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2020-10-14netfilter: restore NF_INET_NUMHOOKSPablo Neira Ayuso3-4/+6
This definition is used by the iptables legacy UAPI, restore it. Fixes: d3519cb89f6d ("netfilter: nf_tables: add inet ingress support") Reported-by: Jason A. Donenfeld <Jason@zx2c4.com> Tested-by: Jason A. Donenfeld <Jason@zx2c4.com> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-10-13e1000: remove unused and incorrect codeJesse Brandeburg1-9/+1
The e1000_clear_vfta function was triggering a warning in kbuild-bot testing. It's actually a bug but has no functional impact. drivers/net/ethernet/intel/e1000/e1000_hw.c:4415:58: warning: Same expression in both branches of ternary operator. [duplicateExpressionTernary] Fix this warning by removing the offending code and simplifying the routine to do exactly what it did before, no functional change. Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-10-13i40e: Allow changing FEC settings on X722 if supported by FWJaroslaw Gawin5-12/+49
Starting with API version 1.10 firmware for X722 devices has ability to change FEC settings in PHY. Code added in this patch allows changing FEC settings if the capability flag indicates the device supports this feature. Signed-off-by: Jaroslaw Gawin <jaroslawx.gawin@intel.com> Signed-off-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com> Signed-off-by: Arkadiusz Kubalewski <arkadiusz.kubalewski@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-10-13xfrm: use new function dev_fetch_sw_netstatsHeiner Kallweit1-21/+1
Simplify the code by using new function dev_fetch_sw_netstats(). Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Link: https://lore.kernel.org/r/a6b816f4-bbf2-9db0-d59a-7e4e9cc808fe@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-10-13net: openvswitch: use new function dev_fetch_sw_netstatsHeiner Kallweit1-19/+1
Simplify the code by using new function dev_fetch_sw_netstats(). Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Link: https://lore.kernel.org/r/5e52dc91-97b1-82b0-214b-65d404e4a2ec@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-10-13mac80211: use new function dev_fetch_sw_netstatsHeiner Kallweit1-22/+1
Simplify the code by using new function dev_fetch_sw_netstats(). Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Link: https://lore.kernel.org/r/93dda477-70ae-0ccf-71b4-bfebb66c9beb@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-10-13iptunnel: use new function dev_fetch_sw_netstatsHeiner Kallweit1-22/+1
Simplify the code by using new function dev_fetch_sw_netstats(). Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Link: https://lore.kernel.org/r/050f9a83-b195-a3d6-edbd-91a59040be21@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-10-13net: dsa: use new function dev_fetch_sw_netstatsHeiner Kallweit1-20/+1
Simplify the code by using new function dev_fetch_sw_netstats(). Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Tested-by: Vladimir Oltean <olteanv@gmail.com> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Link: https://lore.kernel.org/r/b6047017-8226-6b7e-a3cd-064e69fdfa27@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-10-13net: bridge: use new function dev_fetch_sw_netstatsHeiner Kallweit1-20/+1
Simplify the code by using new function dev_fetch_sw_netstats(). Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Link: https://lore.kernel.org/r/d1c3ff29-5691-9d54-d164-16421905fa59@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-10-13qtnfmac: use new function dev_fetch_sw_netstatsHeiner Kallweit1-22/+1
Simplify the code by using new function dev_fetch_sw_netstats(). Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Acked-by: Kalle Valo <kvalo@codeaurora.org> Link: https://lore.kernel.org/r/166259f2-084c-45d7-e610-2de2a0bdae06@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-10-13net: usbnet: use new function dev_fetch_sw_netstatsHeiner Kallweit1-23/+1
Simplify the code by using new function dev_fetch_sw_netstats(). Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Link: https://lore.kernel.org/r/70ad3e33-8ea6-e12e-31de-5fec7a3c4f6e@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-10-13net: usb: qmi_wwan: use new function dev_fetch_sw_netstatsHeiner Kallweit1-23/+1
