Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland...

[linux-2.6-omap-h63xx.git] / drivers / infiniband / core / cma.c

diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c
index 2e641b255db48b197ab51bcb49e2dcde94e1aae3..93644f82592c426074a9beba068b4e23d4910b79 100644 (file)
--- a/drivers/infiniband/core/cma.c
+++ b/drivers/infiniband/core/cma.c
@@ -52,6 +52,7 @@ MODULE_LICENSE("Dual BSD/GPL");
 
 #define CMA_CM_RESPONSE_TIMEOUT 20
 #define CMA_MAX_CM_RETRIES 15
+#define CMA_CM_MRA_SETTING (IB_CM_MRA_FLAG_DELAY | 24)
 
 static void cma_add_one(struct ib_device *device);
 static void cma_remove_one(struct ib_device *device);
@@ -138,6 +139,7 @@ struct rdma_id_private {
        u32                     qkey;
        u32                     qp_num;
        u8                      srq;
+       u8                      tos;
 };
 
 struct cma_multicast {
@@ -1089,6 +1091,7 @@ static int cma_req_handler(struct ib_cm_id *cm_id, struct ib_cm_event *ib_event)
                event.param.ud.private_data_len =
                                IB_CM_SIDR_REQ_PRIVATE_DATA_SIZE - offset;
        } else {
+               ib_send_cm_mra(cm_id, CMA_CM_MRA_SETTING, NULL, 0);
                conn_id = cma_new_conn_id(&listen_id->id, ib_event);
                cma_set_req_event_data(&event, &ib_event->param.req_rcvd,
                                       ib_event->private_data, offset);
@@ -1474,6 +1477,15 @@ err:
 }
 EXPORT_SYMBOL(rdma_listen);
 
+void rdma_set_service_type(struct rdma_cm_id *id, int tos)
+{
+       struct rdma_id_private *id_priv;
+
+       id_priv = container_of(id, struct rdma_id_private, id);
+       id_priv->tos = (u8) tos;
+}
+EXPORT_SYMBOL(rdma_set_service_type);
+
 static void cma_query_handler(int status, struct ib_sa_path_rec *path_rec,
                              void *context)
 {
@@ -1498,23 +1510,37 @@ static void cma_query_handler(int status, struct ib_sa_path_rec *path_rec,
 static int cma_query_ib_route(struct rdma_id_private *id_priv, int timeout_ms,
                              struct cma_work *work)
 {
-       struct rdma_dev_addr *addr = &id_priv->id.route.addr.dev_addr;
+       struct rdma_addr *addr = &id_priv->id.route.addr;
        struct ib_sa_path_rec path_rec;
+       ib_sa_comp_mask comp_mask;
+       struct sockaddr_in6 *sin6;
 
        memset(&path_rec, 0, sizeof path_rec);
-       ib_addr_get_sgid(addr, &path_rec.sgid);
-       ib_addr_get_dgid(addr, &path_rec.dgid);
-       path_rec.pkey = cpu_to_be16(ib_addr_get_pkey(addr));
+       ib_addr_get_sgid(&addr->dev_addr, &path_rec.sgid);
+       ib_addr_get_dgid(&addr->dev_addr, &path_rec.dgid);
+       path_rec.pkey = cpu_to_be16(ib_addr_get_pkey(&addr->dev_addr));
        path_rec.numb_path = 1;
        path_rec.reversible = 1;
+       path_rec.service_id = cma_get_service_id(id_priv->id.ps, &addr->dst_addr);
+
+       comp_mask = IB_SA_PATH_REC_DGID | IB_SA_PATH_REC_SGID |
+                   IB_SA_PATH_REC_PKEY | IB_SA_PATH_REC_NUMB_PATH |
+                   IB_SA_PATH_REC_REVERSIBLE | IB_SA_PATH_REC_SERVICE_ID;
+
+       if (addr->src_addr.sa_family == AF_INET) {
+               path_rec.qos_class = cpu_to_be16((u16) id_priv->tos);
+               comp_mask |= IB_SA_PATH_REC_QOS_CLASS;
+       } else {
+               sin6 = (struct sockaddr_in6 *) &addr->src_addr;
+               path_rec.traffic_class = (u8) (be32_to_cpu(sin6->sin6_flowinfo) >> 20);
+               comp_mask |= IB_SA_PATH_REC_TRAFFIC_CLASS;
+       }
 
        id_priv->query_id = ib_sa_path_rec_get(&sa_client, id_priv->id.device,
-                               id_priv->id.port_num, &path_rec,
-                               IB_SA_PATH_REC_DGID | IB_SA_PATH_REC_SGID |
-                               IB_SA_PATH_REC_PKEY | IB_SA_PATH_REC_NUMB_PATH |
-                               IB_SA_PATH_REC_REVERSIBLE,
-                               timeout_ms, GFP_KERNEL,
-                               cma_query_handler, work, &id_priv->query);
+                                              id_priv->id.port_num, &path_rec,
+                                              comp_mask, timeout_ms,
+                                              GFP_KERNEL, cma_query_handler,
+                                              work, &id_priv->query);
 
        return (id_priv->query_id < 0) ? id_priv->query_id : 0;
 }