proxmox-mirrors/mirror_iproute2
1
0
Fork 0
mirror of https://git.proxmox.com/git/mirror_iproute2 synced 2025-08-14 15:10:16 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

ip6tnl: Support for fou encapsulation

Browse Source 
Signed-off-by: Tom Herbert <tom@herbertland.com>
This commit is contained in:
Tom Herbert 2016-08-04 13:34:55 -07:00 committed by Stephen Hemminger
parent ec71cae0bb
commit 73516e128a
1 changed files with 91 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

92
ip/link_ip6tnl.c
View File

@ -37,6 +37,9 @@ static void print_usage(FILE *f)
fprintf(f, " [ dev PHYS_DEV ] [ encaplimit ELIM ]\n");
fprintf(f, " [ hoplimit HLIM ] [ tclass TCLASS ] [ flowlabel FLOWLABEL ]\n");
fprintf(f, " [ dscp inherit ] [ fwmark inherit ]\n");
fprintf(f, " [ noencap ] [ encap { fou | gue | none } ]\n");
fprintf(f, " [ encap-sport PORT ] [ encap-dport PORT ]\n");
fprintf(f, " [ [no]encap-csum ] [ [no]encap-csum6 ] [ [no]encap-remcsum ]\n");
fprintf(f, "\n");
fprintf(f, "Where: NAME := STRING\n");
fprintf(f, " ADDR := IPV6_ADDRESS\n");
@ -82,6 +85,10 @@ static int ip6tunnel_parse_opt(struct link_util *lu, int argc, char **argv,
__u32 flags = 0;
__u32 link = 0;
__u8 proto = 0;
__u16 encaptype = 0;
__u16 encapflags = TUNNEL_ENCAP_FLAG_CSUM6;
__u16 encapsport = 0;
__u16 encapdport = 0;
if (!(n->nlmsg_flags & NLM_F_CREATE)) {
if (rtnl_talk(&rth, &req.n, &req.n, sizeof(req)) < 0) {
@ -182,7 +189,7 @@ get_failed:
if (get_u8(&uval, *argv, 0))
invarg("invalid HLIM", *argv);
hop_limit = uval;
} else if (matches(*argv, "encaplimit") == 0) {
} else if (strcmp(*argv, "encaplimit") == 0) {
NEXT_ARG();
if (strcmp(*argv, "none") == 0) {
flags |= IP6_TNL_F_IGN_ENCAP_LIMIT;
@ -236,6 +243,40 @@ get_failed:
if (strcmp(*argv, "inherit") != 0)
invarg("not inherit", *argv);
flags |= IP6_TNL_F_USE_ORIG_FWMARK;
} else if (strcmp(*argv, "noencap") == 0) {
encaptype = TUNNEL_ENCAP_NONE;
} else if (strcmp(*argv, "encap") == 0) {
NEXT_ARG();
if (strcmp(*argv, "fou") == 0)
encaptype = TUNNEL_ENCAP_FOU;
else if (strcmp(*argv, "gue") == 0)
encaptype = TUNNEL_ENCAP_GUE;
else if (strcmp(*argv, "none") == 0)
encaptype = TUNNEL_ENCAP_NONE;
else
invarg("Invalid encap type.", *argv);
} else if (strcmp(*argv, "encap-sport") == 0) {
NEXT_ARG();
if (strcmp(*argv, "auto") == 0)
encapsport = 0;
else if (get_u16(&encapsport, *argv, 0))
invarg("Invalid source port.", *argv);
} else if (strcmp(*argv, "encap-dport") == 0) {
NEXT_ARG();
if (get_u16(&encapdport, *argv, 0))
invarg("Invalid destination port.", *argv);
} else if (strcmp(*argv, "encap-csum") == 0) {
encapflags |= TUNNEL_ENCAP_FLAG_CSUM;
} else if (strcmp(*argv, "noencap-csum") == 0) {
encapflags &= ~TUNNEL_ENCAP_FLAG_CSUM;
} else if (strcmp(*argv, "encap-udp6-csum") == 0) {
encapflags |= TUNNEL_ENCAP_FLAG_CSUM6;
} else if (strcmp(*argv, "noencap-udp6-csum") == 0) {
encapflags &= ~TUNNEL_ENCAP_FLAG_CSUM6;
} else if (strcmp(*argv, "encap-remcsum") == 0) {
encapflags |= TUNNEL_ENCAP_FLAG_REMCSUM;
} else if (strcmp(*argv, "noencap-remcsum") == 0) {
encapflags |= ~TUNNEL_ENCAP_FLAG_REMCSUM;
} else
usage();
argc--, argv++;
@ -250,6 +291,11 @@ get_failed:
addattr32(n, 1024, IFLA_IPTUN_FLAGS, flags);
addattr32(n, 1024, IFLA_IPTUN_LINK, link);
addattr16(n, 1024, IFLA_IPTUN_ENCAP_TYPE, encaptype);
addattr16(n, 1024, IFLA_IPTUN_ENCAP_FLAGS, encapflags);
addattr16(n, 1024, IFLA_IPTUN_ENCAP_SPORT, htons(encapsport));
addattr16(n, 1024, IFLA_IPTUN_ENCAP_DPORT, htons(encapdport));
return 0;
}
@ -334,6 +380,50 @@ static void ip6tunnel_print_opt(struct link_util *lu, FILE *f, struct rtattr *tb
if (flags & IP6_TNL_F_USE_ORIG_FWMARK)
fprintf(f, "fwmark inherit ");
if (tb[IFLA_IPTUN_ENCAP_TYPE] &&
rta_getattr_u16(tb[IFLA_IPTUN_ENCAP_TYPE]) !=
TUNNEL_ENCAP_NONE) {
__u16 type = rta_getattr_u16(tb[IFLA_IPTUN_ENCAP_TYPE]);
__u16 flags = rta_getattr_u16(tb[IFLA_IPTUN_ENCAP_FLAGS]);
__u16 sport = rta_getattr_u16(tb[IFLA_IPTUN_ENCAP_SPORT]);
__u16 dport = rta_getattr_u16(tb[IFLA_IPTUN_ENCAP_DPORT]);
fputs("encap ", f);
switch (type) {
case TUNNEL_ENCAP_FOU:
fputs("fou ", f);
break;
case TUNNEL_ENCAP_GUE:
fputs("gue ", f);
break;
default:
fputs("unknown ", f);
break;
}
if (sport == 0)
fputs("encap-sport auto ", f);
else
fprintf(f, "encap-sport %u", ntohs(sport));
fprintf(f, "encap-dport %u ", ntohs(dport));
if (flags & TUNNEL_ENCAP_FLAG_CSUM)
fputs("encap-csum ", f);
else
fputs("noencap-csum ", f);
if (flags & TUNNEL_ENCAP_FLAG_CSUM6)
fputs("encap-csum6 ", f);
else
fputs("noencap-csum6 ", f);
if (flags & TUNNEL_ENCAP_FLAG_REMCSUM)
fputs("encap-remcsum ", f);
else
fputs("noencap-remcsum ", f);
}
}
static void ip6tunnel_print_help(struct link_util *lu, int argc, char **argv,