35e2cb6a17
Add an optimized Rx handler for non-scattered Rx. Signed-off-by: Hyong Youb Kim <hyonkim@cisco.com> Signed-off-by: John Daley <johndale@cisco.com>
75 lines
2.3 KiB
C
75 lines
2.3 KiB
C
/* SPDX-License-Identifier: BSD-3-Clause
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* Copyright 2008-2017 Cisco Systems, Inc. All rights reserved.
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* Copyright 2007 Nuova Systems, Inc. All rights reserved.
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*/
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#ifndef _ENIC_RES_H_
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#define _ENIC_RES_H_
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#include "wq_enet_desc.h"
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#include "rq_enet_desc.h"
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#include "vnic_wq.h"
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#include "vnic_rq.h"
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#define ENIC_MIN_WQ_DESCS 64
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#define ENIC_MAX_WQ_DESCS 4096
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#define ENIC_MIN_RQ_DESCS 64
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#define ENIC_MAX_RQ_DESCS 4096
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/* A descriptor ring has a multiple of 32 descriptors */
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#define ENIC_ALIGN_DESCS 32
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#define ENIC_ALIGN_DESCS_MASK ~(ENIC_ALIGN_DESCS - 1)
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/* Request a completion index every 32 buffers (roughly packets) */
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#define ENIC_WQ_CQ_THRESH 32
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#define ENIC_MIN_MTU 68
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/* Does not include (possible) inserted VLAN tag and FCS */
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#define ENIC_DEFAULT_RX_MAX_PKT_SIZE 9022
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/* Does not include (possible) inserted VLAN tag and FCS */
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#define ENIC_TX_MAX_PKT_SIZE 9208
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#define ENIC_MULTICAST_PERFECT_FILTERS 32
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#define ENIC_UNICAST_PERFECT_FILTERS 32
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#define ENIC_NON_TSO_MAX_DESC 16
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#define ENIC_DEFAULT_RX_FREE_THRESH 32
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#define ENIC_TX_XMIT_MAX 64
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#define ENIC_RX_BURST_MAX 64
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/* Defaults for dev_info.default_{rx,tx}portconf */
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#define ENIC_DEFAULT_RX_BURST 32
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#define ENIC_DEFAULT_RX_RINGS 1
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#define ENIC_DEFAULT_RX_RING_SIZE 512
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#define ENIC_DEFAULT_TX_BURST 32
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#define ENIC_DEFAULT_TX_RINGS 1
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#define ENIC_DEFAULT_TX_RING_SIZE 512
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#define ENIC_RSS_DEFAULT_CPU 0
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#define ENIC_RSS_BASE_CPU 0
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#define ENIC_RSS_HASH_BITS 7
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#define ENIC_RSS_RETA_SIZE (1 << ENIC_RSS_HASH_BITS)
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#define ENIC_RSS_HASH_KEY_SIZE 40
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#define ENIC_SETTING(enic, f) ((enic->config.flags & VENETF_##f) ? 1 : 0)
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struct enic;
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int enic_get_vnic_config(struct enic *);
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int enic_add_vlan(struct enic *enic, u16 vlanid);
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int enic_del_vlan(struct enic *enic, u16 vlanid);
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int enic_set_nic_cfg(struct enic *enic, u8 rss_default_cpu, u8 rss_hash_type,
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u8 rss_hash_bits, u8 rss_base_cpu, u8 rss_enable, u8 tso_ipid_split_en,
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u8 ig_vlan_strip_en);
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int enic_set_rss_key(struct enic *enic, dma_addr_t key_pa, u64 len);
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int enic_set_rss_cpu(struct enic *enic, dma_addr_t cpu_pa, u64 len);
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void enic_get_res_counts(struct enic *enic);
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void enic_init_vnic_resources(struct enic *enic);
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int enic_alloc_vnic_resources(struct enic *);
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void enic_free_vnic_resources(struct enic *);
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#endif /* _ENIC_RES_H_ */
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