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path: root/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c
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Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx4/resource_tracker.c')
-rw-r--r--drivers/net/ethernet/mellanox/mlx4/resource_tracker.c163
1 files changed, 158 insertions, 5 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c b/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c
index 1157f028a90f..f984a89c27df 100644
--- a/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c
+++ b/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c
@@ -101,6 +101,8 @@ struct res_qp {
spinlock_t mcg_spl;
int local_qpn;
atomic_t ref_count;
+ u32 qpc_flags;
+ u8 sched_queue;
};
enum res_mtt_states {
@@ -355,7 +357,7 @@ static void update_gid(struct mlx4_dev *dev, struct mlx4_cmd_mailbox *inbox,
static int update_vport_qp_param(struct mlx4_dev *dev,
struct mlx4_cmd_mailbox *inbox,
- u8 slave)
+ u8 slave, u32 qpn)
{
struct mlx4_qp_context *qpc = inbox->buf + 8;
struct mlx4_vport_oper_state *vp_oper;
@@ -369,12 +371,30 @@ static int update_vport_qp_param(struct mlx4_dev *dev,
if (MLX4_VGT != vp_oper->state.default_vlan) {
qp_type = (be32_to_cpu(qpc->flags) >> 16) & 0xff;
- if (MLX4_QP_ST_RC == qp_type)
+ if (MLX4_QP_ST_RC == qp_type ||
+ (MLX4_QP_ST_UD == qp_type &&
+ !mlx4_is_qp_reserved(dev, qpn)))
return -EINVAL;
+ /* the reserved QPs (special, proxy, tunnel)
+ * do not operate over vlans
+ */
+ if (mlx4_is_qp_reserved(dev, qpn))
+ return 0;
+
/* force strip vlan by clear vsd */
qpc->param3 &= ~cpu_to_be32(MLX4_STRIP_VLAN);
- if (0 != vp_oper->state.default_vlan) {
+
+ if (vp_oper->state.link_state == IFLA_VF_LINK_STATE_DISABLE &&
+ dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_UPDATE_QP) {
+ qpc->pri_path.vlan_control =
+ MLX4_VLAN_CTRL_ETH_TX_BLOCK_TAGGED |
+ MLX4_VLAN_CTRL_ETH_TX_BLOCK_PRIO_TAGGED |
+ MLX4_VLAN_CTRL_ETH_TX_BLOCK_UNTAGGED |
+ MLX4_VLAN_CTRL_ETH_RX_BLOCK_PRIO_TAGGED |
+ MLX4_VLAN_CTRL_ETH_RX_BLOCK_UNTAGGED |
+ MLX4_VLAN_CTRL_ETH_RX_BLOCK_TAGGED;
+ } else if (0 != vp_oper->state.default_vlan) {
qpc->pri_path.vlan_control =
MLX4_VLAN_CTRL_ETH_TX_BLOCK_TAGGED |
MLX4_VLAN_CTRL_ETH_RX_BLOCK_PRIO_TAGGED |
@@ -2114,6 +2134,8 @@ int mlx4_RST2INIT_QP_wrapper(struct mlx4_dev *dev, int slave,
if (err)
return err;
qp->local_qpn = local_qpn;
+ qp->sched_queue = 0;
+ qp->qpc_flags = be32_to_cpu(qpc->flags);
err = get_res(dev, slave, mtt_base, RES_MTT, &mtt);
if (err)
@@ -2836,6 +2858,9 @@ int mlx4_INIT2RTR_QP_wrapper(struct mlx4_dev *dev, int slave,
{
int err;
struct mlx4_qp_context *qpc = inbox->buf + 8;
+ int qpn = vhcr->in_modifier & 0x7fffff;
+ struct res_qp *qp;
+ u8 orig_sched_queue;
err = verify_qp_parameters(dev, inbox, QP_TRANS_INIT2RTR, slave);
if (err)
@@ -2844,11 +2869,30 @@ int mlx4_INIT2RTR_QP_wrapper(struct mlx4_dev *dev, int slave,
update_pkey_index(dev, slave, inbox);
update_gid(dev, inbox, (u8)slave);
adjust_proxy_tun_qkey(dev, vhcr, qpc);
- err = update_vport_qp_param(dev, inbox, slave);
+ orig_sched_queue = qpc->pri_path.sched_queue;
+ err = update_vport_qp_param(dev, inbox, slave, qpn);
if (err)
return err;
- return mlx4_GEN_QP_wrapper(dev, slave, vhcr, inbox, outbox, cmd);
+ err = get_res(dev, slave, qpn, RES_QP, &qp);
+ if (err)
+ return err;
+ if (qp->com.from_state != RES_QP_HW) {
+ err = -EBUSY;
+ goto out;
+ }
+
+ err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd);
+out:
+ /* if no error, save sched queue value passed in by VF. This is
+ * essentially the QOS value provided by the VF. This will be useful
+ * if we allow dynamic changes from VST back to VGT
+ */
+ if (!err)
+ qp->sched_queue = orig_sched_queue;
+
+ put_res(dev, slave, qpn, RES_QP);
+ return err;
}
int mlx4_RTR2RTS_QP_wrapper(struct mlx4_dev *dev, int slave,
