- 08 Mar, 2024 39 commits
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Eric Dumazet authored
netdev_budget and netdev_budget are used in rx path (net_rx_action()) Move them into net_hotdata for better cache locality. Signed-off-by:
Eric Dumazet <edumazet@google.com> Acked-by:
Soheil Hassas Yeganeh <soheil@google.com> Reviewed-by:
David Ahern <dsahern@kernel.org> Link: https://lore.kernel.org/r/20240306160031.874438-3-edumazet@google.comSigned-off-by:
Jakub Kicinski <kuba@kernel.org>
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Eric Dumazet authored
Instead of spreading networking critical fields all over the places, add a custom net_hotdata structure so that we can precisely control its layout. In this first patch, move : - gro_normal_batch used in rx (GRO stack) - offload_base used in rx and tx (GRO and TSO stacks) Signed-off-by:
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Jakub Kicinski authored
Matthieu Baerts says: ==================== selftests: mptcp: share code and fix shellcheck warnings This series cleans MPTCP selftests code. Patch 1 stops using 'iptables-legacy' if available, but uses 'iptables', which is likely 'iptables-nft' behind. Patches 2, 4 and 6 move duplicated code to mptcp_lib.sh. Patch 3 is a preparation for patch 4, and patch 5 adds generic actions at the creation and deletion of netns. Patches 7 to 11 disable a few shellcheck warnings, and fix the rest, so it is easy to spot real issues later. MPTCP CI is checking that now. Patch 12 avoids redoing some actions at init time twice, e.g. restarting the pm events tool. v1: https://lore.kernel.org/r/20240305-upstream-net-next-20240304-selftests-mptcp-shared-code-shellcheck-v1-0-66618ea5504e@kernel.org ==================== Link: https://lore.kernel.org/r/20240306-upstream-net-next-20240304-selftests-mptcp-shared-code-shellcheck-v2-0-bc79e6e5e6a0@kernel.orgSigned-off-by:
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Matthieu Baerts (NGI0) authored
'make_connection' is launched twice: once for IPv4, once for IPv6. But then, the "pm_nl_ctl events" was launched a first time, killed, then relaunched after for no particular reason. We can then move this code, and the generation of the temp file to exchange, to the init part, and remove extra conditions that no longer needed. Reviewed-by:
Mat Martineau <martineau@kernel.org> Signed-off-by:
Matthieu Baerts (NGI0) <matttbe@kernel.org> Link: https://lore.kernel.org/r/20240306-upstream-net-next-20240304-selftests-mptcp-shared-code-shellcheck-v2-12-bc79e6e5e6a0@kernel.orgSigned-off-by:
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Matthieu Baerts (NGI0) authored
shellcheck recently helped to prevent issues. It is then good to fix the other harmless issues in order to spot "real" ones later. Here, two categories of warnings are now ignored: - SC2317: Command appears to be unreachable. The cleanup() function is invoked indirectly via the EXIT trap. - SC2086: Double quote to prevent globbing and word splitting. This is recommended, but the current usage is correct and there is no need to do all these modifications to be compliant with this rule. For the modifications: - SC2034: ksft_skip appears unused. - SC2004: $/${} is unnecessary on arithmetic variables. Now this script is shellcheck (0.9.0) compliant. We can easily spot new issues. Reviewed-by: -
Matthieu Baerts (NGI0) authored
shellcheck recently helped to prevent issues. It is then good to fix the other harmless issues in order to spot "real" ones later. Here, two categories of warnings are now ignored: - SC2317: Command appears to be unreachable. The cleanup() function is invoked indirectly via the EXIT trap. - SC2086: Double quote to prevent globbing and word splitting. This is recommended, but the current usage is correct and there is no need to do all these modifications to be compliant with this rule. For the modifications: - SC2034: ksft_skip appears unused. - SC2154: optstring is referenced but not assigned. - SC2006: Use $(...) notation instead of legacy backticks `...`. Now this script is shellcheck (0.9.0) compliant. We can easily spot new issues. Reviewed-by:
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Matthieu Baerts (NGI0) authored
shellcheck recently helped to prevent issues. It is then good to fix the other harmless issues in order to spot "real" ones later. Here, two categories of warnings are now ignored: - SC2317: Command appears to be unreachable. The cleanup() function is invoked indirectly via the EXIT trap. - SC2086: Double quote to prevent globbing and word splitting. This is recommended, but the current usage is correct and there is no need to do all these modifications to be compliant with this rule. For the modifications: - SC2034: ksft_skip appears unused. - SC2006: Use $(...) notation instead of legacy backticks `...`. - SC2145: Argument mixes string and array. Use * or separate argument. Now this script is shellcheck (0.9.0) compliant. We can easily spot new issues. Reviewed-by:
