LU-12815 socklnd: add conns_per_peer parameter

[fs/lustre-release.git] / lnet / klnds / socklnd / socklnd_modparams.c

diff --git a/lnet/klnds/socklnd/socklnd_modparams.c b/lnet/klnds/socklnd/socklnd_modparams.c
index 2204280..6d274a0 100644 (file)
--- a/lnet/klnds/socklnd/socklnd_modparams.c
+++ b/lnet/klnds/socklnd/socklnd_modparams.c
@@ -142,6 +142,10 @@ static unsigned int zc_recv_min_nfrags = 16;
 module_param(zc_recv_min_nfrags, int, 0644);
 MODULE_PARM_DESC(zc_recv_min_nfrags, "minimum # of fragments to enable ZC recv");
 
 module_param(zc_recv_min_nfrags, int, 0644);
 MODULE_PARM_DESC(zc_recv_min_nfrags, "minimum # of fragments to enable ZC recv");
 

+static unsigned int conns_per_peer = 1;
+module_param(conns_per_peer, uint, 0444);
+MODULE_PARM_DESC(conns_per_peer, "number of connections per peer");
+

 #ifdef SOCKNAL_BACKOFF
 static int backoff_init = 3;
 module_param(backoff_init, int, 0644);
 #ifdef SOCKNAL_BACKOFF
 static int backoff_init = 3;
 module_param(backoff_init, int, 0644);


@@ -201,6 +205,11 @@ int ksocknal_tunables_init(void)
        ksocknal_tunables.ksnd_zc_min_payload     = &zc_min_payload;
        ksocknal_tunables.ksnd_zc_recv            = &zc_recv;
        ksocknal_tunables.ksnd_zc_recv_min_nfrags = &zc_recv_min_nfrags;
        ksocknal_tunables.ksnd_zc_min_payload     = &zc_min_payload;
        ksocknal_tunables.ksnd_zc_recv            = &zc_recv;
        ksocknal_tunables.ksnd_zc_recv_min_nfrags = &zc_recv_min_nfrags;

+       if (conns_per_peer > ((1 << SOCKNAL_CONN_COUNT_MAX_BITS)-1)) {
+               CWARN("socklnd conns_per_peer is capped at %u.\n",
+                     (1 << SOCKNAL_CONN_COUNT_MAX_BITS)-1);
+       }
+       ksocknal_tunables.ksnd_conns_per_peer     = &conns_per_peer;

 
        if (enable_irq_affinity) {
                CWARN("irq_affinity is removed from socklnd because modern "
 
        if (enable_irq_affinity) {
                CWARN("irq_affinity is removed from socklnd because modern "