@@ -17,6 +17,7 @@ RSS key update = Y
RSS reta update = Y
Flow control = Y
VLAN offload = Y
+QinQ offload = Y
L3 checksum offload = Y
L4 checksum offload = Y
Basic stats = Y
@@ -293,3 +293,4 @@ Metadata with L2 (1W/4B)
Tpid just be stored, now we don't handle it
The vlan[0] is the innermost VLAN
+ The vlan[1] is the QinQ info
@@ -195,7 +195,7 @@ nfp_net_log_device_information(const struct nfp_net_hw *hw)
NFD_CFG_MAJOR_VERSION_of(hw->ver),
NFD_CFG_MINOR_VERSION_of(hw->ver), hw->max_mtu);
- PMD_INIT_LOG(INFO, "CAP: %#x, %s%s%s%s%s%s%s%s%s%s%s%s%s%s", hw->cap,
+ PMD_INIT_LOG(INFO, "CAP: %#x, %s%s%s%s%s%s%s%s%s%s%s%s%s%s%s", hw->cap,
hw->cap & NFP_NET_CFG_CTRL_PROMISC ? "PROMISC " : "",
hw->cap & NFP_NET_CFG_CTRL_L2BC ? "L2BCFILT " : "",
hw->cap & NFP_NET_CFG_CTRL_L2MC ? "L2MCFILT " : "",
@@ -203,6 +203,7 @@ nfp_net_log_device_information(const struct nfp_net_hw *hw)
hw->cap & NFP_NET_CFG_CTRL_TXCSUM ? "TXCSUM " : "",
hw->cap & NFP_NET_CFG_CTRL_RXVLAN ? "RXVLAN " : "",
hw->cap & NFP_NET_CFG_CTRL_TXVLAN ? "TXVLAN " : "",
+ hw->cap & NFP_NET_CFG_CTRL_RXQINQ ? "RXQINQ " : "",
hw->cap & NFP_NET_CFG_CTRL_SCATTER ? "SCATTER " : "",
hw->cap & NFP_NET_CFG_CTRL_GATHER ? "GATHER " : "",
hw->cap & NFP_NET_CFG_CTRL_LIVE_ADDR ? "LIVE_ADDR " : "",
@@ -401,6 +402,11 @@ nfp_check_offloads(struct rte_eth_dev *dev)
ctrl |= NFP_NET_CFG_CTRL_RXVLAN;
}
+ if (rxmode->offloads & RTE_ETH_RX_OFFLOAD_QINQ_STRIP) {
+ if (hw->cap & NFP_NET_CFG_CTRL_RXQINQ)
+ ctrl |= NFP_NET_CFG_CTRL_RXQINQ;
+ }
+
hw->mtu = dev->data->mtu;
if (txmode->offloads & RTE_ETH_TX_OFFLOAD_VLAN_INSERT)
@@ -751,6 +757,9 @@ nfp_net_infos_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
if (hw->cap & NFP_NET_CFG_CTRL_RXVLAN)
dev_info->rx_offload_capa = RTE_ETH_RX_OFFLOAD_VLAN_STRIP;
+ if (hw->cap & NFP_NET_CFG_CTRL_RXQINQ)
+ dev_info->rx_offload_capa |= RTE_ETH_RX_OFFLOAD_QINQ_STRIP;
+
if (hw->cap & NFP_NET_CFG_CTRL_RXCSUM)
dev_info->rx_offload_capa |= RTE_ETH_RX_OFFLOAD_IPV4_CKSUM |
RTE_ETH_RX_OFFLOAD_UDP_CKSUM |
@@ -1042,6 +1051,14 @@ nfp_net_vlan_offload_set(struct rte_eth_dev *dev, int mask)
new_ctrl &= ~NFP_NET_CFG_CTRL_RXVLAN;
}
+ /* QinQ stripping setting */
+ if (mask & RTE_ETH_QINQ_STRIP_MASK) {
+ if (dev_conf->rxmode.offloads & RTE_ETH_RX_OFFLOAD_QINQ_STRIP)
+ new_ctrl |= NFP_NET_CFG_CTRL_RXQINQ;
+ else
+ new_ctrl &= ~NFP_NET_CFG_CTRL_RXQINQ;
+ }
+
if (new_ctrl == hw->ctrl)
return 0;
@@ -93,6 +93,7 @@
#define NFP_NET_CFG_CTRL_SCATTER (0x1 << 8) /* Scatter DMA */
#define NFP_NET_CFG_CTRL_GATHER (0x1 << 9) /* Gather DMA */
#define NFP_NET_CFG_CTRL_LSO (0x1 << 10) /* LSO/TSO */
+#define NFP_NET_CFG_CTRL_RXQINQ (0x1 << 13) /* Enable QINQ strip */
#define NFP_NET_CFG_CTRL_RINGCFG (0x1 << 16) /* Ring runtime changes */
#define NFP_NET_CFG_CTRL_RSS (0x1 << 17) /* RSS */
#define NFP_NET_CFG_CTRL_IRQMOD (0x1 << 18) /* Interrupt moderation */
@@ -257,6 +257,46 @@ nfp_net_parse_meta_vlan(const struct nfp_meta_parsed *meta,
}
}
+/*
+ * nfp_net_parse_meta_qinq() - Set mbuf qinq_strip data based on metadata info
+ *
+ * The out VLAN tci are prepended to the packet data.
