Add a new WWAN port that connects to the device fastboot protocol
interface.
Signed-off-by: Jinjian Song <jinjian.song@fibocom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Matthew Wood says:
====================
netconsole: Add userdata append support
Add the ability to add custom userdata to every outbound netconsole message
as a collection of key/value pairs, allowing users to add metadata to every
netconsole message which can be used for for tagging, filtering, and
aggregating log messages.
In a previous patch series the ability to prepend the uname release was
added towards the goals above. This patch series builds on that
idea to allow any userdata, keyed by a user provided name, to be
included in netconsole messages.
If CONFIG_NETCONSOLE_DYNAMIC is enabled an additional userdata
directory will be presented in the netconsole configfs tree, allowing
the addition of userdata entries.
/sys/kernel/config/netconsole/
<target>/
enabled
release
dev_name
local_port
remote_port
local_ip
remote_ip
local_mac
remote_mac
userdata/
<key>/
value
<key>/
value
...
v1->v2:
* Updated netconsole_target docs, kdoc is now clean
v2->v3:
* Remove inline keyword from to_userdat* functions
* Break up some lines that exceeded 80 chars
* Replace typos and remove {} from single line if statement
* Remove unused variable
Testing for this series is as follows:
Build every patch without CONFIG_NETCONSOLE_DYNAMIC, and also built
with CONFIG_NETCONSOLE_DYNAMIC enabled for every patch after the config
option was added
Test Userdata configfs
# Adding userdata
cd /sys/kernel/config/netconsole/ && mkdir cmdline0 && cd cmdline0
mkdir userdata/release && echo hotfix1 > userdata/release/value
preview=$(for f in `ls userdata`; do echo $f=$(cat userdata/$f/value); done)
[[ "$preview" == $'release=hotfix1' ]] && echo pass || echo fail
mkdir userdata/testing && echo something > userdata/testing/value
preview=$(for f in `ls userdata`; do echo $f=$(cat userdata/$f/value); done)
[[ "$preview" == $'release=hotfix1\ntesting=something' ]] && echo pass || echo fail
#
# Removing Userdata
rmdir userdata/testing
preview=$(for f in `ls userdata`; do echo $f=$(cat userdata/$f/value); done)
[[ "$preview" == $'release=hotfix1' ]] && echo pass || echo fail
rmdir userdata/release
preview=$(for f in `ls userdata`; do echo $f=$(cat userdata/$f/value); done)
[[ "$preview" == $'' ]] && echo pass || echo fail
#
# Adding userdata key with too large of 6.7.0-rc8-virtme,12,481,17954104,-directory name [<54 chars]
mkdir userdata/testing12345678901234567890123456789012345678901234567890
[[ $? == 1 ]] && echo pass || echo fail
#
# Adding userdata value with too large of value [<200 chars]
mkdir userdata/testing
echo `for i in {1..201};do printf "%s" "v";done` > userdata/testing/value
[[ $? == 1 ]] && echo pass || echo fail
rmdir userdata/testing
- Output:
pass
pass
pass
pass
pass
mkdir: cannot create directory ‘cmdline0/userdata/testing12345678901234567890123456789012345678901234567890’: File name too long
pass
bash: echo: write error: Message too long
pass
Test netconsole messages (w/ msg fragmentation)
echo `for i in {1..996};do printf "%s" "v";done` > /dev/kmsg
- Output:
6.7.0-rc8-virtme,12,484,84321212,-,ncfrag=0/997;vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv6.7.0-rc8-virtme,12,484,84321212,-,ncfrag=952/997;vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv
Test empty userdatum
cd /sys/kernel/config/netconsole/ && mkdir cmdline0
mkdir cmdline0/userdata/empty
echo test > /dev/kmsg
rmdir cmdline0/userdata/empty
- Output:
Test netconsole messages (w/o userdata fragmentation)
cd /sys/kernel/config/netconsole/ && mkdir cmdline0
mkdir cmdline0/userdata/release && echo hotfix1 > cmdline0/userdata/release/value
mkdir cmdline0/userdata/testing && echo something > cmdline0/userdata/testing/value
echo test > /dev/kmsg
rmdir cmdline0/userdata/release
rmdir cmdline0/userdata/testing
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Regardless of whether the original message body or formatted userdata
exceeds the MAX_PRINT_CHUNK, append userdata to the netconsole message
starting with the first chunk that has available space after writing the
body.
