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RPC updates 

git-svn-id: https://nuttx.svn.sourceforge.net/svnroot/nuttx/trunk@4446 7fd9a85b-ad96-42d3-883c-3090e2eb8679
This commit is contained in:
patacongo 2012-03-03 00:15:10 +00:00
parent bb41cf1b70
commit 82f12f7334
4 changed files with 35 additions and 226 deletions
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2
nuttx/fs/nfs/rpc.h
View File

@ -71,7 +71,7 @@
****************************************************************************/
int krpc_call(struct sockaddr_in *, unsigned int, unsigned int, unsigned int,
struct mbuf **, struct mbuf **, int);
int);
int krpc_portmap(struct sockaddr_in *, unsigned int, unsigned int, uint16_t *);
struct mbuf *xdr_string_encode(char *, int);

75
nuttx/fs/nfs/rpc_mbuf.h
View File

@ -55,7 +55,7 @@
* at least MINCLSIZE of data must be stored.
*/
#define MSIZE 256
#define MSIZE 128
#define MCLSHIFT 11 /* Convert bytes to m_buf clusters */
/* 2K cluster can hold Ether frame */
#define MCLBYTES (1 << MCLSHIFT) /* Size of a m_buf cluster */
@ -73,15 +73,6 @@
#define mtod(m,t) ((t)((m)->m_data))
/* pkthdr_pf.flags */
#define PF_TAG_GENERATED 0x01
#define PF_TAG_TRANSLATE_LOCALHOST 0x04
#define PF_TAG_DIVERTED 0x08
#define PF_TAG_DIVERTED_PACKET 0x10
#define PF_TAG_REROUTE 0x20
#define PF_TAG_REFRAGMENTED 0x40 /* refragmented ipv6 packet */
/* mbuf flags */
#define M_EXT 0x0001 /* has associated external storage */
@ -296,39 +287,12 @@
#define m_copy(m, o, l) m_copym((m), (o), (l), M_DONTWAIT)
/* Packet tag types */
#define PACKET_TAG_IPSEC_IN_DONE 0x0001 /* IPsec applied, in */
#define PACKET_TAG_IPSEC_OUT_DONE 0x0002 /* IPsec applied, out */
#define PACKET_TAG_IPSEC_IN_CRYPTO_DONE 0x0004
/* NIC IPsec crypto done */
#define PACKET_TAG_IPSEC_OUT_CRYPTO_NEEDED 0x0008 /* NIC IPsec crypto
* req'ed */
#define PACKET_TAG_IPSEC_PENDING_TDB 0x0010 /* Reminder to do IPsec */
#define PACKET_TAG_BRIDGE 0x0020 /* Bridge processing done */
#define PACKET_TAG_GIF 0x0040
/* GIF processing done */
#define PACKET_TAG_GRE 0x0080
/* GRE processing done */
#define PACKET_TAG_DLT 0x0100
/* data link layer type */
#define PACKET_TAG_PF_DIVERT 0x0200 /* pf(4) diverted packet */
#define PACKET_TAG_PIPEX 0x0400 /* pipex context XXX */
#define PACKET_TAG_PF_REASSEMBLED 0x0800 /* pf reassembled ipv6 packet */
/****************************************************************************
* Private Types
****************************************************************************/
/* Packet tags structure */
struct m_tag
{
SLIST_ENTRY(m_tag) m_tag_link; /* List of packet tags */
uint16_t m_tag_id; /* Tag ID */
uint16_t m_tag_len; /* Length of data */
};
/* Header at beginning of each mbuf: */
struct m_hdr
@ -341,55 +305,24 @@ struct m_hdr
unsigned short mh_flags; /* Flags; see below */
};
/* pf stuff */
struct pkthdr_pf
{
void *hdr; /* saved hdr pos in mbuf, for ECN */
void *statekey; /* PF stackside statekey */
uint32_t qid; /* Queue id */
uint16_t tag; /* Tag id */
uint8_t flags;
uint8_t routed;
uint8_t prio;
uint8_t pad[3];
};
/* Record/packet header in first mbuf of chain; valid if M_PKTHDR set */
struct pkthdr
{
struct ifnet *rcvif; /* rcv interface */
SLIST_HEAD(packet_tags, m_tag) tags; /* List of packet tags */
int len; /* Total packet length */
uint16_t tagsset; /* mtags attached */
uint16_t pad;
uint16_t csum_flags; /* Checksum flags */
uint16_t ether_vtag; /* Ethernet 802.1p+Q vlan tag */
unsigned int rdomain; /* Routing domain id */
struct pkthdr_pf pf;
};
/* Description of external storage mapped into mbuf, valid if M_EXT set */
struct mbuf_ext
{
char *ext_buf; /* start of buffer */
caddr_t ext_buf; /* start of buffer */
/* free routine if not the usual */
// void (*ext_free)(char*, unsigned int, void *);
// void (*ext_free)();
// void *ext_arg; /* argument for ext_free */
// unsigned int ext_size; /* size of buffer, for ext_free */
int ext_type;
struct ifnet *ext_ifp;
int ext_backend; /* backend pool the storage came from */
struct mbuf *ext_nextref;
struct mbuf *ext_prevref;
#ifdef CONFIG_DEBUG
const char *ext_ofile;
const char *ext_nfile;
int ext_oline;
int ext_nline;
#endif
unsigned int ext_size; /* size of buffer, for ext_free */
};
struct mbuf

