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authorPavan Chebbi <pavan.chebbi@broadcom.com>2024-02-05 14:31:57 -0800
committerJakub Kicinski <kuba@kernel.org>2024-02-09 12:37:41 -0800
commit8336a974f37df3c5512f11c88fc96e122f1f7482 (patch)
tree5c32941ee373f56e87d4ecb3dbcbfec88886f6e4 /drivers/net/ethernet/broadcom/bnxt/bnxt.c
parentbnxt_en: Add separate function to delete the filter structure (diff)
downloadwireguard-linux-8336a974f37df3c5512f11c88fc96e122f1f7482.tar.xz
wireguard-linux-8336a974f37df3c5512f11c88fc96e122f1f7482.zip
bnxt_en: Save user configured filters in a lookup list
Driver needs to maintain a lookup list of all the user configured filters. This is required in order to reconfigure these filters upon interface toggle. We can look up this list to follow the order with which they should be re-applied. 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/20240205223202.25341-9-michael.chan@broadcom.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/net/ethernet/broadcom/bnxt/bnxt.c')
-rw-r--r--drivers/net/ethernet/broadcom/bnxt/bnxt.c23
1 files changed, 23 insertions, 0 deletions
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
index 9fb9c5f4ecbd..a93c35350b4d 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
@@ -4841,9 +4841,26 @@ static void bnxt_clear_ring_indices(struct bnxt *bp)
}
}
+void bnxt_insert_usr_fltr(struct bnxt *bp, struct bnxt_filter_base *fltr)
+{
+ u8 type = fltr->type, flags = fltr->flags;
+
+ INIT_LIST_HEAD(&fltr->list);
+ if ((type == BNXT_FLTR_TYPE_L2 && flags & BNXT_ACT_RING_DST) ||
+ (type == BNXT_FLTR_TYPE_NTUPLE && flags & BNXT_ACT_NO_AGING))
+ list_add_tail(&fltr->list, &bp->usr_fltr_list);
+}
+
+void bnxt_del_one_usr_fltr(struct bnxt *bp, struct bnxt_filter_base *fltr)
+{
+ if (!list_empty(&fltr->list))
+ list_del_init(&fltr->list);
+}
+
static void bnxt_del_fltr(struct bnxt *bp, struct bnxt_filter_base *fltr)
{
hlist_del(&fltr->hash);
+ bnxt_del_one_usr_fltr(bp, fltr);
if (fltr->flags) {
clear_bit(fltr->sw_id, bp->ntp_fltr_bmap);
bp->ntp_fltr_count--;
@@ -5387,6 +5404,7 @@ void bnxt_del_l2_filter(struct bnxt *bp, struct bnxt_l2_filter *fltr)
return;
}
hlist_del_rcu(&fltr->base.hash);
+ bnxt_del_one_usr_fltr(bp, &fltr->base);
if (fltr->base.flags) {
clear_bit(fltr->base.sw_id, bp->ntp_fltr_bmap);
bp->ntp_fltr_count--;
@@ -5533,6 +5551,7 @@ static int bnxt_init_l2_filter(struct bnxt *bp, struct bnxt_l2_filter *fltr,
}
head = &bp->l2_fltr_hash_tbl[idx];
hlist_add_head_rcu(&fltr->base.hash, head);
+ bnxt_insert_usr_fltr(bp, &fltr->base);
set_bit(BNXT_FLTR_INSERTED, &fltr->base.state);
atomic_set(&fltr->refcnt, 1);
return 0;
@@ -13985,6 +14004,7 @@ int bnxt_insert_ntp_filter(struct bnxt *bp, struct bnxt_ntuple_filter *fltr,
head = &bp->ntp_fltr_hash_tbl[idx];
hlist_add_head_rcu(&fltr->base.hash, head);
set_bit(BNXT_FLTR_INSERTED, &fltr->base.state);
+ bnxt_insert_usr_fltr(bp, &fltr->base);
bp->ntp_fltr_count++;
spin_unlock_bh(&bp->ntp_fltr_lock);
return 0;
@@ -14139,6 +14159,7 @@ void bnxt_del_ntp_filter(struct bnxt *bp, struct bnxt_ntuple_filter *fltr)
return;
}
hlist_del_rcu(&fltr->base.hash);
+ bnxt_del_one_usr_fltr(bp, &fltr->base);
bp->ntp_fltr_count--;
spin_unlock_bh(&bp->ntp_fltr_lock);
bnxt_del_l2_filter(bp, fltr->l2_fltr);
@@ -14955,6 +14976,8 @@ static int bnxt_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
if (rc)
goto init_err_dl;
+ INIT_LIST_HEAD(&bp->usr_fltr_list);
+
rc = register_netdev(dev);
if (rc)
goto init_err_cleanup;