| Commit message (Collapse) | Author | Age | Files | Lines |
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git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Paolo Abeni:
"Including fixes from netfilter, wireless and ebpf.
Current release - regressions:
- netfilter: conntrack: gre: don't set assured flag for clash entries
- wifi: iwlwifi: remove 'use_tfh' config to fix crash
Previous releases - regressions:
- ipv6: fix a potential refcount underflow for idev
- icmp6: ifix null-ptr-deref of ip6_null_entry->rt6i_idev in
icmp6_dev()
- bpf: fix max stack depth check for async callbacks
- eth: mlx5e:
- check for NOT_READY flag state after locking
- fix page_pool page fragment tracking for XDP
- eth: igc:
- fix tx hang issue when QBV gate is closed
- fix corner cases for TSN offload
- eth: octeontx2-af: Move validation of ptp pointer before its usage
- eth: ena: fix shift-out-of-bounds in exponential backoff
Previous releases - always broken:
- core: prevent skb corruption on frag list segmentation
- sched:
- cls_fw: fix improper refcount update leads to use-after-free
- sch_qfq: account for stab overhead in qfq_enqueue
- netfilter:
- report use refcount overflow
- prevent OOB access in nft_byteorder_eval
- wifi: mt7921e: fix init command fail with enabled device
- eth: ocelot: fix oversize frame dropping for preemptible TCs
- eth: fec: recycle pages for transmitted XDP frames"
* tag 'net-6.5-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (79 commits)
selftests: tc-testing: add test for qfq with stab overhead
net/sched: sch_qfq: account for stab overhead in qfq_enqueue
selftests: tc-testing: add tests for qfq mtu sanity check
net/sched: sch_qfq: reintroduce lmax bound check for MTU
wifi: cfg80211: fix receiving mesh packets without RFC1042 header
wifi: rtw89: debug: fix error code in rtw89_debug_priv_send_h2c_set()
net: txgbe: fix eeprom calculation error
net/sched: make psched_mtu() RTNL-less safe
net: ena: fix shift-out-of-bounds in exponential backoff
netdevsim: fix uninitialized data in nsim_dev_trap_fa_cookie_write()
net/sched: flower: Ensure both minimum and maximum ports are specified
MAINTAINERS: Add another mailing list for QUALCOMM ETHQOS ETHERNET DRIVER
docs: netdev: update the URL of the status page
wifi: iwlwifi: remove 'use_tfh' config to fix crash
xdp: use trusted arguments in XDP hints kfuncs
bpf: cpumap: Fix memory leak in cpu_map_update_elem
wifi: airo: avoid uninitialized warning in airo_get_rate()
octeontx2-pf: Add additional check for MCAM rules
net: dsa: Removed unneeded of_node_put in felix_parse_ports_node
net: fec: use netdev_err_once() instead of netdev_err()
...
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If there is a failure during rtw89_fw_h2c_raw() rtw89_debug_priv_send_h2c
should return negative error code instead of a positive value count.
Fix this bug by returning correct error code.
Fixes: e3ec7017f6a2 ("rtw89: add Realtek 802.11ax driver")
Signed-off-by: Zhang Shurong <zhang_shurong@foxmail.com>
Acked-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://lore.kernel.org/r/tencent_AD09A61BC4DA92AD1EB0790F5C850E544D07@qq.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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For some device types like TXGBE_ID_XAUI, *checksum computed in
txgbe_calc_eeprom_checksum() is larger than TXGBE_EEPROM_SUM. Remove the
limit on the size of *checksum.
Fixes: 049fe5365324 ("net: txgbe: Add operations to interact with firmware")
Fixes: 5e2ea7801fac ("net: txgbe: Fix unsigned comparison to zero in txgbe_calc_eeprom_checksum()")
Signed-off-by: Jiawen Wu <jiawenwu@trustnetic.com>
Link: https://lore.kernel.org/r/20230711063414.3311-1-jiawenwu@trustnetic.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The ENA adapters on our instances occasionally reset. Once recently
logged a UBSAN failure to console in the process:
UBSAN: shift-out-of-bounds in build/linux/drivers/net/ethernet/amazon/ena/ena_com.c:540:13
shift exponent 32 is too large for 32-bit type 'unsigned int'
CPU: 28 PID: 70012 Comm: kworker/u72:2 Kdump: loaded not tainted 5.15.117
Hardware name: Amazon EC2 c5d.9xlarge/, BIOS 1.0 10/16/2017
Workqueue: ena ena_fw_reset_device [ena]
Call Trace:
<TASK>
dump_stack_lvl+0x4a/0x63
dump_stack+0x10/0x16
ubsan_epilogue+0x9/0x36
__ubsan_handle_shift_out_of_bounds.cold+0x61/0x10e
? __const_udelay+0x43/0x50
ena_delay_exponential_backoff_us.cold+0x16/0x1e [ena]
wait_for_reset_state+0x54/0xa0 [ena]
ena_com_dev_reset+0xc8/0x110 [ena]
ena_down+0x3fe/0x480 [ena]
ena_destroy_device+0xeb/0xf0 [ena]
ena_fw_reset_device+0x30/0x50 [ena]
process_one_work+0x22b/0x3d0
worker_thread+0x4d/0x3f0
? process_one_work+0x3d0/0x3d0
kthread+0x12a/0x150
? set_kthread_struct+0x50/0x50
ret_from_fork+0x22/0x30
</TASK>
Apparently, the reset delays are getting so large they can trigger a
UBSAN panic.
Looking at the code, the current timeout is capped at 5000us. Using a
base value of 100us, the current code will overflow after (1<<29). Even
at values before 32, this function wraps around, perhaps
unintentionally.
Cap the value of the exponent used for this backoff at (1<<16) which is
larger than currently necessary, but large enough to support bigger
values in the future.
Cc: stable@vger.kernel.org
Fixes: 4bb7f4cf60e3 ("net: ena: reduce driver load time")
Signed-off-by: Krister Johansen <kjlx@templeofstupid.com>
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
Reviewed-by: Shay Agroskin <shayagr@amazon.com>
Link: https://lore.kernel.org/r/20230711013621.GE1926@templeofstupid.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The simple_write_to_buffer() function is designed to handle partial
writes. It returns negatives on error, otherwise it returns the number
of bytes that were able to be copied. This code doesn't check the
return properly. We only know that the first byte is written, the rest
of the buffer might be uninitialized.
There is no need to use the simple_write_to_buffer() function.
Partial writes are prohibited by the "if (*ppos != 0)" check at the
start of the function. Just use memdup_user() and copy the whole
buffer.
Fixes: d3cbb907ae57 ("netdevsim: add ACL trap reporting cookie as a metadata")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Reviewed-by: Pavan Chebbi <pavan.chebbi@broadcom.com>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Link: https://lore.kernel.org/r/7c1f950b-3a7d-4252-82a6-876e53078ef7@moroto.mountain
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/net-queue
Tony Nguyen says:
====================
igc: Fix corner cases for TSN offload
Florian Kauer says:
The igc driver supports several different offloading capabilities
relevant in the TSN context. Recent patches in this area introduced
regressions for certain corner cases that are fixed in this series.
