Generic socket buffer auto sizing support, header defines, flag inheritance.

MFC after:	1 month
This commit is contained in:
Andre Oppermann 2007-02-01 17:53:41 +00:00
parent 087b55ea59
commit 6a37f331d7
2 changed files with 9 additions and 0 deletions

View File

@ -368,6 +368,10 @@ socreate(dom, aso, type, proto, cred, td)
knlist_init(&so->so_snd.sb_sel.si_note, SOCKBUF_MTX(&so->so_snd),
NULL, NULL, NULL);
so->so_count = 1;
/*
* Auto-sizing of socket buffers is managed by the protocols and
* the appropriate flags must be set in the pru_attach function.
*/
error = (*prp->pr_usrreqs->pru_attach)(so, proto, td);
if (error) {
KASSERT(so->so_count == 1, ("socreate: so_count %d",
@ -442,6 +446,8 @@ sonewconn(head, connstatus)
so->so_snd.sb_lowat = head->so_snd.sb_lowat;
so->so_rcv.sb_timeo = head->so_rcv.sb_timeo;
so->so_snd.sb_timeo = head->so_snd.sb_timeo;
so->so_rcv.sb_flags |= head->so_rcv.sb_flags & SB_AUTOSIZE;
so->so_snd.sb_flags |= head->so_snd.sb_flags & SB_AUTOSIZE;
so->so_state |= connstatus;
ACCEPT_LOCK();
if (connstatus) {
@ -2116,6 +2122,8 @@ sosetopt(so, sopt)
error = ENOBUFS;
goto bad;
}
(sopt->sopt_name == SO_SNDBUF ? &so->so_snd :
&so->so_rcv)->sb_flags &= ~SB_AUTOSIZE;
break;
/*

View File

@ -128,6 +128,7 @@ struct socket {
#define SB_NOINTR 0x40 /* operations not interruptible */
#define SB_AIO 0x80 /* AIO operations queued */
#define SB_KNOTE 0x100 /* kernel note attached */
#define SB_AUTOSIZE 0x800 /* automatically size socket buffer */
void (*so_upcall)(struct socket *, void *, int);
void *so_upcallarg;