mirror of
https://github.com/torvalds/linux.git
synced 2024-11-27 14:41:39 +00:00
194730a9be
Make the gathered SMC statistics network namespace aware, for each namespace collect an own set of statistic information. Signed-off-by: Guvenc Gulce <guvenc@linux.ibm.com> Signed-off-by: Karsten Graul <kgraul@linux.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
267 lines
7.4 KiB
C
267 lines
7.4 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
/*
|
|
* Shared Memory Communications over RDMA (SMC-R) and RoCE
|
|
*
|
|
* Macros for SMC statistics
|
|
*
|
|
* Copyright IBM Corp. 2021
|
|
*
|
|
* Author(s): Guvenc Gulce
|
|
*/
|
|
|
|
#ifndef NET_SMC_SMC_STATS_H_
|
|
#define NET_SMC_SMC_STATS_H_
|
|
#include <linux/init.h>
|
|
#include <linux/mutex.h>
|
|
#include <linux/percpu.h>
|
|
#include <linux/ctype.h>
|
|
#include <linux/smc.h>
|
|
|
|
#include "smc_clc.h"
|
|
|
|
#define SMC_MAX_FBACK_RSN_CNT 30
|
|
|
|
enum {
|
|
SMC_BUF_8K,
|
|
SMC_BUF_16K,
|
|
SMC_BUF_32K,
|
|
SMC_BUF_64K,
|
|
SMC_BUF_128K,
|
|
SMC_BUF_256K,
|
|
SMC_BUF_512K,
|
|
SMC_BUF_1024K,
|
|
SMC_BUF_G_1024K,
|
|
SMC_BUF_MAX,
|
|
};
|
|
|
|
struct smc_stats_fback {
|
|
int fback_code;
|
|
u16 count;
|
|
};
|
|
|
|
struct smc_stats_rsn {
|
|
struct smc_stats_fback srv[SMC_MAX_FBACK_RSN_CNT];
|
|
struct smc_stats_fback clnt[SMC_MAX_FBACK_RSN_CNT];
|
|
u64 srv_fback_cnt;
|
|
u64 clnt_fback_cnt;
|
|
};
|
|
|
|
struct smc_stats_rmbcnt {
|
|
u64 buf_size_small_peer_cnt;
|
|
u64 buf_size_small_cnt;
|
|
u64 buf_full_peer_cnt;
|
|
u64 buf_full_cnt;
|
|
u64 reuse_cnt;
|
|
u64 alloc_cnt;
|
|
u64 dgrade_cnt;
|
|
};
|
|
|
|
struct smc_stats_memsize {
|
|
u64 buf[SMC_BUF_MAX];
|
|
};
|
|
|
|
struct smc_stats_tech {
|
|
struct smc_stats_memsize tx_rmbsize;
|
|
struct smc_stats_memsize rx_rmbsize;
|
|
struct smc_stats_memsize tx_pd;
|
|
struct smc_stats_memsize rx_pd;
|
|
struct smc_stats_rmbcnt rmb_tx;
|
|
struct smc_stats_rmbcnt rmb_rx;
|
|
u64 clnt_v1_succ_cnt;
|
|
u64 clnt_v2_succ_cnt;
|
|
u64 srv_v1_succ_cnt;
|
|
u64 srv_v2_succ_cnt;
|
|
u64 sendpage_cnt;
|
|
u64 urg_data_cnt;
|
|
u64 splice_cnt;
|
|
u64 cork_cnt;
|
|
u64 ndly_cnt;
|
|
u64 rx_bytes;
|
|
u64 tx_bytes;
|
|
u64 rx_cnt;
|
|
u64 tx_cnt;
|
|
};
|
|
|
|
struct smc_stats {
|
|
struct smc_stats_tech smc[2];
|
|
u64 clnt_hshake_err_cnt;
|
|
u64 srv_hshake_err_cnt;
|
|
};
|
|
|
|
#define SMC_STAT_PAYLOAD_SUB(_smc_stats, _tech, key, _len, _rc) \
|
|
do { \
|
|
typeof(_smc_stats) stats = (_smc_stats); \
|
|
typeof(_tech) t = (_tech); \
|
|
typeof(_len) l = (_len); \
|
|
int _pos = fls64((l) >> 13); \
|
|
typeof(_rc) r = (_rc); \
|
|
int m = SMC_BUF_MAX - 1; \
|
|
this_cpu_inc((*stats).smc[t].key ## _cnt); \
|
|
if (r <= 0) \
|
|
break; \
|
|
_pos = (_pos < m) ? ((l == 1 << (_pos + 12)) ? _pos - 1 : _pos) : m; \
|
|
this_cpu_inc((*stats).smc[t].key ## _pd.buf[_pos]); \
|
|
this_cpu_add((*stats).smc[t].key ## _bytes, r); \
|
|
} \
|
|
while (0)
|
|
|
|
