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afs_extract_data sets up a temporary iov_iter and passes it to AF_RXRPC
each time it is called to describe the remaining buffer to be filled.
Instead:
(1) Put an iterator in the afs_call struct.
(2) Set the iterator for each marshalling stage to load data into the
appropriate places. A number of convenience functions are provided to
this end (eg. afs_extract_to_buf()).
This iterator is then passed to afs_extract_data().
(3) Use the new ITER_DISCARD iterator to discard any excess data provided
by FetchData.
Signed-off-by: David Howells <dhowells@redhat.com>
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Include the site of detection of AFS protocol errors in trace lines to
better be able to determine what went wrong.
Signed-off-by: David Howells <dhowells@redhat.com>
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Add a new iterator, ITER_DISCARD, that can only be used in READ mode and
just discards any data copied to it.
This is useful in a network filesystem for discarding any unwanted data
sent by a server.
Signed-off-by: David Howells <dhowells@redhat.com>
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In the iov_iter struct, separate the iterator type from the iterator
direction and use accessor functions to access them in most places.
Convert a bunch of places to use switch-statements to access them rather
then chains of bitwise-AND statements. This makes it easier to add further
iterator types. Also, this can be more efficient as to implement a switch
of small contiguous integers, the compiler can use ~50% fewer compare
instructions than it has to use bitwise-and instructions.
Further, cease passing the iterator type into the iterator setup function.
The iterator function can set that itself. Only the direction is required.
Signed-off-by: David Howells <dhowells@redhat.com>
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Use accessor functions to access an iterator's type and direction. This
allows for the possibility of using some other method of determining the
type of iterator than if-chains with bitwise-AND conditions.
Signed-off-by: David Howells <dhowells@redhat.com>
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Remove the undefinition of READ and WRITE because these constants may be
used elsewhere in subsequently included header files, thus breaking them.
These constants don't actually appear to be used in the driver, so the
undefinition seems pointless.
Fixes: 4562236b3bc0 ("drm/amd/dc: Add dc display driver (v2)")
Signed-off-by: David Howells <dhowells@redhat.com>
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net/sched/cls_api.c has overlapping changes to a call to
nlmsg_parse(), one (from 'net') added rtm_tca_policy instead of NULL
to the 5th argument, and another (from 'net-next') added cb->extack
instead of NULL to the 6th argument.
net/ipv4/ipmr_base.c is a case of a bug fix in 'net' being done to
code which moved (to mr_table_dump)) in 'net-next'. Thanks to David
Ahern for the heads up.
Signed-off-by: David S. Miller <davem@davemloft.net>
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This reverts commit 6fe9487892b32cb1c8b8b0d552ed7222a527fe30.
It is causing more serious regressions than the RCU warning
it is fixing.
Signed-off-by: David S. Miller <davem@davemloft.net>
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There is no need to have the 'struct rocker_desc_info *desc_info'
variable static since new value always be assigned before use it.
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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David writes:
"Networking
1) Fix gro_cells leak in xfrm layer, from Li RongQing.
2) BPF selftests change RLIMIT_MEMLOCK blindly, don't do that. From
Eric Dumazet.
3) AF_XDP calls synchronize_net() under RCU lock, fix from Björn
Töpel.
4) Out of bounds packet access in _decode_session6(), from Alexei
Starovoitov.
5) Several ethtool bugs, where we copy a struct into the kernel twice
and our validations of the values in the first copy can be
invalidated by the second copy due to asynchronous updates to the
memory by the user. From Wenwen Wang.
6) Missing netlink attribute validation in cls_api, from Davide
Caratti.
7) LLC SAP sockets neet to be SOCK_RCU FREE, from Cong Wang.
8) rxrpc operates on wrong kvec, from Yue Haibing.
9) A regression was introduced by the disassosciation of route
neighbour references in rt6_probe(), causing probe for
neighbourless routes to not be properly rate limited. Fix from
Sabrina Dubroca.
10) Unsafe RCU locking in tipc, from Tung Nguyen.
