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The variable okay is being initialized with a value that is never
read, it is being re-assigned later on. The initialization is
redundant and can be removed. Also clean up assignment to
variable freespace using an assignment and mask operation.
Cleans up clang scan build warning:
drivers/net/ethernet/xircom/xirc2ps_cs.c:1244:5: warning: Value stored
to 'okay' is never read [deadcode.DeadStores]
Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/20240205213643.1850420-1-colin.i.king@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The convention is to not use the "inline" keyword for functions in C
files, but to let the compiler choose.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/20240206112927.4134375-2-vladimir.oltean@nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The convention is to not use "inline" functions in C files, and let the
compiler decide whether to inline or not.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/20240206112927.4134375-1-vladimir.oltean@nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
After commit f86ad77faf24 ("net: dsa: bcm_sf2: Utilize b53_{enable,
disable}_port"), bcm_sf2.c no longer calls b53_eee_enable_set(), and all
its callers are in b53_common.c.
We also need to move it, because it is called within b53_common.c before
its definition, and we want to avoid forward declarations.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Acked-by: Florian Fainelli <florian.fainelli@broadcom.com>
Link: https://lore.kernel.org/r/20240206112527.4132299-1-vladimir.oltean@nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Adding support for the Adva timecard.
The card uses different drivers to provide access to the
firmware SPI flash (Altera based).
Other parts of the code are the same and could be reused.
Signed-off-by: Sagi Maimon <maimon.sagi@gmail.com>
Reviewed-by: Vadim Fedorenko <vadim.fedorenko@linux.dev>
Link: https://lore.kernel.org/r/20240205153046.3642-1-maimon.sagi@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Since NUM_XMIT_BUFFS is always 1, building m68k with sun3_defconfig and
-Warraybounds, this build warning is visible[1]:
drivers/net/ethernet/i825xx/sun3_82586.c: In function 'sun3_82586_timeout':
drivers/net/ethernet/i825xx/sun3_82586.c:990:122: warning: array subscript 1 is above array bounds of 'volatile struct transmit_cmd_struct *[1]' [-Warray-bounds=]
990 | printk("%s: command-stats: %04x %04x\n",dev->name,swab16(p->xmit_cmds[0]->cmd_status),swab16(p->xmit_cmds[1]->cmd_status));
| ~~~~~~~~~~~~^~~
...
drivers/net/ethernet/i825xx/sun3_82586.c:156:46: note: while referencing 'xmit_cmds'
156 | volatile struct transmit_cmd_struct *xmit_cmds[NUM_XMIT_BUFFS];
Avoid accessing index 1 since it doesn't exist.
Link: https://github.com/KSPP/linux/issues/325 [1]
Cc: Sam Creasey <sammy@sammy.net>
Signed-off-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Simon Horman <horms@kernel.org>
Tested-by: Simon Horman <horms@kernel.org> # build-tested
Reviewed-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Link: https://lore.kernel.org/r/20240206161651.work.876-kees@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Cross-merge networking fixes after downstream PR.
No conflicts.
Adjacent changes:
drivers/net/ethernet/stmicro/stmmac/common.h
38cc3c6dcc09 ("net: stmmac: protect updates of 64-bit statistics counters")
fd5a6a71313e ("net: stmmac: est: Per Tx-queue error count for HLBF")
c5c3e1bfc9e0 ("net: stmmac: Offload queueMaxSDU from tc-taprio")
drivers/net/wireless/microchip/wilc1000/netdev.c
c9013880284d ("wifi: fill in MODULE_DESCRIPTION()s for wilc1000")
328efda22af8 ("wifi: wilc1000: do not realloc workqueue everytime an interface is added")
net/unix/garbage.c
11498715f266 ("af_unix: Remove io_uring code for GC.")
1279f9d9dec2 ("af_unix: Call kfree_skb() for dead unix_(sk)->oob_skb in GC.")
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Current release - regressions:
- nic: intel: fix old compiler regressions
- netfilter: ipset: missing gc cancellations fixed
Current release - new code bugs:
- netfilter: ctnetlink: fix filtering for zone 0
Previous releases - regressions:
- core: fix from address in memcpy_to_iter_csum()
- netfilter: nfnetlink_queue: un-break NF_REPEAT
- af_unix: fix memory leak for dead unix_(sk)->oob_skb in GC.