Simplify the code by using new function dev_fetch_sw_netstats(). Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Acked-by: Bjørn Mork <bjorn@mork.no> Link: https://lore.kernel.org/r/2c97b75b-107e-0ab6-d9ef-9f38bb03f495@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-10-13net: macsec: use new function dev_fetch_sw_netstatsHeiner Kallweit1-21/+1
Simplify the code by using new function dev_fetch_sw_netstats(). Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Link: https://lore.kernel.org/r/0d81e0f7-7784-42df-8e10-d0b77ca5b7ee@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-10-13IB/hfi1: use new function dev_fetch_sw_netstatsHeiner Kallweit1-33/+1
Simplify the code by using new function dev_fetch_sw_netstats(). Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Link: https://lore.kernel.org/r/6cad1a04-f021-d94b-45fd-7cc7cf07367d@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-10-13net: add function dev_fetch_sw_netstats for fetching pcpu_sw_netstatsHeiner Kallweit2-0/+36
In several places the same code is used to populate rtnl_link_stats64 fields with data from pcpu_sw_netstats. Therefore factor out this code to a new function dev_fetch_sw_netstats(). v2: - constify argument netstats - don't ignore netstats being NULL or an ERRPTR - switch to EXPORT_SYMBOL_GPL Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Link: https://lore.kernel.org/r/6d16a338-52f5-df69-0020-6bc771a7d498@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-10-13virtio-net: ethtool configurable RXCSUMTonghao Zhang1-12/+36
Allow user configuring RXCSUM separately with ethtool -K, reusing the existing virtnet_set_guest_offloads helper that configures RXCSUM for XDP. This is conditional on VIRTIO_NET_F_CTRL_GUEST_OFFLOADS. If Rx checksum is disabled, LRO should also be disabled. Signed-off-by: Tonghao Zhang <xiangxia.m.yue@gmail.com> Acked-by: Michael S. Tsirkin <mst@redhat.com> Acked-by: Jason Wang <jasowang@redhat.com> Acked-by: Willem de Bruijn <willemb@google.com> Link: https://lore.kernel.org/r/20201012015820.62042-1-xiangxia.m.yue@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-10-13net/af_unix: Remove unused old_pid variableOr Cohen1-2/+0
Commit 109f6e39fa07c48f5801 ("af_unix: Allow SO_PEERCRED to work across namespaces.") introduced the old_pid variable in unix_listen, but it's never used. Remove the declaration and the call to put_pid. Signed-off-by: Or Cohen <orcohen@paloaltonetworks.com> Link: https://lore.kernel.org/r/20201011153527.18628-1-orcohen@paloaltonetworks.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-10-13net/tls: use semicolons rather than commas to separate statementsJulia Lawall1-1/+1
Replace commas with semicolons. Commas introduce unnecessary variability in the code structure and are hard to see. What is done is essentially described by the following Coccinelle semantic patch (http://coccinelle.lip6.fr/): // <smpl> @@ expression e1,e2; @@ e1 -, +; e2 ... when any // </smpl> Signed-off-by: Julia Lawall <Julia.Lawall@inria.fr> Link: https://lore.kernel.org/r/1602412498-32025-6-git-send-email-Julia.Lawall@inria.fr Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-10-13net/ipv6: use semicolons rather than commas to separate statementsJulia Lawall1-1/+1
Replace commas with semicolons. Commas introduce unnecessary variability in the code structure and are hard to see. What is done is essentially described by the following Coccinelle semantic patch (http://coccinelle.lip6.fr/): // <smpl> @@ expression e1,e2; @@ e1 -, +; e2 ... when any // </smpl> Signed-off-by: Julia Lawall <Julia.Lawall@inria.fr> Acked-by: Paul Moore <paul@paul-moore.com> Link: https://lore.kernel.org/r/1602412498-32025-5-git-send-email-Julia.Lawall@inria.fr Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-10-13tcp: use semicolons rather than commas to separate statementsJulia Lawall2-5/+6
Replace commas with semicolons. Commas introduce unnecessary variability in the code structure and are hard to see. What is done is essentially described by the following Coccinelle semantic patch (http://coccinelle.lip6.fr/): // <smpl> @@ expression e1,e2; @@ e1 -, +; e2 ... when any // </smpl> Signed-off-by: Julia Lawall <Julia.Lawall@inria.fr> Link: https://lore.kernel.org/r/1602412498-32025-4-git-send-email-Julia.Lawall@inria.fr Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-10-13net: mscc: ocelot: remove duplicate ocelot_port_dev_checkVladimir Oltean1-8/+3
