static int parse_encap_ila(struct rtattr *rta, size_t len,
int *argcp, char ***argvp)
{
__u64 locator;
int argc = *argcp;
char **argv = *argvp;
if (get_addr64(&locator, *argv) < 0) {
fprintf(stderr, "Bad locator: %s\n", *argv);
exit(1);
}
argc--; argv++;
rta_addattr64(rta, 1024, ILA_ATTR_LOCATOR, locator);
while (argc > 0) {
if (strcmp(*argv, "csum-mode") == 0) {
__u8 csum_mode;
NEXT_ARG();
csum_mode = ila_csum_name2mode(*argv);
if (csum_mode < 0)
invarg("\"csum-mode\" value is invalid\n", *argv);
rta_addattr8(rta, 1024, ILA_ATTR_CSUM_MODE, csum_mode);
argc--; argv++;
} else {
break;
}
}
/* argv is currently the first unparsed argument,
* but the lwt_parse_encap() caller will move to the next,
* so step back
*/
*argcp = argc + 1;
*argvp = argv - 1;
return 0;
}
static int ila_parse_opt(int argc, char **argv, struct nlmsghdr *n,
bool adding)
{
__u64 locator = 0;
__u64 locator_match = 0;
int ifindex = 0;
int csum_mode = 0;
int ident_type = 0;
bool loc_set = false;
bool loc_match_set = false;
bool ifindex_set = false;
bool csum_mode_set = false;
bool ident_type_set = false;
while (argc > 0) {
if (!matches(*argv, "loc")) {
NEXT_ARG();
if (get_addr64(&locator, *argv) < 0) {
fprintf(stderr, "Bad locator: %s\n", *argv);
return -1;
}
loc_set = true;
} else if (!matches(*argv, "loc_match")) {
NEXT_ARG();
if (get_addr64(&locator_match, *argv) < 0) {
fprintf(stderr, "Bad locator to match: %s\n",
*argv);
return -1;
}
loc_match_set = true;
} else if (!matches(*argv, "csum-mode")) {
NEXT_ARG();
csum_mode = ila_csum_name2mode(*argv);
if (csum_mode < 0) {
fprintf(stderr, "Bad csum-mode: %s\n",
*argv);
return -1;
}
csum_mode_set = true;
} else if (!matches(*argv, "ident-type")) {
NEXT_ARG();
ident_type = ila_ident_name2type(*argv);
if (ident_type < 0) {
fprintf(stderr, "Bad ident-type: %s\n",
*argv);
return -1;
}
ident_type_set = true;
} else if (!matches(*argv, "dev")) {
NEXT_ARG();
ifindex = ll_name_to_index(*argv);
if (ifindex == 0) {
fprintf(stderr, "No such interface: %s\n",
*argv);
return -1;
}
ifindex_set = true;
} else {
usage();
return -1;
}
argc--, argv++;
}
if (adding) {
if (!loc_set) {
fprintf(stderr, "ila: missing locator\n");
return -1;
}
if (!loc_match_set) {
fprintf(stderr, "ila: missing locator0match\n");
return -1;
}
}
if (loc_match_set)
addattr64(n, 1024, ILA_ATTR_LOCATOR_MATCH, locator_match);
if (loc_set)
addattr64(n, 1024, ILA_ATTR_LOCATOR, locator);
if (ifindex_set)
addattr32(n, 1024, ILA_ATTR_IFINDEX, ifindex);
if (csum_mode_set)
addattr8(n, 1024, ILA_ATTR_CSUM_MODE, csum_mode);
if (ident_type_set)
addattr8(n, 1024, ILA_ATTR_IDENT_TYPE, ident_type);
return 0;
}