- devlink: avoid potential loop in devlink_rel_nested_in_notify_work()
- iwlwifi:
- mvm: fix a battery life regression
- fix double-free bug
- mac80211: fix waiting for beacons logic
- nic: nfp: flower: prevent re-adding mac index for bonded port
Previous releases - always broken:
- rxrpc: fix generation of serial numbers to skip zero
- tipc: check the bearer type before calling tipc_udp_nl_bearer_add()
- tunnels: fix out of bounds access when building IPv6 PMTU error
- nic: hv_netvsc: register VF in netvsc_probe if NET_DEVICE_REGISTER missed
- nic: atlantic: fix DMA mapping for PTP hwts ring
Misc:
- selftests: more fixes to deal with very slow hosts
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Merge tag 'net-6.8-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Paolo Abeni:
"Including fixes from WiFi and netfilter.
Current release - regressions:
- nic: intel: fix old compiler regressions
- netfilter: ipset: missing gc cancellations fixed
Current release - new code bugs:
- netfilter: ctnetlink: fix filtering for zone 0
Previous releases - regressions:
- core: fix from address in memcpy_to_iter_csum()
- netfilter: nfnetlink_queue: un-break NF_REPEAT
- af_unix: fix memory leak for dead unix_(sk)->oob_skb in GC.
- devlink: avoid potential loop in devlink_rel_nested_in_notify_work()
- iwlwifi:
- mvm: fix a battery life regression
- fix double-free bug
- mac80211: fix waiting for beacons logic
- nic: nfp: flower: prevent re-adding mac index for bonded port
Previous releases - always broken:
- rxrpc: fix generation of serial numbers to skip zero
- tipc: check the bearer type before calling tipc_udp_nl_bearer_add()
- tunnels: fix out of bounds access when building IPv6 PMTU error
- nic: hv_netvsc: register VF in netvsc_probe if NET_DEVICE_REGISTER
missed
- nic: atlantic: fix DMA mapping for PTP hwts ring
Misc:
- selftests: more fixes to deal with very slow hosts"
* tag 'net-6.8-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (80 commits)
netfilter: nft_set_pipapo: remove scratch_aligned pointer
netfilter: nft_set_pipapo: add helper to release pcpu scratch area
netfilter: nft_set_pipapo: store index in scratch maps
netfilter: nft_set_rbtree: skip end interval element from gc
netfilter: nfnetlink_queue: un-break NF_REPEAT
netfilter: nf_tables: use timestamp to check for set element timeout
netfilter: nft_ct: reject direction for ct id
netfilter: ctnetlink: fix filtering for zone 0
s390/qeth: Fix potential loss of L3-IP@ in case of network issues
netfilter: ipset: Missing gc cancellations fixed
octeontx2-af: Initialize maps.
net: ethernet: ti: cpsw: enable mac_managed_pm to fix mdio
net: ethernet: ti: cpsw_new: enable mac_managed_pm to fix mdio
netfilter: nft_set_pipapo: remove static in nft_pipapo_get()
netfilter: nft_compat: restrict match/target protocol to u16
netfilter: nft_compat: reject unused compat flag
netfilter: nft_compat: narrow down revision to unsigned 8-bits
net: intel: fix old compiler regressions
MAINTAINERS: Maintainer change for rds
selftests: cmsg_ipv6: repeat the exact packet
...
laptops, the pinctrl/GPIO driver won't probe on some systems.
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Merge tag 'pinctrl-v6.8-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
Pull pinctrl fix from Linus Walleij:
"A single fix for the AMD driver which affects developer laptops, the
pinctrl/GPIO driver won't probe on some systems"
* tag 'pinctrl-v6.8-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl:
pinctrl: amd: Add IRQF_ONESHOT to the interrupt request
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Merge tag 'nf-24-02-08' of git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf
Pablo Neira Ayuso says:
====================
Netfilter fixes for net
The following patchset contains Netfilter fixes for net:
1) Narrow down target/match revision to u8 in nft_compat.
2) Bail out with unused flags in nft_compat.
3) Restrict layer 4 protocol to u16 in nft_compat.
4) Remove static in pipapo get command that slipped through when
reducing set memory footprint.
5) Follow up incremental fix for the ipset performance regression,
this includes the missing gc cancellation, from Jozsef Kadlecsik.
6) Allow to filter by zone 0 in ctnetlink, do not interpret zone 0
as no filtering, from Felix Huettner.
7) Reject direction for NFT_CT_ID.
8) Use timestamp to check for set element expiration while transaction
is handled to prevent garbage collection from removing set elements
that were just added by this transaction. Packet path and netlink
dump/get path still use current time to check for expiration.
9) Restore NF_REPEAT in nfnetlink_queue, from Florian Westphal.
10) map_index needs to be percpu and per-set, not just percpu.
At this time its possible for a pipapo set to fill the all-zero part
with ones and take the 'might have bits set' as 'start-from-zero' area.
From Florian Westphal. This includes three patches:
- Change scratchpad area to a structure that provides space for a
per-set-and-cpu toggle and uses it of the percpu one.
- Add a new free helper to prepare for the next patch.
