net/ptpd: Change the dynamic memory allocation method to a static allocation method #3319
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In some scenarios, dynamic memory allocation is not allowed, so it is modified to a static allocation method. Signed-off-by: gaohedong <[email protected]>
xiaoxiang781216
approved these changes
Jan 14, 2026
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Summary
In some scenarios, dynamic memory allocation is not allowed, so it is modified to a static allocation method.
By reading through the code, in the
ptp_sendmsgfunction, the maximum value ofbuflenissizeof (struct ptp_announce_s), so thechar raw [sizeof (struct ether_ceader)+buflen];is changed tochar raw [sizeof (struct ether_ceader)+sizeof (struct ptp_announce_s);Impact
No modification of user interface, no impact on functionality.
Testing
Use the development board to set up the GPTP runtime environment and test the clock synchronization function. After testing, gptp function is normal.