New upstream version 17.11-rc3

Change-Id: I6a5baa40612fe0c20f30b5fa773a6cbbac63a685
Signed-off-by: Luca Boccassi <luca.boccassi@gmail.com>

1 files changed, 28 insertions, 382 deletions

diff --git a/drivers/net/mlx5/mlx5_mac.c b/drivers/net/mlx5/mlx5_mac.c
index 8489ea67..d17b991e 100644
--- a/drivers/net/mlx5/mlx5_mac.c
+++ b/drivers/net/mlx5/mlx5_mac.c
@@ -51,16 +51,9 @@
 #pragma GCC diagnostic error "-Wpedantic"
 #endif
 
-/* DPDK headers don't like -pedantic. */
-#ifdef PEDANTIC
-#pragma GCC diagnostic ignored "-Wpedantic"
-#endif
 #include <rte_ether.h>
 #include <rte_ethdev.h>
 #include <rte_common.h>
-#ifdef PEDANTIC
-#pragma GCC diagnostic error "-Wpedantic"
-#endif
 
 #include "mlx5.h"
 #include "mlx5_utils.h"
@@ -90,112 +83,6 @@ priv_get_mac(struct priv *priv, uint8_t (*mac)[ETHER_ADDR_LEN])
 }
 
 /**
- * Delete MAC flow steering rule.
- *
- * @param hash_rxq
- *   Pointer to hash RX queue structure.
- * @param mac_index
- *   MAC address index.
- * @param vlan_index
- *   VLAN index to use.
- */
-static void
-hash_rxq_del_mac_flow(struct hash_rxq *hash_rxq, unsigned int mac_index,
-		      unsigned int vlan_index)
-{
-#ifndef NDEBUG
-	const uint8_t (*mac)[ETHER_ADDR_LEN] =
-		(const uint8_t (*)[ETHER_ADDR_LEN])
-		hash_rxq->priv->mac[mac_index].addr_bytes;
-#endif
-
-	assert(mac_index < RTE_DIM(hash_rxq->mac_flow));
-	assert(vlan_index < RTE_DIM(hash_rxq->mac_flow[mac_index]));
-	if (hash_rxq->mac_flow[mac_index][vlan_index] == NULL)
-		return;
-	DEBUG("%p: removing MAC address %02x:%02x:%02x:%02x:%02x:%02x index %u"
-	      " VLAN index %u",
-	      (void *)hash_rxq,
-	      (*mac)[0], (*mac)[1], (*mac)[2], (*mac)[3], (*mac)[4], (*mac)[5],
-	      mac_index,
-	      vlan_index);
-	claim_zero(ibv_exp_destroy_flow(hash_rxq->mac_flow
-					[mac_index][vlan_index]));
-	hash_rxq->mac_flow[mac_index][vlan_index] = NULL;
-}
-
-/**
- * Unregister a MAC address from a hash RX queue.
- *
- * @param hash_rxq
- *   Pointer to hash RX queue structure.
- * @param mac_index
- *   MAC address index.
- */
-static void
-hash_rxq_mac_addr_del(struct hash_rxq *hash_rxq, unsigned int mac_index)
-{
-	unsigned int i;
-
-	assert(mac_index < RTE_DIM(hash_rxq->mac_flow));
-	for (i = 0; (i != RTE_DIM(hash_rxq->mac_flow[mac_index])); ++i)
-		hash_rxq_del_mac_flow(hash_rxq, mac_index, i);
-}
-
-/**
- * Unregister all MAC addresses from a hash RX queue.
- *
- * @param hash_rxq
- *   Pointer to hash RX queue structure.
- */
-void
-hash_rxq_mac_addrs_del(struct hash_rxq *hash_rxq)
-{
-	unsigned int i;
-
-	for (i = 0; (i != RTE_DIM(hash_rxq->mac_flow)); ++i)
-		hash_rxq_mac_addr_del(hash_rxq, i);
-}
-
-/**
- * Unregister a MAC address.
- *
- * This is done for each hash RX queue.
- *
- * @param priv
- *   Pointer to private structure.
- * @param mac_index
- *   MAC address index.
- */
-static void
-priv_mac_addr_del(struct priv *priv, unsigned int mac_index)
-{
-	unsigned int i;
-
-	assert(mac_index < RTE_DIM(priv->mac));
-	if (!BITFIELD_ISSET(priv->mac_configured, mac_index))
-		return;
-	for (i = 0; (i != priv->hash_rxqs_n); ++i)
-		hash_rxq_mac_addr_del(&(*priv->hash_rxqs)[i], mac_index);
-	BITFIELD_RESET(priv->mac_configured, mac_index);
-}
-
-/**
- * Unregister all MAC addresses from all hash RX queues.
- *
- * @param priv
- *   Pointer to private structure.
- */
-void
-priv_mac_addrs_disable(struct priv *priv)
-{
-	unsigned int i;
-
-	for (i = 0; (i != priv->hash_rxqs_n); ++i)
-		hash_rxq_mac_addrs_del(&(*priv->hash_rxqs)[i]);
-}
-
-/**
  * DPDK callback to remove a MAC address.
  *
