+int
+txgbe_syn_filter_set(struct rte_eth_dev *dev,
+ struct rte_eth_syn_filter *filter,
+ bool add)
+{
+ struct txgbe_hw *hw = TXGBE_DEV_HW(dev);
+ struct txgbe_filter_info *filter_info = TXGBE_DEV_FILTER(dev);
+ uint32_t syn_info;
+ uint32_t synqf;
+
+ if (filter->queue >= TXGBE_MAX_RX_QUEUE_NUM)
+ return -EINVAL;
+
+ syn_info = filter_info->syn_info;
+
+ if (add) {
+ if (syn_info & TXGBE_SYNCLS_ENA)
+ return -EINVAL;
+ synqf = (uint32_t)TXGBE_SYNCLS_QPID(filter->queue);
+ synqf |= TXGBE_SYNCLS_ENA;
+
+ if (filter->hig_pri)
+ synqf |= TXGBE_SYNCLS_HIPRIO;
+ else
+ synqf &= ~TXGBE_SYNCLS_HIPRIO;
+ } else {
+ synqf = rd32(hw, TXGBE_SYNCLS);
+ if (!(syn_info & TXGBE_SYNCLS_ENA))
+ return -ENOENT;
+ synqf &= ~(TXGBE_SYNCLS_QPID_MASK | TXGBE_SYNCLS_ENA);
+ }
+
+ filter_info->syn_info = synqf;
+ wr32(hw, TXGBE_SYNCLS, synqf);
+ txgbe_flush(hw);
+ return 0;
+}
+
+static inline enum txgbe_5tuple_protocol
+convert_protocol_type(uint8_t protocol_value)
+{
+ if (protocol_value == IPPROTO_TCP)
+ return TXGBE_5TF_PROT_TCP;
+ else if (protocol_value == IPPROTO_UDP)
+ return TXGBE_5TF_PROT_UDP;
+ else if (protocol_value == IPPROTO_SCTP)
+ return TXGBE_5TF_PROT_SCTP;
+ else
+ return TXGBE_5TF_PROT_NONE;
+}
+
+/* inject a 5-tuple filter to HW */
+static inline void
+txgbe_inject_5tuple_filter(struct rte_eth_dev *dev,
+ struct txgbe_5tuple_filter *filter)
+{
+ struct txgbe_hw *hw = TXGBE_DEV_HW(dev);
+ int i;
+ uint32_t ftqf, sdpqf;
+ uint32_t l34timir = 0;
+ uint32_t mask = TXGBE_5TFCTL0_MASK;
+
+ i = filter->index;
+ sdpqf = TXGBE_5TFPORT_DST(be_to_le16(filter->filter_info.dst_port));
+ sdpqf |= TXGBE_5TFPORT_SRC(be_to_le16(filter->filter_info.src_port));
+
+ ftqf = TXGBE_5TFCTL0_PROTO(filter->filter_info.proto);
+ ftqf |= TXGBE_5TFCTL0_PRI(filter->filter_info.priority);
+ if (filter->filter_info.src_ip_mask == 0) /* 0 means compare. */
+ mask &= ~TXGBE_5TFCTL0_MSADDR;
+ if (filter->filter_info.dst_ip_mask == 0)
+ mask &= ~TXGBE_5TFCTL0_MDADDR;
+ if (filter->filter_info.src_port_mask == 0)
+ mask &= ~TXGBE_5TFCTL0_MSPORT;
+ if (filter->filter_info.dst_port_mask == 0)
+ mask &= ~TXGBE_5TFCTL0_MDPORT;
+ if (filter->filter_info.proto_mask == 0)
+ mask &= ~TXGBE_5TFCTL0_MPROTO;
+ ftqf |= mask;
+ ftqf |= TXGBE_5TFCTL0_MPOOL;
+ ftqf |= TXGBE_5TFCTL0_ENA;
+
+ wr32(hw, TXGBE_5TFDADDR(i), be_to_le32(filter->filter_info.dst_ip));
+ wr32(hw, TXGBE_5TFSADDR(i), be_to_le32(filter->filter_info.src_ip));
+ wr32(hw, TXGBE_5TFPORT(i), sdpqf);
+ wr32(hw, TXGBE_5TFCTL0(i), ftqf);
+
+ l34timir |= TXGBE_5TFCTL1_QP(filter->queue);
+ wr32(hw, TXGBE_5TFCTL1(i), l34timir);
+}
+
+/*
+ * add a 5tuple filter
+ *
+ * @param
+ * dev: Pointer to struct rte_eth_dev.
