsio/cxgb4/cxgb4_thermal.o: In function `cxgb4_thermal_remove': cxgb4_thermal.c:(.text+0x1e0): undefined reference to `thermal_zone_device_unregister' Finally, since CONFIG_THERMAL can be =m, the Makefile fails to pick up the extra file into built-in.a, and we get another link failure against the cxgb4_thermal_init/cxgb4_thermal_remove files, so the Makefile has to be adapted as well to work for both CONFIG_THERMAL=y and =m. Fixes: b18719157762 ("cxgb4: Add thermal zone support") Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-10-11net: ena: fix indentations in ena_defs for better readabilityArthur Kiyanovski3-425/+338
Signed-off-by: Arthur Kiyanovski <akiyano@amazon.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-10-11net: ena: update driver version to 2.0.1Arthur Kiyanovski1-3/+3
Signed-off-by: Arthur Kiyanovski <akiyano@amazon.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-10-11net: ena: remove redundant parameter in ena_com_admin_init()Arthur Kiyanovski3-9/+4
Remove redundant spinlock acquire parameter from ena_com_admin_init() Signed-off-by: Arthur Kiyanovski <akiyano@amazon.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-10-11net: ena: change rx copybreak default to reduce kernel memory pressureArthur Kiyanovski1-1/+1
Improves socket memory utilization when receiving packets larger than 128 bytes (the previous rx copybreak) and smaller than 256 bytes. Signed-off-by: Arthur Kiyanovski <akiyano@amazon.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-10-11net: ena: limit refill Rx threshold to 256 to avoid latency issuesArthur Kiyanovski2-3/+6
Currently Rx refill is done when the number of required descriptors is above 1/8 queue size. With a default of 1024 entries per queue the threshold is 128 descriptors. There is intention to increase the queue size to 8196 entries. In this case threshold of 1024 descriptors is too large and can hurt latency. Add another limitation to Rx threshold to be at most 256 descriptors. Signed-off-by: Arthur Kiyanovski <akiyano@amazon.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-10-11net: ena: explicit casting and initialization, and clearer error handlingArthur Kiyanovski3-30/+36
Signed-off-by: Arthur Kiyanovski <akiyano@amazon.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-10-11net: ena: use CSUM_CHECKED device indication to report skb's checksum statusArthur Kiyanovski6-3/+26
Set skb->ip_summed to the correct value as reported by the device. Add counter for the case where rx csum offload is enabled but device didn't check it. Signed-off-by: Arthur Kiyanovski <akiyano@amazon.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-10-11net: ena: add functions for handling Low Latency Queues in ena_netdevArthur Kiyanovski3-143/+251
This patch includes all code changes necessary in ena_netdev to enable packet sending via the LLQ placemnt mode. Signed-off-by: Arthur Kiyanovski <akiyano@amazon.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-10-11net: ena: add functions for handling Low Latency Queues in ena_comArthur Kiyanovski5-80/+474
This patch introduces APIs for detection, initialization, configuration and actual usage of low latency queues(LLQ). It extends transmit API with creation of LLQ descriptors in device memory (which include host buffers descriptors as well as packet header) Signed-off-by: Arthur Kiyanovski <akiyano@amazon.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-10-11net: ena: introduce Low Latency Queues data structures according to ENA specArthur Kiyanovski3-6/+128
Low Latency Queues(LLQ) allow usage of device's memory for descriptors and headers. Such queues decrease processing time since data is already located on the device when driver rings the doorbell. Signed-off-by: Arthur Kiyanovski <akiyano@amazon.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-10-11net: ena: complete host info to match latest ENA specArthur Kiyanovski4-14/+43
Add new fields and definitions to host info and fill them according to the latest ENA spec version. Signed-off-by: Arthur Kiyanovski <akiyano@amazon.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-10-11net: ena: minor performance improvementArthur Kiyanovski2-45/+44
Reduce fastpath overhead by making ena_com_tx_comp_req_id_get() inline. Also move it to ena_eth_com.h file with its dependency function ena_com_cq_inc_head(). Signed-off-by: Arthur Kiyanovski <akiyano@amazon.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-10-11mlxsw: spectrum: Add NVE packet trapsIdo Schimmel2-0/+5
The DECAP_ECN0 trap will be used to trap packets where the overlay packet is marked with Non-ECT, but the underlay packet is marked with either ECT(0), ECT(1) or CE. When trapped, such packets will be counted as errors by the VxLAN driver and thus provide better visibility. The NVE_ENCAP_ARP trap will be used to trap ARP packets undergoing NVE encapsulation. This is needed in order to support E-VPN ARP suppression, where the Linux bridge does not flood ARP packets through tunnel ports in case it can answer the ARP request itself. Note that all the packets trapped via these traps are marked with 'offload_fwd_mark', so as to not be re-flooded by the Linux bridge through the ASIC ports. Signed-off-by: Ido Schimmel <idosch@mellanox.com> Reviewed-by: Petr Machata <petrm@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-10-11mlxsw: resources: Add NVE resourcesIdo Schimmel1-0/+4
Add the following resources to be used by the NVE code: * Number of IPv4 underlay destination IPs in a single TNUMT record * Number of IPv6 underlay destination IPs in a single TNUMT record Signed-off-by: Ido Schimmel <idosch@mellanox.com> Reviewed-by: Petr Machata <petrm@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-10-11mlxsw: reg: Add Monitoring Parsing State RegisterIdo Schimmel1-0/+44
This register is used for setting up the parsing for hash, policy-engine and routing. Signed-off-by: Ido Schimmel <idosch@mellanox.com> Reviewed-by: Petr Machata <petrm@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-10-11mlxsw: reg: Add definition of unicast tunnel record for SFD registerIdo Schimmel1-0/+56
Will be used to program the device with FDB records pointing to a NVE tunnel. Signed-off-by: Ido Schimmel <idosch@mellanox.com> Reviewed-by: Petr Machata <petrm@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-10-11mlxsw: reg: Add Tunneling NVE QoS Default RegisterIdo Schimmel1-0/+30
The TNQDR register configures the default QoS settings for NVE encapsulation. It will be used to set the default DSCP of each port to 0, so that when DSCP is set to inherit and the overlay packet does not have an IP header the outer DSCP will be set to 0, in accordance with the software data path. Signed-off-by: Ido Schimmel <idosch@mellanox.com> Reviewed-by: Petr Machata <petrm@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-10-11mlxsw: reg: Add Tunneling NVE QoS Configuration RegisterIdo Schimmel1-0/+26
The register configures how QoS is set in Encapsulation into the underlay network. Signed-off-by: Ido Schimmel <idosch@mellanox.com> Reviewed-by: Petr Machata <petrm@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-10-11mlxsw: reg: Add Tunneling NVE Decapsulation ECN Mapping RegisterIdo Schimmel1-0/+57
This register configures the actions that are done during NVE decapsulation based on the ECN bits. Signed-off-by: Ido Schimmel <idosch@mellanox.com> Reviewed-by: Petr Machata <petrm@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-10-11mlxsw: reg: Add Tunneling NVE Encapsulation ECN Mapping RegisterIdo Schimmel1-0/+31
This register performs mapping from overlay ECN to underlay ECN during NVE encapsulation. Signed-off-by: Ido Schimmel <idosch@mellanox.com> Reviewed-by: Petr Machata <petrm@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-10-11mlxsw: reg: Add Tunneling NVE Underlay Multicast Table RegisterIdo Schimmel1-0/+91
This register builds the linked list of underlay destination IPs used for BUM traffic on the overlay. Signed-off-by: Ido Schimmel <idosch@mellanox.com> Reviewed-by: Petr Machata <petrm@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-10-11mlxsw: reg: Add Tunnel Port Configuration RegisterIdo Schimmel1-0/+46
This register enables / disables learning on different types of tunnel ports (e.g., NVE, VPLS). Signed-off-by: Ido Schimmel <idosch@mellanox.com> Reviewed-by: Petr Machata <petrm@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-10-11mlxsw: reg: Add Tunneling NVE General Configuration RegisterIdo Schimmel1-0/+185
This register configures global NVE configuration such as source IP of the NVE tunnel and UDP source port calculation. Signed-off-by: Ido Schimmel <idosch@mellanox.com> Reviewed-by: Petr Machata <petrm@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-10-11mlxsw: spectrum: Seed LAG hash functionIdo Schimmel2-2/+12
Currently, the seed of the LAG hash function is always set to 0, which means it is identical across all switches. Instead, use a random number. This is especially important now that VxLAN is supported, as the LAG hash function is used to calculate the UDP source port of the encapsulated packet. Signed-off-by: Ido Schimmel <idosch@mellanox.com> Reviewed-by: Petr Machata <petrm@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-10-11mlxsw: reg: Extend FDB flush types for NVEIdo Schimmel1-0/+6
The device has the ability to flush all the FDB records that perform NVE encapsulation or only a subset of these with a specific filtering identifier (FID). Expose these types so that they could be used by subsequent patches where we need to flush the FDB records when an NVE device is unlinked from a bridge (FID). Signed-off-by: Ido Schimmel <idosch@mellanox.com> Reviewed-by: Petr Machata <petrm@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-10-11mlxsw: spectrum: Add a new type of KVD linear recordIdo Schimmel2-0/+3
