- 05 Jun, 2023 1 commit
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Maxime Chevallier authored
There exists several examples today of devices that embed an ethernet PHY or PCS directly inside an SoC. In this situation, either the device is controlled through a vendor-specific register set, or sometimes exposes the standard 802.3 registers that are typically accessed over MDIO. As phylib and phylink are designed to use mdiodevices, this driver allows creating a virtual MDIO bus, that translates mdiodev register accesses to regmap accesses. The reason we use regmap is because there are at least 3 such devices known today, 2 of them are Altera TSE PCS's, memory-mapped, exposed with a 4-byte stride in stmmac's dwmac-socfpga variant, and a 2-byte stride in altera-tse. The other one (nxp,sja1110-base-tx-mdio) is exposed over SPI. Signed-off-by:
Maxime Chevallier <maxime.chevallier@bootlin.com> Reviewed-by:
Simon Horman <simon.horman@corigine.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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- 04 Jun, 2023 1 commit
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Matthieu Baerts authored
This following message is printed in the console each time a network device configured with an IPv6 addresses is ready to be used: ADDRCONF(NETDEV_CHANGE): <iface>: link becomes ready When netns are being extensively used -- e.g. by re-creating netns' with veth to discuss with each others for testing purposes like mptcp_join.sh selftest does -- it generates a lot of messages like that: more than 700 when executing mptcp_join.sh with the latest version. It looks like this message is not that helpful after all: maybe it can be used as a sign to know if there is something wrong, e.g. if a device is being regularly reconfigured by accident? But even then, there are better ways to monitor and diagnose such issues. When looking at commit 3c21edbd ("[IPV6]: Defer IPv6 device initialization until the link becomes ready.") which introduces this new message, it seems it had been added to verify that the new feature was working as expected. It could have then used a lower level than "info" from the beginning but it was fine like that back then: 17 years ago. It seems then OK today to simply lower its level, similar to commit 7c62b8dd ("net/ipv6: lower the level of "link is not ready" messages") and as suggested by Mat [1], Stephen and David [2]. Link: https://lore.kernel.org/mptcp/614e76ac-184e-c553-af72-084f792e60b0@kernel.org/T/ [1] Link: https://lore.kernel.org/netdev/68035bad-b53e-91cb-0e4a-007f27d62b05@tessares.net/T/ [2] Suggested-by:
Mat Martineau <martineau@kernel.org> Suggested-by:
Stephen Hemminger <stephen@networkplumber.org> Suggested-by:
David Ahern <dsahern@kernel.org> Signed-off-by:
Matthieu Baerts <matthieu.baerts@tessares.net> Reviewed-by:
Eric Dumazet <edumazet@google.com> Signed-off-by:
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- 03 Jun, 2023 12 commits
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Russell King (Oracle) authored
Dan Carpenter reported a signedness bug in genphy_loopback(). Andrew reports that: "It is common to get this wrong in general with PHY drivers. Dan regularly posts fixes like this soon after a PHY driver patch it merged. I really wish we could somehow get the compiler to warn when the result from phy_read() is stored into a unsigned type. It would save Dan a lot of work." Let's make phy_read*_poll_timeout() immune to further issues when "val" is an unsigned type by storing the read function's result in a signed int as well as "val", and using the signed variable both to check for an error and for propagating that error to the caller. The advantage of this method is we don't change where the cast from the signed return code to the user's variable occurs - so users will see no change. Previously Heiner changed phy_read_poll_timeout() to check for an error before evaluating the user supplied condition, but didn't update phy_read_mmd_poll_timeout(). Make that change there too. Link: https://lore.kernel.org/r/d7bb312e-2428-45f6-b9b3-59ba544e8b94@kili.mountainSigned-off-by:
Russell King (Oracle) <rmk+kernel@armlinux.org.uk> Link: https://lore.kernel.org/r/E1q4kX6-00BNuM-Mx@rmk-PC.armlinux.org.ukSigned-off-by:
Jakub Kicinski <kuba@kernel.org>
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Jakub Kicinski authored
