Commit 44af4b62 authored by Pavan Chebbi's avatar Pavan Chebbi Committed by Jakub Kicinski
Browse files

bnxt_en: Restore all the user created L2 and ntuple filters 



Walk the usr_fltr_list and call firmware to add these filters when
we open the NIC.  This will restore all user created filters after
reset.

Reviewed-by: default avatarAndy Gospodarek <andrew.gospodarek@broadcom.com>
Signed-off-by: default avatarPavan Chebbi <pavan.chebbi@broadcom.com>
Signed-off-by: default avatarMichael Chan <michael.chan@broadcom.com>
Link: https://lore.kernel.org/r/20240205223202.25341-11-michael.chan@broadcom.com


Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parent 25041467

drivers/net/ethernet/broadcom/bnxt/bnxt.c

+38 −2
Original line number Diff line number Diff line
@@ -5853,7 +5853,6 @@ static void bnxt_hwrm_clear_vnic_filter(struct bnxt *bp) 
			struct bnxt_l2_filter *fltr = vnic->l2_filters[j];



			bnxt_hwrm_l2_filter_free(bp, fltr);

			if (list_empty(&fltr->base.list))

			bnxt_del_l2_filter(bp, fltr);

		}

		vnic->uc_filter_count = 0;
@@ -11538,6 +11537,42 @@ static int bnxt_reinit_after_abort(struct bnxt *bp) 
	return rc;

}



static void bnxt_cfg_one_usr_fltr(struct bnxt *bp, struct bnxt_filter_base *fltr)

{

	struct bnxt_ntuple_filter *ntp_fltr;

	struct bnxt_l2_filter *l2_fltr;



	if (list_empty(&fltr->list))

		return;



	if (fltr->type == BNXT_FLTR_TYPE_NTUPLE) {

		ntp_fltr = container_of(fltr, struct bnxt_ntuple_filter, base);

		l2_fltr = bp->vnic_info[0].l2_filters[0];

		atomic_inc(&l2_fltr->refcnt);

		ntp_fltr->l2_fltr = l2_fltr;

		if (bnxt_hwrm_cfa_ntuple_filter_alloc(bp, ntp_fltr)) {

			bnxt_del_ntp_filter(bp, ntp_fltr);

			netdev_err(bp->dev, "restoring previously configured ntuple filter id %d failed\n",

				   fltr->sw_id);

		}

	} else if (fltr->type == BNXT_FLTR_TYPE_L2) {

		l2_fltr = container_of(fltr, struct bnxt_l2_filter, base);

		if (bnxt_hwrm_l2_filter_alloc(bp, l2_fltr)) {

			bnxt_del_l2_filter(bp, l2_fltr);

			netdev_err(bp->dev, "restoring previously configured l2 filter id %d failed\n",

				   fltr->sw_id);

		}

	}

}



static void bnxt_cfg_usr_fltrs(struct bnxt *bp)

{

	struct bnxt_filter_base *usr_fltr, *tmp;



	list_for_each_entry_safe(usr_fltr, tmp, &bp->usr_fltr_list, list)

		bnxt_cfg_one_usr_fltr(bp, usr_fltr);

}



static int __bnxt_open_nic(struct bnxt *bp, bool irq_re_init, bool link_re_init)

{

	int rc = 0;
@@ -11624,6 +11659,7 @@ static int __bnxt_open_nic(struct bnxt *bp, bool irq_re_init, bool link_re_init) 
		bnxt_vf_reps_open(bp);

	bnxt_ptp_init_rtc(bp, true);

	bnxt_ptp_cfg_tstamp_filters(bp);

	bnxt_cfg_usr_fltrs(bp);

	return 0;



open_err_irq: