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_MIN_RQ_DESCS 64 16 17 /* 1400 series VICs and prior all have 4K max, after that it's in the config */ 18 #define ENIC_LEGACY_MAX_WQ_DESCS 4096 19 #define ENIC_LEGACY_MAX_RQ_DESCS 4096 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 60 struct enic; 61 62 int enic_get_vnic_config(struct enic *); 63 int enic_set_nic_cfg(struct enic *enic, uint8_t rss_default_cpu, 64 uint8_t rss_hash_type, uint8_t rss_hash_bits, 65 uint8_t rss_base_cpu, uint8_t rss_enable, 66 uint8_t tso_ipid_split_en, uint8_t ig_vlan_strip_en); 67 int enic_set_rss_key(struct enic *enic, dma_addr_t key_pa, uint64_t len); 68 int enic_set_rss_cpu(struct enic *enic, dma_addr_t cpu_pa, uint64_t len); 69 void enic_get_res_counts(struct enic *enic); 70 void enic_init_vnic_resources(struct enic *enic); 71 int enic_alloc_vnic_resources(struct enic *); 72 void enic_free_vnic_resources(struct enic *); 73 74 #endif /* _ENIC_RES_H_ */ 75