Add support for QRTR to forward messages between network clusters. The
network subnet id's are attached to the QRTR subnodes in the MHI and
RPMSG/GLINK nodes.
The current forwarding decisions are done based on the net ids and are
wrapped in a single function for easier maintenance of forwarding
decisions later on. The function will return true once it determines
a subnet has no connection to another subnet.
The NEW_SERVER, DEL_SERVER, and DEL_CLIENT control messages should be
forwarded while the DATA and RESUME_TX commands should be passed along
to their destination node.
The nameservice is expected to send NEW_SERVER commands for it's entire
database instead of just the local service database with these changes.
This is to make sure new nodes get service notifications that came
earlier and were meant to be forwarded to the new node.
This change squashes the following commits from msm-4.14:
commit e5f6a6769ceb ("net: qrtr: Add forwarding support based on net id")
commit 4516ab18718d ("net: qrtr: avoid deadlock in case of recursive
lock for node list")
commit dc2d47cd12d3 ("net: qrtr: Only update pkts with broadcast node
ID")
commit 4277aebeff91 ("net: qrtr: Free skb if qrtr_node_lookup fails
during qrtr_fwd_pkt")
In addition fix minor format issues and update copyright.
Change-Id: Iaf01dd212b07dfbb13ec087ea0aae980cda7c2fd
Signed-off-by: Chris Lew <quic_clew@quicinc.com>
There is a requirement where slimbus slave don't expect ports
to be disconnected during stream unprepare for sample rates
other than 44.1/88.2k, which is causing mute issues.
Added new slim_stream_unprepare_disconnect_port API to support
disconnect port request from clients without freeing port memory
allocated during stream prepare.
Change-Id: Idb00a1fdf15d864cb6ee82f67c0db4777434b296
Signed-off-by: Anvesh Salveru <quic_asalveru@quicinc.com>
Exit with an error from mem_buf_lend_internal() if the driver hasn't
probed.
Change-Id: Ide42166c2f850197f989a228f9139d401411a914
Signed-off-by: Chris Goldsworthy <quic_cgoldswo@quicinc.com>
IPC logging and IRQ naming depend on the name variable in the glink
data structure. Add device tree name reading code that was removed
by upstream.
Change-Id: Id1c521d94b8a3c9557273d8f8b072e7e87a1b759
Signed-off-by: Chris Lew <quic_clew@quicinc.com>
There will be non-atomic work associated with receiving the tx resume
packet from the remote. Move the handling to work function context in
preparation for the non-blocking socket blocking improvement.
In system heavy load cases the rx work queued in global worker queue is
getting delayed and causing clients request timeouts.
Create and use separate worker thread to process qrtr rx packets.
Change-Id: I2389bdcffba068258650bfbb579f8cb98a0ac928
Signed-off-by: Chris Lew <quic_clew@quicinc.com>
synchronize_rcu() is slow and can create delays on creating/removing
sockets.
Some clients have latency requirements for spinning off a
thread that creates a client and lookup sockets for some sessions. They
close the lookup socket during this sequence which causes delays. Each
call to synchronize_rcu takes 20-40 ms which is too long.
Remove the rcu logic and change qrtr_port_lock to a spinlock so it can
be used in qrtr_port_lookup which may be used in atomic context.
Change-Id: I3244e31d3ca0599df794d3936033735bcdd3e972
Signed-off-by: Jay Jayanna <jayanna@codeaurora.org>
Signed-off-by: Chris Lew <quic_clew@quicinc.com>
Give control port access to processes that have root user priveleges,
AID_VENDOR_QRTR user priveleges, or NET_ADMIN capabilities.
Remove the need for SYS_ADMIN priveleges because they will not be
granted on any QTI targets.
This change squashes the following commits from msm-4.14:
commit 17da4da93c96 ("qrtr: Allow net bind service capabilities")
commit 56faadfd27b4 ("qrtr: Fix NET_BIND_SERVICE logic")
commit 82ea58d60c46 ("net: qrtr: Allow control port access to
AID_VENDOR_QRTR")
commit 9db4f5803ce1 ("net: qrtr: Allow Root guid process to bind")
In addition fix minor format issues.
Change-Id: I1441cbf53eb62880333a1031334a5331c1f54a77
Signed-off-by: Chris Lew <quic_clew@quicinc.com>
If a port tries to send a message before the name service binds to the
control port, then that message should succeed. This will allow clients
to operate normally until the name service comes online and causes a
net reset to restart all the ports.
