jaguar3: 8822C 40 MHz inject — DISDATAFB=1 and a wide-channel IGI floor on the C die by gilankpam · Pull Request #484 · OpenIPC/devourer

gilankpam · 2026-10-11T17:14:49Z

The problem

The RTL8812CU (8822C) could not air a single 40 MHz injected frame on most 5 GHz channels, though the same card does HT40 under mainline rtw88. On 144(-), 36(+) and 149(+), bulk-OUT accepted 257 frames and then failed with rc=-7, and nothing went on air. At the abort the TX FIFO was full (LQ 64/0 PUB 1745/19): the MAC never completed the first 40 MHz frame. HT20 was unaffected.

There were two independent faults, and fixing either alone is not enough.

The change

Both parts apply only to the 8822C. The 8822E's descriptor and DIG are byte-identical to before.

DISDATAFB=1 on 40/80 MHz inject descriptors (fill_data_tx_desc_8822c, new dis_data_fb argument).
- With USE_RATE=1, the MAC's per-frame rate-fallback lookup still consults the firmware's per-MACID rate entry, which an injecting MACID does not have.
- On the 8822C that wedges a 40 MHz frame outright. DISDATAFB=1 is what the vendor driver's fixed-rate xmit path writes.
- 20 MHz frames keep DISDATAFB=0 and with it the firmware retry ladder (TX retry policy for ARQ links: limit-vs-burst sweep, per-retry rate fallback, deadline-bounded retries, FEC dimensioning from the post-ARQ residual #362/DEVOURER_TX_RETRY_FALLBACK=off: pin retries at the descriptor rate; floor form measured and rejected (#362) #371). The 8822C's wide frames have no ladder at either DEVOURER_TX_RETRY_FALLBACK setting, and DeviceConfig.h says so.
A DIG floor at 40/80 MHz (DIG_MIN_8822C_WIDE 0x26, PhydmRuntimeJaguar3::set_igi_floor).
- On a quiet channel the receiver parks below IGI 0x24, in a gain state where the secondary 20 MHz never reads idle, so the MAC holds every 40 MHz frame.
- Busy channels self-heal, because received frames re-run the AGC. That is why the fault hides on a busy bench channel.
- The floor is armed for the session by the device's first >= 40 MHz frame. Init, InitWrite and Stop() clear the arm.
- From then on it follows the tuned width, re-applied under _reg_mu by every tune (Init / InitWrite / SetMonitorChannel / FastRetune / FastSetBandwidth). It is on at 40/80 MHz. At a narrower width it drops, with IGI clamped straight back into the normal DIG window.
- A device that only receives at 40 MHz is never armed. That includes a CU ground station sending 20 MHz control frames, which keeps its normal floor.
- Arming takes _reg_mu once per session and never on the steady-state send path. The flag is published only after the floor is applied, so neither a racing retune nor a concurrent sender can skip it.

Record, including the dead ends (firmware RA_INFO in every layout, firmware version, IQK, TX power, CCA, AGC lower bound): docs/experiments/8822c-ht40-tx-stall.md.

Measured

txdemo on the CU, with an 8812EU witness on rxdemo at the same channel and width. 1 kB QoS-data frames, MCS3/40/LDPC, 50 s per run, no knobs. "Aired" means CRC-ok frames the witness decoded with bw:1.

channel	width	submitted	aired (witness)
144(-)	40	20552	20500 MCS3 bw:1
52(+)	40	20525	20425 MCS3 bw:1
149(+)	40	20590	20477 MCS3 bw:1
36(+)	40	20483	19723 MCS3 bw:1
144(-)	20	20679	20629 MCS3 bw:0 (IGI stays 0x20)

Before the change, the same 40 MHz runs aired nothing.

How each half was isolated:

With only DISDATAFB=1, 36(+) worked but the silent channels 52/100/120/144 hung after 0–130 frames.
On silent 144, pinning IGI at 0x35, 0x2c, 0x26 or 0x24 gave about 20.6k frames with 0 failures each. 0x22 gave 22 frames, then a hang.
On silent 144, a second card sending MCS0/20 at 50 fps also cleared the hang (20.4k frames, 0 failed).
With the floor armed, a 20 MHz frame into a 40 MHz tune ran 9928 / 0 at IGI 0x20, and an RX-only session at 40 MHz stayed at 0x20.

The counterpart: the floor costs idle-channel RX sensitivity at 40/80 MHz on a CU that transmits wide. That cost is estimated from the 1 dB IGI step, not measured: 6 dB over the DFS floor 0x20, and 4–8 dB over the 0x1e..0x22 coverage window on a non-DFS channel. Each row is a single 50 s run. The effect size (0 vs ~20k) is far outside probe-to-probe noise, but the 36(+) row's lower witness count (96.3% vs ~99.5% elsewhere) was not repeated.

Re-test on the final code (both adapters local, near-field, silent channels confirmed by an 8 s scan beforehand, 30 s per cell):

cell	DUT -> witness	tune	frames	submitted	witness	IGI
144(-)	CU -> EU	40	MCS3/40	14161	14109 MCS3 bw:1	0x26
149(+)	CU -> EU	40	MCS3/40	14146	14094 MCS3 bw:1	0x26
144	CU -> EU	20	MCS3/40	14282	0 (expected)	0x20 (unarmed)
144	CU -> EU	20	MCS3/20	14198	14142 MCS3 bw:0	0x20
144(-)	EU -> CU	40	MCS3/40	14455	14321 MCS3 bw:1	0x20

In the last row the 8822E transmits HT40 unchanged. The CU, receiving only at 40 MHz as the witness, also stays at 0x20.
The send rate is gap-limited (~460 fps), so these runs do not measure the removed per-frame lock directly. The third row checks only that the floor stays unarmed.

After the review (f87521b), same bench, silent 144:

cell	tune	frames	submitted	witness	IGI
CU -> EU, 144(-)	40	MCS3/40	14117	14067 MCS3 bw:1	0x26
CU -> EU, 144(-)	40	MCS3/20 (DISDATAFB=0)	14163	14111 MCS3 bw:0	0x20
CU -> EU, 144	20	MCS3/20	14285	14232 MCS3 bw:0	0x20
EU -> CU, 144(-)	40	MCS3/40	14456	14406 MCS3 bw:1	0x20

Retry ladder, tests/retry_ladder_probe.sh shape: unACKed unicast, MCS3, limit 8.

20 MHz: 1223/1224 frames flew MCS3 x4 > MCS2 > 6M x4, the DEVOURER_TX_RETRY_FALLBACK=off: pin retries at the descriptor rate; floor form measured and rejected (#362) #371 ladder.
40 MHz: 1208/1209 pinned at MCS3.

Headless: ctest full 78/78, without Jaguar3 78/78, 8822C-only 69/69.

Not covered

80 MHz inherits the floor untested.
2.4 GHz HT40 (ch 6) drained on the TX side, but the witness received none of it. This is unexplained, and the change does not address it.
The RX-sensitivity cost above was not measured.
Not exercised on air: the IGI clamp when the floor drops (no demo changes width mid-session), and the retune/first-frame race, which rests on lock ordering.
Range: the re-test witness was near-field, so those runs are pass/fail, not range numbers. The original table used a separate ground-station 8812EU.

🤖 Generated with Claude Code

The RTL8812CU could not air a single 40 MHz frame on most channels while the same card does HT40 under mainline rtw88. Two faults, both gated on the 8822C so the 8822E's descriptor and DIG stay byte-identical: - The inject descriptor carried DISDATAFB=0 (the Jaguar1 mirror). With USE_RATE=1 the MAC's per-frame rate-fallback lookup consults the fw's per-MACID entry, which an injecting MACID lacks; on the 8822C that wedges the first 40 MHz frame and the TX FIFO fills. The device now passes dis_data_fb=1 on the C die (the vendor's fixed-rate path does). - On a quiet channel the receiver parks below IGI 0x24 in a gain state where the secondary 20 MHz never reads idle, so the MAC holds every 40 MHz frame; busy channels self-heal because received frames re-run the AGC. DIG_MIN_8822C_WIDE 0x26 is pushed into the phydm runtime after every tune (Init/InitWrite/SetMonitorChannel/FastRetune/ FastSetBandwidth) at 40/80 MHz and honoured by every DIG pass. Costs ~6 dB of idle-channel RX sensitivity at those widths on the CU. Measured on 144(-)/52(+)/149(+)/36(+): ~20.5k frames per 50 s run, 0 failures, all received at MCS3 bw 40; HT20 unchanged. Record: docs/experiments/8822c-ht40-tx-stall.md. Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01PbfYcAbwocHjWbXn9q8tzB

… sent The floor costs ~6 dB of idle-channel RX sensitivity, which a device that only receives at 40 MHz — a CU ground station, whose own control frames are 20 MHz — pays for nothing. Arm it from build_tx_block on the first >= 40 MHz descriptor (one _reg_mu take, the FastRetune precedent), keep it across tunes while the width stays wide, drop it at a narrow width. Bench, ch 144 silent, no knobs: HT40 TX 9091 frames / 0 failed with IGI 0x26 after arming; 20 MHz frames into the 40 MHz tune 9928 / 0 at IGI 0x20; RX-only at 40 MHz stays at 0x20. Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01PbfYcAbwocHjWbXn9q8tzB

…cost as an estimate Review follow-up to the 8822C HT40 inject fix. - A 40 MHz frame into a 20 MHz tune armed the floor and apply_igi_floor_locked disarmed it again at the narrow width, so every such frame re-took _reg_mu on the send path (txdemo hits it with DEVOURER_TX_RATE=.../40 and no DEVOURER_HOP_BW). Arming now requires the tune to be >= 40 MHz too. - Stop() clears the arm, so a later Init on the same device starts without the floor. - The RX-sensitivity cost was quoted as "~6 dB". It is arithmetic from the 1 dB IGI step, not a measurement, and 6 dB holds only over the DFS floor; on a non-DFS channel (36 and 149 in the result table) it is 4-8 dB over the coverage window. Header, experiment doc and CLAUDE.md now say so. - src/jaguar3/CLAUDE.md keeps the fact and points at the headers and the experiment doc instead of restating them. No hardware re-run: the arming change only removes a narrow-tune case that never applied the floor anyway. ctest 81/81. Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>

Five 30 s cells on silent 144(-)/149(+), both adapters local: - CU HT40: 0 failed, witness 99.6 % at MCS3 bw:1, floor armed at 0x26. - 40 MHz frames into a 20 MHz tune leave the floor unarmed (0x20). - HT20 control: unchanged. - 8822E HT40: 0 failed, 99.1 % at bw:1, IGI 0x20, as is the RX-only CU witness. Near-field single runs. The send rate is gap-limited, so this does not measure the removed per-frame lock. Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>

qodo-free-for-open-source-projects · 2026-10-11T17:15:31Z

PR Summary by Qodo

Fix 8822C 40 MHz frame injection stalls

🐞 Bug fix 📝 Documentation 🕐 20-40 Minutes

AI Description

• Disable descriptor rate fallback on 8822C to prevent injected 40 MHz frames from wedging.

Diagram

graph TD
  A["Injected frame"] --> B{"8822C die?"} -->|Yes| C["Disable fallback"] --> D{"Wide TX and tune?"} -->|Yes| E["Arm IGI floor"] --> F["DIG floor 0x26"] --> H["Reapply on retune"]
  B -->|No| G["Unchanged gain"]
  D -->|No| G
  H -->|Narrow or stop| G

High-Level Assessment

The following are alternative approaches to this PR:

1. Firmware-managed fixed rate

➕ Avoids the injected descriptor's rate-fallback interaction.
➖ Fixes rate per MACID rather than per packet and does not resolve quiet-channel gain stalls.

2. Always-on wide-channel IGI floor

➕ Simplifies floor lifecycle management.
➖ Imposes the estimated RX-sensitivity cost on receive-only devices and wide-tuned devices sending only narrow frames.

Recommendation: Keep the chip-gated descriptor setting and TX-armed floor: the documented experiments show both are needed, while arming limits the gain trade-off to devices transmitting wide frames. Follow-up measurements should quantify RX sensitivity and verify 80 MHz behavior.