Each of the patches (except the first one) addresses a different
regression that can be separately reproduced. Still, they have
overlapping code changes so they should not be separately applied.
Especially #4 and #6 address the same observation,
but both need to be applied to avoid TX hang occurrences in
the scenario described in the patches.
====================
Signed-off-by: Florian Kauer <florian.kauer@linutronix.de>
Reviewed-by: Kurt Kanzenbach <kurt@linutronix.de>
Acked-by: Vinicius Costa Gomes <vinicius.gomes@intel.com>
Reviewed-by: Muhammad Husaini Zulkifli <muhammad.husaini.zulkifli@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The insertion of an empty frame was introduced with
commit db0b124f02ba ("igc: Enhance Qbv scheduling by using first flag bit")
in order to ensure that the current cycle has at least one packet if
there is some packet to be scheduled for the next cycle.
However, the current implementation does not properly check if
a packet is already scheduled for the current cycle. Currently,
an empty packet is always inserted if and only if
txtime >= end_of_cycle && txtime > last_tx_cycle
but since last_tx_cycle is always either the end of the current
cycle (end_of_cycle) or the end of a previous cycle, the
second part (txtime > last_tx_cycle) is always true unless
txtime == last_tx_cycle.
What actually needs to be checked here is if the last_tx_cycle
was already written within the current cycle, so an empty frame
should only be inserted if and only if
txtime >= end_of_cycle && end_of_cycle > last_tx_cycle.
This patch does not only avoid an unnecessary insertion, but it
can actually be harmful to insert an empty packet if packets
are already scheduled in the current cycle, because it can lead
to a situation where the empty packet is actually processed
as the first packet in the upcoming cycle shifting the packet
with the first_flag even one cycle into the future, finally leading
to a TX hang.
The TX hang can be reproduced on a i225 with:
sudo tc qdisc replace dev enp1s0 parent root handle 100 taprio \
num_tc 1 \
map 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 \
queues 1@0 \
base-time 0 \
sched-entry S 01 300000 \
flags 0x1 \
txtime-delay 500000 \
clockid CLOCK_TAI
sudo tc qdisc replace dev enp1s0 parent 100:1 etf \
clockid CLOCK_TAI \
delta 500000 \
offload \
skip_sock_check
and traffic generator
sudo trafgen -i traffic.cfg -o enp1s0 --cpp -n0 -q -t1400ns
with traffic.cfg
#define ETH_P_IP 0x0800
{
/* Ethernet Header */
0x30, 0x1f, 0x9a, 0xd0, 0xf0, 0x0e, # MAC Dest - adapt as needed
0x24, 0x5e, 0xbe, 0x57, 0x2e, 0x36, # MAC Src - adapt as needed
const16(ETH_P_IP),
/* IPv4 Header */
0b01000101, 0, # IPv4 version, IHL, TOS
const16(1028), # IPv4 total length (UDP length + 20 bytes (IP header))
const16(2), # IPv4 ident
0b01000000, 0, # IPv4 flags, fragmentation off
64, # IPv4 TTL
17, # Protocol UDP
csumip(14, 33), # IPv4 checksum
/* UDP Header */
10, 0, 48, 1, # IP Src - adapt as needed
10, 0, 48, 10, # IP Dest - adapt as needed
const16(5555), # UDP Src Port
const16(6666), # UDP Dest Port
const16(1008), # UDP length (UDP header 8 bytes + payload length)
csumudp(14, 34), # UDP checksum
/* Payload */
fill('W', 1000),
}
and the observed message with that is for example
igc 0000:01:00.0 enp1s0: Detected Tx Unit Hang
Tx Queue <0>
TDH <32>
TDT <3c>
next_to_use <3c>
next_to_clean <32>
buffer_info[next_to_clean]
time_stamp <ffff26a8>
next_to_watch <00000000632a1828>
jiffies <ffff27f8>
desc.status <1048000>
Fixes: db0b124f02ba ("igc: Enhance Qbv scheduling by using first flag bit")
Signed-off-by: Florian Kauer <florian.kauer@linutronix.de>
Reviewed-by: Kurt Kanzenbach <kurt@linutronix.de>
Tested-by: Naama Meir <naamax.meir@linux.intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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It is possible (verified on a running system) that frames are processed
by igc_tx_launchtime with a txtime before the start of the cycle
(baset_est).
However, the result of txtime - baset_est is written into a u32,
leading to a wrap around to a positive number. The following
launchtime > 0 check will only branch to executing launchtime = 0
if launchtime is already 0.
Fix it by using a s32 before checking launchtime > 0.
Fixes: db0b124f02ba ("igc: Enhance Qbv scheduling by using first flag bit")
Signed-off-by: Florian Kauer <florian.kauer@linutronix.de>
Reviewed-by: Kurt Kanzenbach <kurt@linutronix.de>
Tested-by: Naama Meir <naamax.meir@linux.intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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The flags IGC_TXQCTL_STRICT_CYCLE and IGC_TXQCTL_STRICT_END
prevent the packet transmission over slot and cycle boundaries.
This is important for taprio offload where the slots and
cycles correspond to the slots and cycles configured for the
network.
However, the Qbv offload feature of the i225 is also used for
enabling TX launchtime / ETF offload. In that case, however,
the cycle has no meaning for the network and is only used
internally to adapt the base time register after a second has
passed.
Enabling strict mode in this case would unnecessarily prevent
the transmission of certain packets (i.e. at the boundary of a
second) and thus interferes with the ETF qdisc that promises
transmission at a certain point in time.
Similar to ETF, this also applies to CBS offload that also should
not be influenced by strict mode unless taprio offload would be
enabled at the same time.
This fully reverts
commit d8f45be01dd9 ("igc: Use strict cycles for Qbv scheduling")
but its commit message only describes what was already implemented
before that commit. The difference to a plain revert of that commit
is that it now copes with the base_time = 0 case that was fixed with
commit e17090eb2494 ("igc: allow BaseTime 0 enrollment for Qbv")
In particular, enabling strict mode leads to TX hang situations
under high traffic if taprio is applied WITHOUT taprio offload
but WITH ETF offload, e.g. as in
sudo tc qdisc replace dev enp1s0 parent root handle 100 taprio \
num_tc 1 \
map 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 \
queues 1@0 \
base-time 0 \
sched-entry S 01 300000 \
flags 0x1 \
txtime-delay 500000 \
clockid CLOCK_TAI
sudo tc qdisc replace dev enp1s0 parent 100:1 etf \
clockid CLOCK_TAI \
delta 500000 \
offload \
skip_sock_check
and traffic generator
sudo trafgen -i traffic.cfg -o enp1s0 --cpp -n0 -q -t1400ns
with traffic.cfg
#define ETH_P_IP 0x0800
{
/* Ethernet Header */
0x30, 0x1f, 0x9a, 0xd0, 0xf0, 0x0e, # MAC Dest - adapt as needed
0x24, 0x5e, 0xbe, 0x57, 0x2e, 0x36, # MAC Src - adapt as needed
const16(ETH_P_IP),
/* IPv4 Header */
0b01000101, 0, # IPv4 version, IHL, TOS
const16(1028), # IPv4 total length (UDP length + 20 bytes (IP header))
const16(2), # IPv4 ident
0b01000000, 0, # IPv4 flags, fragmentation off
64, # IPv4 TTL
17, # Protocol UDP
csumip(14, 33), # IPv4 checksum
/* UDP Header */
10, 0, 48, 1, # IP Src - adapt as needed
10, 0, 48, 10, # IP Dest - adapt as needed
const16(5555), # UDP Src Port
const16(6666), # UDP Dest Port
const16(1008), # UDP length (UDP header 8 bytes + payload length)
csumudp(14, 34), # UDP checksum
/* Payload */
fill('W', 1000),
}
and the observed message with that is for example
igc 0000:01:00.0 enp1s0: Detected Tx Unit Hang
Tx Queue <0>
TDH <d0>
TDT <f0>
next_to_use <f0>
next_to_clean <d0>
buffer_info[next_to_clean]
time_stamp <ffff661f>
next_to_watch <00000000245a4efb>
jiffies <ffff6e48>
desc.status <1048000>
Fixes: d8f45be01dd9 ("igc: Use strict cycles for Qbv scheduling")
Signed-off-by: Florian Kauer <florian.kauer@linutronix.de>
Reviewed-by: Kurt Kanzenbach <kurt@linutronix.de>
Tested-by: Naama Meir <naamax.meir@linux.intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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Since commit e17090eb2494 ("igc: allow BaseTime 0 enrollment for Qbv")
it is possible to enable taprio offload with a basetime of 0.