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Matthieu Baerts (NGI0) authored
shellcheck recently helped to prevent issues. It is then good to fix the other harmless issues in order to spot "real" ones later. Here, two categories of warnings are now ignored: - SC2317: Command appears to be unreachable. The cleanup() function is invoked indirectly via the EXIT trap. - SC2086: Double quote to prevent globbing and word splitting. This is recommended, but the current usage is correct and there is no need to do all these modifications to be compliant with this rule. For the modifications: - SC2034: ksft_skip appears unused. - SC2181: Check exit code directly with e.g. 'if mycmd;', not indirectly with $?. - SC2004: $/${} is unnecessary on arithmetic variables. - SC2155: Declare and assign separately to avoid masking return values. - SC2166: Prefer [ p ] && [ q ] as [ p -a q ] is not well defined. - SC2059: Don't use variables in the printf format string. Use printf '..%s..' "$foo". Now this script is shellcheck (0.9.0) compliant. We can easily spot new issues. Reviewed-by: -
Matthieu Baerts (NGI0) authored
shellcheck recently helped to prevent issues. It is then good to fix the other harmless issues in order to spot "real" ones later. Here, two categories of warnings are now ignored: - SC2317: Command appears to be unreachable. The cleanup() function is invoked indirectly via the EXIT trap. - SC2086: Double quote to prevent globbing and word splitting. This is recommended, but the current usage is correct and there is no need to do all these modifications to be compliant with this rule. For the modifications: - SC2034: ksft_skip appears unused. - SC2046: Quote '$(get_msk_inuse)' to prevent word splitting. - SC2006: Use $(...) notation instead of legacy backticks `...`. Now this script is shellcheck (0.9.0) compliant. We can easily spot new issues. Reviewed-by:
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Geliang Tang authored
To avoid duplicated code in different MPTCP selftests, we can add and use helpers defined in mptcp_lib.sh. This patch unifies "pm_nl_ctl events" related code in userspace_pm.sh and mptcp_join.sh into a helper mptcp_lib_events(). Define it in mptcp_lib.sh and use it in both scripts. Note that mptcp_lib_kill_wait is now call before starting 'events' for mptcp_join.sh as well, but that's fine: each test is started from a new netns, so there will not be any existing pid there, and nothing is done when mptcp_lib_kill_wait is called with 0. Signed-off-by:
Geliang Tang <tanggeliang@kylinos.cn> Reviewed-by:
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Geliang Tang authored
Set more the default sysctl values in mptcp_lib_ns_init(). It is fine to do that everywhere, because they could be overridden latter if needed. mptcp_lib_ns_exit() now also try to remove temp netns files used for the stats even for selftests not using them. That's fine to do that because these files have a unique name. Signed-off-by:
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Geliang Tang authored
Add helpers mptcp_lib_ns_init() and mptcp_lib_ns_exit() in mptcp_lib.sh to initialize and delete the given namespaces. Then every test script can invoke these helpers and use all namespaces. Signed-off-by:
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Geliang Tang authored
This patch adds local variables rndh in do_transfer() functions both in mptcp_connect.sh and simult_flows.sh, setting it with ${ns1:4}, not the global variable rndh. The global one is hidden in the next commit. Signed-off-by: -
Geliang Tang authored
This patch exports check_tools() helper from mptcp_join.sh into mptcp_lib.sh as a public one mptcp_lib_check_tools(). The arguments "ip", "ss", "iptables" and "ip6tables" are passed into this helper to indicate whether to check ip tool, ss tool, iptables and ip6tables tools. This helper can be used in every scripts. Signed-off-by:
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Matthieu Baerts (NGI0) authored
