" [ local ADDR ]\n"
" [ ttl TTL ]\n"
" [ tos TOS ]\n"
+ " [ df DF ]\n"
" [ flowlabel LABEL ]\n"
" [ dev PHYS_DEV ]\n"
" [ dstport PORT ]\n"
" ADDR := { IP_ADDRESS | any }\n"
" TOS := { NUMBER | inherit }\n"
" TTL := { 1..255 | auto | inherit }\n"
+ " DF := { unset | set | inherit }\n"
" LABEL := 0-1048575\n"
);
}
} else
tos = 1;
addattr8(n, 1024, IFLA_VXLAN_TOS, tos);
+ } else if (!matches(*argv, "df")) {
+ enum ifla_vxlan_df df;
+
+ NEXT_ARG();
+ check_duparg(&attrs, IFLA_VXLAN_DF, "df", *argv);
+ if (strcmp(*argv, "unset") == 0)
+ df = VXLAN_DF_UNSET;
+ else if (strcmp(*argv, "set") == 0)
+ df = VXLAN_DF_SET;
+ else if (strcmp(*argv, "inherit") == 0)
+ df = VXLAN_DF_INHERIT;
+ else
+ invarg("DF must be 'unset', 'set' or 'inherit'",
+ *argv);
+
+ addattr8(n, 1024, IFLA_VXLAN_DF, df);
} else if (!matches(*argv, "label") ||
!matches(*argv, "flowlabel")) {
__u32 uval;
print_string(PRINT_FP, NULL, "ttl %s ", "auto");
}
+ if (tb[IFLA_VXLAN_DF]) {
+ enum ifla_vxlan_df df = rta_getattr_u8(tb[IFLA_VXLAN_DF]);
+
+ if (df == VXLAN_DF_UNSET)
+ print_string(PRINT_JSON, "df", "df %s ", "unset");
+ else if (df == VXLAN_DF_SET)
+ print_string(PRINT_ANY, "df", "df %s ", "set");
+ else if (df == VXLAN_DF_INHERIT)
+ print_string(PRINT_ANY, "df", "df %s ", "inherit");
+ }
+
if (tb[IFLA_VXLAN_LABEL]) {
__u32 label = rta_getattr_u32(tb[IFLA_VXLAN_LABEL]);
] [
.BI tos " TOS "
] [
+.BI df " DF "
+] [
.BI flowlabel " FLOWLABEL "
] [
.BI dstport " PORT "
.BI tos " TOS"
- specifies the TOS value to use in outgoing packets.
+.sp
+.BI df " DF"
+- specifies the usage of the Don't Fragment flag (DF) bit in outgoing packets
+with IPv4 headers. The value
+.B inherit
+causes the bit to be copied from the original IP header. The values
+.B unset
+and
+.B set
+cause the bit to be always unset or always set, respectively. By default, the
+bit is not set.
+
.sp
.BI flowlabel " FLOWLABEL"
- specifies the flow label to use in outgoing packets.