However, the check if taprio offload is already enabled (and thus -EALREADY
should be returned for igc_save_qbv_schedule) still relied on
adapter->base_time > 0.
This can be reproduced as follows:
# TAPRIO offload (flags == 0x2) and base-time = 0
sudo tc qdisc replace dev enp1s0 parent root handle 100 stab overhead 24 taprio \
num_tc 1 \
map 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 \
queues 1@0 \
base-time 0 \
sched-entry S 01 300000 \
flags 0x2
# The second call should fail with "Error: Device failed to setup taprio offload."
# But that only happens if base-time was != 0
sudo tc qdisc replace dev enp1s0 parent root handle 100 stab overhead 24 taprio \
num_tc 1 \
map 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 \
queues 1@0 \
base-time 0 \
sched-entry S 01 300000 \
flags 0x2
Fixes: e17090eb2494 ("igc: allow BaseTime 0 enrollment for Qbv")
Signed-off-by: Florian Kauer <florian.kauer@linutronix.de>
Reviewed-by: Kurt Kanzenbach <kurt@linutronix.de>
Tested-by: Naama Meir <naamax.meir@linux.intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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Only set adapter->taprio_offload_enable after validating the arguments.
Otherwise, it stays set even if the offload was not enabled.
Since the subsequent code does not get executed in case of invalid
arguments, it will not be read at first.
However, by activating and then deactivating another offload
(e.g. ETF/TX launchtime offload), taprio_offload_enable is read
and erroneously keeps the offload feature of the NIC enabled.
This can be reproduced as follows:
# TAPRIO offload (flags == 0x2) and negative base-time leading to expected -ERANGE
sudo tc qdisc replace dev enp1s0 parent root handle 100 stab overhead 24 taprio \
num_tc 1 \
map 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 \
queues 1@0 \
base-time -1000 \
sched-entry S 01 300000 \
flags 0x2
# IGC_TQAVCTRL is 0x0 as expected (iomem=relaxed for reading register)
sudo pcimem /sys/bus/pci/devices/0000:01:00.0/resource0 0x3570 w*1
# Activate ETF offload
sudo tc qdisc replace dev enp1s0 parent root handle 6666 mqprio \
num_tc 3 \
map 2 2 1 0 2 2 2 2 2 2 2 2 2 2 2 2 \
queues 1@0 1@1 2@2 \
hw 0
sudo tc qdisc add dev enp1s0 parent 6666:1 etf \
clockid CLOCK_TAI \
delta 500000 \
offload
# IGC_TQAVCTRL is 0x9 as expected
sudo pcimem /sys/bus/pci/devices/0000:01:00.0/resource0 0x3570 w*1
# Deactivate ETF offload again
sudo tc qdisc delete dev enp1s0 parent 6666:1
# IGC_TQAVCTRL should now be 0x0 again, but is observed as 0x9
sudo pcimem /sys/bus/pci/devices/0000:01:00.0/resource0 0x3570 w*1
Fixes: e17090eb2494 ("igc: allow BaseTime 0 enrollment for Qbv")
Signed-off-by: Florian Kauer <florian.kauer@linutronix.de>
Reviewed-by: Kurt Kanzenbach <kurt@linutronix.de>
Tested-by: Naama Meir <naamax.meir@linux.intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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In the current implementation the flags adapter->qbv_enable
and IGC_FLAG_TSN_QBV_ENABLED have a similar name, but do not
have the same meaning. The first one is used only to indicate
taprio offload (i.e. when igc_save_qbv_schedule was called),
while the second one corresponds to the Qbv mode of the hardware.
However, the second one is also used to support the TX launchtime
feature, i.e. ETF qdisc offload. This leads to situations where
adapter->qbv_enable is false, but the flag IGC_FLAG_TSN_QBV_ENABLED
is set. This is prone to confusion.
The rename should reduce this confusion. Since it is a pure
rename, it has no impact on functionality.
Fixes: e17090eb2494 ("igc: allow BaseTime 0 enrollment for Qbv")
Signed-off-by: Florian Kauer <florian.kauer@linutronix.de>
Reviewed-by: Kurt Kanzenbach <kurt@linutronix.de>
Tested-by: Naama Meir <naamax.meir@linux.intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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This is equivalent to 'gen2', and it was always confusing to have
two identical config entries. The split config patch actually had
been originally developed after removing 'use_tfh" and didn't add
the use_tfh in the new configs as they'd later been copied to the
new files. Thus the easiest way to fix the init crash here now is
to just remove use_tfh (which is erroneously unset in most of the
configs now) and use 'gen2' in the code instead.
There's possibly still an unwind error in iwl_txq_gen2_init() as
it crashes if TXQ 0 fails to initialize, but we can deal with it
later since the original failure is due to the use_tfh confusion.
Tested-by: Xi Ruoyao <xry111@xry111.site>
Reported-and-tested-by: Niklāvs Koļesņikovs <pinkflames.linux@gmail.com>
Reported-and-tested-by: Jeff Chua <jeff.chua.linux@gmail.com>
Reported-and-tested-by: Zhang Rui <rui.zhang@intel.com>
Link: https://bugzilla.kernel.org/show_bug.cgi?id=217622
Link: https://lore.kernel.org/all/9274d9bd3d080a457649ff5addcc1726f08ef5b2.camel@xry111.site/
Link: https://lore.kernel.org/all/CAAJw_Zug6VCS5ZqTWaFSr9sd85k%3DtyPm9DEE%2BmV%3DAKoECZM%2BsQ@mail.gmail.com/
Fixes: 19898ce9cf8a ("wifi: iwlwifi: split 22000.c into multiple files")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Link: https://lore.kernel.org/r/20230710145038.84186-2-johannes@sipsolutions.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Quieten a gcc (11.3.0) build error or warning by checking the function
call status and returning -EBUSY if the function call failed.
