X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fbnxt%2Fbnxt_txr.c;h=20683315ed8631f7e32edb315a1d1f99e0a83717;hb=25ae7f1a5d9d127a46f8d62d1d689f77a78138fd;hp=16598ba637fb57c1fe4311e747450cbf1fb1aea6;hpb=355b482e127a82bed9969420bd6df56fff161e29;p=dpdk.git

diff --git a/drivers/net/bnxt/bnxt_txr.c b/drivers/net/bnxt/bnxt_txr.c
index 16598ba637..20683315ed 100644
--- a/drivers/net/bnxt/bnxt_txr.c
+++ b/drivers/net/bnxt/bnxt_txr.c
@@ -9,7 +9,6 @@
 #include <rte_malloc.h>
 
 #include "bnxt.h"
-#include "bnxt_cpr.h"
 #include "bnxt_ring.h"
 #include "bnxt_txq.h"
 #include "bnxt_txr.h"
@@ -79,6 +78,7 @@ int bnxt_init_tx_ring_struct(struct bnxt_tx_queue *txq, unsigned int socket_id)
 	ring->bd_dma = txr->tx_desc_mapping;
 	ring->vmem_size = ring->ring_size * sizeof(struct bnxt_sw_tx_bd);
 	ring->vmem = (void **)&txr->tx_buf_ring;
+	ring->fw_ring_id = INVALID_HW_RING_ID;
 
 	cpr = rte_zmalloc_socket("bnxt_tx_ring",
 				 sizeof(struct bnxt_cp_ring_info),
@@ -99,6 +99,7 @@ int bnxt_init_tx_ring_struct(struct bnxt_tx_queue *txq, unsigned int socket_id)
 	ring->bd_dma = cpr->cp_desc_mapping;
 	ring->vmem_size = 0;
 	ring->vmem = NULL;
+	ring->fw_ring_id = INVALID_HW_RING_ID;
 
 	return 0;
 }
@@ -109,9 +110,10 @@ static uint16_t bnxt_start_xmit(struct rte_mbuf *tx_pkt,
 				struct tx_bd_long **last_txbd)
 {
 	struct bnxt_tx_ring_info *txr = txq->tx_ring;
+	uint32_t outer_tpid_bd = 0;
 	struct tx_bd_long *txbd;
 	struct tx_bd_long_hi *txbd1 = NULL;
-	uint32_t vlan_tag_flags, cfa_action;
+	uint32_t vlan_tag_flags;
 	bool long_bd = false;
 	unsigned short nr_bds = 0;
 	struct rte_mbuf *m_seg;
@@ -123,11 +125,17 @@ static uint16_t bnxt_start_xmit(struct rte_mbuf *tx_pkt,
 		TX_BD_LONG_FLAGS_LHINT_LT2K
 	};
 
+	if (unlikely(is_bnxt_in_error(txq->bp)))
+		return -EIO;
+
 	if (tx_pkt->ol_flags & (PKT_TX_TCP_SEG | PKT_TX_TCP_CKSUM |
 				PKT_TX_UDP_CKSUM | PKT_TX_IP_CKSUM |
 				PKT_TX_VLAN_PKT | PKT_TX_OUTER_IP_CKSUM |
 				PKT_TX_TUNNEL_GRE | PKT_TX_TUNNEL_VXLAN |
-				PKT_TX_TUNNEL_GENEVE))
+				PKT_TX_TUNNEL_GENEVE | PKT_TX_IEEE1588_TMST |
+				PKT_TX_QINQ_PKT) ||
+	     (BNXT_TRUFLOW_EN(txq->bp) &&
+	      (txq->bp->tx_cfa_action || txq->vfr_tx_cfa_action)))
 		long_bd = true;
 
 	nr_bds = long_bd + tx_pkt->nb_segs;
@@ -180,8 +188,15 @@ static uint16_t bnxt_start_xmit(struct rte_mbuf *tx_pkt,
 	if (long_bd) {
 		txbd->flags_type |= TX_BD_LONG_TYPE_TX_BD_LONG;
 		vlan_tag_flags = 0;
-		cfa_action = 0;
-		if (tx_buf->mbuf->ol_flags & PKT_TX_VLAN_PKT) {
+
+		/* HW can accelerate only outer vlan in QinQ mode */
+		if (tx_buf->mbuf->ol_flags & PKT_TX_QINQ_PKT) {
+			vlan_tag_flags = TX_BD_LONG_CFA_META_KEY_VLAN_TAG |
+				tx_buf->mbuf->vlan_tci_outer;
+			outer_tpid_bd = txq->bp->outer_tpid_bd &
+				BNXT_OUTER_TPID_BD_MASK;
+			vlan_tag_flags |= outer_tpid_bd;
+		} else if (tx_buf->mbuf->ol_flags & PKT_TX_VLAN_PKT) {
 			/* shurd: Should this mask at
 			 * TX_BD_LONG_CFA_META_VLAN_VID_MASK?
 			 */
@@ -201,7 +216,11 @@ static uint16_t bnxt_start_xmit(struct rte_mbuf *tx_pkt,
 					&txr->tx_desc_ring[txr->tx_prod];
 		txbd1->lflags = 0;
 		txbd1->cfa_meta = vlan_tag_flags;
-		txbd1->cfa_action = cfa_action;
+
+		if (txq->vfr_tx_cfa_action)
+			txbd1->cfa_action = txq->vfr_tx_cfa_action;
+		else
+			txbd1->cfa_action = txq->bp->tx_cfa_action;
 
