drivers/net/ethernet/pensando/ionic/ionic_rx_filter.h

   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_rx_filters_need_sync(struct ionic_lif *lif);
  47
  48 #endif /* _IONIC_RX_FILTER_H_ */