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Enable ETH transmit mutex (LLDP/PTP raw TX next to lwIP)

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CONFIG_ETH_TRANSMIT_MUTEX was off, so LLDP (esp_timer task) could hit the
EMAC TX descriptors at the same time as lwIP. PTP adds a third sender.
Verified: OTA-installed build passes its self-test, web/status fine.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
Ben Nicholson
2026-09-24 23:47:31 +10:00
parent 6090ceb239
commit 880437948d
1 changed files with 3 additions and 0 deletions
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sdkconfig.defaults
+3
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@@ -16,3 +16,6 @@ CONFIG_ESP32P4_REV_MIN_100=y
# 32 MB flash (esptool flash_id: GigaDevice c8/4019). App slots stay below 16 MB;
# cache mapping above 16 MB is experimental in IDF.
CONFIG_ESPTOOLPY_FLASHSIZE_32MB=y
# LLDP and PTP send raw frames from their own tasks next to lwIP: serialise EMAC transmits
CONFIG_ETH_TRANSMIT_MUTEX=y