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rm_freertos_plus_tcp: FreeRTOS_IsNetworkUp returns true before DHCP finishes #337

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SeanMeng0509 opened this issue Dec 13, 2023 · 1 comment
Open

rm_freertos_plus_tcp: FreeRTOS_IsNetworkUp returns true before DHCP finishes #337

SeanMeng0509 opened this issue Dec 13, 2023 · 1 comment
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migration-v5.x

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@SeanMeng0509
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Issue

FreeRTOS_IsNetworkUp will return true on Phy link up event. When DHCP is enabled, device won't have a valid IP address at that time, which could lead to subsequent socket operation failure.

Workaround

Instead of calling FreeRTOS_IsNetworkUp, applications shall check whether FreeRTOS_GetIPAddress() returns a valid DHCP address before any socket operation.
@SeanMeng0509
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This is being internally tracked using RAP-2935.

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@GodavarthyAravinda @renesas-austin-hansen @SeanMeng0509