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srq's attribute max_wr should be 1 less than the total count of wqe.
Fixes: ffb1308b88b6 ("RDMA/hns: Move SRQ code to the reasonable place")
Link: https://lore.kernel.org/r/1588931159-56875-5-git-send-email-liweihang@huawei.com
Signed-off-by: Weihang Li <liweihang@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
When allocating eq buffer, the size of base address page should be defined
by eqe_ba_pg_sz instead of srqwqe_ba_pg_sz.
Fixes: 477a0a387072 ("RDMA/hns: Optimize 0 hop addressing for EQE buffer")
Link: https://lore.kernel.org/r/1588931159-56875-4-git-send-email-liweihang@huawei.com
Signed-off-by: Wenpeng Liang <liangwenpeng@huawei.com>
Signed-off-by: Weihang Li <liweihang@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
The firmware has reduced the number of descriptions of command
HNS_ROCE_OPC_QUERY_PF_TIMER_RES to 1. The driver needs to adapt, otherwise
the hardware will report error 4(CMD_NEXT_ERR).
Fixes: 0e40dc2f70cd ("RDMA/hns: Add timer allocation support for hip08")
Link: https://lore.kernel.org/r/1588931159-56875-3-git-send-email-liweihang@huawei.com
Signed-off-by: Lang Cheng <chenglang@huawei.com>
Signed-off-by: Weihang Li <liweihang@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
The qkey queried through the query ud qp verb is a fixed value and it
should be read from qp context.
Fixes: 926a01dc000d ("RDMA/hns: Add QP operations support for hip08 SoC")
Link: https://lore.kernel.org/r/1588931159-56875-2-git-send-email-liweihang@huawei.com
Signed-off-by: Lijun Ou <oulijun@huawei.com>
Signed-off-by: Weihang Li <liweihang@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Support adding header modifying actions to the RDMA TX flow table.
Signed-off-by: Michael Guralnik <michaelgur@mellanox.com>
Reviewed-by: Mark Bloch <markb@mellanox.com>
Reviewed-by: Maor Gottlieb <maorg@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Current description doesn't include new devices, change it by updating to
have more generic description and remove DRIVER_NAME and DRIVER_VERSION
defines.
Link: https://lore.kernel.org/r/20200513095304.210240-1-leon@kernel.org
Signed-off-by: Shay Drory <shayd@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Move the bpf verifier trace check into the new switch statement in
HEAD.
Resolve the overlapping changes in hinic, where bug fixes overlap
the addition of VF support.
Signed-off-by: David S. Miller <davem@davemloft.net>
The output buffer used in mlx5_cmd_exec_inout() was wrongly changed from
pre-allocated srq_out pointer to an input "out" point. That leads to
unpredictable results in the get_srqc() call later.
Fixes: 31578defe4eb ("RDMA/mlx5: Update mlx5_ib to use new cmd interface")
Link: https://lore.kernel.org/r/20200513100809.246315-1-leon@kernel.org
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
When drop action is used the matching packet will stop processing in
steering and will be dropped. This functionality will allow users to drop
matching packets.
Link: https://lore.kernel.org/r/20200504054227.271486-1-leon@kernel.org
Signed-off-by: Daria Velikovsky <daria@mellanox.com>
Reviewed-by: Maor Gottlieb <maorg@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
User can configure default miss rule in order to skip matching in the user
domain and forward the packet to the kernel steering domain. When user
requests a default miss rule, we add steering rule to forward the traffic
to the next namespace.
Link: https://lore.kernel.org/r/20200504053012.270689-5-leon@kernel.org
Signed-off-by: Maor Gottlieb <maorg@mellanox.com>
Reviewed-by: Mark Zhang <markz@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Move part of the code that get the destinations into function so the code
will be more readable. In addition change the variables definition to be
in reversed christmas tree.
Link: https://lore.kernel.org/r/20200504053012.270689-4-leon@kernel.org
Signed-off-by: Maor Gottlieb <maorg@mellanox.com>
Reviewed-by: Mark Zhang <markz@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
From the mlx5-next branch at
git://git.kernel.org/pub/scm/linux/kernel/git/mellanox/linux
Required for dependencies in following patches
* branch 'mellanox/mlx5-next':
net/mlx5: Add support in forward to namespace
{IB/net}/mlx5: Simplify don't trap code
net/mlx5: Replace zero-length array with flexible-array
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
The fs_core already supports creation of rules with multiple
actions/destinations. Refactor fs_core to handle the case
when don't trap rule is created with destination. Adapt the
calling code in the driver.
Signed-off-by: Maor Gottlieb <maorg@mellanox.com>
Reviewed-by: Mark Zhang <markz@mellanox.com>
Reviewed-by: Mark Bloch <markb@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
It's easier to understand and maintain enable flags of qp using a single
field in type of unsigned long than defining a field for every flags in
the structure hns_roce_qp, and we can add new flags for features more
conveniently in the future.
