Commit Graph

982974 Commits

Author SHA1 Message Date
Guvenc Gulce
07d51580ff net/smc: Add connection counters for links
Add connection counters to the structure of the link.
Increase/decrease the counters as needed in the corresponding
routines.

Signed-off-by: Guvenc Gulce <guvenc@linux.ibm.com>
Signed-off-by: Karsten Graul <kgraul@linux.ibm.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-12-01 17:56:12 -08:00
Guvenc Gulce
8b2f0f44f0 net/smc: Use active link of the connection
Use active link of the connection directly and not
via linkgroup array structure when obtaining link
data of the connection.

Signed-off-by: Guvenc Gulce <guvenc@linux.ibm.com>
Signed-off-by: Karsten Graul <kgraul@linux.ibm.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-12-01 17:56:12 -08:00
Karsten Graul
8cf3f3e423 net/smc: use helper smc_conn_abort() in listen processing
The helper smc_connect_abort() can be used by the listen processing
functions, too. And rename this helper to smc_conn_abort() to make the
purpose clearer.
No functional change.

Signed-off-by: Karsten Graul <kgraul@linux.ibm.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-12-01 17:56:12 -08:00
Rohit Maheshwari
d31c080075 net/tls: make sure tls offload sets salt_size
Recent changes made to remove AES constants started using protocol
aware salt_size. ctx->prot_info's salt_size is filled in tls sw case,
but not in tls offload mode, and was working so far because of the
hard coded value was used.

Fixes: 6942a284fb ("net/tls: make inline helpers protocol-aware")
Signed-off-by: Rohit Maheshwari <rohitm@chelsio.com>
Link: https://lore.kernel.org/r/20201201090752.27355-1-rohitm@chelsio.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-12-01 17:51:30 -08:00
Eric Dumazet
4179b00c04 geneve: pull IP header before ECN decapsulation
IP_ECN_decapsulate() and IP6_ECN_decapsulate() assume
IP header is already pulled.

geneve does not ensure this yet.

Fixing this generically in IP_ECN_decapsulate() and
IP6_ECN_decapsulate() is not possible, since callers
pass a pointer that might be freed by pskb_may_pull()

syzbot reported :

BUG: KMSAN: uninit-value in __INET_ECN_decapsulate include/net/inet_ecn.h:238 [inline]
BUG: KMSAN: uninit-value in INET_ECN_decapsulate+0x345/0x1db0 include/net/inet_ecn.h:260
CPU: 1 PID: 8941 Comm: syz-executor.0 Not tainted 5.10.0-rc4-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x21c/0x280 lib/dump_stack.c:118
 kmsan_report+0xf7/0x1e0 mm/kmsan/kmsan_report.c:118
 __msan_warning+0x5f/0xa0 mm/kmsan/kmsan_instr.c:197
 __INET_ECN_decapsulate include/net/inet_ecn.h:238 [inline]
 INET_ECN_decapsulate+0x345/0x1db0 include/net/inet_ecn.h:260
 geneve_rx+0x2103/0x2980 include/net/inet_ecn.h:306
 geneve_udp_encap_recv+0x105c/0x1340 drivers/net/geneve.c:377
 udp_queue_rcv_one_skb+0x193a/0x1af0 net/ipv4/udp.c:2093
 udp_queue_rcv_skb+0x282/0x1050 net/ipv4/udp.c:2167
 udp_unicast_rcv_skb net/ipv4/udp.c:2325 [inline]
 __udp4_lib_rcv+0x399d/0x5880 net/ipv4/udp.c:2394
 udp_rcv+0x5c/0x70 net/ipv4/udp.c:2564
 ip_protocol_deliver_rcu+0x572/0xc50 net/ipv4/ip_input.c:204
 ip_local_deliver_finish net/ipv4/ip_input.c:231 [inline]
 NF_HOOK include/linux/netfilter.h:301 [inline]
 ip_local_deliver+0x583/0x8d0 net/ipv4/ip_input.c:252
 dst_input include/net/dst.h:449 [inline]
 ip_rcv_finish net/ipv4/ip_input.c:428 [inline]
 NF_HOOK include/linux/netfilter.h:301 [inline]
 ip_rcv+0x5c3/0x840 net/ipv4/ip_input.c:539
 __netif_receive_skb_one_core net/core/dev.c:5315 [inline]
 __netif_receive_skb+0x1ec/0x640 net/core/dev.c:5429
 process_backlog+0x523/0xc10 net/core/dev.c:6319
 napi_poll+0x420/0x1010 net/core/dev.c:6763
 net_rx_action+0x35c/0xd40 net/core/dev.c:6833
 __do_softirq+0x1a9/0x6fa kernel/softirq.c:298
 asm_call_irq_on_stack+0xf/0x20
 </IRQ>
 __run_on_irqstack arch/x86/include/asm/irq_stack.h:26 [inline]
 run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:77 [inline]
 do_softirq_own_stack+0x6e/0x90 arch/x86/kernel/irq_64.c:77
 do_softirq kernel/softirq.c:343 [inline]
 __local_bh_enable_ip+0x184/0x1d0 kernel/softirq.c:195
 local_bh_enable+0x36/0x40 include/linux/bottom_half.h:32
 rcu_read_unlock_bh include/linux/rcupdate.h:730 [inline]
 __dev_queue_xmit+0x3a9b/0x4520 net/core/dev.c:4167
 dev_queue_xmit+0x4b/0x60 net/core/dev.c:4173
 packet_snd net/packet/af_packet.c:2992 [inline]
 packet_sendmsg+0x86f9/0x99d0 net/packet/af_packet.c:3017
 sock_sendmsg_nosec net/socket.c:651 [inline]
 sock_sendmsg net/socket.c:671 [inline]
 __sys_sendto+0x9dc/0xc80 net/socket.c:1992
 __do_sys_sendto net/socket.c:2004 [inline]
 __se_sys_sendto+0x107/0x130 net/socket.c:2000
 __x64_sys_sendto+0x6e/0x90 net/socket.c:2000
 do_syscall_64+0x9f/0x140 arch/x86/entry/common.c:48
 entry_SYSCALL_64_after_hwframe+0x44/0xa9

Fixes: 2d07dc79fe ("geneve: add initial netdev driver for GENEVE tunnels")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: syzbot <syzkaller@googlegroups.com>
Link: https://lore.kernel.org/r/20201201090507.4137906-1-eric.dumazet@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-12-01 17:47:23 -08:00
Martin Kaiser
017909281e mailbox: stm32-ipcc: cast void pointers to unsigned long
Now that the driver can be enabled by COMPILE_TEST, we see warnings on
64bit platforms when void pointers are cast to unsigned int (and
vice versa).

warning: cast to smaller integer type 'unsigned int' from 'void *'
           unsigned int chan = (unsigned int)link->con_priv;
...
warning: cast to 'void *' from smaller integer type 'unsigned int'
           ipcc->controller.chans[i].con_priv = (void *)i;

Update these casts to use unsigned long variables, which are the same
size as pointers on all platforms.

Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Reviewed-by: Fabien Dessenne <fabien.dessenne@st.com>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
2020-12-01 19:17:20 -06:00
Martin Kaiser
133af21f7c mailbox: stm32-ipcc: remove duplicate error message
platform_get_irq_byname already prints an error message if the requested
irq was not found. Don't print another message in the driver.

Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Reviewed-by: Fabien Dessenne <fabien.dessenne@st.com>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
2020-12-01 19:17:20 -06:00
Martin Kaiser
d68f17291c mailbox: stm32-ipcc: add COMPILE_TEST dependency
This allows compiling the driver on architectures where the hardware is not
available. Most other mailbox drivers support this as well.

Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Reviewed-by: Fabien Dessenne <fabien.dessenne@st.com>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
2020-12-01 19:17:20 -06:00
Sudeep Holla
9905f728b0 mailbox: arm_mhu_db: Fix mhu_db_shutdown by replacing kfree with devm_kfree
The mhu_db_channel info is allocated per channel using devm_kzalloc from
mhu_db_mbox_xlate which gets called from mbox_request_channel. However
we are releasing the allocated mhu_db_channel info using plain kfree from
mhu_db_shutdown which is called from mbox_free_channel.

This leads to random crashes when the channel is freed like below one:

  Unable to handle kernel paging request at virtual address 0080000400000008
  [0080000400000008] address between user and kernel address ranges
  Internal error: Oops: 96000044 [#1] PREEMPT SMP
  Modules linked in: scmi_module(-)
  CPU: 1 PID: 2212 Comm: rmmod Not tainted 5.10.0-rc5 #31
  Hardware name: ARM LTD ARM Juno Development Platform/ARM Juno
  	Development Platform, BIOS EDK II Nov 19 2020
  pstate: 20000085 (nzCv daIf -PAN -UAO -TCO BTYPE=--)
  pc : release_nodes+0x74/0x230
  lr : devres_release_all+0x40/0x68
  Call trace:
   release_nodes+0x74/0x230
   devres_release_all+0x40/0x68
   device_release_driver_internal+0x12c/0x1f8
   driver_detach+0x58/0xe8
   bus_remove_driver+0x64/0xe0
   driver_unregister+0x38/0x68
   platform_driver_unregister+0x1c/0x28
   scmi_driver_exit+0x38/0x44 [scmi_module]
   __arm64_sys_delete_module+0x188/0x260
   el0_svc_common.constprop.0+0x80/0x1a8
   do_el0_svc+0x2c/0x98
   el0_sync_handler+0x160/0x168
   el0_sync+0x174/0x180
  Code: 1400000d eb07009f 54000460 f9400486 (f90004a6)
  ---[ end trace c55ffd306c140233 ]---

Fix it by replacing kfree with devm_kfree as required.

Fixes: 7002ca237b ("mailbox: arm_mhu: Add ARM MHU doorbell driver")
Reported-by: Cristian Marussi <cristian.marussi@arm.com>
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
Tested-by: Cristian Marussi <cristian.marussi@arm.com>
Reviewed-by: Cristian Marussi <cristian.marussi@arm.com>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
2020-12-01 19:17:20 -06:00
Toke Høiland-Jørgensen
2867e1eac6 inet_ecn: Fix endianness of checksum update when setting ECT(1)
When adding support for propagating ECT(1) marking in IP headers it seems I
suffered from endianness-confusion in the checksum update calculation: In
fact the ECN field is in the *lower* bits of the first 16-bit word of the
IP header when calculating in network byte order. This means that the
addition performed to update the checksum field was wrong; let's fix that.

Fixes: b723748750 ("tunnel: Propagate ECT(1) when decapsulating as recommended by RFC6040")
Reported-by: Jonathan Morton <chromatix99@gmail.com>
Tested-by: Pete Heist <pete@heistp.net>
Signed-off-by: Toke Høiland-Jørgensen <toke@redhat.com>
Link: https://lore.kernel.org/r/20201130183705.17540-1-toke@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-12-01 17:16:54 -08:00
Jakub Kicinski
3d2f670a87 Merge branch 'ionic-updates'
Shannon Nelson says:

====================
ionic updates

These are a pair of small code cleanups.
====================

Link: https://lore.kernel.org/r/20201201002546.4123-1-snelson@pensando.io
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-12-01 17:14:26 -08:00
Shannon Nelson
79ba55a36e ionic: change mtu after queues are stopped
Order of operations is slightly more correct in the driver
to change the netdev->mtu after the queues have been stopped
rather than before.

Signed-off-by: Shannon Nelson <snelson@pensando.io>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-12-01 17:14:23 -08:00
Shannon Nelson
c0c682eeb8 ionic: remove some unnecessary oom messages
Remove memory allocation fail messages where the OOM stack
trace will make it obvious which allocation request failed.

Signed-off-by: Shannon Nelson <snelson@pensando.io>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-12-01 17:14:23 -08:00
Yejune Deng
832913c31e net: phy: marvell: replace phy_modify()
a set of phy_set_bits() looks more neater

Signed-off-by: Yejune Deng <yejune.deng@gmail.com>
Link: https://lore.kernel.org/r/1606732895-9136-1-git-send-email-yejune.deng@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-12-01 17:08:07 -08:00
Gal Pressman
87524494a7 RDMA/efa: Use dma_set_mask_and_coherent() to simplify code
Use dma_set_mask_and_coherent() instead of pci_set_dma_mask() followed by
a pci_set_consistent_dma_mask().

Link: https://lore.kernel.org/r/20201201091811.37984-1-galpress@amazon.com
Reviewed-by: Firas JahJah <firasj@amazon.com>
Reviewed-by: Yossi Leybovich <sleybo@amazon.com>
Signed-off-by: Gal Pressman <galpress@amazon.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2020-12-01 21:03:23 -04:00
Weihang Li
05201e01be RDMA/hns: Refactor process of setting extended sge
The variable 'cnt' is used to represent the max number of sge an SQ WQE
can use at first, then it means how many extended sge an SQ has. In
addition, this function has no need to return a value. So refactor and
encapsulate the parts of getting number of extended sge a WQE can use to
make it easier to understand.

Link: https://lore.kernel.org/r/1606558959-48510-4-git-send-email-liweihang@huawei.com
Signed-off-by: Weihang Li <liweihang@huawei.com>
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2020-12-01 20:58:43 -04:00
Yangyang Li
d34895c319 RDMA/hns: Bugfix for calculation of extended sge
Page alignment is required when setting the number of extended sge
according to the hardware's achivement. If the space of needed extended
sge is greater than one page, the roundup_pow_of_two() can ensure
that. But if the needed extended sge isn't 0 and can not be filled in a
whole page, the driver should align it specifically.

Fixes: 54d6638765 ("RDMA/hns: Optimize WQE buffer size calculating process")
Link: https://lore.kernel.org/r/1606558959-48510-3-git-send-email-liweihang@huawei.com
Signed-off-by: Yangyang Li <liyangyang20@huawei.com>
Signed-off-by: Weihang Li <liweihang@huawei.com>
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2020-12-01 20:58:42 -04:00
Lang Cheng
0fd0175e30 RDMA/hns: Fix 0-length sge calculation error
One RC SQ WQE can store 2 sges but UD can't, so ignore 2 valid sges of
wr.sglist for RC which have been filled in WQE before setting extended
sge.  Either of RC and UD can not contain 0-length sges, so these 0-length
sges should be skipped.

Fixes: 54d6638765 ("RDMA/hns: Optimize WQE buffer size calculating process")
Link: https://lore.kernel.org/r/1606558959-48510-2-git-send-email-liweihang@huawei.com
Signed-off-by: Lang Cheng <chenglang@huawei.com>
Signed-off-by: Weihang Li <liweihang@huawei.com>
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2020-12-01 20:58:42 -04:00
Jakub Kicinski
aaea1babe7 Merge branch 's390-ctcm-updates-2020-11-30'
Julian Wiedmann says:

====================
s390/ctcm: updates 2020-11-30

Some rare ctcm updates by Sebastian, who cleans up all places where
in_interrupt() was used to determine the correct GFP_* mask for
allocations.
In the first three patches we can get rid of those allocations entirely,
as they just end up being copied into the skb.
====================

Link: https://lore.kernel.org/r/20201130100950.42051-1-jwi@linux.ibm.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-12-01 16:56:06 -08:00
Sebastian Andrzej Siewior
8f4b6e35e2 s390/ctcm: Use GFP_ATOMIC in ctcmpc_tx().
gfp_type() uses in_interrupt() to figure out the correct GFP mask.