A helper for checking whether a net_device belongs to mscc_ocelot already existed and did not need to be rewritten. Use it. Fixes: 319e4dd11a20 ("net: mscc: ocelot: introduce conversion helpers between port and netdev") Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com> Link: https://lore.kernel.org/r/20201011092041.3535101-1-vladimir.oltean@nxp.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-10-13macb: support the two tx descriptors on at91rm9200Willy Tarreau2-8/+40
The at91rm9200 variant used by a few chips including the MSC313 supports two Tx descriptors (one frame being serialized and another one queued). However the driver only implemented a single one, which adds a dead time after each transfer to receive and process the interrupt and wake the queue up, preventing from reaching line rate. This patch implements a very basic 2-deep queue to address this limitation. The tests run on a Breadbee board equipped with an MSC313E show that at 1 GHz, HTTP traffic on medium-sized objects (45kB) was limited to exactly 50 Mbps before this patch, and jumped to 76 Mbps with this patch. And tests on a single TCP stream with an MTU of 576 jump from 10kpps to 15kpps. With 1500 byte packets it's now possible to reach line rate versus 75 Mbps before. Cc: Nicolas Ferre <nicolas.ferre@microchip.com> Cc: Claudiu Beznea <claudiu.beznea@microchip.com> Cc: Daniel Palmer <daniel@0x0f.com> Signed-off-by: Willy Tarreau <w@1wt.eu> Link: https://lore.kernel.org/r/20201011090944.10607-4-w@1wt.eu Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-10-13macb: prepare at91 to use a 2-frame TX queueWilly Tarreau2-16/+18
The RM9200 supports one frame being sent while another one is waiting in queue. This avoids the dead time that follows the emission of a frame and which prevents one from reaching line speed. Right now the driver supports only a single skb, so we'll first replace the rm9200-specific skb info with an array of two macb_tx_skb (already used by other drivers). This patch only moves the skb_length to txq[0].size and skb_physaddr to skb[0].mapping but doesn't perform any other change. It already uses [desc] in order to minimize future changes. Cc: Nicolas Ferre <nicolas.ferre@microchip.com> Cc: Claudiu Beznea <claudiu.beznea@microchip.com> Cc: Daniel Palmer <daniel@0x0f.com> Signed-off-by: Willy Tarreau <w@1wt.eu> Link: https://lore.kernel.org/r/20201011090944.10607-3-w@1wt.eu Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-10-13macb: add RM9200's interrupt flag TBREWilly Tarreau1-0/+2
Transmit Buffer Register Empty replaces TXERR on RM9200 and signals the sender may try to send again becase the last queued frame is no longer in queue (being transmitted or already transmitted). Cc: Nicolas Ferre <nicolas.ferre@microchip.com> Cc: Claudiu Beznea <claudiu.beznea@microchip.com> Cc: Daniel Palmer <daniel@0x0f.com> Signed-off-by: Willy Tarreau <w@1wt.eu> Link: https://lore.kernel.org/r/20201011090944.10607-2-w@1wt.eu Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-10-12net/mlx5e: IPsec: Add Connect-X IPsec Tx data path offloadRaed Salem5-29/+202
In the TX data path, spot packets with xfrm stack IPsec offload indication. Fill Software-Parser segment in TX descriptor so that the hardware may parse the ESP protocol, and perform TX checksum offload on the inner payload. Support GSO, by providing the trailer data and ICV placeholder so HW can fill it post encryption operation. Padding alignment cannot be performed in HW (ConnectX-6Dx) due to a bug. Software can overcome this limitation by adding NETIF_F_HW_ESP to the gso_partial_features field in netdev so the packets being aligned by the stack. l4_inner_checksum cannot be offloaded by HW for IPsec tunnel type packet. Note that for GSO SKBs, the stack does not include an ESP trailer, unlike the non-GSO case. Below is the iperf3 performance report on two server of 24 cores Intel(R) Xeon(R) CPU E5-2620 v3 @ 2.40GHz with ConnectX6-DX. All the bandwidth test uses iperf3 TCP traffic with packet