version 1.98, 2004/04/17 15:15:29 |
version 1.113, 2005/12/08 03:13:18 |
Line 94 __KERNEL_RCSID(0, "$NetBSD$"); |
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Line 94 __KERNEL_RCSID(0, "$NetBSD$"); |
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#include <uvm/uvm.h> |
#include <uvm/uvm.h> |
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struct pool socket_pool; |
POOL_INIT(socket_pool, sizeof(struct socket), 0, 0, 0, "sockpl", NULL); |
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MALLOC_DEFINE(M_SOOPTS, "soopts", "socket options"); |
MALLOC_DEFINE(M_SOOPTS, "soopts", "socket options"); |
MALLOC_DEFINE(M_SONAME, "soname", "socket name"); |
MALLOC_DEFINE(M_SONAME, "soname", "socket name"); |
Line 105 int somaxconn = SOMAXCONN; |
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Line 105 int somaxconn = SOMAXCONN; |
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#ifdef SOSEND_COUNTERS |
#ifdef SOSEND_COUNTERS |
#include <sys/device.h> |
#include <sys/device.h> |
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struct evcnt sosend_loan_big = EVCNT_INITIALIZER(EVCNT_TYPE_MISC, |
static struct evcnt sosend_loan_big = EVCNT_INITIALIZER(EVCNT_TYPE_MISC, |
NULL, "sosend", "loan big"); |
NULL, "sosend", "loan big"); |
struct evcnt sosend_copy_big = EVCNT_INITIALIZER(EVCNT_TYPE_MISC, |
static struct evcnt sosend_copy_big = EVCNT_INITIALIZER(EVCNT_TYPE_MISC, |
NULL, "sosend", "copy big"); |
NULL, "sosend", "copy big"); |
struct evcnt sosend_copy_small = EVCNT_INITIALIZER(EVCNT_TYPE_MISC, |
static struct evcnt sosend_copy_small = EVCNT_INITIALIZER(EVCNT_TYPE_MISC, |
NULL, "sosend", "copy small"); |
NULL, "sosend", "copy small"); |
struct evcnt sosend_kvalimit = EVCNT_INITIALIZER(EVCNT_TYPE_MISC, |
static struct evcnt sosend_kvalimit = EVCNT_INITIALIZER(EVCNT_TYPE_MISC, |
NULL, "sosend", "kva limit"); |
NULL, "sosend", "kva limit"); |
|
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#define SOSEND_COUNTER_INCR(ev) (ev)->ev_count++ |
#define SOSEND_COUNTER_INCR(ev) (ev)->ev_count++ |
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EVCNT_ATTACH_STATIC(sosend_loan_big); |
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EVCNT_ATTACH_STATIC(sosend_copy_big); |
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EVCNT_ATTACH_STATIC(sosend_copy_small); |
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EVCNT_ATTACH_STATIC(sosend_kvalimit); |
#else |
#else |
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#define SOSEND_COUNTER_INCR(ev) /* nothing */ |
#define SOSEND_COUNTER_INCR(ev) /* nothing */ |
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/* Set the initial adjusted socket buffer size. */ |
/* Set the initial adjusted socket buffer size. */ |
if (sb_max_set(sb_max)) |
if (sb_max_set(sb_max)) |
panic("bad initial sb_max value: %lu\n", sb_max); |
panic("bad initial sb_max value: %lu", sb_max); |
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pool_init(&socket_pool, sizeof(struct socket), 0, 0, 0, |
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"sockpl", NULL); |
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#ifdef SOSEND_COUNTERS |
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evcnt_attach_static(&sosend_loan_big); |
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evcnt_attach_static(&sosend_copy_big); |
