-/*
- * Copyright 2008-2010 Cisco Systems, Inc. All rights reserved.
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright 2008-2017 Cisco Systems, Inc. All rights reserved.
* Copyright 2007 Nuova Systems, Inc. All rights reserved.
- *
- * Copyright (c) 2014, Cisco Systems, Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
- * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
- * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
- * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
- * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE.
- *
*/
-#ident "$Id: enic_res.h 173137 2014-05-16 03:27:22Z sanpilla $"
#ifndef _ENIC_RES_H_
#define _ENIC_RES_H_
#include "vnic_wq.h"
#include "vnic_rq.h"
+#define min_t(type, x, y) ({ \
+ type __min1 = (x); \
+ type __min2 = (y); \
+ __min1 < __min2 ? __min1 : __min2; })
+
+#define max_t(type, x, y) ({ \
+ type __max1 = (x); \
+ type __max2 = (y); \
+ __max1 > __max2 ? __max1 : __max2; })
+
#define ENIC_MIN_WQ_DESCS 64
#define ENIC_MAX_WQ_DESCS 4096
#define ENIC_MIN_RQ_DESCS 64
#define ENIC_MAX_RQ_DESCS 4096
+/* A descriptor ring has a multiple of 32 descriptors */
+#define ENIC_ALIGN_DESCS 32
+#define ENIC_ALIGN_DESCS_MASK ~(ENIC_ALIGN_DESCS - 1)
+
+/* Request a completion index every 32 buffers (roughly packets) */
+#define ENIC_WQ_CQ_THRESH 32
+
#define ENIC_MIN_MTU 68
-#define ENIC_MAX_MTU 9000
+
+/* Does not include (possible) inserted VLAN tag and FCS */
+#define ENIC_DEFAULT_RX_MAX_PKT_SIZE 9022
+
+/* Does not include (possible) inserted VLAN tag and FCS */
+#define ENIC_TX_MAX_PKT_SIZE 9208
#define ENIC_MULTICAST_PERFECT_FILTERS 32
#define ENIC_UNICAST_PERFECT_FILTERS 32
#define ENIC_NON_TSO_MAX_DESC 16
+#define ENIC_DEFAULT_RX_FREE_THRESH 32
+#define ENIC_TX_XMIT_MAX 64
+#define ENIC_RX_BURST_MAX 64
+
+/* Defaults for dev_info.default_{rx,tx}portconf */
+#define ENIC_DEFAULT_RX_BURST 32
+#define ENIC_DEFAULT_RX_RINGS 1
+#define ENIC_DEFAULT_RX_RING_SIZE 512
+#define ENIC_DEFAULT_TX_BURST 32
+#define ENIC_DEFAULT_TX_RINGS 1
+#define ENIC_DEFAULT_TX_RING_SIZE 512
+
+#define ENIC_RSS_DEFAULT_CPU 0
+#define ENIC_RSS_BASE_CPU 0
+#define ENIC_RSS_HASH_BITS 7
+#define ENIC_RSS_RETA_SIZE (1 << ENIC_RSS_HASH_BITS)
+#define ENIC_RSS_HASH_KEY_SIZE 40
#define ENIC_SETTING(enic, f) ((enic->config.flags & VENETF_##f) ? 1 : 0)
-static inline void enic_queue_wq_desc_ex(struct vnic_wq *wq,
- void *os_buf, dma_addr_t dma_addr, unsigned int len,
- unsigned int mss_or_csum_offset, unsigned int hdr_len,
- int vlan_tag_insert, unsigned int vlan_tag,
- int offload_mode, int cq_entry, int sop, int eop, int loopback)
-{
- struct wq_enet_desc *desc = vnic_wq_next_desc(wq);
- u8 desc_skip_cnt = 1;
- u8 compressed_send = 0;
- u64 wrid = 0;
-
- wq_enet_desc_enc(desc,
- (u64)dma_addr | VNIC_PADDR_TARGET,
- (u16)len,
- (u16)mss_or_csum_offset,
- (u16)hdr_len, (u8)offload_mode,
- (u8)eop, (u8)cq_entry,
- 0, /* fcoe_encap */
- (u8)vlan_tag_insert,
- (u16)vlan_tag,
- (u8)loopback);
-
- vnic_wq_post(wq, os_buf, dma_addr, len, sop, eop, desc_skip_cnt,
- (u8)cq_entry, compressed_send, wrid);
-}
-
-static inline void enic_queue_wq_desc_cont(struct vnic_wq *wq,
- void *os_buf, dma_addr_t dma_addr, unsigned int len,