size 128KB. Each tunnel uses one iperf3 stream with one thread (option -P1). TX crypto offload shows improvements on both bandwidth and CPU utilization. ---------------------------------------------------------------------- Mode | Num tunnel | BW | Send CPU util | Recv CPU util | | (Gbps) | (Average %) | (Average %) ---------------------------------------------------------------------- Cryto offload | | | | (RX only) | 1 | 4.7 | 4.2 | 3.5 ---------------------------------------------------------------------- Cryto offload | | | | (RX only) | 24 | 15.6 | 20 | 10 ---------------------------------------------------------------------- Non-offload | 1 | 4.6 | 4 | 5 ---------------------------------------------------------------------- Non-offload | 24 | 11.9 | 16 | 12 ---------------------------------------------------------------------- Cryto offload | | | | (TX & RX) | 1 | 11.9 | 2.1 | 5.9 ---------------------------------------------------------------------- Cryto offload | | | | (TX & RX) | 24 | 38 | 9.5 | 27.5 ---------------------------------------------------------------------- Cryto offload | | | | (TX only) | 1 | 4.7 | 0.7 | 5 ---------------------------------------------------------------------- Cryto offload | | | | (TX only) | 24 | 14.5 | 6 | 20 Regression tests show no degradation on non-ipsec and non-offload-ipsec traffics. The packet rate test uses pktgen UDP to transmit on single CPU, the instructions and cycles are measured on the transmit CPU. before: ---------------------------------------------------------------------- Non-offload | 1 | 4.7 | 4.2 | 5.1 ---------------------------------------------------------------------- Non-offload | 24 | 11.2 | 14 | 15 ---------------------------------------------------------------------- Non-ipsec | 1 | 28 | 4 | 5.7 ---------------------------------------------------------------------- Non-ipsec | 24 | 68.3 | 17.8 | 39.7 ---------------------------------------------------------------------- Non-ipsec packet rate(BURST=1000 BC=5 NCPUS=1 SIZE=60) 13.56Mpps, 456 instructions/pkt, 191 cycles/pkt after: ---------------------------------------------------------------------- Non-offload | 1 | 4.69 | 4.2 | 5 ---------------------------------------------------------------------- Non-offload | 24 | 11.9 | 13.5 | 15.1 ---------------------------------------------------------------------- Non-ipsec | 1 | 29 | 3.2 | 5.5 ---------------------------------------------------------------------- Non-ipsec | 24 | 68.2 | 18.5 | 39.8 ---------------------------------------------------------------------- Non-ipsec packet rate: 13.56Mpps, 472 instructions/pkt, 191 cycles/pkt Signed-off-by: Raed Salem <raeds@mellanox.com> Signed-off-by: Huy Nguyen <huyn@mellanox.com> Reviewed-by: Maxim Mikityanskiy <maximmi@mellanox.com> Reviewed-by: Tariq Toukan <tariqt@nvidia.com> Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
2020-10-12net/mlx5e: IPsec: Add TX steering rule per IPsec stateHuy Nguyen3-5/+181
Add new FTE in TX IPsec FT per IPsec state. It has the same matching criteria as the RX steering rule. The IPsec FT is created/destroyed when the first/last rule is added/deleted respectively. Signed-off-by: Huy Nguyen <huyn@mellanox.com> Reviewed-by: Boris Pismenny <borisp@nvidia.com> Reviewed-by: Tariq Toukan <tariqt@nvidia.com> Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
2020-10-12net/mlx5: Add NIC TX domain namespaceHuy Nguyen4-1/+23
Add new namespace that represents the NIC TX domain. Signed-off-by: Huy Nguyen <huyn@mellanox.com> Signed-off-by: Raed Salem <raeds@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
2020-10-12net/mlx5: Fix uininitialized pointer read on pointer attrColin Ian King1-1/+0
Currently the error exit path err_free kfree's attr. In the case where flow and parse_attr failed to be allocated this return path will free the uninitialized pointer attr, which is not correct. In the other case where attr fails to allocate attr does not need to be freed. So in both error exits via err_free attr should not be freed, so remove it. Addresses-Coverity: ("Uninitialized pointer read") Fixes: ff7ea04ad579 ("net/mlx5e: Fix potential null pointer dereference") Signed-off-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
