1/* SPDX-License-Identifier: BSD-3-Clause 2 * Copyright 2008-2017 Cisco Systems, Inc. All rights reserved. 3 * Copyright 2007 Nuova Systems, Inc. All rights reserved. 4 */ 5 6#ifndef _ENIC_RES_H_ 7#define _ENIC_RES_H_ 8 9#include "wq_enet_desc.h" 10#include "rq_enet_desc.h" 11#include "vnic_wq.h" 12#include "vnic_rq.h" 13 14#define ENIC_MIN_WQ_DESCS 64 15#define ENIC_MAX_WQ_DESCS 4096 16#define ENIC_MIN_RQ_DESCS 64 17#define ENIC_MAX_RQ_DESCS 4096 18 19#define ENIC_MAX_MULTICAST_ADDRESSES 32 20 21/* A descriptor ring has a multiple of 32 descriptors */ 22#define ENIC_ALIGN_DESCS 32 23#define ENIC_ALIGN_DESCS_MASK ~(ENIC_ALIGN_DESCS - 1) 24 25/* Request a completion index every 32 buffers (roughly packets) */ 26#define ENIC_WQ_CQ_THRESH 32 27 28#define ENIC_MIN_MTU 68 29 30/* Does not include (possible) inserted VLAN tag and FCS */ 31#define ENIC_DEFAULT_RX_MAX_PKT_SIZE 9022 32 33/* Does not include (possible) inserted VLAN tag and FCS */ 34#define ENIC_TX_MAX_PKT_SIZE 9208 35 36#define ENIC_MULTICAST_PERFECT_FILTERS 32 37#define ENIC_UNICAST_PERFECT_FILTERS 32 38 39#define ENIC_NON_TSO_MAX_DESC 16 40#define ENIC_DEFAULT_RX_FREE_THRESH 32 41#define ENIC_TX_XMIT_MAX 64 42#define ENIC_RX_BURST_MAX 64 43 44/* Defaults for dev_info.default_{rx,tx}portconf */ 45#define ENIC_DEFAULT_RX_BURST 32 46#define ENIC_DEFAULT_RX_RINGS 1 47#define ENIC_DEFAULT_RX_RING_SIZE 512 48#define ENIC_DEFAULT_TX_BURST 32 49#define ENIC_DEFAULT_TX_RINGS 1 50#define ENIC_DEFAULT_TX_RING_SIZE 512 51 52#define ENIC_RSS_DEFAULT_CPU 0 53#define ENIC_RSS_BASE_CPU 0 54#define ENIC_RSS_HASH_BITS 7 55#define ENIC_RSS_RETA_SIZE (1 << ENIC_RSS_HASH_BITS) 56#define ENIC_RSS_HASH_KEY_SIZE 40 57 58#define ENIC_SETTING(enic, f) ((enic->config.flags & VENETF_##f) ? 1 : 0) 59 60struct enic; 61 62int enic_get_vnic_config(struct enic *); 63int enic_add_vlan(struct enic *enic, u16 vlanid); 64int enic_del_vlan(struct enic *enic, u16 vlanid); 65int enic_set_nic_cfg(struct enic *enic, u8 rss_default_cpu, u8 rss_hash_type, 66 u8 rss_hash_bits, u8 rss_base_cpu, u8 rss_enable, u8 tso_ipid_split_en, 67 u8 ig_vlan_strip_en); 68void enic_get_res_counts(struct enic *enic); 69void enic_init_vnic_resources(struct enic *enic); 70int enic_alloc_vnic_resources(struct enic *); 71void enic_free_vnic_resources(struct enic *); 72 73#endif /* _ENIC_RES_H_ */ 74