@ -3166,7 +3166,7 @@ Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
err = dpni_enable(priv->mc_io, 0, priv->mc_token);
if (err < 0) {
netdev_err(net_dev, "dpni_enable() failed\n");
@@ -1047, 51 +1355,20 @@ static int dpaa2_eth_open(struct net_dev
@@ -1047, 48 +1355,17 @@ static int dpaa2_eth_open(struct net_dev
link_state_err:
enable_err:
@ -3181,8 +3181,7 @@ Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
- */
-static u32 drain_channel(struct dpaa2_eth_priv *priv,
- struct dpaa2_eth_channel *ch)
+static int dpaa2_eth_stop(struct net_device *net_dev)
{
-{
- u32 drained = 0, total = 0;
-
- do {
@ -3193,11 +3192,7 @@ Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
-
- return total;
-}
+ struct dpaa2_eth_priv *priv = netdev_priv(net_dev);
+ int dpni_enabled = 0;
+ int retries = 10, i;
+ int err = 0;
-
-static u32 drain_ingress_frames(struct dpaa2_eth_priv *priv)
-{
- struct dpaa2_eth_channel *ch;
@ -3212,20 +3207,18 @@ Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
- return drained;
-}
-
-
-{
-
static int dpaa2_eth_stop(struct net_device *net_dev)
{
struct dpaa2_eth_priv *priv = netdev_priv(net_dev);
- int dpni_enabled;
- int retries = 10;
- u32 drained;
-
- netif_tx_stop_all_queues(net_dev);
- netif_carrier_off(net_dev);
+ netif_tx_stop_all_queues(net_dev);
+ netif_carrier_off(net_dev);
+ int dpni_enabled = 0;
+ int retries = 10, i;
+ int err = 0;
/* Loop while dpni_disable() attempts to drain the egress FQs
* and confirm them back to us.
netif_tx_stop_all_queues(net_dev);
netif_carrier_off(net_dev);
@@ -1105,56 +1382,24 @@ static int dpaa2_eth_stop(struct net_dev
} while (dpni_enabled && --retries);
if (!retries) {
@ -4496,7 +4489,7 @@ Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
if (cls_cfg.num_extracts >= DPKG_MAX_NUM_OF_EXTRACTS) {
dev_err(dev, "error adding key extraction rule, too many rules?\n");
@@ -2020, 49 +2966,107 @@ static int dpaa2_eth_set_hash(struct net
@@ -2020, 12 +2966,10 @@ static int dpaa2_eth_set_hash(struct net
}
key->type = DPKG_EXTRACT_FROM_HDR;
@ -4506,27 +4499,37 @@ Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
- key->extract.from_hdr.field = hash_fields[i].cls_field;
+ key->extract.from_hdr.field = dist_fields[i].cls_field;
cls_cfg.num_extracts++;
+ }
+
+ dma_mem = kzalloc(DPAA2_CLASSIFIER_DMA_SIZE, GFP_KERNEL);
+ if (!dma_mem)
+ return -ENOMEM;
+
+ err = dpni_prepare_key_cfg(&cls_cfg, dma_mem);
+ if (err) {
+ dev_err(dev, "dpni_prepare_key_cfg error %d\n", err);
-
- priv->rx_hash_fields |= hash_fields[i].rxnfc_field;
}
dma_mem = kzalloc(DPAA2_CLASSIFIER_DMA_SIZE, GFP_KERNEL);
@@ -2035,36 +2979,96 @@ static int dpaa2_eth_set_hash(struct net
err = dpni_prepare_key_cfg(&cls_cfg, dma_mem);
if (err) {
dev_err(dev, "dpni_prepare_key_cfg error %d\n", err);
- goto err_prep_key;
+ goto free_key;
+ }
+
+ /* Prepare for setting the rx dist */
}
- memset(&dist_cfg, 0, sizeof(dist_cfg));
-
/* Prepare for setting the rx dist */
- dist_cfg.key_cfg_iova = dma_map_single(dev, dma_mem,
- DPAA2_CLASSIFIER_DMA_SIZE,
- DMA_TO_DEVICE);
- if (dma_mapping_error(dev, dist_cfg.key_cfg_iova)) {
+ key_iova = dma_map_single(dev, dma_mem, DPAA2_CLASSIFIER_DMA_SIZE,
+ DMA_TO_DEVICE);
+ if (dma_mapping_error(dev, key_iova)) {
+ dev_err(dev, "DMA mapping failed\n");
+ err = -ENOMEM;
dev_err(dev, "DMA mapping failed\n");
err = -ENOMEM;
- goto err_dma_map;
+ goto free_key;
+ }
+
}
- dist_cfg.dist_size = dpaa2_eth_queue_count(priv);
- dist_cfg.dist_mode = DPNI_DIST_MODE_HASH;
+ if (type == DPAA2_ETH_RX_DIST_HASH) {
+ if (dpaa2_eth_has_legacy_dist(priv))
+ err = config_legacy_hash_key(priv, key_iova);
@ -4535,17 +4538,24 @@ Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
+ } else {
+ err = config_cls_key(priv, key_iova);
+ }
+
- err = dpni_set_rx_tc_dist(priv->mc_io, 0, priv->mc_token, 0, &dist_cfg);
- dma_unmap_single(dev, dist_cfg.key_cfg_iova,
- DPAA2_CLASSIFIER_DMA_SIZE, DMA_TO_DEVICE);
- if (err)
- dev_err(dev, "dpni_set_rx_tc_dist() error %d\n", err);
+ dma_unmap_single(dev, key_iova, DPAA2_CLASSIFIER_DMA_SIZE,
+ DMA_TO_DEVICE);
+ if (!err && type == DPAA2_ETH_RX_DIST_HASH)
+ priv->rx_hash_fields = rx_hash_fields;
+
-err_dma_map:
-err_prep_key:
+free_key:
+ kfree(dma_mem);
+ return err;
+}
+
kfree(dma_mem);
return err;
}
+int dpaa2_eth_set_hash(struct net_device *net_dev, u64 flags)
+{
+ struct dpaa2_eth_priv *priv = netdev_priv(net_dev);
@ -4571,70 +4581,43 @@ Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
+{
+ struct device *dev = priv->net_dev->dev.parent;
+ int err;
- priv->rx_hash_fields |= hash_fields[i].rxnfc_field;
+
+ /* Check if we actually support Rx flow classification */
+ if (dpaa2_eth_has_legacy_dist(priv)) {
+ dev_dbg(dev, "Rx cls not supported by current MC version\n");
+ return -EOPNOTSUPP;
}
- dma_mem = kzalloc(DPAA2_CLASSIFIER_DMA_SIZE, GFP_KERNEL);
- if (!dma_mem)
- return -ENOMEM;
-
- err = dpni_prepare_key_cfg(&cls_cfg, dma_mem);
- if (err) {
- dev_err(dev, "dpni_prepare_key_cfg error %d\n", err);
- goto err_prep_key;
+ }
+
+ if (!dpaa2_eth_fs_enabled(priv)) {
+ dev_dbg(dev, "Rx cls disabled in DPNI options\n");
+ return -EOPNOTSUPP;
}
- memset(&dist_cfg, 0, sizeof(dist_cfg));
-
- /* Prepare for setting the rx dist */
- dist_cfg.key_cfg_iova = dma_map_single(dev, dma_mem,
- DPAA2_CLASSIFIER_DMA_SIZE,
- DMA_TO_DEVICE);
- if (dma_mapping_error(dev, dist_cfg.key_cfg_iova)) {
- dev_err(dev, "DMA mapping failed\n");
- err = -ENOMEM;
- goto err_dma_map;
+ }
+
+ if (!dpaa2_eth_hash_enabled(priv)) {
+ dev_dbg(dev, "Rx cls disabled for single queue DPNIs\n");
+ return -EOPNOTSUPP;
}
- dist_cfg.dist_size = dpaa2_eth_queue_count(priv);
- dist_cfg.dist_mode = DPNI_DIST_MODE_HASH;
+ }
+
+ /* If there is no support for masking in the classification table,
+ * we don't set a default key, as it will depend on the rules
+ * added by the user at runtime.
+ */
+ if (!dpaa2_eth_fs_mask_enabled(priv))
+ goto out;
- err = dpni_set_rx_tc_dist(priv->mc_io, 0, priv->mc_token, 0, &dist_cfg);
- dma_unmap_single(dev, dist_cfg.key_cfg_iova,
- DPAA2_CLASSIFIER_DMA_SIZE, DMA_TO_DEVICE);
+
+ err = dpaa2_eth_set_cls(priv->net_dev, DPAA2_ETH_DIST_ALL);
if (err)
- dev_err(dev, "dpni_set_rx_tc_dist() error %d\n", err);
+ if (err)
+ return err;
-err_dma_map:
-err_prep_key:
- kfree(dma_mem);
- return err;
+
+out:
+ priv->rx_cls_enabled = 1;
+
+ return 0;
}
+}
+
/* Bind the DPNI to its needed objects and resources: buffer pool, DPIOs,
* frame queues and channels
*/
@@ -2080,6 +3084,7 @@ static int bind_dpni(struct dpaa2_eth_pr
pools_params.num_dpbp = 1;
pools_params.pools[0].dpbp_id = priv->dpbp_dev->obj_desc.id;
Koen Vandeputte
5 years ago