X-Git-Url: https://git.whamcloud.com/?p=fs%2Flustre-release.git;a=blobdiff_plain;f=lnet%2Finclude%2Flnet%2Flib-lnet.h;h=73a4d68db318cf71a94ee1c8ea03030c525d4762;hp=36b1a6334d170974b1cc11645d4ee2a75bbc5b6c;hb=339c7b2b784a528f41c432e9b90285d3445b7536;hpb=d68d56c00e7788a445f94b6e099f7f8b9e259bae

diff --git a/lnet/include/lnet/lib-lnet.h b/lnet/include/lnet/lib-lnet.h
index 36b1a63..73a4d68 100644
--- a/lnet/include/lnet/lib-lnet.h
+++ b/lnet/include/lnet/lib-lnet.h
@@ -651,6 +651,31 @@ lnet_isrouter(lnet_peer_t *lp)
         return lp->lp_rtr_refcount != 0;
 }
 
+/* check if it's a router checker ping */
+static inline int
+lnet_msg_is_rc_ping(struct lnet_msg *msg)
+{
+	lnet_hdr_t	*hdr = &msg->msg_hdr;
+
+	return msg->msg_type == LNET_MSG_GET &&
+	       hdr->msg.get.ptl_index == cpu_to_le32(LNET_RESERVED_PORTAL) &&
+	       hdr->msg.get.match_bits ==
+			    cpu_to_le64(LNET_PROTO_PING_MATCHBITS);
+}
+
+/* peer aliveness is enabled in a network where lnet_ni_t::ni_peertimeout has
+ * been set to a positive value, it's only valid for router peers or peers on
+ * routers.
+ */
+static inline int
+lnet_peer_aliveness_enabled(struct lnet_peer *lp)
+{
+	if (lp->lp_ni->ni_peertimeout <= 0)
+		return 0;
+
+	return the_lnet.ln_routing || lnet_isrouter(lp);
+}
+
 static inline void
 lnet_ni_addref_locked(lnet_ni_t *ni, int cpt)
 {