This is similar to what several other wireless drivers do for the
SIOCGIWRATE ioctl call when there is a locking problem.
drivers/net/wireless/cisco/airo.c: error: 'status_rid.currentXmitRate' is used uninitialized [-Werror=uninitialized]
Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Reported-by: Geert Uytterhoeven <geert@linux-m68k.org>
Link: https://lore.kernel.org/r/39abf2c7-24a-f167-91da-ed4c5435d1c4@linux-m68k.org
Link: https://lore.kernel.org/r/20230709133154.26206-1-rdunlap@infradead.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Due to hardware limitation, MCAM drop rule with
ether_type == 802.1Q and vlan_id == 0 is not supported. Hence rejecting
such rules.
Fixes: dce677da57c0 ("octeontx2-pf: Add vlan-etype to ntuple filters")
Signed-off-by: Suman Ghosh <sumang@marvell.com>
Link: https://lore.kernel.org/r/20230710103027.2244139-1-sumang@marvell.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Remove unnecessary of_node_put from the continue path to prevent
child node from being released twice, which could avoid resource
leak or other unexpected issues.
Signed-off-by: Lu Hongfei <luhongfei@vivo.com>
Reviewed-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Fixes: de879a016a94 ("net: dsa: felix: add functionality when not all ports are supported")
Link: https://lore.kernel.org/r/20230710031859.36784-1-luhongfei@vivo.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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In the case of heavy XDP traffic to be transmitted, the console
will print the error log continuously if there are lack of enough
BDs to accommodate the frames. The log looks like below.
[ 160.013112] fec 30be0000.ethernet eth0: NOT enough BD for SG!
[ 160.023116] fec 30be0000.ethernet eth0: NOT enough BD for SG!
[ 160.028926] fec 30be0000.ethernet eth0: NOT enough BD for SG!
[ 160.038946] fec 30be0000.ethernet eth0: NOT enough BD for SG!
[ 160.044758] fec 30be0000.ethernet eth0: NOT enough BD for SG!
Not only will this log be replicated and redundant, it will also
degrade XDP performance. So we use netdev_err_once() instead of
netdev_err() now.
Fixes: 6d6b39f180b8 ("net: fec: add initial XDP support")
Signed-off-by: Wei Fang <wei.fang@nxp.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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When the XDP feature is enabled and with heavy XDP frames to be
transmitted, there is a considerable probability that available
tx BDs are insufficient. This will lead to some XDP frames to be
discarded and the "NOT enough BD for SG!" error log will appear
in the console (as shown below).
[ 160.013112] fec 30be0000.ethernet eth0: NOT enough BD for SG!
[ 160.023116] fec 30be0000.ethernet eth0: NOT enough BD for SG!
[ 160.028926] fec 30be0000.ethernet eth0: NOT enough BD for SG!
[ 160.038946] fec 30be0000.ethernet eth0: NOT enough BD for SG!
[ 160.044758] fec 30be0000.ethernet eth0: NOT enough BD for SG!
In the case of heavy XDP traffic, sometimes the speed of recycling
tx BDs may be slower than the speed of sending XDP frames. There
may be several specific reasons, such as the interrupt is not
responsed in time, the efficiency of the NAPI callback function is
too low due to all the queues (tx queues and rx queues) share the
same NAPI, and so on.
After trying various methods, I think that increase the size of tx
BD ring is simple and effective. Maybe the best resolution is that
allocate NAPI for each queue to improve the efficiency of the NAPI
callback, but this change is a bit big and I didn't try this method.
Perheps this method will be implemented in a future patch.
This patch also updates the tx_wake_threshold of tx ring which is
related to the size of tx ring in the previous logic. Otherwise,
the tx_wake_threshold will be too high (403 BDs), which is more
likely to impact the slow path in the case of heavy XDP traffic,
because XDP path and slow path share the tx BD rings. According
to Jakub's suggestion, the tx_wake_threshold is at least equal to
tx_stop_threshold + 2 * MAX_SKB_FRAGS, if a queue of hundreds of
entries is overflowing, we should be able to apply a hysteresis
of a few tens of entries.
Fixes: 6d6b39f180b8 ("net: fec: add initial XDP support")
Signed-off-by: Wei Fang <wei.fang@nxp.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Once the XDP frames have been successfully transmitted through the
ndo_xdp_xmit() interface, it's the driver responsibility to free
the frames so that the page_pool can recycle the pages and reuse
them. However, this action is not implemented in the fec driver.
This leads to a user-visible problem that the console will print
the following warning log.
[ 157.568851] page_pool_release_retry() stalled pool shutdown 1389 inflight 60 sec
[ 217.983446] page_pool_release_retry() stalled pool shutdown 1389 inflight 120 sec
[ 278.399006] page_pool_release_retry() stalled pool shutdown 1389 inflight 181 sec
[ 338.812885] page_pool_release_retry() stalled pool shutdown 1389 inflight 241 sec
[ 399.226946] page_pool_release_retry() stalled pool shutdown 1389 inflight 302 sec
Therefore, to solve this issue, we free XDP frames via xdp_return_frame()
while cleaning the tx BD ring.
Fixes: 6d6b39f180b8 ("net: fec: add initial XDP support")
Signed-off-by: Wei Fang <wei.fang@nxp.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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When a XDP program is installed or uninstalled, fec_restart() will
be invoked to reset MAC and buffer descriptor rings. It's reasonable
not to transmit any packet during the process of reset. However, the
NETDEV_XDP_ACT_NDO_XMIT bit of xdp_features is enabled by default,
that is to say, it's possible that the fec_enet_xdp_xmit() will be
invoked even if the process of reset is not finished. In this case,
the redirected XDP frames might be dropped and available transmit BDs
may be incorrectly deemed insufficient. So this patch disable the
NETDEV_XDP_ACT_NDO_XMIT feature by default and dynamically configure
this feature when the bpf program is installed or uninstalled.
Fixes: e4ac7cc6e5a4 ("net: fec: turn on XDP features")
Signed-off-by: Wei Fang <wei.fang@nxp.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Current codebase contained the usage of two different names for this
driver (i.e., `gvnic` and `gve`), which is quite unfriendly for users
to use, especially when trying to bind or unbind the driver manually.
The corresponding kernel module is registered with the name of `gve`.
It's more reasonable to align the name of the driver with the module.
Fixes: 893ce44df565 ("gve: Add basic driver framework for Compute Engine Virtual NIC")
Cc: csully@google.com
Signed-off-by: Junfeng Guo <junfeng.guo@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add check for the return value of skb_copy in order to avoid NULL pointer
dereference.
Fixes: 2cd548566384 ("net: dsa: qca8k: add support for phy read/write with mgmt Ethernet")
Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn>
Reviewed-by: Pavan Chebbi <pavan.chebbi@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The blamed commit introduces usage of fixed_phy_register() but
not a corresponding dependency on FIXED_PHY.
