- 24 Nov, 2022 4 commits
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Jakub Kicinski authored
Jonathan Toppins says: ==================== bonding: fix bond recovery in mode 2 When a bond is configured with a non-zero updelay and in mode 2 the bond never recovers after all slaves lose link. The first patch adds selftests that demonstrate the issue and the second patch fixes the issue by ignoring the updelay when there are no usable slaves. ==================== Link: https://lore.kernel.org/r/cover.1669147951.git.jtoppins@redhat.comSigned-off-by:
Jakub Kicinski <kuba@kernel.org>
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Jonathan Toppins authored
Before this change when a bond in mode 2 lost link, all of its slaves lost link, the bonding device would never recover even after the expiration of updelay. This change removes the updelay when the bond currently has no usable links. Conforming to bonding.txt section 13.1 paragraph 4. Fixes: 41f89100 ("bonding: ignore updelay param when there is no active slave") Signed-off-by:
Jonathan Toppins <jtoppins@redhat.com> Acked-by:
Jay Vosburgh <jay.vosburgh@canonical.com> Signed-off-by:
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Jonathan Toppins authored
Verify when a bond is configured with {up,down}delay and the link state of slave members flaps if there are no remaining members up the bond should immediately select a member to bring up. (from bonding.txt section 13.1 paragraph 4) Suggested-by:Liang Li <liali@redhat.com> Signed-off-by:
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Maxim Korotkov authored
The value of an arithmetic expression "n * id.data" is subject to possible overflow due to a failure to cast operands to a larger data type before performing arithmetic. Used macro for multiplication instead operator for avoiding overflow. Found by Linux Verification Center (linuxtesting.org) with SVACE. Signed-off-by:
Maxim Korotkov <korotkov.maxim.s@gmail.com> Reviewed-by:
Alexander Lobakin <alexandr.lobakin@intel.com> Reviewed-by:
Andrew Lunn <andrew@lunn.ch> Link: https://lore.kernel.org/r/20221122122901.22294-1-korotkov.maxim.s@gmail.comSigned-off-by:
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- 23 Nov, 2022 36 commits
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Jakub Kicinski authored
Jakub Kicinski says: ==================== net: Complete conversion to i2c_probe_new Reposting for Uwe the networking slice of his mega-series: https://lore.kernel.org/all/20221118224540.619276-1-uwe@kleine-koenig.org/ so that our build bot can confirm the obvious. fix mlx5 -> mlxsw while at it. ==================== Link: https://lore.kernel.org/r/20221123045507.2091409-1-kuba@kernel.orgSigned-off-by:
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Uwe Kleine-König authored
The probe function doesn't make use of the i2c_device_id * parameter so it can be trivially converted. Signed-off-by:
Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by:
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Uwe Kleine-König authored
The probe function doesn't make use of the i2c_device_id * parameter so it can be trivially converted. Signed-off-by:
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Uwe Kleine-König authored
The probe function doesn't make use of the i2c_device_id * parameter so it can be trivially converted. Signed-off-by:
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Uwe Kleine-König authored
The probe function doesn't make use of the i2c_device_id * parameter so it can be trivially converted. Signed-off-by:
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Uwe Kleine-König authored
The probe function doesn't make use of the i2c_device_id * parameter so it can be trivially converted. Signed-off-by:
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Uwe Kleine-König authored
The probe function doesn't make use of the i2c_device_id * parameter so it can be trivially converted. Signed-off-by:
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Uwe Kleine-König authored
The probe function doesn't make use of the i2c_device_id * parameter so it can be trivially converted. Signed-off-by:
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Uwe Kleine-König authored
The probe function doesn't make use of the i2c_device_id * parameter so it can be trivially converted. Signed-off-by:
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Uwe Kleine-König authored
.probe_new() doesn't get the i2c_device_id * parameter, so determine that explicitly in the probe function. Signed-off-by:
Ido Schimmel <idosch@nvidia.com> Signed-off-by:
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Uwe Kleine-König authored
The probe function doesn't make use of the i2c_device_id * parameter so it can be trivially converted. Signed-off-by:
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Uwe Kleine-König authored
The probe function doesn't make use of the i2c_device_id * parameter so it can be trivially converted. Signed-off-by:
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Uwe Kleine-König authored
The probe function doesn't make use of the i2c_device_id * parameter so it can be trivially converted. Signed-off-by:
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Edward Cree authored
