[dpdk-dev] [dpdk-stable] [PATCH 1/3] common/sfc_efx/base: fix MAE match spec validation helper

[Ferruh Yigit]

On 1/6/2021 10:05 AM, Ivan Malov wrote:
> A particular FW version is aware of some set of match fields.
> Depending on FW configuration and match specification type, a
> known field may not necessarily be allowed to have a non-zero
> mask. FW communicates such restrictions via field capabilities
> MCDI. Newer FW may be aware of more fields. For such fields,
> older FW simply does not report any capabilities.
> 
> A situation may occur when libefx is aware of a match field
> which the FW is unaware of (eg., older FW), that is, FW does
> not report capability status for this field. In this case,
> libefx must consider such field as unsupported and demand
> all-zeros mask for it when validating match specifications.
> 
> Currently, the helper in question simply exits and reports
> that the specification is valid when it encounters a field
> with no capability status available. This is clearly wrong.
> 
> Introduce the missing check to fix the problem.
> 
> Fixes: 34285fd0891d ("common/sfc_efx/base: add match spec validate API")
> Cc: stable at dpdk.org
> 
> Reviewed-by: Andy Moreton <amoreton at xilinx.com>
> Reviewed-by: Andrew Rybchenko <andrew.rybchenko at oktetlabs.ru>
> Signed-off-by: Ivan Malov <ivan.malov at oktetlabs.ru>

Series applied to dpdk-next-net/main, thanks.