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One-element arrays are being deprecated[1]. Replace the one-element array
with a simple object of type u_char: 'u_char rm_pad1'[2], once it seems
this is just a placeholder for padding.
[1] https://www.kernel.org/doc/html/v5.9-rc1/process/deprecated.html#zero-length-and-one-element-arrays
[2] https://github.com/KSPP/linux/issues/86
Built-tested-by: kernel test robot <lkp@intel.com>
Link: https://lore.kernel.org/lkml/5f72c23f.%2FkPBWcZBu+W6HKH4%25lkp@intel.com/
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When an L2TPv3 session receives a data frame with an incorrect cookie
l2tp_core logs a warning message and bumps a stats counter to reflect
the fact that the packet has been dropped.
However, the stats counter in question is missing from the l2tp_netlink
get message for tunnel and session instances.
Include the statistic in the netlink get response.
Signed-off-by: Tom Parkin <tparkin@katalix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next
Johan Hedberg says:
====================
pull request: bluetooth-next 2020-09-29
Here's the main bluetooth-next pull request for 5.10:
- Multiple fixes to suspend/resume handling
- Added mgmt events for controller suspend/resume state
- Improved extended advertising support
- btintel: Enhanced support for next generation controllers
- Added Qualcomm Bluetooth SoC WCN6855 support
- Several other smaller fixes & improvements
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Huazhong Tan says:
====================
net: hns3: updates for -next
There are some misc updates for the HNS3 ethernet driver.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Adds debugfs to dump tqp enable status.
Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In order to query specifications of the device, add a new debugfs
command "dev spec" to do that.
Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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NETIF_F_HW_VLAN_CTAG_FILTER is not set in netdev->hw_feature,
but set in netdev->features.
So the handler of NETIF_F_HW_VLAN_CTAG_FILTER in hns3_self_test() is
always true, remove it.
Signed-off-by: Guojia Liao <liaoguojia@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add RoCE VF client reset support by notifying the RoCE VF client
when hns3 VF is resetting and adding a interface to query whether
CMDQ is ready to work.
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add support for UDP segmentation offload to the HNS3 driver
when the device can do it.
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Since the maximun BD number may not be 8 now, so rename
hns3_over_8bd() to hns3_over_max_bd().
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Currently, the driver is able to query the device's specifications,
which includes the maximum BD number of non TSO packet, so replace
macro HNS3_MAX_NON_TSO_BD_NUM with the queried value, and rewrite
macro HNS3_MAX_NON_TSO_SIZE whose value depends on the the maximum
BD number of non TSO packet.
Also, add a new parameter max_non_tso_bd_num to function
hns3_tx_bd_num() and hns3_skb_need_linearized(), then they can get
the maximum BD number of non TSO packet from the caller instead of
calculating by themself, The note of hns3_skb_need_linearized()
should be update as well.
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Stanislaw Kardach says:
====================
octeontx2-af: cleanup and extend parser config
Current KPU configuration data is spread over multiple files which makes
it hard to read. Clean this up by gathering all configuration data in a
single structure and also in a single file (npc_profile.h). This should
increase the readability of KPU handling code (since it always
references same structure), simplify updates to the CAM key extraction
code and allow abstracting out the configuration source.
Additionally extend and fix the parser config to support additional DSA
types, NAT-T-ESP and IPv6 fields.
Patch 1 ensures that CUSTOMx LTYPEs are not aliased with meaningful
LTYPEs where possible.
Patch 2 gathers all KPU profile related data into a single struct and
creates an adapter structure which provides an interface to the KPU
profile for the octeontx2-af driver.
Patches 3-4 add support for Extended DSA, eDSA and Forward DSA.
Patches 5-6 adds IPv6 fields to CAM key extraction and optimize the
parser performance for fragmented IPv6 packets.
Patch 7 refactors ESP handling in the parser to support NAT-T-ESP.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add support for NAT-T-ESP to KPU parser configuration. NAT ESP is a UDP
based protocol. So move ESP to LE so that both UDP and ESP can be
extracted.
Signed-off-by: Kiran Kumar K <kirankumark@marvell.com>
Acked-by: Sunil Goutham <sgoutham@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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IPv6 fragmented packet may not contain completed layer 4 information.
So stop KPU parsing after setting ipv6 fragmentation flag.
Signed-off-by: Abhijit Ayarekar <aayarekar@marvell.com>
Acked-by: Sunil Goutham <sgoutham@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Added some IPv6 protocol fields to the default MKEX profile.
