lkml.org 
[lkml]   [2007]   [Aug]   [7]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH RFC] RDMA/CMA: Allocate PS_TCP ports from the host TCP port space.
Hi Steve.

On Tue, Aug 07, 2007 at 09:37:41AM -0500, Steve Wise (swise@opengridcomputing.com) wrote:
> +static int cma_get_tcp_port(struct rdma_id_private *id_priv)
> +{
> + int ret;
> + struct socket *sock;
> +
> + ret = sock_create_kern(AF_INET, SOCK_STREAM, IPPROTO_TCP, &sock);
> + if (ret)
> + return ret;
> + ret = sock->ops->bind(sock,
> + (struct socketaddr
> *)&id_priv->id.route.addr.src_addr,
> + ip_addr_size(&id_priv->id.route.addr.src_addr));

If get away from talks about broken offloading, this one will result in
the case, when usual network dataflow can enter private rdma land, i.e.
after bind succeeded this socket is accessible via any other network
device. Is it inteded?
And this is quite noticeble overhead per rdma connection, btw.

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

\
 
 \ /
  Last update: 2007-08-07 16:57    [W:0.131 / U:0.380 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site