- Remove the scratch_aligned pointer and makes AVX2 implementation
use the exact same memory addresses for read/store of the matching
state.
netfilter pull request 24-02-08
* tag 'nf-24-02-08' of git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf:
netfilter: nft_set_pipapo: remove scratch_aligned pointer
netfilter: nft_set_pipapo: add helper to release pcpu scratch area
netfilter: nft_set_pipapo: store index in scratch maps
netfilter: nft_set_rbtree: skip end interval element from gc
netfilter: nfnetlink_queue: un-break NF_REPEAT
netfilter: nf_tables: use timestamp to check for set element timeout
netfilter: nft_ct: reject direction for ct id
netfilter: ctnetlink: fix filtering for zone 0
netfilter: ipset: Missing gc cancellations fixed
netfilter: nft_set_pipapo: remove static in nft_pipapo_get()
netfilter: nft_compat: restrict match/target protocol to u16
netfilter: nft_compat: reject unused compat flag
netfilter: nft_compat: narrow down revision to unsigned 8-bits
====================
Link: https://lore.kernel.org/r/20240208112834.1433-1-pablo@netfilter.org
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
use ->scratch for both avx2 and the generic implementation.
After previous change the scratch->map member is always aligned properly
for AVX2, so we can just use scratch->map in AVX2 too.
The alignoff delta is stored in the scratchpad so we can reconstruct
the correct address to free the area again.
Fixes: 7400b063969b ("nft_set_pipapo: Introduce AVX2-based lookup implementation")
Reviewed-by: Stefano Brivio <sbrivio@redhat.com>
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
After next patch simple kfree() is not enough anymore, so add
a helper for it.
Reviewed-by: Stefano Brivio <sbrivio@redhat.com>
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Pipapo needs a scratchpad area to keep state during matching.
This state can be large and thus cannot reside on stack.
Each set preallocates percpu areas for this.
On each match stage, one scratchpad half starts with all-zero and the other
is inited to all-ones.
At the end of each stage, the half that starts with all-ones is
always zero. Before next field is tested, pointers to the two halves
are swapped, i.e. resmap pointer turns into fill pointer and vice versa.
After the last field has been processed, pipapo stashes the
index toggle in a percpu variable, with assumption that next packet
will start with the all-zero half and sets all bits in the other to 1.
This isn't reliable.
There can be multiple sets and we can't be sure that the upper
and lower half of all set scratch map is always in sync (lookups
can be conditional), so one set might have swapped, but other might
not have been queried.
Thus we need to keep the index per-set-and-cpu, just like the
scratchpad.
Note that this bug fix is incomplete, there is a related issue.
avx2 and normal implementation might use slightly different areas of the
map array space due to the avx2 alignment requirements, so
m->scratch (generic/fallback implementation) and ->scratch_aligned
(avx) may partially overlap. scratch and scratch_aligned are not distinct
objects, the latter is just the aligned address of the former.
After this change, write to scratch_align->map_index may write to
scratch->map, so this issue becomes more prominent, we can set to 1
a bit in the supposedly-all-zero area of scratch->map[].
A followup patch will remove the scratch_aligned and makes generic and
avx code use the same (aligned) area.
Its done in a separate change to ease review.
Fixes: 3c4287f62044 ("nf_tables: Add set type for arbitrary concatenation of ranges")
Reviewed-by: Stefano Brivio <sbrivio@redhat.com>
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
rbtree lazy gc on insert might collect an end interval element that has
been just added in this transactions, skip end interval elements that
are not yet active.
Fixes: f718863aca46 ("netfilter: nft_set_rbtree: fix overlap expiration walk")
Cc: stable@vger.kernel.org
Reported-by: lonial con <kongln9170@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Only override userspace verdict if the ct hook returns something
other than ACCEPT.
Else, this replaces NF_REPEAT (run all hooks again) with NF_ACCEPT
(move to next hook).
Fixes: 6291b3a67ad5 ("netfilter: conntrack: convert nf_conntrack_update to netfilter verdicts")
Reported-by: l.6diay@passmail.com
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Add a timestamp field at the beginning of the transaction, store it
in the nftables per-netns area.
Update set backend .insert, .deactivate and sync gc path to use the
timestamp, this avoids that an element expires while control plane
transaction is still unfinished.
.lookup and .update, which are used from packet path, still use the
current time to check if the element has expired. And .get path and dump
also since this runs lockless under rcu read size lock. Then, there is
async gc which also needs to check the current time since it runs
asynchronously from a workqueue.
Fixes: c3e1b005ed1c ("netfilter: nf_tables: add set element timeout support")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Direction attribute is ignored, reject it in case this ever needs to be
supported
Fixes: 3087c3f7c23b ("netfilter: nft_ct: Add ct id support")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
previously filtering for the default zone would actually skip the zone
filter and flush all zones.
