Use struct gtp_addr for ms_addr and sgsn_addr
Prepare for IPv6 support by using a new struct for MS and SGSN
addresses, in which either an IPv4 or IPv6 can be stored.
Related: OS#6096
Change-Id: Ifc7e3b03a723fb544d1c7b789101102b2c27b60e
diff --git a/src/gtp-genl.c b/src/gtp-genl.c
index 9c9e8d3..82ef8ab 100644
--- a/src/gtp-genl.c
+++ b/src/gtp-genl.c
@@ -48,10 +48,10 @@
if (t->ifns >= 0)
mnl_attr_put_u32(nlh, GTPA_NET_NS_FD, t->ifns);
mnl_attr_put_u32(nlh, GTPA_LINK, t->ifidx);
- if (t->sgsn_addr.s_addr)
- mnl_attr_put_u32(nlh, GTPA_PEER_ADDRESS, t->sgsn_addr.s_addr);
- if (t->ms_addr.s_addr)
- mnl_attr_put_u32(nlh, GTPA_MS_ADDRESS, t->ms_addr.s_addr);
+ if (t->sgsn_addr.ip4.s_addr)
+ mnl_attr_put_u32(nlh, GTPA_PEER_ADDRESS, t->sgsn_addr.ip4.s_addr);
+ if (t->ms_addr.ip4.s_addr)
+ mnl_attr_put_u32(nlh, GTPA_MS_ADDRESS, t->ms_addr.ip4.s_addr);
if (t->gtp_version == GTP_V0) {
mnl_attr_put_u64(nlh, GTPA_TID, t->u.v0.tid);
mnl_attr_put_u16(nlh, GTPA_FLOW, t->u.v0.flowid);
@@ -116,8 +116,8 @@
uint32_t o_tei;
} v1;
} u;
- struct in_addr sgsn_addr;
- struct in_addr ms_addr;
+ struct gtp_addr sgsn_addr;
+ struct gtp_addr ms_addr;
};
static int genl_gtp_validate_cb(const struct nlattr *attr, void *data)
@@ -167,11 +167,13 @@
if (tb[GTPA_O_TEI])
pdp.u.v1.o_tei = mnl_attr_get_u32(tb[GTPA_O_TEI]);
if (tb[GTPA_PEER_ADDRESS]) {
- pdp.sgsn_addr.s_addr =
+ pdp.sgsn_addr.family = AF_INET;
+ pdp.sgsn_addr.ip4.s_addr =
mnl_attr_get_u32(tb[GTPA_PEER_ADDRESS]);
}
if (tb[GTPA_MS_ADDRESS]) {
- pdp.ms_addr.s_addr = mnl_attr_get_u32(tb[GTPA_MS_ADDRESS]);
+ pdp.ms_addr.family = AF_INET;
+ pdp.ms_addr.ip4.s_addr = mnl_attr_get_u32(tb[GTPA_MS_ADDRESS]);
}
if (tb[GTPA_VERSION]) {
pdp.version = mnl_attr_get_u32(tb[GTPA_VERSION]);
@@ -179,15 +181,15 @@
printf("version %u ", pdp.version);
if (pdp.version == GTP_V0) {
- inet_ntop(AF_INET, &pdp.ms_addr, buf, sizeof(buf));
+ inet_ntop(AF_INET, &pdp.ms_addr.ip4, buf, sizeof(buf));
printf("tid %"PRIu64" ms_addr %s ",
pdp.u.v0.tid, buf);
} else if (pdp.version == GTP_V1) {
- inet_ntop(AF_INET, &pdp.ms_addr, buf, sizeof(buf));
+ inet_ntop(AF_INET, &pdp.ms_addr.ip4, buf, sizeof(buf));
printf("tei %u/%u ms_addr %s ", pdp.u.v1.i_tei,
pdp.u.v1.o_tei, buf);
}
- inet_ntop(AF_INET, &pdp.sgsn_addr, buf, sizeof(buf));
+ inet_ntop(AF_INET, &pdp.sgsn_addr.ip4, buf, sizeof(buf));
printf("sgsn_addr %s\n", buf);
return MNL_CB_OK;