This can result in a build failure.
s390-linux-ld: drivers/net/ethernet/microchip/lan743x_main.o: in function `lan743x_phy_open':
drivers/net/ethernet/microchip/lan743x_main.c:1514: undefined reference to `fixed_phy_register'
Fixes: 624864fbff92 ("net: lan743x: add fixed phy support for LAN7431 device")
Cc: stable@vger.kernel.org
Reported-by: Randy Dunlap <rdunlap@infradead.org>
Closes: https://lore.kernel.org/netdev/725bf1c5-b252-7d19-7582-a6809716c7d6@infradead.org/
Reviewed-by: Randy Dunlap <rdunlap@infradead.org>
Tested-by: Randy Dunlap <rdunlap@infradead.org> # build-tested
Signed-off-by: Simon Horman <horms@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Turning IRQs off is done by accessing Ethernet controller registers.
That can't be done until device's clock is enabled. It results in a SoC
hang otherwise.
This bug remained unnoticed for years as most bootloaders keep all
Ethernet interfaces turned on. It seems to only affect a niche SoC
family BCM47189. It has two Ethernet controllers but CFE bootloader uses
only the first one.
Fixes: 34322615cbaa ("net: bgmac: Mask interrupts during probe")
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Reviewed-by: Michal Kubiak <michal.kubiak@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Remove the probe error path code that leaves the driver bound
to the device, but with essentially a dead device. This was
useful maybe twice early in the driver's life and no longer
makes sense to keep.
Fixes: 30a1e6d0f8e2 ("ionic: keep ionic dev on lif init fail")
Signed-off-by: Shannon Nelson <shannon.nelson@amd.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Remove unnecessary early code development check and the WARN_ON
that it uses. The irq alloc and free paths have long been
cleaned up and this check shouldn't have stuck around so long.
Fixes: 77ceb68e29cc ("ionic: Add notifyq support")
Signed-off-by: Nitya Sunkad <nitya.sunkad@amd.com>
Signed-off-by: Shannon Nelson <shannon.nelson@amd.com>
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Moved PTP pointer validation before its use to avoid smatch warning.
Also used kzalloc/kfree instead of devm_kzalloc/devm_kfree.
Fixes: 2ef4e45d99b1 ("octeontx2-af: Add PTP PPS Errata workaround on CN10K silicon")
Signed-off-by: Naveen Mamindlapalli <naveenm@marvell.com>
Signed-off-by: Sunil Goutham <sgoutham@marvell.com>
Signed-off-by: Sai Krishna <saikrishnag@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In legacy silicon, promiscuous mode is only modified
through CGX mbox messages. In CN10KB silicon, it is modified
from CGX mbox and NIX. This breaks legacy application
behaviour. Fix this by removing call from NIX.
Fixes: d6c9784baf59 ("octeontx2-af: Invoke exact match functions if supported")
Signed-off-by: Ratheesh Kannoth <rkannoth@marvell.com>
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
Reviewed-by: Michal Kubiak <michal.kubiak@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/net-queue
Tony Nguyen says:
====================
Intel Wired LAN Driver Updates 2023-07-05 (igc)
This series contains updates to igc driver only.
Husaini adds check to increment Qbv change error counter only on taprio
Qbvs. He also removes delay during Tx ring configuration and
resolves Tx hang that could occur when transmitting on a gate to be
closed.
Prasad Koya reports ethtool link mode as TP (twisted pair).
Tee Min corrects value for max SDU.
Aravindhan ensures that registers for PPS are always programmed to occur
in future.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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I225/6 hardware can be programmed to start PPS output once
the time in Target Time registers is reached. The time
programmed in these registers should always be into future.
Only then PPS output is triggered when SYSTIM register
reaches the programmed value. There are two modes in i225/6
hardware to program PPS, pulse and clock mode.
There were issues reported where PPS is not generated when
start time is in past.
Example 1, "echo 0 0 0 2 0 > /sys/class/ptp/ptp0/period"
In the current implementation, a value of '0' is programmed
into Target time registers and PPS output is in pulse mode.
Eventually an interrupt which is triggered upon SYSTIM
register reaching Target time is not fired. Thus no PPS
output is generated.
Example 2, "echo 0 0 0 1 0 > /sys/class/ptp/ptp0/period"
Above case, a value of '0' is programmed into Target time
registers and PPS output is in clock mode. Here, HW tries to
catch-up the current time by incrementing Target Time
register. This catch-up time seem to vary according to
programmed PPS period time as per the HW design. In my
experiments, the delay ranged between few tens of seconds to
few minutes. The PPS output is only generated after the
Target time register reaches current time.
In my experiments, I also observed PPS stopped working with
below test and could not recover until module is removed and
loaded again.
1) echo 0 <future time> 0 1 0 > /sys/class/ptp/ptp1/period
2) echo 0 0 0 1 0 > /sys/class/ptp/ptp1/period
3) echo 0 0 0 1 0 > /sys/class/ptp/ptp1/period
After this PPS did not work even if i re-program with proper
values. I could only get this back working by reloading the
driver.
This patch takes care of calculating and programming
appropriate future time value into Target Time registers.
Fixes: 5e91c72e560c ("igc: Fix PPS delta between two synchronized end-points")
Signed-off-by: Aravindhan Gunasekaran <aravindhan.gunasekaran@intel.com>
Reviewed-by: Muhammad Husaini Zulkifli <muhammad.husaini.zulkifli@intel.com>
Tested-by: Naama Meir <naamax.meir@linux.intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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IEEE 802.1Q does not have clear definitions of what constitutes an
SDU (Service Data Unit), but IEEE Std 802.3 clause 3.1.2 does define
the MAC service primitives and clause 3.2.7 does define the MAC Client
Data for Q-tagged frames.
It shows that the mac_service_data_unit (MSDU) does NOT contain the
preamble, destination and source address, or FCS. The MSDU does contain
the length/type field, MAC client data, VLAN tag and any padding
data (prior to the FCS).
Thus, the maximum 802.3 frame size that is allowed to be transmitted
should be QueueMaxSDU (MSDU) + 16 (6 byte SA + 6 byte DA + 4 byte FCS).
Fixes: 92a0dcb8427d ("igc: offload queue max SDU from tc-taprio")
Signed-off-by: Tan Tee Min <tee.min.tan@linux.intel.com>
Reviewed-by: Muhammad Husaini Zulkifli <muhammad.husaini.zulkifli@intel.com>
Tested-by: Naama Meir <naamax.meir@linux.intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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ethtool_link_ksettings
set TP bit in the 'supported' and 'advertising' fields. i225/226 parts
only support twisted pair copper.
Fixes: 8c5ad0dae93c ("igc: Add ethtool support")
Signed-off-by: Prasad Koya <prasad@arista.com>
Acked-by: Sasha Neftin <sasha.neftin@intel.com>
Tested-by: Naama Meir <naamax.meir@linux.intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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If a user schedules a Gate Control List (GCL) to close one of
the QBV gates while also transmitting a packet to that closed gate,
TX Hang will be happen. HW would not drop any packet when the gate
is closed and keep queuing up in HW TX FIFO until the gate is re-opened.
This patch implements the solution to drop the packet for the closed
gate.
This patch will also reset the adapter to perform SW initialization
for each 1st Gate Control List (GCL) to avoid hang.
This is due to the HW design, where changing to TSN transmit mode
requires SW initialization. Intel Discrete I225/6 transmit mode
cannot be changed when in dynamic mode according to Software User
Manual Section 7.5.2.1. Subsequent Gate Control List (GCL) operations
will proceed without a reset, as they already are in TSN Mode.
