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 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
19 /* A descriptor ring has a multiple of 32 descriptors */
20 #define ENIC_ALIGN_DESCS 32
21 #define ENIC_ALIGN_DESCS_MASK ~(ENIC_ALIGN_DESCS - 1)
23 /* Request a completion index every 32 buffers (roughly packets) */
24 #define ENIC_WQ_CQ_THRESH 32
26 #define ENIC_MIN_MTU 68
28 /* Does not include (possible) inserted VLAN tag and FCS */
29 #define ENIC_DEFAULT_RX_MAX_PKT_SIZE 9022
31 /* Does not include (possible) inserted VLAN tag and FCS */
32 #define ENIC_TX_MAX_PKT_SIZE 9208
34 #define ENIC_MULTICAST_PERFECT_FILTERS 32
35 #define ENIC_UNICAST_PERFECT_FILTERS 32
37 #define ENIC_NON_TSO_MAX_DESC 16
38 #define ENIC_DEFAULT_RX_FREE_THRESH 32
39 #define ENIC_TX_XMIT_MAX 64
41 /* Defaults for dev_info.default_{rx,tx}portconf */
42 #define ENIC_DEFAULT_RX_BURST 32
43 #define ENIC_DEFAULT_RX_RINGS 1
44 #define ENIC_DEFAULT_RX_RING_SIZE 512
45 #define ENIC_DEFAULT_TX_BURST 32
46 #define ENIC_DEFAULT_TX_RINGS 1
47 #define ENIC_DEFAULT_TX_RING_SIZE 512
49 #define ENIC_RSS_DEFAULT_CPU 0
50 #define ENIC_RSS_BASE_CPU 0
51 #define ENIC_RSS_HASH_BITS 7
52 #define ENIC_RSS_RETA_SIZE (1 << ENIC_RSS_HASH_BITS)
53 #define ENIC_RSS_HASH_KEY_SIZE 40
55 #define ENIC_SETTING(enic, f) ((enic->config.flags & VENETF_##f) ? 1 : 0)
60 int enic_get_vnic_config(struct enic *);
61 int enic_add_vlan(struct enic *enic, u16 vlanid);
62 int enic_del_vlan(struct enic *enic, u16 vlanid);
63 int enic_set_nic_cfg(struct enic *enic, u8 rss_default_cpu, u8 rss_hash_type,
64 u8 rss_hash_bits, u8 rss_base_cpu, u8 rss_enable, u8 tso_ipid_split_en,
66 int enic_set_rss_key(struct enic *enic, dma_addr_t key_pa, u64 len);
67 int enic_set_rss_cpu(struct enic *enic, dma_addr_t cpu_pa, u64 len);
68 void enic_get_res_counts(struct enic *enic);
69 void enic_init_vnic_resources(struct enic *enic);
70 int enic_alloc_vnic_resources(struct enic *);
71 void enic_free_vnic_resources(struct enic *);
73 #endif /* _ENIC_RES_H_ */