+ * index: the index the filter allocates.
+ * filter: pointer to the filter that will be added.
+ * rx_queue: the queue id the filter assigned to.
+ *
+ * @return
+ * - On success, zero.
+ * - On failure, a negative value.
+ */
+static int
+txgbe_add_5tuple_filter(struct rte_eth_dev *dev,
+ struct txgbe_5tuple_filter *filter)
+{
+ struct txgbe_filter_info *filter_info = TXGBE_DEV_FILTER(dev);
+ int i, idx, shift;
+
+ /*
+ * look for an unused 5tuple filter index,
+ * and insert the filter to list.
+ */
+ for (i = 0; i < TXGBE_MAX_FTQF_FILTERS; i++) {
+ idx = i / (sizeof(uint32_t) * NBBY);
+ shift = i % (sizeof(uint32_t) * NBBY);
+ if (!(filter_info->fivetuple_mask[idx] & (1 << shift))) {
+ filter_info->fivetuple_mask[idx] |= 1 << shift;
+ filter->index = i;
+ TAILQ_INSERT_TAIL(&filter_info->fivetuple_list,
+ filter,
+ entries);
+ break;
+ }
+ }
+ if (i >= TXGBE_MAX_FTQF_FILTERS) {
+ PMD_DRV_LOG(ERR, "5tuple filters are full.");
+ return -ENOSYS;
+ }
+
+ txgbe_inject_5tuple_filter(dev, filter);
+
+ return 0;
+}
+
+/*
+ * remove a 5tuple filter
+ *
+ * @param
+ * dev: Pointer to struct rte_eth_dev.
+ * filter: the pointer of the filter will be removed.
+ */
+static void
+txgbe_remove_5tuple_filter(struct rte_eth_dev *dev,
+ struct txgbe_5tuple_filter *filter)
+{
+ struct txgbe_hw *hw = TXGBE_DEV_HW(dev);
+ struct txgbe_filter_info *filter_info = TXGBE_DEV_FILTER(dev);
+ uint16_t index = filter->index;
+
+ filter_info->fivetuple_mask[index / (sizeof(uint32_t) * NBBY)] &=
+ ~(1 << (index % (sizeof(uint32_t) * NBBY)));
+ TAILQ_REMOVE(&filter_info->fivetuple_list, filter, entries);
+ rte_free(filter);
+
+ wr32(hw, TXGBE_5TFDADDR(index), 0);
+ wr32(hw, TXGBE_5TFSADDR(index), 0);
+ wr32(hw, TXGBE_5TFPORT(index), 0);
+ wr32(hw, TXGBE_5TFCTL0(index), 0);
+ wr32(hw, TXGBE_5TFCTL1(index), 0);
+}
+
+static inline struct txgbe_5tuple_filter *
+txgbe_5tuple_filter_lookup(struct txgbe_5tuple_filter_list *filter_list,
+ struct txgbe_5tuple_filter_info *key)
+{
+ struct txgbe_5tuple_filter *it;
+
+ TAILQ_FOREACH(it, filter_list, entries) {
+ if (memcmp(key, &it->filter_info,
+ sizeof(struct txgbe_5tuple_filter_info)) == 0) {
+ return it;
+ }
+ }
+ return NULL;
+}
+
+/* translate elements in struct rte_eth_ntuple_filter
+ * to struct txgbe_5tuple_filter_info
+ */
+static inline int
+ntuple_filter_to_5tuple(struct rte_eth_ntuple_filter *filter,
+ struct txgbe_5tuple_filter_info *filter_info)
+{
+ if (filter->queue >= TXGBE_MAX_RX_QUEUE_NUM ||
+ filter->priority > TXGBE_5TUPLE_MAX_PRI ||
+ filter->priority < TXGBE_5TUPLE_MIN_PRI)
+ return -EINVAL;
+
+ switch (filter->dst_ip_mask) {
+ case UINT32_MAX:
+ filter_info->dst_ip_mask = 0;