Link: https://lore.kernel.org/r/1588674607-25337-4-git-send-email-liweihang@huawei.com
Signed-off-by: Lang Cheng <chenglang@huawei.com>
Signed-off-by: Weihang Li <liweihang@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
While reading the TCB field in t4_tcb_get_field32() the wrong mask is
passed as a parameter which leads the driver eventually to a kernel
panic/app segfault from access to an illegal SRQ index while flushing the
SRQ completions during connection teardown.
Fixes: 11a27e2121a5 ("iw_cxgb4: complete the cached SRQ buffers")
Link: https://lore.kernel.org/r/20200511185608.5202-1-bharat@chelsio.com
Signed-off-by: Potnuri Bharat Teja <bharat@chelsio.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
The commit noted below fixed a case where a pq is left on the sdma wait
list.
It however missed another case.
user_sdma_send_pkts() has two calls from hfi1_user_sdma_process_request().
If the first one fails as indicated by -EBUSY, the pq will be placed on
the waitlist as by design.
If the second call then succeeds, the pq is still on the waitlist setting
up a race with the interrupt handler if a subsequent request uses a
different SDMA engine
Fix by deleting the first call.
The use of pcount and the intent to send a short burst of packets followed
by the larger balance of packets was never correctly implemented, because
the two calls always send pcount packets no matter what. A subsequent
patch will correct that issue.
Fixes: 9a293d1e21a6 ("IB/hfi1: Ensure pq is not left on waitlist")
Link: https://lore.kernel.org/r/20200504130917.175613.43231.stgit@awfm-01.aw.intel.com
Cc: <stable@vger.kernel.org>
Reviewed-by: Kaike Wan <kaike.wan@intel.com>
Signed-off-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Local variable netdev is not used in these calls.
It should be noted, that this change is required to work in bonded mode.
Otherwise we would get the following assert:
"RTNL: assertion failed at net/core/dev.c (5665)"
With the calltrace as follows:
dump_stack+0x19/0x1b
netdev_master_upper_dev_get+0x61/0x70
i40iw_addr_resolve_neigh+0x1e8/0x220
i40iw_make_cm_node+0x296/0x700
? i40iw_find_listener.isra.10+0xcc/0x110
i40iw_receive_ilq+0x3d4/0x810
i40iw_puda_poll_completion+0x341/0x420
i40iw_process_ceq+0xa5/0x280
i40iw_ceq_dpc+0x1e/0x40
tasklet_action+0x83/0x140
__do_softirq+0x125/0x2bb
call_softirq+0x1c/0x30
do_softirq+0x65/0xa0
irq_exit+0x105/0x110
do_IRQ+0x56/0xf0
common_interrupt+0x16a/0x16a
? cpuidle_enter_state+0x57/0xd0
cpuidle_idle_call+0xde/0x230
arch_cpu_idle+0xe/0xc0
cpu_startup_entry+0x14a/0x1e0
start_secondary+0x1f7/0x270
start_cpu+0x5/0x14
Link: https://lore.kernel.org/r/20200428131511.11049-1-den@openvz.org
Signed-off-by: Denis V. Lunev <den@openvz.org>
Acked-by: Shiraz Saleem <shiraz.saleem@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
In the mlx4_ib_post_send() flow, some functions call ib_get_cached_pkey()
without checking its return value. If ib_get_cached_pkey() returns an
error code, these functions should return failure.
Fixes: 1ffeb2eb8be9 ("IB/mlx4: SR-IOV IB context objects and proxy/tunnel SQP support")
Fixes: 225c7b1feef1 ("IB/mlx4: Add a driver Mellanox ConnectX InfiniBand adapters")
Fixes: e622f2f4ad21 ("IB: split struct ib_send_wr")
Link: https://lore.kernel.org/r/20200426075921.130074-1-leon@kernel.org
Signed-off-by: Jack Morgenstein <jackm@dev.mellanox.co.il>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
The variable rcqe_sz is being unnecessarily assigned twice, fix this by
removing one of the duplicates.
Fixes: 8bde2c509e40 ("RDMA/mlx5: Update all DRIVER QP places to use QP subtype")
Link: https://lore.kernel.org/r/20200507151610.52636-1-colin.king@canonical.com
Addresses-Coverity: ("Evaluation order violation")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Acked-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
When operating in switchdev mode or using devlink to disable RoCE
only raw Ethernet QPs are allowed to be created.
When in switchdev mode this can lead to passing an invalid port number
as part of the modify qp firmware cmd and will lead to a syndrome
reported back to the user, such as:
* mlx5_cmd_check:803:(pid 50148): RST2INIT_QP(0x502) op_mod(0x0) failed,
status bad parameter(0x3), syndrome (0x177405).
