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2022-08-31tcp: make global challenge ack rate limitation per net-ns and default disabledEric Dumazet1-1/+4
Because per host rate limiting has been proven problematic (side channel attacks can be based on it), per host rate limiting of challenge acks ideally should be per netns and turned off by default. This is a long due followup of following commits: 083ae308280d ("tcp: enable per-socket rate limiting of all 'challenge acks'") f2b2c582e824 ("tcp: mitigate ACK loops for connections as tcp_sock") 75ff39ccc1bd ("tcp: make challenge acks less predictable") Signed-off-by: Eric Dumazet <edumazet@google.com> Cc: Jason Baron <jbaron@akamai.com> Acked-by: Neal Cardwell <ncardwell@google.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-08-31Documentation: networking: correct possessive "its"Randy Dunlap5-5/+5
Change occurrences of "it's" that are possessive to "its" so that they don't read as "it is". Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Cc: Jonathan Corbet <corbet@lwn.net> Cc: Eric Dumazet <edumazet@google.com> Cc: Paolo Abeni <pabeni@redhat.com> Cc: Jiri Pirko <jiri@nvidia.com> Link: https://lore.kernel.org/r/20220829235414.17110-1-rdunlap@infradead.org Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-08-03docs: net: bonding: remove mentions of trans_startVladimir Oltean1-9/+0
ARP monitoring no longer depends on dev->last_rx or dev_trans_start(), so delete this information. Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-08-02doc: sfp-phylink: Fix a broken referenceChristophe JAILLET1-3/+3
The commit in Fixes: has changed a .txt file into a .yaml file. Update the documentation accordingly. While at it add some `` around some file names to improve the output. Fixes: 70991f1e6858 ("dt-bindings: net: convert sff,sfp to dtschema") Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> Link: https://lore.kernel.org/r/be3c7e87ca7f027703247eccfe000b8e34805094.1659247114.git.christophe.jaillet@wanadoo.fr Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-08-01Documentation: devlink: add add devlink-selftests to the table of contentsBagas Sanjaya1-0/+1
Commit 08f588fa301bef ("devlink: introduce framework for selftests") adds documentation for devlink selftests framework, but it is missing from table of contents. Add it. Link: https://lore.kernel.org/linux-doc/202207300406.CUBuyN5i-lkp@intel.com/ Fixes: 08f588fa301bef ("devlink: introduce framework for selftests") Reported-by: kernel test robot <lkp@intel.com> Signed-off-by: Bagas Sanjaya <bagasdotme@gmail.com> Link: https://lore.kernel.org/r/20220730022058.16813-1-bagasdotme@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-07-29Documentation: Describe net.ipv4.tcp_reflect_tos.Guillaume Nault1-0/+10
The tcp_reflect_tos option was introduced in Linux 5.10 but was still undocumented. Signed-off-by: Guillaume Nault <gnault@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-07-28devlink: introduce framework for selftestsVikas Gupta1-0/+38
Add a framework for running selftests. Framework exposes devlink commands and test suite(s) to the user to execute and query the supported tests by the driver. Below are new entries in devlink_nl_ops devlink_nl_cmd_selftests_show_doit/dumpit: To query the supported selftests by the drivers. devlink_nl_cmd_selftests_run: To execute selftests. Users can provide a test mask for executing group tests or standalone tests. Documentation/networking/devlink/ path is already part of MAINTAINERS & the new files come under this path. Hence no update needed to the MAINTAINERS Signed-off-by: Vikas Gupta <vikas.gupta@broadcom.com> Reviewed-by: Andy Gospodarek <gospo@broadcom.com> Reviewed-by: Jiri Pirko <jiri@nvidia.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-07-28Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netJakub Kicinski1-1/+8
No conflicts. Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-07-26mlxsw: core_linecards: Expose device PSID over device infoJiri Pirko1-0/+3
Use tunneled MGIR to obtain PSID of line card device and extend device_info_get() op to fill up the info with that. Example: $ devlink dev info auxiliary/mlxsw_core.lc.0 auxiliary/mlxsw_core.lc.0: versions: fixed: hw.revision 0 fw.psid MT_0000000749 running: ini.version 4 fw 19.2010.1312 Signed-off-by: Jiri Pirko <jiri@nvidia.com> Reviewed-by: Ido Schimmel <idosch@nvidia.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-07-26mlxsw: core_linecards: Probe active line cards for devices and expose FW versionJiri Pirko1-0/+3
In case the line card is active, go over all possible existing devices (gearboxes) on it and expose FW version of the flashable one. Example: $ devlink dev info auxiliary/mlxsw_core.lc.0 auxiliary/mlxsw_core.lc.0: versions: fixed: hw.revision 0 running: ini.version 4 fw 19.2010.1312 Signed-off-by: Jiri Pirko <jiri@nvidia.com> Reviewed-by: Ido Schimmel <idosch@nvidia.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-07-26mlxsw: core_linecards: Expose HW revision and INI versionJiri Pirko1-0/+18
Implement info_get() to expose HW revision of a linecard and loaded INI version. Example: $ devlink dev info auxiliary/mlxsw_core.lc.0 auxiliary/mlxsw_core.lc.0: versions: fixed: hw.revision 0 running: ini.version 4 Signed-off-by: Jiri Pirko <jiri@nvidia.com> Reviewed-by: Ido Schimmel <idosch@nvidia.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-07-24Documentation: fix sctp_wmem in ip-sysctl.rstXin Long1-1/+8
Since commit 1033990ac5b2 ("sctp: implement memory accounting on tx path"), SCTP has supported memory accounting on tx path where 'sctp_wmem' is used by sk_wmem_schedule(). So we should fix the description for this option in ip-sysctl.rst accordingly. v1->v2: - Improve the description as Marcelo suggested. Fixes: 1033990ac5b2 ("sctp: implement memory accounting on tx path") Signed-off-by: Xin Long <lucien.xin@gmail.com> Acked-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-07-22Merge branch '100GbE' of ↵Jakub Kicinski1-0/+9
git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/next-queue Tony Nguyen says: ==================== 100GbE Intel Wired LAN Driver Updates 2022-07-21 This series contains updates to ice driver only. Karol adds implementation for GNSS write; data is written to the GNSS module through TTY device using u-blox UBX protocol. * '100GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/next-queue: ice: add write functionality for GNSS TTY ice: add i2c write command ==================== Link: https://lore.kernel.org/r/20220721202842.3276257-1-anthony.l.nguyen@intel.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-07-21ice: add write functionality for GNSS TTYKarol Kolacinski1-0/+9
Add the possibility to write raw bytes to the GNSS module through the first TTY device. This allows user to configure the module. Create a second read-only TTY device. Signed-off-by: Karol Kolacinski <karol.kolacinski@intel.com> Tested-by: Gurucharan <gurucharanx.g@intel.com> (A Contingent worker at Intel) Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2022-07-21Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netJakub Kicinski2-65/+304
No conflicts. Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-07-19Documentation: fix udp_wmem_min in ip-sysctl.rstXin Long1-5/+1
UDP doesn't support tx memory accounting, and sysctl udp_wmem_min is not really used anywhere. So we should fix the description in ip-sysctl.rst accordingly. Fixes: 95766fff6b9a ("[UDP]: Add memory accounting.") Signed-off-by: Xin Long <lucien.xin@gmail.com> Link: https://lore.kernel.org/r/c880a963d9b1fb5f442ae3c9e4dfa70d45296a16.1658167019.git.lucien.xin@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-07-18docs: net: dsa: mention that VLANs are now refcounted on shared portsVladimir Oltean1-1/+7
The blamed commit updated the way in which VLANs are handled at the cross-chip notifier layer and didn't update the documentation to say that. Fix it. Fixes: 134ef2388e7f ("net: dsa: add explicit support for host bridge VLANs") Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-07-18docs: net: dsa: delete misinformation about -EOPNOTSUPP for FDB/MDB/VLANVladimir Oltean1-9/+3
Returning -EOPNOTSUPP does *NOT* mean anything special. port_vlan_add() is actually called from 2 code paths, one is vlan_vid_add() from 8021q module and the other is br_switchdev_port_vlan_add() from switchdev. The bridge has a wrapper __vlan_vid_add() which first tries via switchdev, then if that returns -EOPNOTSUPP, tries again via the VLAN RX filters in the 8021q module. But DSA doesn't distinguish between one call path and the other when calling the driver's port_vlan_add(), so if the driver returns -EOPNOTSUPP to switchdev, it also returns -EOPNOTSUPP to the 8021q module. And the latter is a hard error. port_fdb_add() is called from the deferred dsa_owq only, so obviously its return code isn't propagated anywhere, and cannot be interpreted in any way. The return code from port_mdb_add() is propagated to the bridge, but again, this doesn't do anything special when -EOPNOTSUPP is returned, but rather, br_switchdev_mdb_notify() returns void. Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-07-18docs: net: dsa: re-explain what port_fdb_dump actually doesVladimir Oltean1-3/+6
Switchdev has changed radically from its initial implementation, and the currently provided definition is incorrect and very confusing. Rewrite it in light of what it actually does. Fixes: 2bedde1abbef ("net: dsa: Move FDB dump implementation inside DSA") Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-07-18docs: net: dsa: add a section for address databasesVladimir Oltean1-6/+130