157
nuttx/fs/nfs/rpc_subr.c
View File

@ -65,7 +65,6 @@
#include "rpc_v2.h"
#include "rpc.h"
#include "xdr_subs.h"
#include "rpc_idgen.h"
/****************************************************************************
@ -81,6 +80,7 @@
*/
#define MAX_RESEND_DELAY 5 /* seconds */
#define IP_PORTRANGE 19 /* int; range to choose for unspec port */
/****************************************************************************
* Private Types
@ -191,7 +191,6 @@ int krpc_portmap(struct sockaddr_in *sin, unsigned int prog, unsigned int vers,
uint16_t pad;
uint16_t port;
} *rdata;
struct mbuf *m;
int error;
/* The portmapper port is fixed. */
@ -202,17 +201,6 @@ int krpc_portmap(struct sockaddr_in *sin, unsigned int prog, unsigned int vers,
return 0;
}
// m = m_get(M_WAIT, MT_DATA);
m = kmalloc(sizeof(*sdata));
m->m_type = MT_DATA;
m->m_next = (struct mbuf *)NULL;
m->m_nextpkt = (struct mbuf *)NULL;
m->m_data = m->m_dat;
m->m_flags = 0;
sdata = mtod(m, struct sdata *);
m->m_len = sizeof(*sdata);
/* Do the RPC to get it. */
sdata->prog = txdr_unsigned(prog);
@ -221,23 +209,14 @@ int krpc_portmap(struct sockaddr_in *sin, unsigned int prog, unsigned int vers,
sdata->port = 0;
sin->sin_port = htons(PMAPPORT);
error = krpc_call(sin, PMAPPROG, PMAPVERS, PMAPPROC_GETPORT, &m, NULL, -1);
error = krpc_call(sin, PMAPPROG, PMAPVERS, PMAPPROC_GETPORT, -1);
if (error)
{
return error;
}
if (m->m_len < sizeof(*rdata))
{
m = m_pullup(m, sizeof(*rdata));
if (m == NULL)
return ENOBUFS;
}
rdata = mtod(m, struct rdata *);
*portp = rdata->port;
kfree(m);
return 0;
}
@ -249,12 +228,11 @@ int krpc_portmap(struct sockaddr_in *sin, unsigned int prog, unsigned int vers,
*/
int krpc_call(struct sockaddr_in *sa, unsigned int prog, unsigned int vers,
unsigned int func, struct mbuf **data, struct mbuf **from_p,
int retries)
unsigned int func, int retries)
{
struct socket *so;
struct sockaddr_in *sin;
struct mbuf *m, *nam, *mhead, *from, *mopt;
struct mbuf *m, *nam, *mhead, *from;
struct rpc_call *call;
struct rpc_reply *reply;
struct uio auio;
@ -272,32 +250,17 @@ int krpc_call(struct sockaddr_in *sa, unsigned int prog, unsigned int vers,
return (EAFNOSUPPORT);
}
/* Free at end if not null. */
nam = mhead = NULL;
from = NULL;
/* Create socket and set its receive timeout. */
if ((error = socket(AF_INET, SOCK_DGRAM, 0)))
if ((error = psock_socket(AF_INET, SOCK_DGRAM, 0, so)))
{
goto out;
}
// m = m_get(M_WAIT, MT_SOOPTS);
m = kmalloc(sizeof(*tv));
m->m_type = MT_SOOPTS;
m->m_next = (struct mbuf *)NULL;
m->m_nextpkt = (struct mbuf *)NULL;
m->m_data = m->m_dat;
m->m_flags = 0;
tv = mtod(m, struct timeval *);
m->m_len = sizeof(*tv);
tv->tv_sec = 1;
