/*
* Copyright 2000, International Business Machines Corporation and others.
* All Rights Reserved.
- *
+ *
* This software has been released under the terms of the IBM Public
* License. For details, see the LICENSE file in the top-level source
* directory or online at http://www.openafs.org/dl/license10.html
# include <unistd.h>
#endif
# include <fcntl.h>
-#if !defined(AFS_AIX_ENV) && !defined(AFS_NT40_ENV)
+#if !defined(AFS_AIX_ENV) && !defined(AFS_NT40_ENV)
# include <sys/syscall.h>
#endif
#include <afs/afs_args.h>
#ifndef AFS_NT40_ENV
# include <sys/time.h>
#endif
-# include "rx.h"
-# include "rx_globals.h"
-
+#include "rx.h"
+#include "rx_atomic.h"
+#include "rx_globals.h"
+#include "rx_stats.h"
#ifdef AFS_PTHREAD_ENV
#include <assert.h>
* Make a socket for receiving/sending IP packets. Set it into non-blocking
* and large buffering modes. If port isn't specified, the kernel will pick
* one. Returns the socket (>= 0) on success. Returns OSI_NULLSOCKET on
- * failure. Port must be in network byte order.
+ * failure. Port must be in network byte order.
*/
osi_socket
rxi_GetHostUDPSocket(u_int ahost, u_short port)
#endif
#endif
-#if !defined(AFS_NT40_ENV)
+#if !defined(AFS_NT40_ENV)
if (ntohs(port) >= IPPORT_RESERVED && ntohs(port) < IPPORT_USERRESERVED) {
/* (osi_Msg "%s*WARNING* port number %d is not a reserved port number. Use port numbers above %d\n", name, port, IPPORT_USERRESERVED);
*/ ;
(osi_Msg "%sbind failed\n", name);
goto error;
}
-#if !defined(AFS_NT40_ENV)
+#if !defined(AFS_NT40_ENV)
/*
- * Set close-on-exec on rx socket
+ * Set close-on-exec on rx socket
*/
fcntl(socketFd, F_SETFD, 1);
#endif
len2 /= 2;
}
- /* but do not let it get smaller than 32K */
+ /* but do not let it get smaller than 32K */
if (len2 < len1)
len2 = len1;
if (!greedy)
(osi_Msg "%s*WARNING* Unable to increase buffering on socket\n",
name);
- if (rx_stats_active) {
- MUTEX_ENTER(&rx_stats_mutex);
- rx_stats.socketGreedy = greedy;
- MUTEX_EXIT(&rx_stats_mutex);
- }
+ if (rx_stats_active)
+ rx_atomic_set(&rx_stats.socketGreedy, greedy);
}
#ifdef AFS_LINUX22_ENV
void *
osi_Alloc(afs_int32 x)
{
- /*
+ /*
* 0-length allocs may return NULL ptr from malloc, so we special-case
- * things so that NULL returned iff an error occurred
+ * things so that NULL returned iff an error occurred
*/
if (x == 0)
return (void *)&memZero;
static u_int rxi_numNetAddrs;
static int Inited = 0;
-#if defined(AFS_NT40_ENV)
+#if defined(AFS_NT40_ENV)
int
rxi_getaddr(void)
{
/* we don't want to use the loopback adapter which is first */
/* this is a bad bad hack */
if (rxi_numNetAddrs > 1)
- return htonl(rxi_NetAddrs[1]);
+ return htonl(rxi_NetAddrs[1]);
else if (rxi_numNetAddrs > 0)
return htonl(rxi_NetAddrs[0]);
else
return 0;
