Re: [PATCH v10 net-next 2/6] net: add low latency socket poll

From: Eric Dumazet
Date: Mon Jun 10 2013 - 10:29:47 EST


On Mon, 2013-06-10 at 11:39 +0300, Eliezer Tamir wrote:
> Adds an ndo_ll_poll method and the code that supports it.
> This method can be used by low latency applications to busy-poll
> Ethernet device queues directly from the socket code.
> sysctl_net_ll_poll controls how many microseconds to poll.
> Default is zero (disabled).
> Individual protocol support will be added by subsequent patches.
>
> Signed-off-by: Alexander Duyck <alexander.h.duyck@xxxxxxxxx>
> Signed-off-by: Jesse Brandeburg <jesse.brandeburg@xxxxxxxxx>
> Signed-off-by: Eliezer Tamir <eliezer.tamir@xxxxxxxxxxxxxxx>
> ---
>
> Documentation/sysctl/net.txt | 7 ++
> include/linux/netdevice.h | 3 +
> include/linux/skbuff.h | 8 ++
> include/net/ll_poll.h | 148 ++++++++++++++++++++++++++++++++++++++++++
> include/net/sock.h | 4 +
> include/uapi/linux/snmp.h | 1
> net/Kconfig | 12 +++
> net/core/skbuff.c | 4 +
> net/core/sock.c | 6 ++
> net/core/sysctl_net_core.c | 10 +++
> net/ipv4/proc.c | 1
> net/socket.c | 6 ++
> 12 files changed, 208 insertions(+), 2 deletions(-)
> create mode 100644 include/net/ll_poll.h

Acked-by: Eric Dumazet <edumazet@xxxxxxxxxx>


--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/