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[24.6.151.244]) by smtp.gmail.com with ESMTPSA id 41be03b00d2f7-7e9f6c4915asm7122825a12.86.2024.10.08.11.20.49 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 08 Oct 2024 11:20:50 -0700 (PDT) Date: Tue, 8 Oct 2024 11:20:47 -0700 From: Joe Damato To: netdev@vger.kernel.org Cc: mkarsten@uwaterloo.ca, skhawaja@google.com, sdf@fomichev.me, bjorn@rivosinc.com, amritha.nambiar@intel.com, sridhar.samudrala@intel.com, willemdebruijn.kernel@gmail.com, "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Donald Hunter , Jesper Dangaard Brouer , Mina Almasry , Xuan Zhuo , Daniel Jurgens , open list Subject: Re: [RFC net-next v4 6/9] netdev-genl: Support setting per-NAPI config values Message-ID: Mail-Followup-To: Joe Damato , netdev@vger.kernel.org, mkarsten@uwaterloo.ca, skhawaja@google.com, sdf@fomichev.me, bjorn@rivosinc.com, amritha.nambiar@intel.com, sridhar.samudrala@intel.com, willemdebruijn.kernel@gmail.com, "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Donald Hunter , Jesper Dangaard Brouer , Mina Almasry , Xuan Zhuo , Daniel Jurgens , open list References: <20241001235302.57609-1-jdamato@fastly.com> <20241001235302.57609-7-jdamato@fastly.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20241001235302.57609-7-jdamato@fastly.com> On Tue, Oct 01, 2024 at 11:52:37PM +0000, Joe Damato wrote: > Add support to set per-NAPI defer_hard_irqs and gro_flush_timeout. > > Signed-off-by: Joe Damato > --- > Documentation/netlink/specs/netdev.yaml | 11 ++++++ > include/uapi/linux/netdev.h | 1 + > net/core/netdev-genl-gen.c | 14 ++++++++ > net/core/netdev-genl-gen.h | 1 + > net/core/netdev-genl.c | 45 +++++++++++++++++++++++++ > tools/include/uapi/linux/netdev.h | 1 + > 6 files changed, 73 insertions(+) [...] > diff --git a/net/core/netdev-genl-gen.c b/net/core/netdev-genl-gen.c > index b28424ae06d5..901c6f65b735 100644 > --- a/net/core/netdev-genl-gen.c > +++ b/net/core/netdev-genl-gen.c > @@ -87,6 +87,13 @@ static const struct nla_policy netdev_bind_rx_nl_policy[NETDEV_A_DMABUF_FD + 1] > [NETDEV_A_DMABUF_QUEUES] = NLA_POLICY_NESTED(netdev_queue_id_nl_policy), > }; > > +/* NETDEV_CMD_NAPI_SET - set */ > +static const struct nla_policy netdev_napi_set_nl_policy[NETDEV_A_NAPI_GRO_FLUSH_TIMEOUT + 1] = { > + [NETDEV_A_NAPI_ID] = { .type = NLA_U32, }, > + [NETDEV_A_NAPI_DEFER_HARD_IRQS] = { .type = NLA_S32 }, Noticed this while re-reading the code; planning on changing this from NLA_S32 to NLA_U32 for v5.