net/enic: move min/max macros

[dpdk.git] / drivers / net / enic / enic_res.h

diff --git a/drivers/net/enic/enic_res.h b/drivers/net/enic/enic_res.h
index 955db71..b3bd4b2 100644 (file)
--- a/drivers/net/enic/enic_res.h
+++ b/drivers/net/enic/enic_res.h
@@ -1,35 +1,6 @@
-/*
- * 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.
- *
  */
 
 #ifndef _ENIC_RES_H_
@@ -40,34 +11,69 @@
 #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_POST_THRESH            (ENIC_MIN_WQ_DESCS / 2)
+#define ENIC_TX_XMIT_MAX               64
+#define ENIC_RX_BURST_MAX              64
 
-#define ENIC_SETTING(enic, f) ((enic->config.flags & VENETF_##f) ? 1 : 0)
+/* 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)
 
 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 *);