+ * Extract and decode it and set the mbuf fields.
+ *
+ * If both RTE_MBUF_F_RX_VLAN and NFP_NET_CFG_CTRL_RXQINQ are set, the 2 VLANs
+ * have been stripped by the hardware and their TCIs are saved in
+ * mbuf->vlan_tci (inner) and mbuf->vlan_tci_outer (outer).
+ * If NFP_NET_CFG_CTRL_RXQINQ is set and RTE_MBUF_F_RX_VLAN is unset, only the
+ * outer VLAN is removed from packet data, but both tci are saved in
+ * mbuf->vlan_tci (inner) and mbuf->vlan_tci_outer (outer).
+ *
+ * qinq set & vlan set : meta->vlan_layer>=2, meta->vlan[0].offload=1, meta->vlan[1].offload=1
+ * qinq set & vlan not set: meta->vlan_layer>=2, meta->vlan[1].offload=1,meta->vlan[0].offload=0
+ * qinq not set & vlan set: meta->vlan_layer=1, meta->vlan[0].offload=1
+ * qinq not set & vlan not set: meta->vlan_layer=0
+ */
+static void
+nfp_net_parse_meta_qinq(const struct nfp_meta_parsed *meta,
+ struct nfp_net_rxq *rxq,
+ struct rte_mbuf *mb)
+{
+ struct nfp_net_hw *hw = rxq->hw;
+
+ if ((hw->ctrl & NFP_NET_CFG_CTRL_RXQINQ) == 0 ||
+ (hw->cap & NFP_NET_CFG_CTRL_RXQINQ) == 0)
+ return;
+
+ if (meta->vlan_layer < NFP_META_MAX_VLANS)
+ return;
+
+ if (meta->vlan[0].offload == 0)
+ mb->vlan_tci = rte_cpu_to_le_16(meta->vlan[0].tci);
+ mb->vlan_tci_outer = rte_cpu_to_le_16(meta->vlan[1].tci);
+ PMD_RX_LOG(DEBUG, "Received outer vlan is %u inter vlan is %u",
+ mb->vlan_tci_outer, mb->vlan_tci);
+ mb->ol_flags |= RTE_MBUF_F_RX_QINQ | RTE_MBUF_F_RX_QINQ_STRIPPED;
+}
+
/*
* RX path design:
*
@@ -394,6 +434,7 @@ nfp_net_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts, uint16_t nb_pkts)
nfp_net_parse_meta(&meta, rxds, rxq, mb);
nfp_net_parse_meta_hash(&meta, rxds, rxq, mb);
nfp_net_parse_meta_vlan(&meta, rxds, rxq, mb);
+ nfp_net_parse_meta_qinq(&meta, rxq, mb);
/* Checking the checksum flag */
nfp_net_rx_cksum(rxq, rxds, mb);
@@ -43,8 +43,9 @@
* starts at position 0 and only @vlan_layer entries contain valid
* information.
*
- * Currently only 1 layer of vlan is supported,
+ * Currently only 2 layers of vlan are supported,
* vlan[0] - vlan strip info
+ * vlan[1] - qinq strip info
*
* @vlan.offload: Flag indicates whether VLAN is offloaded
* @vlan.tpid: Vlan TPID