They include everything from the beginning of IP header and up to
source address. The pattern occupies full KW2 in MCAM entry.
Only one out of two LD registers for this protocol is used.
Signed-off-by: Vidhya Vidhyaraman <vraman@marvell.com>
Acked-by: Sunil Goutham <sgoutham@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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KPU profile interpret Extended DSA and eDSA by looking source dev. This
was incorrect and it restricts to use few source device ids and also
created confusion while parsing regular DSA tag. With below patch lookup
was based on bit 12 of Word0. This is always zero for DSA tag and it
should be one for Extended DSA and eDSA.
Signed-off-by: Satha Rao <skoteshwar@marvell.com>
Acked-by: Sunil Goutham <sgoutham@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Marvell Prestera switches supports distributed switch architecture
by inserting Forward DSA tag of 4 bytes right after ethernet SMAC.
This tag don't have a tpid field.
This patch provides parser and extraction support for the same.
Default ldata extraction profile added for FDSA such that Src_port
is extracted and placed inplace of vlanid field. Like extended DSA
and eDSA tags,a special PKIND of 62 is used for this tag.
Signed-off-by: Hariprasad Kelam <hkelam@marvell.com>
Acked-by: Sunil Goutham <sgoutham@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Refactor KPU related NPC code gathering all configuration data in a
structured format and putting it in one place (npc_profile.h).
This increases readability and makes it easier to extend the profile
configuration (as opposed to jumping between multiple header and source
files).
To do this:
* Gather all KPU profile related data into a single adapter struct.
* Convert the built-in MKEX definition to a structured one to streamline
the MKEX loading.
* Convert LT default register configuration into a structure, keeping
default protocol settings in same file where identifiers for those
protocols are defined.
* Add a single point for KPU profile loading, so that its source may
change in the future once proper interfaces for loading such config
are in place.
Signed-off-by: Stanislaw Kardach <skardach@marvell.com>
Acked-by: Sunil Goutham <sgoutham@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Since LD contains LTYPE definitions tweaked toward efficient
NIX_AF_RX_FLOW_KEY_ALG(0..31)_FIELD(0..4) usage, the original location
of NPC_LT_LD_CUSTOM0/1 was aliased with MPLS_IN_* definitions.
Moving custom frame to value 6 and 7 removes the aliasing at the cost of
custom frames being also considered when TCP/UDP RSS algo is configured.
However since the goal of CUSTOM frames is to classify them to a
separate set of RQs, this cost is acceptable.
Signed-off-by: Stanislaw Kardach <skardach@marvell.com>
Acked-by: Sunil Goutham <sgoutham@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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There is a regular need in the kernel to provide a way to declare having
a dynamically sized set of trailing elements in a structure. Kernel code
should always use “flexible array members”[1] for these cases. The older
style of one-element or zero-length arrays should no longer be used[2].
Refactor the code according to the use of a flexible-array member in
struct tc_u_hnode and use the struct_size() helper to calculate the
size for the allocations. Commit 5778d39d070b ("net_sched: fix struct
tc_u_hnode layout in u32") makes it clear that the code is expected to
dynamically allocate divisor + 1 entries for ->ht[] in tc_uhnode. Also,
based on other observations, as the piece of code below:
1232 for (h = 0; h <= ht->divisor; h++) {
1233 for (n = rtnl_dereference(ht->ht[h]);
1234 n;
1235 n = rtnl_dereference(n->next)) {
1236 if (tc_skip_hw(n->flags))
1237 continue;
1238
1239 err = u32_reoffload_knode(tp, n, add, cb,
1240 cb_priv, extack);
1241 if (err)
1242 return err;
1243 }
1244 }
we can assume that, in general, the code is actually expecting to allocate
that extra space for the one-element array in tc_uhnode, everytime it
allocates memory for instances of tc_uhnode or tc_u_common structures.
That's the reason for passing '1' as the last argument for struct_size()
in the allocation for _root_ht_ and _tp_c_, and 'divisor + 1' in the
allocation code for _ht_.
[1] https://en.wikipedia.org/wiki/Flexible_array_member
[2] https://www.kernel.org/doc/html/v5.9-rc1/process/deprecated.html#zero-length-and-one-element-arrays
Tested-by: kernel test robot <lkp@intel.com>
Link: https://lore.kernel.org/lkml/5f7062af.z3T9tn9yIPv6h5Ny%25lkp@intel.com/
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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There is a regular need in the kernel to provide a way to declare having
a dynamically sized set of trailing elements in a structure. Kernel code
should always use “flexible array members”[1] for these cases. The older
style of one-element or zero-length arrays should no longer be used[2].
