diff options
| author | Shannon Nelson <snelson@pensando.io> | 2019-09-03 15:28:13 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2019-09-05 09:24:43 +0200 |
| commit | c1e329ebec8d0895942e292b64e432b33c93a173 (patch) | |
| tree | 00c265d7995d2f2abaf6560e0b71b0330ad7406f /drivers/net/ethernet/pensando/ionic/ionic_rx_filter.h | |
| parent | beead698b1736dfa4061dd2e3fe3efef6d0c49b4 (diff) | |
ionic: Add management of rx filters
Set up the infrastructure for managing Rx filters. We can't ask the
hardware for what filters it has, so we keep a local list of filters
that we've pushed into the HW.
Signed-off-by: Shannon Nelson <snelson@pensando.io>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/pensando/ionic/ionic_rx_filter.h')
| -rw-r--r-- | drivers/net/ethernet/pensando/ionic/ionic_rx_filter.h | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/drivers/net/ethernet/pensando/ionic/ionic_rx_filter.h b/drivers/net/ethernet/pensando/ionic/ionic_rx_filter.h new file mode 100644 index 000000000000..b6aec9c19918 --- /dev/null +++ b/drivers/net/ethernet/pensando/ionic/ionic_rx_filter.h @@ -0,0 +1,35 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* Copyright(c) 2017 - 2019 Pensando Systems, Inc */ + +#ifndef _IONIC_RX_FILTER_H_ +#define _IONIC_RX_FILTER_H_ + +#define IONIC_RXQ_INDEX_ANY (0xFFFF) +struct ionic_rx_filter { + u32 flow_id; + u32 filter_id; + u16 rxq_index; + struct ionic_rx_filter_add_cmd cmd; + struct hlist_node by_hash; + struct hlist_node by_id; +}; + +#define IONIC_RX_FILTER_HASH_BITS 10 +#define IONIC_RX_FILTER_HLISTS BIT(IONIC_RX_FILTER_HASH_BITS) +#define IONIC_RX_FILTER_HLISTS_MASK (IONIC_RX_FILTER_HLISTS - 1) +struct ionic_rx_filters { + spinlock_t lock; /* filter list lock */ + struct hlist_head by_hash[IONIC_RX_FILTER_HLISTS]; /* by skb hash */ + struct hlist_head by_id[IONIC_RX_FILTER_HLISTS]; /* by filter_id */ +}; + +void ionic_rx_filter_free(struct ionic_lif *lif, struct ionic_rx_filter *f); +int ionic_rx_filter_del(struct ionic_lif *lif, struct ionic_rx_filter *f); +int ionic_rx_filters_init(struct ionic_lif *lif); +void ionic_rx_filters_deinit(struct ionic_lif *lif); +int ionic_rx_filter_save(struct ionic_lif *lif, u32 flow_id, u16 rxq_index, + u32 hash, struct ionic_admin_ctx *ctx); +struct ionic_rx_filter *ionic_rx_filter_by_vlan(struct ionic_lif *lif, u16 vid); +struct ionic_rx_filter *ionic_rx_filter_by_addr(struct ionic_lif *lif, const u8 *addr); + +#endif /* _IONIC_RX_FILTER_H_ */ |