The given definition for what VID 0 represents in the current port_fdb_add and port_mdb_add is blatantly wrong. Delete it and explain the concepts surrounding DSA's understanding of FDB isolation. Fixes: c26933639b54 ("net: dsa: request drivers to perform FDB isolation") Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-07-18docs: net: dsa: delete port_mdb_dumpVladimir Oltean1-4/+0
This was deleted in 2017, stop documenting it. Fixes: dc0cbff3ff9f ("net: dsa: Remove redundant MDB dump support") Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-07-18docs: net: dsa: remove port_vlan_dumpVladimir Oltean1-4/+0
This was deleted in 2017, delete the obsolete documentation. Fixes: c069fcd82c57 ("net: dsa: Remove support for bypass bridge port attributes/vlan set") Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-07-18docs: net: dsa: remove port_bridge_tx_fwd_offloadVladimir Oltean1-16/+46
We've changed the API through which we can offload the bridge TX forwarding process. Update the documentation in light of the removal of 2 DSA switch ops. Fixes: b079922ba2ac ("net: dsa: add a "tx_fwd_offload" argument to ->port_bridge_join") Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-07-18docs: net: dsa: document port_fast_ageVladimir Oltean1-6/+8
The provided information about FDB flushing is not really up to date. The DSA core automatically calls port_fast_age() when necessary, and drivers should just implement that rather than hooking it to port_bridge_leave, port_stp_state_set and others. Fixes: 732f794c1baf ("net: dsa: add port fast ageing") Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-07-18docs: net: dsa: document port_setup and port_teardownVladimir Oltean1-0/+9
These methods were added without being documented, fix that. Fixes: fd292c189a97 ("net: dsa: tear down devlink port regions when tearing down the devlink port on error") Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-07-18docs: net: dsa: document the teardown methodVladimir Oltean1-1/+2
A teardown method was added to dsa_switch_ops without being documented. Do so now. Fixes: 5e3f847a02aa ("net: dsa: Add teardown callback for drivers") Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-07-18docs: net: dsa: document change_tag_protocolVladimir Oltean1-0/+6
Support for changing the tagging protocol was added without this operation being documented; do so now. Fixes: 53da0ebaad10 ("net: dsa: allow changing the tag protocol via the "tagging" device attribute") Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-07-18docs: net: dsa: add more info about the other arguments to get_tag_protocolVladimir Oltean1-1/+5
Changes were made to the prototype of get_tag_protocol without describing at a high level what they are about. Update the documentation to explain that. Fixes: 5ed4e3eb0217 ("net: dsa: Pass a port to get_tag_protocol()") Fixes: 4d776482ecc6 ("net: dsa: Get information about stacked DSA protocol") Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-07-18docs: net: dsa: rename tag_protocol to get_tag_protocolVladimir Oltean1-2/+2
Since the blamed commit, the enum was turned into a function pointer and also renamed. Update the documentation. Fixes: 7b314362a234 ("net: dsa: Allow the DSA driver to indicate the tag protocol") Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-07-18docs: net: dsa: document the shutdown behaviorVladimir Oltean1-0/+18
Document the changes that took place in the DSA core in the blamed commit. Fixes: 0650bf52b31f ("net: dsa: be compatible with masters which unregister on shutdown") Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-07-18docs: net: dsa: update probing documentationVladimir Oltean1-11/+65
Since the blamed commit we don't have register_switch_driver() and unregister_switch_driver() anymore. Additionally, the expected dsa_register_switch() and dsa_unregister_switch() calls aren't documented. Update the probing section with the details of how things are currently done. Fixes: 93e86b3bc842 ("net: dsa: Remove legacy probing support") Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-07-18net/smc: Introduce a sysctl for setting SMC-R buffer typeWen Gu1-0/+13
This patch introduces the sysctl smcr_buf_type for setting the type of SMC-R sndbufs and RMBs. Valid values includes: - SMCR_PHYS_CONT_BUFS, which means use physically contiguous buffers for better performance and is the default value. - SMCR_VIRT_CONT_BUFS, which means use virtually contiguous buffers in case of physically contiguous memory is scarce. - SMCR_MIXED_BUFS, which means first try to use physically contiguous buffers. If not available, then use virtually contiguous buffers. Signed-off-by: Wen Gu <guwen@linux.alibaba.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-07-15net: ipv6: new accept_untracked_na option to accept na only if in-networkJaehee Park1-21/+30
