X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=lib%2Fpackets.h;h=7ea462bcf77ae19e68e2961c5aeb7e5aad5d19b3;hb=76f105d9be03588c2d5ec0b94ff769a1d269f2e4;hp=eaffca939c063adeb7429d835ca0c2a699ce2037;hpb=c69ee87c10818267f991236201150b1fa51ae519;p=openvswitch

diff --git a/lib/packets.h b/lib/packets.h
index eaffca93..7ea462bc 100644
--- a/lib/packets.h
+++ b/lib/packets.h
@@ -190,7 +190,10 @@ struct llc_snap_header {
 BUILD_ASSERT_DECL(LLC_SNAP_HEADER_LEN == sizeof(struct llc_snap_header));
 
 #define VLAN_VID_MASK 0x0fff
+#define VLAN_VID_SHIFT 0
+
 #define VLAN_PCP_MASK 0xe000
+#define VLAN_PCP_SHIFT 13
 
 #define VLAN_HEADER_LEN 4
 struct vlan_header {
@@ -224,6 +227,10 @@ BUILD_ASSERT_DECL(VLAN_ETH_HEADER_LEN == sizeof(struct vlan_eth_header));
 #define IP_IHL(ip_ihl_ver) ((ip_ihl_ver) & 15)
 #define IP_IHL_VER(ihl, ver) (((ver) << 4) | (ihl))
 
+/* TOS fields. */
+#define IP_ECN_MASK 0x03
+#define IP_DSCP_MASK 0xfc
+
 #define IP_TYPE_ICMP 1
 #define IP_TYPE_TCP 6
 #define IP_TYPE_UDP 17