Fixes: eff3c558bb7e ("netfilter: ctnetlink: support filtering by zone")
Reported-by: Ilya Maximets <i.maximets@ovn.org>
Closes: https://lore.kernel.org/netdev/2032238f-31ac-4106-8f22-522e76df5a12@ovn.org/
Signed-off-by: Felix Huettner <felix.huettner@mail.schwarz>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Symptom:
In case of a bad cable connection (e.g. dirty optics) a fast sequence of
network DOWN-UP-DOWN-UP could happen. UP triggers recovery of the qeth
interface. In case of a second DOWN while recovery is still ongoing, it
can happen that the IP@ of a Layer3 qeth interface is lost and will not
be recovered by the second UP.
Problem:
When registration of IP addresses with Layer 3 qeth devices fails, (e.g.
because of bad address format) the respective IP address is deleted from
its hash-table in the driver. If registration fails because of a ENETDOWN
condition, the address should stay in the hashtable, so a subsequent
recovery can restore it.
3caa4af834df ("qeth: keep ip-address after LAN_OFFLINE failure")
fixes this for registration failures during normal operation, but not
during recovery.
Solution:
Keep L3-IP address in case of ENETDOWN in qeth_l3_recover_ip(). For
consistency with qeth_l3_add_ip() we also keep it in case of EADDRINUSE,
i.e. for some reason the card already/still has this address registered.
Fixes: 4a71df50047f ("qeth: new qeth device driver")
Cc: stable@vger.kernel.org
Signed-off-by: Alexandra Winter <wintera@linux.ibm.com>
Link: https://lore.kernel.org/r/20240206085849.2902775-1-wintera@linux.ibm.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
The patch fdb8e12cc2cc ("netfilter: ipset: fix performance regression
in swap operation") missed to add the calls to gc cancellations
at the error path of create operations and at module unload. Also,
because the half of the destroy operations now executed by a
function registered by call_rcu(), neither NFNL_SUBSYS_IPSET mutex
or rcu read lock is held and therefore the checking of them results
false warnings.
Fixes: 97f7cf1cd80e ("netfilter: ipset: fix performance regression in swap operation")
Reported-by: syzbot+52bbc0ad036f6f0d4a25@syzkaller.appspotmail.com
Reported-by: Brad Spengler <spender@grsecurity.net>
Reported-by: Стас Ничипорович <stasn77@gmail.com>
Tested-by: Brad Spengler <spender@grsecurity.net>
Tested-by: Стас Ничипорович <stasn77@gmail.com>
Signed-off-by: Jozsef Kadlecsik <kadlec@netfilter.org>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
kmalloc_array() without __GFP_ZERO flag does not initialize
memory to zero. This causes issues. Use kcalloc() for maps and
bitmap_zalloc() for bitmaps.
Fixes: dd7842878633 ("octeontx2-af: Add new devlink param to configure maximum usable NIX block LFs")
Signed-off-by: Ratheesh Kannoth <rkannoth@marvell.com>
Reviewed-by: Brett Creeley <bcreeley@amd.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/20240206024000.1070260-1-rkannoth@marvell.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
The below commit introduced a WARN when phy state is not in the states:
PHY_HALTED, PHY_READY and PHY_UP.
commit 744d23c71af3 ("net: phy: Warn about incorrect mdio_bus_phy_resume() state")
When cpsw resumes, there have port in PHY_NOLINK state, so the below
warning comes out. Set mac_managed_pm be true to tell mdio that the phy
resume/suspend is managed by the mac, to fix the following warning:
WARNING: CPU: 0 PID: 965 at drivers/net/phy/phy_device.c:326 mdio_bus_phy_resume+0x140/0x144
CPU: 0 PID: 965 Comm: sh Tainted: G O 6.1.46-g247b2535b2 #1
Hardware name: Generic AM33XX (Flattened Device Tree)
unwind_backtrace from show_stack+0x18/0x1c
show_stack from dump_stack_lvl+0x24/0x2c
dump_stack_lvl from __warn+0x84/0x15c
__warn from warn_slowpath_fmt+0x1a8/0x1c8
warn_slowpath_fmt from mdio_bus_phy_resume+0x140/0x144
mdio_bus_phy_resume from dpm_run_callback+0x3c/0x140
dpm_run_callback from device_resume+0xb8/0x2b8
device_resume from dpm_resume+0x144/0x314
dpm_resume from dpm_resume_end+0x14/0x20
dpm_resume_end from suspend_devices_and_enter+0xd0/0x924
suspend_devices_and_enter from pm_suspend+0x2e0/0x33c
pm_suspend from state_store+0x74/0xd0
state_store from kernfs_fop_write_iter+0x104/0x1ec
kernfs_fop_write_iter from vfs_write+0x1b8/0x358
vfs_write from ksys_write+0x78/0xf8
ksys_write from ret_fast_syscall+0x0/0x54
Exception stack(0xe094dfa8 to 0xe094dff0)
dfa0: 00000004 005c3fb8 00000001 005c3fb8 00000004 00000001
dfc0: 00000004 005c3fb8 b6f6bba0 00000004 00000004 0059edb8 00000000 00000000
dfe0: 00000004 bed918f0 b6f09bd3 b6e89a66
Cc: <stable@vger.kernel.org> # v6.0+
Fixes: 744d23c71af3 ("net: phy: Warn about incorrect mdio_bus_phy_resume() state")
Fixes: fba863b81604 ("net: phy: make PHY PM ops a no-op if MAC driver manages PHY PM")
Signed-off-by: Sinthu Raja <sinthu.raja@ti.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
The below commit introduced a WARN when phy state is not in the states:
PHY_HALTED, PHY_READY and PHY_UP.
commit 744d23c71af3 ("net: phy: Warn about incorrect mdio_bus_phy_resume() state")
When cpsw_new resumes, there have port in PHY_NOLINK state, so the below
warning comes out. Set mac_managed_pm be true to tell mdio that the phy
resume/suspend is managed by the mac, to fix the following warning:
WARNING: CPU: 0 PID: 965 at drivers/net/phy/phy_device.c:326 mdio_bus_phy_resume+0x140/0x144
CPU: 0 PID: 965 Comm: sh Tainted: G O 6.1.46-g247b2535b2 #1
Hardware name: Generic AM33XX (Flattened Device Tree)
unwind_backtrace from show_stack+0x18/0x1c
show_stack from dump_stack_lvl+0x24/0x2c
dump_stack_lvl from __warn+0x84/0x15c
__warn from warn_slowpath_fmt+0x1a8/0x1c8
warn_slowpath_fmt from mdio_bus_phy_resume+0x140/0x144
mdio_bus_phy_resume from dpm_run_callback+0x3c/0x140
dpm_run_callback from device_resume+0xb8/0x2b8
device_resume from dpm_resume+0x144/0x314
dpm_resume from dpm_resume_end+0x14/0x20
dpm_resume_end from suspend_devices_and_enter+0xd0/0x924
suspend_devices_and_enter from pm_suspend+0x2e0/0x33c
pm_suspend from state_store+0x74/0xd0
state_store from kernfs_fop_write_iter+0x104/0x1ec
kernfs_fop_write_iter from vfs_write+0x1b8/0x358
vfs_write from ksys_write+0x78/0xf8
ksys_write from ret_fast_syscall+0x0/0x54
Exception stack(0xe094dfa8 to 0xe094dff0)
dfa0: 00000004 005c3fb8 00000001 005c3fb8 00000004 00000001
dfc0: 00000004 005c3fb8 b6f6bba0 00000004 00000004 0059edb8 00000000 00000000
dfe0: 00000004 bed918f0 b6f09bd3 b6e89a66
Cc: <stable@vger.kernel.org> # v6.0+
Fixes: 744d23c71af3 ("net: phy: Warn about incorrect mdio_bus_phy_resume() state")
Fixes: fba863b81604 ("net: phy: make PHY PM ops a no-op if MAC driver manages PHY PM")
Signed-off-by: Sinthu Raja <sinthu.raja@ti.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
This has slipped through when reducing memory footprint for set
elements, remove it.
Fixes: 9dad402b89e8 ("netfilter: nf_tables: expose opaque set element as struct nft_elem_priv")
Reported-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
older NULL-pointer dereference in ccp.
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Merge tag 'v6.8-p3' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto fixes from Herbert Xu:
"Fix regressions in cbc and algif_hash, as well as an older
NULL-pointer dereference in ccp"
* tag 'v6.8-p3' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
crypto: algif_hash - Remove bogus SGL free on zero-length error path
crypto: cbc - Ensure statesize is zero
crypto: ccp - Fix null pointer dereference in __sev_platform_shutdown_locked
exit_batch_rtnl() is called while RTNL is held,
and devices to be unregistered can be queued in the dev_kill_list.
This saves one rtnl_lock()/rtnl_unlock() pair per netns
and one unregister_netdevice_many() call.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Antoine Tenart <atenart@kernel.org>
Link: https://lore.kernel.org/r/20240206144313.2050392-17-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
exit_batch_rtnl() is called while RTNL is held,
and devices to be unregistered can be queued in the dev_kill_list.
