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freebsd11_network: Additions for idualwifi7260.

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This commit is contained in:
Augustin Cavalier 2018-07-04 20:34:32 -04:00
parent 02463a2c73
commit 999fe6b3ea
3 changed files with 76 additions and 0 deletions
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4
src/libs/compat/freebsd11_network/compat/sys/mbuf.h
View File

@ -81,6 +81,9 @@
#define MTAG_PERSISTENT 0x800
#define M_COPYALL 1000000000
// Length to m_copy to copy all.
#define EXT_CLUSTER 1 // 2048 bytes
#define EXT_JUMBOP 4 // Page size
#define EXT_JUMBO9 5 // 9 * 1024 bytes
@ -189,6 +192,7 @@ struct mbuf* m_collapse(struct mbuf*, int, int);
void m_copyback(struct mbuf*, int, int, caddr_t);
void m_copydata(const struct mbuf*, int, int, caddr_t);
struct mbuf* m_copypacket(struct mbuf*, int);
struct mbuf * m_copym(struct mbuf *m, int off0, int len, int wait);
struct mbuf* m_defrag(struct mbuf*, int);
struct mbuf* m_devget(char*, int, int, struct ifnet*,
void(*) (char*, caddr_t, u_int));

1
src/libs/compat/freebsd11_network/compat/sys/param.h
View File

@ -64,6 +64,7 @@
#define roundup(x, y) ((((x)+((y)-1))/(y))*(y)) /* to any y */
#define roundup2(x, y) (((x) + ((y) - 1)) & (~((y) - 1)))
#define rounddown(x, y) (((x) / (y)) * (y))
#define rounddown2(x, y) ((x)&(~((y)-1))) /* if y is power of two */
#define PRIMASK 0x0ff
#define PCATCH 0x100

71
src/libs/compat/freebsd11_network/fbsd_mbuf.c
View File

@ -662,6 +662,77 @@ mb_dupcl(struct mbuf *n, struct mbuf *m)
n->m_flags |= M_EXT;
}
/*
* Make a copy of an mbuf chain starting "off0" bytes from the beginning,
* continuing for "len" bytes. If len is M_COPYALL, copy to end of mbuf.
* The wait parameter is a choice of M_WAITOK/M_NOWAIT from caller.
* Note that the copy is read-only, because clusters are not copied,
* only their reference counts are incremented.
*/
struct mbuf *
m_copym(struct mbuf *m, int off0, int len, int wait)
{
struct mbuf *n, **np;
int off = off0;
struct mbuf *top;
int copyhdr = 0;
KASSERT(off >= 0, ("m_copym, negative off %d", off));
KASSERT(len >= 0, ("m_copym, negative len %d", len));
MBUF_CHECKSLEEP(wait);
if (off == 0 && m->m_flags & M_PKTHDR)
copyhdr = 1;
while (off > 0) {
KASSERT(m != NULL, ("m_copym, offset > size of mbuf chain"));
if (off < m->m_len)
break;
off -= m->m_len;
m = m->m_next;
}
np = &top;
top = NULL;
while (len > 0) {
if (m == NULL) {
KASSERT(len == M_COPYALL,
("m_copym, length > size of mbuf chain"));
break;
}
if (copyhdr)
n = m_gethdr(wait, m->m_type);
else
n = m_get(wait, m->m_type);
*np = n;
if (n == NULL)
goto nospace;
if (copyhdr) {
if (!m_dup_pkthdr(n, m, wait))
goto nospace;
if (len == M_COPYALL)
n->m_pkthdr.len -= off0;
else
n->m_pkthdr.len = len;
copyhdr = 0;
}
n->m_len = min(len, m->m_len - off);
if (m->m_flags & M_EXT) {
n->m_data = m->m_data + off;
mb_dupcl(n, m);
} else
bcopy(mtod(m, caddr_t)+off, mtod(n, caddr_t),
(u_int)n->m_len);
if (len != M_COPYALL)
len -= n->m_len;
off = 0;
m = m->m_next;
np = &n->m_next;
}
return (top);
nospace:
m_freem(top);
return (NULL);
}
void
m_demote_pkthdr(struct mbuf *m)
{