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-rw-r--r--drivers/infiniband/hw/mlx4/main.c32
-rw-r--r--drivers/infiniband/hw/mlx4/qp.c8
-rw-r--r--drivers/infiniband/ulp/ipoib/ipoib.h6
-rw-r--r--drivers/infiniband/ulp/ipoib/ipoib_main.c4
-rw-r--r--drivers/infiniband/ulp/isert/ib_isert.c20
5 files changed, 57 insertions, 13 deletions
diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband/hw/mlx4/main.c
index c7586a1cec30..bda5994ceb68 100644
--- a/drivers/infiniband/hw/mlx4/main.c
+++ b/drivers/infiniband/hw/mlx4/main.c
@@ -1106,6 +1106,30 @@ static int __mlx4_ib_destroy_flow(struct mlx4_dev *dev, u64 reg_id)
return err;
}
+static int mlx4_ib_tunnel_steer_add(struct ib_qp *qp, struct ib_flow_attr *flow_attr,
+ u64 *reg_id)
+{
+ void *ib_flow;
+ union ib_flow_spec *ib_spec;
+ struct mlx4_dev *dev = to_mdev(qp->device)->dev;
+ int err = 0;
+
+ if (dev->caps.tunnel_offload_mode != MLX4_TUNNEL_OFFLOAD_MODE_VXLAN)
+ return 0; /* do nothing */
+
+ ib_flow = flow_attr + 1;
+ ib_spec = (union ib_flow_spec *)ib_flow;
+
+ if (ib_spec->type != IB_FLOW_SPEC_ETH || flow_attr->num_of_specs != 1)
+ return 0; /* do nothing */
+
+ err = mlx4_tunnel_steer_add(to_mdev(qp->device)->dev, ib_spec->eth.val.dst_mac,
+ flow_attr->port, qp->qp_num,
+ MLX4_DOMAIN_UVERBS | (flow_attr->priority & 0xff),
+ reg_id);
+ return err;
+}
+
static struct ib_flow *mlx4_ib_create_flow(struct ib_qp *qp,
struct ib_flow_attr *flow_attr,
int domain)
@@ -1153,6 +1177,12 @@ static struct ib_flow *mlx4_ib_create_flow(struct ib_qp *qp,
i++;
}
+ if (i < ARRAY_SIZE(type) && flow_attr->type == IB_FLOW_ATTR_NORMAL) {
+ err = mlx4_ib_tunnel_steer_add(qp, flow_attr, &mflow->reg_id[i]);
+ if (err)
+ goto err_free;
+ }
+
return &mflow->ibflow;
err_free:
@@ -1681,7 +1711,7 @@ static void mlx4_ib_update_qps(struct mlx4_ib_dev *ibdev,
goto unlock;
update_params.smac_index = new_smac_index;
- if (mlx4_update_qp(ibdev->dev, &qp->mqp, MLX4_UPDATE_QP_SMAC,
+ if (mlx4_update_qp(ibdev->dev, qp->mqp.qpn, MLX4_UPDATE_QP_SMAC,
&update_params)) {
release_mac = new_smac;
goto unlock;
diff --git a/drivers/infiniband/hw/mlx4/qp.c b/drivers/infiniband/hw/mlx4/qp.c
index 577b477cfaa6..9c5150c3cb31 100644
--- a/drivers/infiniband/hw/mlx4/qp.c
+++ b/drivers/infiniband/hw/mlx4/qp.c
@@ -1677,9 +1677,15 @@ static int __mlx4_ib_modify_qp(struct ib_qp *ibqp,
}
}
- if (qp->ibqp.qp_type == IB_QPT_RAW_PACKET)
+ if (qp->ibqp.qp_type == IB_QPT_RAW_PACKET) {
context->pri_path.ackto = (context->pri_path.ackto & 0xf8) |
MLX4_IB_LINK_TYPE_ETH;
+ if (dev->dev->caps.tunnel_offload_mode == MLX4_TUNNEL_OFFLOAD_MODE_VXLAN) {
+ /* set QP to receive both tunneled & non-tunneled packets */
+ if (!(context->flags & cpu_to_be32(1 << MLX4_RSS_QPC_FLAG_OFFSET)))
+ context->srqn = cpu_to_be32(7 << 28);
+ }
+ }
if (ibqp->qp_type == IB_QPT_UD && (new_state == IB_QPS_RTR)) {
int is_eth = rdma_port_get_link_layer(
diff --git a/drivers/infiniband/ulp/ipoib/ipoib.h b/drivers/infiniband/ulp/ipoib/ipoib.h
index 3edce617c31b..d7562beb5423 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib.h
+++ b/drivers/infiniband/ulp/ipoib/ipoib.h
@@ -131,6 +131,12 @@ struct ipoib_cb {
u8 hwaddr[INFINIBAND_ALEN];
};
+static inline struct ipoib_cb *ipoib_skb_cb(const struct sk_buff *skb)
+{
+ BUILD_BUG_ON(sizeof(skb->cb) < sizeof(struct ipoib_cb));
+ return (struct ipoib_cb *)skb->cb;
+}
+
/* Used for all multicast joins (broadcast, IPv4 mcast and IPv6 mcast) */
struct ipoib_mcast {
struct ib_sa_mcmember_rec mcmember;
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_main.c b/drivers/infiniband/ulp/ipoib/ipoib_main.c
