return ring->q_index - vsi->tc_cfg.tc_info[tc].qoffset;
}
-/**
- * ice_eswitch_calc_txq_handle
- * @ring: pointer to ring which unique index is needed
- *
- * To correctly work with many netdevs ring->q_index of Tx rings on switchdev
- * VSI can repeat. Hardware ring setup requires unique q_index. Calculate it
- * here by finding index in vsi->tx_rings of this ring.
- *
- * Return ICE_INVAL_Q_INDEX when index wasn't found. Should never happen,
- * because VSI is get from ring->vsi, so it has to be present in this VSI.
- */
-static u16 ice_eswitch_calc_txq_handle(struct ice_tx_ring *ring)
-{
- const struct ice_vsi *vsi = ring->vsi;
- int i;
-
- ice_for_each_txq(vsi, i) {
- if (vsi->tx_rings[i] == ring)
- return i;
- }
-
- return ICE_INVAL_Q_INDEX;
-}
-
/**
* ice_cfg_xps_tx_ring - Configure XPS for a Tx ring
* @ring: The Tx ring to configure
tlan_ctx->vmvf_num = hw->func_caps.vf_base_id + vsi->vf->vf_id;
tlan_ctx->vmvf_type = ICE_TLAN_CTX_VMVF_TYPE_VF;
break;
- case ICE_VSI_SWITCHDEV_CTRL:
- tlan_ctx->vmvf_type = ICE_TLAN_CTX_VMVF_TYPE_VMQ;
- break;
default:
return;
}
/* Add unique software queue handle of the Tx queue per
* TC into the VSI Tx ring
*/
- if (vsi->type == ICE_VSI_SWITCHDEV_CTRL) {
- ring->q_handle = ice_eswitch_calc_txq_handle(ring);
-
- if (ring->q_handle == ICE_INVAL_Q_INDEX)
- return -ENODEV;
- } else {
- ring->q_handle = ice_calc_txq_handle(vsi, ring, tc);
- }
+ ring->q_handle = ice_calc_txq_handle(vsi, ring, tc);
if (ch)
status = ice_ena_vsi_txq(vsi->port_info, ch->ch_vsi->idx, 0,
static int ice_eswitch_setup_env(struct ice_pf *pf)
{
struct ice_vsi *uplink_vsi = pf->eswitch.uplink_vsi;
- struct ice_vsi *ctrl_vsi = pf->eswitch.control_vsi;
struct net_device *netdev = uplink_vsi->netdev;
struct ice_vsi_vlan_ops *vlan_ops;
if (ice_vsi_update_security(uplink_vsi, ice_vsi_ctx_set_allow_override))
goto err_override_uplink;
- if (ice_vsi_update_security(ctrl_vsi, ice_vsi_ctx_set_allow_override))
- goto err_override_control;
-
if (ice_vsi_update_local_lb(uplink_vsi, true))
goto err_override_local_lb;
return 0;
err_override_local_lb:
- ice_vsi_update_security(ctrl_vsi, ice_vsi_ctx_clear_allow_override);
-err_override_control:
ice_vsi_update_security(uplink_vsi, ice_vsi_ctx_clear_allow_override);
err_override_uplink:
vlan_ops->ena_rx_filtering(uplink_vsi);
return -ENODEV;
}
-/**
- * ice_eswitch_remap_rings_to_vectors - reconfigure rings of eswitch ctrl VSI
- * @eswitch: pointer to eswitch struct
- *
- * In eswitch number of allocated Tx/Rx rings is equal.
- *
- * This function fills q_vectors structures associated with representor and
- * move each ring pairs to port representor netdevs. Each port representor
- * will have dedicated 1 Tx/Rx ring pair, so number of rings pair is equal to
- * number of VFs.
