On Thu, Sep 10, 2026 at 11:58:12PM +0800, Zhang Tengfei wrote:
> After public fdir_conf was removed from rte_eth_conf, the private
> pballoc field stays at the 64K default. Add a probe-time devarg so
> applications can select 128K or 256K Flow Director table size.
>
> Reject Flow Director with DCB in ixgbe_fdir_configure(), since FDIR
> steals Rx packet buffer space that DCB also uses.
>
> Signed-off-by: Zhang Tengfei <[email protected]>
> ---
> v2:
> * rename fdir_pballoc to fdir_buffer_size
> * reject Flow Director when DCB is enabled in ixgbe_fdir_configure()
> * document the DCB limitation as an RST note
> * keep the original indent of ixgbe_parse_devargs
>
> doc/guides/nics/ixgbe.rst | 26 ++++++++++++
> doc/guides/rel_notes/release_26_11.rst | 5 +++
> drivers/net/intel/ixgbe/ixgbe_ethdev.c | 55 ++++++++++++++++++++++----
> drivers/net/intel/ixgbe/ixgbe_ethdev.h | 2 +-
> drivers/net/intel/ixgbe/ixgbe_fdir.c | 13 +++++-
> drivers/net/intel/ixgbe/ixgbe_flow.c | 7 +++-
> 6 files changed, 98 insertions(+), 10 deletions(-)
>
Acked-by: Bruce Richardson <[email protected]>
