return 0;
}
+static int
+igb_parse_rss_filter(struct rte_eth_dev *dev,
+ const struct rte_flow_attr *attr,
+ const struct rte_flow_action actions[],
+ struct igb_rte_flow_rss_conf *rss_conf,
+ struct rte_flow_error *error)
+{
+ const struct rte_flow_action *act;
+ const struct rte_flow_action_rss *rss;
+ uint16_t n, index;
+
+ /**
+ * rss only supports forwarding,
+ * check if the first not void action is RSS.
+ */
+ index = 0;
+ NEXT_ITEM_OF_ACTION(act, actions, index);
+ if (act->type != RTE_FLOW_ACTION_TYPE_RSS) {
+ memset(rss_conf, 0, sizeof(struct igb_rte_flow_rss_conf));
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION,
+ act, "Not supported action.");
+ return -rte_errno;
+ }
+
+ rss = (const struct rte_flow_action_rss *)act->conf;
+
+ if (!rss || !rss->num) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION,
+ act,
+ "no valid queues");
+ return -rte_errno;
+ }
+
+ for (n = 0; n < rss->num; n++) {
+ if (rss->queue[n] >= dev->data->nb_rx_queues) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION,
+ act,
+ "queue id > max number of queues");
+ return -rte_errno;
+ }
+ }
+
+ if (rss->rss_conf)
+ rss_conf->rss_conf = *rss->rss_conf;
+ else
+ rss_conf->rss_conf.rss_hf = IGB_RSS_OFFLOAD_ALL;
+
+ for (n = 0; n < rss->num; ++n)
+ rss_conf->queue[n] = rss->queue[n];
+ rss_conf->num = rss->num;
+
+ /* check if the next not void item is END */
+ index++;
+ NEXT_ITEM_OF_ACTION(act, actions, index);
+ if (act->type != RTE_FLOW_ACTION_TYPE_END) {
+ memset(rss_conf, 0, sizeof(struct rte_eth_rss_conf));
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ACTION,
+ act, "Not supported action.");
+ return -rte_errno;
+ }
+
+ /* parse attr */
+ /* must be input direction */
+ if (!attr->ingress) {
+ memset(rss_conf, 0, sizeof(struct igb_rte_flow_rss_conf));
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ATTR_INGRESS,
+ attr, "Only support ingress.");
+ return -rte_errno;
+ }
+
+ /* not supported */
+ if (attr->egress) {
+ memset(rss_conf, 0, sizeof(struct igb_rte_flow_rss_conf));
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ATTR_EGRESS,
+ attr, "Not support egress.");
+ return -rte_errno;
+ }
+
+ if (attr->priority > 0xFFFF) {
+ memset(rss_conf, 0, sizeof(struct igb_rte_flow_rss_conf));
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ATTR_PRIORITY,
+ attr, "Error priority.");
+ return -rte_errno;
+ }
+
+ return 0;
+}
+
/**
* Create a flow rule.
* Theorically one rule can match more than one filters.
struct rte_eth_ethertype_filter ethertype_filter;
struct rte_eth_syn_filter syn_filter;
struct rte_eth_flex_filter flex_filter;
+ struct igb_rte_flow_rss_conf rss_conf;
struct rte_flow *flow = NULL;
struct igb_ntuple_filter_ele *ntuple_filter_ptr;
struct igb_ethertype_filter_ele *ethertype_filter_ptr;
struct igb_eth_syn_filter_ele *syn_filter_ptr;
struct igb_flex_filter_ele *flex_filter_ptr;
+ struct igb_rss_conf_ele *rss_filter_ptr;
struct igb_flow_mem *igb_flow_mem_ptr;
flow = rte_zmalloc("igb_rte_flow", sizeof(struct rte_flow), 0);
}
}
+ memset(&rss_conf, 0, sizeof(struct igb_rte_flow_rss_conf));
+ ret = igb_parse_rss_filter(dev, attr,
+ actions, &rss_conf, error);
+ if (!ret) {
+ ret = igb_config_rss_filter(dev, &rss_conf, TRUE);
+ if (!ret) {
+ rss_filter_ptr = rte_zmalloc("igb_rss_filter",
+ sizeof(struct igb_rss_conf_ele), 0);
+ if (!rss_filter_ptr) {
+ PMD_DRV_LOG(ERR, "failed to allocate memory");
+ goto out;
+ }
+ rte_memcpy(&rss_filter_ptr->filter_info,
+ &rss_conf,
+ sizeof(struct igb_rte_flow_rss_conf));
+ TAILQ_INSERT_TAIL(&igb_filter_rss_list,
+ rss_filter_ptr, entries);
+ flow->rule = rss_filter_ptr;
+ flow->filter_type = RTE_ETH_FILTER_HASH;
+ return flow;
+ }
+ }
+
out:
TAILQ_REMOVE(&igb_flow_list,
igb_flow_mem_ptr, entries);
struct rte_eth_ethertype_filter ethertype_filter;
struct rte_eth_syn_filter syn_filter;
struct rte_eth_flex_filter flex_filter;
+ struct igb_rte_flow_rss_conf rss_conf;