Co-developed-by: Breno Leitao <leitao@debian.org>
Signed-off-by: Breno Leitao <leitao@debian.org>
Signed-off-by: Matthew Wood <thepacketgeek@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Append userdata to outgoing unfragmented (<1000 bytes) netconsole messages.
When sending messages the userdata string is already formatted and stored
in netconsole_target->userdata_complete.
Always write the outgoing message to buf, so userdata can be appended in
a standard fashion. This is a change from only using buf when the
release needs to be prepended to the message.
Co-developed-by: Breno Leitao <leitao@debian.org>
Signed-off-by: Breno Leitao <leitao@debian.org>
Signed-off-by: Matthew Wood <thepacketgeek@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Store a formatted string for userdata that will be appended to netconsole
messages. The string has a capacity of 4KB, as calculated by the userdatum
entry length of 256 bytes and a max of 16 userdata entries.
Update the stored netconsole_target->userdata_complete string with the new
formatted userdata values when a userdatum is created, edited, or
removed. Each userdata entry contains a trailing newline, which will be
formatted as such in netconsole messages::
6.7.0-rc8-virtme,12,500,1646292204,-;test
release=foo
something=bar
6.7.0-rc8-virtme,12,500,1646292204,-;another test
release=foo
something=bar
Enforcement of MAX_USERDATA_ITEMS is done in userdatum_make_item;
update_userdata will not check for this case but will skip any userdata
children over the limit of MAX_USERDATA_ITEMs.
If a userdata entry/dir is created but no value is provided, that entry
will be skipped. This is in part because update_userdata() can't be
called in userdatum_make_item() since the item will not have been added
to the userdata config_group children yet. To preserve the experience of
adding an empty userdata that doesn't show up in the netconsole
messages, purposefully skip empty userdata items even when
update_userdata() can be called.
Co-developed-by: Breno Leitao <leitao@debian.org>
Signed-off-by: Breno Leitao <leitao@debian.org>
Signed-off-by: Matthew Wood <thepacketgeek@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Create configfs machinery for netconsole userdata appending, which depends
on CONFIG_NETCONSOLE_DYNAMIC (for configfs interface). Add a userdata
config_group to netconsole_target for managing userdata entries as a tree
under the netconsole configfs subsystem. Directory names created under the
userdata directory become userdatum keys; the userdatum value is the
content of the value file.
Include the minimum-viable-changes for userdata configfs config_group.
init_target_config_group() ties in the complete configfs machinery to
avoid unused func/variable errors during build. Initializing the
netconsole_target->group is moved to init_target_config_group, which
will also init and add the userdata config_group.
Each userdatum entry has a limit of 256 bytes (54 for
the key/directory, 200 for the value, and 2 for '=' and '\n'
characters), which is enforced by the configfs functions for updating
the userdata config_group.
When a new netconsole_target is created, initialize the userdata
config_group and add it as a default group for netconsole_target
config_group, allowing the userdata configfs sub-tree to be presented
in the netconsole configfs tree under the userdata directory.
Co-developed-by: Breno Leitao <leitao@debian.org>
Signed-off-by: Breno Leitao <leitao@debian.org>
Signed-off-by: Matthew Wood <thepacketgeek@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add a new User Data section to the netconsole docs to describe the
appending of user data capability (for netconsole dynamic configuration)
with usage and netconsole output examples.
Co-developed-by: Breno Leitao <leitao@debian.org>
Signed-off-by: Breno Leitao <leitao@debian.org>
Signed-off-by: Matthew Wood <thepacketgeek@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Move newline trimming logic from `dev_name_store()` to a new function
(trim_newline()) for shared use in netconsole.c
Signed-off-by: Matthew Wood <thepacketgeek@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
In order to support a nested userdata config_group in later patches,
use a config_group for netconsole_target instead of a
config_item. It's a no-op functionality-wise, since
config_group maintains all features of a config_item via the cg_item
member.
Signed-off-by: Matthew Wood <thepacketgeek@gmail.com>
Reviewed-by: Breno Leitao <leitao@debian.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Address checkpatch lint suggestions in preparation for later changes
Signed-off-by: Matthew Wood <thepacketgeek@gmail.com>
Reviewed-by: Breno Leitao <leitao@debian.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
for_each_netdev_dump() can be used with RCU protection,
no need for rtnl if we are going to use dev_hold()/dev_put().
Signed-off-by: Eric Dumazet <edumazet@google.com>
Link: https://lore.kernel.org/r/20240207153514.3640952-1-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Tony Nguyen says:
====================
Intel Wired LAN Driver Updates 2024-02-06 (ixgbe)
This series contains updates to ixgbe driver only.
Jedrzej continues cleanup work from conversion away from ixgbe_status;
s32 values are changed to int, various style issues are addressed, and
some return statements refactored to address some smatch warnings.
* '10GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/next-queue:
ixgbe: Clarify the values of the returning status
ixgbe: Rearrange args to fix reverse Christmas tree
ixgbe: Convert ret val type from s32 to int
====================
Link: https://lore.kernel.org/r/20240206214054.1002919-1-anthony.l.nguyen@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Biju Das says:
====================
Add HW checksum offload support for RZ/G2L GbEthernet IP
This patch series aims to add HW checksum offload supported by TOE module
found on the RZ/G2L Gb ethernet IP.
TOE has hardware support for calculating IP header and TCP/UDP/ICMP
checksum for both IPv4 and IPv6.
For Rx, the 4-byte result of checksum calculation is attached to the
Ethernet frames.First 2-bytes is result of IPv4 header checksum and next
2-bytes is TCP/UDP/ICMP checksum.
If a frame does not have checksum error, 0x0000 is attached as checksum
calculation result. For unsupported frames 0xFFFF is attached as checksum
calculation result. In case of an IPv6 packet, IPv4 checksum is always set
to 0xFFFF.
For Tx, the result of checksum calculation is set to the checksum field of
each IPv4 Header/TCP/UDP/ICMP of ethernet frames. For the unsupported
frames, those fields are not changed. If a transmission frame is an UDPv4
frame and its checksum value in the UDP header field is 0x0000, TOE does
not calculate checksum for UDP part of this frame as it is optional
function as per standards.
Add Tx/Rx checksum offload supported by TOE for IPv4 and TCP/UDP protocols.
Results of iperf3 in Mbps
RZ/V2L:
TCP(Tx/Rx) results with checksum offload Enabled: {921,932}
TCP(Tx/Rx) results with checksum offload Disabled: {867,612}
UDP(Tx/Rx) results with checksum offload Enabled: {950,946}
UDP(Tx/Rx) results with checksum offload Disabled: {952,920}
RZ/G2L:
TCP(Tx/Rx) results with checksum offload Enabled: {920,936}
TCP(Tx/Rx) results with checksum offload Disabled: {871,626}
UDP(Tx/Rx) results with checksum offload Enabled: {953,950}
UDP(Tx/Rx) results with checksum offload Disabled: {954,920}
RZ/G2LC:
TCP(Tx/Rx) results with checksum offload Enabled: {927,936}
TCP(Tx/Rx) results with checksum offload Disabled: {889,626}
UDP(Tx/Rx) results with checksum offload Enabled: {950,946}
UDP(Tx/Rx) results with checksum offload Disabled: {949,944}
====================
Link: https://lore.kernel.org/r/20240207092838.160627-1-biju.das.jz@bp.renesas.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
TOE has hardware support for calculating IP header and TCP/UDP/ICMP
checksum for both IPv4 and IPv6.
Add Tx checksum offload supported by TOE for IPv4 and TCP/UDP.
For Tx, the result of checksum calculation is set to the checksum field of
each IPv4 Header/TCP/UDP/ICMP of ethernet frames. For the unsupported
frames, those fields are not changed. If a transmission frame is an UDPv4
frame and its checksum value in the UDP header field is 0x0000, TOE does
not calculate checksum for UDP part of this frame as it is optional
function as per standards.
