osmith has uploaded this change for review. ( https://gerrit.osmocom.org/c/osmo-ggsn/+/36153?usp=email )
Change subject: Add clear error for kernel not supporting IPv6 ......................................................................
Add clear error for kernel not supporting IPv6
Make it clear to the user, that if adding a tunnel fails with kernel GTP and IPv6: the reason is that the kernel doesn't support IPv6 yet.
Related: OS#6096 Change-Id: I1d3c8cbb51212c91136292347dad9529a5c58a31 --- M ggsn/ggsn.c 1 file changed, 17 insertions(+), 1 deletion(-)
git pull ssh://gerrit.osmocom.org:29418/osmo-ggsn refs/changes/53/36153/1
diff --git a/ggsn/ggsn.c b/ggsn/ggsn.c index 0cd0feb..ff88864 100644 --- a/ggsn/ggsn.c +++ b/ggsn/ggsn.c @@ -533,7 +533,10 @@
if (apn->cfg.gtpu_mode == APN_GTPU_MODE_KERNEL_GTP) { if (gtp_kernel_tunnel_add(pdp, apn->tun.cfg.dev_name) < 0) { - LOGPPDP(LOGL_ERROR, pdp, "Cannot add tunnel to kernel: %s\n", strerror(errno)); + if (addrv6 && errno == EINVAL) + LOGPPDP(LOGL_ERROR, pdp, "Your kernel does not support GTP-U with IPv6 yet\n"); + else + LOGPPDP(LOGL_ERROR, pdp, "Cannot add tunnel to kernel: %s\n", strerror(errno)); gtp_create_context_resp(gsn, pdp, GTPCAUSE_SYS_FAIL); return 0; }