- */
-static void ice_eswitch_remap_rings_to_vectors(struct ice_eswitch *eswitch)
-{
- struct ice_vsi *vsi = eswitch->control_vsi;
- unsigned long repr_id = 0;
- int q_id;
-
- ice_for_each_txq(vsi, q_id) {
- struct ice_q_vector *q_vector;
- struct ice_tx_ring *tx_ring;
- struct ice_rx_ring *rx_ring;
- struct ice_repr *repr;
-
- repr = xa_find(&eswitch->reprs, &repr_id, U32_MAX,
- XA_PRESENT);
- if (!repr)
- break;
-
- repr_id += 1;
- repr->q_id = q_id;
- q_vector = repr->q_vector;
- tx_ring = vsi->tx_rings[q_id];
- rx_ring = vsi->rx_rings[q_id];
-
- q_vector->vsi = vsi;
- q_vector->reg_idx = vsi->q_vectors[0]->reg_idx;
-
- q_vector->num_ring_tx = 1;
- q_vector->tx.tx_ring = tx_ring;
- tx_ring->q_vector = q_vector;
- tx_ring->next = NULL;
- tx_ring->netdev = repr->netdev;
- /* In switchdev mode, from OS stack perspective, there is only
- * one queue for given netdev, so it needs to be indexed as 0.
- */
- tx_ring->q_index = 0;
-
- q_vector->num_ring_rx = 1;
- q_vector->rx.rx_ring = rx_ring;
- rx_ring->q_vector = q_vector;
- rx_ring->next = NULL;
- rx_ring->netdev = repr->netdev;
- }
-}
-
/**
* ice_eswitch_release_repr - clear PR VSI configuration
* @pf: poiner to PF struct
repr->dst = NULL;
ice_fltr_add_mac_and_broadcast(vsi, repr->parent_mac,
ICE_FWD_TO_VSI);
-
- netif_napi_del(&repr->q_vector->napi);
}
/**
if (ice_vsi_add_vlan_zero(vsi))
goto err_update_security;
- netif_napi_add(repr->netdev, &repr->q_vector->napi,
- ice_napi_poll);
-
netif_keep_dst(uplink_vsi->netdev);
dst = repr->dst;
static void ice_eswitch_release_env(struct ice_pf *pf)
{
struct ice_vsi *uplink_vsi = pf->eswitch.uplink_vsi;
- struct ice_vsi *ctrl_vsi = pf->eswitch.control_vsi;
struct ice_vsi_vlan_ops *vlan_ops;
vlan_ops = ice_get_compat_vsi_vlan_ops(uplink_vsi);
ice_vsi_update_local_lb(uplink_vsi, false);
- ice_vsi_update_security(ctrl_vsi, ice_vsi_ctx_clear_allow_override);
ice_vsi_update_security(uplink_vsi, ice_vsi_ctx_clear_allow_override);
vlan_ops->ena_rx_filtering(uplink_vsi);
ice_clear_dflt_vsi(uplink_vsi);
ICE_FWD_TO_VSI);
}
-/**
- * ice_eswitch_vsi_setup - configure eswitch control VSI
- * @pf: pointer to PF structure
- * @pi: pointer to port_info structure
- */
-static struct ice_vsi *
-ice_eswitch_vsi_setup(struct ice_pf *pf, struct ice_port_info *pi)
-{
- struct ice_vsi_cfg_params params = {};
-
- params.type = ICE_VSI_SWITCHDEV_CTRL;
- params.pi = pi;
- params.flags = ICE_VSI_FLAG_INIT;
-
- return ice_vsi_setup(pf, ¶ms);
-}
-
-/**
- * ice_eswitch_napi_enable - enable NAPI for all port representors
- * @reprs: xarray of reprs
- */
-static void ice_eswitch_napi_enable(struct xarray *reprs)
-{
- struct ice_repr *repr;
- unsigned long id;
-
- xa_for_each(reprs, id, repr)
- napi_enable(&repr->q_vector->napi);
-}
-
-/**
- * ice_eswitch_napi_disable - disable NAPI for all port representors
- * @reprs: xarray of reprs
- */
-static void ice_eswitch_napi_disable(struct xarray *reprs)
-{
- struct ice_repr *repr;
- unsigned long id;
-
- xa_for_each(reprs, id, repr)
- napi_disable(&repr->q_vector->napi);
-}
-
/**
* ice_eswitch_enable_switchdev - configure eswitch in switchdev mode
* @pf: pointer to PF structure
*/