int ret;
memset(&ntuple_filter, 0, sizeof(struct rte_eth_ntuple_filter));
memset(&flex_filter, 0, sizeof(struct rte_eth_flex_filter));
ret = igb_parse_flex_filter(dev, attr, pattern,
actions, &flex_filter, error);
+ if (!ret)
+ return 0;
+
+ memset(&rss_conf, 0, sizeof(struct igb_rte_flow_rss_conf));
+ ret = igb_parse_rss_filter(dev, attr,
+ actions, &rss_conf, error);
return ret;
}
struct igb_eth_syn_filter_ele *syn_filter_ptr;
struct igb_flex_filter_ele *flex_filter_ptr;
struct igb_flow_mem *igb_flow_mem_ptr;
+ struct igb_rss_conf_ele *rss_filter_ptr;
switch (filter_type) {
case RTE_ETH_FILTER_NTUPLE:
rte_free(flex_filter_ptr);
}
break;
+ case RTE_ETH_FILTER_HASH:
+ rss_filter_ptr = (struct igb_rss_conf_ele *)
+ pmd_flow->rule;
+ ret = igb_config_rss_filter(dev,
+ &rss_filter_ptr->filter_info, FALSE);
+ if (!ret) {
+ TAILQ_REMOVE(&igb_filter_rss_list,
+ rss_filter_ptr, entries);
+ rte_free(rss_filter_ptr);
+ }
+ break;
default:
PMD_DRV_LOG(WARNING, "Filter type (%d) not supported",
filter_type);
igb_remove_flex_filter(dev, flex_filter);
}
+/* remove the rss filter */
+static void
+igb_clear_rss_filter(struct rte_eth_dev *dev)
+{
+ struct e1000_filter_info *filter =
+ E1000_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
+
+ if (filter->rss_info.num)
+ igb_config_rss_filter(dev, &filter->rss_info, FALSE);
+}
+
void
igb_filterlist_flush(struct rte_eth_dev *dev)
{
struct igb_ethertype_filter_ele *ethertype_filter_ptr;
struct igb_eth_syn_filter_ele *syn_filter_ptr;
struct igb_flex_filter_ele *flex_filter_ptr;
+ struct igb_rss_conf_ele *rss_filter_ptr;
struct igb_flow_mem *igb_flow_mem_ptr;
enum rte_filter_type filter_type;
struct rte_flow *pmd_flow;
flex_filter_ptr, entries);
rte_free(flex_filter_ptr);
break;
+ case RTE_ETH_FILTER_HASH:
+ rss_filter_ptr =
+ (struct igb_rss_conf_ele *)
+ pmd_flow->rule;
+ TAILQ_REMOVE(&igb_filter_rss_list,
+ rss_filter_ptr, entries);
+ rte_free(rss_filter_ptr);
+ break;
default:
PMD_DRV_LOG(WARNING, "Filter type"
"(%d) not supported", filter_type);
igb_clear_all_ethertype_filter(dev);
igb_clear_syn_filter(dev);
igb_clear_all_flex_filter(dev);
+ igb_clear_rss_filter(dev);
igb_filterlist_flush(dev);
return 0;
qinfo->conf.tx_thresh.hthresh = txq->hthresh;
qinfo->conf.tx_thresh.wthresh = txq->wthresh;
}
+
+int
+igb_config_rss_filter(struct rte_eth_dev *dev,
+ struct igb_rte_flow_rss_conf *conf, bool add)
+{
+ uint32_t shift;
+ uint16_t i, j;
+ struct rte_eth_rss_conf rss_conf = conf->rss_conf;
+ struct e1000_filter_info *filter_info =
+ E1000_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
+ struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+
+ hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+
+ if (!add) {
+ if (memcmp(conf, &filter_info->rss_info,
+ sizeof(struct igb_rte_flow_rss_conf)) == 0) {
+ igb_rss_disable(dev);
+ memset(&filter_info->rss_info, 0,
+ sizeof(struct igb_rte_flow_rss_conf));
+ return 0;
+ }
+ return -EINVAL;
+ }
+
+ if (filter_info->rss_info.num)
+ return -EINVAL;
+
+ /* Fill in redirection table. */
+ shift = (hw->mac.type == e1000_82575) ? 6 : 0;
+ for (i = 0, j = 0; i < 128; i++, j++) {
+ union e1000_reta {
+ uint32_t dword;
+ uint8_t bytes[4];
+ } reta;
+ uint8_t q_idx;
+
+ q_idx = conf->queue[j];
+ if (j == conf->num)
+ j = 0;
+ reta.bytes[i & 3] = (uint8_t)(q_idx << shift);
+ if ((i & 3) == 3)
+ E1000_WRITE_REG(hw, E1000_RETA(i >> 2), reta.dword);
+ }
+
+ /* Configure the RSS key and the RSS protocols used to compute
+ * the RSS hash of input packets.
+ */
+ if ((rss_conf.rss_hf & IGB_RSS_OFFLOAD_ALL) == 0) {
+ igb_rss_disable(dev);
+ return 0;
+ }
+ if (rss_conf.rss_key == NULL)
+ rss_conf.rss_key = rss_intel_key; /* Default hash key */
+ igb_hw_rss_hash_set(hw, &rss_conf);
+
+ rte_memcpy(&filter_info->rss_info,
+ conf, sizeof(struct igb_rte_flow_rss_conf));
+
+ return 0;
+}
git.droids-corp.org / dpdk.git / commitdiff