Step to reproduce:
DUT:
1) Configure GCL List with certain gate close.
BASE=$(date +%s%N)
tc qdisc replace dev $IFACE parent root handle 100 taprio \
num_tc 4 \
map 0 1 2 3 3 3 3 3 3 3 3 3 3 3 3 3 \
queues 1@0 1@1 1@2 1@3 \
base-time $BASE \
sched-entry S 0x8 500000 \
sched-entry S 0x4 500000 \
flags 0x2
2) Transmit the packet to closed gate. You may use udp_tai
application to transmit UDP packet to any of the closed gate.
./udp_tai -i <interface> -P 100000 -p 90 -c 1 -t <0/1> -u 30004
Fixes: ec50a9d437f0 ("igc: Add support for taprio offloading")
Co-developed-by: Tan Tee Min <tee.min.tan@linux.intel.com>
Signed-off-by: Tan Tee Min <tee.min.tan@linux.intel.com>
Tested-by: Chwee Lin Choong <chwee.lin.choong@intel.com>
Signed-off-by: Muhammad Husaini Zulkifli <muhammad.husaini.zulkifli@intel.com>
Tested-by: Naama Meir <naamax.meir@linux.intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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Remove unnecessary delay during the TX ring configuration.
This will cause delay, especially during link down and
link up activity.
Furthermore, old SKUs like as I225 will call the reset_adapter
to reset the controller during TSN mode Gate Control List (GCL)
setting. This will add more time to the configuration of the
real-time use case.
It doesn't mentioned about this delay in the Software User Manual.
It might have been ported from legacy code I210 in the past.
Fixes: 13b5b7fd6a4a ("igc: Add support for Tx/Rx rings")
Signed-off-by: Muhammad Husaini Zulkifli <muhammad.husaini.zulkifli@intel.com>
Acked-by: Sasha Neftin <sasha.neftin@intel.com>
Tested-by: Naama Meir <naamax.meir@linux.intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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Add condition to increase the qbv counter during taprio qbv
configuration only.
There might be a case when TC already been setup then user configure
the ETF/CBS qdisc and this counter will increase if no condition above.
Fixes: ae4fe4698300 ("igc: Add qbv_config_change_errors counter")
Signed-off-by: Muhammad Husaini Zulkifli <muhammad.husaini.zulkifli@intel.com>
Tested-by: Naama Meir <naamax.meir@linux.intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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Current duplex mode was unset in the driver, resulting in the default
parameter being set to 0, which corresponds to half duplex. It might
mislead users to have incorrect expectation about the driver's
transmission capabilities.
Set the default duplex configuration to full, as the driver runs in
full duplex mode at this point.
Fixes: 7e074d5a76ca ("gve: Enable Link Speed Reporting in the driver.")
Signed-off-by: Junfeng Guo <junfeng.guo@intel.com>
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
Message-ID: <20230706044128.2726747-1-junfeng.guo@intel.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/net-queue
Tony Nguyen says:
====================
Intel Wired LAN Driver Updates 2023-07-05 (ice)
This series contains updates to ice driver only.
Sridhar fixes incorrect comparison of max Tx rate limit to occur against
each TC value rather than the aggregate. He also resolves an issue with
the wrong VSI being used when setting max Tx rate when TCs are enabled.
* '100GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/net-queue:
ice: Fix tx queue rate limit when TCs are configured
ice: Fix max_rate check while configuring TX rate limits
====================
Link: https://lore.kernel.org/r/20230705201346.49370-1-anthony.l.nguyen@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Configuring tx_maxrate via sysfs interface
/sys/class/net/eth0/queues/tx-1/tx_maxrate was not working when
TCs are configured because always main VSI was being used. Fix by
using correct VSI in ice_set_tx_maxrate when TCs are configured.
Fixes: 1ddef455f4a8 ("ice: Add NDO callback to set the maximum per-queue bitrate")
Signed-off-by: Sridhar Samudrala <sridhar.samudrala@intel.com>
Signed-off-by: Sudheer Mogilappagari <sudheer.mogilappagari@intel.com>
Tested-by: Bharathi Sreenivas <bharathi.sreenivas@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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Remove incorrect check in ice_validate_mqprio_opt() that limits
filter configuration when sum of max_rates of all TCs exceeds
the link speed. The max rate of each TC is unrelated to value
used by other TCs and is valid as long as it is less than link
speed.
Fixes: fbc7b27af0f9 ("ice: enable ndo_setup_tc support for mqprio_qdisc")
Signed-off-by: Sridhar Samudrala <sridhar.samudrala@intel.com>
Signed-off-by: Sudheer Mogilappagari <sudheer.mogilappagari@intel.com>
Tested-by: Bharathi Sreenivas <bharathi.sreenivas@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux
Saeed Mahameed says:
====================
mlx5 fixes 2023-07-05
This series provides bug fixes to mlx5 driver.
* tag 'mlx5-fixes-2023-07-05' of git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux:
net/mlx5e: RX, Fix page_pool page fragment tracking for XDP
net/mlx5: Query hca_cap_2 only when supported
net/mlx5e: TC, CT: Offload ct clear only once
net/mlx5e: Check for NOT_READY flag state after locking
net/mlx5: Register a unique thermal zone per device
net/mlx5e: RX, Fix flush and close release flow of regular rq for legacy rq
net/mlx5e: fix memory leak in mlx5e_ptp_open
net/mlx5e: fix memory leak in mlx5e_fs_tt_redirect_any_create
net/mlx5e: fix double free in mlx5e_destroy_flow_table
====================
Link: https://lore.kernel.org/r/20230705175757.284614-1-saeed@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Currently mlx5e releases pages directly to the page_pool for XDP_TX and
does page fragment counting for XDP_REDIRECT. RX pages from the
page_pool are leaking on XDP_REDIRECT because the xdp core will release
only one fragment out of MLX5E_PAGECNT_BIAS_MAX and subsequently the page
is marked as "skip release" which avoids the driver release.
A fix would be to take an extra fragment for XDP_REDIRECT and not set the
"skip release" bit so that the release on the driver side can handle the
remaining bias fragments. But this would be a shortsighted solution.
Instead, this patch converges the two XDP paths (XDP_TX and XDP_REDIRECT) to
always do fragment tracking. The "skip release" bit is no longer
necessary for XDP.
Fixes: 6f5742846053 ("net/mlx5e: RX, Enable skb page recycling through the page_pool")
Signed-off-by: Dragos Tatulea <dtatulea@nvidia.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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On vport enable, where fw's hca caps are queried, the driver queries
hca_caps_2 without checking if fw truly supports them, causing a false
failure of vfs vport load and blocking SRIOV enablement on old devices
such as CX4 where hca_caps_2 support is missing.
Thus, add a check for the said caps support before accessing them.
Fixes: e5b9642a33be ("net/mlx5: E-Switch, Implement devlink port function cmds to control migratable")
Signed-off-by: Maher Sanalla <msanalla@nvidia.com>
Reviewed-by: Shay Drory <shayd@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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Non-clear CT action causes a flow rule split, while CT clear action
doesn't and is just a header-rewrite to the current flow rule.
