Messages in this thread Patch in this message | | | Date | Fri, 27 Mar 2015 16:47:36 +0100 | From | Michael Wang <> | Subject | [RFC PATCH 08/11] IB/Verbs: Use management helper has_iwarp() for, iwarp-check |
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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
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