When the device needs to flood an overlay packet to remote VTEPs it retrieves a pointer to the head of a linked-list of records that store the IP addresses of these VTEPs. These records are stored in the KVD linear memory and configured via the Tunneling NVE Underlay Multicast Table (TNUMT) register. Add a new KVD linear entry type for these records, so that we will be able to allocate and free them. Signed-off-by: Ido Schimmel <idosch@mellanox.com> Reviewed-by: Petr Machata <petrm@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-10-11mlxsw: spectrum: Move L3 protocol and address definitions to global header fileIdo Schimmel2-11/+11
The L3 protocol and address definitions are going to be used by the NVE code, so move them to the global header file from the one private to the router. Signed-off-by: Ido Schimmel <idosch@mellanox.com> Reviewed-by: Petr Machata <petrm@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-10-11mlxsw: spectrum_switchdev: Do not assume notifier information typeIdo Schimmel1-1/+5
VxLAN notifications are going to use a different notifier information type, so cast to the correct type based on the received event. Signed-off-by: Ido Schimmel <idosch@mellanox.com> Reviewed-by: Petr Machata <petrm@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-10-11mlxsw: spectrum_switchdev: Check notification relevance based on upper deviceIdo Schimmel1-1/+8
VxLAN FDB updates are sent with the VxLAN device which is not our upper and will therefore be ignored by current code. Solve this by checking whether the upper device (bridge) is our upper. Signed-off-by: Ido Schimmel <idosch@mellanox.com> Reviewed-by: Petr Machata <petrm@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-10-11mlxsw: spectrum_switchdev: Prepare for VxLAN FDB notificationsIdo Schimmel1-2/+3
VxLAN FDB notifications need to be handled differently than bridge FDB notifications, so initialize the work item based on the received notification and rename the invoked function accordingly. Signed-off-by: Ido Schimmel <idosch@mellanox.com> Reviewed-by: Petr Machata <petrm@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-10-11mlxsw: spectrum: Remove misuses of private header fileIdo Schimmel3-5/+4
The spectrum_router.h header file is private to the router block and should only be included by direct consumers of it, such as dpipe and the multicast routing code. Signed-off-by: Ido Schimmel <idosch@mellanox.com> Reviewed-by: Petr Machata <petrm@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-10-11octeontx2-af: Remove set but not used variable 'dev'YueHaibing1-3/+0
Fixes gcc '-Wunused-but-set-variable' warning: drivers/net/ethernet/marvell/octeontx2/af/cgx.c: In function 'cgx_fwi_event_handler': drivers/net/ethernet/marvell/octeontx2/af/cgx.c:257:17: warning: variable 'dev' set but not used [-Wunused-but-set-variable] It never be used since introduction in commit 1463f382f58d ("octeontx2-af: Add support for CGX link management") Signed-off-by: YueHaibing <yuehaibing@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-10-11net: mscc: allow extracting the FCS into the skbAntoine Tenart2-2/+7
This patch adds support for the NETIF_F_RXFCS feature in the Mscc Ethernet driver. This feature is disabled by default and allow a user to request the driver not to drop the FCS and to extract it into the skb for debugging purposes. Signed-off-by: Antoine Tenart <antoine.tenart@bootlin.com> Reviewed-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-10-10net: hns3: Add HW RSS hash information to RX skbPeng Li3-0/+36
Drivers should call skb_set_hash to set the hash and its type in an skbuff. Signed-off-by: Peng Li <lipeng321@huawei.com> Signed-off-by: Salil Mehta <salil.mehta@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-10-10net: hns3: Add RSS tuples support for VFJian Shen4-2/+234
This patch adds RSS tuple support for VF in revision 0x21. Signed-off-by: Jian Shen <shenjian15@huawei.com> Signed-off-by: Peng Li <lipeng321@huawei.com> Signed-off-by: Salil Mehta <salil.mehta@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-10-10net: hns3: Add RSS general configuration support for VFJian Shen2-52/+106
This patch adds RSS key, hash algorithm configuration support for VF in revision 0x21. Signed-off-by: Jian Shen <shenjian15@huawei.com> Signed-off-by: Peng Li <lipeng321@huawei.com> Signed-off-by: Salil Mehta <salil.mehta@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-10-10net: hns3: Add new RSS hash algorithm support for PFJian Shen2-10/+30
This patch adds ETH_RSS_HASH_XOR hash algorithm supports, which is supported by hw revision 0x21. Signed-off-by: Jian Shen <shenjian15@huawei.com> Signed-off-by: Peng Li <lipeng321@huawei.com> Signed-off-by: Salil Mehta <salil.mehta@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-10-10phy: phy-ocelot-serdes: fix return value check in serdes_probe()Wei Yongjun1-2/+2