  * @param dev
@@ -206,258 +93,12 @@ priv_mac_addrs_disable(struct priv *priv)
 void
 mlx5_mac_addr_remove(struct rte_eth_dev *dev, uint32_t index)
 {
-	struct priv *priv = dev->data->dev_private;
-
 	if (mlx5_is_secondary())
 		return;
-
-	priv_lock(priv);
-	DEBUG("%p: removing MAC address from index %" PRIu32,
-	      (void *)dev, index);
-	if (index >= RTE_DIM(priv->mac))
-		goto end;
-	priv_mac_addr_del(priv, index);
-end:
-	priv_unlock(priv);
-}
-
-/**
- * Add MAC flow steering rule.
- *
- * @param hash_rxq
- *   Pointer to hash RX queue structure.
- * @param mac_index
- *   MAC address index to register.
- * @param vlan_index
- *   VLAN index to use.
- *
- * @return
- *   0 on success, errno value on failure.
- */
-static int
-hash_rxq_add_mac_flow(struct hash_rxq *hash_rxq, unsigned int mac_index,
-		      unsigned int vlan_index)
-{
-	struct ibv_exp_flow *flow;
-	struct priv *priv = hash_rxq->priv;
-	const uint8_t (*mac)[ETHER_ADDR_LEN] =
-			(const uint8_t (*)[ETHER_ADDR_LEN])
-			priv->mac[mac_index].addr_bytes;
-	FLOW_ATTR_SPEC_ETH(data, priv_flow_attr(priv, NULL, 0, hash_rxq->type));
-	struct ibv_exp_flow_attr *attr = &data->attr;
-	struct ibv_exp_flow_spec_eth *spec = &data->spec;
-	unsigned int vlan_enabled = !!priv->vlan_filter_n;
-	unsigned int vlan_id = priv->vlan_filter[vlan_index];
-
-	assert(mac_index < RTE_DIM(hash_rxq->mac_flow));
-	assert(vlan_index < RTE_DIM(hash_rxq->mac_flow[mac_index]));
-	if (hash_rxq->mac_flow[mac_index][vlan_index] != NULL)
-		return 0;
-	/*
-	 * No padding must be inserted by the compiler between attr and spec.
-	 * This layout is expected by libibverbs.
-	 */
-	assert(((uint8_t *)attr + sizeof(*attr)) == (uint8_t *)spec);
-	priv_flow_attr(priv, attr, sizeof(data), hash_rxq->type);
-	/* The first specification must be Ethernet. */
-	assert(spec->type == IBV_EXP_FLOW_SPEC_ETH);
-	assert(spec->size == sizeof(*spec));
-	*spec = (struct ibv_exp_flow_spec_eth){
-		.type = IBV_EXP_FLOW_SPEC_ETH,
-		.size = sizeof(*spec),
-		.val = {
-			.dst_mac = {
-				(*mac)[0], (*mac)[1], (*mac)[2],
-				(*mac)[3], (*mac)[4], (*mac)[5]
-			},
-			.vlan_tag = (vlan_enabled ? htons(vlan_id) : 0),
-		},
-		.mask = {
-			.dst_mac = "\xff\xff\xff\xff\xff\xff",
-			.vlan_tag = (vlan_enabled ? htons(0xfff) : 0),
-		},
-	};
-	DEBUG("%p: adding MAC address %02x:%02x:%02x:%02x:%02x:%02x index %u"
-	      " VLAN index %u filtering %s, ID %u",
-	      (void *)hash_rxq,
-	      (*mac)[0], (*mac)[1], (*mac)[2], (*mac)[3], (*mac)[4], (*mac)[5],
-	      mac_index,
-	      vlan_index,
-	      (vlan_enabled ? "enabled" : "disabled"),
-	      vlan_id);
-	/* Create related flow. */
-	errno = 0;
-	flow = ibv_exp_create_flow(hash_rxq->qp, attr);
-	if (flow == NULL) {
-		/* It's not clear whether errno is always set in this case. */
-		ERROR("%p: flow configuration failed, errno=%d: %s",
-		      (void *)hash_rxq, errno,
-		      (errno ? strerror(errno) : "Unknown error"));
-		if (errno)
-			return errno;
-		return EINVAL;
-	}
-	hash_rxq->mac_flow[mac_index][vlan_index] = flow;
-	return 0;
-}
-
-/**
- * Register a MAC address in a hash RX queue.
- *
- * @param hash_rxq
- *   Pointer to hash RX queue structure.
- * @param mac_index
- *   MAC address index to register.
- *
- * @return
- *   0 on success, errno value on failure.
- */
-static int
-hash_rxq_mac_addr_add(struct hash_rxq *hash_rxq, unsigned int mac_index)
-{
-	struct priv *priv = hash_rxq->priv;
-	unsigned int i = 0;
-	int ret;
-
-	assert(mac_index < RTE_DIM(hash_rxq->mac_flow));