tv->tv_usec = 0;
if ((error = sosetopt(so, SOL_SOCKET, SO_RCVTIMEO, m)))
if ((error = psock_setsockopt(so, SOL_SOCKET, SO_RCVTIMEO,(const void *) tv, sizeof (*tv))))
{
goto out;
}
@ -307,19 +270,9 @@ int krpc_call(struct sockaddr_in *sa, unsigned int prog, unsigned int vers,
if (from_p)
{
int32_t *on;
// m = m_get(M_WAIT, MT_SOOPTS);
m = kmalloc(sizeof(*on));
m->m_type = MT_SOOPTS;
m->m_next = (struct mbuf *)NULL;
m->m_nextpkt = (struct mbuf *)NULL;
m->m_data = m->m_dat;
m->m_flags = 0;
on = mtod(m, int32_t *);
m->m_len = sizeof(*on);
*on = 1;
if ((error = sosetopt(error, SOL_SOCKET, SO_BROADCAST, m)))
if ((error = psock_setsockopt(so, SOL_SOCKET, SO_BROADCAST, (const void *) on, sizeof (*on))))
{
goto out;
}
@ -330,57 +283,27 @@ int krpc_call(struct sockaddr_in *sa, unsigned int prog, unsigned int vers,
* non-reserved (non-privileged) ports.
*/
// MGET(mopt, M_WAIT, MT_SOOPTS);
mopt = kmalloc(sizeof(int));
mopt->m_type = MT_SOOPTS;
mopt->m_next = (struct mbuf *)NULL;
mopt->m_nextpkt = (struct mbuf *)NULL;
mopt->m_data = mopt->m_dat;
mopt->m_flags = 0;
mopt->m_len = sizeof(int);
ip = mtod(mopt, int *);
*ip = 2;
error = sosetopt(so, IPPROTO_IP, 19, mopt);
error = psock_setsockopt(so, IPPROTO_IP, IP_PORTRANGE, (const void *) ip, sizeof (*ip));
if (error)
{
goto out;
}
// MGET(m, M_WAIT, MT_SONAME);
m = kmalloc(sizeof(struct sockaddr_in));
m->m_type = MT_SONAME;
m->m_next = (struct mbuf *)NULL;
m->m_nextpkt = (struct mbuf *)NULL;
m->m_data = m->m_dat;
m->m_flags = 0;
sin = mtod(m, struct sockaddr_in *);
sin->sin_len = m->m_len = sizeof(struct sockaddr_in);
sin->sin_len = sizeof(struct sockaddr_in);
sin->sin_family = AF_INET;
sin->sin_addr.s_addr = INADDR_ANY;
sin->sin_port = htons(0);
error = sobind(so, m, &proc0);
kfree(m);
// m_freem(m);
error = psock_bind(so, m, &proc0);
if (error)
{
printf("bind failed\n");
goto out;
}
// MGET(mopt, M_WAIT, MT_SOOPTS);
mopt = kmalloc(sizeof(int));
mopt->m_type = MT_SOOPTS;
mopt->m_next = (struct mbuf *)NULL;
mopt->m_nextpkt = (struct mbuf *)NULL;
mopt->m_data = mopt->m_dat;
mopt->m_flags = 0;
mopt->m_len = sizeof(int);
ip = mtod(mopt, int *);
*ip = 0;
error = sosetopt(so, IPPROTO_IP, 19, mopt);
error = psock_setsockopt(so, IPPROTO_IP, IP_PORTRANGE, (const void *) ip, sizeof (*ip));
if (error)
{
goto out;
@ -388,24 +311,11 @@ int krpc_call(struct sockaddr_in *sa, unsigned int prog, unsigned int vers,
/* Setup socket address for the server. */
// nam = m_get(M_WAIT, MT_SONAME);
nam = kmalloc(sizeof(struct sockaddr_in));
nam->m_type = MT_SONAME;
nam->m_next = (struct mbuf *)NULL;
nam->m_nextpkt = (struct mbuf *)NULL;
nam->m_data = nam->m_dat;
nam->m_flags = 0;
