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Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Manish Chopra Subject: Re: [PATCH net-next 1/3] net: qede: use return from qede_parse_actions() for flow_spec Message-ID: <20240504145916.GD2279@kernel.org> References: <20240503105505.839342-1-ast@fiberby.net> <20240503105505.839342-2-ast@fiberby.net> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20240503105505.839342-2-ast@fiberby.net> On Fri, May 03, 2024 at 10:55:01AM +0000, Asbjørn Sloth Tønnesen wrote: > In qede_flow_spec_to_rule(), when calling > qede_parse_actions() then the return code > was only used for a non-zero check, and then > -EINVAL was returned. > > qede_parse_actions() can currently fail with: > * -EINVAL > * -EOPNOTSUPP > > Commit 319a1d19471e ("flow_offload: check for > basic action hw stats type") broke the implicit > assumption that it could only fail with -EINVAL, > by changing it to return -EOPNOTSUPP, when hardware > stats are requested. > > However AFAICT it's not possible to trigger > qede_parse_actions() to return -EOPNOTSUPP, when > called from qede_flow_spec_to_rule(), as hardware > stats can't be requested by ethtool_rx_flow_rule_create(). > > This patch changes qede_flow_spec_to_rule() to use > the actual return code from qede_parse_actions(), > so it's no longer assumed that all errors are -EINVAL. > > Only compile tested. > > Signed-off-by: Asbjørn Sloth Tønnesen Reviewed-by: Simon Horman