11) Use after free in inet6_mc_check(), from Eric Dumazet.
12) PMTU from icmp packets should update the SCTP transport pathmtu,
from Xin Long.
13) Missing peer put on error in rxrpc, from David Howells.
14) Fix pedit in nfp driver, from Pieter Jansen van Vuuren.
15) Fix overflowing shift statement in qla3xxx driver, from Nathan
Chancellor.
16) Fix Spectre v1 in ptp code, from Gustavo A. R. Silva.
17) udp6_unicast_rcv_skb() interprets udpv6_queue_rcv_skb() return
value in an inverted manner, fix from Paolo Abeni.
18) Fix missed unresolved entries in ipmr dumps, from Nikolay
Aleksandrov.
19) Fix NAPI handling under high load, we can completely miss events
when NAPI has to loop more than one time in a cycle. From Heiner
Kallweit."
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (49 commits)
ip6_tunnel: Fix encapsulation layout
tipc: fix info leak from kernel tipc_event
net: socket: fix a missing-check bug
net: sched: Fix for duplicate class dump
r8169: fix NAPI handling under high load
net: ipmr: fix unresolved entry dumps
net: mscc: ocelot: Fix comment in ocelot_vlant_wait_for_completion()
sctp: fix the data size calculation in sctp_data_size
virtio_net: avoid using netif_tx_disable() for serializing tx routine
udp6: fix encap return code for resubmitting
mlxsw: core: Fix use-after-free when flashing firmware during init
sctp: not free the new asoc when sctp_wait_for_connect returns err
sctp: fix race on sctp_id2asoc
r8169: re-enable MSI-X on RTL8168g
net: bpfilter: use get_pid_task instead of pid_task
ptp: fix Spectre v1 vulnerability
net: qla3xxx: Remove overflowing shift statement
geneve, vxlan: Don't set exceptions if skb->len < mtu
geneve, vxlan: Don't check skb_dst() twice
sctp: get pr_assoc and pr_stream all status with SCTP_PR_SCTP_ALL instead
...
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David writes:
"Sparc fixes:
The main bit here is fixing how fallback system calls are handled in
the sparc vDSO.
Unfortunately, I fat fingered the commit and some perf debugging
hacks slipped into the vDSO fix, which I revert in the very next
commit."
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc:
sparc: Revert unintended perf changes.
sparc: vDSO: Silence an uninitialized variable warning
sparc: Fix syscall fallback bugs in VDSO.
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Dave writes:
"drm fixes for 4.19 final
Just a last set of misc core fixes for final.
4 fixes, one use after free, one fb integration fix, one EDID fix,
and one laptop panel quirk,"
* tag 'drm-fixes-2018-10-19' of git://anongit.freedesktop.org/drm/drm:
drm/edid: VSDB yCBCr420 Deep Color mode bit definitions
drm: fix use of freed memory in drm_mode_setcrtc
drm: fb-helper: Reject all pixel format changing requests
drm/edid: Add 6 bpc quirk for BOE panel in HP Pavilion 15-n233sl
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Doug writes:
"Really final for-rc pull request for 4.19
Ok, so last week I thought we had sent our final pull request for
4.19. Well, wouldn't ya know someone went and found a couple Spectre
v1 fixes were needed :-/. So, a couple *very* small specter patches
for this (hopefully) final -rc week."
* tag 'for-gkh' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma:
RDMA/ucma: Fix Spectre v1 vulnerability
IB/ucm: Fix Spectre v1 vulnerability
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git://anongit.freedesktop.org/drm/drm-misc into drm-fixes
drm-misc-fixes for v4.19:
- Fix use of freed memory in drm_mode_setcrtc.
- Reject pixel format changing requests in fb helper.
- Add 6 bpc quirk for HP Pavilion 15-n233sl
- Fix VSDB yCBCr420 Deep Color mode bit definitions
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/647fe5d0-4ec5-57cc-9f23-a4836b29e278@linux.intel.com
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Trivial fix to spelling mistake in DP_INFO message.
