search for: pabeni

This gives small but noticeable rx performance improvement (2-3%) and will allow exploiting future napi improvement. Signed-off-by: Paolo Abeni <pabeni at redhat.com> --- drivers/net/virtio_net.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index fb0eae4..49d84e5 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -260,7 +260,7 @@ static struct sk_bu...

This gives small but noticeable rx performance improvement (2-3%) and will allow exploiting future napi improvement. Signed-off-by: Paolo Abeni <pabeni at redhat.com> --- drivers/net/virtio_net.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index fb0eae4..49d84e5 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -260,7 +260,7 @@ static struct sk_bu...

This gives small but noticeable rx performance improvement (2-3%) and will allow exploiting future napi improvement. Signed-off-by: Paolo Abeni <pabeni at redhat.com> -- v2: replace also netdev_alloc_skb_ip_align() invocation in add_recvbuf_small(), suggested by Venkatesh Srinivas --- drivers/net/virtio_net.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index fb0...

This gives small but noticeable rx performance improvement (2-3%) and will allow exploiting future napi improvement. Signed-off-by: Paolo Abeni <pabeni at redhat.com> -- v2: replace also netdev_alloc_skb_ip_align() invocation in add_recvbuf_small(), suggested by Venkatesh Srinivas --- drivers/net/virtio_net.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index fb0...

...18 A packet weight of 256 gives peek performances in under all the tested scenarios. No measurable regression in unidirectional performance tests has been detected. [1] https://developers.redhat.com/blog/2017/06/05/measuring-and-comparing-open-vswitch-performance/ Signed-off-by: Paolo Abeni <pabeni at redhat.com> --- drivers/vhost/net.c | 12 ++++++++---- 1 file changed, 8 insertions(+), 4 deletions(-) diff --git a/drivers/vhost/net.c b/drivers/vhost/net.c index bbf38befefb2..c4b49fca4871 100644 --- a/drivers/vhost/net.c +++ b/drivers/vhost/net.c @@ -46,8 +46,10 @@ MODULE_PARM_DESC(exper...

On Thu, Mar 17, 2016 at 7:44 AM, Paolo Abeni <pabeni at redhat.com> wrote: > > This gives small but noticeable rx performance improvement (2-3%) > and will allow exploiting future napi improvement. > > Signed-off-by: Paolo Abeni <pabeni at redhat.com> > --- Worked in my tests, though the performance win was in the noise (+...

On Thu, 30 Mar 2023 12:48:22 +0200, Paolo Abeni <pabeni at redhat.com> wrote: > On Tue, 2023-03-28 at 20:04 +0800, Xuan Zhuo wrote: > > @@ -949,15 +1042,11 @@ static struct sk_buff *receive_small(struct net_device *dev, > > { > > struct sk_buff *skb; > > struct bpf_prog *xdp_prog; > > - unsigned int xdp_headroom...

...t MSG_SENDPAGE_NOTLAST to MSG_MORE, which is now unnecessary. Signed-off-by: David Howells <dhowells at redhat.com> cc: "David S. Miller" <davem at davemloft.net> cc: Eric Dumazet <edumazet at google.com> cc: Jakub Kicinski <kuba at kernel.org> cc: Paolo Abeni <pabeni at redhat.com> cc: Jens Axboe <axboe at kernel.dk> cc: Matthew Wilcox <willy at infradead.org> cc: bpf at vger.kernel.org cc: dccp at vger.kernel.org cc: linux-afs at lists.infradead.org cc: linux-arm-msm at vger.kernel.org cc: linux-can at vger.kernel.org cc: linux-crypto at vger.ke...

...; (maintainer:VM SOCKETS (AF_VSOCK)) "David S. Miller" <davem at davemloft.net> (maintainer:NETWORKING [GENERAL]) Eric Dumazet <edumazet at google.com> (maintainer:NETWORKING [GENERAL]) Jakub Kicinski <kuba at kernel.org> (maintainer:NETWORKING [GENERAL]) Paolo Abeni <pabeni at redhat.com> (maintainer:NETWORKING [GENERAL]) virtualization at lists.linux-foundation.org (open list:VM SOCKETS (AF_VSOCK)) netdev at vger.kernel.org (open list:VM SOCKETS (AF_VSOCK)) linux-kernel at vger.kernel.org (open list) Thanks, Stefano [1] https://www.kernel.org/doc/html/v4.17/proc...

Hi, On Tue, 2023-03-07 at 09:49 +0800, Xuan Zhuo wrote: > On Mon, 6 Mar 2023 12:58:22 -0500, "Michael S. Tsirkin" <mst at redhat.com> wrote: > > On Mon, Mar 06, 2023 at 12:15:33PM +0800, Xuan Zhuo wrote: > > > If the queue of xdp xmit is not an independent queue, then when the xdp > > > xmit used all the desc, the xmit from the __dev_queue_xmit() may

On Thu, 2016-03-10 at 09:28 -0500, Aaron Conole wrote: > This patch checks the feature bit for the VIRTIO_NET_F_MTU feature. If it > exists, read the advised MTU and use it. > > No proper error handling is provided for the case where a user changes the > negotiated MTU. A future commit will add proper error handling. Instead, a > warning is emitted if the guest changes the

