d/freebsd-nq
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Rearrange fields in struct syncache and syncache_head to make them more

Browse Source 
cache line friendly.

Sponsored by:   TCP/IP Optimization Fundraise 2005
This commit is contained in:
Andre Oppermann 2006-06-17 17:57:36 +00:00
parent 0c529372f0
commit 93f0d0c5bf
1 changed files with 6 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
sys/netinet/tcp_var.h
View File

@ -245,14 +245,16 @@ struct tcpopt {
#ifdef _NETINET_IN_PCB_H_
struct syncache {
struct mbuf *sc_ipopts; /* source route */
TAILQ_ENTRY(syncache) sc_hash;
struct in_conninfo sc_inc; /* addresses */
u_long sc_rxttime; /* retransmit time */
u_int16_t sc_rxmits; /* retransmit counter */
u_int32_t sc_tsrecent;
u_int32_t sc_flowlabel; /* IPv6 flowlabel */
tcp_seq sc_irs; /* seq from peer */
tcp_seq sc_iss; /* our ISS */
u_long sc_rxttime; /* retransmit time */
u_int16_t sc_rxmits; /* retransmit counter */
struct mbuf *sc_ipopts; /* source route */
u_int16_t sc_peer_mss; /* peer's MSS */
u_int16_t sc_wnd; /* advertised window */
@ -267,12 +269,11 @@ struct syncache {
#define SCF_UNREACH 0x10 /* icmp unreachable received */
#define SCF_SIGNATURE 0x20 /* send MD5 digests */
#define SCF_SACK 0x80 /* send SACK option */
TAILQ_ENTRY(syncache) sc_hash;
};
struct syncache_head {
TAILQ_HEAD(sch_head, syncache) sch_bucket;
struct mtx sch_mtx;
TAILQ_HEAD(sch_head, syncache) sch_bucket;
struct callout sch_timer;
int sch_nextc;
u_int sch_length;