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path: root/drivers/infiniband/hw/mlx4/main.c
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Diffstat (limited to 'drivers/infiniband/hw/mlx4/main.c')
-rw-r--r--drivers/infiniband/hw/mlx4/main.c150
1 files changed, 142 insertions, 8 deletions
diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband/hw/mlx4/main.c
index 2af44c2de262..b597e8227591 100644
--- a/drivers/infiniband/hw/mlx4/main.c
+++ b/drivers/infiniband/hw/mlx4/main.c
@@ -55,7 +55,7 @@
#include <linux/mlx4/qp.h>
#include "mlx4_ib.h"
-#include "user.h"
+#include <rdma/mlx4-abi.h>
#define DRV_NAME MLX4_IB_DRV_NAME
#define DRV_VERSION "2.2-1"
@@ -832,6 +832,66 @@ static int mlx4_ib_query_gid(struct ib_device *ibdev, u8 port, int index,
return ret;
}
+static int mlx4_ib_query_sl2vl(struct ib_device *ibdev, u8 port, u64 *sl2vl_tbl)
+{
+ union sl2vl_tbl_to_u64 sl2vl64;
+ struct ib_smp *in_mad = NULL;
+ struct ib_smp *out_mad = NULL;
+ int mad_ifc_flags = MLX4_MAD_IFC_IGNORE_KEYS;
+ int err = -ENOMEM;
+ int jj;
+
+ if (mlx4_is_slave(to_mdev(ibdev)->dev)) {
+ *sl2vl_tbl = 0;
+ return 0;
+ }
+
+ in_mad = kzalloc(sizeof(*in_mad), GFP_KERNEL);
+ out_mad = kmalloc(sizeof(*out_mad), GFP_KERNEL);
+ if (!in_mad || !out_mad)
+ goto out;
+
+ init_query_mad(in_mad);
+ in_mad->attr_id = IB_SMP_ATTR_SL_TO_VL_TABLE;
+ in_mad->attr_mod = 0;
+
+ if (mlx4_is_mfunc(to_mdev(ibdev)->dev))
+ mad_ifc_flags |= MLX4_MAD_IFC_NET_VIEW;
+
+ err = mlx4_MAD_IFC(to_mdev(ibdev), mad_ifc_flags, port, NULL, NULL,
+ in_mad, out_mad);
+ if (err)
+ goto out;
+
+ for (jj = 0; jj < 8; jj++)
+ sl2vl64.sl8[jj] = ((struct ib_smp *)out_mad)->data[jj];
+ *sl2vl_tbl = sl2vl64.sl64;
+
+out:
+ kfree(in_mad);
+ kfree(out_mad);
+ return err;
+}
+
+static void mlx4_init_sl2vl_tbl(struct mlx4_ib_dev *mdev)
+{
+ u64 sl2vl;
+ int i;
+ int err;
+
+ for (i = 1; i <= mdev->dev->caps.num_ports; i++) {
+ if (mdev->dev->caps.port_type[i] == MLX4_PORT_TYPE_ETH)
+ continue;
+ err = mlx4_ib_query_sl2vl(&mdev->ib_dev, i, &sl2vl);
+ if (err) {
+ pr_err("Unable to get default sl to vl mapping for port %d. Using all zeroes (%d)\n",
+ i, err);
+ sl2vl = 0;
+ }
+ atomic64_set(&mdev->sl2vl[i - 1], sl2vl);
+ }
+}
+
int __mlx4_ib_query_pkey(struct ib_device *ibdev, u8 port, u16 index,
u16 *pkey, int netw_view)
{
@@ -886,7 +946,7 @@ static int mlx4_ib_modify_device(struct ib_device *ibdev, int mask,
return -EOPNOTSUPP;
spin_lock_irqsave(&to_mdev(ibdev)->sm_lock, flags);
