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153 lines
4.9 KiB
153 lines
4.9 KiB
/* |
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* Copyright 2008-2010 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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* This program is free software; you may redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; version 2 of the License. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS |
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN |
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
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* SOFTWARE. |
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* |
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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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#define ENIC_MIN_MTU ETH_MIN_MTU |
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#define ENIC_MAX_MTU 9000 |
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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_SETTING(enic, f) ((enic->config.flags & VENETF_##f) ? 1 : 0) |
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static inline void enic_queue_wq_desc_ex(struct vnic_wq *wq, |
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void *os_buf, dma_addr_t dma_addr, unsigned int len, |
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unsigned int mss_or_csum_offset, unsigned int hdr_len, |
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int vlan_tag_insert, unsigned int vlan_tag, |
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int offload_mode, int cq_entry, int sop, int eop, int loopback) |
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{ |
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struct wq_enet_desc *desc = vnic_wq_next_desc(wq); |
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u8 desc_skip_cnt = 1; |
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u8 compressed_send = 0; |
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u64 wrid = 0; |
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wq_enet_desc_enc(desc, |
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(u64)dma_addr | VNIC_PADDR_TARGET, |
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(u16)len, |
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(u16)mss_or_csum_offset, |
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(u16)hdr_len, (u8)offload_mode, |
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(u8)eop, (u8)cq_entry, |
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0, /* fcoe_encap */ |
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(u8)vlan_tag_insert, |
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(u16)vlan_tag, |
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(u8)loopback); |
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vnic_wq_post(wq, os_buf, dma_addr, len, sop, eop, desc_skip_cnt, |
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(u8)cq_entry, compressed_send, wrid); |
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} |
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static inline void enic_queue_wq_desc_cont(struct vnic_wq *wq, |
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void *os_buf, dma_addr_t dma_addr, unsigned int len, |
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int eop, int loopback) |
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{ |
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enic_queue_wq_desc_ex(wq, os_buf, dma_addr, len, |
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0, 0, 0, 0, 0, |
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eop, 0 /* !SOP */, eop, loopback); |
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} |
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static inline void enic_queue_wq_desc(struct vnic_wq *wq, void *os_buf, |
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dma_addr_t dma_addr, unsigned int len, int vlan_tag_insert, |
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unsigned int vlan_tag, int eop, int loopback) |
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{ |
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enic_queue_wq_desc_ex(wq, os_buf, dma_addr, len, |
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0, 0, vlan_tag_insert, vlan_tag, |
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WQ_ENET_OFFLOAD_MODE_CSUM, |
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eop, 1 /* SOP */, eop, loopback); |
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} |
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static inline void enic_queue_wq_desc_csum(struct vnic_wq *wq, |
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void *os_buf, dma_addr_t dma_addr, unsigned int len, |
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int ip_csum, int tcpudp_csum, int vlan_tag_insert, |
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unsigned int vlan_tag, int eop, int loopback) |
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{ |
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enic_queue_wq_desc_ex(wq, os_buf, dma_addr, len, |
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(ip_csum ? 1 : 0) + (tcpudp_csum ? 2 : 0), |
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0, vlan_tag_insert, vlan_tag, |
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WQ_ENET_OFFLOAD_MODE_CSUM, |
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eop, 1 /* SOP */, eop, loopback); |
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} |
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static inline void enic_queue_wq_desc_csum_l4(struct vnic_wq *wq, |
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void *os_buf, dma_addr_t dma_addr, unsigned int len, |
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unsigned int csum_offset, unsigned int hdr_len, |
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int vlan_tag_insert, unsigned int vlan_tag, int eop, int loopback) |
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{ |
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enic_queue_wq_desc_ex(wq, os_buf, dma_addr, len, |
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csum_offset, hdr_len, vlan_tag_insert, vlan_tag, |
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WQ_ENET_OFFLOAD_MODE_CSUM_L4, |
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eop, 1 /* SOP */, eop, loopback); |
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} |
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static inline void enic_queue_wq_desc_tso(struct vnic_wq *wq, |
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void *os_buf, dma_addr_t dma_addr, unsigned int len, |
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unsigned int mss, unsigned int hdr_len, int vlan_tag_insert, |
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unsigned int vlan_tag, int eop, int loopback) |
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{ |
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enic_queue_wq_desc_ex(wq, os_buf, dma_addr, len, |
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mss, hdr_len, vlan_tag_insert, vlan_tag, |
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WQ_ENET_OFFLOAD_MODE_TSO, |
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eop, 1 /* SOP */, eop, loopback); |
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} |
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static inline void enic_queue_rq_desc(struct vnic_rq *rq, |
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void *os_buf, unsigned int os_buf_index, |
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dma_addr_t dma_addr, unsigned int len) |
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{ |
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struct rq_enet_desc *desc = vnic_rq_next_desc(rq); |
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u64 wrid = 0; |
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u8 type = os_buf_index ? |
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RQ_ENET_TYPE_NOT_SOP : RQ_ENET_TYPE_ONLY_SOP; |
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rq_enet_desc_enc(desc, |
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(u64)dma_addr | VNIC_PADDR_TARGET, |
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type, (u16)len); |
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vnic_rq_post(rq, os_buf, os_buf_index, dma_addr, len, wrid); |
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} |
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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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