diff options
Diffstat (limited to 'net/smc')
| -rw-r--r-- | net/smc/Kconfig | 1 | ||||
| -rw-r--r-- | net/smc/smc_stats.h | 14 |
2 files changed, 10 insertions, 5 deletions
diff --git a/net/smc/Kconfig b/net/smc/Kconfig index 1ab3c5a2c5ad..746be3996768 100644 --- a/net/smc/Kconfig +++ b/net/smc/Kconfig @@ -2,6 +2,7 @@ config SMC tristate "SMC socket protocol family" depends on INET && INFINIBAND + depends on m || ISM != m help SMC-R provides a "sockets over RDMA" solution making use of RDMA over Converged Ethernet (RoCE) technology to upgrade diff --git a/net/smc/smc_stats.h b/net/smc/smc_stats.h index aa8928975cc6..9d32058db2b5 100644 --- a/net/smc/smc_stats.h +++ b/net/smc/smc_stats.h @@ -92,13 +92,14 @@ do { \ typeof(_smc_stats) stats = (_smc_stats); \ typeof(_tech) t = (_tech); \ typeof(_len) l = (_len); \ - int _pos = fls64((l) >> 13); \ + int _pos; \ typeof(_rc) r = (_rc); \ int m = SMC_BUF_MAX - 1; \ this_cpu_inc((*stats).smc[t].key ## _cnt); \ - if (r <= 0) \ + if (r <= 0 || l <= 0) \ break; \ - _pos = (_pos < m) ? ((l == 1 << (_pos + 12)) ? _pos - 1 : _pos) : m; \ + _pos = fls64((l - 1) >> 13); \ + _pos = (_pos <= m) ? _pos : m; \ this_cpu_inc((*stats).smc[t].key ## _pd.buf[_pos]); \ this_cpu_add((*stats).smc[t].key ## _bytes, r); \ } \ @@ -138,9 +139,12 @@ while (0) do { \ typeof(_len) _l = (_len); \ typeof(_tech) t = (_tech); \ - int _pos = fls((_l) >> 13); \ + int _pos; \ int m = SMC_BUF_MAX - 1; \ - _pos = (_pos < m) ? ((_l == 1 << (_pos + 12)) ? _pos - 1 : _pos) : m; \ + if (_l <= 0) \ + break; \ + _pos = fls((_l - 1) >> 13); \ + _pos = (_pos <= m) ? _pos : m; \ this_cpu_inc((*(_smc_stats)).smc[t].k ## _rmbsize.buf[_pos]); \ } \ while (0) |