2020-10-12bnxt_en: Add stored FW version info to devlink info_get cb.Vasundhara Volam1-2/+45
This patch adds FW versions stored in the flash to devlink info_get callback. Return the correct fw.psid running version using the newly added bp->nvm_cfg_ver. v2: Ensure stored pkg_name string is NULL terminated when copied to devlink. Return directly from the last call to bnxt_dl_info_put(). If the FW call to get stored version fails for any reason, return success immediately to devlink without the stored versions. Reviewed-by: Andy Gospodarek <gospo@broadcom.com> Signed-off-by: Vasundhara Volam <vasundhara-v.volam@broadcom.com> Signed-off-by: Michael Chan <michael.chan@broadcom.com> Link: https://lore.kernel.org/r/1602493854-29283-10-git-send-email-michael.chan@broadcom.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-10-12bnxt_en: Refactor bnxt_dl_info_get().Vasundhara Volam2-48/+71
Add a new function bnxt_dl_info_put() to simplify the code, as there are more stored firmware version fields to be added in the next patch. Also, rename fw_ver variable name to ncsi_ver for better naming while copying to devlink info_get cb. v2: Ensure active_pkg_name string is NULL terminated when copied to devlink. Return directly from the last call to bnxt_dl_info_put(). Reviewed-by: Pavan Chebbi <pavan.chebbi@broadcom.com> Reviewed-by: Andy Gospodarek <gospo@broadcom.com> Signed-off-by: Vasundhara Volam <vasundhara-v.volam@broadcom.com> Signed-off-by: Michael Chan <michael.chan@broadcom.com> Link: https://lore.kernel.org/r/1602493854-29283-9-git-send-email-michael.chan@broadcom.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-10-12bnxt_en: Add bnxt_hwrm_nvm_get_dev_info() to query NVM info.Vasundhara Volam4-0/+31
Add a new bnxt_hwrm_nvm_get_dev_info() to query firmware version information via NVM_GET_DEV_INFO firmware command. Use it to get the running version of the NVM configuration information. This new function will also be used in subsequent patches to get the stored firmware versions. Reviewed-by: Andy Gospodarek <gospo@broadcom.com> Signed-off-by: Vasundhara Volam <vasundhara-v.volam@broadcom.com> Signed-off-by: Michael Chan <michael.chan@broadcom.com> Link: https://lore.kernel.org/r/1602493854-29283-8-git-send-email-michael.chan@broadcom.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-10-12bnxt_en: Log unknown link speed appropriately.Michael Chan1-1/+5
If the VF virtual link is set to always enabled, the speed may be unknown when the physical link is down. The driver currently logs the link speed as 4294967295 Mbps which is SPEED_UNKNOWN. Modify the link up log message as "speed unknown" which makes more sense. Reviewed-by: Vasundhara Volam <vasundhara-v.volam@broadcom.com> Reviewed-by: Edwin Peer <edwin.peer@broadcom.com> Signed-off-by: Michael Chan <michael.chan@broadcom.com> Link: https://lore.kernel.org/r/1602493854-29283-7-git-send-email-michael.chan@broadcom.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-10-12bnxt_en: Log event_data1 and event_data2 when handling RESET_NOTIFY event.Michael Chan1-0/+3
Log these values that contain useful firmware state information. Reviewed-by: Edwin Peer <edwin.peer@broadcom.com> Reviewed-by: Vasundhara Volam <vasundhara-v.volam@broadcom.com> Signed-off-by: Michael Chan <michael.chan@broadcom.com> Link: https://lore.kernel.org/r/1602493854-29283-6-git-send-email-michael.chan@broadcom.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-10-12bnxt_en: Simplify bnxt_async_event_process().Michael Chan1-9/+3
event_data1 and event_data2 are used when processing most events. Store these in local variables at the beginning of the function to simplify many of the case statements. Reviewed-by: Edwin Peer <edwin.peer@broadcom.com> Signed-off-by: Michael Chan <michael.chan@broadcom.com> Link: https://lore.kernel.org/r/1602493854-29283-5-git-send-email-michael.chan@broadcom.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-10-12bnxt_en: Set driver default message level.Michael Chan1-1/+3
