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// SPDX-License-Identifier: GPL-2.0-or-later
/*
* RDMA Transport Layer
*
* Copyright (c) 2014 - 2018 ProfitBricks GmbH. All rights reserved.
* Copyright (c) 2018 - 2019 1&1 IONOS Cloud GmbH. All rights reserved.
* Copyright (c) 2019 - 2020 1&1 IONOS SE. All rights reserved.
*/
#undef pr_fmt
#define pr_fmt(fmt) KBUILD_MODNAME " L" __stringify(__LINE__) ": " fmt
#include "rtrs-srv.h"
int rtrs_srv_reset_rdma_stats(struct rtrs_srv_stats *stats, bool enable)
{
if (enable) {
int cpu;
struct rtrs_srv_stats_rdma_stats *r;
for_each_possible_cpu(cpu) {
r = per_cpu_ptr(stats->rdma_stats, cpu);
memset(r, 0, sizeof(*r));
}
return 0;
}
return -EINVAL;
}
ssize_t rtrs_srv_stats_rdma_to_str(struct rtrs_srv_stats *stats, char *page)
{
int cpu;
struct rtrs_srv_stats_rdma_stats sum;
struct rtrs_srv_stats_rdma_stats *r;
memset(&sum, 0, sizeof(sum));
for_each_possible_cpu(cpu) {
r = per_cpu_ptr(stats->rdma_stats, cpu);
sum.dir[READ].cnt += r->dir[READ].cnt;
sum.dir[READ].size_total += r->dir[READ].size_total;
sum.dir[WRITE].cnt += r->dir[WRITE].cnt;
sum.dir[WRITE].size_total += r->dir[WRITE].size_total;
}
return sysfs_emit(page, "%llu %llu %llu %llu\n",
sum.dir[READ].cnt, sum.dir[READ].size_total,
sum.dir[WRITE].cnt, sum.dir[WRITE].size_total);
}
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