We can test this functionality by the below commands
ethtool -K eth0 tx on --> to turn on Tx checksum offload
ethtool -K eth0 tx off --> to turn off Tx checksum offload
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Sergey Shtylyov <s.shtylyov@omp.ru>
Link: https://lore.kernel.org/r/20240207092838.160627-3-biju.das.jz@bp.renesas.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
TOE has hardware support for calculating IP header and TCP/UDP/ICMP
checksum for both IPv4 and IPv6.
Add Rx checksum offload supported by TOE for IPv4 and TCP/UDP protocols.
For Rx, the 4-byte result of checksum calculation is attached to the
Ethernet frames.First 2-bytes is result of IPv4 header checksum and next
2-bytes is TCP/UDP/ICMP checksum.
If a frame does not have checksum error, 0x0000 is attached as checksum
calculation result. For unsupported frames 0xFFFF is attached as checksum
calculation result. In case of an IPv6 packet, IPv4 checksum is always set
to 0xFFFF.
We can test this functionality by the below commands
ethtool -K eth0 rx on --> to turn on Rx checksum offload
ethtool -K eth0 rx off --> to turn off Rx checksum offload
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Sergey Shtylyov <s.shtylyov@omp.ru>
Link: https://lore.kernel.org/r/20240207092838.160627-2-biju.das.jz@bp.renesas.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The variable capability is being assigned a value that is never
read and is being re-assigned later. The assignment is redundant and
can be removed. Also remove empty line before assignment to capability.
Cleans up clang scan build warning:
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c:1189:2: warning:
Value stored to 'capability' 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/20240206115049.1879389-1-colin.i.king@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
In commit 759ab1edb5 ("net: store netdevs in an xarray")
Jakub added net->dev_by_index to map ifindex to netdevices.
We can get rid of the old hash table (net->dev_index_head),
one patch at a time, if performance is acceptable.
This patch removes unpleasant code to something more readable.
As a bonus, /proc/net/dev gets netdevices sorted by their ifindex.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Link: https://lore.kernel.org/r/20240207165318.3814525-1-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Convert EEE handling to use linkmode bitmaps. This prepares for removing
the legacy bitmaps from struct ethtool_keee. No functional change
intended. When replacing _bnxt_fw_to_ethtool_adv_spds() with
_bnxt_fw_to_linkmode(), remove the fw_pause argument because it's
always passed as 0.
Note:
There's a discussion on whether the underlying implementation is correct,
but it's independent of this mechanical conversion w/o functional change.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Reviewed-by: Michael Chan <michael.chan@broadcom.com>
Link: https://lore.kernel.org/r/9123bf18-a0d0-404e-a7c4-d6c466b4c5e8@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Variable opaque_fid is being assigned twice with the same value
in two identical statements. Remove the redundant first assignment.
Cleans up clang scan build warning:
drivers/net/ethernet/qlogic/qed/qed_rdma.c:1796:2: warning: Value
stored to 'opaque_fid' 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/20240205215530.1851115-1-colin.i.king@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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 f86ad77faf ("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
38cc3c6dcc ("net: stmmac: protect updates of 64-bit statistics counters")
fd5a6a7131 ("net: stmmac: est: Per Tx-queue error count for HLBF")
c5c3e1bfc9 ("net: stmmac: Offload queueMaxSDU from tc-taprio")
drivers/net/wireless/microchip/wilc1000/netdev.c
c901388028 ("wifi: fill in MODULE_DESCRIPTION()s for wilc1000")
328efda22a ("wifi: wilc1000: do not realloc workqueue everytime an interface is added")
net/unix/garbage.c
11498715f2 ("af_unix: Remove io_uring code for GC.")
1279f9d9de ("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: 7400b06396 ("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: 3c4287f620 ("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: f718863aca ("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: 6291b3a67a ("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: c3e1b005ed ("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: 3087c3f7c2 ("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: eff3c558bb ("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.
3caa4af834 ("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: 4a71df5004 ("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: 97f7cf1cd8 ("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: dd78428786 ("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 744d23c71a ("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: 744d23c71a ("net: phy: Warn about incorrect mdio_bus_phy_resume() state")
Fixes: fba863b816 ("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 744d23c71a ("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: 744d23c71a ("net: phy: Warn about incorrect mdio_bus_phy_resume() state")
Fixes: fba863b816 ("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: 9dad402b89 ("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>