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux
Saeed Mahameed says:
====================
mlx5-updates-2018-10-18
This series provides misc updates to mlx5 core and netdevice driver.
1) From Tariq Toukan: Refactor fragmented buffer struct fields and init flow.
2) From Vlad Buslov, Flow counters cache improvements and fixes follow up.
as a follow up work for the previous series of the mlx5 flow counters,
Vlad provides two fixes:
2.1) Take fs_counters dellist before addlist
Fixes: 6e5e22839136 ("net/mlx5: Add new list to store deleted flow counters")
2.2) Remove counter from idr after removing it from list
Fixes: 12d6066c3b29 ("net/mlx5: Add flow counters idr")
From Shay Agroskin,
3) Add FEC set/get FW commands and FEC ethtool callbacks support
4) Add new ethtool statistics to cover errors on rx, such as FEC errors.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Commit 058214a4d1df ("ip6_tun: Add infrastructure for doing
encapsulation") added the ip6_tnl_encap() call in ip6_tnl_xmit(), before
the call to ipv6_push_frag_opts() to append the IPv6 Tunnel Encapsulation
Limit option (option 4, RFC 2473, par. 5.1) to the outer IPv6 header.
As long as the option didn't actually end up in generated packets, this
wasn't an issue. Then commit 89a23c8b528b ("ip6_tunnel: Fix missing tunnel
encapsulation limit option") fixed sending of this option, and the
resulting layout, e.g. for FoU, is:
.-------------------.------------.----------.-------------------.----- - -
| Outer IPv6 Header | UDP header | Option 4 | Inner IPv6 Header | Payload
'-------------------'------------'----------'-------------------'----- - -
Needless to say, FoU and GUE (at least) won't work over IPv6. The option
is appended by default, and I couldn't find a way to disable it with the
current iproute2.
Turn this into a more reasonable:
.-------------------.----------.------------.-------------------.----- - -
| Outer IPv6 Header | Option 4 | UDP header | Inner IPv6 Header | Payload
'-------------------'----------'------------'-------------------'----- - -
With this, and with 84dad55951b0 ("udp6: fix encap return code for
resubmitting"), FoU and GUE work again over IPv6.
Fixes: 058214a4d1df ("ip6_tun: Add infrastructure for doing encapsulation")
Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Andrey reported the following warning triggered while running CRIU tests:
tcp_clean_rtx_queue()
...
last_ackt = tcp_skb_timestamp_us(skb);
WARN_ON_ONCE(last_ackt == 0);
This is caused by 5f6188a8003d ("tcp: do not change tcp_wstamp_ns
in tcp_mstamp_refresh"), as we end up having skbs in retransmit queue
with a zero skb->skb_mstamp_ns field.
We could fix this bug in different ways, like making sure
tp->tcp_wstamp_ns is not zero at socket creation, but as Neal pointed
out, we also do not want that pacing status of a repaired socket
could push tp->tcp_wstamp_ns far ahead in the future.
So we prefer changing tcp_write_xmit() to not call tcp_update_skb_after_send()
and instead do what is requested by TCP_REPAIR logic.
Fixes: 5f6188a8003d ("tcp: do not change tcp_wstamp_ns in tcp_mstamp_refresh")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: Andrey Vagin <avagin@openvz.org>
Acked-by: Soheil Hassas Yeganeh <soheil@google.com>
Acked-by: Neal Cardwell <ncardwell@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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We initialize a struct tipc_event allocated on the kernel stack to
zero to avert info leak to user space.
Reported-by: syzbot+057458894bc8cada4dee@syzkaller.appspotmail.com
Signed-off-by: Jon Maloy <jon.maloy@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch adds checksum offload and TSO support for the HiNIC
driver. Perfomance test (Iperf) shows more than 100% improvement
in TCP streams.