Jakub Kicinski says: ==================== tools: ynl-gen: dust off the user space code Every now and then I wish I finished the user space part of the netlink specs, Python scripts kind of stole the show but C is useful for selftests and stuff which needs to be fast. Recently someone asked me how to access devlink and ethtool from C++ which pushed me over the edge. Fix things which bit rotted and finish notification handling. This series contains code gen changes only. I'll follow up with the fixed component, samples and docs as soon as it's merged. ==================== Link: https://lore.kernel.org/r/20230602023548.463441-1-kuba@kernel.orgSigned-off-by:
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Jakub Kicinski authored
Notifications may come in at any time. The family must be always ready to parse a random incoming notification. Generate notification table for parsing and tell YNL which request we're processing to distinguish responses from notifications. Signed-off-by: -
Jakub Kicinski authored
We'll want to store static info about the family soon. Generate a struct. This changes creation from, e.g.: ys = ynl_sock_create("netdev", &yerr); to: ys = ynl_sock_create(&ynl_netdev_family, &yerr); on user's side. Signed-off-by: -
Jakub Kicinski authored
We expect user to allocate requests with calloc(), make things a bit more consistent and provide helpers. Generate free calls, too. Signed-off-by: -
Jakub Kicinski authored
We generate send() and recv() calls and all msg handling for each operation. It's a lot of repeated code and will only grow with notification handling. Call back to a helper YNL lib instead. Signed-off-by: -
Jakub Kicinski authored
It's sometimes useful to print the name of an enum value, flag or name of the op. Python can do it, add C helper code gen for getting names of things. Example: static const char * const netdev_xdp_act_strmap[] = { [0] = "basic", [1] = "redirect", [2] = "ndo-xmit", [3] = "xsk-zerocopy", [4] = "hw-offload", [5] = "rx-sg", [6] = "ndo-xmit-sg", }; const char *netdev_xdp_act_str(enum netdev_xdp_act value) { value = ffs(value) - 1; if (value < 0 || value >= (int)MNL_ARRAY_SIZE(netdev_xdp_act_strmap)) return NULL; return netdev_xdp_act_strmap[value]; } Signed-off-by: -
Jakub Kicinski authored
Parsing nested types may return an error, propagate it. Not marking as a fix, because nothing uses YNL upstream. Signed-off-by: -
Jakub Kicinski authored
Both event and notify types are always consistent. Rewrite the condition checking if we can reuse reply types to be less picky and let notify thru. Signed-off-by: -
Jakub Kicinski authored
For pure structs (parsed nested attributes) we track what forms of the struct exist in request and reply directions. Make sure we don't overwrite the recorded struct each time, otherwise the information is lost. Signed-off-by: -
Jakub Kicinski authored
Unused and Pad attributes don't carry information. Unused should never exist, and be rejected. Pad should be silently skipped. Signed-off-by: -
Jakub Kicinski authored
Make sure all relevant headers are included, we allocate memory, use memcpy() and Linux types without including the headers. Signed-off-by:
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- 02 Jun, 2023 11 commits
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Guillaume Nault authored
Callers of flowi4_update_output() never try to update ->flowi4_tos: * ip_route_connect() updates ->flowi4_tos with its own current value. * ip_route_newports() has two users: tcp_v4_connect() and dccp_v4_connect. Both initialise fl4 with ip_route_connect(), which in turn sets ->flowi4_tos with RT_TOS(inet_sk(sk)->tos) and ->flowi4_scope based on SOCK_LOCALROUTE. Then ip_route_newports() updates ->flowi4_tos with RT_CONN_FLAGS(sk), which is the same as RT_TOS(inet_sk(sk)->tos), unless SOCK_LOCALROUTE is set on the socket. In that case, the lowest order bit is set to 1, to eventually inform ip_route_output_key_hash() to restrict the scope to RT_SCOPE_LINK. This is equivalent to properly setting ->flowi4_scope as ip_route_connect() did. * ip_vs_xmit.c initialises ->flowi4_tos with memset(0), then calls flowi4_update_output() with tos=0. * sctp_v4_get_dst() uses the same RT_CONN_FLAGS_TOS() when initialising ->flowi4_tos and when calling flowi4_update_output(). In the end, ->flowi4_tos never changes. So let's just drop the tos parameter. This will simplify the conversion of ->flowi4_tos from __u8 to dscp_t. Signed-off-by:Guillaume Nault <gnault@redhat.com> Signed-off-by:
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Moritz Fischer authored
The gotos for cleanup aren't required, the function might as well just return the actual error code. Signed-off-by:
Moritz Fischer <moritzf@google.com> Reviewed-by:
Siddharth Vadapalli <s-vadapalli@ti.com> Signed-off-by:
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Jiapeng Chong authored
No functional modification involved. net/ipv4/ip_gre.c:192 ipgre_err() warn: inconsistent indenting. Reported-by:
Abaci Robot <abaci@linux.alibaba.com> Closes: https://bugzilla.openanolis.cn/show_bug.cgi?id=5375Signed-off-by:
Jiapeng Chong <jiapeng.chong@linux.alibaba.com> Signed-off-by:
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Jakub Kicinski authored
Make sure we don't generate premature POLLIN events. Signed-off-by:
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Jakub Kicinski authored
TLS does not override .poll() so TLS-enabled socket will generate an event whenever data arrives at the TCP socket. This leads to unnecessary wakeups on slow connections. Signed-off-by:
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Zhengchao Shao authored
The test case shown in [1] triggers the kernel to access the null pointer. Therefore, add related test cases to mq. The test results are as follows: ./tdc.py -e 0531 1..1 ok 1 0531 - Replace mq with invalid parent ID ./tdc.py -c mq 1..8 ok 1 ce7d - Add mq Qdisc to multi-queue device (4 queues) ok 2 2f82 - Add mq Qdisc to multi-queue device (256 queues) ok 3 c525 - Add duplicate mq Qdisc ok 4 128a - Delete nonexistent mq Qdisc ok 5 03a9 - Delete mq Qdisc twice ok 6 be0f - Add mq Qdisc to single-queue device ok 7 1023 - Show mq class ok 8 0531 - Replace mq with invalid parent ID [1] https://lore.kernel.org/all/20230527093747.3583502-1-shaozhengchao@huawei.com/Signed-off-by:
Zhengchao Shao <shaozhengchao@huawei.com> Reviewed-by:
Pedro Tammela <pctammela@mojatatu.com> Link: https://lore.kernel.org/r/20230601012250.52738-1-shaozhengchao@huawei.comSigned-off-by:
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Florian Fainelli authored
Add the ability to read the PHY maintained LPI counter which is in the Clause 45 vendor space, device address 7, offset 0x803F. The counter is cleared on read. Signed-off-by:
Florian Fainelli <florian.fainelli@broadcom.com> Reviewed-by:
Andrew Lunn <andrew@lunn.ch> Link: https://lore.kernel.org/r/20230531231729.1873932-1-florian.fainelli@broadcom.comSigned-off-by:
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Heiner Kallweit authored
In addition to properly handling probe deferrals dev_err_probe() conveniently combines printing an error message with returning the errno. So let's use it for every error path in rtl_init_one() to simplify the code. Signed-off-by:
Heiner Kallweit <hkallweit1@gmail.com> Reviewed-by:
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Jakub Kicinski authored
Oleksij Rempel says: ==================== Extend dt-bindings for PSE-PD controllers and update prtt1c dts This patch set comes in response to issues identified while adding PoDL PSE support to the stm32 prtt1c device tree. The existing pse-pd device tree bindings did not allow node name patterns like "ethernet-pse-0" and "ethernet-pse-1", leading to validation failures. To address these false positives in validation, the device tree bindings are extended to support these node name patterns. Alongside this, an example node is added to aid in the improved validation process. ==================== Link: https://lore.kernel.org/r/20230531102113.3353065-1-o.rempel@pengutronix.deSigned-off-by:
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Oleksij Rempel authored
Extend the pattern matching for PSE-PD controller nodes to allow -N suffixes. This enables the use of multiple "ethernet-pse" nodes without the need for a "reg" property. Signed-off-by:
Oleksij Rempel <o.rempel@pengutronix.de> Reviewed-by:
Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Signed-off-by:
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Jiri Pirko authored
In the offending fixes commit I mistakenly removed the reply message of the port new command. I was under impression it is a new port notification, partly due to the "notify" in the name of the helper function. Bring the code sending reply with new port message back, this time putting it directly to devlink_nl_cmd_port_new_doit() Fixes: c496daeb ("devlink: remove duplicate port notification") Signed-off-by:
Jiri Pirko <jiri@nvidia.com> Reviewed-by:
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- 01 Jun, 2023 15 commits
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git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netJakub Kicinski authored
Cross-merge networking fixes after downstream PR. No conflicts. Adjacent changes: drivers/net/ethernet/sfc/tc.c 622ab656 ("sfc: fix error unwinds in TC offload") b6583d5e ("sfc: support TC decap rules matching on enc_src_port") net/mptcp/protocol.c 5b825727 ("mptcp: add annotations around msk->subflow accesses") e76c8ef5 ("mptcp: refactor mptcp_stream_accept()") Signed-off-by:
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git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netLinus Torvalds authored
Pull networking fixes from Jakub Kicinski: "Happy Wear a Dress Day. Fairly standard-sized batch of fixes, accounting for the lack of sub-tree submissions this week. The mlx5 IRQ fixes are notable, people were complaining about that. No fires burning. Current release - regressions: - eth: mlx5e: - multiple fixes for dynamic IRQ allocation - prevent encap offload when neigh update is running - eth: mana: fix perf regression: remove rx_cqes, tx_cqes counters Current release - new code bugs: - eth: mlx5e: DR, add missing mutex init/destroy in pattern manager Previous releases - always broken: - tcp: deny tcp_disconnect() when threads are waiting - sched: prevent ingress Qdiscs from getting installed in random locations in the hierarchy and moving around - sched: flower: fix possible OOB write in fl_set_geneve_opt() - netlink: fix NETLINK_LIST_MEMBERSHIPS length report - udp6: fix race condition in udp6_sendmsg & connect - tcp: fix mishandling when the sack compression is deferred - rtnetlink: validate link attributes set at creation time - mptcp: fix connect timeout handling - eth: stmmac: fix call trace when stmmac_xdp_xmit() is invoked - eth: amd-xgbe: fix the false linkup in xgbe_phy_status - eth: mlx5e: - fix corner cases in internal buffer configuration - drain health before unregistering devlink - usb: qmi_wwan: set DTR quirk for BroadMobi BM818 Misc: - tcp: return user_mss for TCP_MAXSEG in CLOSE/LISTEN state if user_mss set" * tag 'net-6.4-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (71 commits) mptcp: fix active subflow finalization mptcp: add annotations around sk->sk_shutdown accesses mptcp: fix data race around msk->first access mptcp: consolidate passive msk socket initialization mptcp: add annotations around msk->subflow accesses mptcp: fix connect timeout handling rtnetlink: add the missing IFLA_GRO_ tb check in validate_linkmsg rtnetlink: move IFLA_GSO_ tb check to validate_linkmsg rtnetlink: call validate_linkmsg in rtnl_create_link ice: recycle/free all of the fragments from multi-buffer frame net: phy: mxl-gpy: extend interrupt fix to all impacted variants net: renesas: rswitch: Fix return value in error path of xmit net: dsa: mv88e6xxx: Increase wait after reset deactivation net: ipa: Use correct value for IPA_STATUS_SIZE tcp: fix mishandling when the sack compression is deferred. net/sched: flower: fix possible OOB write in fl_set_geneve_opt() sfc: fix error unwinds in TC offload net/mlx5: Read embedded cpu after init bit cleared net/mlx5e: Fix error handling in mlx5e_refresh_tirs net/mlx5: Ensure af_desc.mask is properly initialized ... -
Mike Christie authored
When switching from kthreads to vhost_tasks two bugs were added: 1. The vhost worker tasks's now show up as processes so scripts doing ps or ps a would not incorrectly detect the vhost task as another process. 2. kthreads disabled freeze by setting PF_NOFREEZE, but vhost tasks's didn't disable or add support for them. To fix both bugs, this switches the vhost task to be thread in the process that does the VHOST_SET_OWNER ioctl, and has vhost_worker call get_signal to support SIGKILL/SIGSTOP and freeze signals. Note that SIGKILL/STOP support is required because CLONE_THREAD requires CLONE_SIGHAND which requires those 2 signals to be supported. This is a modified version of the patch written by Mike Christie <michael.christie@oracle.com> which was a modified version of patch originally written by Linus. Much of what depended upon PF_IO_WORKER now depends on PF_USER_WORKER. Including ignoring signals, setting up the register state, and having get_signal return instead of calling do_group_exit. Tidied up the vhost_task abstraction so that the definition of vhost_task only needs to be