version 1.74, 2002/11/27 03:36:04 |
version 1.79, 2003/04/09 18:38:03 |
Line 97 __KERNEL_RCSID(0, "$NetBSD$"); |
|
Line 97 __KERNEL_RCSID(0, "$NetBSD$"); |
|
|
|
struct pool socket_pool; |
struct pool socket_pool; |
|
|
|
MALLOC_DEFINE(M_SOOPTS, "soopts", "socket options"); |
|
MALLOC_DEFINE(M_SONAME, "soname", "socket name"); |
|
|
extern int somaxconn; /* patchable (XXX sysctl) */ |
extern int somaxconn; /* patchable (XXX sysctl) */ |
int somaxconn = SOMAXCONN; |
int somaxconn = SOMAXCONN; |
|
|
Line 151 int sokvawaiters; |
|
Line 154 int sokvawaiters; |
|
#define SOCK_LOAN_CHUNK 65536 |
#define SOCK_LOAN_CHUNK 65536 |
|
|
static void |
static void |
sodoloanfree(caddr_t buf, u_int size) |
sodoloanfree(struct vm_page **pgs, caddr_t buf, size_t size) |
{ |
{ |
struct vm_page **pgs; |
|
vaddr_t va, sva, eva; |
vaddr_t va, sva, eva; |
vsize_t len; |
vsize_t len; |
paddr_t pa; |
paddr_t pa; |
Line 164 sodoloanfree(caddr_t buf, u_int size) |
|
Line 166 sodoloanfree(caddr_t buf, u_int size) |
|
len = eva - sva; |
len = eva - sva; |
npgs = len >> PAGE_SHIFT; |
npgs = len >> PAGE_SHIFT; |
|
|
pgs = alloca(npgs * sizeof(*pgs)); |
if (__predict_false(pgs == NULL)) { |
|
pgs = alloca(npgs * sizeof(*pgs)); |
|
|
for (i = 0, va = sva; va < eva; i++, va += PAGE_SIZE) { |
for (i = 0, va = sva; va < eva; i++, va += PAGE_SIZE) { |
if (pmap_extract(pmap_kernel(), va, &pa) == FALSE) |
if (pmap_extract(pmap_kernel(), va, &pa) == FALSE) |
panic("sodoloanfree: va 0x%lx not mapped", va); |
panic("sodoloanfree: va 0x%lx not mapped", va); |
pgs[i] = PHYS_TO_VM_PAGE(pa); |
pgs[i] = PHYS_TO_VM_PAGE(pa); |
|
} |
} |
} |
|
|
pmap_kremove(sva, len); |
pmap_kremove(sva, len); |
Line 198 sodopendfree(struct socket *so) |
|
Line 202 sodopendfree(struct socket *so) |
|
splx(s); |
splx(s); |
|
|
rv += m->m_ext.ext_size; |
rv += m->m_ext.ext_size; |
sodoloanfree(m->m_ext.ext_buf, m->m_ext.ext_size); |
sodoloanfree((m->m_flags & M_EXT_PAGES) ? |
|
m->m_ext.ext_pgs : NULL, m->m_ext.ext_buf, |
|
m->m_ext.ext_size); |
s = splvm(); |
s = splvm(); |
pool_cache_put(&mbpool_cache, m); |
pool_cache_put(&mbpool_cache, m); |
} |
} |
Line 211 sodopendfree(struct socket *so) |
|
Line 217 sodopendfree(struct socket *so) |
|
splx(s); |
splx(s); |
|
|
rv += m->m_ext.ext_size; |
rv += m->m_ext.ext_size; |
sodoloanfree(m->m_ext.ext_buf, m->m_ext.ext_size); |
sodoloanfree((m->m_flags & M_EXT_PAGES) ? |
|
m->m_ext.ext_pgs : NULL, m->m_ext.ext_buf, |
|
m->m_ext.ext_size); |
s = splvm(); |
s = splvm(); |
pool_cache_put(&mbpool_cache, m); |
