Imported Upstream version 16.07-rc3

Change-Id: I321148bfa234858ba1986d109470b7aa280cd429
Signed-off-by: Ricardo Salveti <ricardo.salveti@linaro.org>
Signed-off-by: Christian Ehrhardt <christian.ehrhardt@canonical.com>

5 files changed, 46 insertions, 17 deletions

diff --git a/drivers/net/enic/enic.h b/drivers/net/enic/enic.h
index a5e2e389..4c16ef17 100644
--- a/drivers/net/enic/enic.h
+++ b/drivers/net/enic/enic.h
@@ -51,7 +51,6 @@
 
 #define DRV_NAME		"enic_pmd"
 #define DRV_DESCRIPTION		"Cisco VIC Ethernet NIC Poll-mode Driver"
-#define DRV_VERSION		"1.0.0.6"
 #define DRV_COPYRIGHT		"Copyright 2008-2015 Cisco Systems, Inc"
 
 #define ENIC_WQ_MAX		8
diff --git a/drivers/net/enic/enic_clsf.c b/drivers/net/enic/enic_clsf.c
index 3365176a..e6f57bea 100644
--- a/drivers/net/enic/enic_clsf.c
+++ b/drivers/net/enic/enic_clsf.c
@@ -218,6 +218,7 @@ int enic_fdir_add_fltr(struct enic *enic, struct rte_eth_fdir_filter *params)
 
 	pos = rte_hash_add_key(enic->fdir.hash, params);
 	if (pos < 0) {
+		enic->fdir.stats.f_add++;
 		dev_err(enic, "Add hash key failed\n");
 		return pos;
 	}
diff --git a/drivers/net/enic/enic_ethdev.c b/drivers/net/enic/enic_ethdev.c
index 3c87b49e..59082d2a 100644
--- a/drivers/net/enic/enic_ethdev.c
+++ b/drivers/net/enic/enic_ethdev.c
@@ -142,9 +142,21 @@ static int enicpmd_dev_setup_intr(struct enic *enic)
 		if (!enic->cq[index].ctrl)
 			break;
 	}
-
 	if (enic->cq_count != index)
 		return 0;
+	for (index = 0; index < enic->wq_count; index++) {
+		if (!enic->wq[index].ctrl)
+			break;
+	}
+	if (enic->wq_count != index)
+		return 0;
+	/* check start of packet (SOP) RQs only in case scatter is disabled. */
+	for (index = 0; index < enic->rq_count; index++) {
+		if (!enic->rq[enic_sop_rq(index)].ctrl)
+			break;
+	}
+	if (enic->rq_count != index)
+		return 0;
 
 	ret = enic_alloc_intr_resources(enic);
 	if (ret) {
@@ -196,7 +208,6 @@ static int enicpmd_dev_tx_queue_start(struct rte_eth_dev *eth_dev,
 	ENICPMD_FUNC_TRACE();
 
 	enic_start_wq(enic, queue_idx);
-	eth_dev->data->tx_queue_state[queue_idx] = RTE_ETH_QUEUE_STATE_STARTED;
 
 	return 0;
 }
@@ -212,8 +223,6 @@ static int enicpmd_dev_tx_queue_stop(struct rte_eth_dev *eth_dev,
 	ret = enic_stop_wq(enic, queue_idx);
 	if (ret)
 		dev_err(enic, "error in stopping wq %d\n", queue_idx);
-	else
-		eth_dev->data->tx_queue_state[queue_idx] = RTE_ETH_QUEUE_STATE_STOPPED;
 
 	return ret;
 }
@@ -226,7 +235,6 @@ static int enicpmd_dev_rx_queue_start(struct rte_eth_dev *eth_dev,
 	ENICPMD_FUNC_TRACE();
 
 	enic_start_rq(enic, queue_idx);
-	eth_dev->data->rx_queue_state[queue_idx] = RTE_ETH_QUEUE_STATE_STARTED;
 
 	return 0;
 }
@@ -242,8 +250,6 @@ static int enicpmd_dev_rx_queue_stop(struct rte_eth_dev *eth_dev,
 	ret = enic_stop_rq(enic, queue_idx);
 	if (ret)
 		dev_err(enic, "error in stopping rq %d\n", queue_idx);
-	else
-		eth_dev->data->rx_queue_state[queue_idx] = RTE_ETH_QUEUE_STATE_STOPPED;
 
 	return ret;
 }
diff --git a/drivers/net/enic/enic_main.c b/drivers/net/enic/enic_main.c
index d8669cc0..542f0952 100644
--- a/drivers/net/enic/enic_main.c
+++ b/drivers/net/enic/enic_main.c
@@ -106,7 +106,7 @@ static void enic_free_wq_buf(struct vnic_wq_buf *buf)
 {
 	struct rte_mbuf *mbuf = (struct rte_mbuf *)buf->mb;
 
-	rte_mempool_put(mbuf->pool, mbuf);
+	rte_pktmbuf_free_seg(mbuf);
 	buf->mb = NULL;
 }
 
