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This patch fixes a couple of issues highlighted by checkpatch.pl:
* Missing a blank line after declarations
* Alignment should match open parenthesis
Signed-off-by: Romain Aviolat <r.aviolat@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Shahed Shaikh says:
====================
bnx2x: enhancements
This series adds below changes -
- support for VF spoof-check configuration through .ndo_set_vf_spoofchk.
- workaround for MFW bug regarding unexpected bandwidth notifcation
in single function mode.
- supply VF link status as part of get VF config handling.
====================
Signed-off-by: Shahed Shaikh <shahed.shaikh@cavium.com>
Signed-off-by: Ariel Elior <ariel.elior@cavium.com>
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Provide current link status of VF in ndo_get_vf_config
handler.
Signed-off-by: Shahed Shaikh <Shahed.Shaikh@cavium.com>
Signed-off-by: Ariel Elior <ariel.elior@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This is a workaround for FW bug -
MFW generates bandwidth attention in single function mode, which
is only expected to be generated in multi function mode.
This undesired attention in SF mode results in incorrect HW
configuration and resulting into Tx timeout.
Signed-off-by: Shahed Shaikh <Shahed.Shaikh@cavium.com>
Signed-off-by: Ariel Elior <ariel.elior@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add support for `ndo_set_vf_spoofchk' to allow PF control over
its VF spoof-checking configuration.
Signed-off-by: Shahed Shaikh <shahed.shaikh@cavium.com>
Signed-off-by: Ariel Elior <ariel.elior@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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kfree_skb has taken the null pointer into account. hence it is safe
to remove the redundant null pointer check before kfree_skb.
Signed-off-by: zhong jiang <zhongjiang@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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We accidentally left out this error return so it leads to some use after
free bugs later on.
Fixes: 0a0be13b8fe2 ("vhost_net: batch submitting XDP buffers to underlayer sockets")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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zhong jiang says:
====================
net: remove redundant null pointer check before kfree_skb
The issue is detected with the help of Coccinelle.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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kfree_skb has taken the null pointer into account. hence it is safe
to remove the redundant null pointer check before kfree_skb.
Signed-off-by: zhong jiang <zhongjiang@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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kfree_skb has taken the null pointer into account. hence it is safe
to remove the redundant null pointer check before kfree_skb.
Signed-off-by: zhong jiang <zhongjiang@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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kfree_skb has taken the null pointer into account. hence it is safe
to remove the redundant null pointer check before kfree_skb.
Signed-off-by: zhong jiang <zhongjiang@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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kfree_skb has taken the null pointer into account. hence it is safe
to remove the redundant null pointer check before kfree_skb.
Signed-off-by: zhong jiang <zhongjiang@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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kfree_skb has taken the null pointer into account. hence it is safe
to remove the redundant null pointer check before kfree_skb.
Signed-off-by: zhong jiang <zhongjiang@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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kfree_skb has taken the null pointer into account. hence it is safe
to remove the redundant null pointer check before kfree_skb.
Signed-off-by: zhong jiang <zhongjiang@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The continue will not truely skip any code. hence it is safe to
remove it.
Signed-off-by: zhong jiang <zhongjiang@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The continue will not truely skip any code. hence it is safe to
remove it.
Signed-off-by: zhong jiang <zhongjiang@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Action API was changed to work with actions and action_idr in concurrency
safe manner, however tcf_del_walker() still uses actions without taking a
reference or idrinfo->lock first, and deletes them directly, disregarding
possible concurrent delete.
Change tcf_del_walker() to take idrinfo->lock while iterating over actions
and use new tcf_idr_release_unsafe() to release them while holding the
lock.
And the blocking function fl_hw_destroy_tmplt() could be called when we
put a filter chain, so defer it to a work queue.
Signed-off-by: Vlad Buslov <vladbu@mellanox.com>
[xiyou.wangcong@gmail.com: heavily modify the code and changelog]
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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David Ahern says:
====================
net: wean netfilter from fib_nh
Two netfilter modules reference fib_nh. In both cases the code is
only checking if a nexthop in a fib_info uses a specific device.
Both instances essentially duplicate code from __fib_validate_source,
so move that code into a helper and flip the netfilter modules to
use it.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Convert nft_fib4_eval to the new device checking helper and
remove the duplicate code.
Signed-off-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Convert rpfilter_lookup_reverse to the new device checking helper
and remove the duplicate code.
Signed-off-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Move the device matching check in __fib_validate_source to a helper and
export it for use by netfilter modules. Code move only; no functional
change intended.
Signed-off-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The header ocelot_dev_gmii.h is unused since the inclusion of the driver.
It is unused, lets just remove it.