In the case of invalid or corrupted v2 counter update packets, efx_tc_rx_version_2() returns EFX_TC_COUNTER_TYPE_MAX. In this case we should not attempt to update generation counts as this will write beyond the end of the seen_gen array. Reported-by:
coverity-bot <keescook+coverity-bot@chromium.org> Addresses-Coverity-ID: 1527356 ("Memory - illegal accesses") Fixes: 25730d8b ("sfc: add extra RX channel to receive MAE counter updates on ef100") Signed-off-by:
Edward Cree <ecree.xilinx@gmail.com> Reviewed-by:
Kees Cook <keescook@chromium.org> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Stanislav Fomichev authored
Syzkaller triggered flow dissector warning with the following: r0 = openat$ppp(0xffffffffffffff9c, &(0x7f0000000000), 0xc0802, 0x0) ioctl$PPPIOCNEWUNIT(r0, 0xc004743e, &(0x7f00000000c0)) ioctl$PPPIOCSACTIVE(r0, 0x40107446, &(0x7f0000000240)={0x2, &(0x7f0000000180)=[{0x20, 0x0, 0x0, 0xfffff034}, {0x6}]}) pwritev(r0, &(0x7f0000000040)=[{&(0x7f0000000140)='\x00!', 0x2}], 0x1, 0x0, 0x0) [ 9.485814] WARNING: CPU: 3 PID: 329 at net/core/flow_dissector.c:1016 __skb_flow_dissect+0x1ee0/0x1fa0 [ 9.485929] skb_get_poff+0x53/0xa0 [ 9.485937] bpf_skb_get_pay_offset+0xe/0x20 [ 9.485944] ? ppp_send_frame+0xc2/0x5b0 [ 9.485949] ? _raw_spin_unlock_irqrestore+0x40/0x60 [ 9.485958] ? __ppp_xmit_process+0x7a/0xe0 [ 9.485968] ? ppp_xmit_process+0x5b/0xb0 [ 9.485974] ? ppp_write+0x12a/0x190 [ 9.485981] ? do_iter_write+0x18e/0x2d0 [ 9.485987] ? __import_iovec+0x30/0x130 [ 9.485997] ? do_pwritev+0x1b6/0x240 [ 9.486016] ? trace_hardirqs_on+0x47/0x50 [ 9.486023] ? __x64_sys_pwritev+0x24/0x30 [ 9.486026] ? do_syscall_64+0x3d/0x80 [ 9.486031] ? entry_SYSCALL_64_after_hwframe+0x63/0xcd Flow dissector tries to find skb net namespace either via device or via socket. Neigher is set in ppp_send_frame, so let's manually use ppp->dev. Cc: Paul Mackerras <paulus@samba.org> Cc: linux-ppp@vger.kernel.org Reported-by: syzbot+41cab52ab62ee99ed24a@syzkaller.appspotmail.com Signed-off-by:Stanislav Fomichev <sdf@google.com> Signed-off-by:
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Bagas Sanjaya authored
kernel test robot reported indentation warnings: Documentation/networking/devlink/devlink-port.rst:220: WARNING: Unexpected indentation. Documentation/networking/devlink/devlink-port.rst:222: WARNING: Block quote ends without a blank line; unexpected unindent. These warnings cause lists (arbitration flow for which the warnings blame to and 3-step subfunction setup) to be rendered inline instead. Also, for the former list, automatic list numbering is messed up. Fix these warnings by adding missing blank line padding. Link: https://lore.kernel.org/linux-doc/202211200926.kfOPiVti-lkp@intel.com/ Fixes: 242dd643 ("Documentation: Add documentation for new devlink-rate attributes") Reported-by:
kernel test robot <lkp@intel.com> Signed-off-by:
Bagas Sanjaya <bagasdotme@gmail.com> Signed-off-by:
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Jakub Kicinski authored
Heng Qi says: ==================== Revert "veth: Avoid drop packets when xdp_redirect performs" and its fix This patch 2e0de636 enables napi of the peer veth automatically when the veth loads the xdp, but it breaks down as reported by Paolo and John. So reverting it and its fix, we will rework the patch and make it more robust based on comments. ==================== Link: https://lore.kernel.org/r/20221122035015.19296-1-hengqi@linux.alibaba.comSigned-off-by:
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Heng Qi authored
This reverts commit 2e0de636. Based on the issues reported by John and Paolo and their comments, this patch and the corresponding fix 5e5dc33d are reverted, and we'll remake it. Signed-off-by:
Heng Qi <hengqi@linux.alibaba.com> Reviewed-by:
Xuan Zhuo <xuanzhuo@linux.alibaba.com> Signed-off-by:
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Heng Qi authored
This reverts commit 5e5dc33d. This patch fixes the panic maked by 2e0de636. Now Paolo and Toke suggest reverting the patch 2e0de636 and making it stronger, so do this first. Signed-off-by:
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Jakub Kicinski authored
Vladimir Oltean says: ==================== Remove dsa_priv.h After working on the "Autoload DSA tagging driver when dynamically changing protocol" series: https://patchwork.kernel.org/project/netdevbpf/cover/20221115011847.2843127-1-vladimir.oltean@nxp.com/ it became clear to me that the situation with DSA headers is a bit messy, and I put the tagging protocol driver macros in a pretty random temporary spot in dsa_priv.h. Now is the time to make the net/dsa/ folder a bit more organized, and to make tagging protocol driver modules include just headers they're going to use. Another thing is the merging and cleanup of dsa.c and dsa2.c. Before, dsa.c had 589 lines and dsa2.c had 1817 lines. Now, the combined dsa.c has 1749 lines, the rest went to some other places. Sorry for the set size, I know the rules, but since this is basically code movement for the most part, I thought more patches are better. ==================== Link: https://lore.kernel.org/r/20221121135555.1227271-1-vladimir.oltean@nxp.comSigned-off-by:
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Vladimir Oltean authored