Refactor the code according to the use of a flexible-array member in
struct qed_ll2_tx_packet, instead of a one-element array and use the
struct_size() helper to calculate the size for the allocations. Commit
f5823fe6897c ("qed: Add ll2 option to limit the number of bds per packet")
was used as a reference point for these changes.
Also, it's important to notice that flexible-array members should occur
last in any structure, and structures containing such arrays and that
are members of other structures, must also occur last in the containing
structure. That's why _cur_completing_packet_ is now moved to the bottom
in struct qed_ll2_tx_queue. _descq_mem_ and _cur_send_packet_ are also
moved for unification.
[1] https://en.wikipedia.org/wiki/Flexible_array_member
[2] https://www.kernel.org/doc/html/v5.9-rc1/process/deprecated.html#zero-length-and-one-element-arrays
Tested-by: kernel test robot <lkp@intel.com>
Link: https://lore.kernel.org/lkml/5f707198.PA1UCZ8MYozYZYAR%25lkp@intel.com/
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Adding reference clock (1us tic) for all LPI timer on Intel platforms.
The reference clock is derived from ptp clk. This also enables all LPI
counter.
Signed-off-by: Rusaimi Amira Ruslan <rusaimi.amira.rusaimi@intel.com>
Signed-off-by: Voon Weifeng <weifeng.voon@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Alex Elder says:
====================
net: ipa: miscellaneous cleanups
This series contains some minor cleanups I've been meaning to get
around to for a while. The first few remove the definitions of some
currently-unused symbols. Several fix some warnings that are reported
when the build is done with "W=2". All are simple and have no effect
on the operation of the code.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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In ipa_uc_response_hdlr() a comment uses the wrong function name
when it describes where a clock reference is taken. Fix this.
Also fix the comment in ipa_uc_response_hdlr() to correctly refer to
ipa_uc_setup(), which is where the clock reference described here is
taken.
Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When "W=2" is supplied to the build command, we get a warning about
shadowing a global declaration (of a typedef) for a variable defined
in ipa_probe(). Rename the variable to get rid of the warning.
Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Fix two spots where a variable "channel_id" is unnecessarily
redefined inside loops in "gsi.c". This is warned about if
"W=2" is added to the build command.
Note that this problem is harmless, so there's no need to backport
it as a bugfix.
Remove a comment in gsi_init() about waking the system; the GSI
interrupt does not wake the system any more.
Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The GSI general interrupt is managed by three registers: enable;
status; and clear. The three registers have same set of field bits
at the same locations. Use a common set of field masks for all
three registers to avoid duplication.
Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The GSI global interrupt is managed by three registers: enable;
status; and clear. The three registers have same set of field bits
at the same locations. Use a common set of field masks for all
three registers to avoid duplication.
Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The GSI interrupt type register and interrupt type mask register
have the same field bits at the same locations. Use a common set of
field masks for both registers rather than essentially duplicating
them. The only place the interrupt mask register uses any of these
is in gsi_irq_enable().
Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Most of the field masks used for fields in a status structure are
unused. Remove their definitions; we can add them back again when
we actually use them to handle arriving status messages. These are
warned about if "W=2" is added to the build command.
Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Only the deaggregation status exception type is ever actually used.
If any other status exception type is reported we basically ignore
it, and consume the packet. Remove the unused definitions of status
exception type symbols; they can be added back when we actually
handle them.
Separately, two consecutive if statements test the same condition
near the top of ipa_endpoint_suspend_one(). Instead, use a single
test with a block that combines the previously-separate lines of
code.
Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Three status opcodes are not currently supported. Symbols
representing their numeric values are defined but never used.
Remove those unused definitions; they can be defined again
when they actually get used.
Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In "gsi_trans.c", the field mask TRE_FLAGS_IEOB_FMASK is defined but
never used. Although there's no harm in defining this, remove it
for now and redefine it at some future date if it becomes needed.
This is warned about if "W=2" is added to the build command.
Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Lijun Pan says:
====================
ibmvnic: refactor some send/handle functions
This patch series rename and factor some send crq request functions.
The new naming aligns better with handle* functions such that it make
the code easier to read and search by new contributors.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Factor send_control_ip_offload out of handle_query_ip_offload_rsp.
Signed-off-by: Lijun Pan <ljp@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Factor send_query_ip_offload out of handle_request_cap_rsp to
pair with handle_query_ip_offload_rsp.