Signed-off-by: Corentin Labbe <clabbe@baylibre.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Ido Schimmel says:
====================
mlxsw: Further MC-awareness configuration
Petr says:
Due to an issue in Spectrum chips, when unicast traffic shares the same
queue as BUM traffic, and there is congestion, the BUM traffic is
admitted to the queue anyway, thus pushing out all UC traffic. In order
to give unicast traffic precedence over BUM traffic, multicast-aware
mode is now configured on all ports. Under MC-aware mode, egress TCs
8..15 are used for BUM traffic, which has its own dedicated pool.
This patch set improves the way that the MC pool and the higher-order
TCs are integrated into the system.
In patch #1, shaper at the higher TCs is configured to the same value
that it has by default. It's better to have the corresponding artifact
in the code explicitly.
The 8 following patches gradually extend the devlink handling in mlxsw
to support the extra TCs and the new MC pool.
Patch #2 changes the way that pools are indexed in mlxsw. Instead of
using (FW index, direction) tuple to identify the pool and the
associated cache, mlxsw now uses devlink index. This change is necessary
because the new pool 15 is not contiguously adjacent to the
currently-used pools 0..3, and because it's only relevant on egress.
Using devlink index relaxes the requirement for symmetry and adjacency
imposed by using FW indexing.
In patch #3, the assumption that number of ingress TCs matches that of
egress TCs is relaxed to allow exposition of egress TCs 8..15.
In patches #4, #5 and #6, support for infinite quotas is introduced.
Infinite quotas are reported as taking all the memory in the system, but
actually use a mechanism where the infinity is configured explicitly.
In patches #7 and #8, support for configuring static pool sizes in
introduced. Statically-sized pools have been supported for a while now,
but during initialization, all pools have dynamic size. The patches
allow there to be a mix of by-default static and dynamic pools.
In patches #9 and #10, pool 15 resp. per-priority MC quotas are
explicitly configured to be in sync with the current recommendation for
handling BUM traffic in Spectrum chips.
In the following 3 patches, an mlxsw-specific selftest is added to test
the MC-awareness configuration.
First in patches #11 and #12, lib.sh is extended with functions to
collect ethtool stats, and to manage port MTU.
Then in patch #13 the selftest itself is added.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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A so-called "MC-aware" mode has recently been enabled in mlxsw. In
MC-aware mode, BUM traffic is handled in a special way so that when a
switch is flooded with BUM, UC performance isn't unduly impacted.
Without enablement of this mode, a stream of BUM traffic can cause
sustained UC throughput drop in excess of 99 %.
Add a test for this behavior. Compare how much UC throughput degrades as
a stream of broadcast frames floods the switch. A minimal degradation is
tolerated to cover for glitches in traffic injection performance.
Signed-off-by: Petr Machata <petrm@mellanox.com>
Reviewed-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Some selftests need to tweak MTU of an interface, and naturally should
at teardown restore the MTU back to the original value. Add two
functions to facilitate this MTU handling: mtu_set() to change MTU
value, and mtu_reset() to change it back to what it was before.
Signed-off-by: Petr Machata <petrm@mellanox.com>
Reviewed-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add a new service function to obtain ethtool counters.
Signed-off-by: Petr Machata <petrm@mellanox.com>
Reviewed-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The SBMM register configures shared buffer allocation and settings for
MC packets according to switch priority. The recommended values are no
reserved buffer and alpha of 1/4, which corresponds to buf_max of 6.
Update mlxsw_sp_sb_mms accordingly.
Signed-off-by: Petr Machata <petrm@mellanox.com>
Reviewed-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Pool 15 (indexed as 8) is dedicated to MC traffic. Its configuration has
been kept at default, because the table-based configuration wasn't
expressive enough to allow the explicit configuration.
Now that the configuration of pool 15 can be described, do so. The MC
pool should have infinite size, infinite per-TC quota, and per-port
limit of 90K.
Signed-off-by: Petr Machata <petrm@mellanox.com>
Reviewed-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Some pools configured through the sb_pm entries may have by default
static size. The MC pool is now not explicitly configured, however it
gets configured as static implicitly by 0-initializing sb->prs, and a
follow-up patch adds an explicit configuration to the same effect.
To support this, pass max_buff taken from sb_pm and sb_cm entries
through cell conversion before handing it to mlxsw_sp_sb_pm_write(), if
the pool that the sb_pm entry configures is statically-sized.
To keep current behavior, update mlxsw_sp_sb_cms_egress[] to denote
buffer sizes in bytes (assuming Spectrum 1 cell sizes, which the
original code assumed as well) instead of cells. Note that a follow-up
patch changes this to infinite size.
Also tweak a comment at SBMM configuration to remain true now that
statically-sized pools exist.