sin = mtod(nam, struct sockaddr_in *);
bcopy((caddr_t) sa, (caddr_t) sin, (nam->m_len = sa->sin_len));
bcopy((caddr_t *) sa, (caddr_t *) sin, sa->sin_len);
/* Prepend RPC message header. */
mhead = m_gethdr(M_WAIT, MT_DATA);
mhead->m_next = *data;
call = mtod(mhead, struct rpc_call *);
mhead->m_len = sizeof(*call);
bzero((caddr_t) call, sizeof(*call));
bzero((caddr_t *) call, sizeof(*call));
/* rpc_call part */
@ -429,18 +339,6 @@ int krpc_call(struct sockaddr_in *sa, unsigned int prog, unsigned int vers,
call->rpc_verf.authtype = 0;
call->rpc_verf.authlen = 0;
/* Setup packet header */
len = 0;
m = mhead;
while (m)
{
len += m->m_len;
m = m->m_next;
}
mhead->m_pkthdr.len = len;
mhead->m_pkthdr.rcvif = NULL;
/* Send it, repeatedly, until a reply is received,
* but delay each re-send by an increasing amount.
@ -451,13 +349,6 @@ int krpc_call(struct sockaddr_in *sa, unsigned int prog, unsigned int vers,
{
/* Send RPC request (or re-send). */
m = m_copym(mhead, 0, M_COPYALL, M_WAIT);
if (m == NULL)
{
error = ENOBUFS;
goto out;
}
error = sosend(so, nam, NULL, m, NULL, 0);
if (error)
{
@ -584,15 +475,12 @@ gotreply:
}
}
reply = mtod(m, struct rpc_reply *);
if (reply->rp_auth.authtype != 0)
{
len += fxdr_unsigned(uint32_t, reply->rp_auth.authlen);
len = (len + 3) & ~3; /* XXX? */
}
m_adj(m, len);
/* result */
*data = m;
@ -603,22 +491,7 @@ gotreply:
}
out:
if (nam)
{
m_freem(nam);
}
if (mhead)
{
m_freem(mhead);
}
if (from)
{
m_freem(from);
}
soclose(so);
(void)psock_close(so);
return error;
}

17
nuttx/include/string.h
View File

@ -1,8 +1,8 @@
/****************************************************************************
* include/string.h
*
* Copyright (C) 2007-2011 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
* Copyright (C) 2007-2012 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
@ -45,8 +45,15 @@
#include <stddef.h>
/****************************************************************************
* Definitions
* Pre-processor Definitions
****************************************************************************/
/* Compatibility definitions */
#ifndef CONFIG_ARCH_BZERO
# define bzero(s,n) (void)memset(s,0,n)
#endif
#define bcopy(b1,b2,len) (void)memmove(b2,b1,len)
/****************************************************************************
* Global Function Prototypes
@ -89,10 +96,6 @@ EXTERN FAR void *memcpy(FAR void *dest, FAR const void *src, size_t n);
EXTERN int memcmp(FAR const void *s1, FAR const void *s2, size_t n);
EXTERN FAR void *memmove(FAR void *dest, FAR const void *src, size_t count);
#ifndef CONFIG_ARCH_BZERO
# define bzero(s,n) (void)memset(s,0,n)
#endif
#undef EXTERN
#if defined(__cplusplus)
}