visible inside of vhost_task.c. Making it easier to review the code and tell what needs to be done where. As part of this the main loop has been moved from vhost_worker into vhost_task_fn. vhost_worker now returns true if work was done. The main loop has been updated to call get_signal which handles SIGSTOP, freezing, and collects the message that tells the thread to exit as part of process exit. This collection clears __fatal_signal_pending. This collection is not guaranteed to clear signal_pending() so clear that explicitly so the schedule() sleeps. For now the vhost thread continues to exist and run work until the last file descriptor is closed and the release function is called as part of freeing struct file. To avoid hangs in the coredump rendezvous and when killing threads in a multi-threaded exec. The coredump code and de_thread have been modified to ignore vhost threads. Remvoing the special case for exec appears to require teaching vhost_dev_flush how to directly complete transactions in case the vhost thread is no longer running. Removing the special case for coredump rendezvous requires either the above fix needed for exec or moving the coredump rendezvous into get_signal. Fixes: 6e890c5d ("vhost: use vhost_tasks for worker threads") Signed-off-by:
Eric W. Biederman <ebiederm@xmission.com> Co-developed-by:
Mike Christie <michael.christie@oracle.com> Signed-off-by:
Michael S. Tsirkin <mst@redhat.com> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linuxJakub Kicinski authored
Saeed Mahameed says: ==================== mlx5 fixes 2023-05-31 This series provides bug fixes to mlx5 driver. * tag 'mlx5-fixes-2023-05-31' of git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux: net/mlx5: Read embedded cpu after init bit cleared net/mlx5e: Fix error handling in mlx5e_refresh_tirs net/mlx5: Ensure af_desc.mask is properly initialized net/mlx5: Fix setting of irq->map.index for static IRQ case net/mlx5: Remove rmap also in case dynamic MSIX not supported ==================== Link: https://lore.kernel.org/r/20230601031051.131529-1-saeed@kernel.orgSigned-off-by:
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Jakub Kicinski authored
Mat Martineau says: ==================== mptcp: Fixes for connect timeout, access annotations, and subflow init Patch 1 allows the SO_SNDTIMEO sockopt to correctly change the connect timeout on MPTCP sockets. Patches 2-5 add READ_ONCE()/WRITE_ONCE() annotations to fix KCSAN issues. Patch 6 correctly initializes some subflow fields on outgoing connections. ==================== Link: https://lore.kernel.org/r/20230531-send-net-20230531-v1-0-47750c420571@kernel.orgSigned-off-by:
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Paolo Abeni authored
Active subflow are inserted into the connection list at creation time. When the MPJ handshake completes successfully, a new subflow creation netlink event is generated correctly, but the current code wrongly avoid initializing a couple of subflow data. The above will cause misbehavior on a few exceptional events: unneeded mptcp-level retransmission on msk-level sequence wrap-around and infinite mapping fallback even when a MPJ socket is present. Address the issue factoring out the needed initialization in a new helper and invoking the latter from __mptcp_finish_join() time for passive subflow and from mptcp_finish_join() for active ones. Fixes: 0530020a ("mptcp: track and update contiguous data status") Cc: stable@vger.kernel.org Reviewed-by:
Paolo Abeni <pabeni@redhat.com> Signed-off-by:
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Paolo Abeni authored
Christoph reported the mptcp variant of a recently addressed plain TCP issue. Similar to commit e14cadfd ("tcp: add annotations around sk->sk_shutdown accesses") add READ/WRITE ONCE annotations to silence KCSAN reports around lockless sk_shutdown access. Fixes: 71ba088c ("mptcp: cleanup accept and poll") Reported-by:
Christoph Paasch <cpaasch@apple.com> Closes: https://github.com/multipath-tcp/mptcp_net-next/issues/401Reviewed-by:
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Paolo Abeni authored
The first subflow socket is accessed outside the msk socket lock by mptcp_subflow_fail(), we need to annotate each write access with WRITE_ONCE, but a few spots still lacks it. Fixes: 76a13b31 ("mptcp: invoke MP_FAIL response when needed") Reviewed-by:
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Paolo Abeni authored