Commit 0c4cd3f8 ("selftests: mptcp: join: use 'iptables-legacy' if available") and commit a5a5990c ("selftests: mptcp: sockopt: use 'iptables-legacy' if available") forced using iptables-legacy if available. This was needed because of some issues that were visible when testing the kselftests on a v5.15.x with iptables-nft as default backend. It looks like these errors are no longer present. As mentioned by Pablo [1], the errors were maybe due to missing kernel config. We can then use iptables-nft if it is the default one, instead of using a legacy tool. We can then check the variables iptables and ip6tables are valid. We can keep the variables to easily change it later or add options. Link: https://lore.kernel.org/netdev/ZbFiixyMFpQnxzCH@calendula/ [1] Suggested-by:
Pablo Neira Ayuso <pablo@netfilter.org> Reviewed-by:
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Jakub Kicinski authored
Merge tag 'rxrpc-iothread-20240305' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs David Howells says: ==================== Here are some changes to AF_RXRPC: (1) Cache the transmission serial number of ACK and DATA packets in the rxrpc_txbuf struct and log this in the retransmit tracepoint. (2) Don't use atomics on rxrpc_txbuf::flags[*] and cache the intended wire header flags there too to avoid duplication. (3) Cache the wire checksum in rxrpc_txbuf to make it easier to create jumbo packets in future (which will require altering the wire header to a jumbo header and restoring it back again for retransmission). (4) Fix the protocol names in the wire ACK trailer struct. (5) Strip all the barriers and atomics out of the call timer tracking[*]. (6) Remove atomic handling from call->tx_transmitted and call->acks_prev_seq[*]. (7) Don't bother resetting the DF flag after UDP packet transmission. To change it, we now call directly into UDP code, so it's quick just to set it every time. (8) Merge together the DF/non-DF branches of the DATA transmission to reduce duplication in the code. (9) Add a kvec array into rxrpc_txbuf and start moving things over to it. This paves the way for using page frags. (10) Split (sub)packet preparation and timestamping out of the DATA transmission function. This helps pave the way for future jumbo packet generation. (11) In rxkad, don't pick values out of the wire header stored in rxrpc_txbuf, buf rather find them elsewhere so we can remove the wire header from there. (12) Move rxrpc_send_ACK() to output.c so that it can be merged with rxrpc_send_ack_packet(). (13) Use rxrpc_txbuf::kvec[0] to access the wire header for the packet rather than directly accessing the copy in rxrpc_txbuf. This will allow that to be removed to a page frag. (14) Switch from keeping the transmission buffers in rxrpc_txbuf allocated in the slab to allocating them using page fragment allocators. There are separate allocators for DATA packets (which persist for a while) and control packets (which are discarded immediately). We can then turn on MSG_SPLICE_PAGES when transmitting DATA and ACK packets. We can also get rid of the RCU cleanup on rxrpc_txbufs, preferring instead to release the page frags as soon as possible. (15) Parse received packets before handling timeouts as the former may reset the latter. (16) Make sure we don't retransmit DATA packets after all the packets have been ACK'd. (17) Differentiate traces for PING ACK transmission. (18) Switch to keeping timeouts as ktime_t rather than a number of jiffies as the latter is too coarse a granularity. Only set the call timer at the end of the call event function from the aggregate of all the timeouts, thereby reducing the number of timer calls made. In future, it might be possible to reduce the number of timers from one per call to one per I/O thread and to use a high-precision timer. (19) Record RTT probes after successful transmission rather than recording it before and then cancelling it after if unsuccessful[*]. This allows a number of calls to get the current time to be removed. (20) Clean up the resend algorithm as there's now no need to walk the transmission buffer under lock[*]. DATA packets can be retransmitted as soon as they're found rather than being queued up and transmitted when the locked is dropped. (21) When initially parsing a received ACK packet, extract some of the fields from the ack info to the skbuff private data. This makes it easier to do path MTU discovery in the future when the call to which a PING RESPONSE ACK refers has been deallocated. [*] Possible with the move of almost all code from softirq context to the I/O thread. Link: https://lore.kernel.org/r/20240301163807.385573-1-dhowells@redhat.com/ # v1 Link: https://lore.kernel.org/r/20240304084322.705539-1-dhowells@redhat.com/ # v2 * tag 'rxrpc-iothread-20240305' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs: (21 commits) rxrpc: Extract useful fields from a received ACK to skb priv data rxrpc: Clean up the resend algorithm rxrpc: Record probes after transmission and reduce number of time-gets rxrpc: Use ktimes for call timeout tracking and set the timer lazily rxrpc: Differentiate PING ACK transmission traces. rxrpc: Don't permit resending after all Tx packets acked rxrpc: Parse received packets before dealing with timeouts rxrpc: Do zerocopy using MSG_SPLICE_PAGES and page frags rxrpc: Use rxrpc_txbuf::kvec[0] instead of rxrpc_txbuf::wire rxrpc: Move rxrpc_send_ACK() to output.c with rxrpc_send_ack_packet() rxrpc: Don't pick values out of the wire header when setting up security rxrpc: Split up the DATA packet transmission function rxrpc: Add a kvec[] to the rxrpc_txbuf struct rxrpc: Merge together DF/non-DF branches of data Tx function rxrpc: Do lazy DF flag resetting rxrpc: Remove atomic handling on some fields only used in I/O thread rxrpc: Strip barriers and atomics off of timer tracking rxrpc: Fix the names of the fields in the ACK trailer struct rxrpc: Note cksum in txbuf rxrpc: Convert rxrpc_txbuf::flags into a mask and don't use atomics ... ==================== Link: https://lore.kernel.org/r/Signed-off-by:
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Breno Leitao authored
Commit 3e2f544d ("net: get stats64 if device if driver is configured") moved the callback to dev_get_tstats64() to net core, so, unless the driver is doing some custom stats collection, it does not need to set .ndo_get_stats64. Since this driver is now relying in NETDEV_PCPU_STAT_TSTATS, then, it doesn't need to set the dev_get_tstats64() generic .ndo_get_stats64 function pointer. Signed-off-by:
Breno Leitao <leitao@debian.org> Acked-by:
Oliver Neukum <oneukum@suse.com> Link: https://lore.kernel.org/r/20240306142643.2429409-2-leitao@debian.orgSigned-off-by:
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Breno Leitao authored
With commit 34d21de9 ("net: Move {l,t,d}stats allocation to core and convert veth & vrf"), stats allocation could be done on net core instead of in this driver. With this new approach, the driver doesn't have to bother with error handling (allocation failure checking, making sure free happens in the right spot, etc). This is core responsibility now. Remove the allocation in the usbnet driver and leverage the network core allocation instead. Signed-off-by:
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Jiri Pirko authored
The enum is defined, however the pin capabilities attribute does refer to it. Add this missing enum field. This fixes ynl cli output: Example current output: $ sudo ./tools/net/ynl/cli.py --spec Documentation/netlink/specs/dpll.yaml --do pin-get --json '{"id": 0}' {'capabilities': 4, ... Example new output: $ sudo ./tools/net/ynl/cli.py --spec Documentation/netlink/specs/dpll.yaml --do pin-get --json '{"id": 0}' {'capabilities': {'state-can-change'}, ... Fixes: 3badff3a ("dpll: spec: Add Netlink spec in YAML") Signed-off-by:Jiri Pirko <jiri@nvidia.com> Reviewed-by:
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Russell King (Oracle) authored
Update the Marvell 88e6185 PCS driver to use neg_mode rather than the mode argument to match the other updated PCS drivers. Signed-off-by:
Russell King (Oracle) <rmk+kernel@armlinux.org.uk> Reviewed-by:
Andrew Lunn <andrew@lunn.ch> Reviewed-by:
Florian Fainelli <florian.fainelli@broadcom.com> Link: https://lore.kernel.org/r/E1rhosE-003yuc-FM@rmk-PC.armlinux.org.ukSigned-off-by:
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Russell King (Oracle) authored
Update the RZN1-MIIC PCS driver to use neg_mode rather than the mode argument to match the other updated PCS drivers. Signed-off-by:
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Russell King (Oracle) authored
The comment in m88e1111_config_init_1000basex() is wrong - it claims that Autoneg will be enabled, but this doesn't actually happen. Signed-off-by:
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Eric Dumazet authored
After commit b5a89915 ("netlink: handle EMSGSIZE errors in the core"), we can remove some code that was not 100 % correct anyway. Signed-off-by:
Simon Horman <horms@kernel.org> Reviewed-by:
Ido Schimmel <idosch@nvidia.com> Reviewed-by:
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Kui-Feng Lee authored
ipv6_gc fails occasionally. According to the study, fib6_run_gc() using jiffies_round() to round the GC interval could increase the waiting time up to 750ms (3/4 seconds). The timer has a granularity of 512ms at the range 4s to 32s. That means a route with an expiration time E seconds can wait for more than E * 2 + 1 seconds if the GC interval is also E seconds. E * 2 + 2 seconds should be enough for waiting for removing routes. Also remove a check immediately after replacing 5 routes since it is very likely to remove some of routes before completing the last route with a slow environment. Signed-off-by:
Kui-Feng Lee <thinker.li@gmail.com> Link: https://lore.kernel.org/r/20240305183949.258473-1-thinker.li@gmail.comSigned-off-by:
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Christoph Paasch authored
We observed that TCP-pacing was falling back to the TCP-layer pacing instead of utilizing sch_fq for the pacing. This causes significant CPU-usage due to the hrtimer running on a per-TCP-connection basis. The issue is that mpls_xmit() calls skb_orphan() and thus sets skb->sk to NULL. Which implies that many of the goodies of TCP won't work. Pacing falls back to TCP-layer pacing. TCP Small Queues does not work, ... It is safe to remove this call to skb_orphan() in mpls_xmit() as there really is not reason for it to be there. It appears that this call to skb_orphan comes from the very initial implementation of MPLS. Cc: Roopa Prabhu <roopa@nvidia.com> Reported-by:
Craig Taylor <cmtaylor@apple.com> Signed-off-by:
Christoph Paasch <cpaasch@apple.com> Link: https://lore.kernel.org/r/20240306181117.77419-1-cpaasch@apple.comSigned-off-by:
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Florian Fainelli authored
With commit 34d21de9 ("net: Move {l,t,d}stats allocation to core and convert veth & vrf"), stats allocation could be done on net core instead of in this driver. With this new approach, the driver doesn't have to bother with error handling (allocation failure checking, making sure free happens in the right spot, etc). This is core responsibility now. Remove the allocation in the DSA user network device code and leverage the network core allocation instead. Signed-off-by:
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Uwe Kleine-König authored
The .remove() callback for a platform driver returns an int which makes many driver authors wrongly assume it's possible to do error handling by returning an error code. However the value returned is ignored (apart from emitting a warning) and this typically results in resource leaks. To improve here there is a quest to make the remove callback return void. In the first step of this quest all drivers are converted to .remove_new(), which already returns void. Eventually after all drivers are converted, .remove_new() will be renamed to .remove(). Trivially convert this driver from always returning zero in the remove callback to the void returning variant. Signed-off-by:
Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Reviewed-by:
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Jakub Kicinski authored
Donald Hunter says: ==================== tools/net/ynl: Add support for nlctrl netlink family This series adds a new YNL spec for the nlctrl family, plus some fixes and enhancements for ynl. Patch 1 fixes an extack decoding bug Patch 2 gives cleaner netlink error reporting Patch 3 fixes an array-nest codegen bug Patch 4 adds nest-type-value support to ynl Patch 5 fixes the ynl schemas to allow empty enum-name attrs Patch 6 contains the nlctrl spec ==================== Link: https://lore.kernel.org/r/20240306231046.97158-1-donald.hunter@gmail.comSigned-off-by:
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Donald Hunter authored
Add a spec for the nlctrl family. Example usage: ./tools/net/ynl/cli.py \ --spec Documentation/netlink/specs/nlctrl.yaml \ --do getfamily --json '{"family-name": "nlctrl"}' ./tools/net/ynl/cli.py \ --spec Documentation/netlink/specs/nlctrl.yaml \ --dump getpolicy --json '{"family-name": "nlctrl"}' Signed-off-by:Donald Hunter <donald.hunter@gmail.com> Link: https://lore.kernel.org/r/20240306231046.97158-7-donald.hunter@gmail.comSigned-off-by:
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Donald Hunter authored
Update the ynl schemas to allow the specification of empty enum names for all enum code generation. Signed-off-by:
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Donald Hunter authored
The nlctrl genetlink-legacy family uses nest-type-value encoding as described in Documentation/userspace-api/netlink/genetlink-legacy.rst Add nest-type-value decoding to ynl. Signed-off-by:
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Donald Hunter authored
ynl-gen-c generates e.g. 'calloc(mcast_groups, sizeof(*dst->mcast_groups))' for array-nest attrs when it should be 'n_mcast_groups'. Add a 'n_' prefix in the generated code for array-nests. Signed-off-by:
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Donald Hunter authored
