Re: [PATCH v10 net-next 3/6] udp: add low latency socket poll support
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From: Willem de Bruijn <willemb@google.com>
Date: 2013-06-10 16:39:00
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On Mon, Jun 10, 2013 at 10:31 AM, Eric Dumazet [off-list ref] wrote:
On Mon, 2013-06-10 at 11:40 +0300, Eliezer Tamir wrote:quoted
Add upport for busy-polling on UDP sockets. In __udp[46]_lib_rcv add a call to sk_mark_ll() to copy the napi_id from the skb into the sk. This is done at the earliest possible moment, right after we identify which socket this skb is for. In __skb_recv_datagram When there is no data and the user tries to read we busy poll. Signed-off-by: Alexander Duyck <redacted> Signed-off-by: Jesse Brandeburg <redacted> Signed-off-by: Eliezer Tamir <redacted> --- net/core/datagram.c | 4 ++++ net/ipv4/udp.c | 6 +++++- net/ipv6/udp.c | 6 +++++- 3 files changed, 14 insertions(+), 2 deletions(-)Acked-by: Eric Dumazet <redacted>
Tested-by: Willem de Bruijn <willemb@google.com> (per Eliezer's request) ------------------------------------------------------------------------------ This SF.net email is sponsored by Windows: Build for Windows Store. http://p.sf.net/sfu/windows-dev2dev _______________________________________________ E1000-devel mailing list E1000-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/e1000-devel To learn more about Intel® Ethernet, visit http://communities.intel.com/community/wired