Signed-off-by: Zhao Chen <zhaochen6@huawei.com>
Signed-off-by: Xue Chaojing <xuechaojing@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In ethtool_ioctl(), the ioctl command 'ethcmd' is checked through a switch
statement to see whether it is necessary to pre-process the ethtool
structure, because, as mentioned in the comment, the structure
ethtool_rxnfc is defined with padding. If yes, a user-space buffer 'rxnfc'
is allocated through compat_alloc_user_space(). One thing to note here is
that, if 'ethcmd' is ETHTOOL_GRXCLSRLALL, the size of the buffer 'rxnfc' is
partially determined by 'rule_cnt', which is actually acquired from the
user-space buffer 'compat_rxnfc', i.e., 'compat_rxnfc->rule_cnt', through
get_user(). After 'rxnfc' is allocated, the data in the original user-space
buffer 'compat_rxnfc' is then copied to 'rxnfc' through copy_in_user(),
including the 'rule_cnt' field. However, after this copy, no check is
re-enforced on 'rxnfc->rule_cnt'. So it is possible that a malicious user
race to change the value in the 'compat_rxnfc->rule_cnt' between these two
copies. Through this way, the attacker can bypass the previous check on
'rule_cnt' and inject malicious data. This can cause undefined behavior of
the kernel and introduce potential security risk.
This patch avoids the above issue via copying the value acquired by
get_user() to 'rxnfc->rule_cn', if 'ethcmd' is ETHTOOL_GRXCLSRLALL.
Signed-off-by: Wenwen Wang <wang6495@umn.edu>
Signed-off-by: David S. Miller <davem@davemloft.net>
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On multi adapter setup if the uld registration fails even on
one adapter, the allocated resources for the uld on all the
adapters are freed, rendering the functioning adapters unusable.
This commit fixes the issue by freeing the allocated resources
only for the failed adapter.
Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When dumping classes by parent, kernel would return classes twice:
| # tc qdisc add dev lo root prio
| # tc class show dev lo
| class prio 8001:1 parent 8001:
| class prio 8001:2 parent 8001:
| class prio 8001:3 parent 8001:
| # tc class show dev lo parent 8001:
| class prio 8001:1 parent 8001:
| class prio 8001:2 parent 8001:
| class prio 8001:3 parent 8001:
| class prio 8001:1 parent 8001:
| class prio 8001:2 parent 8001:
| class prio 8001:3 parent 8001:
This comes from qdisc_match_from_root() potentially returning the root
qdisc itself if its handle matched. Though in that case, root's classes
were already dumped a few lines above.
Fixes: cb395b2010879 ("net: sched: optimize class dumps")
Signed-off-by: Phil Sutter <phil@nwl.cc>
Reviewed-by: Jiri Pirko <jiri@mellanox.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The struct type was copied from the line before but it should be "tx"
instead of "rx". I have reviewed the code and I can't immediately see
that this bug causes a runtime issue.
Fixes: 36e53349b60b ("bnxt_en: Add additional extended port statistics.")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/next-queue
Jeff Kirsher says:
====================
Intel Wired LAN Doc Updates 2018-10-18
This series contains documentation fixes and updates for Intel wired
LAN drivers.
The following was done:
- Updated incorrect URLs
- removed document references which did not apply to the current
in-kernel drivers
- added documentation for fm10k driver
- added missing documentation on existing or new features
- added SPDX headers to all the documentation files
Lastly, the documentation was converted over to the RST (reStructured
Text) format, so that 'make htmldocs' produces pretty html driver
documentation for our drivers.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Clang warns:
drivers/atm/zatm.c:513:7: error: while loop has empty body
[-Werror,-Wempty-body]
zwait;
^
drivers/atm/zatm.c:513:7: note: put the semicolon on a separate line to
silence this warning
Get rid of this warning by using an empty do-while loop. While we're at
it, add parentheses to make it clear that this is a function-like macro.
Link: https://github.com/ClangBuiltLinux/linux/issues/42
Suggested-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Nathan Chancellor <natechancellor@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Clang warns:
drivers/atm/eni.c:244:48: error: for loop has empty body
[-Werror,-Wempty-body]
for (order = 0; (1 << order) < *size; order++);
^
drivers/atm/eni.c:244:48: note: put the semicolon on a separate line to
silence this warning
In this case, that loop is expected to be empty so silence the warning
in the way that Clang suggests.