Currently, bp->msg_enable has default value of 0. It is more useful to have the commonly used NETIF_MSG_DRV and NETIF_MSG_HW enabled by default. v2: Change the fall back bnxt_reset_task() inside bnxt_rx_ring_reset() to silent mode. With older fw, we would take the fall back path and it would be very noisy. Reviewed-by: Edwin Peer <edwin.peer@broadcom.com> Reviewed-by: Vasundhara Volam <vasundhara-v.volam@broadcom.com> Signed-off-by: Michael Chan <michael.chan@broadcom.com> Link: https://lore.kernel.org/r/1602493854-29283-4-git-send-email-michael.chan@broadcom.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-10-12bnxt_en: Enable online self tests for multi-host/NPAR mode.Vasundhara Volam1-4/+4
Online self tests are not disruptive and can be run in NPAR mode and in multi-host NIC as well. 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> Link: https://lore.kernel.org/r/1602493854-29283-3-git-send-email-michael.chan@broadcom.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-10-12bnxt_en: Return -EROFS to user space, if NVM writes are not permitted.Vasundhara Volam1-0/+2
If NVRAM resources are locked, NVM writes are not permitted. In such scenarios, firmware returns HWRM_ERR_CODE_RESOURCE_LOCKED error to firmware commands. 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> Link: https://lore.kernel.org/r/1602493854-29283-2-git-send-email-michael.chan@broadcom.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-10-12cx82310_eth: use netdev_err instead of dev_errOndrej Zary1-16/+12
Use netdev_err for better device identification in syslog. Signed-off-by: Ondrej Zary <linux@zary.sk> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-10-12cx82310_eth: re-enable ethernet mode after router rebootOndrej Zary1-6/+44
When the router is rebooted without a power cycle, the USB device remains connected but its configuration is reset. This results in a non-working ethernet connection with messages like this in syslog: usb 2-2: RX packet too long: 65535 B Re-enable ethernet mode when receiving a packet with invalid size of 0xffff. Signed-off-by: Ondrej Zary <linux@zary.sk> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-10-12can: remove obsolete version stringsOliver Hartkopp8-33/+5
As pointed out by Jakub Kicinski here: http://lore.kernel.org/r/20201009175751.5c54097f@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com this patch removes the obsolete version information of the different CAN protocols and the AF_CAN core module. Signed-off-by: Oliver Hartkopp <socketcan@hartkopp.net> Link: https://lore.kernel.org/r/20201012074354.25839-2-socketcan@hartkopp.net Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2020-10-12can: isotp: implement cleanups / improvements from reviewOliver Hartkopp3-9/+9
As pointed out by Jakub Kicinski here: http://lore.kernel.org/r/20201009175751.5c54097f@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com this patch addresses the remarked issues: - remove empty line in comment - remove default=y for CAN_ISOTP in Kconfig - make use of pr_notice_once() - use GFP_ATOMIC instead of gfp_any() in soft hrtimer context The version strings in the CAN subsystem are removed by a separate patch. Signed-off-by: Oliver Hartkopp <socketcan@hartkopp.net> Link: https://lore.kernel.org/r/20201012074354.25839-1-socketcan@hartkopp.net Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2020-10-11bpf, selftests: Add three new sockmap tests for verdict only programsJohn Fastabend1-1/+18
Here we add three new tests for sockmap to test having a verdict program without setting the parser program. The first test covers the most simply case, sender proxy_recv proxy_send recv | | | | verdict -----+ | | | | | +----------------+ +------------+ We load the verdict program on the proxy_recv socket without a parser program. It then does a redirect into the send path of the proxy_send socket using sendpage_locked(). Next we test the drop case to ensure if we kfree_skb as a result of the verdict program everything behaves as expected. Next we test the same configuration above, but with ktls and a redirect into socket ingress queue. Shown here tls tls sender proxy_recv proxy_send recv | | | | verdict ------------------+ | | redirect_ingress +----------------+ Also to set up ping/pong test Signed-off-by: John Fastabend <john.fastabend@gmail.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Link: https://lore.kernel.org/bpf/160239302638.8495.17125996694402793471.stgit@john-Precision-5820-Tower