+ filter_info->dst_ip = filter->dst_ip;
+ break;
+ case 0:
+ filter_info->dst_ip_mask = 1;
+ break;
+ default:
+ PMD_DRV_LOG(ERR, "invalid dst_ip mask.");
+ return -EINVAL;
+ }
+
+ switch (filter->src_ip_mask) {
+ case UINT32_MAX:
+ filter_info->src_ip_mask = 0;
+ filter_info->src_ip = filter->src_ip;
+ break;
+ case 0:
+ filter_info->src_ip_mask = 1;
+ break;
+ default:
+ PMD_DRV_LOG(ERR, "invalid src_ip mask.");
+ return -EINVAL;
+ }
+
+ switch (filter->dst_port_mask) {
+ case UINT16_MAX:
+ filter_info->dst_port_mask = 0;
+ filter_info->dst_port = filter->dst_port;
+ break;
+ case 0:
+ filter_info->dst_port_mask = 1;
+ break;
+ default:
+ PMD_DRV_LOG(ERR, "invalid dst_port mask.");
+ return -EINVAL;
+ }
+
+ switch (filter->src_port_mask) {
+ case UINT16_MAX:
+ filter_info->src_port_mask = 0;
+ filter_info->src_port = filter->src_port;
+ break;
+ case 0:
+ filter_info->src_port_mask = 1;
+ break;
+ default:
+ PMD_DRV_LOG(ERR, "invalid src_port mask.");
+ return -EINVAL;
+ }
+
+ switch (filter->proto_mask) {
+ case UINT8_MAX:
+ filter_info->proto_mask = 0;
+ filter_info->proto =
+ convert_protocol_type(filter->proto);
+ break;
+ case 0:
+ filter_info->proto_mask = 1;
+ break;
+ default:
+ PMD_DRV_LOG(ERR, "invalid protocol mask.");
+ return -EINVAL;
+ }
+
+ filter_info->priority = (uint8_t)filter->priority;
+ return 0;
+}
+
+/*
+ * add or delete a ntuple filter
+ *
+ * @param
+ * dev: Pointer to struct rte_eth_dev.
+ * ntuple_filter: Pointer to struct rte_eth_ntuple_filter
+ * add: if true, add filter, if false, remove filter
+ *
+ * @return
+ * - On success, zero.
+ * - On failure, a negative value.
+ */
+int
+txgbe_add_del_ntuple_filter(struct rte_eth_dev *dev,
+ struct rte_eth_ntuple_filter *ntuple_filter,
+ bool add)
+{
+ struct txgbe_filter_info *filter_info = TXGBE_DEV_FILTER(dev);
+ struct txgbe_5tuple_filter_info filter_5tuple;
+ struct txgbe_5tuple_filter *filter;
+ int ret;
+
+ if (ntuple_filter->flags != RTE_5TUPLE_FLAGS) {
+ PMD_DRV_LOG(ERR, "only 5tuple is supported.");
+ return -EINVAL;
+ }
+
+ memset(&filter_5tuple, 0, sizeof(struct txgbe_5tuple_filter_info));
+ ret = ntuple_filter_to_5tuple(ntuple_filter, &filter_5tuple);
+ if (ret < 0)
+ return ret;
+
+ filter = txgbe_5tuple_filter_lookup(&filter_info->fivetuple_list,
+ &filter_5tuple);
+ if (filter != NULL && add) {
+ PMD_DRV_LOG(ERR, "filter exists.");
+ return -EEXIST;
+ }
+ if (filter == NULL && !add) {
+ PMD_DRV_LOG(ERR, "filter doesn't exist.");
+ return -ENOENT;
+ }
+
+ if (add) {
+ filter = rte_zmalloc("txgbe_5tuple_filter",
+ sizeof(struct txgbe_5tuple_filter), 0);
+ if (filter == NULL)
+ return -ENOMEM;
+ rte_memcpy(&filter->filter_info,