}
-/*
-** return number of addresses
+/*
+** return number of addresses
** and the addresses themselves in the buffer
** maxSize - max number of interfaces to return.
*/
/* The IP address list can change so we must query for it */
rx_GetIFInfo();
- for (count = 0;
+ for (count = 0;
offset < rxi_numNetAddrs && maxSize > 0;
count++, offset++, maxSize--) {
addrBuffer[count] = htonl(rxi_NetAddrs[offset]);
#ifdef AFS_NT40_ENV
extern int rxinit_status;
-void
+void
rxi_InitMorePackets(void) {
int npackets, ncbufs;
-#if !defined(AFS_AIX_ENV) && !defined(AFS_NT40_ENV) && !defined(AFS_LINUX20_ENV)
+#if !defined(AFS_AIX_ENV) && !defined(AFS_NT40_ENV) && !defined(AFS_LINUX20_ENV)
int
rxi_syscall(afs_uint32 a3, afs_uint32 a4, void *a5)
{
if (a->sin_family != AF_INET)
continue;
rxi_NetAddrs[rxi_numNetAddrs] = ntohl(a->sin_addr.s_addr);
- if (rxi_NetAddrs[rxi_numNetAddrs] == 0x7f000001) {
+ if (rx_IsLoopbackAddr(rxi_NetAddrs[rxi_numNetAddrs])) {
/* we don't really care about "localhost" */
continue;
}
if (ifr->ifr_flags & IFF_LOOPBACK)
continue;
#endif
- /* fprintf(stderr, "if %s flags=%x\n",
+ /* fprintf(stderr, "if %s flags=%x\n",
* ifr->ifr_name, ifr->ifr_flags); */
} else { /*
* fputs(stderr, "ioctl error IFFLAGS\n");
rxi_syscallp = rxi_syscall;
#endif
- /* If I refer to kernel extensions that aren't loaded on AIX, the
- * program refuses to load and run, so I simply can't include the
+ /* If I refer to kernel extensions that aren't loaded on AIX, the
+ * program refuses to load and run, so I simply can't include the
* following code. Fortunately, AIX is the one operating system in
* which the subsequent ioctl works reliably. */
if (rxi_syscallp) {
} else
myNetMasks[rxi_numNetAddrs] =
ntohl(myNetMasks[rxi_numNetAddrs]);
- /* fprintf(stderr, "if %s mask=0x%x\n",
+ /* fprintf(stderr, "if %s mask=0x%x\n",
* ifr->ifr_name, myNetMasks[rxi_numNetAddrs]); */
}
res = ioctl(s, SIOCGIFMTU, ifr);
if ((res == 0) && (ifr->ifr_metric > 128)) { /* sanity check */
myNetMTUs[rxi_numNetAddrs] = ifr->ifr_metric;
- /* fprintf(stderr, "if %s mtu=%d\n",
+ /* fprintf(stderr, "if %s mtu=%d\n",
* ifr->ifr_name, ifr->ifr_metric); */
} else {
/* fputs(stderr, "ioctl error IFMTU\n");
if ((res == 0)) {
a = (struct sockaddr_in *)&ifr->ifr_addr;
myNetMasks[rxi_numNetAddrs] = ntohl(a->sin_addr.s_addr);
- /* fprintf(stderr, "if %s subnetmask=0x%x\n",
+ /* fprintf(stderr, "if %s subnetmask=0x%x\n",
* ifr->ifr_name, myNetMasks[rxi_numNetAddrs]); */
} else {
/* fputs(stderr, "ioctl error IFMASK\n");
#endif
}
- if (rxi_NetAddrs[rxi_numNetAddrs] != 0x7f000001) { /* ignore lo0 */
+ if (!rx_IsLoopbackAddr(rxi_NetAddrs[rxi_numNetAddrs])) { /* ignore lo0 */
int maxsize;
maxsize =
rxi_nRecvFrags * (myNetMTUs[rxi_numNetAddrs] - RX_IP_SIZE);
pp->ifMTU = 0;
pp->timeout.sec = 2;
pp->rateFlag = 2; /* start timing after two full packets */
- /* I don't initialize these, because I presume they are bzero'd...
+ /* I don't initialize these, because I presume they are bzero'd...
* pp->burstSize pp->burst pp->burstWait.sec pp->burstWait.usec
* pp->timeout.usec */
rxi_nSendFrags = rxi_nRecvFrags = 1;
}
-/* Override max MTU. If rx_SetNoJumbo is called, it must be
+/* Override max MTU. If rx_SetNoJumbo is called, it must be
called before calling rx_SetMaxMTU since SetNoJumbo clobbers rx_maxReceiveSize */
void
rx_SetMaxMTU(int mtu)
rx_MyMaxSendSize = rx_maxReceiveSizeUser = rx_maxReceiveSize = mtu;
}
-#if defined(HAVE_LINUX_ERRQUEUE_H) && defined(ADAPT_PMTU)
+#if defined(ADAPT_PMTU)
int
rxi_HandleSocketError(int socket)
{
+ int ret=0;
+#if defined(HAVE_LINUX_ERRQUEUE_H)
struct msghdr msg;
struct cmsghdr *cmsg;
struct sock_extended_err *err;
struct sockaddr_in addr;
- struct sockaddr *offender;
char controlmsgbuf[256];
- int ret=0;
int code;
msg.msg_name = &addr;
goto out;
ret=1;
err =(struct sock_extended_err *) CMSG_DATA(cmsg);
-
+
if (err->ee_errno == EMSGSIZE && err->ee_info >= 68) {
rxi_SetPeerMtu(NULL, addr.sin_addr.s_addr, addr.sin_port,
err->ee_info - RX_IPUDP_SIZE);
}
/* other DEST_UNREACH's and TIME_EXCEEDED should be dealt with too */
-
+
out:
+#endif
return ret;
}
#endif