X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fenic%2Fenic_main.c;h=6b76839148b3d6c4079e1c24e43b212f9d036b2c;hb=6d13ea8e8e49ab957deae2bba5ecf4a4bfe747d1;hp=ea6cddbd3972d79b7f6c2f4778dce0fc1b8f09f1;hpb=86df6c4e2fce1e995faa7e30f445ecbcb6934ef4;p=dpdk.git

diff --git a/drivers/net/enic/enic_main.c b/drivers/net/enic/enic_main.c
index ea6cddbd39..6b76839148 100644
--- a/drivers/net/enic/enic_main.c
+++ b/drivers/net/enic/enic_main.c
@@ -8,7 +8,6 @@
 #include <sys/stat.h>
 #include <sys/mman.h>
 #include <fcntl.h>
-#include <libgen.h>
 
 #include <rte_pci.h>
 #include <rte_bus_pci.h>
@@ -514,12 +513,29 @@ static void enic_prep_wq_for_simple_tx(struct enic *enic, uint16_t queue_idx)
 	}
 }
 
+/*
+ * The 'strong' version is in enic_rxtx_vec_avx2.c. This weak version is used
+ * used when that file is not compiled.
+ */
+__rte_weak bool
+enic_use_vector_rx_handler(__rte_unused struct enic *enic)
+{
+	return false;
+}
+
 static void pick_rx_handler(struct enic *enic)
 {
 	struct rte_eth_dev *eth_dev;
 
-	/* Use the non-scatter, simplified RX handler if possible. */
+	/*
+	 * Preference order:
+	 * 1. The vectorized handler if possible and requested.
+	 * 2. The non-scatter, simplified handler if scatter Rx is not used.
+	 * 3. The default handler as a fallback.
+	 */
 	eth_dev = enic->rte_dev;
+	if (enic_use_vector_rx_handler(enic))
+		return;
 	if (enic->rq_count > 0 && enic->rq[0].data_queue_enable == 0) {
 		PMD_INIT_LOG(DEBUG, " use the non-scatter Rx handler");
 		eth_dev->rx_pkt_burst = &enic_noscatter_recv_pkts;
@@ -535,6 +551,24 @@ int enic_enable(struct enic *enic)
 	int err;
 	struct rte_eth_dev *eth_dev = enic->rte_dev;
 	uint64_t simple_tx_offloads;
+	uintptr_t p;
+
+	if (enic->enable_avx2_rx) {
+		struct rte_mbuf mb_def = { .buf_addr = 0 };
+
+		/*
+		 * mbuf_initializer contains const-after-init fields of
+		 * receive mbufs (i.e. 64 bits of fields from rearm_data).
+		 * It is currently used by the vectorized handler.
+		 */
+		mb_def.nb_segs = 1;
+		mb_def.data_off = RTE_PKTMBUF_HEADROOM;
+		mb_def.port = enic->port_id;
+		rte_mbuf_refcnt_set(&mb_def, 1);
+		rte_compiler_barrier();
+		p = (uintptr_t)&mb_def.rearm_data;
+		enic->mbuf_initializer = *(uint64_t *)p;
+	}
 
 	eth_dev->data->dev_link.link_speed = vnic_dev_port_speed(enic->vdev);
 	eth_dev->data->dev_link.link_duplex = ETH_LINK_FULL_DUPLEX;
@@ -1344,12 +1378,10 @@ int enic_get_link_status(struct enic *enic)
 
 static void enic_dev_deinit(struct enic *enic)
 {
-	struct rte_eth_dev *eth_dev = enic->rte_dev;
-
 	/* stop link status checking */
 	vnic_dev_notify_unset(enic->vdev);
 
-	rte_free(eth_dev->data->mac_addrs);
+	/* mac_addrs is freed by rte_eth_dev_release_port() */
 	rte_free(enic->cq);
 	rte_free(enic->intr);
 	rte_free(enic->rq);
@@ -1634,13 +1666,14 @@ static int enic_dev_init(struct enic *enic)
 	/* Get the supported filters */
 	enic_fdir_info(enic);
 
-	eth_dev->data->mac_addrs = rte_zmalloc("enic_mac_addr", ETH_ALEN
-						* ENIC_MAX_MAC_ADDR, 0);
+	eth_dev->data->mac_addrs = rte_zmalloc("enic_mac_addr",
+					sizeof(struct rte_ether_addr) *
+					ENIC_UNICAST_PERFECT_FILTERS, 0);
 	if (!eth_dev->data->mac_addrs) {
 		dev_err(enic, "mac addr storage alloc failed, aborting.\n");
 		return -1;
 	}
-	ether_addr_copy((struct ether_addr *) enic->mac_addr,
+	ether_addr_copy((struct rte_ether_addr *)enic->mac_addr,
 			eth_dev->data->mac_addrs);
 
 	vnic_dev_set_reset_flag(enic->vdev, 0);
@@ -1675,16 +1708,21 @@ static int enic_dev_init(struct enic *enic)
 			DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM |
 			DEV_TX_OFFLOAD_GENEVE_TNL_TSO |
 			DEV_TX_OFFLOAD_VXLAN_TNL_TSO;
-		/*
-		 * Do not add PKT_TX_OUTER_{IPV4,IPV6} as they are not
-		 * 'offload' flags (i.e. not part of PKT_TX_OFFLOAD_MASK).
-		 */
 		enic->tx_offload_mask |=
+			PKT_TX_OUTER_IPV6 |
+			PKT_TX_OUTER_IPV4 |
 			PKT_TX_OUTER_IP_CKSUM |
 			PKT_TX_TUNNEL_MASK;
 		enic->overlay_offload = true;
-		enic->vxlan_port = ENIC_DEFAULT_VXLAN_PORT;
 		dev_info(enic, "Overlay offload is enabled\n");
+	}
+	/*
+	 * Reset the vxlan port if HW vxlan parsing is available. It
+	 * is always enabled regardless of overlay offload
+	 * enable/disable.
+	 */
+	if (enic->vxlan) {
+		enic->vxlan_port = ENIC_DEFAULT_VXLAN_PORT;
 		/*
 		 * Reset the vxlan port to the default, as the NIC firmware
 		 * does not reset it automatically and keeps the old setting.
@@ -1731,7 +1769,7 @@ int enic_probe(struct enic *enic)
 
 	/*
 	 * Allocate the consistent memory for stats and counters upfront so
-	 * both primary and secondary processes can dump stats.
+	 * both primary and secondary processes can access them.
 	 */
 	err = vnic_dev_alloc_stats_mem(enic->vdev);
 	if (err) {