diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/gb/gprs_ns.c | 2 | ||||
| -rw-r--r-- | src/gb/gprs_ns_frgre.c | 36 |
2 files changed, 38 insertions, 0 deletions
diff --git a/src/gb/gprs_ns.c b/src/gb/gprs_ns.c index cdee8338..aa7ff939 100644 --- a/src/gb/gprs_ns.c +++ b/src/gb/gprs_ns.c @@ -66,6 +66,8 @@ #include <errno.h> #include <stdint.h> +#include <sys/types.h> +#include <sys/socket.h> #include <arpa/inet.h> #include <osmocom/core/msgb.h> diff --git a/src/gb/gprs_ns_frgre.c b/src/gb/gprs_ns_frgre.c index be5f0f6c..23443812 100644 --- a/src/gb/gprs_ns_frgre.c +++ b/src/gb/gprs_ns_frgre.c @@ -48,6 +48,42 @@ struct gre_hdr { uint16_t ptype; } __attribute__ ((packed)); +#if defined(__FreeBSD__) +/** + * On BSD the IPv4 struct is called struct ip and instead of iXX + * the members are called ip_XX. One could change this code to use + * struct ip but that would require to define _BSD_SOURCE and that + * might have other complications. Instead make sure struct iphdr + * is present on FreeBSD. The below is taken from GLIBC. + * + * The GNU C Library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + */ +struct iphdr + { +#if BYTE_ORDER == LITTLE_ENDIAN + unsigned int ihl:4; + unsigned int version:4; +#elif BYTE_ORDER == BIG_ENDIAN + unsigned int version:4; + unsigned int ihl:4; +#endif + u_int8_t tos; + u_int16_t tot_len; + u_int16_t id; + u_int16_t frag_off; + u_int8_t ttl; + u_int8_t protocol; + u_int16_t check; + u_int32_t saddr; + u_int32_t daddr; + /*The options start here. */ + }; +#endif + + /* IPv4 messages inside the GRE tunnel might be GRE keepalives */ static int handle_rx_gre_ipv4(struct osmo_fd *bfd, struct msgb *msg, struct iphdr *iph, struct gre_hdr *greh) |