@@ -3932,3 +3976,112 @@ void mlx4_delete_all_resources_for_slave(struct mlx4_dev *dev, int slave)
rem_slave_xrcdns(dev, slave);
mutex_unlock(&priv->mfunc.master.res_tracker.slave_list[slave].mutex);
}
+
+void mlx4_vf_immed_vlan_work_handler(struct work_struct *_work)
+{
+ struct mlx4_vf_immed_vlan_work *work =
+ container_of(_work, struct mlx4_vf_immed_vlan_work, work);
+ struct mlx4_cmd_mailbox *mailbox;
+ struct mlx4_update_qp_context *upd_context;
+ struct mlx4_dev *dev = &work->priv->dev;
+ struct mlx4_resource_tracker *tracker =
+ &work->priv->mfunc.master.res_tracker;
+ struct list_head *qp_list =
+ &tracker->slave_list[work->slave].res_list[RES_QP];
+ struct res_qp *qp;
+ struct res_qp *tmp;
+ u64 qp_mask = ((1ULL << MLX4_UPD_QP_PATH_MASK_ETH_TX_BLOCK_UNTAGGED) |
+ (1ULL << MLX4_UPD_QP_PATH_MASK_ETH_TX_BLOCK_1P) |
+ (1ULL << MLX4_UPD_QP_PATH_MASK_ETH_TX_BLOCK_TAGGED) |
+ (1ULL << MLX4_UPD_QP_PATH_MASK_ETH_RX_BLOCK_UNTAGGED) |
+ (1ULL << MLX4_UPD_QP_PATH_MASK_ETH_RX_BLOCK_1P) |
+ (1ULL << MLX4_UPD_QP_PATH_MASK_ETH_RX_BLOCK_TAGGED) |
+ (1ULL << MLX4_UPD_QP_PATH_MASK_VLAN_INDEX) |
+ (1ULL << MLX4_UPD_QP_PATH_MASK_SCHED_QUEUE));
+
+ int err;
+ int port, errors = 0;
+ u8 vlan_control;
+
+ if (mlx4_is_slave(dev)) {
+ mlx4_warn(dev, "Trying to update-qp in slave %d\n",
+ work->slave);
+ goto out;
+ }
+
+ mailbox = mlx4_alloc_cmd_mailbox(dev);
+ if (IS_ERR(mailbox))
+ goto out;
+ if (work->flags & MLX4_VF_IMMED_VLAN_FLAG_LINK_DISABLE) /* block all */
+ vlan_control = MLX4_VLAN_CTRL_ETH_TX_BLOCK_TAGGED |
+ MLX4_VLAN_CTRL_ETH_TX_BLOCK_PRIO_TAGGED |
+ MLX4_VLAN_CTRL_ETH_TX_BLOCK_UNTAGGED |
+ MLX4_VLAN_CTRL_ETH_RX_BLOCK_PRIO_TAGGED |
+ MLX4_VLAN_CTRL_ETH_RX_BLOCK_UNTAGGED |
+ MLX4_VLAN_CTRL_ETH_RX_BLOCK_TAGGED;
+ else if (!work->vlan_id)
+ vlan_control = MLX4_VLAN_CTRL_ETH_TX_BLOCK_TAGGED |
+ MLX4_VLAN_CTRL_ETH_RX_BLOCK_TAGGED;
+ else
+ vlan_control = MLX4_VLAN_CTRL_ETH_TX_BLOCK_TAGGED |
+ MLX4_VLAN_CTRL_ETH_RX_BLOCK_PRIO_TAGGED |
+ MLX4_VLAN_CTRL_ETH_RX_BLOCK_UNTAGGED;
+
+ upd_context = mailbox->buf;
+ upd_context->primary_addr_path_mask = cpu_to_be64(qp_mask);
+ upd_context->qp_context.pri_path.vlan_control = vlan_control;
+ upd_context->qp_context.pri_path.vlan_index = work->vlan_ix;
+
+ spin_lock_irq(mlx4_tlock(dev));
+ list_for_each_entry_safe(qp, tmp, qp_list, com.list) {
+ spin_unlock_irq(mlx4_tlock(dev));
+ if (qp->com.owner == work->slave) {
+ if (qp->com.from_state != RES_QP_HW ||
+ !qp->sched_queue || /* no INIT2RTR trans yet */
+ mlx4_is_qp_reserved(dev, qp->local_qpn) ||
+ qp->qpc_flags & (1 << MLX4_RSS_QPC_FLAG_OFFSET)) {
+ spin_lock_irq(mlx4_tlock(dev));
+ continue;
+ }
+ port = (qp->sched_queue >> 6 & 1) + 1;
+ if (port != work->port) {
+ spin_lock_irq(mlx4_tlock(dev));
+ continue;
+ }
+ upd_context->qp_context.pri_path.sched_queue =
+ qp->sched_queue & 0xC7;
+ upd_context->qp_context.pri_path.sched_queue |=
+ ((work->qos & 0x7) << 3);
+
+ err = mlx4_cmd(dev, mailbox->dma,
+ qp->local_qpn & 0xffffff,
+ 0, MLX4_CMD_UPDATE_QP,
+ MLX4_CMD_TIME_CLASS_C, MLX4_CMD_NATIVE);
+ if (err) {
+ mlx4_info(dev, "UPDATE_QP failed for slave %d, "
+ "port %d, qpn %d (%d)\n",
+ work->slave, port, qp->local_qpn,
+ err);
+ errors++;
+ }
+ }
+ spin_lock_irq(mlx4_tlock(dev));
+ }
+ spin_unlock_irq(mlx4_tlock(dev));
+ mlx4_free_cmd_mailbox(dev, mailbox);
+
+ if (errors)
+ mlx4_err(dev, "%d UPDATE_QP failures for slave %d, port %d\n",
+ errors, work->slave, work->port);
+
+ /* unregister previous vlan_id if needed and we had no errors
+ * while updating the QPs
+ */
+ if (work->flags & MLX4_VF_IMMED_VLAN_FLAG_VLAN && !errors &&
+ NO_INDX != work->orig_vlan_ix)
+ __mlx4_unregister_vlan(&work->priv->dev, work->port,
+ work->orig_vlan_ix);
+out:
+ kfree(work);
+ return;
+}
generated by cgit (git 2.34.1) at 2024-05-28 10:38:04 +0000