@@ -92,6 +92,10 @@ For more detail on SR-IOV, please refer to the following documents:
available for IAVF PMD. The same devargs with the same parameters can be applied to IAVF PMD, for detail please reference
the section ``Protocol extraction for per queue`` of ice.rst.
+ Quanta size configuration is also supported when IAVF is backed by an Intel® E810 device by setting ``devargs``
+ parameter ``quanta_size`` like ``-a 18:00.0,quanta_size=2048``. The default value is 1024, and quanta size should be
+ set as the product of 64 in legacy host interface mode.
+
The PCIE host-interface of Intel Ethernet Switch FM10000 Series VF infrastructure
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
@@ -58,6 +58,7 @@ New Features
* **Updated Intel iavf driver.**
* Added Tx QoS queue rate limitation support.
+ * Added quanta size configuration support.
Removed Items
-------------
@@ -292,6 +292,7 @@ enum iavf_proto_xtr_type {
struct iavf_devargs {
uint8_t proto_xtr_dflt;
uint8_t proto_xtr[IAVF_MAX_QUEUE_NUM];
+ uint16_t quanta_size;
};
struct iavf_security_ctx;
@@ -467,6 +468,8 @@ int iavf_set_q_bw(struct rte_eth_dev *dev,
int iavf_set_q_tc_map(struct rte_eth_dev *dev,
struct virtchnl_queue_tc_mapping *q_tc_mapping,
uint16_t size);
+int iavf_set_vf_quanta_size(struct iavf_adapter *adapter, u16 start_queue_id,
+ u16 num_queues);
void iavf_tm_conf_init(struct rte_eth_dev *dev);
void iavf_tm_conf_uninit(struct rte_eth_dev *dev);
int iavf_ipsec_crypto_request(struct iavf_adapter *adapter,
@@ -34,9 +34,11 @@
/* devargs */
#define IAVF_PROTO_XTR_ARG "proto_xtr"
+#define IAVF_QUANTA_SIZE_ARG "quanta_size"
static const char * const iavf_valid_args[] = {
IAVF_PROTO_XTR_ARG,
+ IAVF_QUANTA_SIZE_ARG,
NULL
};
@@ -950,6 +952,9 @@ iavf_dev_start(struct rte_eth_dev *dev)
return -1;
}
+ if (iavf_set_vf_quanta_size(adapter, index, num_queue_pairs) != 0)
+ PMD_DRV_LOG(WARNING, "configure quanta size failed");
+
/* If needed, send configure queues msg multiple times to make the
* adminq buffer length smaller than the 4K limitation.
*/
@@ -2092,6 +2097,25 @@ iavf_handle_proto_xtr_arg(__rte_unused const char *key, const char *value,
return 0;
}
+static int
+parse_u16(__rte_unused const char *key, const char *value, void *args)
+{
+ u16 *num = (u16 *)args;
+ u16 tmp;
+
+ errno = 0;
+ tmp = strtoull(value, NULL, 10);
+ if (errno || !tmp) {
+ PMD_DRV_LOG(WARNING, "%s: \"%s\" is not a valid u16",
+ key, value);
+ return -1;
+ }
+
+ *num = tmp;
+
+ return 0;
+}
+
static int iavf_parse_devargs(struct rte_eth_dev *dev)
{
struct iavf_adapter *ad =
@@ -2118,6 +2142,20 @@ static int iavf_parse_devargs(struct rte_eth_dev *dev)
if (ret)
goto bail;
+ ret = rte_kvargs_process(kvlist, IAVF_QUANTA_SIZE_ARG,
+ &parse_u16, &ad->devargs.quanta_size);
+ if (ret)
+ goto bail;
+
+ if (ad->devargs.quanta_size == 0)
+ ad->devargs.quanta_size = 1024;
+
+ if (ad->devargs.quanta_size < 256 || ad->devargs.quanta_size > 4096 ||
+ ad->devargs.quanta_size & 0x40) {
+ PMD_INIT_LOG(ERR, "invalid quanta size\n");
+ return -EINVAL;
+ }
+
bail:
rte_kvargs_free(kvlist);
return ret;
@@ -1828,3 +1828,34 @@ iavf_ipsec_crypto_request(struct iavf_adapter *adapter,
return 0;
}
+
+int
+iavf_set_vf_quanta_size(struct iavf_adapter *adapter, u16 start_queue_id, u16 num_queues)
+{
+ struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
+ struct iavf_cmd_info args;
+ struct virtchnl_quanta_cfg q_quanta;
+ int err;
+
+ if (adapter->devargs.quanta_size == 0)
+ return 0;
+
+ q_quanta.quanta_size = adapter->devargs.quanta_size;
+ q_quanta.queue_select.type = VIRTCHNL_QUEUE_TYPE_TX;
+ q_quanta.queue_select.start_queue_id = start_queue_id;
+ q_quanta.queue_select.num_queues = num_queues;
+
+ args.ops = VIRTCHNL_OP_CONFIG_QUANTA;
+ args.in_args = (uint8_t *)&q_quanta;
+ args.in_args_size = sizeof(q_quanta);
+ args.out_buffer = vf->aq_resp;
+ args.out_size = IAVF_AQ_BUF_SZ;
+
+ err = iavf_execute_vf_cmd(adapter, &args, 0);
+ if (err) {
+ PMD_DRV_LOG(ERR, "Failed to execute command VIRTCHNL_OP_CONFIG_QUANTA");
+ return err;
+ }
+
+ return 0;
+}