intel/ice/ice_eswitch.c

18  * device's VSI index to the corresponding eswitch ctrl VSI queue.
25 	xa_for_each(&pf->eswitch.reprs, id, repr) {
37  * device's VSI index to the corresponding eswitch ctrl VSI queue.
41 	struct ice_vsi *ctrl_vsi = pf->eswitch.control_vsi;
67 		dev_err(ice_pf_to_dev(pf), "Unable to add slow-path rule for eswitch for PR %d",
81 	xa_for_each(&pf->eswitch.reprs, id, repr) {
93  * ice_eswitch_setup_env - configure eswitch HW filters
101 	struct ice_vsi *uplink_vsi = pf->eswitch.uplink_vsi;
102 	struct ice_vsi *ctrl_vsi = pf->eswitch.control_vsi;
155  * ice_eswitch_remap_rings_to_vectors - reconfigure rings of eswitch ctrl VSI
156  * @eswitch: pointer to eswitch struct
158  * In eswitch number of allocated Tx/Rx rings is equal.
165 static void ice_eswitch_remap_rings_to_vectors(struct ice_eswitch *eswitch)
167 	struct ice_vsi *vsi = eswitch->control_vsi;
177 		repr = xa_find(&eswitch->reprs, &repr_id, U32_MAX,
239 	struct ice_vsi *ctrl_vsi = pf->eswitch.control_vsi;
292 	repr = xa_load(&pf->eswitch.reprs, repr_id);
345  * ice_eswitch_set_target_vsi - set eswitch context in Tx context descriptor
368  * ice_eswitch_release_env - clear eswitch HW filters
376 	struct ice_vsi *uplink_vsi = pf->eswitch.uplink_vsi;
377 	struct ice_vsi *ctrl_vsi = pf->eswitch.control_vsi;
393  * ice_eswitch_vsi_setup - configure eswitch control VSI
436  * ice_eswitch_enable_switchdev - configure eswitch in switchdev mode
453 	pf->eswitch.control_vsi = ice_eswitch_vsi_setup(pf, pf->hw.port_info);
454 	if (!pf->eswitch.control_vsi)
457 	ctrl_vsi = pf->eswitch.control_vsi;
459 	pf->eswitch.qs.value = 1;
460 	pf->eswitch.uplink_vsi = uplink_vsi;
468 	pf->eswitch.is_running = true;
480  * ice_eswitch_disable_switchdev - disable eswitch resources
485 	struct ice_vsi *ctrl_vsi = pf->eswitch.control_vsi;
491 	pf->eswitch.is_running = false;
492 	pf->eswitch.qs.is_reaching = false;
496  * ice_eswitch_mode_set - set new eswitch mode
498  * @mode: eswitch mode to switch to
511 		dev_info(ice_pf_to_dev(pf), "Changing eswitch mode is allowed only if there is no VFs created");
512 		NL_SET_ERR_MSG_MOD(extack, "Changing eswitch mode is allowed only if there is no VFs created");
518 		dev_info(ice_pf_to_dev(pf), "PF %d changed eswitch mode to legacy",
520 		xa_destroy(&pf->eswitch.reprs);
521 		NL_SET_ERR_MSG_MOD(extack, "Changed eswitch mode to legacy");
526 			dev_err(ice_pf_to_dev(pf), "Couldn't change eswitch mode to switchdev - ADQ is active. Delete ADQ configs and try again, e.g. tc qdisc del dev $PF root");
527 			NL_SET_ERR_MSG_MOD(extack, "Couldn't change eswitch mode to switchdev - ADQ is active. Delete ADQ configs and try again, e.g. tc qdisc del dev $PF root");
531 		dev_info(ice_pf_to_dev(pf), "PF %d changed eswitch mode to switchdev",
533 		xa_init_flags(&pf->eswitch.reprs, XA_FLAGS_ALLOC);
534 		NL_SET_ERR_MSG_MOD(extack, "Changed eswitch mode to switchdev");
538 		NL_SET_ERR_MSG_MOD(extack, "Unknown eswitch mode");
547  * ice_eswitch_mode_get - get current eswitch mode
549  * @mode: output parameter for current eswitch mode
560  * ice_is_eswitch_mode_switchdev - check if eswitch mode is set to switchdev
563  * Returns true if eswitch mode is set to DEVLINK_ESWITCH_MODE_SWITCHDEV,
583 	xa_for_each(&pf->eswitch.reprs, id, repr)
599 	xa_for_each(&pf->eswitch.reprs, id, repr)
607 	ice_eswitch_napi_disable(&pf->eswitch.reprs);
612 	ice_eswitch_napi_enable(&pf->eswitch.reprs);
618 ice_eswitch_cp_change_queues(struct ice_eswitch *eswitch, int change)
620 	struct ice_vsi *cp = eswitch->control_vsi;
623 	if (eswitch->qs.is_reaching) {
624 		if (eswitch->qs.to_reach >= eswitch->qs.value + change) {
625 			queues = eswitch->qs.to_reach;
626 			eswitch->qs.is_reaching = false;
630 	} else if ((change > 0 && cp->alloc_txq <= eswitch->qs.value) ||
646 	eswitch->qs.value += change;
647 	ice_eswitch_remap_rings_to_vectors(eswitch);
660 	if (xa_empty(&pf->eswitch.reprs)) {
665 		pf->eswitch.qs.to_reach -= 1;
681 	err = xa_alloc(&pf->eswitch.reprs, &repr->id, repr,
688 	ice_eswitch_cp_change_queues(&pf->eswitch, change);
698 	if (xa_empty(&pf->eswitch.reprs))
707 	struct ice_repr *repr = xa_load(&pf->eswitch.reprs, vf->repr_id);
714 	xa_erase(&pf->eswitch.reprs, repr->id);
716 	if (xa_empty(&pf->eswitch.reprs))
719 		ice_eswitch_cp_change_queues(&pf->eswitch, -1);
724 	if (xa_empty(&pf->eswitch.reprs)) {
738  * ice_eswitch_rebuild - rebuild eswitch
750 	err = ice_vsi_rebuild(pf->eswitch.control_vsi, ICE_VSI_FLAG_INIT);
754 	xa_for_each(&pf->eswitch.reprs, id, repr)
769 	if (pf->eswitch.qs.value + change < 0)
772 	pf->eswitch.qs.to_reach = pf->eswitch.qs.value + change;
773 	pf->eswitch.qs.is_reaching = true;