Low memory profiles like 256M and 16M profiles support
only NSS Wi-Fi offload mode and HOST data path APIs are
not used in NSS offload mode
Disable HOST data path APIs which are not used in both
NSS Wi-Fi offload mode and in HOST mode (in NSS offload mode)
CRs-Fixed: 2831478
Change-Id: I6895054a6c96bd446c2df7761ce65feef662a3cc
Add drop statistics for duplicate EAPOL frames received
in the REO exception ring as OOR frames. This will help
understand if EAPOL frames are getting dropped which could
cause connection issues.
Change-Id: Ib9d5a3c04ce6638c65166f02261af5c526cc47eb
CRs-Fixed: 2814633
If a continuation bit is set in msdu desc info and reported
length can fit in single buffer avoid SG processing
Change-Id: I6e8c3e1e657c372d5d915450dda20ba26bac495f
Only BAR frames with REO/RXDMA push reason as error are handled
in host. FP BAR frames without errors, are routed to host
via REO/RXDMA with push reason as route.
Instead of leaking the buffer, handle the routed BAR frames
gracefully. Free the buffer and log stats to detect such
cases.
Change-Id: I6e09e8b948d9b2d9d3de3b6558e54f0c70901c62
CRs-Fixed: 2814303
Due to recent FW changes not filtering out BAR frames, redirect these
frames to REO exception ring and handle as normal data packets.
Change-Id: I4540929fddab14de57a23f6364fc916a70057cbe
CRs-Fixed: 2795499
For REO error 7 OOR frame, if they are retry frame under BA
session, then they are likely SN duplicated frame. if deliver
EAPOL to stack in this case, sometimes it will fail to connect
AP as duplicated TX EAP response is seen.
Drop duplicated EAP frames in this case.
Change-Id: Iec0ba37548f2a83fe749f83ec904ec9bfdb306af
CRs-Fixed: 2796226
MSDU count is not reliable in all cases.Hence it is better
to check whether next_link_desc is valid or not and then
free the MSDUs in the next descriptor and subsequently
release both the current and next link descriptor back to HW.
Change-Id: Ie5ea3be547f9aed6673293221f6b47661cd92cce
Skip the recording of rx error ring and rx reinject
history if the memory allocation for the history
fails during the attach.
Change-Id: Ifa74937d0c37e6013ccaec851dab7d9e53057ac2
CRs-Fixed: 2767579
Remove the peer backpointer in ast entry and store
peer_id instead
Assign peer_id in AST entry in AST MAP event,
also add the ast entry to peers ast list
In AST map & AST unmap APIs use ast find by vdev_id
Change-Id: I74d9828dc309149d98f6f577b5c8304cb087fd76
Add support to get the peer reference with module id
To help debug the peer reference related issues
Change-Id: Ie20c7e710b9784b52f2e0f3d7488509282528a00
Use unified version of dp_peer_find_by_id API
which will take peer reference
Also use unified peer ref release API dp_peer_unref_delete
Change-Id: Ibb516a933020a42a5584dbbbba59f8d9b72dcaa4
We have come across scenarios where rxdma is pushing
a certain entry more than once to the reo exception
ring. In this scenario, when we try to unmap a buffer,
it can lead to multiple unmap of the same buffer.
Handle this case, by skipping the process of this
duplicate entry, if alrady unmapped, and proceed to the
next entry.
Change-Id: Iae66f27e432f795ba4730911029fa1d63a75cb06
CRs-Fixed: 2739176
Same back to back link descriptor address/cookie is observed in
WBM idle link desc ring.
add duplicate link desc check when host
refill link descriptor to WBM through SW2WBM release ring,
also REO reinject ring.
Change-Id: Iaf9defd87670776fa9488d7f650efa3c08fefa60
CRs-Fixed: 2739879
The rx rings are relatively of smaller size. Any
duplicate entry sent by hardware cannot be back-tracked
by just looking at the ring contents alone.
Hence add a history to track the entries for the
REO2SW, REO exception and SW2REO ring.
Change-Id: I9b0b311950d60a9421378ce0fcc0535be450f713
CRs-Fixed: 2739181
DP RX changes to support RX buffer pool, this is a pre-allocated pool
of buffers which will be utilized during low memory conditions.
Change-Id: I8d89a865f989d4e88c10390861e9d4be72ae0299
CRs-Fixed: 2731517
On returning the msdu link descriptor to HW via WBM
release ring, the rx exception ring contents are not
zeroed. This could result in host reading stale ring
descriptor content in the scenario when HP is updated
even before the latest values are reflected in the ring
descriptor.
