Add new devarg for virtio user device vectorized path selection.
By default vectorized path is disabled.
Signed-off-by: Marvin Liu <yong.liu@intel.com>
Reviewed-by: Maxime Coquelin <maxime.coquelin@redhat.com>
rte_eth_link_get_nowait function.
(Default: 10000 (10G))
rte_eth_link_get_nowait function.
(Default: 10000 (10G))
+#. ``vectorized``:
+
+ It is used to specify whether virtio device prefers to use vectorized path.
+ Afterwards, dependencies of vectorized path will be checked in path
+ election.
+ (Default: 0 (disabled))
Virtio paths Selection and Usage
--------------------------------
Virtio paths Selection and Usage
--------------------------------
VIRTIO_USER_ARG_PACKED_VQ,
#define VIRTIO_USER_ARG_SPEED "speed"
VIRTIO_USER_ARG_SPEED,
VIRTIO_USER_ARG_PACKED_VQ,
#define VIRTIO_USER_ARG_SPEED "speed"
VIRTIO_USER_ARG_SPEED,
+#define VIRTIO_USER_ARG_VECTORIZED "vectorized"
+ VIRTIO_USER_ARG_VECTORIZED,
uint64_t mrg_rxbuf = 1;
uint64_t in_order = 1;
uint64_t packed_vq = 0;
uint64_t mrg_rxbuf = 1;
uint64_t in_order = 1;
uint64_t packed_vq = 0;
+ uint64_t vectorized = 0;
char *path = NULL;
char *ifname = NULL;
char *mac_addr = NULL;
char *path = NULL;
char *ifname = NULL;
char *mac_addr = NULL;
+ if (rte_kvargs_count(kvlist, VIRTIO_USER_ARG_VECTORIZED) == 1) {
+ if (rte_kvargs_process(kvlist, VIRTIO_USER_ARG_VECTORIZED,
+ &get_integer_arg, &vectorized) < 0) {
+ PMD_INIT_LOG(ERR, "error to parse %s",
+ VIRTIO_USER_ARG_VECTORIZED);
+ goto end;
+ }
+ }
+
if (queues > 1 && cq == 0) {
PMD_INIT_LOG(ERR, "multi-q requires ctrl-q");
goto end;
if (queues > 1 && cq == 0) {
PMD_INIT_LOG(ERR, "multi-q requires ctrl-q");
goto end;
+ if (vectorized)
+ hw->use_vec_rx = 1;
+
rte_eth_dev_probing_finish(eth_dev);
ret = 0;
rte_eth_dev_probing_finish(eth_dev);
ret = 0;
"mrg_rxbuf=<0|1> "
"in_order=<0|1> "
"packed_vq=<0|1> "
"mrg_rxbuf=<0|1> "
"in_order=<0|1> "
"packed_vq=<0|1> "
+ "speed=<int> "
+ "vectorized=<0|1>");