diff options
| author | Harald Welte <laforge@gnumonks.org> | 2017-08-02 21:48:16 +0200 |
|---|---|---|
| committer | Harald Welte <laforge@gnumonks.org> | 2017-08-09 22:09:34 +0200 |
| commit | a0d281db1cd2f122fb8f0adfd9e4a82e60efbd2f (patch) | |
| tree | 613095b3ce11731d6cf757df5cee0c36ec3c0f2b /ggsn | |
| parent | 53165ede24b106326d3762232435e0a28c10e1bb (diff) | |
IPv6 support for user IP
This patch enables the use of IPv6 PDP contexts. The phone will
have to request an IPv6 End-user-Address, and the GGSN will have
to be configured for an IPv6 pool.
The outer transport-layer IP between SGSN and GGSN must still be
IPv4, it is not modified by this patch
Change-Id: I22c3bf32a98e5daf99d6eaeac8c9f95cc7574774
Diffstat (limited to 'ggsn')
| -rw-r--r-- | ggsn/ggsn.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/ggsn/ggsn.c b/ggsn/ggsn.c index 4fb2066..8e7d1e3 100644 --- a/ggsn/ggsn.c +++ b/ggsn/ggsn.c @@ -35,6 +35,7 @@ #include <sys/socket.h> #include <netinet/in.h> #include <netinet/ip.h> +#include <netinet/ip6.h> #include <arpa/inet.h> #include <sys/wait.h> #include <sys/stat.h> @@ -190,7 +191,7 @@ int create_context_ind(struct pdp_t *pdp) memcpy(pdp->qos_neg.v, pdp->qos_req.v, pdp->qos_req.l); /* TODO */ pdp->qos_neg.l = pdp->qos_req.l; - if (pdp_euaton(&pdp->eua, &addr.v4)) { + if (in46a_from_eua(&pdp->eua, &addr)) { addr.v4.s_addr = 0; /* Request dynamic */ } @@ -199,7 +200,7 @@ int create_context_ind(struct pdp_t *pdp) return 0; /* Allready in use, or no more available */ } - pdp_ntoeua(&member->addr.v4, &pdp->eua); + in46a_to_eua(&member->addr, &pdp->eua); pdp->peer = member; pdp->ipif = tun; /* TODO */ member->peer = pdp; @@ -224,14 +225,18 @@ int cb_tun_ind(struct tun_t *tun, void *pack, unsigned len) struct ippoolm_t *ipm; struct in46_addr dst; struct iphdr *iph = (struct iphdr *)pack; + struct ip6_hdr *ip6h = (struct ip6_hdr *)pack; if (iph->version == 4) { if (len < sizeof(*iph) || len < 4*iph->ihl) return -1; dst.len = 4; dst.v4.s_addr = iph->daddr; + } else if (iph->version == 6) { + dst.len = 16; + dst.v6 = ip6h->ip6_dst; } else { - LOGP(DGGSN, LOGL_NOTICE, "non-IPv4 packet received from tun\n"); + LOGP(DGGSN, LOGL_NOTICE, "non-IPv packet received from tun\n"); return -1; } |