- memcpy(ibdev->node_desc, props->node_desc, 64);
+ memcpy(ibdev->node_desc, props->node_desc, IB_DEVICE_NODE_DESC_MAX);
spin_unlock_irqrestore(&to_mdev(ibdev)->sm_lock, flags);
/*
@@ -897,7 +957,7 @@ static int mlx4_ib_modify_device(struct ib_device *ibdev, int mask,
if (IS_ERR(mailbox))
return 0;
- memcpy(mailbox->buf, props->node_desc, 64);
+ memcpy(mailbox->buf, props->node_desc, IB_DEVICE_NODE_DESC_MAX);
mlx4_cmd(to_mdev(ibdev)->dev, mailbox->dma, 1, 0,
MLX4_CMD_SET_NODE, MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
@@ -1259,7 +1319,7 @@ static struct ib_xrcd *mlx4_ib_alloc_xrcd(struct ib_device *ibdev,
if (err)
goto err1;
- xrcd->pd = ib_alloc_pd(ibdev);
+ xrcd->pd = ib_alloc_pd(ibdev, 0);
if (IS_ERR(xrcd->pd)) {
err = PTR_ERR(xrcd->pd);
goto err2;
@@ -1361,6 +1421,19 @@ struct mlx4_ib_steering {
union ib_gid gid;
};
+#define LAST_ETH_FIELD vlan_tag
+#define LAST_IB_FIELD sl
+#define LAST_IPV4_FIELD dst_ip
+#define LAST_TCP_UDP_FIELD src_port
+
+/* Field is the last supported field */
+#define FIELDS_NOT_SUPPORTED(filter, field)\
+ memchr_inv((void *)&filter.field +\
+ sizeof(filter.field), 0,\
+ sizeof(filter) -\
+ offsetof(typeof(filter), field) -\
+ sizeof(filter.field))
+
static int parse_flow_attr(struct mlx4_dev *dev,
u32 qp_num,
union ib_flow_spec *ib_spec,
@@ -1370,6 +1443,9 @@ static int parse_flow_attr(struct mlx4_dev *dev,
switch (ib_spec->type) {
case IB_FLOW_SPEC_ETH:
+ if (FIELDS_NOT_SUPPORTED(ib_spec->eth.mask, LAST_ETH_FIELD))
+ return -ENOTSUPP;
+
type = MLX4_NET_TRANS_RULE_ID_ETH;
memcpy(mlx4_spec->eth.dst_mac, ib_spec->eth.val.dst_mac,
ETH_ALEN);
@@ -1379,6 +1455,9 @@ static int parse_flow_attr(struct mlx4_dev *dev,
mlx4_spec->eth.vlan_tag_msk = ib_spec->eth.mask.vlan_tag;
break;
case IB_FLOW_SPEC_IB:
+ if (FIELDS_NOT_SUPPORTED(ib_spec->ib.mask, LAST_IB_FIELD))
+ return -ENOTSUPP;
+
type = MLX4_NET_TRANS_RULE_ID_IB;
mlx4_spec->ib.l3_qpn =
cpu_to_be32(qp_num);
@@ -1388,6 +1467,9 @@ static int parse_flow_attr(struct mlx4_dev *dev,
case IB_FLOW_SPEC_IPV4:
+ if (FIELDS_NOT_SUPPORTED(ib_spec->ipv4.mask, LAST_IPV4_FIELD))
+ return -ENOTSUPP;
+
type = MLX4_NET_TRANS_RULE_ID_IPV4;
mlx4_spec->ipv4.src_ip = ib_spec->ipv4.val.src_ip;
mlx4_spec->ipv4.src_ip_msk = ib_spec->ipv4.mask.src_ip;
@@ -1397,6 +1479,9 @@ static int parse_flow_attr(struct mlx4_dev *dev,
case IB_FLOW_SPEC_TCP:
case IB_FLOW_SPEC_UDP:
+ if (FIELDS_NOT_SUPPORTED(ib_spec->tcp_udp.mask, LAST_TCP_UDP_FIELD))
+ return -ENOTSUPP;
+
type = ib_spec->type == IB_FLOW_SPEC_TCP ?