+ &filter_5tuple,
+ sizeof(struct txgbe_5tuple_filter_info));
+ filter->queue = ntuple_filter->queue;
+ ret = txgbe_add_5tuple_filter(dev, filter);
+ if (ret < 0) {
+ rte_free(filter);
+ return ret;
+ }
+ } else {
+ txgbe_remove_5tuple_filter(dev, filter);
+ }
+
+ return 0;
+}
+
+int
+txgbe_add_del_ethertype_filter(struct rte_eth_dev *dev,
+ struct rte_eth_ethertype_filter *filter,
+ bool add)
+{
+ struct txgbe_hw *hw = TXGBE_DEV_HW(dev);
+ struct txgbe_filter_info *filter_info = TXGBE_DEV_FILTER(dev);
+ uint32_t etqf = 0;
+ uint32_t etqs = 0;
+ int ret;
+ struct txgbe_ethertype_filter ethertype_filter;
+
+ if (filter->queue >= TXGBE_MAX_RX_QUEUE_NUM)
+ return -EINVAL;
+
+ if (filter->ether_type == RTE_ETHER_TYPE_IPV4 ||
+ filter->ether_type == RTE_ETHER_TYPE_IPV6) {
+ PMD_DRV_LOG(ERR, "unsupported ether_type(0x%04x) in"
+ " ethertype filter.", filter->ether_type);
+ return -EINVAL;
+ }
+
+ if (filter->flags & RTE_ETHTYPE_FLAGS_MAC) {
+ PMD_DRV_LOG(ERR, "mac compare is unsupported.");
+ return -EINVAL;
+ }
+ if (filter->flags & RTE_ETHTYPE_FLAGS_DROP) {
+ PMD_DRV_LOG(ERR, "drop option is unsupported.");
+ return -EINVAL;
+ }
+
+ ret = txgbe_ethertype_filter_lookup(filter_info, filter->ether_type);
+ if (ret >= 0 && add) {
+ PMD_DRV_LOG(ERR, "ethertype (0x%04x) filter exists.",
+ filter->ether_type);
+ return -EEXIST;
+ }
+ if (ret < 0 && !add) {
+ PMD_DRV_LOG(ERR, "ethertype (0x%04x) filter doesn't exist.",
+ filter->ether_type);
+ return -ENOENT;
+ }
+
+ if (add) {
+ etqf = TXGBE_ETFLT_ENA;
+ etqf |= TXGBE_ETFLT_ETID(filter->ether_type);
+ etqs |= TXGBE_ETCLS_QPID(filter->queue);
+ etqs |= TXGBE_ETCLS_QENA;
+
+ ethertype_filter.ethertype = filter->ether_type;
+ ethertype_filter.etqf = etqf;
+ ethertype_filter.etqs = etqs;
+ ethertype_filter.conf = FALSE;
+ ret = txgbe_ethertype_filter_insert(filter_info,
+ ðertype_filter);
+ if (ret < 0) {
+ PMD_DRV_LOG(ERR, "ethertype filters are full.");
+ return -ENOSPC;
+ }
+ } else {
+ ret = txgbe_ethertype_filter_remove(filter_info, (uint8_t)ret);
+ if (ret < 0)
+ return -ENOSYS;
+ }
+ wr32(hw, TXGBE_ETFLT(ret), etqf);
+ wr32(hw, TXGBE_ETCLS(ret), etqs);
+ txgbe_flush(hw);
+
+ return 0;
+}
+
+static int
+txgbe_dev_filter_ctrl(__rte_unused struct rte_eth_dev *dev,
+ enum rte_filter_type filter_type,
+ enum rte_filter_op filter_op,
+ void *arg)
+{
+ int ret = 0;
+
+ switch (filter_type) {
+ case RTE_ETH_FILTER_GENERIC:
+ if (filter_op != RTE_ETH_FILTER_GET)
+ return -EINVAL;
+ *(const void **)arg = &txgbe_flow_ops;
+ break;
+ default:
+ PMD_DRV_LOG(WARNING, "Filter type (%d) not supported",
+ filter_type);
+ ret = -EINVAL;
+ break;
+ }
+
+ return ret;
+}
+