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evcnt_attach_static(&sosend_copy_small); |
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evcnt_attach_static(&sosend_kvalimit); |
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#endif /* SOSEND_COUNTERS */ |
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} |
} |
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#ifdef SOSEND_NO_LOAN |
#ifdef SOSEND_NO_LOAN |
Line 147 int use_sosend_loan = 0; |
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Line 142 int use_sosend_loan = 0; |
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int use_sosend_loan = 1; |
int use_sosend_loan = 1; |
#endif |
#endif |
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struct simplelock so_pendfree_slock = SIMPLELOCK_INITIALIZER; |
static struct simplelock so_pendfree_slock = SIMPLELOCK_INITIALIZER; |
struct mbuf *so_pendfree; |
static struct mbuf *so_pendfree; |
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#ifndef SOMAXKVA |
#ifndef SOMAXKVA |
#define SOMAXKVA (16 * 1024 * 1024) |
#define SOMAXKVA (16 * 1024 * 1024) |
#endif |
#endif |
int somaxkva = SOMAXKVA; |
int somaxkva = SOMAXKVA; |
int socurkva; |
static int socurkva; |
int sokvawaiters; |
static int sokvawaiters; |
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#define SOCK_LOAN_THRESH 4096 |
#define SOCK_LOAN_THRESH 4096 |
#define SOCK_LOAN_CHUNK 65536 |
#define SOCK_LOAN_CHUNK 65536 |
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static size_t sodopendfree(struct socket *); |
static size_t sodopendfree(struct socket *); |
static size_t sodopendfreel(struct socket *); |
static size_t sodopendfreel(struct socket *); |
static __inline vsize_t sokvareserve(struct socket *, vsize_t); |
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static __inline void sokvaunreserve(vsize_t); |
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static __inline vsize_t |
static vsize_t |
sokvareserve(struct socket *so, vsize_t len) |
sokvareserve(struct socket *so, vsize_t len) |
{ |
{ |
int s; |
int s; |
Line 205 sokvareserve(struct socket *so, vsize_t |
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Line 198 sokvareserve(struct socket *so, vsize_t |
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return len; |
return len; |
} |
} |
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static __inline void |
static void |
sokvaunreserve(vsize_t len) |
sokvaunreserve(vsize_t len) |
{ |
{ |
int s; |
int s; |
Line 239 sokvaalloc(vsize_t len, struct socket *s |
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Line 232 sokvaalloc(vsize_t len, struct socket *s |
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* allocate kva. |
* allocate kva. |
*/ |
*/ |
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lva = uvm_km_valloc_wait(kernel_map, len); |
lva = uvm_km_alloc(kernel_map, len, 0, UVM_KMF_VAONLY | UVM_KMF_WAITVA); |
if (lva == 0) { |
if (lva == 0) { |
sokvaunreserve(len); |
sokvaunreserve(len); |
return (0); |
return (0); |
Line 260 sokvafree(vaddr_t sva, vsize_t len) |
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Line 253 sokvafree(vaddr_t sva, vsize_t len) |
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* free kva. |
* free kva. |
*/ |
*/ |
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uvm_km_free(kernel_map, sva, len); |
uvm_km_free(kernel_map, sva, len, UVM_KMF_VAONLY); |
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/* |
/* |
* unreserve kva. |
* unreserve kva. |
Line 412 sosend_loan(struct socket *so, struct ui |
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Line 405 sosend_loan(struct socket *so, struct ui |
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/* XXX KDASSERT */ |
/* XXX KDASSERT */ |
KASSERT(npgs <= M_EXT_MAXPAGES); |
KASSERT(npgs <= M_EXT_MAXPAGES); |
|
KASSERT(uio->uio_procp != NULL); |
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lva = sokvaalloc(len, so); |
lva = sokvaalloc(len, so); |
if (lva == 0) |
if (lva == 0) |
Line 455 sosend_loan(struct socket *so, struct ui |
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Line 449 sosend_loan(struct socket *so, struct ui |
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*/ |
*/ |
/*ARGSUSED*/ |
/*ARGSUSED*/ |
int |
int |
socreate(int dom, struct socket **aso, int type, int proto) |
socreate(int dom, struct socket **aso, int type, int proto, struct proc *p) |
{ |
{ |
struct proc *p; |
const struct protosw *prp; |
struct protosw *prp; |
|
struct socket *so; |
struct socket *so; |
int error, s; |
int error, s; |
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p = curproc; /* XXX */ |
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if (proto) |
if (proto) |
prp = pffindproto(dom, proto, type); |
prp = pffindproto(dom, proto, type); |
else |
else |
Line 486 socreate(int dom, struct socket **aso, i |
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Line 478 socreate(int dom, struct socket **aso, i |
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so->so_mowner = &prp->pr_domain->dom_mowner; |
so->so_mowner = &prp->pr_domain->dom_mowner; |
#endif |
#endif |
if (p != 0) |
if (p != 0) |
so->so_uid = p->p_ucred->cr_uid; |
so->so_uidinfo = uid_find(p->p_ucred->cr_uid); |
else |
else |
so->so_uid = UID_MAX; |
so->so_uidinfo = uid_find(0); |
error = (*prp->pr_usrreq)(so, PRU_ATTACH, (struct mbuf *)0, |
error = (*prp->pr_usrreq)(so, PRU_ATTACH, (struct mbuf *)0, |
(struct mbuf *)(long)proto, (struct mbuf *)0, p); |
(struct mbuf *)(long)proto, (struct mbuf *)0, p); |
if (error) { |
if (error) { |
Line 551 sofree(struct socket *so) |
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Line 543 sofree(struct socket *so) |
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return; |
return; |
} |
} |
if (so->so_rcv.sb_hiwat) |
if (so->so_rcv.sb_hiwat) |
(void)chgsbsize(so->so_uid, &so->so_rcv.sb_hiwat, 0, |
(void)chgsbsize(so->so_uidinfo, &so->so_rcv.sb_hiwat, 0, |
RLIM_INFINITY); |
RLIM_INFINITY); |
if (so->so_snd.sb_hiwat) |
if (so->so_snd.sb_hiwat) |
(void)chgsbsize(so->so_uid, &so->so_snd.sb_hiwat, 0, |
(void)chgsbsize(so->so_uidinfo, &so->so_snd.sb_hiwat, 0, |
RLIM_INFINITY); |
RLIM_INFINITY); |
sbrelease(&so->so_snd, so); |
sbrelease(&so->so_snd, so); |
sorflush(so); |
sorflush(so); |
Line 655 soaccept(struct socket *so, struct mbuf |
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Line 647 soaccept(struct socket *so, struct mbuf |
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} |
} |
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int |
int |
soconnect(struct socket *so, struct mbuf *nam) |
soconnect(struct socket *so, struct mbuf *nam, struct proc *p) |
{ |
{ |
struct proc *p; |
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int s, error; |
int s, error; |
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p = curproc; /* XXX */ |
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if (so->so_options & SO_ACCEPTCONN) |
if (so->so_options & SO_ACCEPTCONN) |
return (EOPNOTSUPP); |
return (EOPNOTSUPP); |
s = splsoftnet(); |
s = splsoftnet(); |
Line 737 sodisconnect(struct socket *so) |
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Line 727 sodisconnect(struct socket *so) |
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*/ |
*/ |
int |
int |
sosend(struct socket *so, struct mbuf *addr, struct uio *uio, struct mbuf *top, |
sosend(struct socket *so, struct mbuf *addr, struct uio *uio, struct mbuf *top, |
struct mbuf *control, int flags) |
struct mbuf *control, int flags, struct proc *p) |
{ |
{ |
struct proc *p; |
|
struct mbuf **mp, *m; |
struct mbuf **mp, *m; |
long space, len, resid, clen, mlen; |
long space, len, resid, clen, mlen; |
int error, s, dontroute, atomic; |
int error, s, dontroute, atomic; |
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sodopendfree(so); |
sodopendfree(so); |
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p = curproc; /* XXX */ |
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clen = 0; |
clen = 0; |
atomic = sosendallatonce(so) || top; |
atomic = sosendallatonce(so) || top; |
if (uio) |
if (uio) |
Line 767 sosend(struct socket *so, struct mbuf *a |
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Line 755 sosend(struct socket *so, struct mbuf *a |
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dontroute = |
dontroute = |
(flags & MSG_DONTROUTE) && (so->so_options & SO_DONTROUTE) == 0 && |
(flags & MSG_DONTROUTE) && (so->so_options & SO_DONTROUTE) == 0 && |
(so->so_proto->pr_flags & PR_ATOMIC); |
(so->so_proto->pr_flags & PR_ATOMIC); |
p->p_stats->p_ru.ru_msgsnd++; |
if (p) |
|
p->p_stats->p_ru.ru_msgsnd++; |
if (control) |
if (control) |
clen = control->m_len; |
clen = control->m_len; |
#define snderr(errno) { error = errno; splx(s); goto release; } |
#define snderr(errno) { error = errno; splx(s); goto release; } |
Line 882 sosend(struct socket *so, struct mbuf *a |
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Line 871 sosend(struct socket *so, struct mbuf *a |
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break; |
break; |
} |
} |
} while (space > 0 && atomic); |
} while (space > 0 && atomic); |
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s = splsoftnet(); |
s = splsoftnet(); |
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if (so->so_state & SS_CANTSENDMORE) |
if (so->so_state & SS_CANTSENDMORE) |
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soreceive(struct socket *so, struct mbuf **paddr, struct uio *uio, |
soreceive(struct socket *so, struct mbuf **paddr, struct uio *uio, |
struct mbuf **mp0, struct mbuf **controlp, int *flagsp) |
struct mbuf **mp0, struct mbuf **controlp, int *flagsp) |
{ |
{ |
|
struct proc * p; |
struct mbuf *m, **mp; |
struct mbuf *m, **mp; |
int flags, len, error, s, offset, moff, type, orig_resid; |
int flags, len, error, s, offset, moff, type, orig_resid; |
struct protosw *pr; |
const struct protosw *pr; |
struct mbuf *nextrecord; |
struct mbuf *nextrecord; |
int mbuf_removed = 0; |
int mbuf_removed = 0; |
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Line 950 soreceive(struct socket *so, struct mbuf |
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Line 940 soreceive(struct socket *so, struct mbuf |
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mp = mp0; |
mp = mp0; |
type = 0; |
type = 0; |
orig_resid = uio->uio_resid; |
orig_resid = uio->uio_resid; |
|
p = uio->uio_procp; |
|
|
if (paddr) |
if (paddr) |
*paddr = 0; |
*paddr = 0; |
if (controlp) |
if (controlp) |
Line 965 soreceive(struct socket *so, struct mbuf |
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Line 957 soreceive(struct socket *so, struct mbuf |
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if (flags & MSG_OOB) { |
if (flags & MSG_OOB) { |
m = m_get(M_WAIT, MT_DATA); |
m = m_get(M_WAIT, MT_DATA); |
error = (*pr->pr_usrreq)(so, PRU_RCVOOB, m, |
error = (*pr->pr_usrreq)(so, PRU_RCVOOB, m, |
(struct mbuf *)(long)(flags & MSG_PEEK), (struct mbuf *)0, |
(struct mbuf *)(long)(flags & MSG_PEEK), |
(struct proc *)0); |
(struct mbuf *)0, p); |
if (error) |
if (error) |
goto bad; |
goto bad; |
do { |
do { |
Line 983 soreceive(struct socket *so, struct mbuf |
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Line 975 soreceive(struct socket *so, struct mbuf |
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*mp = (struct mbuf *)0; |
*mp = (struct mbuf *)0; |
if (so->so_state & SS_ISCONFIRMING && uio->uio_resid) |
if (so->so_state & SS_ISCONFIRMING && uio->uio_resid) |
(*pr->pr_usrreq)(so, PRU_RCVD, (struct mbuf *)0, |
(*pr->pr_usrreq)(so, PRU_RCVD, (struct mbuf *)0, |
(struct mbuf *)0, (struct mbuf *)0, (struct proc *)0); |
(struct mbuf *)0, (struct mbuf *)0, p); |
|
|
restart: |
restart: |
if ((error = sblock(&so->so_rcv, SBLOCKWAIT(flags))) != 0) |
if ((error = sblock(&so->so_rcv, SBLOCKWAIT(flags))) != 0) |
Line 1056 soreceive(struct socket *so, struct mbuf |
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Line 1048 soreceive(struct socket *so, struct mbuf |
|
* While we process the initial mbufs containing address and control |
* While we process the initial mbufs containing address and control |
* info, we save a copy of m->m_nextpkt into nextrecord. |
* info, we save a copy of m->m_nextpkt into nextrecord. |
*/ |
*/ |
#ifdef notyet /* XXXX */ |
if (p) |
if (uio->uio_procp) |
p->p_stats->p_ru.ru_msgrcv++; |
uio->uio_procp->p_stats->p_ru.ru_msgrcv++; |
|
#endif |
|
KASSERT(m == so->so_rcv.sb_mb); |
KASSERT(m == so->so_rcv.sb_mb); |
SBLASTRECORDCHK(&so->so_rcv, "soreceive 1"); |
SBLASTRECORDCHK(&so->so_rcv, "soreceive 1"); |
SBLASTMBUFCHK(&so->so_rcv, "soreceive 1"); |
SBLASTMBUFCHK(&so->so_rcv, "soreceive 1"); |
Line 1097 soreceive(struct socket *so, struct mbuf |
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Line 1087 soreceive(struct socket *so, struct mbuf |
|
sbfree(&so->so_rcv, m); |
sbfree(&so->so_rcv, m); |
mbuf_removed = 1; |
mbuf_removed = 1; |
if (controlp) { |
if (controlp) { |
if (pr->pr_domain->dom_externalize && |
struct domain *dom = pr->pr_domain; |
|
if (dom->dom_externalize && p && |
mtod(m, struct cmsghdr *)->cmsg_type == |
mtod(m, struct cmsghdr *)->cmsg_type == |
SCM_RIGHTS) |
SCM_RIGHTS) |
error = (*pr->pr_domain->dom_externalize)(m); |
