[libvirt PATCH 3/6] util: openvswitch: split out virNetDevOpenvswitchInterfaceSetTxQos
Ján Tomko
jtomko at redhat.com
Mon Jan 17 16:40:21 UTC 2022
The virNetDevOpenvswitchInterfaceSetQos function is uneven
because setting the Tx Qos is open-coded, while clearing it
is sepearated in another function.
Separate the setting too.
Signed-off-by: Ján Tomko <jtomko at redhat.com>
---
src/util/virnetdevopenvswitch.c | 173 +++++++++++++++++---------------
1 file changed, 92 insertions(+), 81 deletions(-)
diff --git a/src/util/virnetdevopenvswitch.c b/src/util/virnetdevopenvswitch.c
index b2cc2f36be..71bd961b5a 100644
--- a/src/util/virnetdevopenvswitch.c
+++ b/src/util/virnetdevopenvswitch.c
@@ -745,6 +745,97 @@ virNetDevOpenvswitchInterfaceClearRxQos(const char *ifname)
#define KIBIBYTE_TO_BITS(x) (x * 8192ULL)
#define VIR_NETDEV_RX_TO_OVS 8
+static int
+virNetDevOpenvswitchInterfaceSetTxQos(const char *ifname,
+ const virNetDevBandwidthRate *tx,
+ const unsigned char *vmuuid)
+{
+ char vmuuidstr[VIR_UUID_STRING_BUFLEN];
+ g_autoptr(virCommand) cmd = NULL;
+ g_autofree char *vmid_ex_id = NULL;
+ g_autofree char *ifname_ex_id = NULL;
+ g_autofree char *average = NULL;
+ g_autofree char *peak = NULL;
+ g_autofree char *burst = NULL;
+ g_autofree char *qos_uuid = NULL;
+ g_autofree char *queue_uuid = NULL;
+
+ average = g_strdup_printf("%llu", KBYTE_TO_BITS(tx->average));
+ if (tx->burst)
+ burst = g_strdup_printf("%llu", KIBIBYTE_TO_BITS(tx->burst));
+ if (tx->peak)
+ peak = g_strdup_printf("%llu", KBYTE_TO_BITS(tx->peak));
+
+ virUUIDFormat(vmuuid, vmuuidstr);
+ vmid_ex_id = g_strdup_printf("external-ids:vm-id=\"%s\"", vmuuidstr);
+ ifname_ex_id = g_strdup_printf("external-ids:ifname=\"%s\"", ifname);
+ /* find queue */
+ queue_uuid = virNetDevOpenvswitchFindUUID("queue", vmid_ex_id, ifname_ex_id);
+ /* find qos */
+ qos_uuid = virNetDevOpenvswitchFindUUID("qos", vmid_ex_id, ifname_ex_id);
+
+ /* create qos and set */
+ cmd = virNetDevOpenvswitchCreateCmd();
+ if (queue_uuid && *queue_uuid) {
+ g_auto(GStrv) lines = g_strsplit(queue_uuid, "\n", 0);
+ virCommandAddArgList(cmd, "set", "queue", lines[0], NULL);
+ } else {
+ virCommandAddArgList(cmd, "set", "port", ifname, "qos=@qos1",
+ vmid_ex_id, ifname_ex_id,
+ "--", "--id=@qos1", "create", "qos", "type=linux-htb", NULL);
+ virCommandAddArgFormat(cmd, "other_config:min-rate=%s", average);
+ if (burst) {
+ virCommandAddArgFormat(cmd, "other_config:burst=%s", burst);
+ }
+ if (peak) {
+ virCommandAddArgFormat(cmd, "other_config:max-rate=%s", peak);
+ }
+ virCommandAddArgList(cmd, "queues:0=@queue0", vmid_ex_id, ifname_ex_id,
+ "--", "--id=@queue0", "create", "queue", NULL);
+ }
+ virCommandAddArgFormat(cmd, "other_config:min-rate=%s", average);
+ if (burst) {
+ virCommandAddArgFormat(cmd, "other_config:burst=%s", burst);
+ }
+ if (peak) {
+ virCommandAddArgFormat(cmd, "other_config:max-rate=%s", peak);
+ }
+ virCommandAddArgList(cmd, vmid_ex_id, ifname_ex_id, NULL);
+ if (virCommandRun(cmd, NULL) < 0) {
+ if (queue_uuid && *queue_uuid) {
+ virReportError(VIR_ERR_INTERNAL_ERROR,
+ _("Unable to set queue configuration on port %s"), ifname);
+ } else {
+ virReportError(VIR_ERR_INTERNAL_ERROR,
+ _("Unable to create and set qos configuration on port %s"), ifname);
+ }
+ return -1;
+ }
+
+ if (qos_uuid && *qos_uuid) {
+ g_auto(GStrv) lines = g_strsplit(qos_uuid, "\n", 0);
+
+ virCommandFree(cmd);
+ cmd = virNetDevOpenvswitchCreateCmd();
+ virCommandAddArgList(cmd, "set", "qos", lines[0], NULL);
+ virCommandAddArgFormat(cmd, "other_config:min-rate=%s", average);
+ if (burst) {
+ virCommandAddArgFormat(cmd, "other_config:burst=%s", burst);
+ }
+ if (peak) {