On Thu, 2016-03-10 at 09:28 -0500, Aaron Conole wrote: > This patch checks the feature bit for the VIRTIO_NET_F_MTU feature. If it > exists, read the advised MTU and use it. > > No proper error handling is provided for the case where a user changes the > negotiated MTU. A future commit will add proper error handling. Instead, a > warning is emitted if the guest changes the

...;mark at fasheh.com> cc: Joel Becker <jlbec at evilplan.org> cc: Joseph Qi <joseph.qi at linux.alibaba.com> cc: "David S. Miller" <davem at davemloft.net> cc: Eric Dumazet <edumazet at google.com> cc: Jakub Kicinski <kuba at kernel.org> cc: Paolo Abeni <pabeni at redhat.com> cc: ocfs2-devel at oss.oracle.com cc: netdev at vger.kernel.org --- fs/ocfs2/cluster/tcp.c | 107 ++++++++++++++++++++++------------------- 1 file changed, 58 insertions(+), 49 deletions(-) diff --git a/fs/ocfs2/cluster/tcp.c b/fs/ocfs2/cluster/tcp.c index aecbd712a00c..b543f72d...

...;mark at fasheh.com> cc: Joel Becker <jlbec at evilplan.org> cc: Joseph Qi <joseph.qi at linux.alibaba.com> cc: "David S. Miller" <davem at davemloft.net> cc: Eric Dumazet <edumazet at google.com> cc: Jakub Kicinski <kuba at kernel.org> cc: Paolo Abeni <pabeni at redhat.com> cc: ocfs2-devel at oss.oracle.com cc: netdev at vger.kernel.org --- fs/ocfs2/cluster/tcp.c | 107 ++++++++++++++++++++++------------------- 1 file changed, 58 insertions(+), 49 deletions(-) diff --git a/fs/ocfs2/cluster/tcp.c b/fs/ocfs2/cluster/tcp.c index aecbd712a00c..e568ad2f...

On Tue, 2023-07-25 at 16:07 +0300, Gavin Li wrote: > Add interrupt_coalesce config in send_queue and receive_queue to cache user > config. > > Send per virtqueue interrupt moderation config to underlying device in > order to have more efficient interrupt moderation and cpu utilization of > guest VM. > > Additionally, address all the VQs when updating the global

...;mark at fasheh.com> cc: Joel Becker <jlbec at evilplan.org> cc: Joseph Qi <joseph.qi at linux.alibaba.com> cc: "David S. Miller" <davem at davemloft.net> cc: Eric Dumazet <edumazet at google.com> cc: Jakub Kicinski <kuba at kernel.org> cc: Paolo Abeni <pabeni at redhat.com> cc: ocfs2-devel at oss.oracle.com cc: netdev at vger.kernel.org --- Notes: ver #2) - Wrap lines at 80. fs/ocfs2/cluster/tcp.c | 109 +++++++++++++++++++++++------------------ 1 file changed, 60 insertions(+), 49 deletions(-) diff --git a/fs/ocfs2/cluster/tcp.c b/fs/oc...

...;mark at fasheh.com> cc: Joel Becker <jlbec at evilplan.org> cc: Joseph Qi <joseph.qi at linux.alibaba.com> cc: "David S. Miller" <davem at davemloft.net> cc: Eric Dumazet <edumazet at google.com> cc: Jakub Kicinski <kuba at kernel.org> cc: Paolo Abeni <pabeni at redhat.com> cc: ocfs2-devel at oss.oracle.com cc: netdev at vger.kernel.org --- fs/ocfs2/cluster/tcp.c | 107 ++++++++++++++++++++++------------------- 1 file changed, 58 insertions(+), 49 deletions(-) diff --git a/fs/ocfs2/cluster/tcp.c b/fs/ocfs2/cluster/tcp.c index aecbd712a00c..e568ad2f...

Adjust drivers that support the 'FLOW_DISSECTOR_KEY_META' key to reject filters that try to match on the newly added layer 2 miss option. Add an extack message to clearly communicate the failure reason to user space. Example: # tc filter add dev swp1 egress pref 1 proto all flower skip_sw l2_miss true action drop Error: mlxsw_spectrum: Can't match on "l2_miss". We have

Hi, On Tue, 2023-03-28 at 20:04 +0800, Xuan Zhuo wrote: > The purpose of this patch is to simplify the receive_mergeable(). > Separate all the logic of XDP into a function. > > Signed-off-by: Xuan Zhuo <xuanzhuo at linux.alibaba.com> > --- > drivers/net/virtio_net.c | 128 +++++++++++++++++++++++---------------- > 1 file changed, 76 insertions(+), 52 deletions(-) >

...n, Aug 14, 2023 at 01:18:45PM -0400, Feng Liu wrote: > > > > > > + "David S. Miller" <davem at davemloft.net> > > > Eric Dumazet <edumazet at google.com> > > > Jakub Kicinski <kuba at kernel.org> > > > Paolo Abeni <pabeni at redhat.com> > > > > > Thanks for adding David S. Miller. > > > > > > The virtio_net driver currently deals with different versions and types > > > > of virtio net headers, such as virtio_net_hdr_mrg_rxbuf, > > > > virtio_net_hdr_v1_hash...