index 1310acf6bf92..13e6e0431592 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_main.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_main.c
@@ -716,7 +716,7 @@ static int ipoib_start_xmit(struct sk_buff *skb, struct net_device *dev)
{
struct ipoib_dev_priv *priv = netdev_priv(dev);
struct ipoib_neigh *neigh;
- struct ipoib_cb *cb = (struct ipoib_cb *) skb->cb;
+ struct ipoib_cb *cb = ipoib_skb_cb(skb);
struct ipoib_header *header;
unsigned long flags;
@@ -813,7 +813,7 @@ static int ipoib_hard_header(struct sk_buff *skb,
const void *daddr, const void *saddr, unsigned len)
{
struct ipoib_header *header;
- struct ipoib_cb *cb = (struct ipoib_cb *) skb->cb;
+ struct ipoib_cb *cb = ipoib_skb_cb(skb);
header = (struct ipoib_header *) skb_push(skb, sizeof *header);
diff --git a/drivers/infiniband/ulp/isert/ib_isert.c b/drivers/infiniband/ulp/isert/ib_isert.c
index d4c7928a0f36..da8ff124762a 100644
--- a/drivers/infiniband/ulp/isert/ib_isert.c
+++ b/drivers/infiniband/ulp/isert/ib_isert.c
@@ -586,17 +586,12 @@ isert_connect_request(struct rdma_cm_id *cma_id, struct rdma_cm_event *event)
init_completion(&isert_conn->conn_wait);
init_completion(&isert_conn->conn_wait_comp_err);
kref_init(&isert_conn->conn_kref);
- kref_get(&isert_conn->conn_kref);
mutex_init(&isert_conn->conn_mutex);
spin_lock_init(&isert_conn->conn_lock);
INIT_LIST_HEAD(&isert_conn->conn_fr_pool);
cma_id->context = isert_conn;
isert_conn->conn_cm_id = cma_id;
- isert_conn->responder_resources = event->param.conn.responder_resources;
- isert_conn->initiator_depth = event->param.conn.initiator_depth;
- pr_debug("Using responder_resources: %u initiator_depth: %u\n",
- isert_conn->responder_resources, isert_conn->initiator_depth);
isert_conn->login_buf = kzalloc(ISCSI_DEF_MAX_RECV_SEG_LEN +
ISER_RX_LOGIN_SIZE, GFP_KERNEL);
@@ -643,6 +638,12 @@ isert_connect_request(struct rdma_cm_id *cma_id, struct rdma_cm_event *event)
goto out_rsp_dma_map;
}
+ /* Set max inflight RDMA READ requests */
+ isert_conn->initiator_depth = min_t(u8,
+ event->param.conn.initiator_depth,
+ device->dev_attr.max_qp_init_rd_atom);
+ pr_debug("Using initiator_depth: %u\n", isert_conn->initiator_depth);
+
isert_conn->conn_device = device;
isert_conn->conn_pd = ib_alloc_pd(isert_conn->conn_device->ib_device);
if (IS_ERR(isert_conn->conn_pd)) {
@@ -746,7 +747,9 @@ isert_connect_release(struct isert_conn *isert_conn)
static void
isert_connected_handler(struct rdma_cm_id *cma_id)
{
- return;
+ struct isert_conn *isert_conn = cma_id->context;
+
+ kref_get(&isert_conn->conn_kref);
}
static void
@@ -798,7 +801,6 @@ isert_disconnect_work(struct work_struct *work)
wake_up:
complete(&isert_conn->conn_wait);
- isert_put_conn(isert_conn);
}
static void
@@ -3067,7 +3069,6 @@ isert_rdma_accept(struct isert_conn *isert_conn)
int ret;
memset(&cp, 0, sizeof(struct rdma_conn_param));
- cp.responder_resources = isert_conn->responder_resources;
cp.initiator_depth = isert_conn->initiator_depth;
cp.retry_count = 7;
cp.rnr_retry_count = 7;
@@ -3215,7 +3216,7 @@ static void isert_wait_conn(struct iscsi_conn *conn)
pr_debug("isert_wait_conn: Starting \n");
mutex_lock(&isert_conn->conn_mutex);
- if (isert_conn->conn_cm_id) {
+ if (isert_conn->conn_cm_id && !isert_conn->disconnect) {
pr_debug("Calling rdma_disconnect from isert_wait_conn\n");
rdma_disconnect(isert_conn->conn_cm_id);
}
@@ -3234,6 +3235,7 @@ static void isert_wait_conn(struct iscsi_conn *conn)
wait_for_completion(&isert_conn->conn_wait_comp_err);
wait_for_completion(&isert_conn->conn_wait);
+ isert_put_conn(isert_conn);
}
static void isert_free_conn(struct iscsi_conn *conn)
generated by cgit v1.2.3 (git 2.25.1) at 2025-02-11 00:31:42 +0000