This patch adds a third knob, '2', which extends the accept_untracked_na option to learn a neighbor only if the src ip is in the same subnet as an address configured on the interface that received the neighbor advertisement. This is similar to the arp_accept configuration for ipv4. Signed-off-by: Jaehee Park <jhpark1013@gmail.com> Suggested-by: Roopa Prabhu <roopa@nvidia.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-07-15net: ipv4: new arp_accept option to accept garp only if in-networkJaehee Park1-3/+6
In many deployments, we want the option to not learn a neighbor from garp if the src ip is not in the same subnet as an address configured on the interface that received the garp message. net.ipv4.arp_accept sysctl is currently used to control creation of a neigh from a received garp packet. This patch adds a new option '2' to net.ipv4.arp_accept which extends option '1' by including the subnet check. Signed-off-by: Jaehee Park <jhpark1013@gmail.com> Suggested-by: Roopa Prabhu <roopa@nvidia.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-07-14Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netJakub Kicinski1-2/+2
include/net/sock.h 310731e2f161 ("net: Fix data-races around sysctl_mem.") e70f3c701276 ("Revert "net: set SK_MEM_QUANTUM to 4096"") https://lore.kernel.org/all/20220711120211.7c8b7cba@canb.auug.org.au/ net/ipv4/fib_semantics.c 747c14307214 ("ip: fix dflt addr selection for connected nexthop") d62607c3fe45 ("net: rename reference+tracking helpers") net/tls/tls.h include/net/tls.h 3d8c51b25a23 ("net/tls: Check for errors in tls_device_init") 587903142308 ("tls: create an internal header") Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-07-13ipv4: Fix data-races around sysctl_ip_dynaddr.Kuniyuki Iwashima1-1/+1
While reading sysctl_ip_dynaddr, it can be changed concurrently. Thus, we need to add READ_ONCE() to its readers. Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2") Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-07-11tls: rx: add counter for NoPad violationsJakub Kicinski1-0/+4
As discussed with Maxim add a counter for true NoPad violations. This should help deployments catch unexpected padded records vs just control records which always need re-encryption. https: //lore.kernel.org/all/b111828e6ac34baad9f4e783127eba8344ac252d.camel@nvidia.com/ Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-07-08cipso: Fix data-races around sysctl.Kuniyuki Iwashima1-1/+1
While reading cipso sysctl variables, they can be changed concurrently. So, we need to add READ_ONCE() to avoid data-races. Fixes: 446fda4f2682 ("[NetLabel]: CIPSOv4 engine") Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com> Acked-by: Paul Moore <paul@paul-moore.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-07-06tls: rx: add sockopt for enabling optimistic decrypt with TLS 1.3Jakub Kicinski1-0/+18
Since optimisitic decrypt may add extra load in case of retries require socket owner to explicitly opt-in. Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-07-05eth: remove neterion/vxgeJakub Kicinski2-116/+0
The last meaningful change to this driver was made by Jon in 2011. As much as we'd like to believe that this is because the code is perfect the chances are nobody is using this hardware. Because of the size of this driver there is a nontrivial maintenance cost to keeping this code around, in the last 2 years we're averaging more than 1 change a month. Some of which require nontrivial review effort, see commit 877fe9d49b74 ("Revert "drivers/net/ethernet/neterion/vxge: Fix a use-after-free bug in vxge-main.c"") for example. Let's try to remove this driver. In general, IMHO, we need to establish a clear path for shedding dead code. It will be hard to unless we have some experience trying to delete stuff. Link: https://lore.kernel.org/r/20220701044234.706229-1-kuba@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-07-03Merge tag 'linux-can-next-for-5.20-20220703' of ↵David S. Miller2-0/+332
git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can-next Marc Kleine-Budde says: ==================== pull-request: can-next 2022-07-03 this is a pull request of 15 patches for net-next/master. The first 2 patches are by Max Staudt and add the can327 serial CAN driver along with a new line discipline ID. The next patch is by me an fixes a typo in the ctucanfd driver. The last 12 patches are by Dario Binacchi and integrate slcan CAN serial driver better into the existing CAN driver API. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2022-06-30net, neigh: introduce interval_probe_time_ms for periodic probeYuwei Wang1-0/+6
