On Fri, Feb 06, 2026 at 11:25:36AM +0000, Loftus, Ciara wrote:
> > Subject: [PATCH v3 10/36] net/intel: consolidate checksum mask definition
> > 
> > Create a common definition for checksum masks across iavf, idpf, i40e
> > and ice drivers.
> > 
> > Signed-off-by: Bruce Richardson <[email protected]>
> > ---
> >  drivers/net/intel/common/tx.h             | 8 ++++++++
> >  drivers/net/intel/i40e/i40e_rxtx.c        | 7 +------
> >  drivers/net/intel/iavf/iavf_rxtx.c        | 2 +-
> >  drivers/net/intel/iavf/iavf_rxtx.h        | 8 --------
> >  drivers/net/intel/ice/ice_rxtx.c          | 8 +-------
> >  drivers/net/intel/idpf/idpf_common_rxtx.c | 4 ++--
> >  drivers/net/intel/idpf/idpf_common_rxtx.h | 7 +------
> >  7 files changed, 14 insertions(+), 30 deletions(-)
> > 
> > diff --git a/drivers/net/intel/common/tx.h b/drivers/net/intel/common/tx.h
> > index 01e42303b4..928fad1df5 100644
> > --- a/drivers/net/intel/common/tx.h
> > +++ b/drivers/net/intel/common/tx.h
> > @@ -53,6 +53,14 @@
> >  /* Common maximum data per TX descriptor */
> >  #define CI_MAX_DATA_PER_TXD     (CI_TXD_QW1_TX_BUF_SZ_M >>
> > CI_TXD_QW1_TX_BUF_SZ_S)
> > 
> > +/* Checksum offload mask to identify packets requesting offload */
> > +#define CI_TX_CKSUM_OFFLOAD_MASK (RTE_MBUF_F_TX_IP_CKSUM |
> >              \
> > +                              RTE_MBUF_F_TX_L4_MASK |               \
> > +                              RTE_MBUF_F_TX_TCP_SEG |               \
> > +                              RTE_MBUF_F_TX_UDP_SEG |               \
> > +                              RTE_MBUF_F_TX_OUTER_IP_CKSUM |
> >      \
> > +                              RTE_MBUF_F_TX_OUTER_UDP_CKSUM)
> > +
> >  /**
> 
> 
> <snip>
> 
> > diff --git a/drivers/net/intel/idpf/idpf_common_rxtx.h
> > b/drivers/net/intel/idpf/idpf_common_rxtx.h
> > index b88a87402d..fe7094d434 100644
> > --- a/drivers/net/intel/idpf/idpf_common_rxtx.h
> > +++ b/drivers/net/intel/idpf/idpf_common_rxtx.h
> > @@ -39,13 +39,8 @@
> >  #define IDPF_RLAN_CTX_DBUF_S       7
> >  #define IDPF_RX_MAX_DATA_BUF_SIZE  (16 * 1024 - 128)
> > 
> > -#define IDPF_TX_CKSUM_OFFLOAD_MASK (               \
> > -           RTE_MBUF_F_TX_IP_CKSUM |        \
> > -           RTE_MBUF_F_TX_L4_MASK |         \
> > -           RTE_MBUF_F_TX_TCP_SEG)
> > -
> >  #define IDPF_TX_OFFLOAD_MASK (                     \
> > -           IDPF_TX_CKSUM_OFFLOAD_MASK |    \
> > +           CI_TX_CKSUM_OFFLOAD_MASK |      \
> 
> With this change should the features in idpf.ini be updated to include
> Inner L3/L4 checksum?
> And IDPF_TX_SCALAR_OFFLOADS update to include
> RTE_ETH_TX_OFFLOAD_OUTER_IPV4_CKSUM
> RTE_ETH_TX_OFFLOAD_OUTER_UDP_CKSUM
>

I didn't add it because I hadn't tested it, but since it's using the same
code as other drivers it's probably safe enough to add, I suppose.

/Bruce

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