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Move virNetDevGetIndex & virNetDevGetVLanID to virnetdev.c

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Move virNetDevGetIndex & virNetDevGetVLanID to virnetdev.c to
suit their functional purpose

* util/interface.c, util/interface.h: Remove virNetDevGetIndex &
  virNetDevGetVLanID
* util/virnetdev.c, util/virnetdev.h: Add virNetDevGetIndex &
  virNetDevGetVLanID
This commit is contained in:
Daniel P. Berrange 2011-11-03 09:27:45 +00:00
parent ebbb6bd11f
commit 00bba08d24
5 changed files with 117 additions and 117 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
src/nwfilter/nwfilter_learnipaddr.c
View File

@ -46,6 +46,7 @@
#include "logging.h"
#include "datatypes.h"
#include "interface.h"
#include "virnetdev.h"
#include "virterror_internal.h"
#include "threads.h"
#include "conf/nwfilter_params.h"

111
src/util/interface.c
View File

@ -141,117 +141,6 @@ ifaceCheck(bool reportError ATTRIBUTE_UNUSED,
#endif /* __linux__ */
/**
* virNetDevGetIndex
* @ifname : Name of the interface whose index is to be found
* @ifindex: Pointer to int where the index will be written into
*
* Get the index of an interface given its name.
*
* Returns 0 on success, -1 on failure
*/
#ifdef __linux__
int
virNetDevGetIndex(const char *ifname, int *ifindex)
{
int ret = -1;
struct ifreq ifreq;
int fd = socket(PF_PACKET, SOCK_DGRAM, 0);
if (fd < 0) {
virReportSystemError(errno, "%s",
_("Unable to open control socket"));
return -1;
}
memset(&ifreq, 0, sizeof(ifreq));
if (virStrncpy(ifreq.ifr_name, ifname, strlen(ifname),
sizeof(ifreq.ifr_name)) == NULL) {
virReportSystemError(ERANGE,
_("invalid interface name %s"),
ifname);
goto cleanup;
}
if (ioctl(fd, SIOCGIFINDEX, &ifreq) < 0) {
virReportSystemError(errno,
_("Unable to get index for interface %s"), ifname);
goto cleanup;
}
*ifindex = ifreq.ifr_ifindex;
ret = 0;
cleanup:
VIR_FORCE_CLOSE(fd);
return ret;
}
#else
int
virNetDevGetIndex(const char *ifname ATTRIBUTE_UNUSED,
int *ifindex ATTRIBUTE_UNUSED)
{
virReportSystemError(ENOSYS, "%s",
_("Unable to get interface index on this platform"));
return -1;
}
#endif /* __linux__ */
#ifdef __linux__
int
virNetDevGetVLanID(const char *ifname, int *vlanid)
{
struct vlan_ioctl_args vlanargs = {
.cmd = GET_VLAN_VID_CMD,
};
int ret = -1;
int fd = socket(PF_PACKET, SOCK_DGRAM, 0);
if (fd < 0) {
virReportSystemError(errno, "%s",
_("Unable to open control socket"));
return -1;
}
if (virStrcpyStatic(vlanargs.device1, ifname) == NULL) {
virReportSystemError(ERANGE,
_("invalid interface name %s"),
ifname);
goto cleanup;
}
if (ioctl(fd, SIOCGIFVLAN, &vlanargs) != 0) {
virReportSystemError(errno,
_("Unable to get VLAN for interface %s"), ifname);
goto cleanup;
}
*vlanid = vlanargs.u.VID;
ret = 0;
cleanup:
VIR_FORCE_CLOSE(fd);
return ret;
}
#else
int
virNetDevGetVLanID(const char *ifname ATTRIBUTE_UNUSED,
int *vlanid ATTRIBUTE_UNUSED)
{
virReportSystemError(ENOSYS, "%s",
_("Unable to get VLAN on this platform"));
return -1;
}
#endif /* __linux__ */
/**
* ifaceGetIPAddress:
* @ifname: name of the interface whose IP address we want

6
src/util/interface.h
View File

@ -33,12 +33,6 @@ struct nlattr;
int ifaceCheck(bool reportError, const char *ifname,
const unsigned char *macaddr, int ifindex);
int virNetDevGetIndex(const char *ifname, int *ifindex)
ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2) ATTRIBUTE_RETURN_CHECK;
int virNetDevGetVLanID(const char *ifname, int *vlanid)
ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2) ATTRIBUTE_RETURN_CHECK;
int ifaceGetIPAddress(const char *ifname, virSocketAddrPtr addr);
int ifaceMacvtapLinkDump(bool nltarget_kernel, const char *ifname, int ifindex,