Signed-off-by: Petr Machata <petrm@mellanox.com>
Reviewed-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The SBPM register configures the shared buffer allocation and
configuration per port and pool. The min_buff value is the buffer size
dedicated to this single function, and is configured in cells.
Currently, all sb_pm entries have 0 for min_buff, and therefore the
actual unit is immaterial. However, in a follow-up patch we want to add
entries with non-zero minimum.
Therefore pass the min_buff from the sb_pm table through the cell
conversion before handing it over to mlxsw_sp_sb_pm_write().
Signed-off-by: Petr Machata <petrm@mellanox.com>
Reviewed-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The SBCM register configures the shared buffer configuration according
to port and TC. So far all pools have had a dynamic size, where the
infinite size is easy to express by using max_buff of 0xff. However the
MC pool should be configured with static size, and the infinite size
thus needs to be set using the field SBCM.infi_max.
Therefore add the field infi_max to the SBCM register and to
mlxsw_reg_sbcm_pack(). Extend mlxsw_sp_sb_cm_write() to handle infinite
sizes as well. Report infinite pool limits as if the limit actually were
the total shared buffer size.
Signed-off-by: Petr Machata <petrm@mellanox.com>
Reviewed-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The MC pool should have an infinite size (i.e. no quota).
To that end, add infi_size to the SBPR register and extend
mlxsw_reg_sbpr_pack(). Also add MLXSW_SP_SB_INFI to denote
buffers that should have an infinite size.
Change mlxsw_sp_sb_pr_write() to take as parameter byte size,
instead of cell size, and add the special handling of infinite
buffers. Report pools with infinite size as if they actually
take the full shared buffer size.
Signed-off-by: Petr Machata <petrm@mellanox.com>
Reviewed-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Entities of infinite size will be reported as if they had the maximum
size allowed by the chip. To that end, keep track of maximum shared
buffer size in mlxsw_sp->sb.
Signed-off-by: Petr Machata <petrm@mellanox.com>
Reviewed-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Current code assumes that ingress and egress has the same number of
traffic classes. Since the introduction of MC-aware mode that assumption
hasn't held anymore, and there have been 16 TCs on the egress as opposed
to 8 on ingress.
Break the assumption of symmetry by splitting the artifacts related to
shared-buffer TC counting to ingress and egress parts.
Signed-off-by: Petr Machata <petrm@mellanox.com>
Reviewed-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Currently, mlxsw assumes that each ingress pool has its egress
counterpart, and that pool index for purposes of caching matches the
index with which the hardware should be configured. As we want to expose
the MC pool, both of these assumptions break.
Instead, maintain the pool index as long as possible. Unify ingress and
egress caches and use the pool index as cache index as well. Only
translate to FW pool numbering when actually packing the registers. This
simplifies things considerably, as the pool index is the only quantity
necessary to uniquely identify a pool, and the pool/direction split is
not necessary until firmware is talked to.
To support the mapping between pool indices and pool numbers and
directions, which is not neatly mathematical anymore, introduce a pool
descriptor table, indexed by pool index, to facilitate the translation.
Include the MC pool in the descriptor table as well, so that it can be
referenced from mlxsw_sp_sb_cms_egress.
Signed-off-by: Petr Machata <petrm@mellanox.com>
Reviewed-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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With introduction of MC-aware mode to mlxsw, it became necessary to
configure TCs above 7 as well. There is now code in mlxsw to disable ETS
for these higher classes, but disablement of max shaper was neglected.
By default, max shaper is currently disabled to begin with, so the
problem is just cosmetic. However, for symmetry, do like we do for ETS
configuration, and call mlxsw_sp_port_ets_maxrate_set() for both TC i
and i + 8.
Signed-off-by: Petr Machata <petrm@mellanox.com>
Reviewed-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Clang warns when more than one set of parentheses are used for single
conditional statements:
drivers/isdn/hisax/w6692.c:627:30: warning: equality comparison with
extraneous parentheses [-Wparentheses-equality]
if ((cs->dc.w6692.ph_state == W_L1IND_DRD)) {
~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~
drivers/isdn/hisax/w6692.c:627:30: note: remove extraneous parentheses
around the comparison to silence this warning
if ((cs->dc.w6692.ph_state == W_L1IND_DRD)) {
~ ^ ~
drivers/isdn/hisax/w6692.c:627:30: note: use '=' to turn this equality
comparison into an assignment
if ((cs->dc.w6692.ph_state == W_L1IND_DRD)) {
^~
=
1 warning generated.
Remove the parentheses to silence this warning.