@@ -123,6 +123,8 @@ static void enic_log_q_error(struct enic *enic)
 	}
 
 	for (i = 0; i < enic_vnic_rq_count(enic); i++) {
+		if (!enic->rq[i].in_use)
+			continue;
 		error_status = vnic_rq_error_status(&enic->rq[i]);
 		if (error_status)
 			dev_err(enic, "RQ[%d] error_status %d\n", i,
@@ -172,7 +174,8 @@ void enic_dev_stats_get(struct enic *enic, struct rte_eth_stats *r_stats)
 	 * which can make ibytes be slightly higher than it should be.
 	 */
 	rx_packet_errors = rte_atomic64_read(&soft_stats->rx_packet_errors);
-	rx_truncated = rx_packet_errors - stats->rx.rx_errors;
+	rx_truncated = rx_packet_errors - stats->rx.rx_errors -
+		stats->rx.rx_no_bufs;
 
 	r_stats->ipackets = stats->rx.rx_frames_ok - rx_truncated;
 	r_stats->opackets = stats->tx.tx_frames_ok;
@@ -518,30 +521,41 @@ void enic_free_rq(void *rxq)
 
 void enic_start_wq(struct enic *enic, uint16_t queue_idx)
 {
+	struct rte_eth_dev *eth_dev = enic->rte_dev;
 	vnic_wq_enable(&enic->wq[queue_idx]);
+	eth_dev->data->tx_queue_state[queue_idx] = RTE_ETH_QUEUE_STATE_STARTED;
 }
 
 int enic_stop_wq(struct enic *enic, uint16_t queue_idx)
 {
-	return vnic_wq_disable(&enic->wq[queue_idx]);
+	struct rte_eth_dev *eth_dev = enic->rte_dev;
+	int ret;
+
+	ret = vnic_wq_disable(&enic->wq[queue_idx]);
+	if (ret)
+		return ret;
+
+	eth_dev->data->tx_queue_state[queue_idx] = RTE_ETH_QUEUE_STATE_STOPPED;
+	return 0;
 }
 
 void enic_start_rq(struct enic *enic, uint16_t queue_idx)
 {
 	struct vnic_rq *rq_sop = &enic->rq[enic_sop_rq(queue_idx)];
 	struct vnic_rq *rq_data = &enic->rq[rq_sop->data_queue_idx];
+	struct rte_eth_dev *eth_dev = enic->rte_dev;
 
 	if (rq_data->in_use)
 		vnic_rq_enable(rq_data);
 	rte_mb();
 	vnic_rq_enable(rq_sop);
-
+	eth_dev->data->rx_queue_state[queue_idx] = RTE_ETH_QUEUE_STATE_STARTED;
 }
 
 int enic_stop_rq(struct enic *enic, uint16_t queue_idx)
 {
 	int ret1 = 0, ret2 = 0;
-
+	struct rte_eth_dev *eth_dev = enic->rte_dev;
 	struct vnic_rq *rq_sop = &enic->rq[enic_sop_rq(queue_idx)];
 	struct vnic_rq *rq_data = &enic->rq[rq_sop->data_queue_idx];
 
@@ -552,8 +566,11 @@ int enic_stop_rq(struct enic *enic, uint16_t queue_idx)
 
 	if (ret2)
 		return ret2;
-	else
+	else if (ret1)
 		return ret1;
+
+	eth_dev->data->rx_queue_state[queue_idx] = RTE_ETH_QUEUE_STATE_STOPPED;
+	return 0;
 }
 
 int enic_alloc_rq(struct enic *enic, uint16_t queue_idx,
@@ -1128,7 +1145,7 @@ int enic_probe(struct enic *enic)
 	struct rte_pci_device *pdev = enic->pdev;
 	int err = -1;
 
-	dev_debug(enic, " Initializing ENIC PMD version %s\n", DRV_VERSION);
+	dev_debug(enic, " Initializing ENIC PMD\n");
 
 	enic->bar0.vaddr = (void *)pdev->mem_resource[0].addr;
 	enic->bar0.len = pdev->mem_resource[0].len;
diff --git a/drivers/net/enic/enic_rxtx.c b/drivers/net/enic/enic_rxtx.c
index 2f4a08c5..845a8e66 100644
--- a/drivers/net/enic/enic_rxtx.c
+++ b/drivers/net/enic/enic_rxtx.c
@@ -398,7 +398,14 @@ static inline void enic_free_wq_bufs(struct vnic_wq *wq, u16 completed_index)
 	pool = ((struct rte_mbuf *)buf->mb)->pool;
 	for (i = 0; i < nb_to_free; i++) {
 		buf = &wq->bufs[tail_idx];
-		m = (struct rte_mbuf *)(buf->mb);
+		m = __rte_pktmbuf_prefree_seg((struct rte_mbuf *)(buf->mb));
+		buf->mb = NULL;
+
+		if (unlikely(m == NULL)) {
+			tail_idx = enic_ring_incr(desc_count, tail_idx);
+			continue;
+		}
+
 		if (likely(m->pool == pool)) {
 			RTE_ASSERT(nb_free < ENIC_MAX_WQ_DESCS);
 			free[nb_free++] = m;
@@ -409,7 +416,6 @@ static inline void enic_free_wq_bufs(struct vnic_wq *wq, u16 completed_index)
 			pool = m->pool;
 		}
 		tail_idx = enic_ring_incr(desc_count, tail_idx);
-		buf->mb = NULL;
 	}
 
 	rte_mempool_put_bulk(pool, (void **)free, nb_free);