- int eop, int loopback)
-{
- enic_queue_wq_desc_ex(wq, os_buf, dma_addr, len,
- 0, 0, 0, 0, 0,
- eop, 0 /* !SOP */, eop, loopback);
-}
-
-static inline void enic_queue_wq_desc(struct vnic_wq *wq, void *os_buf,
- dma_addr_t dma_addr, unsigned int len, int vlan_tag_insert,
- unsigned int vlan_tag, int eop, int loopback)
-{
- enic_queue_wq_desc_ex(wq, os_buf, dma_addr, len,
- 0, 0, vlan_tag_insert, vlan_tag,
- WQ_ENET_OFFLOAD_MODE_CSUM,
- eop, 1 /* SOP */, eop, loopback);
-}
-
-static inline void enic_queue_wq_desc_csum(struct vnic_wq *wq,
- void *os_buf, dma_addr_t dma_addr, unsigned int len,
- int ip_csum, int tcpudp_csum, int vlan_tag_insert,
- unsigned int vlan_tag, int eop, int loopback)
-{
- enic_queue_wq_desc_ex(wq, os_buf, dma_addr, len,
- (ip_csum ? 1 : 0) + (tcpudp_csum ? 2 : 0),
- 0, vlan_tag_insert, vlan_tag,
- WQ_ENET_OFFLOAD_MODE_CSUM,
- eop, 1 /* SOP */, eop, loopback);
-}
-
-static inline void enic_queue_wq_desc_csum_l4(struct vnic_wq *wq,
- void *os_buf, dma_addr_t dma_addr, unsigned int len,
- unsigned int csum_offset, unsigned int hdr_len,
- int vlan_tag_insert, unsigned int vlan_tag, int eop, int loopback)
-{
- enic_queue_wq_desc_ex(wq, os_buf, dma_addr, len,
- csum_offset, hdr_len, vlan_tag_insert, vlan_tag,
- WQ_ENET_OFFLOAD_MODE_CSUM_L4,
- eop, 1 /* SOP */, eop, loopback);
-}
-
-static inline void enic_queue_wq_desc_tso(struct vnic_wq *wq,
- void *os_buf, dma_addr_t dma_addr, unsigned int len,
- unsigned int mss, unsigned int hdr_len, int vlan_tag_insert,
- unsigned int vlan_tag, int eop, int loopback)
-{
- enic_queue_wq_desc_ex(wq, os_buf, dma_addr, len,
- mss, hdr_len, vlan_tag_insert, vlan_tag,
- WQ_ENET_OFFLOAD_MODE_TSO,
- eop, 1 /* SOP */, eop, loopback);
-}
-static inline void enic_queue_rq_desc(struct vnic_rq *rq,
- void *os_buf, unsigned int os_buf_index,
- dma_addr_t dma_addr, unsigned int len)
-{
- struct rq_enet_desc *desc = vnic_rq_next_desc(rq);
- u64 wrid = 0;
- u8 type = os_buf_index ?
- RQ_ENET_TYPE_NOT_SOP : RQ_ENET_TYPE_ONLY_SOP;
-
- rq_enet_desc_enc(desc,
- (u64)dma_addr | VNIC_PADDR_TARGET,
- type, (u16)len);
-
- vnic_rq_post(rq, os_buf, os_buf_index, dma_addr, len, wrid);
-}
-
struct enic;
int enic_get_vnic_config(struct enic *);
-int enic_add_vlan(struct enic *enic, u16 vlanid);
-int enic_del_vlan(struct enic *enic, u16 vlanid);
-int enic_set_nic_cfg(struct enic *enic, u8 rss_default_cpu, u8 rss_hash_type,
- u8 rss_hash_bits, u8 rss_base_cpu, u8 rss_enable, u8 tso_ipid_split_en,
- u8 ig_vlan_strip_en);
-int enic_set_rss_key(struct enic *enic, dma_addr_t key_pa, u64 len);
-int enic_set_rss_cpu(struct enic *enic, dma_addr_t cpu_pa, u64 len);
+int enic_set_nic_cfg(struct enic *enic, uint8_t rss_default_cpu,
+ uint8_t rss_hash_type, uint8_t rss_hash_bits,
+ uint8_t rss_base_cpu, uint8_t rss_enable,
+ uint8_t tso_ipid_split_en, uint8_t ig_vlan_strip_en);
+int enic_set_rss_key(struct enic *enic, dma_addr_t key_pa, uint64_t len);
+int enic_set_rss_cpu(struct enic *enic, dma_addr_t cpu_pa, uint64_t len);
void enic_get_res_counts(struct enic *enic);
void enic_init_vnic_resources(struct enic *enic);
int enic_alloc_vnic_resources(struct enic *);
git.droids-corp.org / dpdk.git / blobdiff