LU-12452 o2iblnd: allow setting IP ToS value (RoCE)

[fs/lustre-release.git] / lnet / klnds / o2iblnd / o2iblnd.c

diff --git a/lnet/klnds/o2iblnd/o2iblnd.c b/lnet/klnds/o2iblnd/o2iblnd.c
index 03fce9f..be69163 100644 (file)
--- a/lnet/klnds/o2iblnd/o2iblnd.c
+++ b/lnet/klnds/o2iblnd/o2iblnd.c
@@ -1255,6 +1255,10 @@ static const struct ln_key_list kiblnd_tunables_keys = {
                        .lkp_value      = "timeout",
                        .lkp_data_type  = NLA_U32,
                },
+               [LNET_NET_O2IBLND_TUNABLES_ATTR_LND_TOS] = {
+                       .lkp_value      = "tos",
+                       .lkp_data_type  = NLA_S16,
+               },
        },
 };
 
@@ -1290,6 +1294,8 @@ kiblnd_nl_get(int cmd, struct sk_buff *msg, int type, void *data)
                    tuns->lnd_conns_per_peer);
        nla_put_u32(msg, LNET_NET_O2IBLND_TUNABLES_ATTR_LND_TIMEOUT,
                    kiblnd_timeout());
+       nla_put_s16(msg, LNET_NET_O2IBLND_TUNABLES_ATTR_LND_TOS,
+                   tuns->lnd_tos);
 
        return 0;
 }
@@ -1386,6 +1392,10 @@ kiblnd_nl_set(int cmd, struct nlattr *attr, int type, void *data)
                        tunables->lnd_tun_u.lnd_o2ib.lnd_conns_per_peer = num;
                else
                        rc = -ERANGE;
+               break;
+       case LNET_NET_O2IBLND_TUNABLES_ATTR_LND_TOS:
+               num = nla_get_s64(attr);
+               tunables->lnd_tun_u.lnd_o2ib.lnd_tos = num;
                fallthrough;
        default:
                break;