diff options
| author | Guangguan Wang <guangguan.wang@linux.alibaba.com> | 2023-11-22 14:52:58 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2023-11-24 13:13:14 +0100 |
| commit | 1f2c9dd73f0a279214f9b3c382b3f1df272b3253 (patch) | |
| tree | a8db48e07f457ed13bf8a74e4a9743a1acfd0142 /net/smc/smc_sysctl.c | |
| parent | net/smc: add sysctl for max links per lgr for SMC-R v2.1 (diff) | |
| download | linux-1f2c9dd73f0a279214f9b3c382b3f1df272b3253.tar.xz linux-1f2c9dd73f0a279214f9b3c382b3f1df272b3253.zip | |
net/smc: add sysctl for max conns per lgr for SMC-R v2.1
Add a new sysctl: net.smc.smcr_max_conns_per_lgr, which is
used to control the preferred max connections per lgr for
SMC-R v2.1. The default value of this sysctl is 255, and
the acceptable value ranges from 16 to 255.
Signed-off-by: Guangguan Wang <guangguan.wang@linux.alibaba.com>
Reviewed-by: Dust Li <dust.li@linux.alibaba.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/smc/smc_sysctl.c')
| -rw-r--r-- | net/smc/smc_sysctl.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/net/smc/smc_sysctl.c b/net/smc/smc_sysctl.c index 3e9bb921e40a..a5946d1b9d60 100644 --- a/net/smc/smc_sysctl.c +++ b/net/smc/smc_sysctl.c @@ -27,6 +27,8 @@ static const int net_smc_wmem_init = (64 * 1024); static const int net_smc_rmem_init = (64 * 1024); static int links_per_lgr_min = SMC_LINKS_ADD_LNK_MIN; static int links_per_lgr_max = SMC_LINKS_ADD_LNK_MAX; +static int conns_per_lgr_min = SMC_CONN_PER_LGR_MIN; +static int conns_per_lgr_max = SMC_CONN_PER_LGR_MAX; static struct ctl_table smc_table[] = { { @@ -79,6 +81,15 @@ static struct ctl_table smc_table[] = { .extra1 = &links_per_lgr_min, .extra2 = &links_per_lgr_max, }, + { + .procname = "smcr_max_conns_per_lgr", + .data = &init_net.smc.sysctl_max_conns_per_lgr, + .maxlen = sizeof(int), + .mode = 0644, + .proc_handler = proc_dointvec_minmax, + .extra1 = &conns_per_lgr_min, + .extra2 = &conns_per_lgr_max, + }, { } }; @@ -109,6 +120,7 @@ int __net_init smc_sysctl_net_init(struct net *net) WRITE_ONCE(net->smc.sysctl_wmem, net_smc_wmem_init); WRITE_ONCE(net->smc.sysctl_rmem, net_smc_rmem_init); net->smc.sysctl_max_links_per_lgr = SMC_LINKS_PER_LGR_MAX_PREFER; + net->smc.sysctl_max_conns_per_lgr = SMC_CONN_PER_LGR_PREFER; return 0; |