 		if (tx_pkt->ol_flags & PKT_TX_TCP_SEG) {
 			uint16_t hdr_size;
@@ -210,8 +229,10 @@ static uint16_t bnxt_start_xmit(struct rte_mbuf *tx_pkt,
 			txbd1->lflags |= TX_BD_LONG_LFLAGS_LSO |
 					 TX_BD_LONG_LFLAGS_T_IPID;
 			hdr_size = tx_pkt->l2_len + tx_pkt->l3_len +
-					tx_pkt->l4_len + tx_pkt->outer_l2_len +
-					tx_pkt->outer_l3_len;
+					tx_pkt->l4_len;
+			hdr_size += (tx_pkt->ol_flags & PKT_TX_TUNNEL_MASK) ?
+				    tx_pkt->outer_l2_len +
+				    tx_pkt->outer_l3_len : 0;
 			/* The hdr_size is multiple of 16bit units not 8bit.
 			 * Hence divide by 2.
 			 */
@@ -294,6 +315,11 @@ static uint16_t bnxt_start_xmit(struct rte_mbuf *tx_pkt,
 			/* IP CSO */
 			txbd1->lflags |= TX_BD_LONG_LFLAGS_T_IP_CHKSUM;
 			txbd1->mss = 0;
+		} else if ((tx_pkt->ol_flags & PKT_TX_IEEE1588_TMST) ==
+			   PKT_TX_IEEE1588_TMST) {
+			/* PTP */
+			txbd1->lflags |= TX_BD_LONG_LFLAGS_STAMP;
+			txbd1->mss = 0;
 		}
 	} else {
 		txbd->flags_type |= TX_BD_SHORT_TYPE_TX_BD_SHORT;
@@ -415,7 +441,7 @@ static int bnxt_handle_tx_cp(struct bnxt_tx_queue *txq)
 	if (nb_tx_pkts) {
 		bnxt_tx_cmp(txq, nb_tx_pkts);
 		cpr->cp_raw_cons = raw_cons;
-		B_CP_DB(cpr, cpr->cp_raw_cons, ring_mask);
+		bnxt_db_cq(cpr);
 	}
 
 	return nb_tx_pkts;
@@ -434,7 +460,7 @@ uint16_t bnxt_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts,
 	bnxt_handle_tx_cp(txq);
 
 	/* Tx queue was stopped; wait for it to be restarted */
-	if (txq->tx_deferred_start) {
+	if (unlikely(!txq->tx_started)) {
 		PMD_DRV_LOG(DEBUG, "Tx q stopped;return\n");
 		return 0;
 	}
@@ -452,19 +478,38 @@ uint16_t bnxt_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts,
 	if (likely(nb_tx_pkts)) {
 		/* Request a completion on the last packet */
 		last_txbd->flags_type &= ~TX_BD_LONG_FLAGS_NO_CMPL;
-		B_TX_DB(txq->tx_ring->tx_doorbell, txq->tx_ring->tx_prod);
+		bnxt_db_write(&txq->tx_ring->tx_db, txq->tx_ring->tx_prod);
 	}
 
 	return nb_tx_pkts;
 }
 
+/*
+ * Dummy DPDK callback for TX.
+ *
+ * This function is used to temporarily replace the real callback during
+ * unsafe control operations on the queue, or in case of error.
+ */
+uint16_t
+bnxt_dummy_xmit_pkts(void *tx_queue __rte_unused,
+		     struct rte_mbuf **tx_pkts __rte_unused,
+		     uint16_t nb_pkts __rte_unused)
+{
+	return 0;
+}
+
 int bnxt_tx_queue_start(struct rte_eth_dev *dev, uint16_t tx_queue_id)
 {
-	struct bnxt *bp = (struct bnxt *)dev->data->dev_private;
+	struct bnxt *bp = dev->data->dev_private;
 	struct bnxt_tx_queue *txq = bp->tx_queues[tx_queue_id];
+	int rc = 0;
+
+	rc = is_bnxt_in_error(bp);
+	if (rc)
+		return rc;
 
 	dev->data->tx_queue_state[tx_queue_id] = RTE_ETH_QUEUE_STATE_STARTED;
-	txq->tx_deferred_start = false;
+	txq->tx_started = true;
 	PMD_DRV_LOG(DEBUG, "Tx queue started\n");
 
 	return 0;
@@ -472,14 +517,19 @@ int bnxt_tx_queue_start(struct rte_eth_dev *dev, uint16_t tx_queue_id)
 
 int bnxt_tx_queue_stop(struct rte_eth_dev *dev, uint16_t tx_queue_id)
 {
-	struct bnxt *bp = (struct bnxt *)dev->data->dev_private;
+	struct bnxt *bp = dev->data->dev_private;
 	struct bnxt_tx_queue *txq = bp->tx_queues[tx_queue_id];
+	int rc = 0;
+
+	rc = is_bnxt_in_error(bp);
+	if (rc)
+		return rc;
 
 	/* Handle TX completions */
 	bnxt_handle_tx_cp(txq);
 
 	dev->data->tx_queue_state[tx_queue_id] = RTE_ETH_QUEUE_STATE_STOPPED;
-	txq->tx_deferred_start = true;
+	txq->tx_started = false;
 	PMD_DRV_LOG(DEBUG, "Tx queue stopped\n");
 
 	return 0;