The usage of in_interrupt() in drivers is phased out and Linus clearly
requested that code which changes behaviour depending on context should
either be separated or the context be conveyed in an argument passed by the
caller, which usually knows the context.

ctcmpc_tx() is used as net_device_ops::ndo_start_xmit. This callback is
invoked with disabled bottom halves.

Use GFP_ATOMIC for memory allocation in ctcmpc_tx().
Remove gfp_type() since the last user is gone.

Reviewed-by: Julian Wiedmann <jwi@linux.ibm.com>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-12-01 16:56:02 -08:00
Sebastian Andrzej Siewior
04e4e469f9 s390/ctcm: Use GFP_KERNEL in add_channel().
gfp_type() uses in_interrupt() to figure out the correct GFP mask.

The usage of in_interrupt() in drivers is phased out and Linus clearly
requested that code which changes behaviour depending on context should
either be separated or the context be conveyed in an argument passed by the
caller, which usually knows the context.

The memory allocation of `ch' a few lines above is using GFP_KERNEL,
also an allocation a few lines later is using GFP_KERNEL.

Use GFP_KERNEL for the memory allocation.

Reviewed-by: Julian Wiedmann <jwi@linux.ibm.com>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-12-01 16:56:02 -08:00
Sebastian Andrzej Siewior
8dc4b6af08 s390/ctcm: Use explicit allocation mask in ctcmpc_unpack_skb().
gfp_type() uses in_interrupt() to figure out the correct GFP mask.

The usage of in_interrupt() in drivers is phased out and Linus clearly
requested that code which changes behaviour depending on context should
either be separated or the context be conveyed in an argument passed by the
caller, which usually knows the context.

The call chain of ctcmpc_unpack_skb():
ctcmpc_bh()
 -> ctcmpc_unpack_skb()

ctcmpc_bh() is a tasklet handler so GFP_ATOMIC is needed.

Use GFP_ATOMIC as allocation type in ctcmpc_unpack_skb().

Reviewed-by: Julian Wiedmann <jwi@linux.ibm.com>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-12-01 16:56:01 -08:00
Sebastian Andrzej Siewior
ca738f5aa9 s390/ctcm: Avoid temporary allocation of struct pdu.
The size of struct pdu is 8 byte. The memory is allocated, initialized,
used and deallocated a few lines later.

It is more efficient to avoid the allocation/free dance and assign the
values directly to skb's data part instead of using memcpy() for it.

Avoid an allocation of struct pdu and use the resulting skb pointer
instead.

Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
[jwi: Fix-up the pdu_offset, adjust skb->len for the pushed length.
      Reflow the commit msg.]
Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-12-01 16:56:01 -08:00
Sebastian Andrzej Siewior
d38aa39626 s390/ctcm: Avoid temporary allocation of struct qllc.
The size of struct qllc is 2 byte. The memory for is allocated,
initialized, used and deallocated a few lines later.

It is more efficient to avoid the allocation/free dance and assign the
values directly to skb's data part instead of using memcpy() for it.

Avoid an allocation of struct qllc and use the resulting skb pointer
instead.

Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
[jwi: remove a newline, reflow the commit msg]
Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-12-01 16:56:01 -08:00
Sebastian Andrzej Siewior
94e0028a05 s390/ctcm: Avoid temporary allocation of struct th_header and th_sweep.
The size of struct th_header is 8 byte and the size of struct th_sweep
is 16 byte. The memory for is allocated, initialized, used and
deallocated a few lines later.

It is more efficient to avoid the allocation/free dance and assign the
values directly to skb's data part instead of using memcpy() for it.

Avoid an allocation of struct th_sweep/th_header and use the resulting
skb pointer instead.

Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
[jwi: use skb_put_zero(), instead of skb_put() + memset to 0]
Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-12-01 16:56:01 -08:00
Chris Packham
2bf7d3776b net: freescale: ucc_geth: remove unused SKB_ALLOC_TIMEOUT
This was added in commit ce973b141d ("[PATCH] Freescale QE UCC gigabit
ethernet driver") but doesn't appear to have been used. Remove it now.

Signed-off-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
Link: https://lore.kernel.org/r/20201130001010.28998-1-chris.packham@alliedtelesis.co.nz
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-12-01 16:55:19 -08:00
Gal Pressman
93416ab0f9 RDMA/efa: Use the correct current and new states in modify QP
The local variables cur_state and new_state hold the state that should be
used for the modify QP operation instead of the ones in the ib_qp_attr
struct.

Fixes: 40909f664d ("RDMA/efa: Add EFA verbs implementation")
Link: https://lore.kernel.org/r/20201201091724.37016-1-galpress@amazon.com
Reviewed-by: Firas JahJah <firasj@amazon.com>
Reviewed-by: Yossi Leybovich <sleybo@amazon.com>
Signed-off-by: Gal Pressman <galpress@amazon.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2020-12-01 20:53:48 -04:00
Alok Prasad
0191c271de RDMA/qedr: iWARP invalid(zero) doorbell address fix
This patch fixes issue introduced by a previous commit where iWARP
doorbell address wasn't initialized, causing call trace when any RDMA
application wants to use this interface:

  Illegal doorbell address: 0000000000000000. Legal range for doorbell addresses is [0000000011431e08..00000000ec3799d3]
  WARNING: CPU: 11 PID: 11990 at drivers/net/ethernet/qlogic/qed/qed_dev.c:93 qed_db_rec_sanity.isra.12+0x48/0x70 [qed]
  ...
   hpsa scsi_transport_sas [last unloaded: crc8]
  CPU: 11 PID: 11990 Comm: rping Tainted: G S                5.10.0-rc1 #29
  Hardware name: HP ProLiant DL380 Gen9/ProLiant DL380 Gen9, BIOS P89 01/22/2018
  RIP: 0010:qed_db_rec_sanity.isra.12+0x48/0x70 [qed]
  ...
  RSP: 0018:ffffafc28458fa88 EFLAGS: 00010286
  RAX: 0000000000000000 RBX: ffff8d0d4c620000 RCX: 0000000000000000
  RDX: ffff8d10afde7d50 RSI: ffff8d10afdd8b40 RDI: ffff8d10afdd8b40
  RBP: ffffafc28458fe38 R08: 0000000000000003 R09: 0000000000007fff
  R10: 0000000000000001 R11: ffffafc28458f888 R12: 0000000000000000
  R13: 0000000000000000 R14: ffff8d0d43ccbbd0 R15: ffff8d0d48dae9c0
  FS:  00007fbd5267e740(0000) GS:ffff8d10afdc0000(0000) knlGS:0000000000000000
  CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
  CR2: 00007fbd4f258fb8 CR3: 0000000108d96003 CR4: 00000000001706e0
  Call Trace:
   qed_db_recovery_add+0x6d/0x1f0 [qed]
   qedr_create_user_qp+0x57e/0xd30 [qedr]
   qedr_create_qp+0x5f3/0xab0 [qedr]
   ? lookup_get_idr_uobject.part.12+0x45/0x90 [ib_uverbs]
   create_qp+0x45d/0xb30 [ib_uverbs]
   ? ib_uverbs_cq_event_handler+0x30/0x30 [ib_uverbs]
   ib_uverbs_create_qp+0xb9/0xe0 [ib_uverbs]
   ib_uverbs_write+0x3f9/0x570 [ib_uverbs]
   ? security_mmap_file+0x62/0xe0
   vfs_write+0xb7/0x200
   ksys_write+0xaf/0xd0
   ? syscall_trace_enter.isra.25+0x152/0x200
   do_syscall_64+0x2d/0x40
   entry_SYSCALL_64_after_hwframe+0x44/0xa9

Fixes: 06e8d1df46 ("RDMA/qedr: Add support for user mode XRC-SRQ's")
Link: https://lore.kernel.org/r/20201127163251.14533-1-palok@marvell.com
Signed-off-by: Michal Kalderon <mkalderon@marvell.com>
Signed-off-by: Igor Russkikh <irusskikh@marvell.com>
Signed-off-by: Alok Prasad <palok@marvell.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2020-12-01 20:52:07 -04:00
Shiraz Saleem
1d11d26cf0 RDMA/i40iw: Remove push code from i40iw
The push feature does not work as expected in x722 and has historically
been disabled in the driver.