MLX4_NET_TRANS_RULE_ID_TCP :
MLX4_NET_TRANS_RULE_ID_UDP;
@@ -2000,7 +2085,7 @@ static int init_node_data(struct mlx4_ib_dev *dev)
if (err)
goto out;
- memcpy(dev->ib_dev.node_desc, out_mad->data, 64);
+ memcpy(dev->ib_dev.node_desc, out_mad->data, IB_DEVICE_NODE_DESC_MAX);
in_mad->attr_id = IB_SMP_ATTR_NODE_INFO;
@@ -2202,6 +2287,9 @@ static int mlx4_ib_alloc_diag_counters(struct mlx4_ib_dev *ibdev)
bool per_port = !!(ibdev->dev->caps.flags2 &
MLX4_DEV_CAP_FLAG2_DIAG_PER_PORT);
+ if (mlx4_is_slave(ibdev->dev))
+ return 0;
+
for (i = 0; i < MLX4_DIAG_COUNTERS_TYPES; i++) {
/* i == 1 means we are building port counters */
if (i && !per_port)
@@ -2650,6 +2738,7 @@ static void *mlx4_ib_add(struct mlx4_dev *dev)
if (init_node_data(ibdev))
goto err_map;
+ mlx4_init_sl2vl_tbl(ibdev);
for (i = 0; i < ibdev->num_ports; ++i) {
mutex_init(&ibdev->counters_table[i].mutex);
@@ -3098,6 +3187,47 @@ static void handle_bonded_port_state_event(struct work_struct *work)
ib_dispatch_event(&ibev);
}
+void mlx4_ib_sl2vl_update(struct mlx4_ib_dev *mdev, int port)
+{
+ u64 sl2vl;
+ int err;
+
+ err = mlx4_ib_query_sl2vl(&mdev->ib_dev, port, &sl2vl);
+ if (err) {
+ pr_err("Unable to get current sl to vl mapping for port %d. Using all zeroes (%d)\n",
+ port, err);
+ sl2vl = 0;
+ }
+ atomic64_set(&mdev->sl2vl[port - 1], sl2vl);
+}
+
+static void ib_sl2vl_update_work(struct work_struct *work)
+{
+ struct ib_event_work *ew = container_of(work, struct ib_event_work, work);
+ struct mlx4_ib_dev *mdev = ew->ib_dev;
+ int port = ew->port;
+
+ mlx4_ib_sl2vl_update(mdev, port);
+
+ kfree(ew);
+}
+
+void mlx4_sched_ib_sl2vl_update_work(struct mlx4_ib_dev *ibdev,
+ int port)
+{
+ struct ib_event_work *ew;
+
+ ew = kmalloc(sizeof(*ew), GFP_ATOMIC);
+ if (ew) {
+ INIT_WORK(&ew->work, ib_sl2vl_update_work);
+ ew->port = port;
+ ew->ib_dev = ibdev;
+ queue_work(wq, &ew->work);
+ } else {
+ pr_err("failed to allocate memory for sl2vl update work\n");
+ }
+}
+
static void mlx4_ib_event(struct mlx4_dev *dev, void *ibdev_ptr,
enum mlx4_dev_event event, unsigned long param)
{
@@ -3128,10 +3258,14 @@ static void mlx4_ib_event(struct mlx4_dev *dev, void *ibdev_ptr,
case MLX4_DEV_EVENT_PORT_UP:
if (p > ibdev->num_ports)
return;
- if (mlx4_is_master(dev) &&
+ if (!mlx4_is_slave(dev) &&
rdma_port_get_link_layer(&ibdev->ib_dev, p) ==
IB_LINK_LAYER_INFINIBAND) {
- mlx4_ib_invalidate_all_guid_record(ibdev, p);
+ if (mlx4_is_master(dev))
+ mlx4_ib_invalidate_all_guid_record(ibdev, p);
+ if (ibdev->dev->flags & MLX4_FLAG_SECURE_HOST &&
+ !(ibdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_SL_TO_VL_CHANGE_EVENT))
+ mlx4_sched_ib_sl2vl_update_work(ibdev, p);
}
ibev.event = IB_EVENT_PORT_ACTIVE;
break;
@@ -3219,7 +3353,7 @@ static int __init mlx4_ib_init(void)
{
int err;
- wq = create_singlethread_workqueue("mlx4_ib");
+ wq = alloc_ordered_workqueue("mlx4_ib", WQ_MEM_RECLAIM);
if (!wq)
return -ENOMEM;
generated by cgit v1.2.3 (git 2.39.1) at 2025-02-02 17:27:18 +0100