Fix is to set invalid bit in cookie for exception ring
descriptor and add cookie sanity check.
Change-Id: I01a294c92b260ebe8e584ef20e9550b1febec913
CRs-Fixed: 2730759
Remove uncessary msdu count check against msdu count in
mpdu desc info while processing REO Rx err pkts.
As per h/w team msdu count can be obtained from msdu link
desc instead of mpdu desc info.
SOC level Rx err stat rx.err.msdu_count_mismatch is
incremented to log this condition.
Change-Id: I4f7d2df7335778f2f2d28e542da17fc7f6970009
CRs-Fixed: 2729693
remove additional reap logic for SG buffers, as we
are also maintaining a state for SG buffers in dp_soc
structure
CRs-Fixed: 2722245
Change-Id: Ibec3007036e78a2ec1c5055244b6518f889e16a4
Rxdma decrypt errors are observed when the association
is in progress as AP sends encrypted data packets to
DUT-STA. As part of the rxdma error handling, excessive
prints are logged to console resulting in an assert.
Fix is to rate limit rxdma decrypt error related log
Change-Id: I2ef28c635d77e3acafd067b921cdb13c277756c7
CRs-Fixed: 2725335
Fix static analysis issue of rx_refill_buf_ring buffer overflow.
rx_refill_buf_ring length is different for WIN/MCL. For MCL length is 1,
WIN is 3. So rx_refill_buf_ring should always use index pdev->lmac_id to
replenish rx buffer for different MACs under MCL.
Change-Id: I00af069c09c01a81ae4aa54bad5beb79dc6fcff5
CRs-Fixed: 2703683
The DMA Map/UnMap was restricted to buffer size in rx process.
But the Map/UnMap API was not changed in rx error process, apply
this change in the rx error data path. So that there will be no
paging request error when rx data error happen.
Change-Id: I690e902ef5c05f216b2eb87de977fd0b45ecadab
CRs-Fixed: 2702369
FISA RX aggregation is not necessary for non-regular RX delivery
as it requires extra FISA flush and also may impact regular
dp_rx_process() RX FISA aggregation.
Add exception frame flag for non-regular RX delivery, so that
FISA path can identify this frame and bypass FISA RX.
Change-Id: Ic06cb72b516221754b124a673ab6c4f392947897
CRs-Fixed: 2680255
Add check for sg formation.
Only enable chfrag_cont and msdu_continuation if reo
error code is HAL_RX_WBM_ERR_SRC_REO or rxdma_err_code
is HAL_RXDMA_ERR_UNENCRYPTED.
Also chain all nbuf in case of sg in separate buffer
and finally loop through that. This is added because
sometime we dont get desc in sync with hw.
To avoid such mismatch, this buffer is added.
We will process nbuf only when all msdus has been
received.
Change-Id: I3b154a68955db61f3acaa0cb8d130c8918a3d450
CRs-Fixed: 2672126
In OOR error handling scenario, msdu is spread across
two nbufs. Due to this, there is a mismatch between
msdu count fetched from MPDU desc detatils and count
fetched from rx link descriptor.
Fix is to create frag list for the case where msdu
is spread across multiple nbufs.
Change-Id: I1d600a0988b373e68aad6ef815fb2d775763b7cb
CRs-Fixed: 2665963
Invalid peer handler does double free of nbuf and leads to crash.
To avoid this make nbuf->next NULL before calling dp_rx_null_q_desc_handle.
Change-Id: Ia3f92cb5136dbdbfeb1e9cda8a52c474456a4e0c
CRs-Fixed: 2655792
Use QDF_BUG instead of the qdf_assert. Since the qdf_assert is not
defined anymore.
Change-Id: I2bd46def51823829604b699321f9a02fcd3b07c6
CRs-Fixed: 2658545
There might be aggressive error logging in the dmesg if wbm_desc_rel_ring
is hang. So use the dp_info_rl instead of QDF_TRACE to reduce aggressive
logging to avaoid spin lock huge delay when processing the
reo_exception_ring.
Change-Id: I4622f28cd6d8771cf27643a867892b62860d1ddc
CRs-Fixed: 2648149
Pointer rx_msdu_link_desc returned from call to function
dp_rx_cookie_2_mon_link_desc which may be NULL and may be
de-referenced latter
CR-Fixed: 2645199
Change-Id: I9ccba61df9571fcc99c5d5493194d5ae43a71a7f
Support RX 2K jump/OOR frame handling from REO2TCL ring.
