diff options
Diffstat (limited to 'drivers/net/ethernet/intel/idpf/idpf.h')
| -rw-r--r-- | drivers/net/ethernet/intel/idpf/idpf.h | 307 |
1 files changed, 307 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/idpf/idpf.h b/drivers/net/ethernet/intel/idpf/idpf.h index 699db47c507c..7b40e42665a4 100644 --- a/drivers/net/ethernet/intel/idpf/idpf.h +++ b/drivers/net/ethernet/intel/idpf/idpf.h @@ -6,7 +6,10 @@ /* Forward declaration */ struct idpf_adapter; +struct idpf_vport; +struct idpf_vport_max_q; +#include <net/pkt_sched.h> #include <linux/aer.h> #include <linux/etherdevice.h> #include <linux/pci.h> @@ -15,6 +18,8 @@ struct idpf_adapter; #include "idpf_txrx.h" #include "idpf_controlq.h" +#define IDPF_NO_FREE_SLOT 0xffff + /* Default Mailbox settings */ #define IDPF_NUM_DFLT_MBX_Q 2 /* includes both TX and RX */ #define IDPF_DFLT_MBX_Q_LEN 64 @@ -67,6 +72,58 @@ enum idpf_flags { }; /** + * enum idpf_cap_field - Offsets into capabilities struct for specific caps + * @IDPF_BASE_CAPS: generic base capabilities + * @IDPF_CSUM_CAPS: checksum offload capabilities + * @IDPF_SEG_CAPS: segmentation offload capabilities + * @IDPF_RSS_CAPS: RSS offload capabilities + * @IDPF_HSPLIT_CAPS: Header split capabilities + * @IDPF_RSC_CAPS: RSC offload capabilities + * @IDPF_OTHER_CAPS: miscellaneous offloads + * + * Used when checking for a specific capability flag since different capability + * sets are not mutually exclusive numerically, the caller must specify which + * type of capability they are checking for. + */ +enum idpf_cap_field { + IDPF_BASE_CAPS = -1, + IDPF_CSUM_CAPS = offsetof(struct virtchnl2_get_capabilities, + csum_caps), + IDPF_SEG_CAPS = offsetof(struct virtchnl2_get_capabilities, + seg_caps), + IDPF_RSS_CAPS = offsetof(struct virtchnl2_get_capabilities, + rss_caps), + IDPF_HSPLIT_CAPS = offsetof(struct virtchnl2_get_capabilities, + hsplit_caps), + IDPF_RSC_CAPS = offsetof(struct virtchnl2_get_capabilities, + rsc_caps), + IDPF_OTHER_CAPS = offsetof(struct virtchnl2_get_capabilities, + other_caps), +}; + +/** + * enum idpf_vport_state - Current vport state + * @__IDPF_VPORT_DOWN: Vport is down + * @__IDPF_VPORT_UP: Vport is up + * @__IDPF_VPORT_STATE_LAST: Must be last, number of states + */ +enum idpf_vport_state { + __IDPF_VPORT_DOWN, + __IDPF_VPORT_UP, + __IDPF_VPORT_STATE_LAST, +}; + +/** + * struct idpf_netdev_priv - Struct to store vport back pointer + * @vport: Vport back pointer + * @state: See enum idpf_vport_state + */ +struct idpf_netdev_priv { + struct idpf_vport *vport; + enum idpf_vport_state state; +}; + +/** * struct idpf_reset_reg - Reset register offsets/masks * @rstat: Reset status register * @rstat_m: Reset status mask @@ -77,6 +134,20 @@ struct idpf_reset_reg { }; /** + * struct idpf_vport_max_q - Queue limits + * @max_rxq: Maximum number of RX queues supported + * @max_txq: Maixmum number of TX queues supported + * @max_bufq: In splitq, maximum number of buffer queues supported + * @max_complq: In splitq, maximum number of completion queues supported + */ +struct idpf_vport_max_q { + u16 max_rxq; + u16 max_txq; + u16 max_bufq; + u16 max_complq; +}; + +/** * struct idpf_reg_ops - Device specific register operation function pointers * @ctlq_reg_init: Mailbox control queue register initialization * @mb_intr_reg_init: Mailbox interrupt register initialization @@ -105,6 +176,10 @@ struct idpf_dev_ops { * statement and instead only used to define the enum and array. */ #define IDPF_FOREACH_VPORT_VC_STATE(STATE) \ + STATE(IDPF_VC_CREATE_VPORT) \ + STATE(IDPF_VC_CREATE_VPORT_ERR) \ + STATE(IDPF_VC_DESTROY_VPORT) \ + STATE(IDPF_VC_DESTROY_VPORT_ERR) \ STATE(IDPF_VC_ALLOC_VECTORS) \ STATE(IDPF_VC_ALLOC_VECTORS_ERR) \ STATE(IDPF_VC_DEALLOC_VECTORS) \ @@ -122,10 +197,114 @@ extern const char * const idpf_vport_vc_state_str[]; /** * struct idpf_vport - Handle for netdevices and queue resources + * @num_txq: Number of allocated TX queues + * @num_complq: Number of allocated completion queues + * @txq_desc_count: TX queue descriptor count + * @complq_desc_count: Completion queue descriptor count + * @num_txq_grp: Number of TX queue groups + * @txq_model: Split queue or single queue queuing model + * @num_rxq: Number of allocated RX queues + * @num_bufq: Number of allocated buffer queues + * @rxq_desc_count: RX queue descriptor count. *MUST* have enough descriptors + * to complete all buffer descriptors for all buffer queues in + * the worst case. + * @num_bufqs_per_qgrp: Buffer queues per RX queue in a given grouping + * @bufq_desc_count: Buffer queue descriptor count + * @bufq_size: Size of buffers in ring (e.g. 2K, 4K, etc) + * @num_rxq_grp: Number of RX queues in a group + * @rxq_model: Splitq queue or single queue queuing model + * @adapter: back pointer to associated adapter + * @netdev: Associated net_device. Each vport should have one and only one + * associated netdev. + * @vport_type: Default SRIOV, SIOV, etc. * @vport_id: Device given vport identifier + * @idx: Software index in adapter vports struct + * @default_vport: Use this vport if one isn't specified + * @max_mtu: device given max possible MTU + * @default_mac_addr: device will give a default MAC to use + * @vc_msg: Virtchnl message buffer + * @vc_state: Virtchnl message state + * @vchnl_wq: Wait queue for virtchnl messages + * @vc_buf_lock: Lock to protect virtchnl buffer */ struct idpf_vport { + u16 num_txq; + u16 num_complq; + u32 txq_desc_count; + u32 complq_desc_count; + u16 num_txq_grp; + u32 txq_model; + u16 num_rxq; + u16 num_bufq; + u32 rxq_desc_count; + u8 num_bufqs_per_qgrp; + u32 bufq_desc_count[IDPF_MAX_BUFQS_PER_RXQ_GRP]; + u32 bufq_size[IDPF_MAX_BUFQS_PER_RXQ_GRP]; + u16 num_rxq_grp; + u32 rxq_model; + + struct idpf_adapter *adapter; + struct net_device *netdev; + u16 vport_type; u32 vport_id; + u16 idx; + bool default_vport; + + u16 max_mtu; + u8 default_mac_addr[ETH_ALEN]; + + char vc_msg[IDPF_CTLQ_MAX_BUF_LEN]; + DECLARE_BITMAP(vc_state, IDPF_VC_NBITS); + + wait_queue_head_t vchnl_wq; + struct mutex vc_buf_lock; +}; + +/** + * struct idpf_vport_user_config_data - User defined configuration values for + * each vport. + * @num_req_tx_qs: Number of user requested TX queues through ethtool + * @num_req_rx_qs: Number of user requested RX queues through ethtool + * @num_req_txq_desc: Number of user requested TX queue descriptors through + * ethtool + * @num_req_rxq_desc: Number of user requested RX queue descriptors through + * ethtool + * + * Used to restore configuration after a reset as the vport will get wiped. + */ +struct idpf_vport_user_config_data { + u16 num_req_tx_qs; + u16 num_req_rx_qs; + u32 num_req_txq_desc; + u32 num_req_rxq_desc; +}; + +/** + * enum idpf_vport_config_flags - Vport config flags + * @IDPF_VPORT_REG_NETDEV: Register netdev + * @IDPF_VPORT_UP_REQUESTED: Set if interface up is requested on core reset + * @IDPF_VPORT_CONFIG_FLAGS_NBITS: Must be last + */ +enum idpf_vport_config_flags { + IDPF_VPORT_REG_NETDEV, + IDPF_VPORT_UP_REQUESTED, + IDPF_VPORT_CONFIG_FLAGS_NBITS, +}; + +/** + * struct idpf_avail_queue_info + * @avail_rxq: Available RX queues + * @avail_txq: Available TX queues + * @avail_bufq: Available buffer queues + * @avail_complq: Available completion queues + * + * Maintain total queues available after allocating max queues to each vport. + */ +struct idpf_avail_queue_info { + u16 avail_rxq; + u16 avail_txq; + u16 avail_bufq; + u16 avail_complq; }; /** @@ -153,6 +332,18 @@ struct idpf_vector_lifo { }; /** + * struct idpf_vport_config - Vport configuration data + * @user_config: see struct idpf_vport_user_config_data + * @max_q: Maximum possible queues + * @flags: See enum idpf_vport_config_flags + */ +struct idpf_vport_config { + struct idpf_vport_user_config_data user_config; + struct idpf_vport_max_q max_q; + DECLARE_BITMAP(flags, IDPF_VPORT_CONFIG_FLAGS_NBITS); +}; + +/** * struct idpf_adapter - Device data struct generated on probe * @pdev: PCI device struct given on probe * @virt_ver_maj: Virtchnl version major @@ -171,6 +362,18 @@ struct idpf_vector_lifo { * @mb_vector: Mailbox vector data * @vector_stack: Stack to store the msix vector indexes * @irq_mb_handler: Handler for hard interrupt for mailbox + * @avail_queues: Device given queue limits + * @vports: Array to store vports created by the driver + * @netdevs: Associated Vport netdevs + * @vport_params_reqd: Vport params requested + * @vport_params_recvd: Vport params received + * @vport_ids: Array of device given vport identifiers + * @vport_config: Vport config parameters + * @max_vports: Maximum vports that can be allocated + * @num_alloc_vports: Current number of vports allocated + * @next_vport: Next free slot in pf->vport[] - 0-based! + * @init_task: Initialization task + * @init_wq: Workqueue for initialization task * @serv_task: Periodically recurring maintenance task * @serv_wq: Workqueue for service task * @mbx_task: Task to handle mailbox interrupts @@ -182,8 +385,11 @@ struct idpf_vector_lifo { * @vc_state: Virtchnl message state * @vc_msg: Virtchnl message buffer * @dev_ops: See idpf_dev_ops + * @req_tx_splitq: TX split or single queue model to request + * @req_rx_splitq: RX split or single queue model to request * @vport_ctrl_lock: Lock to protect the vport control flow * @vector_lock: Lock to protect vector distribution + * @queue_lock: Lock to protect queue distribution * @vc_buf_lock: Lock to protect virtchnl buffer */ struct idpf_adapter { @@ -206,6 +412,20 @@ struct idpf_adapter { struct idpf_vector_lifo vector_stack; irqreturn_t (*irq_mb_handler)(int irq, void *data); + struct idpf_avail_queue_info avail_queues; + struct idpf_vport **vports; + struct net_device **netdevs; + struct virtchnl2_create_vport **vport_params_reqd; + struct virtchnl2_create_vport **vport_params_recvd; + u32 *vport_ids; + + struct idpf_vport_config **vport_config; + u16 max_vports; + u16 num_alloc_vports; + u16 next_vport; + + struct delayed_work init_task; + struct workqueue_struct *init_wq; struct delayed_work serv_task; struct workqueue_struct *serv_wq; struct delayed_work mbx_task; @@ -218,13 +438,80 @@ struct idpf_adapter { DECLARE_BITMAP(vc_state, IDPF_VC_NBITS); char vc_msg[IDPF_CTLQ_MAX_BUF_LEN]; struct idpf_dev_ops dev_ops; + bool req_tx_splitq; + bool req_rx_splitq; struct mutex vport_ctrl_lock; struct mutex vector_lock; + struct mutex queue_lock; struct mutex vc_buf_lock; }; /** + * idpf_is_queue_model_split - check if queue model is split + * @q_model: queue model single or split + * + * Returns true if queue model is split else false + */ +static inline int idpf_is_queue_model_split(u16 q_model) +{ + return q_model == VIRTCHNL2_QUEUE_MODEL_SPLIT; +} + +#define idpf_is_cap_ena(adapter, field, flag) \ + idpf_is_capability_ena(adapter, false, field, flag) +#define