Re: [PATCH 0/6] net/idpf: fix split queue AVX2 datapath

[Bruce Richardson <bruce.richardson@intel.com>]

On Mon, May 11, 2026 at 02:39:29PM +0530, Shaiq Wani wrote:
> Fix the split queue AVX2 vectorized path to correctly handle the
> virtchnl2_rx_flex_desc_adv_nic_3 completion descriptor format and
> the flex scheduled Tx descriptor encoding.
> 
> The split queue completion descriptor layout is significantly
> different from the single queue path — the generation bit, DD bit,
> and packet length occupy different positions than the base Rx
> descriptor, and the buffer queue owns the mbuf pool rather than the
> completion queue.
> 
> On Rx, four issues are fixed:
>   - Generation bit extraction order (mask-before-shift)
>   - DD bit byte offset (byte 8 not byte 1)
>   - mbuf initializer sourced from bufq2 instead of the completion queue
>   - Packet type inserted into the correct AVX2 lane
> 
> On Tx, two issues are fixed:
>   - Buffer size shift corrected from 34 to 48 for flex descriptors
>   - Burst clamped to tx_rs_thresh with proper tx_next_rs tracking
> 
> Shaiq Wani (6):
>   net/idpf: fix gen bit extraction in split queue AVX2 Rx
>   net/idpf: fix DD bit byte offset in split queue AVX2 Rx
>   net/idpf: fix mbuf initializer source in split queue AVX2 Rx
>   net/idpf: fix ptype insert position in split queue AVX2 Rx
>   net/idpf: fix split queue AVX2 Tx buffer size shift
>   net/idpf: fix split queue AVX2 Tx burst and completion
> 
Series applied to dpdk-next-net-intel
Thanks,
/Bruce