[dpdk-dev] [PATCH v2 1/3] net: fix variable size of ethdev port id

[Ed Czeck]

On Fri, Sep 25, 2020 at 1:41 AM Chenbo Xia <chenbo.xia at intel.com> wrote:
>
> The ethdev port id should be 16 bits now. This patch changes the
> variable size of port id in some net drivers from 8 bits to 16
> bits.
>
> Fixes: cf18d4def295 ("net/ark: provide API for hardware modules UDM and DDM")
> Fixes: 09b23f8b9df6 ("net/bnxt: fix port stop process and cleanup resources")
> Fixes: 769de16872ab ("net/bnxt: fix port default rule create/destroy")
> Fixes: 50370662b727 ("net/ice: support device and queue ops")
> Fixes: a50d7cbbdad7 ("net/qede: support registers dump")
> Cc: stable at dpdk.org
>
> Signed-off-by: Chenbo Xia <chenbo.xia at intel.com>
> ---
>  drivers/net/ark/ark_udm.h               | 2 +-
>  drivers/net/bnxt/tf_ulp/bnxt_ulp.c      | 2 +-
>  drivers/net/bnxt/tf_ulp/ulp_def_rules.c | 6 +++---
>  drivers/net/ice/ice_rxtx.h              | 4 ++--
>  drivers/net/qede/base/bcm_osal.h        | 2 +-
>  drivers/net/qede/qede_regs.c            | 2 +-
>  6 files changed, 9 insertions(+), 9 deletions(-)
>
> diff --git a/drivers/net/ark/ark_udm.h b/drivers/net/ark/ark_udm.h
> index 5846c825b..32eb82faa 100644
> --- a/drivers/net/ark/ark_udm.h
> +++ b/drivers/net/ark/ark_udm.h
> @@ -19,7 +19,7 @@
>  struct ark_rx_meta {
>         uint64_t timestamp;
>         uint64_t user_data;
> -       uint8_t port;
> +       uint16_t port;
>         uint8_t dst_queue;
>         uint16_t pkt_len;
>  };

NACK - this struct correlates with an identical structure in the
hardware module.  The C-level cannot be changed without a hardware
update.  For the net/ark driver we will be content with 8-bit port
ids.
Ed.