But ct offload is done in post_parse and is per ct action instance,
so ct clear offload is parsed multiple times, while its deleted once.
Fix this by post_parsing the ct action only once per flow attribute
(which is per flow rule) by using a offloaded ct_attr flag.
Fixes: 08fe94ec5f77 ("net/mlx5e: TC, Remove special handling of CT action")
Signed-off-by: Paul Blakey <paulb@nvidia.com>
Signed-off-by: Yevgeny Kliteynik <kliteyn@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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Currently the check for NOT_READY flag is performed before obtaining the
necessary lock. This opens a possibility for race condition when the flow
is concurrently removed from unready_flows list by the workqueue task,
which causes a double-removal from the list and a crash[0]. Fix the issue
by moving the flag check inside the section protected by
uplink_priv->unready_flows_lock mutex.
[0]:
[44376.389654] general protection fault, probably for non-canonical address 0xdead000000000108: 0000 [#1] SMP
[44376.391665] CPU: 7 PID: 59123 Comm: tc Not tainted 6.4.0-rc4+ #1
[44376.392984] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.13.0-0-gf21b5a4aeb02-prebuilt.qemu.org 04/01/2014
[44376.395342] RIP: 0010:mlx5e_tc_del_fdb_flow+0xb3/0x340 [mlx5_core]
[44376.396857] Code: 00 48 8b b8 68 ce 02 00 e8 8a 4d 02 00 4c 8d a8 a8 01 00 00 4c 89 ef e8 8b 79 88 e1 48 8b 83 98 06 00 00 48 8b 93 90 06 00 00 <48> 89 42 08 48 89 10 48 b8 00 01 00 00 00 00 ad de 48 89 83 90 06
[44376.399167] RSP: 0018:ffff88812cc97570 EFLAGS: 00010246
[44376.399680] RAX: dead000000000122 RBX: ffff8881088e3800 RCX: ffff8881881bac00
[44376.400337] RDX: dead000000000100 RSI: ffff88812cc97500 RDI: ffff8881242f71b0
[44376.401001] RBP: ffff88811cbb0940 R08: 0000000000000400 R09: 0000000000000001
[44376.401663] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88812c944000
[44376.402342] R13: ffff8881242f71a8 R14: ffff8881222b4000 R15: 0000000000000000
[44376.402999] FS: 00007f0451104800(0000) GS:ffff88852cb80000(0000) knlGS:0000000000000000
[44376.403787] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[44376.404343] CR2: 0000000000489108 CR3: 0000000123a79003 CR4: 0000000000370ea0
[44376.405004] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[44376.405665] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[44376.406339] Call Trace:
[44376.406651] <TASK>
[44376.406939] ? die_addr+0x33/0x90
[44376.407311] ? exc_general_protection+0x192/0x390
[44376.407795] ? asm_exc_general_protection+0x22/0x30
[44376.408292] ? mlx5e_tc_del_fdb_flow+0xb3/0x340 [mlx5_core]
[44376.408876] __mlx5e_tc_del_fdb_peer_flow+0xbc/0xe0 [mlx5_core]
[44376.409482] mlx5e_tc_del_flow+0x42/0x210 [mlx5_core]
[44376.410055] mlx5e_flow_put+0x25/0x50 [mlx5_core]
[44376.410529] mlx5e_delete_flower+0x24b/0x350 [mlx5_core]
[44376.411043] tc_setup_cb_reoffload+0x22/0x80
[44376.411462] fl_reoffload+0x261/0x2f0 [cls_flower]
[44376.411907] ? mlx5e_rep_indr_setup_ft_cb+0x160/0x160 [mlx5_core]
[44376.412481] ? mlx5e_rep_indr_setup_ft_cb+0x160/0x160 [mlx5_core]
[44376.413044] tcf_block_playback_offloads+0x76/0x170
[44376.413497] tcf_block_unbind+0x7b/0xd0
[44376.413881] tcf_block_setup+0x17d/0x1c0
[44376.414269] tcf_block_offload_cmd.isra.0+0xf1/0x130
[44376.414725] tcf_block_offload_unbind+0x43/0x70
[44376.415153] __tcf_block_put+0x82/0x150
[44376.415532] ingress_destroy+0x22/0x30 [sch_ingress]
[44376.415986] qdisc_destroy+0x3b/0xd0
[44376.416343] qdisc_graft+0x4d0/0x620
[44376.416706] tc_get_qdisc+0x1c9/0x3b0
[44376.417074] rtnetlink_rcv_msg+0x29c/0x390
[44376.419978] ? rep_movs_alternative+0x3a/0xa0
[44376.420399] ? rtnl_calcit.isra.0+0x120/0x120
[44376.420813] netlink_rcv_skb+0x54/0x100
[44376.421192] netlink_unicast+0x1f6/0x2c0
[44376.421573] netlink_sendmsg+0x232/0x4a0
[44376.421980] sock_sendmsg+0x38/0x60
[44376.422328] ____sys_sendmsg+0x1d0/0x1e0
[44376.422709] ? copy_msghdr_from_user+0x6d/0xa0
[44376.423127] ___sys_sendmsg+0x80/0xc0
[44376.423495] ? ___sys_recvmsg+0x8b/0xc0
[44376.423869] __sys_sendmsg+0x51/0x90
[44376.424226] do_syscall_64+0x3d/0x90
[44376.424587] entry_SYSCALL_64_after_hwframe+0x46/0xb0
[44376.425046] RIP: 0033:0x7f045134f887
[44376.425403] Code: 0a 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
[44376.426914] RSP: 002b:00007ffd63a82b98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[44376.427592] RAX: ffffffffffffffda RBX: 000000006481955f RCX: 00007f045134f887
[44376.428195] RDX: 0000000000000000 RSI: 00007ffd63a82c00 RDI: 0000000000000003
[44376.428796] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
[44376.429404] R10: 00007f0451208708 R11: 0000000000000246 R12: 0000000000000001
[44376.430039] R13: 0000000000409980 R14: 000000000047e538 R15: 0000000000485400
[44376.430644] </TASK>
[44376.430907] Modules linked in: mlx5_ib mlx5_core act_mirred act_tunnel_key cls_flower vxlan dummy sch_ingress openvswitch nsh rpcrdma rdma_ucm ib_iser libiscsi scsi_transport_iscsi ib_umad rdma_cm ib_ipoib iw_cm ib_cm ib_uverbs ib_core xt_conntrack xt_MASQUERADE nf_conntrack_netlink nfnetlink xt_addrtype iptable_nat nf_nat br_netfilter rpcsec_g
ss_krb5 auth_rpcgss oid_registry overlay zram zsmalloc fuse [last unloaded: mlx5_core]
[44376.433936] ---[ end trace 0000000000000000 ]---
[44376.434373] RIP: 0010:mlx5e_tc_del_fdb_flow+0xb3/0x340 [mlx5_core]
[44376.434951] Code: 00 48 8b b8 68 ce 02 00 e8 8a 4d 02 00 4c 8d a8 a8 01 00 00 4c 89 ef e8 8b 79 88 e1 48 8b 83 98 06 00 00 48 8b 93 90 06 00 00 <48> 89 42 08 48 89 10 48 b8 00 01 00 00 00 00 ad de 48 89 83 90 06
[44376.436452] RSP: 0018:ffff88812cc97570 EFLAGS: 00010246
[44376.436924] RAX: dead000000000122 RBX: ffff8881088e3800 RCX: ffff8881881bac00
[44376.437530] RDX: dead000000000100 RSI: ffff88812cc97500 RDI: ffff8881242f71b0
[44376.438179] RBP: ffff88811cbb0940 R08: 0000000000000400 R09: 0000000000000001
[44376.438786] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88812c944000
[44376.439393] R13: ffff8881242f71a8 R14: ffff8881222b4000 R15: 0000000000000000
[44376.439998] FS: 00007f0451104800(0000) GS:ffff88852cb80000(0000) knlGS:0000000000000000
[44376.440714] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[44376.441225] CR2: 0000000000489108 CR3: 0000000123a79003 CR4: 0000000000370ea0
[44376.441843] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[44376.442471] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Fixes: ad86755b18d5 ("net/mlx5e: Protect unready flows with dedicated lock")
Signed-off-by: Vlad Buslov <vladbu@nvidia.com>
Reviewed-by: Roi Dayan <roid@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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Prior to this patch only one "mlx5" thermal zone could have been
registered regardless of the number of individual mlx5 devices in the
system.
