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bnxt_en: Restore all the user created L2 and ntuple filters

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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: Andy Gospodarek <andrew.gospodarek@broadcom.com>
Signed-off-by: Pavan Chebbi <pavan.chebbi@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Link: https://lore.kernel.org/r/20240205223202.25341-11-michael.chan@broadcom.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Pavan Chebbi 2024-02-05 14:31:59 -08:00 • committed by Jakub Kicinski
parent 25041467d0
commit 44af4b622a
1 changed files with 38 additions and 2 deletions
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40
drivers/net/ethernet/broadcom/bnxt/bnxt.c
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@ -5853,8 +5853,7 @@ 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);
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: