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path: root/drivers/net/ethernet/google/gve/gve_main.c
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Diffstat (limited to 'drivers/net/ethernet/google/gve/gve_main.c')
-rw-r--r--drivers/net/ethernet/google/gve/gve_main.c31
1 files changed, 20 insertions, 11 deletions
diff --git a/drivers/net/ethernet/google/gve/gve_main.c b/drivers/net/ethernet/google/gve/gve_main.c
index 8fb70db63b8b..5704b5f57cd0 100644
--- a/drivers/net/ethernet/google/gve/gve_main.c
+++ b/drivers/net/ethernet/google/gve/gve_main.c
@@ -31,8 +31,8 @@
// Minimum amount of time between queue kicks in msec (10 seconds)
#define MIN_TX_TIMEOUT_GAP (1000 * 10)
-#define DQO_TX_MAX 0x3FFFF
+char gve_driver_name[] = "gve";
const char gve_version_str[] = GVE_VERSION;
static const char gve_version_prefix[] = GVE_VERSION_PREFIX;
@@ -493,7 +493,7 @@ static int gve_setup_device_resources(struct gve_priv *priv)
goto abort_with_stats_report;
}
- if (priv->queue_format == GVE_DQO_RDA_FORMAT) {
+ if (!gve_is_gqi(priv)) {
priv->ptype_lut_dqo = kvzalloc(sizeof(*priv->ptype_lut_dqo),
GFP_KERNEL);
if (!priv->ptype_lut_dqo) {
@@ -1082,11 +1082,12 @@ free_qpls:
static int gve_alloc_qpls(struct gve_priv *priv)
{
int max_queues = priv->tx_cfg.max_queues + priv->rx_cfg.max_queues;
+ int page_count;
int start_id;
int i, j;
int err;
- if (priv->queue_format != GVE_GQI_QPL_FORMAT)
+ if (!gve_is_qpl(priv))
return 0;
priv->qpls = kvcalloc(max_queues, sizeof(*priv->qpls), GFP_KERNEL);
@@ -1094,17 +1095,25 @@ static int gve_alloc_qpls(struct gve_priv *priv)
return -ENOMEM;
start_id = gve_tx_start_qpl_id(priv);
+ page_count = priv->tx_pages_per_qpl;
for (i = start_id; i < start_id + gve_num_tx_qpls(priv); i++) {
err = gve_alloc_queue_page_list(priv, i,
- priv->tx_pages_per_qpl);
+ page_count);
if (err)
goto free_qpls;
}
start_id = gve_rx_start_qpl_id(priv);
+
+ /* For GQI_QPL number of pages allocated have 1:1 relationship with
+ * number of descriptors. For DQO, number of pages required are
+ * more than descriptors (because of out of order completions).
+ */
+ page_count = priv->queue_format == GVE_GQI_QPL_FORMAT ?
+ priv->rx_data_slot_cnt : priv->rx_pages_per_qpl;
for (i = start_id; i < start_id + gve_num_rx_qpls(priv); i++) {
err = gve_alloc_queue_page_list(priv, i,
- priv->rx_data_slot_cnt);
+ page_count);
if (err)
goto free_qpls;
}
@@ -2050,7 +2059,7 @@ static int gve_init_priv(struct gve_priv *priv, bool skip_describe_device)
/* Big TCP is only supported on DQ*/
if (!gve_is_gqi(priv))
- netif_set_tso_max_size(priv->dev, DQO_TX_MAX);
+ netif_set_tso_max_size(priv->dev, GVE_DQO_TX_MAX);
priv->num_registered_pages = 0;
priv->rx_copybreak = GVE_DEFAULT_RX_COPYBREAK;
@@ -2200,7 +2209,7 @@ static int gve_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
if (err)
return err;
- err = pci_request_regions(pdev, "gvnic-cfg");
+ err = pci_request_regions(pdev, gve_driver_name);
if (err)
goto abort_with_enabled;
@@ -2393,8 +2402,8 @@ static const struct pci_device_id gve_id_table[] = {
{ }
};
-static struct pci_driver gvnic_driver = {
- .name = "gvnic",
+static struct pci_driver gve_driver = {
+ .name = gve_driver_name,
.id_table = gve_id_table,
.probe = gve_probe,
.remove = gve_remove,
@@ -2405,10 +2414,10 @@ static struct pci_driver gvnic_driver = {
#endif
};
-module_pci_driver(gvnic_driver);
+module_pci_driver(gve_driver);
MODULE_DEVICE_TABLE(pci, gve_id_table);
MODULE_AUTHOR("Google, Inc.");
-MODULE_DESCRIPTION("gVNIC Driver");
+MODULE_DESCRIPTION("Google Virtual NIC Driver");
MODULE_LICENSE("Dual MIT/GPL");
MODULE_VERSION(GVE_VERSION);