Change-Id: Ica0a5e45df0e51f282e5bf426d11ff8e41b339c4
Signed-off-by: Chris Lew <quic_clew@quicinc.com>
A dl callback can be received anytime after mhi_prepare_for_transfer
has been called. There is a window where the callback may happen
before the probe initializes the qrtr_mhi_dev state. Move
mhi_prepare_for_transfer after the registering the endpoint.
Once moved, the reverse can happen where qrtr will try to send a packet
before the channels are prepared. Add a wait in the sending path to
ensure the channels are prepared before trying to do a ul transfer.
Change-Id: Ib5bf34ec8c1fa56a8ce29c89449d062de7133846
Signed-off-by: Bhaumik Bhatt <bbhatt@codeaurora.org>
Signed-off-by: Chris Lew <quic_clew@quicinc.com>
Some transports need to know qrtr packet to read complete packet
from underlying transport.
Add API support to get the incoming packet size form qrtr header.
Change-Id: I4e4e4ab2e4c1fe0e1e1261af85a8b8618ce65bb3
Signed-off-by: Arun Kumar Neelakantam <aneela@codeaurora.org>
Signed-off-by: Chris Lew <quic_clew@quicinc.com>
Log packets processed by ns using ipc logging framework.
Change-Id: I08e9b8551efb4a58cf899835cfac25c1952bd4b8
Signed-off-by: Jay Jayanna <jayanna@codeaurora.org>
Signed-off-by: Chris Lew <quic_clew@quicinc.com>
Error prints for commands that are broadcasted may spam the kernel logs
if a client is misbehaving and stops reading from it's socket.
Change these prints to ratelimited in order to prevent performance
issues when a client socket is full.
Change-Id: I5aa5fa1f693f9865a3d28f28de38f870a42fbc8d
Signed-off-by: Chris Lew <quic_clew@quicinc.com>
Add pr_fmt to the ns file for easier error log matching.
Change-Id: I711735ee60c1fd9fde25850b8e625bb44c04f4c4
Signed-off-by: Chris Lew <quic_clew@quicinc.com>
Ignore the ENODEV failures returned by kernel_sendmsg(). These errors
mean either the local port has closed or the remote has gone down.
Neither of these scenarios are fatal and will eventually be handled
through packets that are later queued on the control port.
Also improve the logging messages to print the error code returned by
kernel_sendmsg().
Change-Id: Ibcebd1f44a3fbc87febaa84b11e05675663da5a0
Signed-off-by: Chris Lew <quic_clew@quicinc.com>
Increase the socket recvbuf for the ns so control packets are not
dropped in heavy traffic situations. This change will not
actually set the recvbuf to INT_MAX but to the system defined rmem_max
for sockets.
Change-Id: I860cc1052080cc6e683b44bef1dd9f8fc1899f31
Signed-off-by: Jay Jayanna <jayanna@codeaurora.org>
Signed-off-by: Chris Lew <quic_clew@quicinc.com>
If worker is not processing packets on control port fast enough,
socket buffer may get full and result in drop of control packets.
Creating dedicated worker thread to process control packets.
CRs-Fixed: 2763561
Change-Id: I4585015cef2a507a9ba13014cd93f40e60f8a25a
Signed-off-by: Deepak Kumar Singh <deesin@codeaurora.org>
Signed-off-by: Chris Lew <quic_clew@quicinc.com>
Enable QCOM_SPSS and its dependency, CONFIG_RPMSG_QCOM_SMD.
Change-Id: I4f1446d82a6cd1f7dd43c46519634d70390a4005
Signed-off-by: Guru Das Srinagesh <quic_gurus@quicinc.com>
Add snapshot of the QCOM_SPSS driver from msm-5.15 commit 23fe038a2ea4
("Kconfig: Add support for kona chipset").
Change-Id: I7c419a62b14e21d45b3e8bcc2785570012a7c09a
Signed-off-by: Guru Das Srinagesh <quic_gurus@quicinc.com>
Fix pll enable output incase of when pll is not configured from boot.
Change-Id: I076ae750bad956c37d0a790b07fb9892f3149a0c
Signed-off-by: Vivek Aknurwar <quic_viveka@quicinc.com>
By enabling this flag init_boot.img will be generated if
the header version is 4.
Change-Id: I8a01d10cee8142ef900376d7e3d29f1b49e80d00
Signed-off-by: Gokul krishna Krishnakumar <quic_gokukris@quicinc.com>
Adding Bootconfig to kernel command line to support
the version change.