When the msk socket is cloned at MPC handshake time, a few fields are initialized in a racy way outside mptcp_sk_clone() and the msk socket lock. The above is due historical reasons: before commit a88d0092 ("mptcp: simplify subflow_syn_recv_sock()") as the first subflow socket carrying all the needed date was not available yet at msk creation time We can now refactor the code moving the missing initialization bit under the socket lock, removing the init race and avoiding some code duplication. This will also simplify the next patch, as all msk->first write access are now under the msk socket lock. Fixes: 0397c6d8 ("mptcp: keep unaccepted MPC subflow into join list") Reviewed-by:
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Paolo Abeni authored
The MPTCP can access the first subflow socket in a few spots outside the socket lock scope. That is actually safe, as MPTCP will delete the socket itself only after the msk sock close(). Still the such accesses causes a few KCSAN splats, as reported by Christoph. Silence the harmless warning adding a few annotation around the relevant accesses. Fixes: 71ba088c ("mptcp: cleanup accept and poll") Reported-by:
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Paolo Abeni authored
Ondrej reported a functional issue WRT timeout handling on connect with a nice reproducer. The problem is that the current mptcp connect waits for both the MPTCP socket level timeout, and the first subflow socket timeout. The latter is not influenced/touched by the exposed setsockopt(). Overall the above makes the SO_SNDTIMEO a no-op on connect. Since mptcp_connect is invoked via inet_stream_connect and the latter properly handle the MPTCP level timeout, we can address the issue making the nested subflow level connect always unblocking. This also allow simplifying a bit the code, dropping an ugly hack to handle the fastopen and custom proto_ops connect. The issues predates the blamed commit below, but the current resolution requires the infrastructure introduced there. Fixes: 54f1944e ("mptcp: factor out mptcp_connect()") Reported-by:
Ondrej Mosnacek <omosnace@redhat.com> Closes: https://github.com/multipath-tcp/mptcp_net-next/issues/399 Cc: stable@vger.kernel.org Reviewed-by:
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Jakub Kicinski authored
Xin Long says: ==================== rtnetlink: a couple of fixes in linkmsg validation validate_linkmsg() was introduced to do linkmsg validation for existing links. However, the new created links also need this linkmsg validation. Add validate_linkmsg() check for link creating in Patch 1, and add more tb checks into validate_linkmsg() in Patch 2 and 3. ==================== Link: https://lore.kernel.org/r/cover.1685548598.git.lucien.xin@gmail.comSigned-off-by:
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Xin Long authored
This fixes the issue that dev gro_max_size and gso_ipv4_max_size can be set to a huge value: # ip link add dummy1 type dummy # ip link set dummy1 gro_max_size 4294967295 # ip -d link show dummy1 dummy addrgenmode eui64 ... gro_max_size 4294967295 Fixes: 0fe79f28 ("net: allow gro_max_size to exceed 65536") Fixes: 9eefedd5 ("net: add gso_ipv4_max_size and gro_ipv4_max_size per device") Reported-by:Xiumei Mu <xmu@redhat.com> Signed-off-by:
Xin Long <lucien.xin@gmail.com> Reviewed-by:
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Xin Long authored
These IFLA_GSO_* tb check should also be done for the new created link, otherwise, they can be set to a huge value when creating links: # ip link add dummy1 gso_max_size 4294967295 type dummy # ip -d link show dummy1 dummy addrgenmode eui64 ... gso_max_size 4294967295 Fixes: 46e6b992 ("rtnetlink: allow GSO maximums to be set on device creation") Fixes: 9eefedd5 ("net: add gso_ipv4_max_size and gro_ipv4_max_size per device") Signed-off-by: -
Xin Long authored
validate_linkmsg() was introduced by commit 1840bb13 ("[RTNL]: Validate hardware and broadcast address attribute for RTM_NEWLINK") to validate tb[IFLA_ADDRESS/BROADCAST] for existing links. The same check should also be done for newly created links. This patch adds validate_linkmsg() call in rtnl_create_link(), to avoid the invalid address set when creating some devices like: # ip link add dummy0 type dummy # ip link add link dummy0 name mac0 address 01:02 type macsec Fixes: 0e06877c ("[RTNETLINK]: rtnl_link: allow specifying initial device address") Signed-off-by:
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