add snd_flags in symbols_linux.c

gtests/net/packetdrill/symbols_linux.c

@@ -179,7 +179,15 @@ struct int_symbol platform_symbols_table[] = {
 	{ SPP_IPV6_FLOWLABEL,               "SPP_IPV6_FLOWLABEL"              },
 	{ SPP_DSCP,                         "SPP_DSCP"                        },
 #endif
-
+        { SCTP_UNORDERED,                   "SCTP_UNORDERED"                  },
+        { SCTP_ADDR_OVER,                   "SCTP_ADDR_OVER"                  },
+        { SCTP_ABORT,                       "SCTP_ABORT"                      },
+        { SCTP_EOF,                         "SCTP_EOF"                        },
+	{ SCTP_SACK_IMMEDIATELY,	    "SCTP_SACK_IMMEDIATELY"	      },
+	{ SCTP_NOTIFICATION,		    "SCTP_NOTIFICATION"		      },
+#if 0
+        { SCTP_SENDALL,                     "SCTP_SENDALL"                    },
+#endif
 	{ TCP_NODELAY,                      "TCP_NODELAY"                     },
 	{ TCP_MAXSEG,                       "TCP_MAXSEG"                      },
 	{ TCP_CORK,                         "TCP_CORK"                        },

gtests/net/packetdrill/tests/bsd/sctp/sctp_get_socket_options.pkt

@@ -124,4 +124,7 @@ sasoc_cookie_life=...}, [20]) = 0
 +0 getsockopt(3, IPPROTO_SCTP, SCTP_DEFAULT_SNDINFO, {snd_sid=0, snd_flags=..., snd_ppid=2, snd_context=2}, [16]) = 0
 +0 getsockopt(3, IPPROTO_SCTP, SCTP_DEFAULT_SNDINFO, {snd_sid=..., snd_flags=SCTP_UNORDERED, snd_ppid=2, snd_context=2}, [16]) = 0
 
++0 setsockopt(3, IPPROTO_SCTP, SCTP_ADAPTATION_LAYER, {ssb_adaptation_ind=2}, 4) = 0
++0 getsockopt(3, IPPROTO_SCTP, SCTP_ADAPTATION_LAYER, {ssb_adaptation_ind=2}, [4]) = 0
+
 +0 close(3) = 0