ynl does not handle NlError exceptions so they get reported like program failures. Handle the NlError exceptions and report the netlink errors more cleanly. Example now: Netlink error: No such file or directory nl_len = 44 (28) nl_flags = 0x300 nl_type = 2 error: -2 extack: {'bad-attr': '.op'} Example before: Traceback (most recent call last): File "/home/donaldh/net-next/./tools/net/ynl/cli.py", line 81, in <module> main() File "/home/donaldh/net-next/./tools/net/ynl/cli.py", line 69, in main reply = ynl.dump(args.dump, attrs) ^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/home/donaldh/net-next/tools/net/ynl/lib/ynl.py", line 906, in dump return self._op(method, vals, [], dump=True) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/home/donaldh/net-next/tools/net/ynl/lib/ynl.py", line 872, in _op raise NlError(nl_msg) lib.ynl.NlError: Netlink error: No such file or directory nl_len = 44 (28) nl_flags = 0x300 nl_type = 2 error: -2 extack: {'bad-attr': '.op'} Signed-off-by: -
Donald Hunter authored
Extack decoding was using a hard-coded msg header size of 20 but netlink-raw has a header size of 16. Use a protocol specific msghdr_size() when decoding the attr offssets. Signed-off-by:
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Jakub Kicinski authored
Ricardo B. Marliere says: ==================== isdn: constify struct class usage This is a simple and straight forward cleanup series that aims to make the class structures in isdn constant. This has been possible since 2023 [1]. [1]: https://lore.kernel.org/all/2023040248-customary-release-4aec@gregkh/ ==================== Link: https://lore.kernel.org/r/20240305-class_cleanup-isdn-v1-0-6f0edca75b61@marliere.netSigned-off-by:
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Ricardo B. Marliere authored
Since commit 43a7206b ("driver core: class: make class_register() take a const *"), the driver core allows for struct class to be in read-only memory, so move the capi_class structure to be declared at build time placing it into read-only memory, instead of having to be dynamically allocated at boot time. Suggested-by:
Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by:
Ricardo B. Marliere <ricardo@marliere.net> Reviewed-by:
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Ricardo B. Marliere authored
Since commit 43a7206b ("driver core: class: make class_register() take a const *"), the driver core allows for struct class to be in read-only memory, so move the elements_class structure to be declared at build time placing it into read-only memory, instead of having to be dynamically allocated at boot time. Suggested-by:
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Jérémie Dautheribes authored
Drop reference to the 25MHz clock as it has nothing to do with connecting the PHY and the MAC. Add info about the reference clock direction between the PHY and the MAC as it depends on the selected rmii mode. Suggested-by:
Jérémie Dautheribes <jeremie.dautheribes@bootlin.com> Reviewed-by:
Conor Dooley <conor.dooley@microchip.com> Link: https://lore.kernel.org/r/20240305141309.127669-1-jeremie.dautheribes@bootlin.comSigned-off-by:
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Justin Swartz authored
Remove the "You can read more about X.25 at" links provided in Kconfig as they have not pointed at any relevant pages for quite a while. An old copy of https://www.sangoma.com/tutorials/x25/ can be retrieved via https://archive.org/web/ but nothing useful seems to have been preserved for http://docwiki.cisco.com/wiki/X.25 For the sake of necromancy and those who really did want to read more about X.25, a previous incarnation of Kconfig included a link to: http://www.cisco.com/univercd/cc/td/doc/product/software/ios11/cbook/cx25.htm Which can still be read at: https://web.archive.org/web/20071013101232/http://cisco.com/en/US/docs/ios/11_0/router/configuration/guide/cx25.htmlSigned-off-by:
Justin Swartz <justin.swartz@risingedge.co.za> Acked-by:
Martin Schiller <ms@dev.tdt.de> Link: https://lore.kernel.org/r/20240306112659.25375-1-justin.swartz@risingedge.co.zaSigned-off-by:
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- 07 Mar, 2024 1 commit
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Jakub Kicinski authored
Donald points out that we don't check for overflows. Stash the length of the message on nlmsg_pid (nlmsg_seq would do as well). This allows the attribute helpers to remain self-contained (no extra arguments). Also let the put helpers continue to return nothing. The error is checked only in (newly introduced) ynl_msg_end(). Reviewed-by:
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