static int ice_eswitch_enable_switchdev(struct ice_pf *pf)
{
- struct ice_vsi *ctrl_vsi, *uplink_vsi;
+ struct ice_vsi *uplink_vsi;
uplink_vsi = ice_get_main_vsi(pf);
if (!uplink_vsi)
return -EINVAL;
}
- pf->eswitch.control_vsi = ice_eswitch_vsi_setup(pf, pf->hw.port_info);
- if (!pf->eswitch.control_vsi)
- return -ENODEV;
-
- ctrl_vsi = pf->eswitch.control_vsi;
pf->eswitch.uplink_vsi = uplink_vsi;
if (ice_eswitch_setup_env(pf))
- goto err_vsi;
+ return -ENODEV;
if (ice_eswitch_br_offloads_init(pf))
goto err_br_offloads;
err_br_offloads:
ice_eswitch_release_env(pf);
-err_vsi:
- ice_vsi_release(ctrl_vsi);
return -ENODEV;
}
*/
static void ice_eswitch_disable_switchdev(struct ice_pf *pf)
{
- struct ice_vsi *ctrl_vsi = pf->eswitch.control_vsi;
-
ice_eswitch_br_offloads_deinit(pf);
ice_eswitch_release_env(pf);
- ice_vsi_release(ctrl_vsi);
pf->eswitch.is_running = false;
}
static void ice_eswitch_stop_reprs(struct ice_pf *pf)
{
ice_eswitch_stop_all_tx_queues(pf);
- ice_eswitch_napi_disable(&pf->eswitch.reprs);
}
static void ice_eswitch_start_reprs(struct ice_pf *pf)
{
- ice_eswitch_napi_enable(&pf->eswitch.reprs);
ice_eswitch_start_all_tx_queues(pf);
}
-static void
-ice_eswitch_cp_change_queues(struct ice_eswitch *eswitch, int change)
-{
- struct ice_vsi *cp = eswitch->control_vsi;
- int queues = 0;
-
- if (queues) {
- cp->req_txq = queues;
- cp->req_rxq = queues;
- ice_vsi_close(cp);
- ice_vsi_rebuild(cp, ICE_VSI_FLAG_NO_INIT);
- ice_vsi_open(cp);
- } else if (!change) {
- /* change == 0 means that VSI wasn't open, open it here */
- ice_vsi_open(cp);
- }
-
- ice_eswitch_remap_rings_to_vectors(eswitch);
-}
-
int
ice_eswitch_attach(struct ice_pf *pf, struct ice_vf *vf)
{
struct ice_repr *repr;
- int change = 1;
int err;
if (pf->eswitch_mode == DEVLINK_ESWITCH_MODE_LEGACY)
err = ice_eswitch_enable_switchdev(pf);
if (err)
return err;
- change = 0;
}
ice_eswitch_stop_reprs(pf);
vf->repr_id = repr->id;
- ice_eswitch_cp_change_queues(&pf->eswitch, change);
ice_eswitch_start_reprs(pf);
return 0;
if (xa_empty(&pf->eswitch.reprs))
ice_eswitch_disable_switchdev(pf);
- else
- ice_eswitch_cp_change_queues(&pf->eswitch, -1);
ice_eswitch_release_repr(pf, repr);
ice_repr_rem_vf(repr);
* ice_eswitch_rebuild - rebuild eswitch
* @pf: pointer to PF structure
*/
-int ice_eswitch_rebuild(struct ice_pf *pf)
+void ice_eswitch_rebuild(struct ice_pf *pf)
{
struct ice_repr *repr;
unsigned long id;
- int err;
if (!ice_is_switchdev_running(pf))
- return 0;
-
- err = ice_vsi_rebuild(pf->eswitch.control_vsi, ICE_VSI_FLAG_INIT);
- if (err)
- return err;
+ return;
xa_for_each(&pf->eswitch.reprs, id, repr)
ice_eswitch_detach(pf, repr->vf);
-
- return 0;
}
return "ICE_VSI_CHNL";
case ICE_VSI_LB:
return "ICE_VSI_LB";
- case ICE_VSI_SWITCHDEV_CTRL:
- return "ICE_VSI_SWITCHDEV_CTRL";
default:
return "unknown";
}
{
switch (vsi->type) {
case ICE_VSI_PF:
- case ICE_VSI_SWITCHDEV_CTRL:
case ICE_VSI_CTRL:
case ICE_VSI_LB:
/* a user could change the values of num_[tr]x_desc using
max_t(int, vsi->alloc_rxq,
vsi->alloc_txq));
break;
- case ICE_VSI_SWITCHDEV_CTRL:
- /* The number of queues for ctrl VSI is equal to number of PRs
- * Each ring is associated to the corresponding VF_PR netdev.
