[PATCH net-next 6/9] ionic: generic filter delete
From: Shannon Nelson <hidden>
Date: 2021-10-09 18:45:44
Subsystem:
networking drivers, pensando ethernet drivers, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Brett Creeley, Linus Torvalds
Similar to the filter add, make a generic filter delete. Signed-off-by: Shannon Nelson <redacted> --- .../ethernet/pensando/ionic/ionic_rx_filter.c | 35 +++++++++++++------ 1 file changed, 25 insertions(+), 10 deletions(-)
diff --git a/drivers/net/ethernet/pensando/ionic/ionic_rx_filter.c b/drivers/net/ethernet/pensando/ionic/ionic_rx_filter.c
index 10837e41f819..40a12b9df982 100644
--- a/drivers/net/ethernet/pensando/ionic/ionic_rx_filter.c
+++ b/drivers/net/ethernet/pensando/ionic/ionic_rx_filter.c@@ -413,7 +413,8 @@ int ionic_lif_addr_add(struct ionic_lif *lif, const u8 *addr) return ionic_lif_filter_add(lif, &ac); } -int ionic_lif_addr_del(struct ionic_lif *lif, const u8 *addr) +static int ionic_lif_filter_del(struct ionic_lif *lif, + struct ionic_rx_filter_add_cmd *ac) { struct ionic_admin_ctx ctx = { .work = COMPLETION_INITIALIZER_ONSTACK(ctx.work),
@@ -427,24 +428,27 @@ int ionic_lif_addr_del(struct ionic_lif *lif, const u8 *addr) int err; spin_lock_bh(&lif->rx_filters.lock); - f = ionic_rx_filter_by_addr(lif, addr); + f = ionic_rx_filter_find(lif, ac); if (!f) { spin_unlock_bh(&lif->rx_filters.lock); return -ENOENT; } - netdev_dbg(lif->netdev, "rx_filter del ADDR %pM (id %d)\n", - addr, f->filter_id); + switch (le16_to_cpu(ac->match)) { + case IONIC_RX_FILTER_MATCH_MAC: + netdev_dbg(lif->netdev, "%s: rx_filter del ADDR %pM id %d\n", + __func__, ac->mac.addr, f->filter_id); + if (is_multicast_ether_addr(ac->mac.addr) && lif->nmcast) + lif->nmcast--; + else if (!is_multicast_ether_addr(ac->mac.addr) && lif->nucast) + lif->nucast--; + break; + } state = f->state; ctx.cmd.rx_filter_del.filter_id = cpu_to_le32(f->filter_id); ionic_rx_filter_free(lif, f); - if (is_multicast_ether_addr(addr) && lif->nmcast) - lif->nmcast--; - else if (!is_multicast_ether_addr(addr) && lif->nucast) - lif->nucast--; - spin_unlock_bh(&lif->rx_filters.lock); if (state != IONIC_FILTER_STATE_NEW) {
@@ -456,6 +460,17 @@ int ionic_lif_addr_del(struct ionic_lif *lif, const u8 *addr) return 0; } +int ionic_lif_addr_del(struct ionic_lif *lif, const u8 *addr) +{ + struct ionic_rx_filter_add_cmd ac = { + .match = cpu_to_le16(IONIC_RX_FILTER_MATCH_MAC), + }; + + memcpy(&ac.mac.addr, addr, ETH_ALEN); + + return ionic_lif_filter_del(lif, &ac); +} + struct sync_item { struct list_head list; struct ionic_rx_filter f;
@@ -510,7 +525,7 @@ void ionic_rx_filter_sync(struct ionic_lif *lif) * they can clear room for some new filters */ list_for_each_entry_safe(sync_item, spos, &sync_del_list, list) { - (void)ionic_lif_addr_del(lif, sync_item->f.cmd.mac.addr); + (void)ionic_lif_filter_del(lif, &sync_item->f.cmd); list_del(&sync_item->list); devm_kfree(dev, sync_item);
--
2.17.1