-	assert(RTE_DIM(hash_rxq->mac_flow[mac_index]) ==
-	       RTE_DIM(priv->vlan_filter));
-	/* Add a MAC address for each VLAN filter, or at least once. */
-	do {
-		ret = hash_rxq_add_mac_flow(hash_rxq, mac_index, i);
-		if (ret) {
-			/* Failure, rollback. */
-			while (i != 0)
-				hash_rxq_del_mac_flow(hash_rxq, mac_index,
-						      --i);
-			return ret;
-		}
-	} while (++i < priv->vlan_filter_n);
-	return 0;
-}
-
-/**
- * Register all MAC addresses in a hash RX queue.
- *
- * @param hash_rxq
- *   Pointer to hash RX queue structure.
- *
- * @return
- *   0 on success, errno value on failure.
- */
-int
-hash_rxq_mac_addrs_add(struct hash_rxq *hash_rxq)
-{
-	struct priv *priv = hash_rxq->priv;
-	unsigned int i;
-	int ret;
-
-	assert(RTE_DIM(priv->mac) == RTE_DIM(hash_rxq->mac_flow));
-	for (i = 0; (i != RTE_DIM(priv->mac)); ++i) {
-		if (!BITFIELD_ISSET(priv->mac_configured, i))
-			continue;
-		ret = hash_rxq_mac_addr_add(hash_rxq, i);
-		if (!ret)
-			continue;
-		/* Failure, rollback. */
-		while (i != 0)
-			hash_rxq_mac_addr_del(hash_rxq, --i);
-		assert(ret > 0);
-		return ret;
-	}
-	return 0;
-}
-
-/**
- * Register a MAC address.
- *
- * This is done for each hash RX queue.
- *
- * @param priv
- *   Pointer to private structure.
- * @param mac_index
- *   MAC address index to use.
- * @param mac
- *   MAC address to register.
- *
- * @return
- *   0 on success, errno value on failure.
- */
-int
-priv_mac_addr_add(struct priv *priv, unsigned int mac_index,
-		  const uint8_t (*mac)[ETHER_ADDR_LEN])
-{
-	unsigned int i;
-	int ret;
-
-	assert(mac_index < RTE_DIM(priv->mac));
-	/* First, make sure this address isn't already configured. */
-	for (i = 0; (i != RTE_DIM(priv->mac)); ++i) {
-		/* Skip this index, it's going to be reconfigured. */
-		if (i == mac_index)
-			continue;
-		if (!BITFIELD_ISSET(priv->mac_configured, i))
-			continue;
-		if (memcmp(priv->mac[i].addr_bytes, *mac, sizeof(*mac)))
-			continue;
-		/* Address already configured elsewhere, return with error. */
-		return EADDRINUSE;
-	}
-	if (BITFIELD_ISSET(priv->mac_configured, mac_index))
-		priv_mac_addr_del(priv, mac_index);
-	priv->mac[mac_index] = (struct ether_addr){
-		{
-			(*mac)[0], (*mac)[1], (*mac)[2],
-			(*mac)[3], (*mac)[4], (*mac)[5]
-		}
-	};
-	if (!priv_allow_flow_type(priv, HASH_RXQ_FLOW_TYPE_MAC))
-		goto end;
-	for (i = 0; (i != priv->hash_rxqs_n); ++i) {
-		ret = hash_rxq_mac_addr_add(&(*priv->hash_rxqs)[i], mac_index);
-		if (!ret)
-			continue;
-		/* Failure, rollback. */
-		while (i != 0)
-			hash_rxq_mac_addr_del(&(*priv->hash_rxqs)[--i],
-					      mac_index);
-		return ret;
-	}
-end:
-	BITFIELD_SET(priv->mac_configured, mac_index);
-	return 0;
-}
-
-/**
- * Register all MAC addresses in all hash RX queues.
- *
- * @param priv
- *   Pointer to private structure.
- *
- * @return
- *   0 on success, errno value on failure.
- */
-int
-priv_mac_addrs_enable(struct priv *priv)
-{
-	unsigned int i;
-	int ret;
-
-	if (priv->isolated)
-		return 0;
-	if (!priv_allow_flow_type(priv, HASH_RXQ_FLOW_TYPE_MAC))
-		return 0;
-	for (i = 0; (i != priv->hash_rxqs_n); ++i) {
-		ret = hash_rxq_mac_addrs_add(&(*priv->hash_rxqs)[i]);
-		if (!ret)
-			continue;
-		/* Failure, rollback. */
-		while (i != 0)
-			hash_rxq_mac_addrs_del(&(*priv->hash_rxqs)[--i]);
-		assert(ret > 0);
-		return ret;
-	}
-	return 0;
+	assert(index < MLX5_MAX_MAC_ADDRESSES);
+	memset(&dev->data->mac_addrs[index], 0, sizeof(struct ether_addr));
+	if (!dev->data->promiscuous && !dev->data->all_multicast)
+		mlx5_traffic_restart(dev);
 }
 