- * Tx and Rx rings are always equal
- */
- if (vsi->req_txq && vsi->req_rxq) {
- vsi->alloc_txq = vsi->req_txq;
- vsi->alloc_rxq = vsi->req_rxq;
- } else {
- vsi->alloc_txq = 1;
- vsi->alloc_rxq = 1;
- }
-
- vsi->num_q_vectors = 1;
- break;
case ICE_VSI_VF:
if (vf->num_req_qs)
vf->num_vf_qs = vf->num_req_qs;
return IRQ_HANDLED;
}
-static irqreturn_t ice_eswitch_msix_clean_rings(int __always_unused irq, void *data)
-{
- struct ice_q_vector *q_vector = (struct ice_q_vector *)data;
- struct ice_pf *pf = q_vector->vsi->back;
- struct ice_repr *repr;
- unsigned long id;
-
- if (!q_vector->tx.tx_ring && !q_vector->rx.rx_ring)
- return IRQ_HANDLED;
-
- xa_for_each(&pf->eswitch.reprs, id, repr)
- napi_schedule(&repr->q_vector->napi);
-
- return IRQ_HANDLED;
-}
-
/**
* ice_vsi_alloc_stat_arrays - Allocate statistics arrays
* @vsi: VSI pointer
}
switch (vsi->type) {
- case ICE_VSI_SWITCHDEV_CTRL:
- /* Setup eswitch MSIX irq handler for VSI */
- vsi->irq_handler = ice_eswitch_msix_clean_rings;
- break;
case ICE_VSI_PF:
/* Setup default MSIX irq handler for VSI */
vsi->irq_handler = ice_msix_clean_rings;
max_rss_size);
vsi->rss_lut_type = ICE_LUT_PF;
break;
- case ICE_VSI_SWITCHDEV_CTRL:
- vsi->rss_table_size = ICE_LUT_VSI_SIZE;
- vsi->rss_size = min_t(u16, num_online_cpus(), max_rss_size);
- vsi->rss_lut_type = ICE_LUT_VSI;
- break;
case ICE_VSI_VF:
/* VF VSI will get a small RSS table.
* For VSI_LUT, LUT size should be set to 64 bytes.
case ICE_VSI_PF:
ctxt->flags = ICE_AQ_VSI_TYPE_PF;
break;
- case ICE_VSI_SWITCHDEV_CTRL:
case ICE_VSI_CHNL:
ctxt->flags = ICE_AQ_VSI_TYPE_VMDQ2;
break;
case ICE_VSI_CHNL:
case ICE_VSI_LB:
case ICE_VSI_PF:
- case ICE_VSI_SWITCHDEV_CTRL:
max_agg_nodes = ICE_MAX_PF_AGG_NODES;
agg_node_id_start = ICE_PF_AGG_NODE_ID_START;
agg_node_iter = &pf->pf_agg_node[0];
switch (vsi->type) {
case ICE_VSI_CTRL:
- case ICE_VSI_SWITCHDEV_CTRL:
case ICE_VSI_PF:
ret = ice_vsi_alloc_q_vectors(vsi);
if (ret)
} else {
ice_vsi_close(vsi);
}
- } else if (vsi->type == ICE_VSI_CTRL ||
- vsi->type == ICE_VSI_SWITCHDEV_CTRL) {
+ } else if (vsi->type == ICE_VSI_CTRL) {
ice_vsi_close(vsi);
}
}
projects / linux.git / commitdiff