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ionic: update filter id after replay

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When we replay the rx filters after a fw-upgrade we get new
filter_id values from the FW, which we need to save and update
in our local filter list.  This allows us to delete the filters
with the correct filter_id when we're done.

Fixes: 7e4d47596b ("ionic: replay filters after fw upgrade")
Signed-off-by: Shannon Nelson <snelson@pensando.io>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Shannon Nelson 2020-07-20 16:00:15 -07:00 committed by David S. Miller
parent cbec2153a9
commit cc4428c4de
1 changed files with 24 additions and 0 deletions
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24
drivers/net/ethernet/pensando/ionic/ionic_rx_filter.c
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@ -21,13 +21,16 @@ void ionic_rx_filter_free(struct ionic_lif *lif, struct ionic_rx_filter *f)
void ionic_rx_filter_replay(struct ionic_lif *lif)
{
struct ionic_rx_filter_add_cmd *ac;
struct hlist_head new_id_list;
struct ionic_admin_ctx ctx;
struct ionic_rx_filter *f;
struct hlist_head *head;
struct hlist_node *tmp;
unsigned int key;
unsigned int i;
int err;
INIT_HLIST_HEAD(&new_id_list);
ac = &ctx.cmd.rx_filter_add;
for (i = 0; i < IONIC_RX_FILTER_HLISTS; i++) {
@ -58,9 +61,30 @@ void ionic_rx_filter_replay(struct ionic_lif *lif)
ac->mac.addr);
break;
}
spin_lock_bh(&lif->rx_filters.lock);
ionic_rx_filter_free(lif, f);
spin_unlock_bh(&lif->rx_filters.lock);
continue;
}
/* remove from old id list, save new id in tmp list */
spin_lock_bh(&lif->rx_filters.lock);
hlist_del(&f->by_id);
spin_unlock_bh(&lif->rx_filters.lock);
f->filter_id = le32_to_cpu(ctx.comp.rx_filter_add.filter_id);
hlist_add_head(&f->by_id, &new_id_list);
}
}
/* rebuild the by_id hash lists with the new filter ids */
spin_lock_bh(&lif->rx_filters.lock);
hlist_for_each_entry_safe(f, tmp, &new_id_list, by_id) {
key = f->filter_id & IONIC_RX_FILTER_HLISTS_MASK;
head = &lif->rx_filters.by_id[key];
hlist_add_head(&f->by_id, head);
}
spin_unlock_bh(&lif->rx_filters.lock);
}
int ionic_rx_filters_init(struct ionic_lif *lif)