Files changed (7) +215 / -4

Bug fix (5) +87 / -3

FrameParserJaguar3.hMake TX-descriptor fallback disabling selectable +8/-2

Make TX-descriptor fallback disabling selectable

• Adds a 'dis_data_fb' argument to the 8822C-format descriptor builder and writes it to DISDATAFB. The default remains false, allowing the device caller to opt in only for the 8822C die.

src/jaguar3/FrameParserJaguar3.h

PhydmRuntimeJaguar3.cppApply and enforce a configurable DIG floor +10/-0

Apply and enforce a configurable DIG floor
• Adds immediate IGI raising when a floor is set and clamps subsequent DIG bounds to that floor. Clearing the floor restores the normal DIG bounds on later ticks.
src/jaguar3/PhydmRuntimeJaguar3.cpp

PhydmRuntimeJaguar3.hDefine the 8822C wide-channel IGI bound +20/-0

Define the 8822C wide-channel IGI bound
• Defines the 0x26 floor and exposes runtime floor state and its setter. Documents when the floor is armed and the estimated RX-sensitivity trade-off.
src/jaguar3/PhydmRuntimeJaguar3.h

RtlJaguar3Device.cppGate descriptor and DIG fixes to 8822C wide TX +40/-1

Gate descriptor and DIG fixes to 8822C wide TX

• Passes DISDATAFB only for 8822C and arms its IGI floor before the first wide frame into a wide tune. Reapplies the floor across initialization and retune paths, and disarms it on narrow tuning or stop.

src/jaguar3/RtlJaguar3Device.cpp

RtlJaguar3Device.hTrack device-level wide-TX floor arming +9/-0

Track device-level wide-TX floor arming
• Declares the floor-application helper and atomic arming state. Documents the receive-only and narrow-frame cases that must retain normal gain behavior.
src/jaguar3/RtlJaguar3Device.h

Documentation (2) +128 / -1

8822c-ht40-tx-stall.mdRecord the 8822C HT40 stall investigation +116/-0

Record the 8822C HT40 stall investigation

• Documents the FIFO stall, rejected hypotheses, evidence for both fixes, and witness-received frame counts. Calls out the estimated sensitivity cost and unverified 80 MHz and 2.4 GHz HT40 behavior.

docs/experiments/8822c-ht40-tx-stall.md

CLAUDE.mdDocument Jaguar3 wide-TX requirements +12/-1

Document Jaguar3 wide-TX requirements

• Adds the 8822C-only descriptor and DIG requirements and links the experiment record. Clarifies that existing interference measurements were taken at 20 MHz, not with the new wide-channel floor.

src/jaguar3/CLAUDE.md

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>

qodo-free-for-open-source-projects · 2026-10-11T17:16:28Z

Code Review by Qodo

🐞 Bugs (0) 📘 Rule violations (0) 📎 Requirement gaps (0) 🎨 UX issues (0) 🔗 Cross-repo conflicts (0) 📜 Skill insights (0)

1. ~~Concurrent retuning can leave wide TX stuck~~ ✓ Resolved

Description

build_tx_block() reads _channel.ChannelWidth before acquiring _reg_mu and does not recheck the
width after acquiring it. If a concurrent retune changes a narrow channel to a wide one between
those steps, the first wide frame skips floor arming and can encounter the quiet-channel stall this
change is meant to prevent.

Code

src/jaguar3/RtlJaguar3Device.cpp[2761]
+  const ChannelWidth_t tune_bw = _channel.ChannelWidth;

Evidence
The added predicate samples a non-atomic width without the lock, whereas bandwidth changes update it
under that lock. The inner locked block checks only the armed flag; it cannot recover when the
earlier sample was narrow.
src/jaguar3/RtlJaguar3Device.cpp[2761-2770]
src/jaguar3/RtlJaguar3Device.cpp[1587-1617]
src/jaguar3/RtlJaguar3Device.cpp[1620-1628]

Agent prompt

The issue below was found during a code review. Follow the provided context and guidance below and implement a solution

## Issue description
The first wide transmission can miss floor arming when a retune changes the width concurrently with descriptor construction.
## Fix Focus Areas
- src/jaguar3/RtlJaguar3Device.cpp[2761-2770]
- src/jaguar3/RtlJaguar3Device.cpp[1587-1617]
## Recommended Fix
Read and validate the tuned width under the same synchronization used by retuning, including a recheck after acquiring the register lock. Keep a lock-free steady-state path if possible.

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2. ~~8822C retries no longer step down in rate at any width~~ ✓ Resolved

Description

build_tx_block() passes dis_data_fb = (_variant == C8822C) regardless of frame width, so
RetryFallback::Default behaves like Off on the 8822C. When a unicast link uses a nonzero retry
limit, this also prevents 20 MHz frames from following the documented MCS3 x4 → MCS2 → 6M firmware
ladder, despite the claim that HT20 is unchanged, and makes the nearby default-fallback comment
inaccurate.

