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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] [PATCH 2 of 6] xl: network-list command
This patch adds network-list command to xl.
Usage: xl network-list <Domain(s)>
diff --git a/tools/libxl/libxl.c b/tools/libxl/libxl.c
--- a/tools/libxl/libxl.c
+++ b/tools/libxl/libxl.c
@@ -1505,6 +1505,66 @@ int libxl_device_nic_del(struct libxl_ct
return libxl_device_del(ctx, &device, wait);
}
+libxl_nicinfo *libxl_list_nics(struct libxl_ctx *ctx, uint32_t domid, unsigned
int *nb)
+{
+ char *dompath, *nic_path_fe;
+ char **l;
+ char *val, *tok;
+ unsigned int nb_nics, i;
+ libxl_nicinfo *res, *nics;
+
+ dompath = libxl_xs_get_dompath(ctx, domid);
+ if (!dompath) {
+ return NULL;
+ }
+ l = libxl_xs_directory(ctx, XBT_NULL,
+ libxl_sprintf(ctx, "%s/device/vif", dompath),
&nb_nics);
+ if (!l) {
+ return NULL;
+ }
+ res = libxl_calloc(ctx, nb_nics, sizeof (libxl_device_nic));
+ if (!res) {
+ libxl_free(ctx, l);
+ return NULL;
+ }
+ nics = res;
+ for (*nb = nb_nics; nb_nics > 0; --nb_nics, ++l, ++nics) {
+ nic_path_fe = libxl_sprintf(ctx, "%s/device/vif/%s", dompath, *l);
+
+ nics->backend = libxl_xs_read(ctx, XBT_NULL,
+ libxl_sprintf(ctx, "%s/backend",
nic_path_fe));
+ val = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/backend-id",
nic_path_fe));
+ nics->backend_id = val ? strtoul(val, NULL, 10) : -1;
+
+ nics->devid = strtoul(*l, NULL, 10);
+ val = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/state",
nic_path_fe));
+ nics->state = val ? strtoul(val, NULL, 10) : -1;
+ val = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx, "%s/mac",
nic_path_fe));
+ for (i = 0, tok = strtok(val, ":"); tok && (i < 6);
+ ++i, tok = strtok(NULL, ":")) {
+ nics->mac[i] = strtoul(tok, NULL, 16);
+ }
+ val = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx,
"%s/event-channel", nic_path_fe));
+ nics->evtch = val ? strtol(val, NULL, 10) : -1;
+ val = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx,
"%s/tx-ring-ref", nic_path_fe));
+ nics->rref_tx = val ? strtol(val, NULL, 10) : -1;
+ val = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx,
"%s/rx-ring-ref", nic_path_fe));
+ nics->rref_rx = val ? strtol(val, NULL, 10) : -1;
+ nics->frontend = libxl_xs_read(ctx, XBT_NULL,
+ libxl_sprintf(ctx, "%s/frontend",
nics->backend));
+ val = libxl_xs_read(ctx, XBT_NULL, libxl_sprintf(ctx,
"%s/frontend-id", nics->backend));
+ nics->frontend_id = val ? strtoul(val, NULL, 10) : -1;
+ nics->script = libxl_xs_read(ctx, XBT_NULL,
+ libxl_sprintf(ctx, "%s/script",
nics->backend));
+
+ libxl_free(ctx, nic_path_fe);
+ }
+
+ libxl_free(ctx, l);
+ return res;
+}
+
+
/******************************************************************************/
int libxl_device_console_add(struct libxl_ctx *ctx, uint32_t domid,
libxl_device_console *console)
{
diff --git a/tools/libxl/libxl.h b/tools/libxl/libxl.h
--- a/tools/libxl/libxl.h
+++ b/tools/libxl/libxl.h
@@ -372,8 +372,23 @@ int libxl_device_disk_del(struct libxl_c