Purge all remaining code related to the push feature in i40iw.

Link: https://lore.kernel.org/r/20201125005616.1800-3-shiraz.saleem@intel.com
Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2020-12-01 20:50:01 -04:00
Jason Gunthorpe
2b0a999ba0 Linux 5.10-rc6
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Merge tag 'v5.10-rc6' into rdma.git for-next

For dependencies in following patches

Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2020-12-01 20:40:50 -04:00
Swathi Dhanavanthri
5ac84806f5 drm/i915/tgl, rkl, dg1: Apply WA_1406941453 to TGL, RKL and DG1
This workaround is applicable only for tgl,rkl and dg1.

Bspec: 52890, 53273, 53508.

Signed-off-by: Swathi Dhanavanthri <swathi.dhanavanthri@intel.com>
Reviewed-by: Clint Taylor <Clinton.A.Taylor@intel.com>
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20201201175735.1377372-1-lucas.demarchi@intel.com
2020-12-01 16:34:45 -08:00
Sean V Kelley
50cc18fcd3 PCI/AER: Write AER Capability only when we control it
If an OS has not been granted AER control via _OSC, it should not make
changes to PCI_ERR_ROOT_COMMAND and PCI_ERR_ROOT_STATUS related registers.
Per section 4.5.1 of the System Firmware Intermediary (SFI) _OSC and DPC
Updates ECN [1], this bit also covers these aspects of the PCI Express
Advanced Error Reporting. Based on the above and earlier discussion [2],
make the following changes:

Add a check for the native case (i.e., AER control via _OSC)

Note that the previous "clear, reset, enable" order suggests that the reset
might cause errors that we should ignore. After this commit, those errors
(if any) will remain logged in the PCI_ERR_ROOT_STATUS register.

[1] System Firmware Intermediary (SFI) _OSC and DPC Updates ECN, Feb 24,
    2020, affecting PCI Firmware Specification, Rev. 3.2
    https://members.pcisig.com/wg/PCI-SIG/document/14076
[2] https://lore.kernel.org/linux-pci/20201020162820.GA370938@bjorn-Precision-5520/

Link: https://lore.kernel.org/r/20201121001036.8560-2-sean.v.kelley@intel.com
Tested-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> # non-native/no RCEC
Signed-off-by: Sean V Kelley <sean.v.kelley@intel.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
2020-12-01 18:08:05 -06:00
Linus Torvalds
509a154216 Two smb3 fixes for stable
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Merge tag '5.10-rc6-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6

Pull cifs fixes from Steve French:
 "Two smb3 fixes for stable"

* tag '5.10-rc6-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6:
  cifs: fix potential use-after-free in cifs_echo_request()
  cifs: allow syscalls to be restarted in __smb_send_rqst()
2020-12-01 15:43:53 -08:00
Vladimir Oltean
c214550ff8 net: delete __dev_getfirstbyhwtype
The last user of the RTNL brother of dev_getfirstbyhwtype (the latter
being synchronized under RCU) has been deleted in commit b4db2b35fc
("afs: Use core kernel UUID generation").

Cc: Arnd Bergmann <arnd@arndb.de>
Cc: David Howells <dhowells@redhat.com>
Cc: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Link: https://lore.kernel.org/r/20201129200550.2433401-1-vladimir.oltean@nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-12-01 15:40:01 -08:00
Jakub Kicinski
f7cf335c7d Merge branch 'net-tipc-fix-all-kernel-doc-and-add-tipc-networking-chapter'
Randy Dunlap says:

====================
net/tipc: fix all kernel-doc and add TIPC networking chapter

Fix lots of net/tipc/ kernel-doc warnings. Add many struct field and
function parameter descriptions.

Then add a TIPC chapter to the networking documentation book.

All patches have been rebased to current net-next.

Note: some of the struct members and function parameters are marked
with "FIXME". They could use some additional descriptions if
someone could help add to them. Thanks.
====================

Link: https://lore.kernel.org/r/20201129183251.7049-1-rdunlap@infradead.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-12-01 15:38:46 -08:00
Randy Dunlap
2fc30decf7 net/tipc: add TIPC chapter to networking Documentation
Add a TIPC chapter to the networking docbook.

Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-12-01 15:38:39 -08:00
Randy Dunlap
637b77fdca net/tipc: fix all function Return: notation
Fix Return: kernel-doc notation in all net/tipc/ source files.
Also keep ReST list notation intact for output formatting.
Fix a few typos in comments.

Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-12-01 15:38:17 -08:00
Randy Dunlap
f172f4b81a net/tipc: fix socket.c kernel-doc
Fix socket.c kernel-doc warnings in preparation for adding to the
networking docbook.

Also, for rcvbuf_limit(), use bullet notation so that the lines do
not run together.

../net/tipc/socket.c:130: warning: Function parameter or member 'cong_links' not described in 'tipc_sock'
../net/tipc/socket.c:130: warning: Function parameter or member 'probe_unacked' not described in 'tipc_sock'
../net/tipc/socket.c:130: warning: Function parameter or member 'snd_win' not described in 'tipc_sock'
../net/tipc/socket.c:130: warning: Function parameter or member 'peer_caps' not described in 'tipc_sock'
../net/tipc/socket.c:130: warning: Function parameter or member 'rcv_win' not described in 'tipc_sock'
../net/tipc/socket.c:130: warning: Function parameter or member 'group' not described in 'tipc_sock'
../net/tipc/socket.c:130: warning: Function parameter or member 'oneway' not described in 'tipc_sock'
../net/tipc/socket.c:130: warning: Function parameter or member 'nagle_start' not described in 'tipc_sock'
../net/tipc/socket.c:130: warning: Function parameter or member 'snd_backlog' not described in 'tipc_sock'
../net/tipc/socket.c:130: warning: Function parameter or member 'msg_acc' not described in 'tipc_sock'
../net/tipc/socket.c:130: warning: Function parameter or member 'pkt_cnt' not described in 'tipc_sock'
../net/tipc/socket.c:130: warning: Function parameter or member 'expect_ack' not described in 'tipc_sock'
../net/tipc/socket.c:130: warning: Function parameter or member 'nodelay' not described in 'tipc_sock'
../net/tipc/socket.c:130: warning: Function parameter or member 'group_is_open' not described in 'tipc_sock'
../net/tipc/socket.c:267: warning: Function parameter or member 'sk' not described in 'tsk_advance_rx_queue'
../net/tipc/socket.c:295: warning: Function parameter or member 'sk' not described in 'tsk_rej_rx_queue'
../net/tipc/socket.c:295: warning: Function parameter or member 'error' not described in 'tsk_rej_rx_queue'
../net/tipc/socket.c:894: warning: Function parameter or member 'tsk' not described in 'tipc_send_group_msg'
../net/tipc/socket.c:1187: warning: Function parameter or member 'net' not described in 'tipc_sk_mcast_rcv'
../net/tipc/socket.c:1323: warning: Function parameter or member 'inputq' not described in 'tipc_sk_conn_proto_rcv'
../net/tipc/socket.c:1323: warning: Function parameter or member 'xmitq' not described in 'tipc_sk_conn_proto_rcv'
../net/tipc/socket.c:1885: warning: Function parameter or member 'sock' not described in 'tipc_recvmsg'
../net/tipc/socket.c:1993: warning: Function parameter or member 'sock' not described in 'tipc_recvstream'
../net/tipc/socket.c:2313: warning: Function parameter or member 'xmitq' not described in 'tipc_sk_filter_rcv'
../net/tipc/socket.c:2404: warning: Function parameter or member 'xmitq' not described in 'tipc_sk_enqueue'
../net/tipc/socket.c:2456: warning: Function parameter or member 'net' not described in 'tipc_sk_rcv'
../net/tipc/socket.c:2693: warning: Function parameter or member 'kern' not described in 'tipc_accept'
../net/tipc/socket.c:3816: warning: Excess function parameter 'sysctl_tipc_sk_filter' description in 'tipc_sk_filtering'

Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-12-01 15:38:12 -08:00
Randy Dunlap
4476441e48 net/tipc: fix node.c kernel-doc
Fix node.c kernel-doc warnings in preparation for adding to the
networking docbook.