error = (*dom->dom_externalize)(m, p); |
*controlp = m; |
*controlp = m; |
so->so_rcv.sb_mb = m->m_next; |
so->so_rcv.sb_mb = m->m_next; |
m->m_next = 0; |
m->m_next = 0; |
m = so->so_rcv.sb_mb; |
m = so->so_rcv.sb_mb; |
} else { |
} else { |
|
/* |
|
* Dispose of any SCM_RIGHTS message that went |
|
* through the read path rather than recv. |
|
*/ |
|
if (pr->pr_domain->dom_dispose && |
|
mtod(m, struct cmsghdr *)->cmsg_type == SCM_RIGHTS) |
|
(*pr->pr_domain->dom_dispose)(m); |
MFREE(m, so->so_rcv.sb_mb); |
MFREE(m, so->so_rcv.sb_mb); |
m = so->so_rcv.sb_mb; |
m = so->so_rcv.sb_mb; |
} |
} |
Line 1286 soreceive(struct socket *so, struct mbuf |
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Line 1284 soreceive(struct socket *so, struct mbuf |
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(*pr->pr_usrreq)(so, PRU_RCVD, |
(*pr->pr_usrreq)(so, PRU_RCVD, |
(struct mbuf *)0, |
(struct mbuf *)0, |
(struct mbuf *)(long)flags, |
(struct mbuf *)(long)flags, |
(struct mbuf *)0, |
(struct mbuf *)0, p); |
(struct proc *)0); |
|
SBLASTRECORDCHK(&so->so_rcv, "soreceive sbwait 2"); |
SBLASTRECORDCHK(&so->so_rcv, "soreceive sbwait 2"); |
SBLASTMBUFCHK(&so->so_rcv, "soreceive sbwait 2"); |
SBLASTMBUFCHK(&so->so_rcv, "soreceive sbwait 2"); |
error = sbwait(&so->so_rcv); |
error = sbwait(&so->so_rcv); |
Line 1324 soreceive(struct socket *so, struct mbuf |
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Line 1321 soreceive(struct socket *so, struct mbuf |
|
SBLASTMBUFCHK(&so->so_rcv, "soreceive 4"); |
SBLASTMBUFCHK(&so->so_rcv, "soreceive 4"); |
if (pr->pr_flags & PR_WANTRCVD && so->so_pcb) |
if (pr->pr_flags & PR_WANTRCVD && so->so_pcb) |
(*pr->pr_usrreq)(so, PRU_RCVD, (struct mbuf *)0, |
(*pr->pr_usrreq)(so, PRU_RCVD, (struct mbuf *)0, |
(struct mbuf *)(long)flags, (struct mbuf *)0, |
(struct mbuf *)(long)flags, (struct mbuf *)0, p); |
(struct proc *)0); |
|
} |
} |
if (orig_resid == uio->uio_resid && orig_resid && |
if (orig_resid == uio->uio_resid && orig_resid && |
(flags & MSG_EOR) == 0 && (so->so_state & SS_CANTRCVMORE) == 0) { |
(flags & MSG_EOR) == 0 && (so->so_state & SS_CANTRCVMORE) == 0) { |
Line 1333 soreceive(struct socket *so, struct mbuf |
|
Line 1329 soreceive(struct socket *so, struct mbuf |
|
splx(s); |
splx(s); |
goto restart; |
goto restart; |
} |
} |
|
|
if (flagsp) |
if (flagsp) |
*flagsp |= flags; |
*flagsp |= flags; |
release: |
release: |
Line 1345 soreceive(struct socket *so, struct mbuf |
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Line 1341 soreceive(struct socket *so, struct mbuf |
|
int |
int |
soshutdown(struct socket *so, int how) |
soshutdown(struct socket *so, int how) |
{ |
{ |
struct protosw *pr; |
const struct protosw *pr; |
|
|
pr = so->so_proto; |
pr = so->so_proto; |
if (!(how == SHUT_RD || how == SHUT_WR || how == SHUT_RDWR)) |
if (!(how == SHUT_RD || how == SHUT_WR || how == SHUT_RDWR)) |
|
|
sorflush(struct socket *so) |
sorflush(struct socket *so) |
{ |
{ |
struct sockbuf *sb, asb; |
struct sockbuf *sb, asb; |
struct protosw *pr; |
const struct protosw *pr; |
int s; |
int s; |
|
|
sb = &so->so_rcv; |
sb = &so->so_rcv; |
Line 1407 sosetopt(struct socket *so, int level, i |
|
Line 1403 sosetopt(struct socket *so, int level, i |
|
error = EINVAL; |
error = EINVAL; |
goto bad; |
goto bad; |
} |
} |
|
if (mtod(m, struct linger *)->l_linger < 0 || |
|
mtod(m, struct linger *)->l_linger > (INT_MAX / hz)) { |
|
error = EDOM; |
|
goto bad; |
|
} |
so->so_linger = mtod(m, struct linger *)->l_linger; |
so->so_linger = mtod(m, struct linger *)->l_linger; |
/* fall thru... */ |
/* fall thru... */ |
|
|
Line 1485 sosetopt(struct socket *so, int level, i |
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Line 1486 sosetopt(struct socket *so, int level, i |
|
case SO_RCVTIMEO: |
case SO_RCVTIMEO: |
{ |
{ |
struct timeval *tv; |
struct timeval *tv; |
short val; |
int val; |
|
|
if (m == NULL || m->m_len < sizeof(*tv)) { |
if (m == NULL || m->m_len < sizeof(*tv)) { |
error = EINVAL; |
error = EINVAL; |
goto bad; |
goto bad; |
} |
} |
tv = mtod(m, struct timeval *); |
tv = mtod(m, struct timeval *); |
if (tv->tv_sec > (SHRT_MAX - tv->tv_usec / tick) / hz) { |
if (tv->tv_sec > (INT_MAX - tv->tv_usec / tick) / hz) { |
error = EDOM; |
error = EDOM; |
goto bad; |
goto bad; |
} |
} |
Line 1602 sogetopt(struct socket *so, int level, i |
|
Line 1603 sogetopt(struct socket *so, int level, i |
|
break; |
break; |
} |
} |
|
|
|
case SO_OVERFLOWED: |
|
*mtod(m, int *) = so->so_rcv.sb_overflowed; |
|
break; |
|
|
default: |
default: |
(void)m_free(m); |
(void)m_free(m); |
return (ENOPROTOOPT); |
return (ENOPROTOOPT); |
Line 1638 filt_soread(struct knote *kn, long hint) |
|
Line 1643 filt_soread(struct knote *kn, long hint) |
|
so = (struct socket *)kn->kn_fp->f_data; |
so = (struct socket *)kn->kn_fp->f_data; |
kn->kn_data = so->so_rcv.sb_cc; |
kn->kn_data = so->so_rcv.sb_cc; |
if (so->so_state & SS_CANTRCVMORE) { |
if (so->so_state & SS_CANTRCVMORE) { |
kn->kn_flags |= EV_EOF; |
kn->kn_flags |= EV_EOF; |
kn->kn_fflags = so->so_error; |
kn->kn_fflags = so->so_error; |
return (1); |
return (1); |
} |
} |
Line 1669 filt_sowrite(struct knote *kn, long hint |
|
Line 1674 filt_sowrite(struct knote *kn, long hint |
|
so = (struct socket *)kn->kn_fp->f_data; |
so = (struct socket *)kn->kn_fp->f_data; |
kn->kn_data = sbspace(&so->so_snd); |
kn->kn_data = sbspace(&so->so_snd); |
if (so->so_state & SS_CANTSENDMORE) { |
if (so->so_state & SS_CANTSENDMORE) { |
kn->kn_flags |= EV_EOF; |
kn->kn_flags |= EV_EOF; |
kn->kn_fflags = so->so_error; |
kn->kn_fflags = so->so_error; |
return (1); |
return (1); |
} |
} |
Line 1694 filt_solisten(struct knote *kn, long hin |
|
Line 1699 filt_solisten(struct knote *kn, long hin |
|
/* |
/* |
* Set kn_data to number of incoming connections, not |
* Set kn_data to number of incoming connections, not |
* counting partial (incomplete) connections. |
* counting partial (incomplete) connections. |
*/ |
*/ |
kn->kn_data = so->so_qlen; |
kn->kn_data = so->so_qlen; |
return (kn->kn_data > 0); |
return (kn->kn_data > 0); |
} |
} |
Line 1780 SYSCTL_SETUP(sysctl_kern_somaxkva_setup, |
|
Line 1785 SYSCTL_SETUP(sysctl_kern_somaxkva_setup, |
|
|
|
sysctl_createv(clog, 0, NULL, NULL, |
sysctl_createv(clog, 0, NULL, NULL, |
CTLFLAG_PERMANENT|CTLFLAG_READWRITE, |
CTLFLAG_PERMANENT|CTLFLAG_READWRITE, |
CTLTYPE_INT, "somaxkva", NULL, |
CTLTYPE_INT, "somaxkva", |
|
SYSCTL_DESCR("Maximum amount of kernel memory to be " |
|
"used for socket buffers"), |
sysctl_kern_somaxkva, 0, NULL, 0, |
sysctl_kern_somaxkva, 0, NULL, 0, |
CTL_KERN, KERN_SOMAXKVA, CTL_EOL); |
CTL_KERN, KERN_SOMAXKVA, CTL_EOL); |
} |
} |