Code

src/jaguar3/RtlJaguar3Device.cpp[R2772-2777]

+  /* 8822C only: DISDATAFB=1 — see fill_data_tx_desc_8822c. The 8822E keeps
+   * the byte-identical descriptor it flies 40 MHz with. */
jaguar3::fill_data_tx_desc_8822c(
    out, static_cast<uint16_t>(frame_len), MRateToHwRate(fixed_rate), rate_id,
    bw_desc, sgi != 0, ldpc != 0, stbc, bmc, ndpa, data_sc, pwr_type,
-      pkt_offset);
+      pkt_offset, /*dis_data_fb=*/_variant == jaguar3::ChipVariant::C8822C);

Evidence
DeviceConfig.h documents firmware rate fallback as the 8822C default and DISDATAFB=1 as the Off
setting that pins retries to the descriptor rate. RtlJaguar3Device.cpp explicitly sets DISDATAFB=1
for RetryFallback::Off, with a comment saying the default leaves it at zero, but
build_tx_block() now supplies DISDATAFB=1 for every 8822C frame regardless of bandwidth. Thus the
descriptor uses the Off value for both settings, including on 20 MHz frames that do not need the
wide-channel stall fix.
src/DeviceConfig.h[82-97]
src/jaguar3/RtlJaguar3Device.cpp[2823-2830]
src/jaguar3/FrameParserJaguar3.h[176-181]
src/jaguar3/RtlJaguar3Device.cpp[2774-2777]
src/jaguar3/RtlJaguar3Device.cpp[2824-2831]
src/jaguar3/FrameParserJaguar3.h[175-181]
src/DeviceConfig.h[247-257]
src/DeviceConfig.h[283-288]

Agent prompt

The issue below was found during a code review. Follow the provided context and guidance below and implement a solution

## Issue description
The 8822C now writes DISDATAFB=1 on every injected frame, disabling the firmware retry ladder documented for `RetryFallback::Default`, including on 20 MHz links. The retry-fallback override comment is consequently stale.
## Fix Focus Areas
- src/jaguar3/RtlJaguar3Device.cpp[2772-2777]
- src/jaguar3/RtlJaguar3Device.cpp[2823-2831]
- src/jaguar3/FrameParserJaguar3.h[175-181]
- src/DeviceConfig.h[82-97]
## Recommended Fix
Limit the forced setting to the widths that require it, for example `dis_data_fb = _variant == C8822C && (bwidth == CHANNEL_WIDTH_40 || bwidth == CHANNEL_WIDTH_80)`, while preserving explicit `RetryFallback::Off` behavior for other frames. If DISDATAFB=1 is necessary at every width, instead update the DeviceConfig.h note and retry-fallback override comment to state that the 8822C default no longer steps down, and correct the claim that HT20 is unchanged.

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3. ~~Narrow-channel RX retains the wide gain~~ ✓ Resolved

Description

set_igi_floor(0) removes the software bound but does not lower an IGI already raised to 0x26.
When an armed device switches to 20 MHz, its receiver retains that gain until a later DIG tick,
temporarily carrying the wide-channel sensitivity cost into the narrow channel.

Code

src/jaguar3/PhydmRuntimeJaguar3.cpp[R32-34]
+  _igi_floor = floor;
+  if (floor != 0 && get_igi() < floor)
+    set_igi(floor);

Evidence
The setter writes IGI only when enabling a nonzero floor. Narrow retunes pass zero to it, while the
normal DIG bounds are applied only by the periodically invoked tick.
src/jaguar3/PhydmRuntimeJaguar3.cpp[31-35]
src/jaguar3/PhydmRuntimeJaguar3.cpp[85-119]
src/jaguar3/RtlJaguar3Device.cpp[1609-1628]
src/jaguar3/RtlJaguar3Device.cpp[279-299]

Agent prompt

The issue below was found during a code review. Follow the provided context and guidance below and implement a solution

## Issue description
Removing the wide floor leaves hardware IGI at the raised value until the next DIG tick.
## Fix Focus Areas
- src/jaguar3/PhydmRuntimeJaguar3.cpp[31-35]
- src/jaguar3/RtlJaguar3Device.cpp[1620-1628]
## Recommended Fix
When the floor is removed, immediately clamp hardware IGI to the applicable normal DIG range for the tuned channel rather than waiting for a periodic tick.