../net/tipc/node.c:141: warning: Function parameter or member 'kref' not described in 'tipc_node'
../net/tipc/node.c:141: warning: Function parameter or member 'bc_entry' not described in 'tipc_node'
../net/tipc/node.c:141: warning: Function parameter or member 'failover_sent' not described in 'tipc_node'
../net/tipc/node.c:141: warning: Function parameter or member 'peer_id' not described in 'tipc_node'
../net/tipc/node.c:141: warning: Function parameter or member 'peer_id_string' not described in 'tipc_node'
../net/tipc/node.c:141: warning: Function parameter or member 'conn_sks' not described in 'tipc_node'
../net/tipc/node.c:141: warning: Function parameter or member 'keepalive_intv' not described in 'tipc_node'
../net/tipc/node.c:141: warning: Function parameter or member 'timer' not described in 'tipc_node'
../net/tipc/node.c:141: warning: Function parameter or member 'peer_net' not described in 'tipc_node'
../net/tipc/node.c:141: warning: Function parameter or member 'peer_hash_mix' not described in 'tipc_node'
../net/tipc/node.c:273: warning: Function parameter or member '__n' not described in 'tipc_node_crypto_rx'
../net/tipc/node.c:822: warning: Function parameter or member 'n' not described in '__tipc_node_link_up'
../net/tipc/node.c:822: warning: Function parameter or member 'bearer_id' not described in '__tipc_node_link_up'
../net/tipc/node.c:822: warning: Function parameter or member 'xmitq' not described in '__tipc_node_link_up'
../net/tipc/node.c:888: warning: Function parameter or member 'n' not described in 'tipc_node_link_up'
../net/tipc/node.c:888: warning: Function parameter or member 'bearer_id' not described in 'tipc_node_link_up'
../net/tipc/node.c:888: warning: Function parameter or member 'xmitq' not described in 'tipc_node_link_up'
../net/tipc/node.c:948: warning: Function parameter or member 'n' not described in '__tipc_node_link_down'
../net/tipc/node.c:948: warning: Function parameter or member 'bearer_id' not described in '__tipc_node_link_down'
../net/tipc/node.c:948: warning: Function parameter or member 'xmitq' not described in '__tipc_node_link_down'
../net/tipc/node.c:948: warning: Function parameter or member 'maddr' not described in '__tipc_node_link_down'
../net/tipc/node.c:1537: warning: Function parameter or member 'net' not described in 'tipc_node_get_linkname'
../net/tipc/node.c:1537: warning: Function parameter or member 'len' not described in 'tipc_node_get_linkname'
../net/tipc/node.c:1891: warning: Function parameter or member 'n' not described in 'tipc_node_check_state'
../net/tipc/node.c:1891: warning: Function parameter or member 'xmitq' not described in 'tipc_node_check_state'

Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-12-01 15:38:09 -08:00
Randy Dunlap
5c5d6796d4 net/tipc: fix name_table.c kernel-doc
Fix name_table.c kernel-doc warnings in preparation for adding to the
networking docbook.

../net/tipc/name_table.c:115: warning: Function parameter or member 'start' not described in 'service_range_foreach_match'
../net/tipc/name_table.c:115: warning: Function parameter or member 'end' not described in 'service_range_foreach_match'
../net/tipc/name_table.c:127: warning: Function parameter or member 'start' not described in 'service_range_match_first'
../net/tipc/name_table.c:127: warning: Function parameter or member 'end' not described in 'service_range_match_first'
../net/tipc/name_table.c:176: warning: Function parameter or member 'start' not described in 'service_range_match_next'
../net/tipc/name_table.c:176: warning: Function parameter or member 'end' not described in 'service_range_match_next'
../net/tipc/name_table.c:225: warning: Function parameter or member 'type' not described in 'tipc_publ_create'
../net/tipc/name_table.c:225: warning: Function parameter or member 'lower' not described in 'tipc_publ_create'
../net/tipc/name_table.c:225: warning: Function parameter or member 'upper' not described in 'tipc_publ_create'
../net/tipc/name_table.c:225: warning: Function parameter or member 'scope' not described in 'tipc_publ_create'
../net/tipc/name_table.c:225: warning: Function parameter or member 'node' not described in 'tipc_publ_create'
../net/tipc/name_table.c:225: warning: Function parameter or member 'port' not described in 'tipc_publ_create'
../net/tipc/name_table.c:225: warning: Function parameter or member 'key' not described in 'tipc_publ_create'
../net/tipc/name_table.c:252: warning: Function parameter or member 'type' not described in 'tipc_service_create'
../net/tipc/name_table.c:252: warning: Function parameter or member 'hd' not described in 'tipc_service_create'
../net/tipc/name_table.c:367: warning: Function parameter or member 'sr' not described in 'tipc_service_remove_publ'
../net/tipc/name_table.c:367: warning: Function parameter or member 'node' not described in 'tipc_service_remove_publ'
../net/tipc/name_table.c:367: warning: Function parameter or member 'key' not described in 'tipc_service_remove_publ'
../net/tipc/name_table.c:383: warning: Function parameter or member 'pa' not described in 'publication_after'
../net/tipc/name_table.c:383: warning: Function parameter or member 'pb' not described in 'publication_after'
../net/tipc/name_table.c:401: warning: Function parameter or member 'service' not described in 'tipc_service_subscribe'
../net/tipc/name_table.c:401: warning: Function parameter or member 'sub' not described in 'tipc_service_subscribe'
../net/tipc/name_table.c:546: warning: Function parameter or member 'net' not described in 'tipc_nametbl_translate'
../net/tipc/name_table.c:546: warning: Function parameter or member 'type' not described in 'tipc_nametbl_translate'
../net/tipc/name_table.c:546: warning: Function parameter or member 'instance' not described in 'tipc_nametbl_translate'
../net/tipc/name_table.c:546: warning: Function parameter or member 'dnode' not described in 'tipc_nametbl_translate'
../net/tipc/name_table.c:762: warning: Function parameter or member 'net' not described in 'tipc_nametbl_withdraw'
../net/tipc/name_table.c:762: warning: Function parameter or member 'type' not described in 'tipc_nametbl_withdraw'
../net/tipc/name_table.c:762: warning: Function parameter or member 'lower' not described in 'tipc_nametbl_withdraw'
../net/tipc/name_table.c:762: warning: Function parameter or member 'upper' not described in 'tipc_nametbl_withdraw'
../net/tipc/name_table.c:762: warning: Function parameter or member 'key' not described in 'tipc_nametbl_withdraw'
../net/tipc/name_table.c:796: warning: Function parameter or member 'sub' not described in 'tipc_nametbl_subscribe'
../net/tipc/name_table.c:826: warning: Function parameter or member 'sub' not described in 'tipc_nametbl_unsubscribe'
../net/tipc/name_table.c:876: warning: Function parameter or member 'net' not described in 'tipc_service_delete'
../net/tipc/name_table.c:876: warning: Function parameter or member 'sc' not described in 'tipc_service_delete'

Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-12-01 15:38:05 -08:00
Randy Dunlap
cb67296e8c net/tipc: fix name_distr.c kernel-doc
Fix name_distr.c kernel-doc warnings in preparation for adding to the
networking docbook.

