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path: root/drivers/net/ethernet/google/gve/gve.h
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Diffstat (limited to 'drivers/net/ethernet/google/gve/gve.h')
-rw-r--r--drivers/net/ethernet/google/gve/gve.h21
1 files changed, 17 insertions, 4 deletions
diff --git a/drivers/net/ethernet/google/gve/gve.h b/drivers/net/ethernet/google/gve/gve.h
index b719f72281c4..5f5d4f7aa813 100644
--- a/drivers/net/ethernet/google/gve/gve.h
+++ b/drivers/net/ethernet/google/gve/gve.h
@@ -229,6 +229,7 @@ struct gve_rx_ring {
/* A TX desc ring entry */
union gve_tx_desc {
struct gve_tx_pkt_desc pkt; /* first desc for a packet */
+ struct gve_tx_mtd_desc mtd; /* optional metadata descriptor */
struct gve_tx_seg_desc seg; /* subsequent descs for a packet */
};
@@ -441,13 +442,13 @@ struct gve_tx_ring {
* associated with that irq.
*/
struct gve_notify_block {
- __be32 irq_db_index; /* idx into Bar2 - set by device, must be 1st */
+ __be32 *irq_db_index; /* pointer to idx into Bar2 */
char name[IFNAMSIZ + 16]; /* name registered with the kernel */
struct napi_struct napi; /* kernel napi struct for this block */
struct gve_priv *priv;
struct gve_tx_ring *tx; /* tx rings on this block */
struct gve_rx_ring *rx; /* rx rings on this block */
-} ____cacheline_aligned;
+};
/* Tracks allowed and current queue settings */
struct gve_queue_config {
@@ -466,6 +467,10 @@ struct gve_options_dqo_rda {
u16 rx_buff_ring_entries; /* number of rx_buff descriptors */
};
+struct gve_irq_db {
+ __be32 index;
+} ____cacheline_aligned;
+
struct gve_ptype {
u8 l3_type; /* `gve_l3_type` in gve_adminq.h */
u8 l4_type; /* `gve_l4_type` in gve_adminq.h */
@@ -492,7 +497,8 @@ struct gve_priv {
struct gve_rx_ring *rx; /* array of rx_cfg.num_queues */
struct gve_queue_page_list *qpls; /* array of num qpls */
struct gve_notify_block *ntfy_blocks; /* array of num_ntfy_blks */
- dma_addr_t ntfy_block_bus;
+ struct gve_irq_db *irq_db_indices; /* array of num_ntfy_blks */
+ dma_addr_t irq_db_indices_bus;
struct msix_entry *msix_vectors; /* array of num_ntfy_blks + 1 */
char mgmt_msix_name[IFNAMSIZ + 16];
u32 mgmt_msix_idx;
@@ -551,6 +557,8 @@ struct gve_priv {
u32 page_alloc_fail; /* count of page alloc fails */
u32 dma_mapping_error; /* count of dma mapping errors */
u32 stats_report_trigger_cnt; /* count of device-requested stats-reports since last reset */
+ u32 suspend_cnt; /* count of times suspended */
+ u32 resume_cnt; /* count of times resumed */
struct workqueue_struct *gve_wq;
struct work_struct service_task;
struct work_struct stats_report_task;
@@ -567,6 +575,7 @@ struct gve_priv {
/* Gvnic device link speed from hypervisor. */
u64 link_speed;
+ bool up_before_suspend; /* True if dev was up before suspend */
struct gve_options_dqo_rda options_dqo_rda;
struct gve_ptype_lut *ptype_lut_dqo;
@@ -575,6 +584,10 @@ struct gve_priv {
int data_buffer_size_dqo;
enum gve_queue_format queue_format;
+
+ /* Interrupt coalescing settings */
+ u32 tx_coalesce_usecs;
+ u32 rx_coalesce_usecs;
};
enum gve_service_task_flags_bit {
@@ -733,7 +746,7 @@ static inline void gve_clear_report_stats(struct gve_priv *priv)
static inline __be32 __iomem *gve_irq_doorbell(struct gve_priv *priv,
struct gve_notify_block *block)
{
- return &priv->db_bar2[be32_to_cpu(block->irq_db_index)];
+ return &priv->db_bar2[be32_to_cpu(*block->irq_db_index)];
}
/* Returns the index into ntfy_blocks of the given tx ring's block