RE: [PATCH v2 net-next 11/13] net: enetc: optimize the allocation of tx_bdr

[Claudiu Manoil]

> -----Original Message-----
> From: Wei Fang <wei.fang@xxxxxxx>
> Sent: Tuesday, October 15, 2024 3:59 PM
[...]
> Subject: [PATCH v2 net-next 11/13] net: enetc: optimize the allocation of
> tx_bdr
> 
> From: Clark Wang <xiaoning.wang@xxxxxxx>
> 
> There is a situation where num_tx_rings cannot be divided by bdr_int_num.
> For example, num_tx_rings is 8 and bdr_int_num is 3. According to the
> previous logic, this results in two tx_bdr corresponding memories not
> being allocated, so when sending packets to tx ring 6 or 7, wild pointers
> will be accessed. Of course, this issue doesn't exist on LS1028A, because
> its num_tx_rings is 8, and bdr_int_num is either 1 or 2. However, there
> is a risk for the upcoming i.MX95. Therefore, it is necessary to ensure
> that each tx_bdr can be allocated to the corresponding memory.
> 
> Signed-off-by: Clark Wang <xiaoning.wang@xxxxxxx>
> Signed-off-by: Wei Fang <wei.fang@xxxxxxx>
> ---
> v2 changes:
> This patch is separated from v1 patch 9 ("net: enetc: optimize the
> allocation of tx_bdr"). Only the optimized part is kept.
> ---

Reviewed-by: Claudiu Manoil <claudiu.manoil@xxxxxxx>