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[NETFILTER]: PPTP conntrack: get rid of unnecessary byte order conversions

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The conntrack structure contains the call ID in host byte order for no
reason, get rid of back and forth conversions.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Patrick McHardy
2006-09-20 12:08:03 -07:00
committed by David S. Miller
parent edd5a329cf
commit 955b944293
6 changed files with 50 additions and 50 deletions
Download Patch File Download Diff File Expand all files Collapse all files
include/linux/netfilter_ipv4/ip_conntrack_pptp.h
+4 -4
View File
@@ -31,8 +31,8 @@ struct ip_ct_pptp_master {
/* everything below is going to be per-expectation in newnat,
* since there could be more than one call within one session */
enum pptp_ctrlcall_state cstate; /* call state */
u_int16_t pac_call_id; /* call id of PAC, host byte order */
u_int16_t pns_call_id; /* call id of PNS, host byte order */
__be16 pac_call_id; /* call id of PAC, host byte order */
__be16 pns_call_id; /* call id of PNS, host byte order */
/* in pre-2.6.11 this used to be per-expect. Now it is per-conntrack
* and therefore imposes a fixed limit on the number of maps */
@@ -42,8 +42,8 @@ struct ip_ct_pptp_master {
/* conntrack_expect private member */
struct ip_ct_pptp_expect {
enum pptp_ctrlcall_state cstate; /* call state */
u_int16_t pac_call_id; /* call id of PAC */
u_int16_t pns_call_id; /* call id of PNS */
__be16 pac_call_id; /* call id of PAC */
__be16 pns_call_id; /* call id of PNS */
};
include/linux/netfilter_ipv4/ip_conntrack_proto_gre.h
+11 -11
View File
@@ -49,18 +49,18 @@ struct gre_hdr {
#else
#error "Adjust your <asm/byteorder.h> defines"
#endif
__u16 protocol;
__be16 protocol;
};
/* modified GRE header for PPTP */
struct gre_hdr_pptp {
__u8 flags; /* bitfield */
__u8 version; /* should be GRE_VERSION_PPTP */
__u16 protocol; /* should be GRE_PROTOCOL_PPTP */
__u16 payload_len; /* size of ppp payload, not inc. gre header */
__u16 call_id; /* peer's call_id for this session */
__u32 seq; /* sequence number. Present if S==1 */
__u32 ack; /* seq number of highest packet recieved by */
__u8 flags; /* bitfield */
__u8 version; /* should be GRE_VERSION_PPTP */
__be16 protocol; /* should be GRE_PROTOCOL_PPTP */
__be16 payload_len; /* size of ppp payload, not inc. gre header */
__be16 call_id; /* peer's call_id for this session */
__be32 seq; /* sequence number. Present if S==1 */
__be32 ack; /* seq number of highest packet recieved by */
/* sender in this session */
};
@@ -92,13 +92,13 @@ void ip_ct_gre_keymap_destroy(struct ip_conntrack *ct);
/* get pointer to gre key, if present */
static inline u_int32_t *gre_key(struct gre_hdr *greh)
static inline __be32 *gre_key(struct gre_hdr *greh)
{
if (!greh->key)
return NULL;
if (greh->csum || greh->routing)
return (u_int32_t *) (greh+sizeof(*greh)+4);
return (u_int32_t *) (greh+sizeof(*greh));
return (__be32 *) (greh+sizeof(*greh)+4);
return (__be32 *) (greh+sizeof(*greh));
}
/* get pointer ot gre csum, if present */
include/linux/netfilter_ipv4/ip_nat_pptp.h
+2 -2
View File
@@ -4,8 +4,8 @@
/* conntrack private data */
struct ip_nat_pptp {
u_int16_t pns_call_id; /* NAT'ed PNS call id */
u_int16_t pac_call_id; /* NAT'ed PAC call id */
__be16 pns_call_id; /* NAT'ed PNS call id */
__be16 pac_call_id; /* NAT'ed PAC call id */
};
#endif /* _NAT_PPTP_H */