}
}
- printk(KERN_NOTICE "RDS/IB: connected to %pI4 version %u.%u%s\n",
- &conn->c_faddr,
- RDS_PROTOCOL_MAJOR(conn->c_version),
- RDS_PROTOCOL_MINOR(conn->c_version),
- ic->i_flowctl ? ", flow control" : "");
+ if (conn->c_version < RDS_PROTOCOL(3,1)) {
+ printk(KERN_NOTICE "RDS/IB: Connection to %pI4 version %u.%u failed,"
+ " no longer supported\n",
+ &conn->c_faddr,
+ RDS_PROTOCOL_MAJOR(conn->c_version),
+ RDS_PROTOCOL_MINOR(conn->c_version));
+ rds_conn_destroy(conn);
+ return;
+ } else {
+ printk(KERN_NOTICE "RDS/IB: connected to %pI4 version %u.%u%s\n",
+ &conn->c_faddr,
+ RDS_PROTOCOL_MAJOR(conn->c_version),
+ RDS_PROTOCOL_MINOR(conn->c_version),
+ ic->i_flowctl ? ", flow control" : "");
+ }
/*
* Init rings and fill recv. this needs to wait until protocol negotiation
rds_ib_recv_init_ring(ic);
/* Post receive buffers - as a side effect, this will update
* the posted credit count. */
- rds_ib_recv_refill(conn, GFP_KERNEL, GFP_HIGHUSER, 1);
+ rds_ib_recv_refill(conn, 1);
/* Tune RNR behavior */
rds_ib_tune_rnr(ic, &qp_attr);
static void rds_ib_cm_fill_conn_param(struct rds_connection *conn,
struct rdma_conn_param *conn_param,
struct rds_ib_connect_private *dp,
- u32 protocol_version)
+ u32 protocol_version,
+ u32 max_responder_resources,
+ u32 max_initiator_depth)
{
+ struct rds_ib_connection *ic = conn->c_transport_data;
+ struct rds_ib_device *rds_ibdev;
+
memset(conn_param, 0, sizeof(struct rdma_conn_param));
- /* XXX tune these? */
- conn_param->responder_resources = 1;
- conn_param->initiator_depth = 1;
+
+ rds_ibdev = ib_get_client_data(ic->i_cm_id->device, &rds_ib_client);
+
+ conn_param->responder_resources =
+ min_t(u32, rds_ibdev->max_responder_resources, max_responder_resources);
+ conn_param->initiator_depth =
+ min_t(u32, rds_ibdev->max_initiator_depth, max_initiator_depth);
conn_param->retry_count = min_t(unsigned int, rds_ib_retry_count, 7);
conn_param->rnr_retry_count = 7;
if (dp) {
- struct rds_ib_connection *ic = conn->c_transport_data;
-
memset(dp, 0, sizeof(*dp));
dp->dp_saddr = conn->c_laddr;
dp->dp_daddr = conn->c_faddr;
* the rds_ibdev at all.
*/
rds_ibdev = ib_get_client_data(dev, &rds_ib_client);
- if (rds_ibdev == NULL) {
+ if (!rds_ibdev) {
if (printk_ratelimit())
printk(KERN_NOTICE "RDS/IB: No client_data for device %s\n",
dev->name);
ic->i_send_ring.w_nr *
sizeof(struct rds_header),
&ic->i_send_hdrs_dma, GFP_KERNEL);
- if (ic->i_send_hdrs == NULL) {
+ if (!ic->i_send_hdrs) {
ret = -ENOMEM;
rdsdebug("ib_dma_alloc_coherent send failed\n");
goto out;
ic->i_recv_ring.w_nr *
sizeof(struct rds_header),
&ic->i_recv_hdrs_dma, GFP_KERNEL);
- if (ic->i_recv_hdrs == NULL) {
+ if (!ic->i_recv_hdrs) {
ret = -ENOMEM;
rdsdebug("ib_dma_alloc_coherent recv failed\n");
goto out;
ic->i_ack = ib_dma_alloc_coherent(dev, sizeof(struct rds_header),
&ic->i_ack_dma, GFP_KERNEL);
- if (ic->i_ack == NULL) {
+ if (!ic->i_ack) {
ret = -ENOMEM;
rdsdebug("ib_dma_alloc_coherent ack failed\n");
goto out;
}
ic->i_sends = vmalloc(ic->i_send_ring.w_nr * sizeof(struct rds_ib_send_work));
- if (ic->i_sends == NULL) {
+ if (!ic->i_sends) {
ret = -ENOMEM;
rdsdebug("send allocation failed\n");
goto out;
memset(ic->i_sends, 0, ic->i_send_ring.w_nr * sizeof(struct rds_ib_send_work));
ic->i_recvs = vmalloc(ic->i_recv_ring.w_nr * sizeof(struct rds_ib_recv_work));
- if (ic->i_recvs == NULL) {
+ if (!ic->i_recvs) {
ret = -ENOMEM;
rdsdebug("recv allocation failed\n");
goto out;
goto out;
}
- rds_ib_cm_fill_conn_param(conn, &conn_param, &dp_rep, version);
+ rds_ib_cm_fill_conn_param(conn, &conn_param, &dp_rep, version,
+ event->param.conn.responder_resources,
+ event->param.conn.initiator_depth);
/* rdma_accept() calls rdma_reject() internally if it fails */
err = rdma_accept(cm_id, &conn_param);
goto out;
}
- rds_ib_cm_fill_conn_param(conn, &conn_param, &dp, RDS_PROTOCOL_VERSION);
-
+ rds_ib_cm_fill_conn_param(conn, &conn_param, &dp, RDS_PROTOCOL_VERSION,
+ UINT_MAX, UINT_MAX);
ret = rdma_connect(cm_id, &conn_param);
if (ret)
rds_ib_conn_error(conn, "rdma_connect failed (%d)\n", ret);
ic->i_cm_id, err);
}
+ /*
+ * Don't wait for the send ring to be empty -- there may be completed
+ * non-signaled entries sitting on there. We unmap these below.
+ */
wait_event(rds_ib_ring_empty_wait,
- rds_ib_ring_empty(&ic->i_send_ring) &&
rds_ib_ring_empty(&ic->i_recv_ring));
if (ic->i_send_hdrs)
BUG_ON(ic->rds_ibdev);
/* Clear pending transmit */
- if (ic->i_rm) {
- rds_message_put(ic->i_rm);
- ic->i_rm = NULL;
+ if (ic->i_data_op) {
+ struct rds_message *rm;
+
+ rm = container_of(ic->i_data_op, struct rds_message, data);
+ rds_message_put(rm);
+ ic->i_data_op = NULL;
}
/* Clear the ACK state */
/* XXX too lazy? */
ic = kzalloc(sizeof(struct rds_ib_connection), GFP_KERNEL);
- if (ic == NULL)
+ if (!ic)
return -ENOMEM;
INIT_LIST_HEAD(&ic->ib_node);
git://bbs.cooldavid.org / net-next-2.6.git / blobdiff