Link: https://github.com/ClangBuiltLinux/linux/issues/42
Suggested-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Nathan Chancellor <natechancellor@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Update Shrijeet's email address for the VRF entry.
Signed-off-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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These are counters for errors received on rx side, such as
FEC errors.
Signed-off-by: Shay Agroskin <shayag@mellanox.com>
Reviewed-by: Eran Ben Elisha <eranbe@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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Added "Per lane raw errors" capability bit in
Ports Capabilities Mask (PCAM) enhanced features
layout.
This bit determines if the fields "phy_raw_errors_laneX"
in "Physical Layer statistical" counters group are supported.
Signed-off-by: Shay Agroskin <shayag@mellanox.com>
Reviewed-by: Eran Ben Elisha <eranbe@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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Driver callback function for 'ethtool --show-fec',
'ethtool --set-fec' commands.
The query function returns active and configured FEC policy
for current link speed.
The set function sets FEC policy for all supported link
speeds.
1) If current link speed doesn't support requested FEC policy,
the function fails.
2) If a different link speed doesn't support requested FEC
policy, FEC capbilities for this speed are turned off.
Signed-off-by: Shay Agroskin <shayag@mellanox.com>
Reviewed-by: Eran Ben Elisha <eranbe@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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Added functions to query and set link FEC policy.
To get/set FEC capabilities in PPLM reg we need to query
current link speed.
'mlx5_get_fec_speed_field' queries current link speed and returns
correct field offset.
FEC Query's return value is divided into 'active FEC policy', which is
the FEC policy used by the link, and 'configured FEC policy', which
is the FEC policy requested by the user.
The two values may differ if:
1) FEC policy was configured to 'auto',
in which case the active FEC policy would be the default FEC policy
for current link speed.
2) FEC policy was changed, but no link reset is performed. In which case,
the active FEC policy would become the configured one after a link
reset.
FEC set function sets FEC policy for all link speeds and perform link
reset.
1) If current link speed doesn't support requested FEC policy,
the function fails.
2) If a different link speed doesn't support requested FEC policy,
FEC capbilities for this speed are turned off and a warning message
is printed.
Signed-off-by: Shay Agroskin <shayag@mellanox.com>
Reviewed-by: Eran Ben Elisha <eranbe@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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Added FEC related fields to PPLM layout.
These fields are needed to set and query FEC policy
for different link speeds.
Signed-off-by: Shay Agroskin <shayag@mellanox.com>
Reviewed-by: Eran Ben Elisha <eranbe@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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Fs_counters list can temporary become unsorted when new counters are
created/deleted concurrently. Idr is used to quickly lookup position to
insert new counter in logarithmic time. However, if new flows are
concurrently inserted during time window when flows with adjacent ids are
already removed from idr but are still present in counters list,
mlx5_fc_stats_work() observes counters list in inconsistent state, which
results following warning:
[ 1839.561955] mlx5_core 0000:81:00.0: mlx5_cmd_fc_bulk_get:587:(pid 729): Flow counter id (0x102d5) out of range (0x1c0a8..0x1c10b). Counter ignored.
Move idr_remove() call to be executed synchronously with counter deletion
from list. Extract this code to mlx5_fc_stats_remove() helper function that
is called by workqueue job handler mlx5_fc_stats_work().
Fixes: 12d6066c3b29 ("net/mlx5: Add flow counters idr")
Signed-off-by: Vlad Buslov <vladbu@mellanox.com>
Reviewed-by: Roi Dayan <roid@mellanox.com>
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In fs_counters elements from both addlist and dellist are removed by
mlx5_fc_stats_work() without any locking. This introduces race condition
when batch of new rules is created and then immediately deleted (for
example, when error occurred during flow creation). In such case some of
the rules might be in dellist, but not in addlist when mlx5_fc_stats_work()
is executed concurrently with tc, which will result rule deletion and
use-after-free on next iteration because deleted rules are still in
addlist.
