intel/ice/ice.h

1 /* SPDX-License-Identifier: GPL-2.0 */
19 #include <linux/dma-mapping.h>
82 #define ICE_RES_MISC_VEC_ID	(ICE_RES_VALID_BIT - 1)
92 #define ICE_MAX_MTU	(ICE_AQ_SET_MAC_FRAME_SIZE_MAX - ICE_ETH_PKT_HDR_PAD)
98 #define ICE_TX_DESC(R, i) (&(((struct ice_tx_desc *)((R)->desc))[i]))
99 #define ICE_RX_DESC(R, i) (&(((union ice_32b_rx_flex_desc *)((R)->desc))[i]))
100 #define ICE_TX_CTX_DESC(R, i) (&(((struct ice_tx_ctx_desc *)((R)->desc))[i]))
101 #define ICE_TX_FDIRDESC(R, i) (&(((struct ice_fltr_desc *)((R)->desc))[i]))
105 	for ((i) = 0; (i) < (pf)->num_alloc_vsi; (i)++)
107 /* Macros for each Tx/Rx ring in a VSI */
109 	for ((i) = 0; (i) < (vsi)->num_txq; (i)++)
112 	for ((i) = 0; (i) < (vsi)->num_rxq; (i)++)
114 /* Macros for each allocated Tx/Rx ring whether used or not in a VSI */
116 	for ((i) = 0; (i) < (vsi)->alloc_txq; (i)++)
119 	for ((i) = 0; (i) < (vsi)->alloc_rxq; (i)++)
122 	for ((i) = 0; (i) < (vsi)->num_q_vectors; (i)++)
141 #define ice_pf_to_dev(pf) (&((pf)->pdev->dev))
144 	u32 q_teid;	/* Tx-scheduler element identifier */
146 	u16 q_handle;	/* Relative index of Tx queue within TC */
147 	u16 vsi_idx;	/* VSI index that Tx queue belongs to */
148 	u8 tc;		/* TC number that Tx queue belongs to */
160 	u8 ena_tc; /* Tx map */
171 	struct mutex *qs_mutex;  /* will be assigned to &pf->avail_q_mutex */
204 	/* When checking for the PF to be in a nominal operating state, the
205 	 * bits that are grouped at the beginning of the list need to be
207 	 * be checked. If you need to add a bit into consideration for nominal
243 	struct ice_pf *back;		 /* back pointer to PF */
244 	struct ice_port_info *port_info; /* back pointer to port_info */
246 	struct ice_ring **tx_rings;	 /* Tx ring array */
264 	u16 idx;			/* software index in pf->vsi[] */
266 	s16 vf_id;			/* VF ID for SR-IOV VSIs */
274 	u16 rss_size;		/* Allocated RSS queues */
277 	u8 rss_lut_type;	/* used to configure Get/Set RSS LUT AQ call */
281 #define ICE_ARFS_LST_MASK	(ICE_MAX_ARFS_LIST - 1)
301 	struct list_head tmp_sync_list;		/* MAC filters to be synced */
302 	struct list_head tmp_unsync_list;	/* MAC filters to be unsynced */
313 	u16 *txq_map;			 /* index in pf->avail_txqs */
314 	u16 *rxq_map;			 /* index in pf->avail_rxqs */
315 	u16 alloc_txq;			 /* Allocated Tx queues */
316 	u16 num_txq;			 /* Used Tx queues */
317 	u16 alloc_rxq;			 /* Allocated Rx queues */
318 	u16 num_rxq;			 /* Used Rx queues */
319 	u16 req_txq;			 /* User requested Tx queues */
320 	u16 req_rxq;			 /* User requested Rx queues */
326 	u16 num_xdp_txq;		 /* Used XDP queues */
337 	u16 v_idx;			/* index in the vsi->q_vector array. */
340 	u8 num_ring_tx;			/* total number of Tx rings in vector */
342 	/* in usecs, need to use ice_intrl_to_usecs_reg() before writing this
343 	 * value to the device
350 	struct ice_ring_container tx;  member
388 	/* First MSIX vector used by SR-IOV VFs. Calculated by subtracting the
389 	 * number of MSIX vectors needed for all SR-IOV VFs from the number of
394 	u16 ctrl_vsi_idx;		/* control VSI index in pf->vsi array */
398 	/* Virtchnl/SR-IOV config info */
404 	/* used to ratelimit the MDD event logging */
408 	unsigned long *avail_txqs;	/* bitmap to track PF Tx queue usage */
409 	unsigned long *avail_rxqs;	/* bitmap to track PF Rx queue usage */
414 	struct mutex avail_q_mutex;	/* protects access to avail_[rx|tx]qs */
416 	struct mutex tc_mutex;		/* lock to protect TC changes */
419 	/* spinlock to protect the AdminQ wait list */
427 	u16 max_pf_txqs;	/* Total Tx queues PF wide */
428 	u16 max_pf_rxqs;	/* Total Rx queues PF wide */
430 	u16 num_lan_tx;		/* num LAN Tx queues setup */
431 	u16 num_lan_rx;		/* num LAN Rx queues setup */
432 	u16 next_vsi;		/* Next free slot in pf->vsi[] - 0-based! */
464  * ice_irq_dynamic_ena - Enable default interrupt generation settings
465  * @hw: pointer to HW struct
466  * @vsi: pointer to VSI struct, can be NULL
467  * @q_vector: pointer to q_vector, can be NULL
473 	u32 vector = (vsi && q_vector) ? q_vector->reg_idx :  in ice_irq_dynamic_ena()
474 				((struct ice_pf *)hw->back)->oicr_idx;  in ice_irq_dynamic_ena()
478 	/* clear the PBA here, as this function is meant to clean out all  in ice_irq_dynamic_ena()
484 		if (test_bit(__ICE_DOWN, vsi->state))  in ice_irq_dynamic_ena()
490  * ice_netdev_to_pf - Retrieve the PF struct associated with a netdev
491  * @netdev: pointer to the netdev struct
497 	return np->vsi->back;  in ice_netdev_to_pf()
502 	return !!vsi->xdp_prog;  in ice_is_xdp_ena_vsi()
507 	ring->flags |= ICE_TX_FLAGS_RING_XDP;  in ice_set_ring_xdp()
511  * ice_xsk_pool - get XSK buffer pool bound to a ring
512  * @ring: ring to use
514  * Returns a pointer to xdp_umem structure if there is a buffer pool present,
519 	struct xsk_buff_pool **pools = ring->vsi->xsk_pools;  in ice_xsk_pool()
520 	u16 qid = ring->q_index;  in ice_xsk_pool()
523 		qid -= ring->vsi->num_xdp_txq;  in ice_xsk_pool()
525 	if (qid >= ring->vsi->num_xsk_pools || !pools || !pools[qid] ||  in ice_xsk_pool()
526 	    !ice_is_xdp_ena_vsi(ring->vsi))  in ice_xsk_pool()
533  * ice_get_main_vsi - Get the PF VSI
536  * returns pf->vsi[0], which by definition is the PF VSI
540 	if (pf->vsi)  in ice_get_main_vsi()
541 		return pf->vsi[0];  in ice_get_main_vsi()
547  * ice_get_ctrl_vsi - Get the control VSI
552 	/* if pf->ctrl_vsi_idx is ICE_NO_VSI, control VSI was not set up */  in ice_get_ctrl_vsi()
553 	if (!pf->vsi || pf->ctrl_vsi_idx == ICE_NO_VSI)  in ice_get_ctrl_vsi()
556 	return pf->vsi[pf->ctrl_vsi_idx];  in ice_get_ctrl_vsi()