2020-10-11bpf, selftests: Add option to test_sockmap to omit adding parser programJohn Fastabend1-14/+21
Add option to allow running without a parser program in place. To test with ping/pong program use, # test_sockmap -t ping --txmsg_omit_skb_parser this will send packets between two socket bouncing through a proxy socket that does not use a parser program. (ping) (pong) sender proxy_recv proxy_send recv | | | | verdict -----+ | | | | | +----------------+ +------------+ Signed-off-by: John Fastabend <john.fastabend@gmail.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Link: https://lore.kernel.org/bpf/160239300387.8495.11908295143121563076.stgit@john-Precision-5820-Tower
2020-10-11bpf, sockmap: Allow skipping sk_skb parser programJohn Fastabend3-7/+95
Currently, we often run with a nop parser namely one that just does this, 'return skb->len'. This happens when either our verdict program can handle streaming data or it is only looking at socket data such as IP addresses and other metadata associated with the flow. The second case is common for a L3/L4 proxy for instance. So lets allow loading programs without the parser then we can skip the stream parser logic and avoid having to add a BPF program that is effectively a nop. Signed-off-by: John Fastabend <john.fastabend@gmail.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Link: https://lore.kernel.org/bpf/160239297866.8495.13345662302749219672.stgit@john-Precision-5820-Tower
2020-10-11bpf, sockmap: Check skb_verdict and skb_parser programs explicitlyJohn Fastabend1-7/+8
We are about to allow skb_verdict to run without skb_parser programs as a first step change code to check each program type specifically. This should be a mechanical change without any impact to actual result. Signed-off-by: John Fastabend <john.fastabend@gmail.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Link: https://lore.kernel.org/bpf/160239294756.8495.5796595770890272219.stgit@john-Precision-5820-Tower
2020-10-11bpf, sockmap: Add memory accounting so skbs on ingress lists are visibleJohn Fastabend1-16/+15
Move skb->sk assignment out of sk_psock_bpf_run() and into individual callers. Then we can use proper skb_set_owner_r() call to assign a sk to a skb. This improves things by also charging the truesize against the sockets sk_rmem_alloc counter. With this done we get some accounting in place to ensure the memory associated with skbs on the workqueue are still being accounted for somewhere. Finally, by using skb_set_owner_r the destructor is setup so we can just let the normal skb_kfree logic recover the memory. Combined with previous patch dropping skb_orphan() we now can recover from memory pressure and maintain accounting. Note, we will charge the skbs against their originating socket even if being redirected into another socket. Once the skb completes the redirect op the kfree_skb will give the memory back. This is important because if we charged the socket we are redirecting to (like it was done before this series) the sock_writeable() test could fail because of the skb trying to be sent is already charged against the socket. Also TLS case is special. Here we wait until we have decided not to simply PASS the packet up the stack. In the case where we PASS the packet up the stack we already have an skb which is accounted for on the TLS socket context. For the parser case we continue to just set/clear skb->sk this is because the skb being used here may be combined with other skbs or turned into multiple skbs depending on the parser logic. For example the parser could request a payload length greater than skb->len so that the strparser needs to collect multiple skbs. At any rate the final result will be handled in the strparser recv callback. Fixes: 604326b41a6fb ("bpf, sockmap: convert to generic sk_msg interface") Signed-off-by: John Fastabend <john.fastabend@gmail.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Link: https://lore.kernel.org/bpf/160226867513.5692.10579573214635925960.stgit@john-Precision-5820-Tower
2020-10-11bpf, sockmap: Remove skb_orphan and let normal skb_kfree do cleanupJohn Fastabend1-7/+7