The last remnants in dsa_priv.h are a netlink-related definition for which we create a new header, and DSA_MAX_NUM_OFFLOADING_BRIDGES which is only used from dsa.c, so move it there. Some inclusions need to be adjusted now that we no longer have headers included transitively from dsa_priv.h. Signed-off-by:
Vladimir Oltean <vladimir.oltean@nxp.com> Reviewed-by:
Florian Fainelli <f.fainelli@gmail.com> Signed-off-by:
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Vladimir Oltean authored
tag_8021q definitions are all over the place. Some are exported to linux/dsa/8021q.h (visible by DSA core, taggers, switch drivers and everyone else), and some are in dsa_priv.h. Move the structures that don't need external visibility into tag_8021q.c, and the ones which don't need the world or switch drivers to see them into tag_8021q.h. We also have the tag_8021q.h inclusion from switch.c, which is basically the entire reason why tag_8021q.c was built into DSA in commit 8b6e638b ("net: dsa: build tag_8021q.c as part of DSA core"). I still don't know how to better deal with that, so leave it alone. Signed-off-by:
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Vladimir Oltean authored
There are some definitions in dsa_priv.h which are only used from slave.c. So move them to slave.c. Signed-off-by:
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Vladimir Oltean authored
The previous change moved the code into the larger file (dsa2.c) to minimize the delta. Rename that now to dsa.c, and create dsa.h, where all related definitions from dsa_priv.h go. Signed-off-by:
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Vladimir Oltean authored
There is no longer a meaningful distinction between what goes into dsa2.c and what goes into dsa.c. Merge the 2 into a single file. Signed-off-by:
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Vladimir Oltean authored
Reduce bloat in dsa_priv.h by moving the cross-chip notifier data structures to switch.h. Signed-off-by:
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Vladimir Oltean authored
There isn't an intuitive place for these 2 cross-chip notifier functions according to the function-to-file classification based on names (dsa_switch_*() goes to switch.c), but I consider these to be part of the cross-chip notifier handling, therefore part of switch.c. Move them there to reduce bloat in dsa2.c (the place where all code with no better place to go goes). Signed-off-by:
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Vladimir Oltean authored
Reduce code bloat in dsa_priv.h by moving the prototypes exported by switch.h into their own header file. Signed-off-by:
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Vladimir Oltean authored
It would be nice if tagging protocol drivers could include just the header they need, since they are (mostly) data path and isolated from most of the other DSA core code does. Create a tag.c and a tag.h file which are meant to support tagging protocol drivers. Signed-off-by:
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Vladimir Oltean authored
Minimize the use of the bloated dsa_priv.h by moving the prototypes exported by slave.c to their own header file. This is just approximate to get the code structure right. There are some interdependencies with static inline code left in dsa_priv.h, so leave slave.h included from there for now. Signed-off-by:
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Vladimir Oltean authored
Minimize the use of the bloated dsa_priv.h by moving the prototypes exported by master.c to their own header file. Signed-off-by:
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Vladimir Oltean authored
Minimize the use of the bloated dsa_priv.h by moving the prototypes exported by port.c to their own header file. Signed-off-by:
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Vladimir Oltean authored
The code that needed further refactoring into dedicated functions in dsa2.c was left aside. Move it now to devlink.c, and make dsa2.c stop including net/devlink.h. Signed-off-by:
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Vladimir Oltean authored
Simplify dsa_switch_teardown() to remove the NULL checking for ds->devlink. Signed-off-by:
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Vladimir Oltean authored
dsa.c and dsa2.c are bloated with too much off-topic code. Identify all code related to devlink and move it to a new devlink.c file. Steer clear of the dsa_priv.h dumping ground antipattern and create a dedicated devlink.h for it, which will be included only by the C files which need it. Usage of dsa_priv.h will be minimized in later patches. Signed-off-by:
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Vladimir Oltean authored
There is no reason that I can see why the no-op tagging protocol should be registered manually, so make it a module and make all drivers which have any sort of reference to DSA_TAG_PROTO_NONE select it. Note that I don't know if ksz_get_tag_protocol() really needs this, or if it's just the logic which is poorly written. All switches seem to have their own tagging protocol, and DSA_TAG_PROTO_NONE is just a fallback that never gets used. Signed-off-by:
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