diff options
Diffstat (limited to 'net/sunrpc/xprtrdma/frwr_ops.c')
| -rw-r--r-- | net/sunrpc/xprtrdma/frwr_ops.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/net/sunrpc/xprtrdma/frwr_ops.c b/net/sunrpc/xprtrdma/frwr_ops.c index 523722be6a16..859c301d9d30 100644 --- a/net/sunrpc/xprtrdma/frwr_ops.c +++ b/net/sunrpc/xprtrdma/frwr_ops.c @@ -190,6 +190,16 @@ int frwr_open(struct rpcrdma_ia *ia, struct rpcrdma_ep *ep) { struct ib_device_attr *attrs = &ia->ri_id->device->attrs; int max_qp_wr, depth, delta; + unsigned int max_sge; + + max_sge = min_t(unsigned int, attrs->max_send_sge, + RPCRDMA_MAX_SEND_SGES); + if (max_sge < RPCRDMA_MIN_SEND_SGES) { + pr_err("rpcrdma: HCA provides only %u send SGEs\n", max_sge); + return -ENOMEM; + } + ep->rep_attr.cap.max_send_sge = max_sge; + ep->rep_attr.cap.max_recv_sge = 1; ia->ri_mrtype = IB_MR_TYPE_MEM_REG; if (attrs->device_cap_flags & IB_DEVICE_SG_GAPS_REG) |