109
src/util/virnetdev.c
View File

@ -34,6 +34,11 @@
#endif
#include <fcntl.h>
#ifdef __linux__
# include <linux/sockios.h>
# include <linux/if_vlan.h>
#endif
#define VIR_FROM_THIS VIR_FROM_NONE
#define virNetDevError(code, ...) \
virReportErrorHelper(VIR_FROM_THIS, code, __FILE__, \
@ -611,6 +616,110 @@ int virNetDevIsOnline(const char *ifname,
#endif
/**
* virNetDevGetIndex:
* @ifname : Name of the interface whose index is to be found
* @ifindex: Pointer to int where the index will be written into
*
* Get the index of an interface given its name.
*
* Returns 0 on success, -1 on failure
*/
#ifdef __linux__
int virNetDevGetIndex(const char *ifname, int *ifindex)
{
int ret = -1;
struct ifreq ifreq;
int fd = socket(PF_PACKET, SOCK_DGRAM, 0);
if (fd < 0) {
virReportSystemError(errno, "%s",
_("Unable to open control socket"));
return -1;
}
memset(&ifreq, 0, sizeof(ifreq));
if (virStrncpy(ifreq.ifr_name, ifname, strlen(ifname),
sizeof(ifreq.ifr_name)) == NULL) {
virReportSystemError(ERANGE,
_("invalid interface name %s"),
ifname);
goto cleanup;
}
if (ioctl(fd, SIOCGIFINDEX, &ifreq) < 0) {
virReportSystemError(errno,
_("Unable to get index for interface %s"), ifname);
goto cleanup;
}
*ifindex = ifreq.ifr_ifindex;
ret = 0;
cleanup:
VIR_FORCE_CLOSE(fd);
return ret;
}
#else /* ! __linux__ */
int virNetDevGetIndex(const char *ifname ATTRIBUTE_UNUSED,
int *ifindex ATTRIBUTE_UNUSED)
{
virReportSystemError(ENOSYS, "%s",
_("Unable to get interface index on this platform"));
return -1;
}
#endif /* ! __linux__ */
#ifdef __linux__
int virNetDevGetVLanID(const char *ifname, int *vlanid)
{
struct vlan_ioctl_args vlanargs = {
.cmd = GET_VLAN_VID_CMD,
};
int ret = -1;
int fd = socket(PF_PACKET, SOCK_DGRAM, 0);
if (fd < 0) {
virReportSystemError(errno, "%s",
_("Unable to open control socket"));
return -1;
}
if (virStrcpyStatic(vlanargs.device1, ifname) == NULL) {
virReportSystemError(ERANGE,
_("invalid interface name %s"),
ifname);
goto cleanup;
}
if (ioctl(fd, SIOCGIFVLAN, &vlanargs) != 0) {
virReportSystemError(errno,
_("Unable to get VLAN for interface %s"), ifname);
goto cleanup;
}
*vlanid = vlanargs.u.VID;
ret = 0;
cleanup:
VIR_FORCE_CLOSE(fd);
return ret;
}
#else /* ! __linux__ */
int virNetDevGetVLanID(const char *ifname ATTRIBUTE_UNUSED,
int *vlanid ATTRIBUTE_UNUSED)
{
virReportSystemError(ENOSYS, "%s",
_("Unable to get VLAN on this platform"));
return -1;
}
#endif /* ! __linux__ */
/**
* virNetDevSetIPv4Address:
* @ifname: the interface name

7
src/util/virnetdev.h
View File

@ -76,4 +76,11 @@ int virNetDevSetNamespace(const char *ifname, int pidInNs)
int virNetDevSetName(const char *ifname, const char *newifname)
ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2) ATTRIBUTE_RETURN_CHECK;
int virNetDevGetIndex(const char *ifname, int *ifindex)
ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2) ATTRIBUTE_RETURN_CHECK;
int virNetDevGetVLanID(const char *ifname, int *vlanid)
ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2) ATTRIBUTE_RETURN_CHECK;
#endif /* __VIR_NETDEV_H__ */