Signed-off-by: Lijun Pan <ljp@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The new name send_query_map pairs with handle_query_map_rsp.
Signed-off-by: Lijun Pan <ljp@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The new name send_request_cap pairs with handle_request_cap_rsp.
Signed-off-by: Lijun Pan <ljp@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The new name send_query_cap pairs with handle_query_cap_rsp.
Signed-off-by: Lijun Pan <ljp@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Set up the speed according to crq->query_phys_parms.rsp.speed.
Fix IBMVNIC_10GBPS typo.
Fixes: f8d6ae0d27ec ("ibmvnic: Report actual backing device speed and duplex values")
Signed-off-by: Lijun Pan <ljp@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The only usage of atmtcp_v_dev_ops is to pass its address to
atm_dev_register() which takes a pointer to const, and comparing its
address to another address, which does not modify it. Make it const to
allow the compiler to put it in read-only memory.
Signed-off-by: Rikard Falkeborn <rikard.falkeborn@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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similarly to what has been done with commit 9d149045b3c0 ("geneve: change
from tx_error to tx_dropped on missing metadata"), avoid reporting errors
to userspace in case the kernel doesn't find any tunnel information for a
skb that is going to be transmitted: an increase of tx_dropped is enough.
tested with the following script:
# for t in ip6gre ip6gretap ip6erspan; do
> ip link add dev gre6-test0 type $t external
> ip address add dev gre6-test0 2001:db8::1/64
> ip link set dev gre6-test0 up
> sleep 30
> ip -s -j link show dev gre6-test0 | jq \
> '.[0].stats64.tx | {"errors": .errors, "dropped": .dropped}'
> ip link del dev gre6-test0
> done
Reported-by: Jianlin Shi <jishi@redhat.com>
Signed-off-by: Davide Caratti <dcaratti@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Karsten Graul says:
====================
net/smc: introduce SMC-Dv2 support
SMC-Dv2 support (see https://www.ibm.com/support/pages/node/6326337)
provides multi-subnet support for SMC-D, eliminating the current
same-subnet restriction. The new version detects if any of the virtual
ISM devices are on the same system and can therefore be used for an
SMC-Dv2 connection. Furthermore, SMC-Dv2 eliminates the need for
PNET IDs on s390.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch covers the small SMCD version 2 changes for CLC decline.
Signed-off-by: Ursula Braun <ubraun@linux.ibm.com>
Signed-off-by: Karsten Graul <kgraul@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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SMC Version 2 defines a first contact extension for CLC accept
and CLC confirm. This patch covers sending and receiving of the
CLC first contact extension.
Signed-off-by: Ursula Braun <ubraun@linux.ibm.com>
Signed-off-by: Karsten Graul <kgraul@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The new format of SMCD V2 CLC accept and confirm is introduced,
and building and checking of SMCD V2 CLC accepts / confirms is adapted
accordingly.
Signed-off-by: Ursula Braun <ubraun@linux.ibm.com>
Signed-off-by: Karsten Graul <kgraul@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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SMCD Version 2 allows to propose up to 8 additional ISM devices
offered to the peer as candidates for SMCD communication.
This patch covers the server side, i.e. selection of an ISM device
matching one of the proposed ISM devices, that will be used for
CLC accept
Signed-off-by: Ursula Braun <ubraun@linux.ibm.com>
Signed-off-by: Karsten Graul <kgraul@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The new format of an SMCD V2 CLC proposal is introduced, and
building and checking of SMCD V2 CLC proposals is adapted
accordingly.
Signed-off-by: Ursula Braun <ubraun@linux.ibm.com>
Signed-off-by: Karsten Graul <kgraul@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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SMCD Version 2 allows to propose up to 8 additional ISM devices
offered to the peer as candidates for SMCD communication.
This patch covers determination of the ISM devices to be proposed.
ISM devices without PNETID are preferred, since ISM devices with
PNETID are a V1 leftover and will disappear over the time.
Signed-off-by: Ursula Braun <ubraun@linux.ibm.com>
Signed-off-by: Karsten Graul <kgraul@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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SMCD version 2 allows usage of ISM devices with hardware PNETID
only, if an Ethernet net_device exists with the same hardware PNETID.
This requires to maintain a list of pnetids belonging to
Ethernet net_devices, which is covered by this patch.
Signed-off-by: Ursula Braun <ubraun@linux.ibm.com>
Signed-off-by: Karsten Graul <kgraul@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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