idpf_is_cap_ena_all(adapter, field, flag) \ + idpf_is_capability_ena(adapter, true, field, flag) + +bool idpf_is_capability_ena(struct idpf_adapter *adapter, bool all, + enum idpf_cap_field field, u64 flag); + +#define IDPF_CAP_RSS (\ + VIRTCHNL2_CAP_RSS_IPV4_TCP |\ + VIRTCHNL2_CAP_RSS_IPV4_TCP |\ + VIRTCHNL2_CAP_RSS_IPV4_UDP |\ + VIRTCHNL2_CAP_RSS_IPV4_SCTP |\ + VIRTCHNL2_CAP_RSS_IPV4_OTHER |\ + VIRTCHNL2_CAP_RSS_IPV6_TCP |\ + VIRTCHNL2_CAP_RSS_IPV6_TCP |\ + VIRTCHNL2_CAP_RSS_IPV6_UDP |\ + VIRTCHNL2_CAP_RSS_IPV6_SCTP |\ + VIRTCHNL2_CAP_RSS_IPV6_OTHER) + +#define IDPF_CAP_RSC (\ + VIRTCHNL2_CAP_RSC_IPV4_TCP |\ + VIRTCHNL2_CAP_RSC_IPV6_TCP) + +#define IDPF_CAP_HSPLIT (\ + VIRTCHNL2_CAP_RX_HSPLIT_AT_L4V4 |\ + VIRTCHNL2_CAP_RX_HSPLIT_AT_L4V6) + +#define IDPF_CAP_RX_CSUM_L4V4 (\ + VIRTCHNL2_CAP_RX_CSUM_L4_IPV4_TCP |\ + VIRTCHNL2_CAP_RX_CSUM_L4_IPV4_UDP) + +#define IDPF_CAP_RX_CSUM_L4V6 (\ + VIRTCHNL2_CAP_RX_CSUM_L4_IPV6_TCP |\ + VIRTCHNL2_CAP_RX_CSUM_L4_IPV6_UDP) + +#define IDPF_CAP_RX_CSUM (\ + VIRTCHNL2_CAP_RX_CSUM_L3_IPV4 |\ + VIRTCHNL2_CAP_RX_CSUM_L4_IPV4_TCP |\ + VIRTCHNL2_CAP_RX_CSUM_L4_IPV4_UDP |\ + VIRTCHNL2_CAP_RX_CSUM_L4_IPV6_TCP |\ + VIRTCHNL2_CAP_RX_CSUM_L4_IPV6_UDP) + +#define IDPF_CAP_SCTP_CSUM (\ + VIRTCHNL2_CAP_TX_CSUM_L4_IPV4_SCTP |\ + VIRTCHNL2_CAP_TX_CSUM_L4_IPV6_SCTP |\ + VIRTCHNL2_CAP_RX_CSUM_L4_IPV4_SCTP |\ + VIRTCHNL2_CAP_RX_CSUM_L4_IPV6_SCTP) + +#define IDPF_CAP_TUNNEL_TX_CSUM (\ + VIRTCHNL2_CAP_TX_CSUM_L3_SINGLE_TUNNEL |\ + VIRTCHNL2_CAP_TX_CSUM_L4_SINGLE_TUNNEL) + +/** * idpf_get_reserved_vecs - Get reserved vectors * @adapter: private data struct */ @@ -243,6 +530,15 @@ static inline u16 idpf_get_default_vports(struct idpf_adapter *adapter) } /** + * idpf_get_max_vports - Get max number of vports + * @adapter: private data struct + */ +static inline u16 idpf_get_max_vports(struct idpf_adapter *adapter) +{ + return le16_to_cpu(adapter->caps.max_vports); +} + +/** * idpf_get_reg_addr - Get BAR0 register address * @adapter: private data struct * @reg_offset: register offset value @@ -283,6 +579,7 @@ static inline bool idpf_is_reset_in_prog(struct idpf_adapter *adapter) test_bit(IDPF_HR_DRV_LOAD, adapter->flags)); } +void idpf_init_task(struct work_struct *work); void idpf_service_task(struct work_struct *work); void idpf_mbx_task(struct work_struct *work); void idpf_vc_event_task(struct work_struct *work); @@ -294,8 +591,10 @@ int idpf_vc_core_init(struct idpf_adapter *adapter); void idpf_vc_core_deinit(struct idpf_adapter *adapter); int idpf_intr_req(struct idpf_adapter *adapter); void idpf_intr_rel(struct idpf_adapter *adapter); +int idpf_send_destroy_vport_msg(struct idpf_vport *vport); int idpf_send_dealloc_vectors_msg(struct idpf_adapter *adapter); int idpf_send_alloc_vectors_msg(struct idpf_adapter *adapter, u16 num_vectors); +void idpf_deinit_task(struct idpf_adapter *adapter); int idpf_get_vec_ids(struct idpf_adapter *adapter, u16 *vecids, int num_vecids, struct virtchnl2_vector_chunks *chunks); @@ -303,5 +602,13 @@ int idpf_recv_mb_msg(struct idpf_adapter *adapter, u32 op, void *msg, int msg_size); int idpf_send_mb_msg(struct idpf_adapter *adapter, u32 op, u16 msg_size, u8 *msg); +int idpf_vport_alloc_max_qs(struct idpf_adapter *adapter, + struct idpf_vport_max_q *max_q); +void idpf_vport_dealloc_max_qs(struct idpf_adapter *adapter, + struct idpf_vport_max_q *max_q); +void idpf_vport_init(struct idpf_vport *vport, struct idpf_vport_max_q *max_q); +u32 idpf_get_vport_id(struct idpf_vport *vport); +int idpf_send_create_vport_msg(struct idpf_adapter *adapter, + struct idpf_vport_max_q *max_q); #endif /* !_IDPF_H_ */ |