(a) configure REO error destination ring register to route 2K jump
/OOR frame to REO2TCL ring.
(b) for 2K jump RX frame, only accept ARP frame and drop others,
meanwhile, send delba action frame to remote peer once receive first
2K jump data.
(c) for OOR RX frame, accept ARP/EAPOL/DHCP/IPV6_DHCP frame, otherwise
drop it.
Change-Id: I7cb33279a8ba543686da4eba547e40f86813e057
CRs-Fixed: 2631949
In QCN9000, wbm release ring has msdu continuation bit
support for invld peer MPDUs. Host needs to form SG
buffer for packets with msdu continuation bit set
Change-Id: Ica03c78068d32d2c8dc609b9a50298b91dd48c0a
In case of decrypt de-auth need to be sent in case of
invalid. In valid peer case no action needed
Change-Id: I355093734c20a113fc1df0306b426eeb4f92ac88
pdev_id is being initialized with 0. Since 0 is valid pdev_id, though
pdev is not present for that id, it is being accessed.
Initialized pdev_id to 0xFF by default. Added checks on API to
detect valid pdev_id value corresponding to lmac_id
Change-Id: I2b2a38783615494ccc08e265702815f7e562214b
Packets delivered to FISA via exception err path doesnot have TLVs.
FISA handling requires additional TLVs. dp rx core handling
skips TLVs, save TLV length info in nbuf->cb so that TLVs
are recovered back in FISA.
Change-Id: I53fab2e19abcbf82697ea6f53a4ddf3ea0dd0699
CRs-Fixed: 2620844
For qcn9000, As part HW enhancements, PPDU_ID is sent
in reo_entrance_ring descriptor instead of RX_MPDU_START
tlv. Add support to read ppdu id from descriptor.
Modify existing hal API hal_rx_hw_desc_get_ppduid_get ()
arguments to pass RxDMA ring HW descriptor.
Usage:
a. Use hal_rx_hw_desc_get_ppduid_get () -
to get ppdu id from rx_tlv_hdr or hw descriptor based on target.
for qcn9000, this API gets ppdu_id from HW descriptor,
for other platforms, gets ppdu_id from rx_tv_hdr
b. Use hal_rx_get_ppdu_id () - to get ppdu_id from rx_tlv_hdr
Change-Id: I5838227c12cde50cbb2a9da7a0d8056b8b9b7ef5
Do not process or drop rxdma error decrpt frames. In case of
decrypt error the decryption is not proper and Rx OLE gets
corrupted bytes. So accessing these can lead to invalid buffers.
Change-Id: Idb3f942facf08fc26bde0fd9826db28955ca01d5
CRs-Fixed: 2613068
Rather than extracting msdu end pkt tlv information per field basis
during fast data path, extract msdu end pkt tlv information at once
and store in local structure.
Change-Id: I0877ba4f824d480cc0851c72090f010852d0d203
Drop the packet if msdu_done bit is not set while processing
rxdma err frames. This is not expected while reaping WBM RX
release ring.
Change-Id: I8776d15ea88319d7d955fdae90958648484dbda0
CRs-Fixed: 2603791
Maintain packet counters for each peer based on protocol. Following 3
protocols are supported
* ICMP (IPv4)
* ARP (IPv4)
* EAP
Change-Id: I56dd9bbedd7b6698b7d155a524b242e8cabd76c3
CRs-Fixed: 2604877
In the function that processes rxdma err frames add null check
before calling vdev callback function. If its valid then deliver
the skb to stack or free the skb.
Change-Id: I7c481eb8f702d9109c4a9f79db7e050ece6c3689
CRs-Fixed: 2607658
Add a framework to configure varying buffer size for both data and monitor
buffers.
For example, with this framework, the user can configure 2K SKB for Data
buffers, monitor status rings, monitor descriptor rings, monitor
destination rings and 4K SKB for monitor buffers through compile time.
Change-Id: I212d04ff6907e71e9c80b69834aa07ecc6db4d2e
CRs-Fixed: 2604646
Add the datapath changes for supporting
the newly added IPCI bus type for QCA6750
CRs-Fixed: 2597326
Change-Id: I27e3e9f746eb383e85c7345150bda03320d041b9
1. Move all LMAC rings to SOC from pDEV
2. Dynamically obtain lmac->pdev mapping while handling LMAC interrupts
Change-Id: Ib017d49243405b62fc34099c01a2b898b25341d0
