diff options
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx4/resource_tracker.c')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/resource_tracker.c | 163 |
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; +} |