X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fe1000%2Figb_rxtx.c;h=1bb4d851190947ec12178132ff8f421d1158908d;hb=0ef850c4f6a506370cc448a7631f4de966a2f991;hp=18aeead0fab3292a1904af67c0fe5dd3040c8b99;hpb=fbfd99551ca370266f4bfff58ce441cf5cb1203a;p=dpdk.git

diff --git a/drivers/net/e1000/igb_rxtx.c b/drivers/net/e1000/igb_rxtx.c
index 18aeead0fa..1bb4d85119 100644
--- a/drivers/net/e1000/igb_rxtx.c
+++ b/drivers/net/e1000/igb_rxtx.c
@@ -1,7 +1,7 @@
 /*-
  *   BSD LICENSE
  *
- *   Copyright(c) 2010-2015 Intel Corporation. All rights reserved.
+ *   Copyright(c) 2010-2016 Intel Corporation. All rights reserved.
  *   All rights reserved.
  *
  *   Redistribution and use in source and binary forms, with or without
@@ -56,7 +56,6 @@
 #include <rte_lcore.h>
 #include <rte_atomic.h>
 #include <rte_branch_prediction.h>
-#include <rte_ring.h>
 #include <rte_mempool.h>
 #include <rte_malloc.h>
 #include <rte_mbuf.h>
@@ -66,18 +65,28 @@
 #include <rte_udp.h>
 #include <rte_tcp.h>
 #include <rte_sctp.h>
+#include <rte_net.h>
 #include <rte_string_fns.h>
 
 #include "e1000_logs.h"
 #include "base/e1000_api.h"
 #include "e1000_ethdev.h"
 
+#ifdef RTE_LIBRTE_IEEE1588
+#define IGB_TX_IEEE1588_TMST PKT_TX_IEEE1588_TMST
+#else
+#define IGB_TX_IEEE1588_TMST 0
+#endif
 /* Bit Mask to indicate what bits required for building TX context */
 #define IGB_TX_OFFLOAD_MASK (			 \
 		PKT_TX_VLAN_PKT |		 \
 		PKT_TX_IP_CKSUM |		 \
 		PKT_TX_L4_MASK |		 \
-		PKT_TX_TCP_SEG)
+		PKT_TX_TCP_SEG |		 \
+		IGB_TX_IEEE1588_TMST)
+
+#define IGB_TX_OFFLOAD_NOTSUP_MASK \
+		(PKT_TX_OFFLOAD_MASK ^ IGB_TX_OFFLOAD_MASK)
 
 /**
  * Structure associated with each descriptor of the RX ring of a RX queue.
@@ -606,7 +615,7 @@ eth_igb_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts,
 	/*
 	 * Set the Transmit Descriptor Tail (TDT).
 	 */
-	E1000_PCI_REG_WRITE(txq->tdt_reg_addr, tx_id);
+	E1000_PCI_REG_WRITE_RELAXED(txq->tdt_reg_addr, tx_id);
 	PMD_TX_LOG(DEBUG, "port_id=%u queue_id=%u tx_tail=%u nb_tx=%u",
 		   (unsigned) txq->port_id, (unsigned) txq->queue_id,
 		   (unsigned) tx_id, (unsigned) nb_tx);
@@ -615,6 +624,52 @@ eth_igb_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts,
 	return nb_tx;
 }
 
+/*********************************************************************
+ *
+ *  TX prep functions
+ *
+ **********************************************************************/
+uint16_t
+eth_igb_prep_pkts(__rte_unused void *tx_queue, struct rte_mbuf **tx_pkts,
+		uint16_t nb_pkts)
+{
+	int i, ret;
+	struct rte_mbuf *m;
+
+	for (i = 0; i < nb_pkts; i++) {
+		m = tx_pkts[i];
+
+		/* Check some limitations for TSO in hardware */
+		if (m->ol_flags & PKT_TX_TCP_SEG)
+			if ((m->tso_segsz > IGB_TSO_MAX_MSS) ||
+					(m->l2_len + m->l3_len + m->l4_len >
+					IGB_TSO_MAX_HDRLEN)) {
+				rte_errno = -EINVAL;
+				return i;
+			}
+
+		if (m->ol_flags & IGB_TX_OFFLOAD_NOTSUP_MASK) {
+			rte_errno = -ENOTSUP;
+			return i;
+		}
+
+#ifdef RTE_LIBRTE_ETHDEV_DEBUG
+		ret = rte_validate_tx_offload(m);
+		if (ret != 0) {
+			rte_errno = ret;
+			return i;
+		}
+#endif
+		ret = rte_net_intel_cksum_prepare(m);
+		if (ret != 0) {
+			rte_errno = ret;
+			return i;
+		}
+	}
+
+	return i;
+}
+
 /*********************************************************************
  *
  *  RX functions
@@ -729,7 +784,8 @@ rx_desc_status_to_pkt_flags(uint32_t rx_status)
 	uint64_t pkt_flags;
 
 	/* Check if VLAN present */
-	pkt_flags = (rx_status & E1000_RXD_STAT_VP) ?  PKT_RX_VLAN_PKT : 0;
+	pkt_flags = ((rx_status & E1000_RXD_STAT_VP) ?
+		PKT_RX_VLAN_PKT | PKT_RX_VLAN_STRIPPED : 0);
 
 #if defined(RTE_LIBRTE_IEEE1588)
 	if (rx_status & E1000_RXD_STAT_TMST)
@@ -747,7 +803,9 @@ rx_desc_error_to_pkt_flags(uint32_t rx_status)
 	 */
 
 	static uint64_t error_to_pkt_flags_map[4] = {
-		0,  PKT_RX_L4_CKSUM_BAD, PKT_RX_IP_CKSUM_BAD,
+		PKT_RX_IP_CKSUM_GOOD | PKT_RX_L4_CKSUM_GOOD,
+		PKT_RX_IP_CKSUM_GOOD | PKT_RX_L4_CKSUM_BAD,
+		PKT_RX_IP_CKSUM_BAD | PKT_RX_L4_CKSUM_GOOD,
 		PKT_RX_IP_CKSUM_BAD | PKT_RX_L4_CKSUM_BAD
 	};
 	return error_to_pkt_flags_map[(rx_status >>
@@ -1362,6 +1420,7 @@ eth_igb_tx_queue_setup(struct rte_eth_dev *dev,
 
 	igb_reset_tx_queue(txq, dev);
 	dev->tx_pkt_burst = eth_igb_xmit_pkts;
+	dev->tx_pkt_prepare = &eth_igb_prep_pkts;
 	dev->data->tx_queues[queue_idx] = txq;
 
 	return 0;
@@ -1510,11 +1569,6 @@ eth_igb_rx_queue_count(struct rte_eth_dev *dev, uint16_t rx_queue_id)
 	struct igb_rx_queue *rxq;
 	uint32_t desc = 0;
 
-	if (rx_queue_id >= dev->data->nb_rx_queues) {
-		PMD_RX_LOG(ERR, "Invalid RX queue id=%d", rx_queue_id);
-		return 0;
-	}
-
 	rxq = dev->data->rx_queues[rx_queue_id];
 	rxdp = &(rxq->rx_ring[rxq->rx_tail]);
 
@@ -1527,7 +1581,7 @@ eth_igb_rx_queue_count(struct rte_eth_dev *dev, uint16_t rx_queue_id)
 				desc - rxq->nb_rx_desc]);
 	}
 
-	return 0;
+	return desc;
 }
 
 int