From: Michael Wang <yun.wang@profitbricks.com>
To: Roland Dreier <roland@kernel.org>,
Sean Hefty <sean.hefty@intel.com>,
Hal Rosenstock <hal.rosenstock@gmail.com>,
Ira Weiny <ira.weiny@intel.com>,
linux-rdma@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-nfs@vger.kernel.org, netdev@vger.kernel.org
Cc: "J. Bruce Fields" <bfields@fieldses.org>,
Trond Myklebust <trond.myklebust@primarydata.com>,
"David S. Miller" <davem@davemloft.net>,
Or Gerlitz <ogerlitz@mellanox.com>,
Moni Shoua <monis@mellanox.com>,
PJ Waskiewicz <pj.waskiewicz@solidfire.com>,
Tatyana Nikolova <Tatyana.E.Nikolova@intel.com>,
Yan Burman <yanb@mellanox.com>,
Jack Morgenstein <jackm@dev.mellanox.co.il>,
Bart Van Assche <bvanassche@acm.org>,
Yann Droneaud <ydroneaud@opteya.com>,
Colin Ian King <colin.king@canonical.com>,
Majd Dibbiny <majd@mellanox.com>, Jiri Kosina <jkosina@suse.cz>,
Matan Barak <matanb@mellanox.com>,
Alex Estrin <alex.estrin@intel.com>,
Doug Ledford <dledford@redhat.com>,
Eric Dumazet <edumazet@google.com>,
Erez Shitrit <erezsh@mellanox.com>,
Sagi Grimberg <sagig@mellanox.com>,
Haggai Eran <haggaie@mellanox.com>,
Shachar Raindel <raindel@mellanox.com>,
Mike Marciniszyn <mike.marciniszyn@intel.com>,
Steve Wise <swise@opengridcomputing.com>, Tom Tucker <tom@ogc.us>,
Chuck Lever <chuck.lever@oracle.com>,
Michael Wang <yun.wang@profitbricks.com>
Subject: [RFC PATCH 08/11] IB/Verbs: Use management helper has_iwarp() for, iwarp-check
Date: Fri, 27 Mar 2015 16:47:36 +0100 [thread overview]
Message-ID: <55157B98.1060103@profitbricks.com> (raw)
In-Reply-To: <551579CA.4030901@profitbricks.com>
Introduce helper has_iwarp() to help us check if an IB device
support IWARP protocol.
Cc: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>
Cc: Doug Ledford <dledford@redhat.com>
Cc: Ira Weiny <ira.weiny@intel.com>
Cc: Sean Hefty <sean.hefty@intel.com>
Signed-off-by: Michael Wang <yun.wang@profitbricks.com>
---
include/rdma/ib_verbs.h | 13 +++++++++++++
net/sunrpc/xprtrdma/svc_rdma_recvfrom.c | 2 +-
2 files changed, 14 insertions(+), 1 deletion(-)
diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h
index e796104..0ef9cd7 100644
--- a/include/rdma/ib_verbs.h
+++ b/include/rdma/ib_verbs.h
@@ -1836,6 +1836,19 @@ static inline int has_mcast(struct ib_device *device)
}
/**
+ * has_iwarp - Check if a device support IWARP protocol.
+ *
+ * @device: Device to be checked
+ *
+ * Return 0 when a device has none port to support
+ * IWARP protocol.
+ */
+static inline int has_iwarp(struct ib_device *device)
+{
+ return rdma_transport_is_iwarp(device);
+}
+
+/**
* cap_smi - Check if the port of device has the capability
* Subnet Management Interface.
*
diff --git a/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c b/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c
index a7b5891..48aeb5e 100644
--- a/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c
+++ b/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c
@@ -118,7 +118,7 @@ static void rdma_build_arg_xdr(struct svc_rqst *rqstp,
static int rdma_read_max_sge(struct svcxprt_rdma *xprt, int sge_count)
{
- if (rdma_transport_is_iwarp(xprt->sc_cm_id->device))
+ if (has_iwarp(xprt->sc_cm_id->device))
return 1;
else
return min_t(int, sge_count, xprt->sc_max_sge);
--
2.1.0
next prev parent reply other threads:[~2015-03-27 15:47 UTC|newest]
Thread overview: 63+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-03-27 15:39 [RFC PATCH 00/11] IB/Verbs: IB Management Helpers Michael Wang
2015-03-27 15:40 ` [PATCH 01/11] IB/Verbs: Use helpers to check transport and link layer Michael Wang
2015-03-30 15:56 ` Doug Ledford
2015-03-30 16:14 ` Michael Wang
2015-03-30 16:22 ` Doug Ledford
2015-03-30 17:04 ` Michael Wang
2015-03-27 15:42 ` [RFC PATCH 02/11] IB/Verbs: Use management helper tech_iboe() for iboe-check Michael Wang
2015-03-30 16:17 ` Doug Ledford
2015-03-30 16:23 ` Michael Wang
2015-03-27 15:43 ` [RFC PATCH 03/11] IB/Verbs: Use management helper has_mad() for mad-check Michael Wang
2015-03-27 15:44 ` [RFC PATCH 04/11] IB/Verbs: Use management helper cap_smi() for smi-check Michael Wang
2015-03-27 16:32 ` Jason Gunthorpe
2015-03-27 16:59 ` Yun Wang
2015-03-27 15:45 ` [RFC PATCH 05/11] IB/Verbs: Use management helper has_cm() for cm-check Michael Wang
2015-03-27 15:46 ` [RFC PATCH 06/11] IB/Verbs: Use management helper has_sa() and cap_sa(), for sa-check Michael Wang
2015-03-27 16:47 ` ira.weiny
2015-03-27 17:13 ` Yun Wang
2015-03-27 19:49 ` Doug Ledford
2015-03-30 16:16 ` Doug Ledford
2015-03-30 16:42 ` Michael Wang
2015-03-30 17:02 ` Doug Ledford
2015-03-31 13:22 ` Michael Wang
2015-03-31 23:12 ` Jason Gunthorpe
2015-04-01 0:51 ` ira.weiny
2015-04-01 1:31 ` Jason Gunthorpe
2015-03-27 15:46 ` [RFC PATCH 07/11] IB/Verbs: Use management helper has_mcast() and, cap_mcast() for mcast-check Michael Wang
2015-03-27 16:28 ` Jason Gunthorpe
2015-03-27 17:05 ` ira.weiny
2015-03-27 17:31 ` Yun Wang
2015-03-27 17:49 ` Jason Gunthorpe
2015-03-27 18:09 ` Yun Wang
2015-03-27 17:47 ` Jason Gunthorpe
2015-03-30 8:30 ` Michael Wang
2015-03-30 22:33 ` Jason Gunthorpe
2015-03-30 16:11 ` Doug Ledford
2015-03-30 16:20 ` Michael Wang
2015-03-30 23:47 ` ira.weiny
2015-03-31 7:25 ` Michael Wang
2015-03-27 15:47 ` Michael Wang [this message]
2015-03-27 16:13 ` [RFC PATCH 08/11] IB/Verbs: Use management helper has_iwarp() for, iwarp-check Jason Gunthorpe
2015-03-27 16:17 ` Michael Wang
2015-03-27 17:16 ` ira.weiny
2015-03-27 17:29 ` Jason Gunthorpe
2015-03-30 15:10 ` Michael Wang
2015-03-30 22:35 ` Jason Gunthorpe
2015-03-31 7:39 ` Michael Wang
2015-03-31 11:19 ` Tom Talpey
2015-03-31 11:41 ` Michael Wang
2015-03-31 13:56 ` Tom Talpey
2015-03-31 13:58 ` Michael Wang
2015-03-27 17:35 ` Yun Wang
2015-03-30 16:13 ` Doug Ledford
2015-03-30 16:21 ` Michael Wang
2015-03-31 23:20 ` Jason Gunthorpe
2015-03-27 15:48 ` [RFC PATCH 09/11] IB/Verbs: Use management helper has_ipoib() and, cap_ipoib() for ipoib-check Michael Wang
2015-03-27 16:06 ` Jason Gunthorpe
2015-03-27 16:15 ` Michael Wang
2015-03-27 16:38 ` Jason Gunthorpe
2015-03-27 15:49 ` [RFC PATCH 10/11] IB/Verbs: Use management helper cap_ib() for ib-check Michael Wang
2015-03-27 15:49 ` [RFC PATCH 11/11] IB/Verbs: Use management helper cap_eth() for eth-check Michael Wang
2015-04-06 20:22 ` [RFC PATCH 00/11] IB/Verbs: IB Management Helpers ira.weiny
2015-04-07 7:31 ` Michael Wang
2015-04-07 12:48 ` Michael Wang
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