#define SMC_STAT_TX_PAYLOAD(_smc, length, rcode) \
|
|
do { \
|
|
typeof(_smc) __smc = _smc; \
|
|
struct net *_net = sock_net(&__smc->sk); \
|
|
struct smc_stats __percpu *_smc_stats = _net->smc.smc_stats; \
|
|
typeof(length) _len = (length); \
|
|
typeof(rcode) _rc = (rcode); \
|
|
bool is_smcd = !__smc->conn.lnk; \
|
|
if (is_smcd) \
|
|
SMC_STAT_PAYLOAD_SUB(_smc_stats, SMC_TYPE_D, tx, _len, _rc); \
|
|
else \
|
|
SMC_STAT_PAYLOAD_SUB(_smc_stats, SMC_TYPE_R, tx, _len, _rc); \
|
|
} \
|
|
while (0)
|
|
|
|
#define SMC_STAT_RX_PAYLOAD(_smc, length, rcode) \
|
|
do { \
|
|
typeof(_smc) __smc = _smc; \
|
|
struct net *_net = sock_net(&__smc->sk); \
|
|
struct smc_stats __percpu *_smc_stats = _net->smc.smc_stats; \
|
|
typeof(length) _len = (length); \
|
|
typeof(rcode) _rc = (rcode); \
|
|
bool is_smcd = !__smc->conn.lnk; \
|
|
if (is_smcd) \
|
|
SMC_STAT_PAYLOAD_SUB(_smc_stats, SMC_TYPE_D, rx, _len, _rc); \
|
|
else \
|
|
SMC_STAT_PAYLOAD_SUB(_smc_stats, SMC_TYPE_R, rx, _len, _rc); \
|
|
} \
|
|
while (0)
|
|
|
|
#define SMC_STAT_RMB_SIZE_SUB(_smc_stats, _tech, k, _len) \
|
|
do { \
|
|
typeof(_len) _l = (_len); \
|
|
typeof(_tech) t = (_tech); \
|
|
int _pos = fls((_l) >> 13); \
|
|
int m = SMC_BUF_MAX - 1; \
|
|
_pos = (_pos < m) ? ((_l == 1 << (_pos + 12)) ? _pos - 1 : _pos) : m; \
|
|
this_cpu_inc((*(_smc_stats)).smc[t].k ## _rmbsize.buf[_pos]); \
|
|
} \
|
|
while (0)
|
|
|
|
#define SMC_STAT_RMB_SUB(_smc_stats, type, t, key) \
|
|
this_cpu_inc((*(_smc_stats)).smc[t].rmb ## _ ## key.type ## _cnt)
|
|
|
|
#define SMC_STAT_RMB_SIZE(_smc, _is_smcd, _is_rx, _len) \
|
|
do { \
|
|
struct net *_net = sock_net(&(_smc)->sk); \
|
|
struct smc_stats __percpu *_smc_stats = _net->smc.smc_stats; \
|
|
typeof(_is_smcd) is_d = (_is_smcd); \
|
|
typeof(_is_rx) is_r = (_is_rx); \
|
|
typeof(_len) l = (_len); \
|
|
if ((is_d) && (is_r)) \
|
|
SMC_STAT_RMB_SIZE_SUB(_smc_stats, SMC_TYPE_D, rx, l); \
|
|
if ((is_d) && !(is_r)) \
|
|
SMC_STAT_RMB_SIZE_SUB(_smc_stats, SMC_TYPE_D, tx, l); \
|
|
if (!(is_d) && (is_r)) \
|
|
SMC_STAT_RMB_SIZE_SUB(_smc_stats, SMC_TYPE_R, rx, l); \
|
|
if (!(is_d) && !(is_r)) \
|
|
SMC_STAT_RMB_SIZE_SUB(_smc_stats, SMC_TYPE_R, tx, l); \
|
|
} \
|
|
while (0)
|
|
|
|
#define SMC_STAT_RMB(_smc, type, _is_smcd, _is_rx) \
|
|
do { \
|
|
struct net *net = sock_net(&(_smc)->sk); \
|
|
struct smc_stats __percpu *_smc_stats = net->smc.smc_stats; \
|
|
typeof(_is_smcd) is_d = (_is_smcd); \
|
|
typeof(_is_rx) is_r = (_is_rx); \
|
|
if ((is_d) && (is_r)) \
|
|
SMC_STAT_RMB_SUB(_smc_stats, type, SMC_TYPE_D, rx); \
|
|
if ((is_d) && !(is_r)) \
|
|
SMC_STAT_RMB_SUB(_smc_stats, type, SMC_TYPE_D, tx); \
|
|
if (!(is_d) && (is_r)) \
|
|
SMC_STAT_RMB_SUB(_smc_stats, type, SMC_TYPE_R, rx); \
|
|
if (!(is_d) && !(is_r)) \
|
|
SMC_STAT_RMB_SUB(_smc_stats, type, SMC_TYPE_R, tx); \
|
|
} \
|
|
while (0)
|
|
|
|
#define SMC_STAT_BUF_REUSE(smc, is_smcd, is_rx) \
|
|