Internal UD QP might be used to test for write combining support (even if
externally we report RoCE as disabled) check for that specific flag and
allow is specifically.
Fixes: b5ca15ad7e61 ("IB/mlx5: Add proper representors support")
Link: https://lore.kernel.org/r/20200506071602.7177-3-leon@kernel.org
Signed-off-by: Mark Bloch <markb@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Assign the profile to the IB device before executing stages. This will
allow to check which profile is being used from within a stage.
Link: https://lore.kernel.org/r/20200506071602.7177-2-leon@kernel.org
Signed-off-by: Mark Bloch <markb@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Add small helpers in order to avoid code duplication and improve code
readability. Decrease the amount of code in the gigantic post_send
function and divide it to readable methods that will help in code
maintenance in the future.
Link: https://lore.kernel.org/r/20200506065513.4668-3-leon@kernel.org
Signed-off-by: Max Gurtovoy <maxg@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Reuse newly introduced mlx5_cmd_exec_in() and mlx5_cmd_exec_inout() to
reduce code duplication in mlx5_ib module.
Link: https://lore.kernel.org/r/20200506065513.4668-2-leon@kernel.org
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
These caps are assigned in query_pf_caps() or set_default_caps(), and
should not be assigned out of these two functions.
Link: https://lore.kernel.org/r/1588242691-12913-4-git-send-email-liweihang@huawei.com
Signed-off-by: Wenpeng Liang <liangwenpeng@huawei.com>
Signed-off-by: Weihang Li <liweihang@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
lp_pktn_ini means the number of loopback slice packets for long messages,
it should depend on MTU(fixed to 4096B currently) and max size of SQ
inline.
Link: https://lore.kernel.org/r/1588242691-12913-3-git-send-email-liweihang@huawei.com
Signed-off-by: Weihang Li <liweihang@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
There is a comments with some chinese semicolons that cause encoding
issues each time hns_roc_hw_v2.h was modified from a IDE. So fix this by
using correct symbols.
Link: https://lore.kernel.org/r/1588242691-12913-2-git-send-email-liweihang@huawei.com
Signed-off-by: Weihang Li <liweihang@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Optimize the SRQ's WQE buffer parameters calculating process to make the
codes more readable by using new functions about multi-hop addressing to
calculating capabilities of SRQ.
Link: https://lore.kernel.org/r/1588071823-40200-6-git-send-email-liweihang@huawei.com
Signed-off-by: Xi Wang <wangxi11@huawei.com>
Signed-off-by: Weihang Li <liweihang@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Just move the SRQ related code to more reasonable place, and unify format
of some prints.
Link: https://lore.kernel.org/r/1588071823-40200-5-git-send-email-liweihang@huawei.com
Signed-off-by: Yixian Liu <liuyixian@huawei.com>
Signed-off-by: Weihang Li <liweihang@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Optimize the QP's WQE buffer parameters calculating process to make the
codes more readable mainly by merging calculation of extended sge space of
kernel and userspace. In addition, add some inline functions to simply
codes about multi-hop addressing.
Link: https://lore.kernel.org/r/1588071823-40200-4-git-send-email-liweihang@huawei.com
Signed-off-by: Xi Wang <wangxi11@huawei.com>
Signed-off-by: Weihang Li <liweihang@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
The MTT (Memory Translate Table) interface is no longer used to configure
the buffer address to BT (Base Address Table) that requires driver
mapping. Because the MTT is not compatible with multi-hop addressing of
the hip08, it is replaced by MTR (Memory Translate Region) interface, and
all the MTT functions should be removed.
Link: https://lore.kernel.org/r/1588071823-40200-3-git-send-email-liweihang@huawei.com
Signed-off-by: Xi Wang <wangxi11@huawei.com>
Signed-off-by: Weihang Li <liweihang@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
PBL table has its own implementation for multi-hop addressing currently,
but for the hardware, all table's addressing use the same logic, there is
no need to implement repeatedly. So optimize the PBL buffer allocation
process by using the mtr's interfaces.
Link: https://lore.kernel.org/r/1588071823-40200-2-git-send-email-liweihang@huawei.com
Signed-off-by: Xi Wang <wangxi11@huawei.com>
Signed-off-by: Lang Cheng <chenglang@huawei.com>
Signed-off-by: Weihang Li <liweihang@huawei.com>
Reported-by: kbuild test robot <lkp@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Calculate UDP source port based on the grh.flow_label. If grh.flow_label
is not valid, we will use minimal supported UDP source port.
Link: https://lore.kernel.org/r/20200504051935.269708-6-leon@kernel.org
Signed-off-by: Mark Zhang <markz@mellanox.com>
Reviewed-by: Maor Gottlieb <maorg@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Calculate and set UDP source port based on the flow label. If flow label
is not defined in GRH then calculate it based on lqpn/rqpn.