ⓘ Copy this prompt and use it to remediate the issue with your preferred AI generation tools

4. ~~Reinitialized receivers inherit TX gain~~ ✓ Resolved

Description

Init() and InitWrite() apply the floor using _wide_tx_armed without clearing that flag for the
new bring-up. Reinitializing a previously armed device directly onto a wide channel therefore raises
its receiver to 0x26 before it transmits any wide frame in the new session.

Code

src/jaguar3/RtlJaguar3Device.cpp[133]
+  apply_igi_floor_locked(channel.ChannelWidth);

Evidence
Both bring-up paths support re-initialization and now apply the floor. Neither resets the flag
beforehand; the floor helper treats a retained true flag and a wide width as grounds to enable the
floor.
src/jaguar3/RtlJaguar3Device.cpp[85-133]
src/jaguar3/RtlJaguar3Device.cpp[886-961]
src/jaguar3/RtlJaguar3Device.cpp[1620-1628]

Agent prompt

The issue below was found during a code review. Follow the provided context and guidance below and implement a solution

## Issue description
A direct re-initialization can inherit a prior session’s wide-transmit floor.
## Fix Focus Areas
- src/jaguar3/RtlJaguar3Device.cpp[85-133]
- src/jaguar3/RtlJaguar3Device.cpp[886-961]
- src/jaguar3/RtlJaguar3Device.cpp[1620-1628]
## Recommended Fix
Clear the wide-transmit armed state at the start of each new Init and InitWrite session, before either path reapplies the floor.

ⓘ Copy this prompt and use it to remediate the issue with your preferred AI generation tools

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…ssion-scoped floor arm - DISDATAFB=1 was written on every 8822C frame, which silently turned the fw retry ladder (OpenIPC#362/OpenIPC#371, RetryFallback::Default) off at 20 MHz too. It now covers 40/80 MHz frames only. Measured on the CU, unACKed unicast MCS3 limit 8: - 20 MHz: MCS3 x4 > MCS2 > 6M restored, 1223/1224. - 40 MHz: pinned at MCS3, 1208/1209. - 20 MHz frames with DISDATAFB=0 on a 40 MHz tune: 14163 / 0 failed, so the wedge keys on frame width. DeviceConfig.h's RetryFallback note says the 8822C's wide frames have no ladder at either setting. - The floor arm is now "this session has sent a wide frame" (_wide_tx_seen): - Set once, published after the floor is applied, cleared by Init, InitWrite and Stop. - The floor follows the tuned width, read under _reg_mu on both sides. - A retune racing the first wide frame can no longer skip it, and a re-Init no longer inherits it. - A 40 MHz frame on a 20 MHz tune still takes the lock once per session. - Dropping the floor clamps IGI back into the channel's DIG window at once, instead of leaving 0x26 until the next tick. Keeping it at 0 touches no register, so the 8822E path is unchanged. Not exercised on air: the drop clamp and the race. ctest 78/78. HT40 CU and EU and HT20 cells re-run, 0 failed (experiment doc). Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>

…only, session-scoped floor) into the fork Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>

Folds the original table and both re-test sections into one: GS and local benches in one table, superseded intermediate rows dropped, the retry ladder and the limits stated once. Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>

gilankpam and others added 4 commits October 11, 2026 23:53

gilankpam added a commit to gilankpam/devourer that referenced this pull request Oct 11, 2026

Merge cu-ht40-tx (8822C 40 MHz inject, OpenIPC#484) into the fork

90d83d3

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>

qodo-free-for-open-source-projects Bot reviewed Oct 11, 2026

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gilankpam added a commit to gilankpam/devourer that referenced this pull request Oct 11, 2026

Merge cu-ht40-tx (OpenIPC#484 review: DISDATAFB on 8822C wide frames …

ac1b5f2

…only, session-scoped floor) into the fork Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>

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jaguar3: 8822C 40 MHz inject — DISDATAFB=1 and a wide-channel IGI floor on the C die - #484

jaguar3: 8822C 40 MHz inject — DISDATAFB=1 and a wide-channel IGI floor on the C die#484
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