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path: root/drivers/net/ethernet/intel/ice/ice_base.c
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Diffstat (limited to 'drivers/net/ethernet/intel/ice/ice_base.c')
-rw-r--r--drivers/net/ethernet/intel/ice/ice_base.c36
1 files changed, 35 insertions, 1 deletions
diff --git a/drivers/net/ethernet/intel/ice/ice_base.c b/drivers/net/ethernet/intel/ice/ice_base.c
index c36057efc7ae..d7a5ac9346bc 100644
--- a/drivers/net/ethernet/intel/ice/ice_base.c
+++ b/drivers/net/ethernet/intel/ice/ice_base.c
@@ -218,6 +218,30 @@ static u16 ice_calc_q_handle(struct ice_vsi *vsi, struct ice_ring *ring, u8 tc)
}
/**
+ * 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 +304,9 @@ 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 +773,14 @@ 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);