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-rw-r--r--slirp/ip.h64
1 files changed, 23 insertions, 41 deletions
diff --git a/slirp/ip.h b/slirp/ip.h
index a8cdb0d3fb..3079f90f9b 100644
--- a/slirp/ip.h
+++ b/slirp/ip.h
@@ -183,35 +183,31 @@ struct ip_timestamp {
#define IP_MSS 576 /* default maximum segment size */
-#ifdef HAVE_SYS_TYPES32_H /* Overcome some Solaris 2.x junk */
-#include <sys/types32.h>
-#else
#if SIZEOF_CHAR_P == 4
-typedef caddr_t caddr32_t;
-#else
-typedef u_int32_t caddr32_t;
-#endif
-#endif
-
-#if SIZEOF_CHAR_P == 4
-typedef struct ipq *ipqp_32;
-typedef struct ipasfrag *ipasfragp_32;
+struct mbuf_ptr {
+ struct mbuf *mptr;
+ uint32_t dummy;
+};
#else
-typedef caddr32_t ipqp_32;
-typedef caddr32_t ipasfragp_32;
+struct mbuf_ptr {
+ struct mbuf *mptr;
+};
#endif
+struct qlink {
+ void *next, *prev;
+};
/*
* Overlay for ip header used by other protocols (tcp, udp).
*/
struct ipovly {
- caddr32_t ih_next, ih_prev; /* for protocol sequence q's */
+ struct mbuf_ptr ih_mbuf; /* backpointer to mbuf */
u_int8_t ih_x1; /* (unused) */
u_int8_t ih_pr; /* protocol */
u_int16_t ih_len; /* protocol length */
struct in_addr ih_src; /* source internet address */
struct in_addr ih_dst; /* destination internet address */
-};
+} __attribute__((packed));
/*
* Ip reassembly queue structure. Each fragment
@@ -221,44 +217,30 @@ struct ipovly {
* size 28 bytes
*/
struct ipq {
- ipqp_32 next,prev; /* to other reass headers */
+ struct qlink frag_link; /* to ip headers of fragments */
+ struct qlink ip_link; /* to other reass headers */
u_int8_t ipq_ttl; /* time for reass q to live */
u_int8_t ipq_p; /* protocol of this fragment */
u_int16_t ipq_id; /* sequence id for reassembly */
- ipasfragp_32 ipq_next,ipq_prev;
- /* to ip headers of fragments */
struct in_addr ipq_src,ipq_dst;
};
/*
* Ip header, when holding a fragment.
*
- * Note: ipf_next must be at same offset as ipq_next above
+ * Note: ipf_link must be at same offset as frag_link above
*/
struct ipasfrag {
-#ifdef WORDS_BIGENDIAN
- u_int ip_v:4,
- ip_hl:4;
-#else
- u_int ip_hl:4,
- ip_v:4;
-#endif
- /* BUG : u_int changed to u_int8_t.
- * sizeof(u_int)==4 on linux 2.0
- */
- u_int8_t ipf_mff; /* XXX overlays ip_tos: use low bit
- * to avoid destroying tos (PPPDTRuu);
- * copied from (ip_off&IP_MF) */
- u_int16_t ip_len;
- u_int16_t ip_id;
- u_int16_t ip_off;
- u_int8_t ip_ttl;
- u_int8_t ip_p;
- u_int16_t ip_sum;
- ipasfragp_32 ipf_next; /* next fragment */
- ipasfragp_32 ipf_prev; /* previous fragment */
+ struct qlink ipf_link;
+ struct ip ipf_ip;
};
+#define ipf_off ipf_ip.ip_off
+#define ipf_tos ipf_ip.ip_tos
+#define ipf_len ipf_ip.ip_len
+#define ipf_next ipf_link.next
+#define ipf_prev ipf_link.prev
+
/*
* Structure stored in mbuf in inpcb.ip_options
* and passed to ip_output when ip options are in use.