Reported-by: Nick Desaulniers <ndesaulniers@google.com>
Signed-off-by: Nathan Chancellor <natechancellor@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Fixes gcc '-Wunused-but-set-variable' warning:
drivers/net/ethernet/atheros/atlx/atl1.c: In function 'atl1_set_link_ksettings':
drivers/net/ethernet/atheros/atlx/atl1.c:3280:6: warning:
variable 'advertising' set but not used [-Wunused-but-set-variable]
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Fixes gcc '-Wunused-but-set-variable' warning:
drivers/net/ethernet/intel/e1000/e1000_main.c: In function 'e1000_watchdog':
drivers/net/ethernet/intel/e1000/e1000_main.c:2436:9: warning:
variable 'txb2b' set but not used [-Wunused-but-set-variable]
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The local variable 'index_specified' is never used after being assigned.
hence it should be redundant adn can be removed.
Signed-off-by: zhong jiang <zhongjiang@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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NFP supports fairly enormous ring sizes (up to 256k descriptors).
In commit 466271703867 ("nfp: use kvcalloc() to allocate SW buffer
descriptor arrays") we have started using kvcalloc() functions to
make sure the allocation of software state arrays doesn't hit
the MAX_ORDER limit. Unfortunately, we can't use virtual mappings
for the DMA region holding HW descriptors. In case this allocation
fails instead of the generic (and fairly scary) warning/splat in
the logs print a helpful message explaining what happened and
suggesting how to fix it.
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Dirk van der Merwe <dirk.vandermerwe@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Setting register 0x82 to value 01 is done a few lines before for all
chip versions <= 06 anyway. And setting PHY register 0x0b to value 00
is done at the end of rtl8169s_hw_phy_config() already. So we can
remove this.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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PCI_LATENCY_TIMER is ignored on PCIe, therefore we have to do this
for the PCI chips (version <= 06) only. Also we can move setting
PCI_CACHE_LINE_SIZE.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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That local variable are never used after being assigned.
hence it should be redundant and can be removed.
Signed-off-by: zhong jiang <zhongjiang@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The local variable 'k' is never used after being assigned.
hence it should be redundant adn can be removed.
Signed-off-by: zhong jiang <zhongjiang@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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There is no way currently for an IPv6 client connect using a loopback
address in a VRF, whereas for IPv4 the loopback address can be added:
$ sudo ip addr add dev vrfred 127.0.0.1/8
$ sudo ip -6 addr add ::1/128 dev vrfred
RTNETLINK answers: Cannot assign requested address
So allow ::1 to be configured on an L3 master device. In order for
this to be usable ip_route_output_flags needs to not consider ::1 to
be a link scope address (since oif == l3mdev and so it would be
dropped), and ipv6_rcv needs to consider the l3mdev to be a loopback
device so that it doesn't drop the packets.
Signed-off-by: Robert Shearman <rshearma@vyatta.att-mail.com>
Signed-off-by: Mike Manning <mmanning@vyatta.att-mail.com>
Reviewed-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Salil Mehta says:
====================
Fixes, cleanups & minor additions to HNS3 driver
This patch-set present some fixes, cleanups to the HNS3 PF and VF driver.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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So far all the places calling hclge_tm_q_to_qs_map_cfg() are assigning
an u16 type value to "q_id", and in the processing of
hclge_tm_q_to_qs_map_cfg(), it also converts the "q_id" to le16.
The max tqp number for pf can be more than 256, we should use "u16" to
store the queue id, instead of "u8", which may cause data lost.
Fixes: 848440544b41 ("net: hns3: Add support of TX Scheduler & Shaper to HNS3 driver")
Signed-off-by: Jian Shen <shenjian15@huawei.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When roce is loaded before nic, the roce client will not be initialized
until nic client is initialized, but roce init flag is set before it.
Furthermore, in this case of nic initialized success and roce failed,
the nic init flag is not set, and roce init flag is not cleared.
This patch fixes it by set init flag only after the client is initialized
successfully.
Fixes: e2cb1dec9779 ("net: hns3: Add HNS3 VF HCL(Hardware Compatibility Layer) Support")
Fixes: 46a3df9f9718 ("net: hns3: Add HNS3 Acceleration Engine & Compatibility Layer Support")
Signed-off-by: Jian Shen <shenjian15@huawei.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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If initialize client failed or finish uninitializing client, we should
clear the client pointer. It may cause unexpected result when use
uninitialized client. Meanwhile, we also should check whether client
exist when uninitialize it.
Fixes: 46a3df9f9718 ("net: hns3: Add HNS3 Acceleration Engine & Compatibility Layer Support")
Signed-off-by: Jian Shen <shenjian15@huawei.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Romain Aviolat
David S. Miller
Shahed Shaikh
zhong jiang
Dan Carpenter
Vlad Buslov
David Ahern
Corentin Labbe
Petr Machata
Nathan Chancellor
YueHaibing
Jakub Kicinski
Heiner Kallweit
Robert Shearman
Jian Shen