SMC_STAT_RMB(smc, reuse, is_smcd, is_rx)
|
|
|
|
#define SMC_STAT_RMB_ALLOC(smc, is_smcd, is_rx) \
|
|
SMC_STAT_RMB(smc, alloc, is_smcd, is_rx)
|
|
|
|
#define SMC_STAT_RMB_DOWNGRADED(smc, is_smcd, is_rx) \
|
|
SMC_STAT_RMB(smc, dgrade, is_smcd, is_rx)
|
|
|
|
#define SMC_STAT_RMB_TX_PEER_FULL(smc, is_smcd) \
|
|
SMC_STAT_RMB(smc, buf_full_peer, is_smcd, false)
|
|
|
|
#define SMC_STAT_RMB_TX_FULL(smc, is_smcd) \
|
|
SMC_STAT_RMB(smc, buf_full, is_smcd, false)
|
|
|
|
#define SMC_STAT_RMB_TX_PEER_SIZE_SMALL(smc, is_smcd) \
|
|
SMC_STAT_RMB(smc, buf_size_small_peer, is_smcd, false)
|
|
|
|
#define SMC_STAT_RMB_TX_SIZE_SMALL(smc, is_smcd) \
|
|
SMC_STAT_RMB(smc, buf_size_small, is_smcd, false)
|
|
|
|
#define SMC_STAT_RMB_RX_SIZE_SMALL(smc, is_smcd) \
|
|
SMC_STAT_RMB(smc, buf_size_small, is_smcd, true)
|
|
|
|
#define SMC_STAT_RMB_RX_FULL(smc, is_smcd) \
|
|
SMC_STAT_RMB(smc, buf_full, is_smcd, true)
|
|
|
|
#define SMC_STAT_INC(_smc, type) \
|
|
do { \
|
|
typeof(_smc) __smc = _smc; \
|
|
bool is_smcd = !(__smc)->conn.lnk; \
|
|
struct net *net = sock_net(&(__smc)->sk); \
|
|
struct smc_stats __percpu *smc_stats = net->smc.smc_stats; \
|
|
if ((is_smcd)) \
|
|
this_cpu_inc(smc_stats->smc[SMC_TYPE_D].type); \
|
|
else \
|
|
this_cpu_inc(smc_stats->smc[SMC_TYPE_R].type); \
|
|
} \
|
|
while (0)
|
|
|
|
#define SMC_STAT_CLNT_SUCC_INC(net, _aclc) \
|
|
do { \
|
|
typeof(_aclc) acl = (_aclc); \
|
|
bool is_v2 = (acl->hdr.version == SMC_V2); \
|
|
bool is_smcd = (acl->hdr.typev1 == SMC_TYPE_D); \
|
|
struct smc_stats __percpu *smc_stats = (net)->smc.smc_stats; \
|
|
if (is_v2 && is_smcd) \
|
|
this_cpu_inc(smc_stats->smc[SMC_TYPE_D].clnt_v2_succ_cnt); \
|
|
else if (is_v2 && !is_smcd) \
|
|
this_cpu_inc(smc_stats->smc[SMC_TYPE_R].clnt_v2_succ_cnt); \
|
|
else if (!is_v2 && is_smcd) \
|
|
this_cpu_inc(smc_stats->smc[SMC_TYPE_D].clnt_v1_succ_cnt); \
|
|
else if (!is_v2 && !is_smcd) \
|
|
this_cpu_inc(smc_stats->smc[SMC_TYPE_R].clnt_v1_succ_cnt); \
|
|
} \
|
|
while (0)
|
|
|
|
#define SMC_STAT_SERV_SUCC_INC(net, _ini) \
|
|
do { \
|
|
typeof(_ini) i = (_ini); \
|
|
bool is_v2 = (i->smcd_version & SMC_V2); \
|
|
bool is_smcd = (i->is_smcd); \
|
|
typeof(net->smc.smc_stats) smc_stats = (net)->smc.smc_stats; \
|
|
if (is_v2 && is_smcd) \
|
|
this_cpu_inc(smc_stats->smc[SMC_TYPE_D].srv_v2_succ_cnt); \
|
|
else if (is_v2 && !is_smcd) \
|
|
this_cpu_inc(smc_stats->smc[SMC_TYPE_R].srv_v2_succ_cnt); \
|
|
else if (!is_v2 && is_smcd) \
|
|
this_cpu_inc(smc_stats->smc[SMC_TYPE_D].srv_v1_succ_cnt); \
|
|
else if (!is_v2 && !is_smcd) \
|
|
this_cpu_inc(smc_stats->smc[SMC_TYPE_R].srv_v1_succ_cnt); \
|
|
} \
|
|
while (0)
|
|
|
|
int smc_nl_get_stats(struct sk_buff *skb, struct netlink_callback *cb);
|
|
int smc_nl_get_fback_stats(struct sk_buff *skb, struct netlink_callback *cb);
|
|
int smc_stats_init(struct net *net);
|
|
void smc_stats_exit(struct net *net);
|
|
|
|
#endif /* NET_SMC_SMC_STATS_H_ */
|