libxl_device_disk *libxl_device_disk_list(struct libxl_ctx *ctx, uint32_t
domid, int *num);
int libxl_cdrom_insert(struct libxl_ctx *ctx, uint32_t domid,
libxl_device_disk *disk);
+typedef struct {
+ char *backend;
+ uint32_t backend_id;
+ char *frontend;
+ uint32_t frontend_id;
+ int devid;
+ int state;
+ char *script;
+ uint8_t mac[6];
+ int evtch;
+ int rref_tx;
+ int rref_rx;
+} libxl_nicinfo;
+
int libxl_device_nic_add(struct libxl_ctx *ctx, uint32_t domid,
libxl_device_nic *nic);
int libxl_device_nic_del(struct libxl_ctx *ctx, libxl_device_nic *nic, int
wait);
+libxl_nicinfo *libxl_list_nics(struct libxl_ctx *ctx, uint32_t domid, unsigned
int *nb);
int libxl_device_console_add(struct libxl_ctx *ctx, uint32_t domid,
libxl_device_console *console);
diff --git a/tools/libxl/xl_cmdimpl.c b/tools/libxl/xl_cmdimpl.c
--- a/tools/libxl/xl_cmdimpl.c
+++ b/tools/libxl/xl_cmdimpl.c
@@ -3141,3 +3141,51 @@ int main_networkattach(int argc, char **
}
exit(0);
}
+
+int main_networklist(int argc, char **argv)
+{
+ int opt;
+ libxl_nicinfo *nics;
+ unsigned int nb;
+
+ if (argc < 2) {
+ help("network-list");
+ exit(1);
+ }
+ while ((opt = getopt(argc, argv, "hl")) != -1) {
+ switch (opt) {
+ case 'h':
+ help("network-list");
+ exit(0);
+ default:
+ fprintf(stderr, "option `%c' not supported.\n", opt);
+ break;
+ }
+ }
+
+ /* Idx BE MAC Hdl Sta evch txr/rxr BE-path */
+ printf("%-3s %-2s %-17s %-6s %-5s %-6s %5s/%-5s %-30s\n",
+ "Idx", "BE", "Mac Addr.", "handle", "state", "evt-ch", "tx-",
"rx-ring-ref", "BE-path");
+ for (++argv, --argc; argc > 0; --argc, ++argv) {
+ if (domain_qualifier_to_domid(*argv, &domid, 0) < 0) {
+ fprintf(stderr, "%s is an invalid domain identifier\n", *argv);
+ continue;
+ }
+ if (!(nics = libxl_list_nics(&ctx, domid, &nb))) {
+ continue;
+ }
+ for (; nb > 0; --nb, ++nics) {
+ /* Idx BE */
+ printf("%-3d %-2d ", nics->devid, nics->backend_id);
+ /* MAC */
+ printf("%02x:%02x:%02x:%02x:%02x:%02x ",
+ nics->mac[0], nics->mac[1], nics->mac[2],
+ nics->mac[3], nics->mac[4], nics->mac[5]);
+ /* Hdl Sta evch txr/rxr BE-path */
+ printf("%6d %5d %6d %5d/%-11d %-30s\n",
+ nics->devid, nics->state, nics->evtch,
+ nics->rref_tx, nics->rref_rx, nics->backend);
+ }
+ }
+ exit(0);
+}
diff --git a/tools/libxl/xl_cmdimpl.h b/tools/libxl/xl_cmdimpl.h
--- a/tools/libxl/xl_cmdimpl.h
+++ b/tools/libxl/xl_cmdimpl.h
@@ -40,5 +40,6 @@ int main_domname(int argc, char **argv);
int main_rename(int argc, char **argv);
int main_trigger(int argc, char **argv);
int main_networkattach(int argc, char **argv);
+int main_networklist(int argc, char **argv);
void help(char *command);
diff --git a/tools/libxl/xl_cmdtable.c b/tools/libxl/xl_cmdtable.c
--- a/tools/libxl/xl_cmdtable.c
+++ b/tools/libxl/xl_cmdtable.c
@@ -176,6 +176,10 @@ struct cmd_spec cmd_table[] = {
&main_networkattach,
"Create a new virtual network device"
},
+ { "network-list",
+ &main_networklist,
+ "List virtual network interfaces for a domain"
+ },
};
int cmdtable_len = sizeof(cmd_table)/sizeof(struct cmd_spec);
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