pool_cache_put(&mbpool_cache, m); |
} |
} |
Line 221 sodopendfree(struct socket *so) |
|
Line 229 sodopendfree(struct socket *so) |
|
} |
} |
|
|
static void |
static void |
soloanfree(struct mbuf *m, caddr_t buf, u_int size, void *arg) |
soloanfree(struct mbuf *m, caddr_t buf, size_t size, void *arg) |
{ |
{ |
struct socket *so = arg; |
struct socket *so = arg; |
int s; |
int s; |
|
|
if (m == NULL) { |
if (m == NULL) { |
sodoloanfree(buf, size); |
sodoloanfree(NULL, buf, size); |
return; |
return; |
} |
} |
|
|
Line 245 sosend_loan(struct socket *so, struct ui |
|
Line 253 sosend_loan(struct socket *so, struct ui |
|
struct iovec *iov = uio->uio_iov; |
struct iovec *iov = uio->uio_iov; |
vaddr_t sva, eva; |
vaddr_t sva, eva; |
vsize_t len; |
vsize_t len; |
struct vm_page **pgs; |
|
vaddr_t lva, va; |
vaddr_t lva, va; |
int npgs, s, i, error; |
int npgs, s, i, error; |
|
|
Line 262 sosend_loan(struct socket *so, struct ui |
|
Line 269 sosend_loan(struct socket *so, struct ui |
|
len = eva - sva; |
len = eva - sva; |
npgs = len >> PAGE_SHIFT; |
npgs = len >> PAGE_SHIFT; |
|
|
|
/* XXX KDASSERT */ |
|
KASSERT(npgs <= M_EXT_MAXPAGES); |
|
|
while (socurkva + len > somaxkva) { |
while (socurkva + len > somaxkva) { |
if (sodopendfree(so)) |
if (sodopendfree(so)) |
continue; |
continue; |
Line 278 sosend_loan(struct socket *so, struct ui |
|
Line 288 sosend_loan(struct socket *so, struct ui |
|
return (0); |
return (0); |
socurkva += len; |
socurkva += len; |
|
|
pgs = alloca(npgs * sizeof(*pgs)); |
|
|
|
error = uvm_loan(&uio->uio_procp->p_vmspace->vm_map, sva, len, |
error = uvm_loan(&uio->uio_procp->p_vmspace->vm_map, sva, len, |
pgs, UVM_LOAN_TOPAGE); |
m->m_ext.ext_pgs, UVM_LOAN_TOPAGE); |
if (error) { |
if (error) { |
uvm_km_free(kernel_map, lva, len); |
uvm_km_free(kernel_map, lva, len); |
socurkva -= len; |
socurkva -= len; |
Line 289 sosend_loan(struct socket *so, struct ui |
|
Line 297 sosend_loan(struct socket *so, struct ui |
|
} |
} |
|
|
for (i = 0, va = lva; i < npgs; i++, va += PAGE_SIZE) |
for (i = 0, va = lva; i < npgs; i++, va += PAGE_SIZE) |
pmap_kenter_pa(va, VM_PAGE_TO_PHYS(pgs[i]), VM_PROT_READ); |
pmap_kenter_pa(va, VM_PAGE_TO_PHYS(m->m_ext.ext_pgs[i]), |
|
VM_PROT_READ); |
pmap_update(pmap_kernel()); |
pmap_update(pmap_kernel()); |
|
|
lva += (vaddr_t) iov->iov_base & PAGE_MASK; |
lva += (vaddr_t) iov->iov_base & PAGE_MASK; |
|
|
MEXTADD(m, (caddr_t) lva, space, M_MBUF, soloanfree, so); |
MEXTADD(m, (caddr_t) lva, space, M_MBUF, soloanfree, so); |
|
m->m_flags |= M_EXT_PAGES | M_EXT_ROMAP; |
|
|
uio->uio_resid -= space; |
uio->uio_resid -= space; |
/* uio_offset not updated, not set/used for write(2) */ |
/* uio_offset not updated, not set/used for write(2) */ |
Line 342 socreate(int dom, struct socket **aso, i |
|
Line 352 socreate(int dom, struct socket **aso, i |
|
so->so_proto = prp; |
so->so_proto = prp; |
so->so_send = sosend; |
so->so_send = sosend; |
so->so_receive = soreceive; |
so->so_receive = soreceive; |
|
#ifdef MBUFTRACE |
|
so->so_rcv.sb_mowner = &prp->pr_domain->dom_mowner; |
|
so->so_snd.sb_mowner = &prp->pr_domain->dom_mowner; |
|
so->so_mowner = &prp->pr_domain->dom_mowner; |
|
#endif |
if (p != 0) |
if (p != 0) |
so->so_uid = p->p_ucred->cr_uid; |
so->so_uid = p->p_ucred->cr_uid; |
error = (*prp->pr_usrreq)(so, PRU_ATTACH, (struct mbuf *)0, |
error = (*prp->pr_usrreq)(so, PRU_ATTACH, (struct mbuf *)0, |
Line 678 sosend(struct socket *so, struct mbuf *a |
|
Line 693 sosend(struct socket *so, struct mbuf *a |
|
top->m_flags |= M_EOR; |
top->m_flags |= M_EOR; |
} else do { |
} else do { |
if (top == 0) { |
if (top == 0) { |
MGETHDR(m, M_WAIT, MT_DATA); |
m = m_gethdr(M_WAIT, MT_DATA); |
mlen = MHLEN; |
mlen = MHLEN; |
m->m_pkthdr.len = 0; |
m->m_pkthdr.len = 0; |
m->m_pkthdr.rcvif = (struct ifnet *)0; |
m->m_pkthdr.rcvif = (struct ifnet *)0; |
} else { |
} else { |
MGET(m, M_WAIT, MT_DATA); |
m = m_get(M_WAIT, MT_DATA); |
mlen = MLEN; |
mlen = MLEN; |
} |
} |
|
MCLAIM(m, so->so_snd.sb_mowner); |
if (use_sosend_loan && |
if (use_sosend_loan && |
uio->uio_iov->iov_len >= SOCK_LOAN_THRESH && |
uio->uio_iov->iov_len >= SOCK_LOAN_THRESH && |
space >= SOCK_LOAN_THRESH && |
space >= SOCK_LOAN_THRESH && |
Line 697 sosend(struct socket *so, struct mbuf *a |
|
Line 713 sosend(struct socket *so, struct mbuf *a |
|
} |
} |
if (resid >= MINCLSIZE && space >= MCLBYTES) { |
if (resid >= MINCLSIZE && space >= MCLBYTES) { |
SOSEND_COUNTER_INCR(&sosend_copy_big); |
SOSEND_COUNTER_INCR(&sosend_copy_big); |
MCLGET(m, M_WAIT); |
m_clget(m, M_WAIT); |
if ((m->m_flags & M_EXT) == 0) |
if ((m->m_flags & M_EXT) == 0) |
goto nopages; |
goto nopages; |
mlen = MCLBYTES; |
mlen = MCLBYTES; |
Line 1341 sosetopt(struct socket *so, int level, i |
|
Line 1357 sosetopt(struct socket *so, int level, i |
|
goto bad; |
goto bad; |
} |
} |
tv = mtod(m, struct timeval *); |
tv = mtod(m, struct timeval *); |
if (tv->tv_sec * hz + tv->tv_usec / tick > SHRT_MAX) { |
if (tv->tv_sec > (SHRT_MAX - tv->tv_usec / tick) / hz) { |
error = EDOM; |
error = EDOM; |
goto bad; |
goto bad; |
} |
} |