Re: [PATCH net 0/4] Bug fixes from XDP patch series

[Jesper Dangaard Brouer]

On 28/04/2025 14.04, Meghana Malladi wrote:
> This patch series fixes the bugs introduced while adding
> xdp support in the icssg driver, and were reproduced while
> running xdp-trafficgen to generate xdp traffic on icssg interfaces.

This patchset clearly hurts performance by introducing a lot of locking.

Can you please report what the performance regressions this is introducing?


> Meghana Malladi (4):
>    net: ti: icssg-prueth: Set XDP feature flags for ndev
>    net: ti: icssg-prueth: Report BQL before sending XDP packets
>    net: ti: icssg-prueth: Fix race condition for traffic from different
>      network sockets
>    net: ti: icssg-prueth: Fix kernel panic during concurrent Tx queue
>      access
>
>   drivers/net/ethernet/ti/icssg/icssg_common.c | 22 ++++++++++++++++++--
>   drivers/net/ethernet/ti/icssg/icssg_prueth.c | 16 ++++++++------
>   drivers/net/ethernet/ti/icssg/icssg_prueth.h |  1 +
>   3 files changed, 31 insertions(+), 8 deletions(-)
>
>
> base-commit: cc17b4b9c332cc654b248619c1d8ca40d80d1155