In case of error, the function syscon_node_to_regmap() returns ERR_PTR() and never returns NULL. The NULL test in the return value check should be replaced with IS_ERR(). Fixes: 51f6b410fc22 ("phy: add driver for Microsemi Ocelot SerDes muxing") Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com> Reviewed-by: Quentin Schulz <quentin.schulz@bootlin.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-10-10net: dsa: bcm_sf2: Call setup during switch resumeFlorian Fainelli1-9/+1
There is no reason to open code what the switch setup function does, in fact, because we just issued a switch reset, we would make all the register get their default values, including for instance, having unused port be enabled again and wasting power and leading to an inappropriate switch core clock being selected. Fixes: 8cfa94984c9c ("net: dsa: bcm_sf2: add suspend/resume callbacks") Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-10-10net: dsa: bcm_sf2: Fix unbind orderingFlorian Fainelli1-2/+2
The order in which we release resources is unfortunately leading to bus errors while dismantling the port. This is because we set priv->wol_ports_mask to 0 to tell bcm_sf2_sw_suspend() that it is now permissible to clock gate the switch. Later on, when dsa_slave_destroy() comes in from dsa_unregister_switch() and calls dsa_switch_ops::port_disable, we perform the same dismantling again, and this time we hit registers that are clock gated. Make sure that dsa_unregister_switch() is the first thing that happens, which takes care of releasing all user visible resources, then proceed with clock gating hardware. We still need to set priv->wol_ports_mask to 0 to make sure that an enabled port properly gets disabled in case it was previously used as part of Wake-on-LAN. Fixes: d9338023fb8e ("net: dsa: bcm_sf2: Make it a real platform device driver") Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-10-10net: sched: avoid writing on noop_qdiscEric Dumazet1-2/+12
While noop_qdisc.gso_skb and noop_qdisc.skb_bad_txq are not used in other places, it seems not correct to overwrite their fields in dev_init_scheduler_queue(). noop_qdisc is essentially a shared and read-only object, even if it is not marked as const because of some implementation detail. Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-10-10net/mpls: Implement handler for strict data checking on dumpsDavid Ahern1-1/+35
Without CONFIG_INET enabled compiles fail with: net/mpls/af_mpls.o: In function `mpls_dump_routes': af_mpls.c:(.text+0xed0): undefined reference to `ip_valid_fib_dump_req' The preference is for MPLS to use the same handler as ipv4 and ipv6 to allow consistency when doing a dump for AF_UNSPEC which walks all address families invoking the route dump handler. If INET is disabled then fallback to an MPLS version which can be tighter on the data checks. Fixes: e8ba330ac0c5 ("rtnetlink: Update fib dumps for strict data checking") Reported-by: Randy Dunlap <rdunlap@infradead.org> Reported-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-10-10fore200e: check for dma mapping failuresChristoph Hellwig1-0/+13
The driver was lacking any handling for failures from the DMA mapping routines. With an iommu or swiotlb this can be fatal. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-10-10fore200e: don't use GFP_DMAChristoph Hellwig1-4/+4
The driver properly uses the DMA mapping API, so it should not pointlessly dip into the GFP_DMA pool, which is only 16MB on x86. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-10-10fore200e: devirtualize dma alloc callsChristoph Hellwig2-85/+45
There is no need for an indirection before calling the dma alloc routines now that we store a struct device in struct fore200e. Also remove the pointless GFP_ATOMIC for the sbus case, and fix the up the error handling by removing the 0 dma_addr test - some iommus can return 0 as a perfectly valid bus address. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-10-10fore200e: devirtualize dma mapping callsChristoph Hellwig2-99/+17
There is no need for an indirection before calling the dma mapping routines now that we store a struct device in struct fore200e. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-10-10fore200e: remove the align_size field of struct chunkChristoph Hellwig1-3/+2
There is no need for this field, as the only user of it can just use the local size variable instead. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-10-10fore200e: store a struct device in struct fore200eChristoph Hellwig2-44/+23
This can be used much better than the untyped void pointer containing either a PCI or platform device. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-10-10fore200e: simplify fore200e_bus usageChristoph Hellwig1-65/+56
There is no need to have a global array of the ops, instead PCI and sbus can have their own instances assigned in *_probe. Also switch to C99 initializers. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: David S. Miller <davem@davemloft.net>
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