This saves one rtnl_lock()/rtnl_unlock() pair per netns
and one unregister_netdevice_many() call.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Antoine Tenart <atenart@kernel.org>
Link: https://lore.kernel.org/r/20240206144313.2050392-16-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
exit_batch_rtnl() is called while RTNL is held,
and devices to be unregistered can be queued in the dev_kill_list.
This saves one rtnl_lock()/rtnl_unlock() pair
and one unregister_netdevice_many() call.
This patch takes care of ipip, ip_vti, and ip_gre tunnels.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Antoine Tenart <atenart@kernel.org>
Link: https://lore.kernel.org/r/20240206144313.2050392-15-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
exit_batch_rtnl() is called while RTNL is held,
and devices to be unregistered can be queued in the dev_kill_list.
This saves one rtnl_lock()/rtnl_unlock() pair
and one unregister_netdevice_many() call.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Antoine Tenart <atenart@kernel.org>
Link: https://lore.kernel.org/r/20240206144313.2050392-14-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
exit_batch_rtnl() is called while RTNL is held,
and devices to be unregistered can be queued in the dev_kill_list.
This saves one rtnl_lock()/rtnl_unlock() pair
and one unregister_netdevice_many() call.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Antoine Tenart <atenart@kernel.org>
Link: https://lore.kernel.org/r/20240206144313.2050392-13-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
exit_batch_rtnl() is called while RTNL is held,
and devices to be unregistered can be queued in the dev_kill_list.
This saves one rtnl_lock()/rtnl_unlock() pair
and one unregister_netdevice_many() call.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Antoine Tenart <atenart@kernel.org>
Link: https://lore.kernel.org/r/20240206144313.2050392-12-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
exit_batch_rtnl() is called while RTNL is held,
and devices to be unregistered can be queued in the dev_kill_list.
This saves one rtnl_lock()/rtnl_unlock() pair
and one unregister_netdevice_many() call.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Antoine Tenart <atenart@kernel.org>
Link: https://lore.kernel.org/r/20240206144313.2050392-11-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
exit_batch_rtnl() is called while RTNL is held,
and devices to be unregistered can be queued in the dev_kill_list.
This saves one rtnl_lock()/rtnl_unlock() pair per netns
and one unregister_netdevice_many() call.
v4: (Paolo feedback : https://netdev-3.bots.linux.dev/vmksft-net/results/453141/17-udpgro-fwd-sh/stdout )
- Changed vxlan_destroy_tunnels() to use vxlan_dellink()
instead of unregister_netdevice_queue to propely remove
devices from vn->vxlan_list.
- vxlan_destroy_tunnels() can simply iterate one list (vn->vxlan_list)
to find all devices in the most efficient way.
- Moved sanity checks in a separate vxlan_exit_net() method.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Antoine Tenart <atenart@kernel.org>
Link: https://lore.kernel.org/r/20240206144313.2050392-10-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
unregister_nexthop_notifier() assumes the caller does not hold rtnl.
We need in the following patch to use it from a context
already holding rtnl.
Add __unregister_nexthop_notifier().
unregister_nexthop_notifier() becomes a wrapper.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Reviewed-by: Antoine Tenart <atenart@kernel.org>
Link: https://lore.kernel.org/r/20240206144313.2050392-9-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
exit_batch_rtnl() is called while RTNL is held,
and devices to be unregistered can be queued in the dev_kill_list.
This saves one rtnl_lock()/rtnl_unlock() pair per netns
and one unregister_netdevice_many() call per netns.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Antoine Tenart <atenart@kernel.org>
Link: https://lore.kernel.org/r/20240206144313.2050392-8-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
exit_batch_rtnl() is called while RTNL is held,
and devices to be unregistered can be queued in the dev_kill_list.
This saves one rtnl_lock()/rtnl_unlock() pair,
and one unregister_netdevice_many() call.
Note: it should be possible to remove the synchronize_net()
call from geneve_sock_release() in a future patch.
v4: move WARN_ON_ONCE(!list_empty(&gn->sock_list))
into geneve_exit_net(), after devices have been unregistered.
(Antoine Tenart feedback)
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Antoine Tenart <atenart@kernel.org>
Link: https://lore.kernel.org/r/20240206144313.2050392-7-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
exit_batch_rtnl() is called while RTNL is held,
and devices to be unregistered can be queued in the dev_kill_list.
