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/*
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* Copyright (c) 2001-2020 Mellanox Technologies, Ltd. All rights reserved.
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*
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* This software is available to you under a choice of one of two
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* licenses. You may choose to be licensed under the terms of the GNU
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* General Public License (GPL) Version 2, available from the file
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* COPYING in the main directory of this source tree, or the
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* BSD license below:
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*
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* Redistribution and use in source and binary forms, with or
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* without modification, are permitted provided that the following
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* conditions are met:
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*
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* - Redistributions of source code must retain the above
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* copyright notice, this list of conditions and the following
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* disclaimer.
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*
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* - Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials
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* provided with the distribution.
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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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#include <dev/ring_profile.h>
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ring_profiles_collection *g_p_ring_profile = NULL;
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ring_profile::ring_profile(const vma_ring_type_attr *ring_desc) {
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m_ring_desc.comp_mask = ring_desc->comp_mask;
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m_ring_desc.ring_type = ring_desc->ring_type;
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switch (ring_desc->ring_type) {
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case VMA_RING_CYCLIC_BUFFER: {
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vma_cyclic_buffer_ring_attr &r = m_ring_desc.ring_cyclicb;
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memset(&r, 0, sizeof(m_ring_desc.ring_cyclicb));
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r.comp_mask = ring_desc->ring_cyclicb.comp_mask;
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r.num = ring_desc->ring_cyclicb.num;
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r.stride_bytes = ring_desc->ring_cyclicb.stride_bytes;
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r.packet_receive_mode = ring_desc->ring_cyclicb.packet_receive_mode;
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if (r.comp_mask & VMA_CB_HDR_BYTE) {
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r.hdr_bytes = ring_desc->ring_cyclicb.hdr_bytes;
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}
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break;
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}
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case VMA_RING_PACKET:
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m_ring_desc.ring_pktq.comp_mask = ring_desc->ring_pktq.comp_mask;
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break;
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case VMA_RING_EXTERNAL_MEM:
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m_ring_desc.ring_ext.comp_mask = ring_desc->ring_ext.comp_mask;
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break;
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default:
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break;
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}
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create_string();
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};
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const char* ring_profile::get_vma_ring_type_str()
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{
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switch (m_ring_desc.ring_type) {
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case VMA_RING_PACKET: return "VMA_PKTS_RING";
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case VMA_RING_CYCLIC_BUFFER: return "VMA_CB_RING";
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case VMA_RING_EXTERNAL_MEM: return "VMA_EXTERNAL_MEM_RING";
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default: return "";
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}
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};
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ring_profile::ring_profile()
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{
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m_ring_desc.ring_type = VMA_RING_PACKET;
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m_ring_desc.comp_mask = 0;
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m_ring_desc.ring_pktq.comp_mask = 0;
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create_string();
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};
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void ring_profile::create_string()
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{
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ostringstream s;
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s<
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if (m_ring_desc.ring_type == VMA_RING_CYCLIC_BUFFER) {
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s<<" packets_num:"<
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<<" stride_bytes:"<
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<<" hdr size:"<
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}
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m_str = s.str();
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}
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bool ring_profile::operator==(const vma_ring_type_attr &p2)
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{
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ring_profile other(&p2;;
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return (m_str.compare(other.to_str()) == 0);
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}
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ring_profiles_collection::ring_profiles_collection(): m_curr_idx(START_RING_INDEX) {
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}
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vma_ring_profile_key ring_profiles_collection::add_profile(vma_ring_type_attr *profile)
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{
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// first check if this profile exists
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ring_profile_map_t::iterator it = m_profs_map.begin();
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for (;it != m_profs_map.end(); it++) {
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if (*it->second == *profile) {
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return it->first;
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}
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}
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// key 0 is invalid
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vma_ring_profile_key key = m_curr_idx;
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m_curr_idx++;
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ring_profile *prof = new ring_profile(profile);
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m_profs_map[key] = prof;
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return key;
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}
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ring_profile* ring_profiles_collection::get_profile(vma_ring_profile_key key)
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{
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ring_profile_map_t::iterator iter = m_profs_map.find(key);
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if (iter != m_profs_map.end()) {
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return iter->second;
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}
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return NULL;
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}
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ring_profiles_collection::~ring_profiles_collection()
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{
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ring_profile_map_t::iterator iter;
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while ((iter = m_profs_map.begin()) != m_profs_map.end()) {
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delete (iter->second);
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m_profs_map.erase(iter);
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}
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}
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