Link: https://lore.kernel.org/r/20200504051935.269708-4-leon@kernel.org
Signed-off-by: Mark Zhang <markz@mellanox.com>
Reviewed-by: Maor Gottlieb <maorg@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
The i40iw_arp_table() function can return -EOVERFLOW if
i40iw_alloc_resource() fails so we can't just test for "== -1".
Fixes: 4e9042e647ff ("i40iw: add hw and utils files")
Link: https://lore.kernel.org/r/20200422092211.GA195357@mwanda
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Shiraz Saleem <shiraz.saleem@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Add a new stat that counts admin commands failures, which might help when
debugging different issues.
Link: https://lore.kernel.org/r/20200420062213.44577-4-galpress@amazon.com
Reviewed-by: Daniel Kranzdorf <dkkranzd@amazon.com>
Reviewed-by: Yossi Leybovich <sleybo@amazon.com>
Signed-off-by: Gal Pressman <galpress@amazon.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Add a new stat that counts mmap failures, which might help when debugging
different issues.
Link: https://lore.kernel.org/r/20200420062213.44577-3-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@mellanox.com>
Create CQ errors are already being counted, report them along all other
counters.
Link: https://lore.kernel.org/r/20200420062213.44577-2-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@mellanox.com>
The patch sets the lag tx affinity of the data QPs and the GSI QPs
according to the LAG xmit slave.
For GSI QPs, in case the link layer is Ethenet (RoCE) we create two GSI
QPs, one for each physical port. When the driver selects the GSI QP, it
will consider the port affinity result. For connected QPs, the driver
sets the affinity of the xmit slave.
The above, ensures that RC QP and it's corresponding GSI QP will transmit
from the same physical port.
Link: https://lore.kernel.org/r/20200430192146.12863-17-maorg@mellanox.com
Signed-off-by: Maor Gottlieb <maorg@mellanox.com>
Reviewed-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Move affinity related code in modify qp to function. It's a preparation
for next patch the extend the affinity calculation to consider the xmit
slave.
Link: https://lore.kernel.org/r/20200430192146.12863-16-maorg@mellanox.com
Signed-off-by: Maor Gottlieb <maorg@mellanox.com>
Reviewed-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Following patch adds additional argument to the create AH function, so it
make sense to group ah_attr and flags arguments in struct.
Link: https://lore.kernel.org/r/20200430192146.12863-13-maorg@mellanox.com
Signed-off-by: Maor Gottlieb <maorg@mellanox.com>
Acked-by: Devesh Sharma <devesh.sharma@broadcom.com>
Acked-by: Gal Pressman <galpress@amazon.com>
Acked-by: Weihang Li <liweihang@huawei.com>
Reviewed-by: Jason Gunthorpe <jgg@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
RAW packet QP and underlay QP must be created with either
RQ or SQ, check that.
Fixes: e126ba97dba9 ("mlx5: Add driver for Mellanox Connect-IB adapters")
Link: https://lore.kernel.org/r/20200427154636.381474-37-leon@kernel.org
Signed-off-by: Aharon Landau <aharonl@mellanox.com>
Reviewed-by: Maor Gottlieb <maorg@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Finish separation to blocks of mlx5_ib_create_qp() functions,
so all internal create QP implementation are located in one place.
Link: https://lore.kernel.org/r/20200427154636.381474-36-leon@kernel.org
Reviewed-by: Maor Gottlieb <maorg@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
After major refactoring in create QP flow, it is no needed to call
to destroy QP in XRC_TGT flow.
Link: https://lore.kernel.org/r/20200427154636.381474-35-leon@kernel.org
Reviewed-by: Maor Gottlieb <maorg@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Update all the places in create QP flows to copy response
to the user in one place.
Link: https://lore.kernel.org/r/20200427154636.381474-34-leon@kernel.org
Reviewed-by: Maor Gottlieb <maorg@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Place in one function all udata size checks. This will allow
us move ib_copy_to_udata() in general place and ensure that
it will be performed after call to the FW.
Link: https://lore.kernel.org/r/20200427154636.381474-33-leon@kernel.org
Reviewed-by: Maor Gottlieb <maorg@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Move check that user didn't supplied RSS RAW QP unsupported
command flags to the function that checks all such flags.
Link: https://lore.kernel.org/r/20200427154636.381474-32-leon@kernel.org
Reviewed-by: Maor Gottlieb <maorg@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
The amount of parameters passed in and out between internal mlx5
create QP functions is too large to easily follow the flow. Change
it by grouping all create QP parameter into one structure.
Link: https://lore.kernel.org/r/20200427154636.381474-31-leon@kernel.org
Reviewed-by: Maor Gottlieb <maorg@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