This saves one rtnl_lock()/rtnl_unlock() pair,
and one unregister_netdevice_many() call.
v2: Added bond_net_pre_exit() method to make sure bond_destroy_sysfs()
is called before we unregister the devices in bond_net_exit_batch_rtnl
(Antoine Tenart : https://lore.kernel.org/netdev/170688415193.5216.10499830272732622816@kwain/)
Signed-off-by: Eric Dumazet <edumazet@google.com>
Acked-by: Jay Vosburgh <j.vosburgh@gmail.com>
Cc: Andy Gospodarek <andy@greyhouse.net>
Reviewed-by: Antoine Tenart <atenart@kernel.org>
Link: https://lore.kernel.org/r/20240206144313.2050392-6-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
exit_batch_rtnl() is called while RTNL is held,
and devices to be unregistered can be queued in the dev_kill_list.
This saves one rtnl_lock()/rtnl_unlock() pair,
and one unregister_netdevice_many() call.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Antoine Tenart <atenart@kernel.org>
Link: https://lore.kernel.org/r/20240206144313.2050392-5-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
exit_batch_rtnl() is called while RTNL is held.
This saves one rtnl_lock()/rtnl_unlock() pair.
We also need to create nexthop_net_exit()
to make sure net->nexthop.devhash is not freed too soon,
otherwise we will not be able to unregister netdev
from exit_batch_rtnl() methods.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Reviewed-by: Antoine Tenart <atenart@kernel.org>
Link: https://lore.kernel.org/r/20240206144313.2050392-4-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Many (struct pernet_operations)->exit_batch() methods have
to acquire rtnl.
In presence of rtnl mutex pressure, this makes cleanup_net()
very slow.
This patch adds a new exit_batch_rtnl() method to reduce
number of rtnl acquisitions from cleanup_net().
exit_batch_rtnl() handlers are called while rtnl is locked,
and devices to be killed can be queued in a list provided
as their second argument.
A single unregister_netdevice_many() is called right
before rtnl is released.
exit_batch_rtnl() handlers are called before ->exit() and
->exit_batch() handlers.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Antoine Tenart <atenart@kernel.org>
Link: https://lore.kernel.org/r/20240206144313.2050392-2-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Arınç ÜNAL says:
====================
MT7530 DSA Subdriver Improvements Act II
This is the second patch series with the goal of simplifying the MT7530 DSA
subdriver and improving support for MT7530, MT7531, and the switch on the
MT7988 SoC.
I have done a simple ping test to confirm basic communication on all switch
ports on MCM and standalone MT7530, and MT7531 switch with this patch
series applied.
MT7621 Unielec, MCM MT7530:
rgmii-only-gmac0-mt7621-unielec-u7621-06-16m.dtb
gmac0-and-gmac1-mt7621-unielec-u7621-06-16m.dtb
tftpboot 0x80008000 mips-uzImage.bin; tftpboot 0x83000000 mips-rootfs.cpio.uboot; tftpboot 0x83f00000 $dtb; bootm 0x80008000 0x83000000 0x83f00000
MT7622 Bananapi, MT7531:
gmac0-and-gmac1-mt7622-bananapi-bpi-r64.dtb
tftpboot 0x40000000 arm64-Image; tftpboot 0x45000000 arm64-rootfs.cpio.uboot; tftpboot 0x4a000000 $dtb; booti 0x40000000 0x45000000 0x4a000000
MT7623 Bananapi, standalone MT7530:
rgmii-only-gmac0-mt7623n-bananapi-bpi-r2.dtb
gmac0-and-gmac1-mt7623n-bananapi-bpi-r2.dtb
tftpboot 0x80008000 arm-zImage; tftpboot 0x83000000 arm-rootfs.cpio.uboot; tftpboot 0x83f00000 $dtb; bootz 0x80008000 0x83000000 0x83f00000
This patch series is the continuation of the patch series linked below.
https://lore.kernel.org/r/20230522121532.86610-1-arinc.unal@arinc9.com
Signed-off-by: Arınç ÜNAL <arinc.unal@arinc9.com>
====================
Link: https://lore.kernel.org/r/20240206-for-netnext-mt7530-improvements-2-v5-0-d7d92a185cb1@arinc9.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
There's no need to clear the config->supported_interfaces bitmap before
reporting the supported interfaces as all bits in the bitmap will already
be initialized to zero when the phylink_config structure is allocated. The
"config" pointer points to &dp->phylink_config, and "dp" is allocated by
dsa_port_touch() with kzalloc(), so all its fields are filled with zeroes.
There's no code that would change the bitmap beforehand. Remove it.
Acked-by: Daniel Golle <daniel@makrotopia.org>
Reviewed-by: Vladimir Oltean <olteanv@gmail.com>
Reviewed-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Signed-off-by: Arınç ÜNAL <arinc.unal@arinc9.com>
Link: https://lore.kernel.org/r/20240206-for-netnext-mt7530-improvements-2-v5-7-d7d92a185cb1@arinc9.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
On the switch on the MT7988 SoC, as shown in Block Diagram 8.1.1.3 on page
125 of "MT7988A Wi-Fi 7 Generation Router Platform: Datasheet (Open
Version) v0.1", there are only 4 PHYs. That's port 0 to 3. Set the case for
ports which connect to switch PHYs to '0 ... 3'.