Always take dellist first to guarantee that rules can only be deleted after
they were removed from addlist.
Fixes: 6e5e22839136 ("net/mlx5: Add new list to store deleted flow counters")
Signed-off-by: Vlad Buslov <vladbu@mellanox.com>
Reported-by: Chris Mi <chrism@mellanox.com>
Reviewed-by: Roi Dayan <roid@mellanox.com>
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Take struct mlx5_frag_buf out of mlx5_frag_buf_ctrl, as it is not
needed to manage and control the datapath of the fragmented buffers API.
struct mlx5_frag_buf contains control info to manage the allocation
and de-allocation of the fragmented buffer.
Its fields are not relevant for datapath, so here I take them out of the
struct mlx5_frag_buf_ctrl, except for the fragments array itself.
In addition, modified mlx5_fill_fbc to initialise the frags pointers
as well. This implies that the buffer must be allocated before the
function is called.
A set of type-specific *_get_byte_size() functions are replaced by
a generic one.
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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Now that the documents have been updated to conform to the reStructured Text
guidelines, we can now change the file extensions and update the other
related references.
This converts all of the Intel wired LAN driver documentation to *.rst.
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
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Added the fm10k kernel documentation, which apparently was missing.
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
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Before making the conversion to the RST (reStructured Text) format, there
are changes needed to the documentation so that there are no build errors.
Also fixed old/broken URLs to the correct or updated URL.
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
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Before making the conversion to the RST (reStructured Text) format, there
are changes needed to the documentation so that there are no build errors.
Also fixed old/broken URLs to the correct or updated URL.
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
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Before making the conversion to the RST (reStructured Text) format, there
are changes needed to the documentation so that there are no build errors.
Also fixed old/broken URLs to the correct or updated URL.
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Acked-by: Shannon Nelson <shannon.nelson@oracle.com>
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Before making the conversion to the RST (reStructured Text) format, there
are changes needed to the documentation so that there are no build errors.
Also fixed old/broken URLs to the correct or updated URL.
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
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Before making the conversion to the RST (reStructured Text) format, there
are changes needed to the documentation so that there are no build errors.
Also fixed old/broken URLs to the correct or updated URL.
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
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Before making the conversion to the RST (reStructured Text) format, there
are changes needed to the documentation so that there are no build errors.
Also fixed old/broken URLs to the correct or updated URL.
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
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Before making the conversion to the RST (reStructured Text) format, there
are changes needed to the documentation so that there are no build errors.
Also fixed old/broken URLs to the correct or updated URL.
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
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Before making the conversion to the RST (reStructured Text) format, there
are changes needed to the documentation so that there are no build errors.
Also fixed old/broken URLs to the correct or updated URL.
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
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Before making the conversion to the RST (reStructured Text) format, there
are changes needed to the documentation so that there are no build errors.
Also fixed old/broken URLs to the correct or updated URL.
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
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Add the SPDX-Lincense-Identifier to the Intel wired Ethernet *.rst
kernel documentation.
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
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NAPI is enabled by default and IXGB_NAPI was removed since
commit 6d37ab282e24 ("ixgb: make NAPI the only option and the default")
Update the doc accordingly.
Signed-off-by: Corentin Labbe <clabbe@baylibre.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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rtl_rx() and rtl_tx() are called only if the respective bits are set
in the interrupt status register. Under high load NAPI may not be
able to process all data (work_done == budget) and it will schedule
subsequent calls to the poll callback.
rtl_ack_events() however resets the bits in the interrupt status
register, therefore subsequent calls to rtl8169_poll() won't call
rtl_rx() and rtl_tx() - chip interrupts are still disabled.
Fix this by calling rtl_rx() and rtl_tx() independent of the bits
set in the interrupt status register. Both functions will detect
if there's nothing to do for them.
Fixes: da78dbff2e05 ("r8169: remove work from irq handler.")
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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