@@ -85,6 +85,7 @@
#define ICE_FDIR_MSIX 2
#define ICE_RDMA_NUM_AEQ_MSIX 4
#define ICE_MIN_RDMA_MSIX 2
+#define ICE_ESWITCH_MSIX 1
#define ICE_NO_VSI 0xffff
#define ICE_VSI_MAP_CONTIG 0
#define ICE_VSI_MAP_SCATTER 1
@@ -217,6 +217,31 @@ static u16 ice_calc_q_handle(struct ice_vsi *vsi, struct ice_ring *ring, u8 tc)
return ring->q_index - vsi->tc_cfg.tc_info[tc].qoffset;
}
+/**
+ * ice_eswitch_calc_q_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_q_handle(struct ice_ring *ring)
+{
+ 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
@@ -280,6 +305,9 @@ ice_setup_tx_ctx(struct ice_ring *ring, struct ice_tlan_ctx *tlan_ctx, u16 pf_q)
tlan_ctx->vmvf_num = hw->func_caps.vf_base_id + vsi->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;
}
@@ -746,7 +774,14 @@ ice_vsi_cfg_txq(struct ice_vsi *vsi, struct ice_ring *ring,
/* Add unique software queue handle of the Tx queue per
* TC into the VSI Tx ring
*/
- ring->q_handle = ice_calc_q_handle(vsi, ring, tc);
+ if (vsi->type == ICE_VSI_SWITCHDEV_CTRL) {
+ ring->q_handle = ice_eswitch_calc_q_handle(ring);
+
+ if (ring->q_handle == ICE_INVAL_Q_INDEX)
+ return -ENODEV;
+ } else {
+ ring->q_handle = ice_calc_q_handle(vsi, ring, tc);
+ }
status = ice_ena_vsi_txq(vsi->port_info, vsi->idx, tc, ring->q_handle,
1, qg_buf, buf_len, NULL);
@@ -260,7 +260,7 @@ ice_eswitch_release_env(struct ice_pf *pf)
static struct ice_vsi *
ice_eswitch_vsi_setup(struct ice_pf *pf, struct ice_port_info *pi)
{
- return NULL;
+ return ice_vsi_setup(pf, pi, ICE_VSI_SWITCHDEV_CTRL, ICE_INVAL_VFID);
}
/**
@@ -24,6 +24,8 @@ const char *ice_vsi_type_str(enum ice_vsi_type vsi_type)
return "ICE_VSI_CTRL";
case ICE_VSI_LB:
return "ICE_VSI_LB";
+ case ICE_VSI_SWITCHDEV_CTRL:
+ return "ICE_VSI_SWITCHDEV_CTRL";
default:
return "unknown";
}
@@ -132,6 +134,7 @@ static void ice_vsi_set_num_desc(struct ice_vsi *vsi)
{
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
@@ -200,6 +203,14 @@ static void ice_vsi_set_num_qs(struct ice_vsi *vsi, u16 vf_id)
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 VFs.
+ * Each ring is associated to the corresponding VF_PR netdev.
+ */
+ vsi->alloc_txq = pf->num_alloc_vfs;
+ vsi->alloc_rxq = pf->num_alloc_vfs;
+ vsi->num_q_vectors = 1;
+ break;
case ICE_VSI_VF:
vf = &pf->vf[vsi->vf_id];
if (vf->num_req_qs)
@@ -408,6 +419,21 @@ static irqreturn_t ice_msix_clean_rings(int __always_unused irq, void *data)
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;
+ int i;
+
+ if (!q_vector->tx.ring && !q_vector->rx.ring)
+ return IRQ_HANDLED;
+
+ ice_for_each_vf(pf, i)
+ napi_schedule(&pf->vf[i].repr->q_vector->napi);
+
+ return IRQ_HANDLED;
+}
+
/**
* ice_vsi_alloc - Allocates the next available struct VSI in the PF
* @pf: board private structure
@@ -448,6 +474,13 @@ ice_vsi_alloc(struct ice_pf *pf, enum ice_vsi_type vsi_type, u16 vf_id)
ice_vsi_set_num_qs(vsi, ICE_INVAL_VFID);
switch (vsi->type) {
+ case ICE_VSI_SWITCHDEV_CTRL:
+ if (ice_vsi_alloc_arrays(vsi))
+ goto err_rings;
+
+ /* Setup eswitch MSIX irq handler for VSI */
+ vsi->irq_handler = ice_eswitch_msix_clean_rings;
+ break;
case ICE_VSI_PF:
if (ice_vsi_alloc_arrays(vsi))
goto err_rings;
@@ -707,6 +740,12 @@ static void ice_vsi_set_rss_params(struct ice_vsi *vsi)
BIT(cap->rss_table_entry_width));
vsi->rss_lut_type = ICE_AQC_GSET_RSS_LUT_TABLE_TYPE_PF;
break;
+ case ICE_VSI_SWITCHDEV_CTRL:
+ vsi->rss_table_size = ICE_VSIQF_HLUT_ARRAY_SIZE;
+ vsi->rss_size = min_t(u16, num_online_cpus(),
+ BIT(cap->rss_table_entry_width));
+ vsi->rss_lut_type = ICE_AQC_GSET_RSS_LUT_TABLE_TYPE_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.
@@ -980,6 +1019,9 @@ static int ice_vsi_init(struct ice_vsi *vsi, bool init_vsi)
case ICE_VSI_PF:
ctxt->flags = ICE_AQ_VSI_TYPE_PF;
break;
+ case ICE_VSI_SWITCHDEV_CTRL:
+ ctxt->flags = ICE_AQ_VSI_TYPE_VMDQ2;
+ break;
case ICE_VSI_VF:
ctxt->flags = ICE_AQ_VSI_TYPE_VF;
/* VF number here is the absolute VF number (0-255) */
@@ -2294,6 +2336,7 @@ static void ice_set_agg_vsi(struct ice_vsi *vsi)
case ICE_VSI_CTRL:
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];
@@ -2445,6 +2488,7 @@ ice_vsi_setup(struct ice_pf *pf, struct ice_port_info *pi,
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)
@@ -2754,7 +2798,8 @@ void ice_dis_vsi(struct ice_vsi *vsi, bool locked)
} else {
ice_vsi_close(vsi);
}
- } else if (vsi->type == ICE_VSI_CTRL) {
+ } else if (vsi->type == ICE_VSI_CTRL ||
+ vsi->type == ICE_VSI_SWITCHDEV_CTRL) {
ice_vsi_close(vsi);
}
}
@@ -3133,6 +3178,7 @@ int ice_vsi_rebuild(struct ice_vsi *vsi, bool init_vsi)
switch (vtype) {
case ICE_VSI_CTRL:
+ case ICE_VSI_SWITCHDEV_CTRL:
case ICE_VSI_PF:
ret = ice_vsi_alloc_q_vectors(vsi);
if (ret)
@@ -3544,6 +3544,13 @@ static int ice_ena_msix_range(struct ice_pf *pf)
v_left -= needed;
}
+ /* reserve for switchdev */
+ needed = ICE_ESWITCH_MSIX;
+ if (v_left < needed)
+ goto no_hw_vecs_left_err;
+ v_budget += needed;
+ v_left -= needed;
+
/* total used for non-traffic vectors */
v_other = v_budget;
@@ -139,6 +139,7 @@ enum ice_vsi_type {
ICE_VSI_VF = 1,
ICE_VSI_CTRL = 3, /* equates to ICE_VSI_PF with 1 queue pair */
ICE_VSI_LB = 6,
+ ICE_VSI_SWITCHDEV_CTRL = 7,
};
struct ice_link_status {