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Update stm32 emac ethernet driver #12776

Merged
merged 2 commits into from
Apr 8, 2020
Merged

Update stm32 emac ethernet driver #12776

merged 2 commits into from
Apr 8, 2020

Commits on Apr 8, 2020

  1. Update STM32 EMAC driver - limit RX frame length 

    DISCO_F769NI EMAC driver may return ethernet packet with illegal
length when driver is under heavy load. In one case, the received
bytes indicate frame length of 53 bytes but advertised data length
was 65518 bytes. In another case EMAC driver variable
`EthHandle.RxFrameInfos.length` contained value 0xFFFF FFFC.

As a work-around accept only 1-1500 bytes long ethernet packets.
    Arto Kinnunen authored and Jarkko Paso committed Apr 8, 2020
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  2. Update STM32 EMAC driver based on review 

    -Fix len type
-Use ETH_RX_BUF_SIZE instead of hard-coded value 1500
    Arto Kinnunen authored and Jarkko Paso committed Apr 8, 2020
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