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Move syncache flag definitions below data structure, compress some vertical

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whitespace.

MFC after:	pretty soon
This commit is contained in:
Robert Watson 2008-12-10 11:11:43 +00:00
parent c3ce7a790c
commit 5d04565101
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=185857
1 changed files with 12 additions and 10 deletions
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22
sys/netinet/tcp_syncache.h
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@ -56,7 +56,6 @@ struct syncache {
struct in_conninfo sc_inc; /* addresses */
int sc_rxttime; /* retransmit time */
u_int16_t sc_rxmits; /* retransmit counter */
u_int32_t sc_tsreflect; /* timestamp to reflect */
u_int32_t sc_ts; /* our timestamp to send */
u_int32_t sc_tsoff; /* ts offset w/ syncookies */
@ -64,7 +63,6 @@ struct syncache {
tcp_seq sc_irs; /* seq from peer */
tcp_seq sc_iss; /* our ISS */
struct mbuf *sc_ipopts; /* source route */
u_int16_t sc_peer_mss; /* peer's MSS */
u_int16_t sc_wnd; /* advertised window */
u_int8_t sc_ip_ttl; /* IPv4 TTL */
@ -72,14 +70,6 @@ struct syncache {
u_int8_t sc_requested_s_scale:4,
sc_requested_r_scale:4;
u_int16_t sc_flags;
#define SCF_NOOPT 0x01 /* no TCP options */
#define SCF_WINSCALE 0x02 /* negotiated window scaling */
#define SCF_TIMESTAMP 0x04 /* negotiated timestamps */
/* MSS is implicit */
#define SCF_UNREACH 0x10 /* icmp unreachable received */
#define SCF_SIGNATURE 0x20 /* send MD5 digests */
#define SCF_SACK 0x80 /* send SACK option */
#define SCF_ECN 0x100 /* send ECN setup packet */
#ifndef TCP_OFFLOAD_DISABLE
struct toe_usrreqs *sc_tu; /* TOE operations */
void *sc_toepcb; /* TOE protocol block */
@ -90,6 +80,18 @@ struct syncache {
struct ucred *sc_cred; /* cred cache for jail checks */
};
/*
* Flags for the sc_flags field.
*/
#define SCF_NOOPT 0x01 /* no TCP options */
#define SCF_WINSCALE 0x02 /* negotiated window scaling */
#define SCF_TIMESTAMP 0x04 /* negotiated timestamps */
/* MSS is implicit */
#define SCF_UNREACH 0x10 /* icmp unreachable received */
#define SCF_SIGNATURE 0x20 /* send MD5 digests */
#define SCF_SACK 0x80 /* send SACK option */
#define SCF_ECN 0x100 /* send ECN setup packet */
#define SYNCOOKIE_SECRET_SIZE 8 /* dwords */
#define SYNCOOKIE_LIFETIME 16 /* seconds */