../net/tipc/name_distr.c:55: warning: Function parameter or member 'i' not described in 'publ_to_item'
../net/tipc/name_distr.c:55: warning: Function parameter or member 'p' not described in 'publ_to_item'
../net/tipc/name_distr.c:70: warning: Function parameter or member 'net' not described in 'named_prepare_buf'
../net/tipc/name_distr.c:70: warning: Function parameter or member 'type' not described in 'named_prepare_buf'
../net/tipc/name_distr.c:70: warning: Function parameter or member 'size' not described in 'named_prepare_buf'
../net/tipc/name_distr.c:70: warning: Function parameter or member 'dest' not described in 'named_prepare_buf'
../net/tipc/name_distr.c:88: warning: Function parameter or member 'net' not described in 'tipc_named_publish'
../net/tipc/name_distr.c:88: warning: Function parameter or member 'publ' not described in 'tipc_named_publish'
../net/tipc/name_distr.c:116: warning: Function parameter or member 'net' not described in 'tipc_named_withdraw'
../net/tipc/name_distr.c:116: warning: Function parameter or member 'publ' not described in 'tipc_named_withdraw'
../net/tipc/name_distr.c:147: warning: Function parameter or member 'net' not described in 'named_distribute'
../net/tipc/name_distr.c:147: warning: Function parameter or member 'seqno' not described in 'named_distribute'
../net/tipc/name_distr.c:199: warning: Function parameter or member 'net' not described in 'tipc_named_node_up'
../net/tipc/name_distr.c:199: warning: Function parameter or member 'dnode' not described in 'tipc_named_node_up'
../net/tipc/name_distr.c:199: warning: Function parameter or member 'capabilities' not described in 'tipc_named_node_up'
../net/tipc/name_distr.c:225: warning: Function parameter or member 'net' not described in 'tipc_publ_purge'
../net/tipc/name_distr.c:225: warning: Function parameter or member 'publ' not described in 'tipc_publ_purge'
../net/tipc/name_distr.c:225: warning: Function parameter or member 'addr' not described in 'tipc_publ_purge'
../net/tipc/name_distr.c:272: warning: Function parameter or member 'net' not described in 'tipc_update_nametbl'
../net/tipc/name_distr.c:272: warning: Function parameter or member 'i' not described in 'tipc_update_nametbl'
../net/tipc/name_distr.c:272: warning: Function parameter or member 'node' not described in 'tipc_update_nametbl'
../net/tipc/name_distr.c:272: warning: Function parameter or member 'dtype' not described in 'tipc_update_nametbl'
../net/tipc/name_distr.c:353: warning: Function parameter or member 'net' not described in 'tipc_named_rcv'
../net/tipc/name_distr.c:353: warning: Function parameter or member 'namedq' not described in 'tipc_named_rcv'
../net/tipc/name_distr.c:353: warning: Function parameter or member 'rcv_nxt' not described in 'tipc_named_rcv'
../net/tipc/name_distr.c:353: warning: Function parameter or member 'open' not described in 'tipc_named_rcv'
../net/tipc/name_distr.c:383: warning: Function parameter or member 'net' not described in 'tipc_named_reinit'

Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-12-01 15:38:01 -08:00
Randy Dunlap
a99df449b0 net/tipc: fix link.c kernel-doc
Fix link.c kernel-doc warnings in preparation for adding to the
networking docbook.

../net/tipc/link.c:200: warning: Function parameter or member 'session' not described in 'tipc_link'
../net/tipc/link.c:200: warning: Function parameter or member 'snd_nxt_state' not described in 'tipc_link'
../net/tipc/link.c:200: warning: Function parameter or member 'rcv_nxt_state' not described in 'tipc_link'
../net/tipc/link.c:200: warning: Function parameter or member 'in_session' not described in 'tipc_link'
../net/tipc/link.c:200: warning: Function parameter or member 'active' not described in 'tipc_link'
../net/tipc/link.c:200: warning: Function parameter or member 'if_name' not described in 'tipc_link'
../net/tipc/link.c:200: warning: Function parameter or member 'rst_cnt' not described in 'tipc_link'
../net/tipc/link.c:200: warning: Function parameter or member 'drop_point' not described in 'tipc_link'
../net/tipc/link.c:200: warning: Function parameter or member 'failover_reasm_skb' not described in 'tipc_link'
../net/tipc/link.c:200: warning: Function parameter or member 'failover_deferdq' not described in 'tipc_link'
../net/tipc/link.c:200: warning: Function parameter or member 'transmq' not described in 'tipc_link'
../net/tipc/link.c:200: warning: Function parameter or member 'backlog' not described in 'tipc_link'
../net/tipc/link.c:200: warning: Function parameter or member 'snd_nxt' not described in 'tipc_link'
../net/tipc/link.c:200: warning: Function parameter or member 'rcv_unacked' not described in 'tipc_link'
../net/tipc/link.c:200: warning: Function parameter or member 'deferdq' not described in 'tipc_link'
../net/tipc/link.c:200: warning: Function parameter or member 'window' not described in 'tipc_link'
../net/tipc/link.c:200: warning: Function parameter or member 'min_win' not described in 'tipc_link'
../net/tipc/link.c:200: warning: Function parameter or member 'ssthresh' not described in 'tipc_link'
../net/tipc/link.c:200: warning: Function parameter or member 'max_win' not described in 'tipc_link'
../net/tipc/link.c:200: warning: Function parameter or member 'cong_acks' not described in 'tipc_link'
../net/tipc/link.c:200: warning: Function parameter or member 'checkpoint' not described in 'tipc_link'
../net/tipc/link.c:200: warning: Function parameter or member 'reasm_tnlmsg' not described in 'tipc_link'
../net/tipc/link.c:200: warning: Function parameter or member 'last_gap' not described in 'tipc_link'
../net/tipc/link.c:200: warning: Function parameter or member 'last_ga' not described in 'tipc_link'
../net/tipc/link.c:200: warning: Function parameter or member 'bc_rcvlink' not described in 'tipc_link'
../net/tipc/link.c:200: warning: Function parameter or member 'bc_sndlink' not described in 'tipc_link'
../net/tipc/link.c:200: warning: Function parameter or member 'nack_state' not described in 'tipc_link'
../net/tipc/link.c:200: warning: Function parameter or member 'bc_peer_is_up' not described in 'tipc_link'
../net/tipc/link.c:473: warning: Function parameter or member 'self' not described in 'tipc_link_create'
../net/tipc/link.c:473: warning: Function parameter or member 'peer_id' not described in 'tipc_link_create'
../net/tipc/link.c:473: warning: Excess function parameter 'ownnode' description in 'tipc_link_create'
../net/tipc/link.c:544: warning: Function parameter or member 'ownnode' not described in 'tipc_link_bc_create'
../net/tipc/link.c:544: warning: Function parameter or member 'peer' not described in 'tipc_link_bc_create'
../net/tipc/link.c:544: warning: Function parameter or member 'peer_id' not described in 'tipc_link_bc_create'
../net/tipc/link.c:544: warning: Function parameter or member 'peer_caps' not described in 'tipc_link_bc_create'
../net/tipc/link.c:544: warning: Function parameter or member 'bc_sndlink' not described in 'tipc_link_bc_create'

Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-12-01 15:37:56 -08:00
Randy Dunlap
ec6a1649fe net/tipc: fix bearer.c for kernel-doc
Fix kernel-doc warnings in bearer.c:

../net/tipc/bearer.c:77: warning: Function parameter or member 'name' not described in 'tipc_media_find'
../net/tipc/bearer.c:91: warning: Function parameter or member 'type' not described in 'media_find_id'
../net/tipc/bearer.c:105: warning: Function parameter or member 'buf' not described in 'tipc_media_addr_printf'
../net/tipc/bearer.c:105: warning: Function parameter or member 'len' not described in 'tipc_media_addr_printf'
../net/tipc/bearer.c:105: warning: Function parameter or member 'a' not described in 'tipc_media_addr_printf'
../net/tipc/bearer.c:174: warning: Function parameter or member 'net' not described in 'tipc_bearer_find'
../net/tipc/bearer.c:174: warning: Function parameter or member 'name' not described in 'tipc_bearer_find'
../net/tipc/bearer.c:238: warning: Function parameter or member 'net' not described in 'tipc_enable_bearer'
../net/tipc/bearer.c:238: warning: Function parameter or member 'name' not described in 'tipc_enable_bearer'
../net/tipc/bearer.c:238: warning: Function parameter or member 'disc_domain' not described in 'tipc_enable_bearer'
../net/tipc/bearer.c:238: warning: Function parameter or member 'prio' not described in 'tipc_enable_bearer'
../net/tipc/bearer.c:238: warning: Function parameter or member 'attr' not described in 'tipc_enable_bearer'
../net/tipc/bearer.c:350: warning: Function parameter or member 'net' not described in 'tipc_reset_bearer'
../net/tipc/bearer.c:350: warning: Function parameter or member 'b' not described in 'tipc_reset_bearer'
../net/tipc/bearer.c:374: warning: Function parameter or member 'net' not described in 'bearer_disable'
../net/tipc/bearer.c:374: warning: Function parameter or member 'b' not described in 'bearer_disable'
../net/tipc/bearer.c:462: warning: Function parameter or member 'net' not described in 'tipc_l2_send_msg'
../net/tipc/bearer.c:479: warning: Function parameter or member 'net' not described in 'tipc_l2_send_msg'

Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-12-01 15:37:51 -08:00
Randy Dunlap
5fcb7d47fe net/tipc: fix various kernel-doc warnings
kernel-doc and Sphinx fixes to eliminate lots of warnings
in preparation for adding to the networking docbook.

../net/tipc/crypto.c:57: warning: cannot understand function prototype: 'enum '
../net/tipc/crypto.c:69: warning: cannot understand function prototype: 'enum '
../net/tipc/crypto.c:130: warning: Function parameter or member 'tfm' not described in 'tipc_tfm'
../net/tipc/crypto.c:130: warning: Function parameter or member 'list' not described in 'tipc_tfm'
../net/tipc/crypto.c:172: warning: Function parameter or member 'stat' not described in 'tipc_crypto_stats'
../net/tipc/crypto.c:232: warning: Function parameter or member 'flags' not described in 'tipc_crypto'
../net/tipc/crypto.c:329: warning: Function parameter or member 'ukey' not described in 'tipc_aead_key_validate'
../net/tipc/crypto.c:329: warning: Function parameter or member 'info' not described in 'tipc_aead_key_validate'
../net/tipc/crypto.c:482: warning: Function parameter or member 'aead' not described in 'tipc_aead_tfm_next'
../net/tipc/trace.c:43: warning: cannot understand function prototype: 'unsigned long sysctl_tipc_sk_filter[5] __read_mostly = '

Documentation/networking/tipc:57: ../net/tipc/msg.c:584: WARNING: Unexpected indentation.
Documentation/networking/tipc:63: ../net/tipc/name_table.c:536: WARNING: Unexpected indentation.
Documentation/networking/tipc:63: ../net/tipc/name_table.c:537: WARNING: Block quote ends without a blank line; unexpected unindent.
Documentation/networking/tipc:78: ../net/tipc/socket.c:3809: WARNING: Unexpected indentation.
Documentation/networking/tipc:78: ../net/tipc/socket.c:3807: WARNING: Inline strong start-string without end-string.
Documentation/networking/tipc:72: ../net/tipc/node.c:904: WARNING: Unexpected indentation.
Documentation/networking/tipc:39: ../net/tipc/crypto.c:97: WARNING: Block quote ends without a blank line; unexpected unindent.
Documentation/networking/tipc:39: ../net/tipc/crypto.c:98: WARNING: Block quote ends without a blank line; unexpected unindent.
Documentation/networking/tipc:39: ../net/tipc/crypto.c:141: WARNING: Inline strong start-string without end-string.

../net/tipc/discover.c:82: warning: Function parameter or member 'skb' not described in 'tipc_disc_init_msg'

../net/tipc/msg.c:69: warning: Function parameter or member 'gfp' not described in 'tipc_buf_acquire'
../net/tipc/msg.c:382: warning: Function parameter or member 'offset' not described in 'tipc_msg_build'
../net/tipc/msg.c:708: warning: Function parameter or member 'net' not described in 'tipc_msg_lookup_dest'

../net/tipc/subscr.c:65: warning: Function parameter or member 'seq' not described in 'tipc_sub_check_overlap'
../net/tipc/subscr.c:65: warning: Function parameter or member 'found_lower' not described in 'tipc_sub_check_overlap'
../net/tipc/subscr.c:65: warning: Function parameter or member 'found_upper' not described in 'tipc_sub_check_overlap'

../net/tipc/udp_media.c:75: warning: Function parameter or member 'proto' not described in 'udp_media_addr'
../net/tipc/udp_media.c:75: warning: Function parameter or member 'port' not described in 'udp_media_addr'
../net/tipc/udp_media.c:75: warning: Function parameter or member 'ipv4' not described in 'udp_media_addr'
../net/tipc/udp_media.c:75: warning: Function parameter or member 'ipv6' not described in 'udp_media_addr'
../net/tipc/udp_media.c:98: warning: Function parameter or member 'rcast' not described in 'udp_bearer'

Also fixed a typo of "duest" to "dest".

Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-12-01 15:37:46 -08:00
Randy Dunlap
ff10527e89 net/tipc: fix tipc header files for kernel-doc
Fix tipc header files for adding to the networking docbook.

Remove some uses of "/**" that were not kernel-doc notation.

Fix some source formatting to eliminate Sphinx warnings.

Add missing struct member and function argument kernel-doc descriptions.

Correct the description of a couple of struct members that were
marked as "(FIXME)".

Documentation/networking/tipc:18: ../net/tipc/name_table.h:65: WARNING: Unexpected indentation.
Documentation/networking/tipc:18: ../net/tipc/name_table.h:66: WARNING: Block quote ends without a blank line; unexpected unindent.

../net/tipc/bearer.h:128: warning: Function parameter or member 'min_win' not described in 'tipc_media'
../net/tipc/bearer.h:128: warning: Function parameter or member 'max_win' not described in 'tipc_media'

../net/tipc/bearer.h:171: warning: Function parameter or member 'min_win' not described in 'tipc_bearer'
../net/tipc/bearer.h:171: warning: Function parameter or member 'max_win' not described in 'tipc_bearer'
../net/tipc/bearer.h:171: warning: Function parameter or member 'disc' not described in 'tipc_bearer'
../net/tipc/bearer.h:171: warning: Function parameter or member 'up' not described in 'tipc_bearer'
../net/tipc/bearer.h:171: warning: Function parameter or member 'refcnt' not described in 'tipc_bearer'

../net/tipc/name_distr.h:68: warning: Function parameter or member 'port' not described in 'distr_item'

../net/tipc/name_table.h:111: warning: Function parameter or member 'services' not described in 'name_table'
../net/tipc/name_table.h:111: warning: Function parameter or member 'cluster_scope_lock' not described in 'name_table'
../net/tipc/name_table.h:111: warning: Function parameter or member 'rc_dests' not described in 'name_table'
../net/tipc/name_table.h:111: warning: Function parameter or member 'snd_nxt' not described in 'name_table'