commit ed6cd6a17896 ("net, neigh: Set lower cap for neigh_managed_work rearming") fixed a case when DELAY_PROBE_TIME is configured to 0, the processing of the system work queue hog CPU to 100%, and further more we should introduce a new option used by periodic probe Signed-off-by: Yuwei Wang <wangyuweihx@gmail.com> Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2022-06-29net: txgbe: Add build support for txgbeJiawen Wu2-0/+21
Add doc build infrastructure for txgbe driver. Initialize PCI memory space for WangXun 10 Gigabit Ethernet devices. Signed-off-by: Jiawen Wu <jiawenwu@trustnetic.com> Link: https://lore.kernel.org/r/20220628095530.889344-1-jiawenwu@trustnetic.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-06-27can: can327: CAN/ldisc driver for ELM327 based OBD-II adaptersMax Staudt2-0/+332
This is the can327 driver. It does a surprisingly good job at turning ELM327 based OBD-II interfaces into cheap CAN interfaces for simple homebrew projects. Please see the included documentation for details and limitations: Documentation/networking/device_drivers/can/can327.rst Link: https://lore.kernel.org/all/20220618195031.10975-1-max@enpas.org Signed-off-by: Max Staudt <max@enpas.org> Reviewed-by: Vincent Mailhol <mailhol.vincent@wanadoo.fr> [mkl: minor coding style improvements] Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2022-06-27Merge tag 'linux-can-next-for-5.20-20220625' of ↵David S. Miller1-1/+1
git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can-next Marc Kleine-Budde says: ==================== pull-request: can-next 2022-06-25 this is a pull request of 22 patches for net-next/master. The first 2 patches target the xilinx driver. Srinivas Neeli's patch adds Transmitter Delay Compensation (TDC) support, a patch by me fixes a typo. The next patch is by me and fixes a typo in the m_can driver. Another patch by me allows the configuration of fixed bit rates without need for do_set_bittiming callback. The following 7 patches are by Vincent Mailhol and refactor the can-dev module and Kbuild, de-inline the can_dropped_invalid_skb() function, which has grown over the time, and drop outgoing skbs if the controller is in listen only mode. Max Staudt's patch fixes a reference in the networking/can.rst documentation. Vincent Mailhol provides 2 patches with cleanups for the etas_es58x driver. Conor Dooley adds bindings for the mpfs-can to the PolarFire SoC dtsi. Another patch by me allows the configuration of fixed data bit rates without need for do_set_data_bittiming callback. The last 5 patches are by Frank Jungclaus. They prepare the esd_usb driver to add support for the the CAN-USB/3 device in a later series. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2022-06-24Bonding: add per-port priority for failover re-selectionHangbin Liu1-0/+11
Add per port priority support for bonding active slave re-selection during failover. A higher number means higher priority in selection. The primary slave still has the highest priority. This option also follows the primary_reselect rules. This option could only be configured via netlink. Signed-off-by: Hangbin Liu <liuhangbin@gmail.com> Acked-by: Jonathan Toppins <jtoppins@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-06-16Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netJakub Kicinski2-1/+38
No conflicts. Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-06-14docs: tls: document the TLS_TX_ZEROCOPY_ROJakub Kicinski1-0/+25
Add missing documentation for the TLS_TX_ZEROCOPY_RO opt-in. Signed-off-by: Jakub Kicinski <kuba@kernel.org> Acked-by: Maxim Mikityanskiy <maximmi@nvidia.com> Link: https://lore.kernel.org/r/20220610180212.110590-1-kuba@kernel.org Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2022-06-13docs: networking: phy: Fix a typoJonathan Neuschäfer1-1/+1
Write "to be operated" instead of "to be operate". Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Link: https://lore.kernel.org/r/20220610072809.352962-1-j.neuschaefer@gmx.net Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-06-11can: Break loopback loop on loopback documentationMax Staudt1-1/+1
There are two sections called "Local Loopback of Sent Frames". One was meant to link to the other, but pointed at itself instead. Link: https://lore.kernel.org/all/20220611171155.9090-1-max@enpas.org Fixes: 7d5977394515 ("can: migrate documentation to restructured text") Signed-off-by: Max Staudt <max@enpas.org> Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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