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-rw-r--r--udp.c22
1 files changed, 13 insertions, 9 deletions
diff --git a/udp.c b/udp.c
index 3fa74a1..4954a7c 100644
--- a/udp.c
+++ b/udp.c
@@ -153,7 +153,7 @@ struct udp_splice_flow {
/* Port tracking, arrays indexed by packet source port (host order) */
static struct udp_tap_port udp_tap_map [IP_VERSIONS][NUM_PORTS];
-/* Spliced "connections" indexed by originating source port (host order) */
+/* Spliced "connections" indexed by bound port of target_sock (host order) */
static struct udp_splice_flow udp_splice_to_ns [IP_VERSIONS][NUM_PORTS];
static struct udp_splice_flow udp_splice_to_init[IP_VERSIONS][NUM_PORTS];
@@ -1095,16 +1095,18 @@ void udp_sock_init(const struct ctx *c, int ns, sa_family_t af,
bind_addr = &(uint32_t){ htonl(INADDR_LOOPBACK) };
uref.udp.splice = uref.udp.orig = true;
- sock_l4(c, AF_INET, IPPROTO_UDP, bind_addr, ifname,
- port, uref.u32);
+ s = sock_l4(c, AF_INET, IPPROTO_UDP, bind_addr,
+ ifname, port, uref.u32);
+ udp_splice_to_init[V4][port].target_sock = s;
}
} else {
uref.udp.splice = uref.udp.orig = uref.udp.ns = true;
bind_addr = &(uint32_t){ htonl(INADDR_LOOPBACK) };
- sock_l4(c, AF_INET, IPPROTO_UDP, bind_addr, ifname,
- port, uref.u32);
+ s = sock_l4(c, AF_INET, IPPROTO_UDP, bind_addr,
+ ifname, port, uref.u32);
+ udp_splice_to_ns[V4][port].target_sock = s;
}
}
@@ -1127,15 +1129,17 @@ void udp_sock_init(const struct ctx *c, int ns, sa_family_t af,
bind_addr = &in6addr_loopback;
uref.udp.splice = uref.udp.orig = true;
- sock_l4(c, AF_INET6, IPPROTO_UDP, bind_addr, ifname,
- port, uref.u32);
+ s = sock_l4(c, AF_INET6, IPPROTO_UDP, bind_addr,
+ ifname, port, uref.u32);
+ udp_splice_to_init[V6][port].target_sock = s;
}
} else {
bind_addr = &in6addr_loopback;
uref.udp.splice = uref.udp.orig = uref.udp.ns = true;
- sock_l4(c, AF_INET6, IPPROTO_UDP, bind_addr, ifname,
- port, uref.u32);
+ s = sock_l4(c, AF_INET6, IPPROTO_UDP, bind_addr,
+ ifname, port, uref.u32);
+ udp_splice_to_ns[V6][port].target_sock = s;
}
}
}