../net/tipc/subscr.h:67: warning: Function parameter or member 'kref' not described in 'tipc_subscription'
../net/tipc/subscr.h:67: warning: Function parameter or member 'net' not described in 'tipc_subscription'
../net/tipc/subscr.h:67: warning: Function parameter or member 'service_list' not described in 'tipc_subscription'
../net/tipc/subscr.h:67: warning: Function parameter or member 'conid' not described in 'tipc_subscription'
../net/tipc/subscr.h:67: warning: Function parameter or member 'inactive' not described in 'tipc_subscription'
../net/tipc/subscr.h:67: warning: Function parameter or member 'lock' not described in 'tipc_subscription'

Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-12-01 15:37:41 -08:00
Linus Torvalds
ef6900acc8 Tracing fixes for 5.10-rc6
- Use correct timestamp variable for ring buffer write stamp update
  - Fix up before stamp and write stamp when crossing ring buffer sub
    buffers
  - Keep a zero delta in ring buffer in slow path if cmpxchg fails
  - Fix trace_printk static buffer for archs that care
  - Fix ftrace record accounting for ftrace ops with trampolines
  - Fix DYNAMIC_FTRACE_WITH_DIRECT_CALLS dependency
  - Remove WARN_ON in hwlat tracer that triggers on something that is OK
  - Make "my_tramp" trampoline in ftrace direct sample code global
  - Fixes in the bootconfig tool for better alignment management
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Merge tag 'trace-v5.10-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace

Pull tracing fixes from Steven Rostedt:

 - Use correct timestamp variable for ring buffer write stamp update

 - Fix up before stamp and write stamp when crossing ring buffer sub
   buffers

 - Keep a zero delta in ring buffer in slow path if cmpxchg fails

 - Fix trace_printk static buffer for archs that care

 - Fix ftrace record accounting for ftrace ops with trampolines

 - Fix DYNAMIC_FTRACE_WITH_DIRECT_CALLS dependency

 - Remove WARN_ON in hwlat tracer that triggers on something that is OK

 - Make "my_tramp" trampoline in ftrace direct sample code global

 - Fixes in the bootconfig tool for better alignment management

* tag 'trace-v5.10-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
  ring-buffer: Always check to put back before stamp when crossing pages
  ftrace: Fix DYNAMIC_FTRACE_WITH_DIRECT_CALLS dependency
  ftrace: Fix updating FTRACE_FL_TRAMP
  tracing: Fix alignment of static buffer
  tracing: Remove WARN_ON in start_thread()
  samples/ftrace: Mark my_tramp[12]? global
  ring-buffer: Set the right timestamp in the slow path of __rb_reserve_next()
  ring-buffer: Update write stamp with the correct ts
  docs: bootconfig: Update file format on initrd image
  tools/bootconfig: Align the bootconfig applied initrd image size to 4
  tools/bootconfig: Fix to check the write failure correctly
  tools/bootconfig: Fix errno reference after printf()
2020-12-01 15:30:18 -08:00
Hoang Le
0643334902 tipc: fix incompatible mtu of transmission
In commit 682cd3cf94
("tipc: confgiure and apply UDP bearer MTU on running links"), we
introduced a function to change UDP bearer MTU and applied this new value
across existing per-link. However, we did not apply this new MTU value at
node level. This lead to packet dropped at link level if its size is
greater than new MTU value.

To fix this issue, we also apply this new MTU value for node level.

Fixes: 682cd3cf94 ("tipc: confgiure and apply UDP bearer MTU on running links")
Acked-by: Jon Maloy <jmaloy@redhat.com>
Signed-off-by: Hoang Le <hoang.h.le@dektech.com.au>
Link: https://lore.kernel.org/r/20201130025544.3602-1-hoang.h.le@dektech.com.au
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-12-01 15:26:57 -08:00
Jakub Kicinski
7fe2af16e6 Merge branch 'mlxsw-add-support-for-802-1ad-bridging'
Ido Schimmel says:

====================
mlxsw: Add support for 802.1ad bridging

802.1ad, also known as QinQ, is an extension to the 802.1q standard,
which is concerned with passing possibly 802.1q-tagged packets through
another VLAN-like tunnel. The format of 802.1ad tag is the same as
802.1q, except it uses the EtherType of 0x88a8, unlike 802.1q's 0x8100.

Currently, mlxsw supports bridging with VLAN-unaware (802.1d) bridges
and with VLAN-aware bridges whose VLAN protocol is 802.1q. This set adds
support for VLAN-aware bridges whose VLAN protocol is 802.1ad.

From mlxsw perspective, 802.1ad support entails two main changes:

1. Ports member in an 802.1ad bridge need to be configured to classify
802.1ad packets as tagged and all other packets as untagged

2. When pushing a VLAN at ingress (PVID), its EtherType needs to be
0x88a8 instead of 802.1q's 0x8100

The rest stays the same as with 802.1q bridges.

A follow-up patch set will add support for QinQ with VXLAN, also known
as QinVNI. Currently, linking of a VXLAN netdev to an 802.1ad bridge is
vetoed and an error is returned to user space.

Patch set overview:

Patches #1-#2 add the registers required to configure the two changes
described above.

Patch #3 changes the device to only treat 802.1q packets as tagged by
default, as opposed to both 802.1q and 802.1ad packets. This is more
inline with the behavior supported by the driver.

Patch #4 adds the ability to configure the EtherType when pushing a PVID
at ingress.

Patch #5 performs small refactoring to allow for code re-use in the next
patch.

Patch #6 adds support for 802.1ad bridging and allows mlxsw ports and
their uppers to join such a bridge.

Patch #7 changes the bridge driver to notify about changes to its VLAN
protocol, so that these could be vetoed by mlxsw in the next patch.

Patches #8-#9 teach mlxsw to veto unsupported 802.1ad configurations and
add a corresponding selftest to make sure such configurations are indeed
vetoed.
====================

Link: https://lore.kernel.org/r/20201129125407.1391557-1-idosch@idosch.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-12-01 15:21:15 -08:00
Danielle Ratson
008cb2ec43 selftests: forwarding: Add QinQ veto testing
Test that each veto that was added in the previous patch, is indeed
vetoed.

$ ./q_in_q_veto.sh

TEST: create 802.1ad vlan upper on top of a front panel             [ OK ]
TEST: create 802.1ad vlan upper on top of a bridge port             [ OK ]
TEST: create 802.1ad vlan upper on top of a lag                     [ OK ]
TEST: create 802.1ad vlan upper on top 802.1q bridge                [ OK ]
TEST: create 802.1ad vlan upper on top 802.1ad bridge               [ OK ]
TEST: create 802.1q vlan upper on top 802.1ad bridge                [ OK ]
TEST: create vlan upper on top of front panel enslaved to 802.1ad bridge
[ OK ]
TEST: create vlan upper on top of lag enslaved to 802.1ad bridge    [ OK ]
TEST: enslave front panel with vlan upper to 802.1ad bridge         [ OK ]
TEST: enslave lag with vlan upper to 802.1ad bridge                 [ OK ]
TEST: IP address addition to 802.1ad bridge                         [ OK ]
TEST: switch bridge protocol                                        [ OK ]

Signed-off-by: Danielle Ratson <danieller@nvidia.com>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-12-01 15:21:13 -08:00
Danielle Ratson
09139f67d3 mlxsw: Add QinQ configuration vetoes
After adding support for QinQ, a.k.a 802.1ad protocol, there are a few
scenarios that should be vetoed.

The vetoes are motivated by various ASIC limitations.
For example, a port that is member in a 802.1ad bridge cannot have 802.1q
uppers as the port needs to be configured to treat 802.1q packets as
untagged packets.

Veto all those unsupported scenarios and return suitable messages.

Signed-off-by: Danielle Ratson <danieller@nvidia.com>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-12-01 15:21:13 -08:00