Change-Id: I24b667e494e5bbf14397f16d9ef7219634f3f17b
Signed-off-by: Gokul krishna Krishnakumar <quic_gokukris@quicinc.com>
If coresight-name exists in etm/ete nodes, use coresight-name value
as device name.
Change-Id: I1297241d8ddc2b29f8745ed33ed5b2089f6b0bcb
Signed-off-by: Mao Jinlong <jinlmao@codeaurora.org>
Signed-off-by: Tao Zhang <quic_taozha@quicinc.com>
Signed-off-by: Mao Jinlong <quic_jinlmao@quicinc.com>
Before call swiotlb_init_io_tlb_mem, should allocate memory
for areas firstly.
Change-Id: Ib121040817cbae4a44f06ae62fe4b0e0fa27c796
Signed-off-by: Peng Yang <quic_penyan@quicinc.com>
Move to IPC logs for the MHI host driver to enable better and
persistent logging that can ensure bootup logs are not lost and
allow ease of pulling logs from crashdumps.
Change-Id: I334335f56acb850f418e5a37b0538545c5b9ea30
Signed-off-by: Lazarus Motha <quic_lmotha@quicinc.com>
When an invalid BW request is sent by the device to the host
to proccess, a value of 0x1 is written to the bw_scale_db
register.
Change-Id: I362e9b308142fe5a9107d46789d26cb38933e858
Signed-off-by: Lazarus Motha <quic_lmotha@quicinc.com>
In RDDM EE, device can not process MHI reset
issued by host. In case of MHI power off, host
is issuing MHI reset and polls for it to get
cleared until it times out. Since this timeout
can not be avoided in case of RDDM, skip the
MHI reset in this scenarios.
Change-Id: Ide4311ba8705861179bfbfef650f00fa0f97c062
Signed-off-by: Hemant Kumar <quic_hemantk@quicinc.com>
Signed-off-by: Lazarus Motha <quic_lmotha@quicinc.com>
Currently fatal error notification is done from
fast resume path. This does not cover RDDM EE
change via BHI Intvec. As a result of the some
critical clients are unable to perform cleanup
and does not come up after recovery. In case
if RDDM EE change never comes notify clients
from mhi force reset context.
Change-Id: Iea1f1d86e9a28c08e8d58100715004f3b2abfd96
Signed-off-by: Hemant Kumar <quic_hemantk@quicinc.com>
Signed-off-by: Lazarus Motha <quic_lmotha@quicinc.com>
This optional runtime PM last busy update callback to the
controller is provided to keep the busy timestamps up to date
from MHI core driver such that it can reset the autosuspend
timer for runtime PM.
Change-Id: Ifc9abce860739b92d29fc257afd169d08a738379
Signed-off-by: Bhaumik Bhatt <quic_bbhatt@quicinc.com>
Signed-off-by: Lazarus Motha <quic_lmotha@quicinc.com>
This reverts commit 4547a749be.
This is done to ensure internal usecases with WLAN are not
impacted with high power usage. Runtime PM get also results in a
WoW exit and is also unnecessary as we already have the if
suspended check and the pending packets counter in place to take
care of rejecting suspends if they occur. The only major benefit
of this patch was to ensure controller is able to mark last busy
timestamp for runtime PM. If needed, support for it can be added
in a future patch to allow controller to update the timestamp.
Change-Id: I3e16ab3631468edd0fda3657adf0f5ae55f0be16
Signed-off-by: Bhaumik Bhatt <quic_bbhatt@quicinc.com>
Signed-off-by: Lazarus Motha <quic_lmotha@quicinc.com>
Data terminal ready driver should not be started until other
client drivers are probed so that they can get the necessary
notifications when updates are made available to them by the
device via incoming messages. Adjust flow of the driver and
ensure DTR driver starts after all other devices are created
by core driver.
Change-Id: I9e0bcb87a3b59a66fede0c82ded94a704d16c2a1
Signed-off-by: Bhaumik Bhatt <quic_bbhatt@quicinc.com>
Signed-off-by: Lazarus Motha <quic_lmotha@quicinc.com>
Take irqsave lock after TRE is generated to avoid deadlock due to
core getting interrupts enabled as local_bh_enable must not be
called with irqs disabled based on upstream patch.
Change-Id: Id0c34ccddbfa99700ec32319d141cecd3dfbe1f1
Signed-off-by: Hemant Kumar <quic_hemantk@quicinc.com>
Signed-off-by: Lazarus Motha <quic_lmotha@quicinc.com>
