zebra: Allow *BSD to specify a receive buffer size

[mirror_frr.git] / zebra / main.c

diff --git a/zebra/main.c b/zebra/main.c
index 9deafb532ed8182b13b2636078ad8cef4fee9d82..7ef30d1d491614ab36d94b59f3e3695dfefc0e47 100644 (file)
--- a/zebra/main.c
+++ b/zebra/main.c
@@ -78,10 +78,12 @@ int graceful_restart;
 
 bool v6_rr_semantics = false;
 
+/* Receive buffer size for kernel control sockets */
 #ifdef HAVE_NETLINK
-/* Receive buffer size for netlink socket */
-uint32_t nl_rcvbufsize = 4194304;
-#endif /* HAVE_NETLINK */
+uint32_t rcvbufsize = 4194304;
+#else
+uint32_t rcvbufsize = 128 * 1024;
+#endif
 
 #define OPTION_V6_RR_SEMANTICS 2000
 #define OPTION_ASIC_OFFLOAD    2001
@@ -294,9 +296,9 @@ int main(int argc, char **argv)
        frr_preinit(&zebra_di, argc, argv);
 
        frr_opt_add(
-               "baz:e:rK:"
+               "baz:e:rK:s:"
 #ifdef HAVE_NETLINK
-               "s:n"
+               "n"
 #endif
                ,
                longopts,
@@ -308,9 +310,11 @@ int main(int argc, char **argv)
                "  -K, --graceful_restart   Graceful restart at the kernel level, timer in seconds for expiration\n"
                "  -A, --asic-offload       FRR is interacting with an asic underneath the linux kernel\n"
 #ifdef HAVE_NETLINK
-               "  -n, --vrfwnetns          Use NetNS as VRF backend\n"
                "  -s, --nl-bufsize         Set netlink receive buffer size\n"
+               "  -n, --vrfwnetns          Use NetNS as VRF backend\n"
                "      --v6-rr-semantics    Use v6 RR semantics\n"
+#else
+               "  -s,                      Set kernel socket receive buffer size\n"
 #endif /* HAVE_NETLINK */
        );
 
@@ -359,10 +363,10 @@ int main(int argc, char **argv)
                case 'K':
                        graceful_restart = atoi(optarg);
                        break;
-#ifdef HAVE_NETLINK
                case 's':
-                       nl_rcvbufsize = atoi(optarg);
+                       rcvbufsize = atoi(optarg);
                        break;
+#ifdef HAVE_NETLINK
                case 'n':
                        vrf_configure_backend(VRF_BACKEND_NETNS);
                        break;