Port 4 and 5 are not used at all in this design.
Link: https://wiki.banana-pi.org/Banana_Pi_BPI-R4#Documents [1]
Acked-by: Daniel Golle <daniel@makrotopia.org>
Reviewed-by: Vladimir Oltean <olteanv@gmail.com>
Signed-off-by: Arınç ÜNAL <arinc.unal@arinc9.com>
Link: https://lore.kernel.org/r/20240206-for-netnext-mt7530-improvements-2-v5-6-d7d92a185cb1@arinc9.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The pad_setup function pointer was introduced with 88bdef8be9f6 ("net: dsa:
mt7530: Extend device data ready for adding a new hardware"). It was being
used to set up the core clock and port 6 of the MT7530 switch, and pll of
the MT7531 switch.
All of these were moved to more appropriate locations, and it was never
used for the switch on the MT7988 SoC. Therefore, this function pointer
hasn't got a use anymore. Remove it.
Acked-by: Daniel Golle <daniel@makrotopia.org>
Reviewed-by: Vladimir Oltean <olteanv@gmail.com>
Reviewed-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Signed-off-by: Arınç ÜNAL <arinc.unal@arinc9.com>
Link: https://lore.kernel.org/r/20240206-for-netnext-mt7530-improvements-2-v5-5-d7d92a185cb1@arinc9.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
mt7530_pad_clk_setup() is called if port 6 is enabled. It used to do more
things than setting up port 6. That part was moved to more appropriate
locations, mt7530_setup() and mt7530_pll_setup().
Now that all it does is set up port 6, rename it to mt7530_setup_port6(),
and move it to a more appropriate location, under mt7530_mac_config().
Change mt7530_setup_port6() to void as there're no error cases.
Leave an empty mt7530_pad_clk_setup() to satisfy the pad_setup function
pointer.
This is the code path for setting up the ports before:
dsa_switch_ops :: phylink_mac_config() -> mt753x_phylink_mac_config()
-> mt753x_mac_config()
-> mt753x_info :: mac_port_config() -> mt7530_mac_config()
-> mt7530_setup_port5()
-> mt753x_pad_setup()
-> mt753x_info :: pad_setup() -> mt7530_pad_clk_setup()
This is after:
dsa_switch_ops :: phylink_mac_config() -> mt753x_phylink_mac_config()
-> mt753x_mac_config()
-> mt753x_info :: mac_port_config() -> mt7530_mac_config()
-> mt7530_setup_port5()
-> mt7530_setup_port6()
Reviewed-by: Vladimir Oltean <olteanv@gmail.com>
Reviewed-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Signed-off-by: Arınç ÜNAL <arinc.unal@arinc9.com>
Link: https://lore.kernel.org/r/20240206-for-netnext-mt7530-improvements-2-v5-4-d7d92a185cb1@arinc9.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This code is from before this driver was converted to phylink API. Phylink
deals with the unsupported interface cases before mt7530_pad_clk_setup() is
run. Therefore, the default case would never run. However, it must be
defined nonetheless to handle all the remaining enumeration values, the
phy-modes.
Switch to if statement for RGMII and return which simplifies the code and
saves an indent.
Set P6_INTF_MODE, which is the three least significant bits of the
MT7530_P6ECR register, to 0 for RGMII even though it will already be 0
after reset. This is to keep supporting dynamic reconfiguration of the port
in the case the interface changes from TRGMII to RGMII.
Disable the TRGMII clocks for all cases. They will be enabled if TRGMII is
being used.
Read XTAL after checking for RGMII as it's only needed for the TRGMII
interface mode.
Reviewed-by: Daniel Golle <daniel@makrotopia.org>
Reviewed-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Signed-off-by: Arınç ÜNAL <arinc.unal@arinc9.com>
Reviewed-by: Vladimir Oltean <olteanv@gmail.com>
Link: https://lore.kernel.org/r/20240206-for-netnext-mt7530-improvements-2-v5-3-d7d92a185cb1@arinc9.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The crystal frequency concerns the switch core. The frequency should be
checked when the switch is being set up so the driver can reject the
unsupported hardware earlier and without requiring port 6 to be used.
Move it to mt7530_setup(). Drop the unnecessary function printing.
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Vladimir Oltean <olteanv@gmail.com>
Reviewed-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Signed-off-by: Arınç ÜNAL <arinc.unal@arinc9.com>
Link: https://lore.kernel.org/r/20240206-for-netnext-mt7530-improvements-2-v5-2-d7d92a185cb1@arinc9.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
