1 /* SPDX-License-Identifier: GPL-2.0 */
2 /* Copyright(c) 2017 - 2019 Pensando Systems, Inc */
3 
4 #ifndef _IONIC_RX_FILTER_H_
5 #define _IONIC_RX_FILTER_H_
6 
7 #define IONIC_RXQ_INDEX_ANY		(0xFFFF)
8 
9 enum ionic_filter_state {
10 	IONIC_FILTER_STATE_SYNCED,
11 	IONIC_FILTER_STATE_NEW,
12 	IONIC_FILTER_STATE_OLD,
13 };
14 
15 struct ionic_rx_filter {
16 	u32 flow_id;
17 	u32 filter_id;
18 	u16 rxq_index;
19 	enum ionic_filter_state state;
20 	struct ionic_rx_filter_add_cmd cmd;
21 	struct hlist_node by_hash;
22 	struct hlist_node by_id;
23 };
24 
25 #define IONIC_RX_FILTER_HASH_BITS	10
26 #define IONIC_RX_FILTER_HLISTS		BIT(IONIC_RX_FILTER_HASH_BITS)
27 #define IONIC_RX_FILTER_HLISTS_MASK	(IONIC_RX_FILTER_HLISTS - 1)
28 struct ionic_rx_filters {
29 	spinlock_t lock;				    /* filter list lock */
30 	struct hlist_head by_hash[IONIC_RX_FILTER_HLISTS];  /* by skb hash */
31 	struct hlist_head by_id[IONIC_RX_FILTER_HLISTS];    /* by filter_id */
32 };
33 
34 void ionic_rx_filter_free(struct ionic_lif *lif, struct ionic_rx_filter *f);
35 void ionic_rx_filter_replay(struct ionic_lif *lif);
36 int ionic_rx_filters_init(struct ionic_lif *lif);
37 void ionic_rx_filters_deinit(struct ionic_lif *lif);
38 int ionic_rx_filter_save(struct ionic_lif *lif, u32 flow_id, u16 rxq_index,
39 			 u32 hash, struct ionic_admin_ctx *ctx,
40 			 enum ionic_filter_state state);
41 struct ionic_rx_filter *ionic_rx_filter_by_vlan(struct ionic_lif *lif, u16 vid);
42 struct ionic_rx_filter *ionic_rx_filter_by_addr(struct ionic_lif *lif, const u8 *addr);
43 struct ionic_rx_filter *ionic_rx_filter_rxsteer(struct ionic_lif *lif);
44 void ionic_rx_filter_sync(struct ionic_lif *lif);
45 int ionic_lif_list_addr(struct ionic_lif *lif, const u8 *addr, bool mode);
46 int ionic_lif_vlan_add(struct ionic_lif *lif, const u16 vid);
47 int ionic_lif_vlan_del(struct ionic_lif *lif, const u16 vid);
48 
49 #endif /* _IONIC_RX_FILTER_H_ */
50