[PATCH v5 0/3] Enable DCB/PFC support for ICE PMD

Medvedkin, Vladimir vladimir.medvedkin at intel.com
Tue Oct 7 17:05:11 CEST 2025


On 10/3/2025 1:40 PM, Vladimir Medvedkin wrote:
> This series introduces an initial implementation of DCB and PFC to the ICE PMD.
> This includes adding support for TCs in ice_aq_set_mac_cfg() and asymmetric DCB/PFC configuration in base code.
>
> Current implementation relies on current API and has a number of limitation and assumptions such as:
>
> - Symmetric DCB configuration with respect to RX/TX, only dcb_rx_conf is used
> - All TCs are configured equally with respect to BW they share
> - No support for Low Latency TCs
> - All existing queues are split evenly across TCs. Number of queues must be power of 2 and be no less than configured nb_tcs
> - TX queues assigned to TCs the same way as RX queues
>
> v5:
> - drop base code patches
> - rebase on top of the next-net
>
> v4:
> - fix more endianness
>
> v3:
>   - ice_get_tc_by_up() is renamed to ice_get_tc_by_priority() for better clarity
>   - added ice_aq_set_mac_pfc_cfg(). Old ice_aq_set_mac_cfg() is a wrapper around a new function to keep better backward compatibility with an old code
>   - removed rte_memcpy() and memcry() with direct assignment
>   - addressed various style-related comments
>
> v2:
>   - fix spelling
>   - replace rte_memcpy with memcpy()
>   - fix endianness in several places
>
> Vladimir Medvedkin (3):
>    net/ice: enable DCB support
>    net/ice: enable PFC support
>    net/ice: add PFC statistics
>
>   drivers/net/intel/ice/ice_ethdev.c | 370 +++++++++++++++++++++++++++++
>   drivers/net/intel/ice/ice_rxtx.c   |  21 ++
>   2 files changed, 391 insertions(+)

Recheck-request: rebase=next-net-intel, iol-compile-amd64-testing, 
iol-compile-arm64-testing, iol-unit-arm64-testing, github-robot

-- 
Regards,
Vladimir



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