Calling skb_orphan() is unnecessary in the strp rcv handler because the skb is from a skb_clone() in __strp_recv. So it never has a destructor or a sk assigned. Plus its confusing to read because it might hint to the reader that the skb could have an sk assigned which is not true. Even if we did have an sk assigned it would be cleaner to simply wait for the upcoming kfree_skb(). Additionally, move the comment about strparser clone up so its closer to the logic it is describing and add to it so that it is more complete. Fixes: 604326b41a6fb ("bpf, sockmap: convert to generic sk_msg interface") Signed-off-by: John Fastabend <john.fastabend@gmail.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Link: https://lore.kernel.org/bpf/160226865548.5692.9098315689984599579.stgit@john-Precision-5820-Tower
2020-10-11bpf, sockmap: Remove dropped data on errors in redirect caseJohn Fastabend1-14/+14
In the sk_skb redirect case we didn't handle the case where we overrun the sk_rmem_alloc entry on ingress redirect or sk_wmem_alloc on egress. Because we didn't have anything implemented we simply dropped the skb. This meant data could be dropped if socket memory accounting was in place. This fixes the above dropped data case by moving the memory checks later in the code where we actually do the send or recv. This pushes those checks into the workqueue and allows us to return an EAGAIN error which in turn allows us to try again later from the workqueue. Fixes: 51199405f9672 ("bpf: skb_verdict, support SK_PASS on RX BPF path") Signed-off-by: John Fastabend <john.fastabend@gmail.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Link: https://lore.kernel.org/bpf/160226863689.5692.13861422742592309285.stgit@john-Precision-5820-Tower
2020-10-11bpf, sockmap: Remove skb_set_owner_w wmem will be taken later from sendpageJohn Fastabend1-2/+0
The skb_set_owner_w is unnecessary here. The sendpage call will create a fresh skb and set the owner correctly from workqueue. Its also not entirely harmless because it consumes cycles, but also impacts resource accounting by increasing sk_wmem_alloc. This is charging the socket we are going to send to for the skb, but we will put it on the workqueue for some time before this happens so we are artifically inflating sk_wmem_alloc for this period. Further, we don't know how many skbs will be used to send the packet or how it will be broken up when sent over the new socket so charging it with one big sum is also not correct when the workqueue may break it up if facing memory pressure. Seeing we don't know how/when this is going to be sent drop the early accounting. A later patch will do proper accounting charged on receive socket for the case where skbs get enqueued on the workqueue. Fixes: 604326b41a6fb ("bpf, sockmap: convert to generic sk_msg interface") Signed-off-by: John Fastabend <john.fastabend@gmail.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Link: https://lore.kernel.org/bpf/160226861708.5692.17964237936462425136.stgit@john-Precision-5820-Tower
2020-10-11bpf, sockmap: On receive programs try to fast track SK_PASS ingressJohn Fastabend1-2/+15
When we receive an skb and the ingress skb verdict program returns SK_PASS we currently set the ingress flag and put it on the workqueue so it can be turned into a sk_msg and put on the sk_msg ingress queue. Then finally telling userspace with data_ready hook. Here we observe that if the workqueue is empty then we can try to convert into a sk_msg type and call data_ready directly without bouncing through a workqueue. Its a common pattern to have a recv verdict program for visibility that always returns SK_PASS. In this case unless there is an ENOMEM error or we overrun the socket we can avoid the workqueue completely only using it when we fall back to error cases caused by memory pressure. By doing this we eliminate another case where data may be dropped if errors occur on memory limits in workqueue. Fixes: 51199405f9672 ("bpf: skb_verdict, support SK_PASS on RX BPF path") Signed-off-by: John Fastabend <john.fastabend@gmail.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Link: https://lore.kernel.org/bpf/160226859704.5692.12929678876744977669.stgit@john-Precision-5820-Tower
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