diff options
Diffstat (limited to 'drivers/net/ethernet/google/gve/gve_adminq.h')
| -rw-r--r-- | drivers/net/ethernet/google/gve/gve_adminq.h | 64 |
1 files changed, 47 insertions, 17 deletions
diff --git a/drivers/net/ethernet/google/gve/gve_adminq.h b/drivers/net/ethernet/google/gve/gve_adminq.h index 5865ccdccbd0..e64f0dbe744d 100644 --- a/drivers/net/ethernet/google/gve/gve_adminq.h +++ b/drivers/net/ethernet/google/gve/gve_adminq.h @@ -103,8 +103,7 @@ static_assert(sizeof(struct gve_device_option_gqi_qpl) == 4); struct gve_device_option_dqo_rda { __be32 supported_features_mask; - __be16 tx_comp_ring_entries; - __be16 rx_buff_ring_entries; + __be32 reserved; }; static_assert(sizeof(struct gve_device_option_dqo_rda) == 8); @@ -125,6 +124,25 @@ struct gve_device_option_jumbo_frames { static_assert(sizeof(struct gve_device_option_jumbo_frames) == 8); +struct gve_device_option_buffer_sizes { + /* GVE_SUP_BUFFER_SIZES_MASK bit should be set */ + __be32 supported_features_mask; + __be16 packet_buffer_size; + __be16 header_buffer_size; +}; + +static_assert(sizeof(struct gve_device_option_buffer_sizes) == 8); + +struct gve_device_option_modify_ring { + __be32 supported_featured_mask; + __be16 max_rx_ring_size; + __be16 max_tx_ring_size; + __be16 min_rx_ring_size; + __be16 min_tx_ring_size; +}; + +static_assert(sizeof(struct gve_device_option_modify_ring) == 12); + /* Terminology: * * RDA - Raw DMA Addressing - Buffers associated with SKBs are directly DMA @@ -134,25 +152,31 @@ static_assert(sizeof(struct gve_device_option_jumbo_frames) == 8); * the device for read/write and data is copied from/to SKBs. */ enum gve_dev_opt_id { - GVE_DEV_OPT_ID_GQI_RAW_ADDRESSING = 0x1, - GVE_DEV_OPT_ID_GQI_RDA = 0x2, - GVE_DEV_OPT_ID_GQI_QPL = 0x3, - GVE_DEV_OPT_ID_DQO_RDA = 0x4, - GVE_DEV_OPT_ID_DQO_QPL = 0x7, - GVE_DEV_OPT_ID_JUMBO_FRAMES = 0x8, + GVE_DEV_OPT_ID_GQI_RAW_ADDRESSING = 0x1, + GVE_DEV_OPT_ID_GQI_RDA = 0x2, + GVE_DEV_OPT_ID_GQI_QPL = 0x3, + GVE_DEV_OPT_ID_DQO_RDA = 0x4, + GVE_DEV_OPT_ID_MODIFY_RING = 0x6, + GVE_DEV_OPT_ID_DQO_QPL = 0x7, + GVE_DEV_OPT_ID_JUMBO_FRAMES = 0x8, + GVE_DEV_OPT_ID_BUFFER_SIZES = 0xa, }; enum gve_dev_opt_req_feat_mask { - GVE_DEV_OPT_REQ_FEAT_MASK_GQI_RAW_ADDRESSING = 0x0, - GVE_DEV_OPT_REQ_FEAT_MASK_GQI_RDA = 0x0, - GVE_DEV_OPT_REQ_FEAT_MASK_GQI_QPL = 0x0, - GVE_DEV_OPT_REQ_FEAT_MASK_DQO_RDA = 0x0, - GVE_DEV_OPT_REQ_FEAT_MASK_JUMBO_FRAMES = 0x0, - GVE_DEV_OPT_REQ_FEAT_MASK_DQO_QPL = 0x0, + GVE_DEV_OPT_REQ_FEAT_MASK_GQI_RAW_ADDRESSING = 0x0, + GVE_DEV_OPT_REQ_FEAT_MASK_GQI_RDA = 0x0, + GVE_DEV_OPT_REQ_FEAT_MASK_GQI_QPL = 0x0, + GVE_DEV_OPT_REQ_FEAT_MASK_DQO_RDA = 0x0, + GVE_DEV_OPT_REQ_FEAT_MASK_JUMBO_FRAMES = 0x0, + GVE_DEV_OPT_REQ_FEAT_MASK_DQO_QPL = 0x0, + GVE_DEV_OPT_REQ_FEAT_MASK_BUFFER_SIZES = 0x0, + GVE_DEV_OPT_REQ_FEAT_MASK_MODIFY_RING = 0x0, }; enum gve_sup_feature_mask { - GVE_SUP_JUMBO_FRAMES_MASK = 1 << 2, + GVE_SUP_MODIFY_RING_MASK = 1 << 0, + GVE_SUP_JUMBO_FRAMES_MASK = 1 << 2, + GVE_SUP_BUFFER_SIZES_MASK = 1 << 4, }; #define GVE_DEV_OPT_LEN_GQI_RAW_ADDRESSING 0x0 @@ -165,6 +189,7 @@ enum gve_driver_capbility { gve_driver_capability_dqo_qpl = 2, /* reserved for future use */ gve_driver_capability_dqo_rda = 3, gve_driver_capability_alt_miss_compl = 4, + gve_driver_capability_flexible_buffer_size = 5, }; #define GVE_CAP1(a) BIT((int)a) @@ -176,7 +201,8 @@ enum gve_driver_capbility { (GVE_CAP1(gve_driver_capability_gqi_qpl) | \ GVE_CAP1(gve_driver_capability_gqi_rda) | \ GVE_CAP1(gve_driver_capability_dqo_rda) | \ - GVE_CAP1(gve_driver_capability_alt_miss_compl)) + GVE_CAP1(gve_driver_capability_alt_miss_compl) | \ + GVE_CAP1(gve_driver_capability_flexible_buffer_size)) #define GVE_DRIVER_CAPABILITY_FLAGS2 0x0 #define GVE_DRIVER_CAPABILITY_FLAGS3 0x0 @@ -260,7 +286,9 @@ struct gve_adminq_create_rx_queue { __be16 packet_buffer_size; __be16 rx_buff_ring_size; u8 enable_rsc; - u8 padding[5]; + u8 padding1; + __be16 header_buffer_size; + u8 padding2[2]; }; static_assert(sizeof(struct gve_adminq_create_rx_queue) == 56); @@ -423,7 +451,9 @@ int gve_adminq_configure_device_resources(struct gve_priv *priv, int gve_adminq_deconfigure_device_resources(struct gve_priv *priv); int gve_adminq_create_tx_queues(struct gve_priv *priv, u32 start_id, u32 num_queues); int gve_adminq_destroy_tx_queues(struct gve_priv *priv, u32 start_id, u32 num_queues); +int gve_adminq_create_single_rx_queue(struct gve_priv *priv, u32 queue_index); int gve_adminq_create_rx_queues(struct gve_priv *priv, u32 num_queues); +int gve_adminq_destroy_single_rx_queue(struct gve_priv *priv, u32 queue_index); int gve_adminq_destroy_rx_queues(struct gve_priv *priv, u32 queue_id); int gve_adminq_register_page_list(struct gve_priv *priv, struct gve_queue_page_list *qpl); |