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.
9 #include "wq_enet_desc.h"
10 #include "rq_enet_desc.h"
14 #define min_t(type, x, y) ({ \
17 __min1 < __min2 ? __min1 : __min2; })
19 #define max_t(type, x, y) ({ \
22 __max1 > __max2 ? __max1 : __max2; })
24 #define ENIC_MIN_WQ_DESCS 64
25 #define ENIC_MAX_WQ_DESCS 4096
26 #define ENIC_MIN_RQ_DESCS 64
27 #define ENIC_MAX_RQ_DESCS 4096
29 /* A descriptor ring has a multiple of 32 descriptors */
30 #define ENIC_ALIGN_DESCS 32
31 #define ENIC_ALIGN_DESCS_MASK ~(ENIC_ALIGN_DESCS - 1)
33 /* Request a completion index every 32 buffers (roughly packets) */
34 #define ENIC_WQ_CQ_THRESH 32
36 #define ENIC_MIN_MTU 68
38 /* Does not include (possible) inserted VLAN tag and FCS */
39 #define ENIC_DEFAULT_RX_MAX_PKT_SIZE 9022
41 /* Does not include (possible) inserted VLAN tag and FCS */
42 #define ENIC_TX_MAX_PKT_SIZE 9208
44 #define ENIC_MULTICAST_PERFECT_FILTERS 32
45 #define ENIC_UNICAST_PERFECT_FILTERS 32
47 #define ENIC_NON_TSO_MAX_DESC 16
48 #define ENIC_DEFAULT_RX_FREE_THRESH 32
49 #define ENIC_TX_XMIT_MAX 64
50 #define ENIC_RX_BURST_MAX 64
52 /* Defaults for dev_info.default_{rx,tx}portconf */
53 #define ENIC_DEFAULT_RX_BURST 32
54 #define ENIC_DEFAULT_RX_RINGS 1
55 #define ENIC_DEFAULT_RX_RING_SIZE 512
56 #define ENIC_DEFAULT_TX_BURST 32
57 #define ENIC_DEFAULT_TX_RINGS 1
58 #define ENIC_DEFAULT_TX_RING_SIZE 512
60 #define ENIC_RSS_DEFAULT_CPU 0
61 #define ENIC_RSS_BASE_CPU 0
62 #define ENIC_RSS_HASH_BITS 7
63 #define ENIC_RSS_RETA_SIZE (1 << ENIC_RSS_HASH_BITS)
64 #define ENIC_RSS_HASH_KEY_SIZE 40
66 #define ENIC_SETTING(enic, f) ((enic->config.flags & VENETF_##f) ? 1 : 0)
70 int enic_get_vnic_config(struct enic *);
71 int enic_set_nic_cfg(struct enic *enic, uint8_t rss_default_cpu,
72 uint8_t rss_hash_type, uint8_t rss_hash_bits,
73 uint8_t rss_base_cpu, uint8_t rss_enable,
74 uint8_t tso_ipid_split_en, uint8_t ig_vlan_strip_en);
75 int enic_set_rss_key(struct enic *enic, dma_addr_t key_pa, uint64_t len);
76 int enic_set_rss_cpu(struct enic *enic, dma_addr_t cpu_pa, uint64_t len);
77 void enic_get_res_counts(struct enic *enic);
78 void enic_init_vnic_resources(struct enic *enic);
79 int enic_alloc_vnic_resources(struct enic *);
80 void enic_free_vnic_resources(struct enic *);
82 #endif /* _ENIC_RES_H_ */