if (ret)
return ret;
- /* Set RSS hash configuration based on rss_conf->rss_hf. */
- ret = iavf_rss_hash_set(adapter, rss_conf->rss_hf, true);
- if (ret) {
- PMD_DRV_LOG(ERR, "fail to set default RSS");
- return ret;
+ if (vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_ADV_RSS_PF) {
+ /* Set RSS hash configuration based on rss_conf->rss_hf. */
+ ret = iavf_rss_hash_set(adapter, rss_conf->rss_hf, true);
+ if (ret) {
+ PMD_DRV_LOG(ERR, "fail to set default RSS");
+ return ret;
+ }
}
return 0;
/* If Rx interrupt is reuquired, and we can use
* multi interrupts, then the vec is from 1
*/
- vf->nb_msix = RTE_MIN(vf->vf_res->max_vectors,
- intr_handle->nb_efd);
+ vf->nb_msix = RTE_MIN(intr_handle->nb_efd,
+ (uint16_t)(vf->vf_res->max_vectors - 1));
vf->msix_base = IAVF_RX_VEC_START;
vec = IAVF_RX_VEC_START;
for (i = 0; i < dev->data->nb_rx_queues; i++) {
qv_map[i].queue_id = i;
qv_map[i].vector_id = vec;
intr_handle->intr_vec[i] = vec++;
- if (vec >= vf->nb_msix)
+ if (vec >= vf->nb_msix + IAVF_RX_VEC_START)
vec = IAVF_RX_VEC_START;
}
vf->qv_map = qv_map;
if (rss_conf->rss_hf == 0)
return 0;
- /* Clear existing RSS. */
- ret = iavf_set_hena(adapter, 0);
+ if (vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_ADV_RSS_PF) {
+ /* Clear existing RSS. */
+ ret = iavf_set_hena(adapter, 0);
- /* It is a workaround, temporarily allow error to be returned
- * due to possible lack of PF handling for hena = 0.
- */
- if (ret)
- PMD_DRV_LOG(WARNING, "fail to clean existing RSS,"
- "lack PF support");
+ /* It is a workaround, temporarily allow error to be returned
+ * due to possible lack of PF handling for hena = 0.
+ */
+ if (ret)
+ PMD_DRV_LOG(WARNING, "fail to clean existing RSS,"
+ "lack PF support");
- /* Set new RSS configuration. */
- ret = iavf_rss_hash_set(adapter, rss_conf->rss_hf, true);
- if (ret) {
- PMD_DRV_LOG(ERR, "fail to set new RSS");
- return ret;
+ /* Set new RSS configuration. */
+ ret = iavf_rss_hash_set(adapter, rss_conf->rss_hf, true);
+ if (ret) {
+ PMD_DRV_LOG(ERR, "fail to set new RSS");
+ return ret;
+ }
}
return 0;
return ret;
}
+static void
+iavf_default_rss_disable(struct iavf_adapter *adapter)
+{
+ struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter);
+ int ret = 0;
+
+ if (vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_ADV_RSS_PF) {
+ /* Set hena = 0 to ask PF to cleanup all existing RSS. */
+ ret = iavf_set_hena(adapter, 0);
+ if (ret)
+ /* It is a workaround, temporarily allow error to be
+ * returned due to possible lack of PF handling for
+ * hena = 0.
+ */
+ PMD_INIT_LOG(WARNING, "fail to disable default RSS,"
+ "lack PF support");
+ }
+}
static int
iavf_dev_init(struct rte_eth_dev *eth_dev)
return ret;
}
- /* Set hena = 0 to ask PF to cleanup all existing RSS. */
- ret = iavf_set_hena(adapter, 0);
- if (ret)
- /* It is a workaround, temporarily allow error to be returned
- * due to possible lack of PF handling for hena = 0.
- */
- PMD_DRV_LOG(WARNING, "fail to disable default RSS,"
- "lack PF support");
+ iavf_default_rss_disable(adapter);
return 0;
}