To fix this setup a unique name per device to register its own thermal
zone.
In order to not register a thermal zone for a virtual device (VF/SF) add
a check for PF device type.
The new name is a concatenation between "mlx5_" and "<PCI_DEV_BDF>", which
will also help associating a thermal zone with its PCI device.
$ lspci | grep ConnectX
00:04.0 Ethernet controller: Mellanox Technologies MT2892 Family [ConnectX-6 Dx]
00:05.0 Ethernet controller: Mellanox Technologies MT2892 Family [ConnectX-6 Dx]
$ cat /sys/devices/virtual/thermal/thermal_zone0/type
mlx5_0000:00:04.0
$ cat /sys/devices/virtual/thermal/thermal_zone1/type
mlx5_0000:00:05.0
Fixes: c1fef618d611 ("net/mlx5: Implement thermal zone")
CC: Sandipan Patra <spatra@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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Regular (non-XSK) RQs get flushed on XSK setup and re-activated on XSK
close. If the same regular RQ is closed (a config change for example)
soon after the XSK close, a double release occurs because the missing
wqes get released a second time.
Fixes: 3f93f82988bc ("net/mlx5e: RX, Defer page release in legacy rq for better recycling")
Signed-off-by: Dragos Tatulea <dtatulea@nvidia.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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When kvzalloc_node or kvzalloc failed in mlx5e_ptp_open, the memory
pointed by "c" or "cparams" is not freed, which can lead to a memory
leak. Fix by freeing the array in the error path.
Fixes: 145e5637d941 ("net/mlx5e: Add TX PTP port object support")
Signed-off-by: Zhengchao Shao <shaozhengchao@huawei.com>
Reviewed-by: Rahul Rameshbabu <rrameshbabu@nvidia.com>
Reviewed-by: Gal Pressman <gal@nvidia.com>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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The memory pointed to by the fs->any pointer is not freed in the error
path of mlx5e_fs_tt_redirect_any_create, which can lead to a memory leak.
Fix by freeing the memory in the error path, thereby making the error path
identical to mlx5e_fs_tt_redirect_any_destroy().
Fixes: 0f575c20bf06 ("net/mlx5e: Introduce Flow Steering ANY API")
Signed-off-by: Zhengchao Shao <shaozhengchao@huawei.com>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Reviewed-by: Rahul Rameshbabu <rrameshbabu@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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In function accel_fs_tcp_create_groups(), when the ft->g memory is
successfully allocated but the 'in' memory fails to be allocated, the
memory pointed to by ft->g is released once. And in function
accel_fs_tcp_create_table, mlx5e_destroy_flow_table is called to release
the memory pointed to by ft->g again. This will cause double free problem.
Fixes: c062d52ac24c ("net/mlx5e: Receive flow steering framework for accelerated TCP flows")
Signed-off-by: Zhengchao Shao <shaozhengchao@huawei.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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For some cases as below, we may encounter the unpreditable chip stats
in driver probe()
* The system reboot flow do not work properly, such as kernel oops while
rebooting, and then the driver do not go back to default status at
this moment.
* Similar to the flow above. If the device was enabled in BIOS or UEFI,
the system may switch to Linux without driver fully shutdown.
To avoid the problem, force push the device back to default in probe()
* mt7921e_mcu_fw_pmctrl() : return control privilege to chip side.
* mt7921_wfsys_reset() : cleanup chip config before resource init.
Error log
[59007.600714] mt7921e 0000:02:00.0: ASIC revision: 79220010
[59010.889773] mt7921e 0000:02:00.0: Message 00000010 (seq 1) timeout
[59010.889786] mt7921e 0000:02:00.0: Failed to get patch semaphore
[59014.217839] mt7921e 0000:02:00.0: Message 00000010 (seq 2) timeout
[59014.217852] mt7921e 0000:02:00.0: Failed to get patch semaphore
[59017.545880] mt7921e 0000:02:00.0: Message 00000010 (seq 3) timeout
[59017.545893] mt7921e 0000:02:00.0: Failed to get patch semaphore
[59020.874086] mt7921e 0000:02:00.0: Message 00000010 (seq 4) timeout
[59020.874099] mt7921e 0000:02:00.0: Failed to get patch semaphore
[59024.202019] mt7921e 0000:02:00.0: Message 00000010 (seq 5) timeout
[59024.202033] mt7921e 0000:02:00.0: Failed to get patch semaphore
[59027.530082] mt7921e 0000:02:00.0: Message 00000010 (seq 6) timeout
[59027.530096] mt7921e 0000:02:00.0: Failed to get patch semaphore
[59030.857888] mt7921e 0000:02:00.0: Message 00000010 (seq 7) timeout
[59030.857904] mt7921e 0000:02:00.0: Failed to get patch semaphore
[59034.185946] mt7921e 0000:02:00.0: Message 00000010 (seq 8) timeout
[59034.185961] mt7921e 0000:02:00.0: Failed to get patch semaphore
[59037.514249] mt7921e 0000:02:00.0: Message 00000010 (seq 9) timeout
[59037.514262] mt7921e 0000:02:00.0: Failed to get patch semaphore
[59040.842362] mt7921e 0000:02:00.0: Message 00000010 (seq 10) timeout
[59040.842375] mt7921e 0000:02:00.0: Failed to get patch semaphore
[59040.923845] mt7921e 0000:02:00.0: hardware init failed
Cc: stable@vger.kernel.org
Fixes: 5c14a5f944b9 ("mt76: mt7921: introduce mt7921e support")
Tested-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Tested-by: Juan Martinez <juan.martinez@amd.com>
Co-developed-by: Leon Yen <leon.yen@mediatek.com>
Signed-off-by: Leon Yen <leon.yen@mediatek.com>
Signed-off-by: Quan Zhou <quan.zhou@mediatek.com>
Signed-off-by: Deren Wu <deren.wu@mediatek.com>
Message-ID: <39fcb7cee08d4ab940d38d82f21897483212483f.1688569385.git.deren.wu@mediatek.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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