+ virCommandAddArgFormat(cmd, "other_config:max-rate=%s", peak);
+ }
+ virCommandAddArgList(cmd, vmid_ex_id, ifname_ex_id, NULL);
+ if (virCommandRun(cmd, NULL) < 0) {
+ virReportError(VIR_ERR_INTERNAL_ERROR,
+ _("Unable to set qos configuration on port %s"), ifname);
+ return -1;
+ }
+ }
+
+ return 0;
+}
+
/**
* virNetDevOpenvswitchInterfaceSetQos:
* @ifname: on which interface
@@ -807,88 +898,8 @@ virNetDevOpenvswitchInterfaceSetQos(const char *ifname,
}
if (tx && tx->average) {
- char vmuuidstr[VIR_UUID_STRING_BUFLEN];
- g_autoptr(virCommand) cmd = NULL;
- g_autofree char *vmid_ex_id = NULL;
- g_autofree char *ifname_ex_id = NULL;
- g_autofree char *average = NULL;
- g_autofree char *peak = NULL;
- g_autofree char *burst = NULL;
- g_autofree char *qos_uuid = NULL;
- g_autofree char *queue_uuid = NULL;
-
- average = g_strdup_printf("%llu", KBYTE_TO_BITS(tx->average));
- if (tx->burst)
- burst = g_strdup_printf("%llu", KIBIBYTE_TO_BITS(tx->burst));
- if (tx->peak)
- peak = g_strdup_printf("%llu", KBYTE_TO_BITS(tx->peak));
-
- virUUIDFormat(vmuuid, vmuuidstr);
- vmid_ex_id = g_strdup_printf("external-ids:vm-id=\"%s\"", vmuuidstr);
- ifname_ex_id = g_strdup_printf("external-ids:ifname=\"%s\"", ifname);
- /* find queue */
- queue_uuid = virNetDevOpenvswitchFindUUID("queue", vmid_ex_id, ifname_ex_id);
- /* find qos */
- qos_uuid = virNetDevOpenvswitchFindUUID("qos", vmid_ex_id, ifname_ex_id);
-
- /* create qos and set */
- cmd = virNetDevOpenvswitchCreateCmd();
- if (queue_uuid && *queue_uuid) {
- g_auto(GStrv) lines = g_strsplit(queue_uuid, "\n", 0);
- virCommandAddArgList(cmd, "set", "queue", lines[0], NULL);
- } else {
- virCommandAddArgList(cmd, "set", "port", ifname, "qos=@qos1",
- vmid_ex_id, ifname_ex_id,
- "--", "--id=@qos1", "create", "qos", "type=linux-htb", NULL);
- virCommandAddArgFormat(cmd, "other_config:min-rate=%s", average);
- if (burst) {
- virCommandAddArgFormat(cmd, "other_config:burst=%s", burst);
- }
- if (peak) {
- virCommandAddArgFormat(cmd, "other_config:max-rate=%s", peak);
- }
- virCommandAddArgList(cmd, "queues:0=@queue0", vmid_ex_id, ifname_ex_id,
- "--", "--id=@queue0", "create", "queue", NULL);
- }
- virCommandAddArgFormat(cmd, "other_config:min-rate=%s", average);
- if (burst) {
- virCommandAddArgFormat(cmd, "other_config:burst=%s", burst);
- }
- if (peak) {
- virCommandAddArgFormat(cmd, "other_config:max-rate=%s", peak);
- }
- virCommandAddArgList(cmd, vmid_ex_id, ifname_ex_id, NULL);
- if (virCommandRun(cmd, NULL) < 0) {
- if (queue_uuid && *queue_uuid) {
- virReportError(VIR_ERR_INTERNAL_ERROR,
- _("Unable to set queue configuration on port %s"), ifname);
- } else {
- virReportError(VIR_ERR_INTERNAL_ERROR,
- _("Unable to create and set qos configuration on port %s"), ifname);
- }
+ if (virNetDevOpenvswitchInterfaceSetTxQos(ifname, tx, vmuuid) < 0)
return -1;
- }
-
- if (qos_uuid && *qos_uuid) {
- g_auto(GStrv) lines = g_strsplit(qos_uuid, "\n", 0);
-
- virCommandFree(cmd);
- cmd = virNetDevOpenvswitchCreateCmd();
- virCommandAddArgList(cmd, "set", "qos", lines[0], NULL);
- virCommandAddArgFormat(cmd, "other_config:min-rate=%s", average);
- if (burst) {
- virCommandAddArgFormat(cmd, "other_config:burst=%s", burst);
- }
- if (peak) {
- virCommandAddArgFormat(cmd, "other_config:max-rate=%s", peak);
- }
- virCommandAddArgList(cmd, vmid_ex_id, ifname_ex_id, NULL);
- if (virCommandRun(cmd, NULL) < 0) {
- virReportError(VIR_ERR_INTERNAL_ERROR,
- _("Unable to set qos configuration on port %s"), ifname);
- return -1;
- }
- }
} else {
if (virNetDevOpenvswitchInterfaceClearTxQos(ifname, vmuuid) < 0) {
VIR_WARN("Clean tx qos for interface %s failed", ifname);
--
2.31.1
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