X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fenic%2Fenic_res.h;h=34f15d5a428ebb79bb213a06cf91b3b1cb63d2df;hb=3c334fcd9e565258667ec052550ab023d0fc9adb;hp=49f7e22d4ff8653834671f950d495d7ae3339645;hpb=da44259fbf272bcd0b17a64709280454eb402b62;p=dpdk.git diff --git a/drivers/net/enic/enic_res.h b/drivers/net/enic/enic_res.h index 49f7e22d4f..34f15d5a42 100644 --- 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_ @@ -45,120 +16,54 @@ #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 *);