 /**
@@ -471,31 +112,35 @@ priv_mac_addrs_enable(struct priv *priv)
  *   MAC address index.
  * @param vmdq
  *   VMDq pool index to associate address with (ignored).
+ *
+ * @return
+ *   0 on success.
  */
 int
-mlx5_mac_addr_add(struct rte_eth_dev *dev, struct ether_addr *mac_addr,
+mlx5_mac_addr_add(struct rte_eth_dev *dev, struct ether_addr *mac,
 		  uint32_t index, uint32_t vmdq)
 {
-	struct priv *priv = dev->data->dev_private;
-	int re;
-
-	if (mlx5_is_secondary())
-		return -ENOTSUP;
+	unsigned int i;
+	int ret = 0;
 
 	(void)vmdq;
-	priv_lock(priv);
-	DEBUG("%p: adding MAC address at index %" PRIu32,
-	      (void *)dev, index);
-	if (index >= RTE_DIM(priv->mac)) {
-		re = EINVAL;
-		goto end;
+	if (mlx5_is_secondary())
+		return 0;
+	assert(index < MLX5_MAX_MAC_ADDRESSES);
+	/* First, make sure this address isn't already configured. */
+	for (i = 0; (i != MLX5_MAX_MAC_ADDRESSES); ++i) {
+		/* Skip this index, it's going to be reconfigured. */
+		if (i == index)
+			continue;
+		if (memcmp(&dev->data->mac_addrs[i], mac, sizeof(*mac)))
+			continue;
+		/* Address already configured elsewhere, return with error. */
+		return EADDRINUSE;
 	}
-	re = priv_mac_addr_add(priv, index,
-			       (const uint8_t (*)[ETHER_ADDR_LEN])
-			       mac_addr->addr_bytes);
-end:
-	priv_unlock(priv);
-	return -re;
+	dev->data->mac_addrs[index] = *mac;
+	if (!dev->data->promiscuous && !dev->data->all_multicast)
+		mlx5_traffic_restart(dev);
+	return ret;
 }
 
 /**
@@ -509,7 +154,8 @@ end:
 void
 mlx5_mac_addr_set(struct rte_eth_dev *dev, struct ether_addr *mac_addr)
 {
+	if (mlx5_is_secondary())
+		return;
 	DEBUG("%p: setting primary MAC address", (void *)dev);
-	mlx5_mac_addr_remove(dev, 0);
 	mlx5_mac_addr_add(dev, mac_addr, 0, 0);
 }