diff options
Diffstat (limited to 'freebsd/sys/net/if_gre.h')
| -rw-r--r-- | freebsd/sys/net/if_gre.h | 66 |
1 files changed, 52 insertions, 14 deletions
diff --git a/freebsd/sys/net/if_gre.h b/freebsd/sys/net/if_gre.h index 4b93321a..de3c5979 100644 --- a/freebsd/sys/net/if_gre.h +++ b/freebsd/sys/net/if_gre.h @@ -53,14 +53,35 @@ struct greip { struct ip gi_ip; struct grehdr gi_gre; } __packed; -#endif + +struct greudp { + struct ip gi_ip; + struct udphdr gi_udp; + struct grehdr gi_gre; +} __packed; +#endif /* INET */ #ifdef INET6 struct greip6 { struct ip6_hdr gi6_ip6; struct grehdr gi6_gre; } __packed; -#endif + +struct greudp6 { + struct ip6_hdr gi6_ip6; + struct udphdr gi6_udp; + struct grehdr gi6_gre; +} __packed; +#endif /* INET6 */ + +CK_LIST_HEAD(gre_list, gre_softc); +CK_LIST_HEAD(gre_sockets, gre_socket); +struct gre_socket { + struct socket *so; + struct gre_list list; + CK_LIST_ENTRY(gre_socket) chain; + struct epoch_context epoch_ctx; +}; struct gre_softc { struct ifnet *gre_ifp; @@ -69,22 +90,26 @@ struct gre_softc { uint32_t gre_oseq; uint32_t gre_key; uint32_t gre_options; + uint32_t gre_csumflags; + uint32_t gre_port; u_int gre_fibnum; u_int gre_hlen; /* header size */ union { void *hdr; #ifdef INET - struct greip *gihdr; + struct greip *iphdr; + struct greudp *udphdr; #endif #ifdef INET6 - struct greip6 *gi6hdr; + struct greip6 *ip6hdr; + struct greudp6 *udp6hdr; #endif } gre_uhdr; + struct gre_socket *gre_so; CK_LIST_ENTRY(gre_softc) chain; CK_LIST_ENTRY(gre_softc) srchash; }; -CK_LIST_HEAD(gre_list, gre_softc); MALLOC_DECLARE(M_GRE); #ifndef GRE_HASH_SIZE @@ -98,28 +123,35 @@ MALLOC_DECLARE(M_GRE); #define GRE_WAIT() epoch_wait_preempt(net_epoch_preempt) #define gre_hdr gre_uhdr.hdr -#define gre_gihdr gre_uhdr.gihdr -#define gre_gi6hdr gre_uhdr.gi6hdr -#define gre_oip gre_gihdr->gi_ip -#define gre_oip6 gre_gi6hdr->gi6_ip6 +#define gre_iphdr gre_uhdr.iphdr +#define gre_ip6hdr gre_uhdr.ip6hdr +#define gre_udphdr gre_uhdr.udphdr +#define gre_udp6hdr gre_uhdr.udp6hdr + +#define gre_oip gre_iphdr->gi_ip +#define gre_udp gre_udphdr->gi_udp +#define gre_oip6 gre_ip6hdr->gi6_ip6 +#define gre_udp6 gre_udp6hdr->gi6_udp struct gre_list *gre_hashinit(void); void gre_hashdestroy(struct gre_list *); int gre_input(struct mbuf *, int, int, void *); -void gre_updatehdr(struct gre_softc *, struct grehdr *); +void gre_update_hdr(struct gre_softc *, struct grehdr *); +void gre_update_udphdr(struct gre_softc *, struct udphdr *, uint16_t); +void gre_sofree(epoch_context_t); void in_gre_init(void); void in_gre_uninit(void); -void in_gre_setopts(struct gre_softc *, u_long, uint32_t); +int in_gre_setopts(struct gre_softc *, u_long, uint32_t); int in_gre_ioctl(struct gre_softc *, u_long, caddr_t); int in_gre_output(struct mbuf *, int, int); void in6_gre_init(void); void in6_gre_uninit(void); -void in6_gre_setopts(struct gre_softc *, u_long, uint32_t); +int in6_gre_setopts(struct gre_softc *, u_long, uint32_t); int in6_gre_ioctl(struct gre_softc *, u_long, caddr_t); -int in6_gre_output(struct mbuf *, int, int); +int in6_gre_output(struct mbuf *, int, int, uint32_t); /* * CISCO uses special type for GRE tunnel created as part of WCCP * connection, while in fact those packets are just IPv4 encapsulated @@ -139,9 +171,15 @@ int in6_gre_output(struct mbuf *, int, int); #define GRESKEY _IOW('i', 108, struct ifreq) #define GREGOPTS _IOWR('i', 109, struct ifreq) #define GRESOPTS _IOW('i', 110, struct ifreq) +#define GREGPORT _IOWR('i', 111, struct ifreq) +#define GRESPORT _IOW('i', 112, struct ifreq) + +/* GRE-in-UDP encapsulation destination port as defined in RFC8086 */ +#define GRE_UDPPORT 4754 #define GRE_ENABLE_CSUM 0x0001 #define GRE_ENABLE_SEQ 0x0002 -#define GRE_OPTMASK (GRE_ENABLE_CSUM|GRE_ENABLE_SEQ) +#define GRE_UDPENCAP 0x0004 +#define GRE_OPTMASK (GRE_ENABLE_CSUM|GRE_ENABLE_SEQ|GRE_UDPENCAP) #endif /* _NET_IF_GRE_H_ */ |