diff options
Diffstat (limited to 'drivers/net/ethernet/google/gve/gve_adminq.h')
| -rw-r--r-- | drivers/net/ethernet/google/gve/gve_adminq.h | 59 |
1 files changed, 58 insertions, 1 deletions
diff --git a/drivers/net/ethernet/google/gve/gve_adminq.h b/drivers/net/ethernet/google/gve/gve_adminq.h index ed1370c9b197..863683de9694 100644 --- a/drivers/net/ethernet/google/gve/gve_adminq.h +++ b/drivers/net/ethernet/google/gve/gve_adminq.h @@ -20,12 +20,14 @@ enum gve_adminq_opcodes { GVE_ADMINQ_DESTROY_TX_QUEUE = 0x7, GVE_ADMINQ_DESTROY_RX_QUEUE = 0x8, GVE_ADMINQ_DECONFIGURE_DEVICE_RESOURCES = 0x9, + GVE_ADMINQ_CONFIGURE_RSS = 0xA, GVE_ADMINQ_SET_DRIVER_PARAMETER = 0xB, GVE_ADMINQ_REPORT_STATS = 0xC, GVE_ADMINQ_REPORT_LINK_SPEED = 0xD, GVE_ADMINQ_GET_PTYPE_MAP = 0xE, GVE_ADMINQ_VERIFY_DRIVER_COMPATIBILITY = 0xF, GVE_ADMINQ_QUERY_FLOW_RULES = 0x10, + GVE_ADMINQ_QUERY_RSS = 0x12, /* For commands that are larger than 56 bytes */ GVE_ADMINQ_EXTENDED_COMMAND = 0xFF, @@ -164,6 +166,14 @@ struct gve_device_option_flow_steering { static_assert(sizeof(struct gve_device_option_flow_steering) == 12); +struct gve_device_option_rss_config { + __be32 supported_features_mask; + __be16 hash_key_size; + __be16 hash_lut_size; +}; + +static_assert(sizeof(struct gve_device_option_rss_config) == 8); + /* Terminology: * * RDA - Raw DMA Addressing - Buffers associated with SKBs are directly DMA @@ -182,6 +192,7 @@ enum gve_dev_opt_id { GVE_DEV_OPT_ID_JUMBO_FRAMES = 0x8, GVE_DEV_OPT_ID_BUFFER_SIZES = 0xa, GVE_DEV_OPT_ID_FLOW_STEERING = 0xb, + GVE_DEV_OPT_ID_RSS_CONFIG = 0xe, }; enum gve_dev_opt_req_feat_mask { @@ -194,6 +205,7 @@ enum gve_dev_opt_req_feat_mask { GVE_DEV_OPT_REQ_FEAT_MASK_BUFFER_SIZES = 0x0, GVE_DEV_OPT_REQ_FEAT_MASK_MODIFY_RING = 0x0, GVE_DEV_OPT_REQ_FEAT_MASK_FLOW_STEERING = 0x0, + GVE_DEV_OPT_REQ_FEAT_MASK_RSS_CONFIG = 0x0, }; enum gve_sup_feature_mask { @@ -201,6 +213,7 @@ enum gve_sup_feature_mask { GVE_SUP_JUMBO_FRAMES_MASK = 1 << 2, GVE_SUP_BUFFER_SIZES_MASK = 1 << 4, GVE_SUP_FLOW_STEERING_MASK = 1 << 5, + GVE_SUP_RSS_CONFIG_MASK = 1 << 7, }; #define GVE_DEV_OPT_LEN_GQI_RAW_ADDRESSING 0x0 @@ -214,6 +227,7 @@ enum gve_driver_capbility { gve_driver_capability_dqo_rda = 3, gve_driver_capability_alt_miss_compl = 4, gve_driver_capability_flexible_buffer_size = 5, + gve_driver_capability_flexible_rss_size = 6, }; #define GVE_CAP1(a) BIT((int)a) @@ -226,7 +240,8 @@ enum gve_driver_capbility { 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_flexible_buffer_size)) + GVE_CAP1(gve_driver_capability_flexible_buffer_size) | \ + GVE_CAP1(gve_driver_capability_flexible_rss_size)) #define GVE_DRIVER_CAPABILITY_FLAGS2 0x0 #define GVE_DRIVER_CAPABILITY_FLAGS3 0x0 @@ -509,6 +524,44 @@ struct gve_adminq_query_flow_rules { static_assert(sizeof(struct gve_adminq_query_flow_rules) == 24); +enum gve_rss_hash_type { + GVE_RSS_HASH_IPV4, + GVE_RSS_HASH_TCPV4, + GVE_RSS_HASH_IPV6, + GVE_RSS_HASH_IPV6_EX, + GVE_RSS_HASH_TCPV6, + GVE_RSS_HASH_TCPV6_EX, + GVE_RSS_HASH_UDPV4, + GVE_RSS_HASH_UDPV6, + GVE_RSS_HASH_UDPV6_EX, +}; + +struct gve_adminq_configure_rss { + __be16 hash_types; + u8 hash_alg; + u8 reserved; + __be16 hash_key_size; + __be16 hash_lut_size; + __be64 hash_key_addr; + __be64 hash_lut_addr; +}; + +static_assert(sizeof(struct gve_adminq_configure_rss) == 24); + +struct gve_query_rss_descriptor { + __be32 total_length; + __be16 hash_types; + u8 hash_alg; + u8 reserved; +}; + +struct gve_adminq_query_rss { + __be64 available_length; + __be64 rss_descriptor_addr; +}; + +static_assert(sizeof(struct gve_adminq_query_rss) == 16); + union gve_adminq_command { struct { __be32 opcode; @@ -530,6 +583,8 @@ union gve_adminq_command { struct gve_adminq_verify_driver_compatibility verify_driver_compatibility; struct gve_adminq_query_flow_rules query_flow_rules; + struct gve_adminq_configure_rss configure_rss; + struct gve_adminq_query_rss query_rss; struct gve_adminq_extended_command extended_command; }; }; @@ -568,6 +623,8 @@ int gve_adminq_add_flow_rule(struct gve_priv *priv, struct gve_adminq_flow_rule int gve_adminq_del_flow_rule(struct gve_priv *priv, u32 loc); int gve_adminq_reset_flow_rules(struct gve_priv *priv); int gve_adminq_query_flow_rules(struct gve_priv *priv, u16 query_opcode, u32 starting_loc); +int gve_adminq_configure_rss(struct gve_priv *priv, struct ethtool_rxfh_param *rxfh); +int gve_adminq_query_rss_config(struct gve_priv *priv, struct ethtool_rxfh_param *rxfh); struct gve_ptype_lut; int gve_adminq_get_ptype_map_dqo(struct gve_priv *priv, |