X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fe1000%2Figb_rxtx.c;h=45f3f249fdccec28edc6f7b887c498dd008bdf3c;hb=542594d3fb80af6078ecb3e88c29fc8406c00ca7;hp=4a987e3cc01488d0066c66df5e2a0b7c5f84cb0b;hpb=cfaf45237c852c51c377adb1620f0bb71bd1db0b;p=dpdk.git

diff --git a/drivers/net/e1000/igb_rxtx.c b/drivers/net/e1000/igb_rxtx.c
index 4a987e3cc0..45f3f249fd 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>
@@ -66,6 +65,7 @@
 #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"
@@ -79,15 +79,8 @@
 		PKT_TX_L4_MASK |		 \
 		PKT_TX_TCP_SEG)
 
-static inline struct rte_mbuf *
-rte_rxmbuf_alloc(struct rte_mempool *mp)
-{
-	struct rte_mbuf *m;
-
-	m = __rte_mbuf_raw_alloc(mp);
-	__rte_mbuf_sanity_check_raw(m, 0);
-	return m;
-}
+#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.
@@ -616,7 +609,7 @@ 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);
@@ -625,6 +618,52 @@ 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
@@ -739,7 +778,8 @@ 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)
@@ -757,7 +797,9 @@ 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 >>
@@ -838,7 +880,7 @@ eth_igb_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts,
 			   (unsigned) rx_id, (unsigned) staterr,
 			   (unsigned) rte_le_to_cpu_16(rxd.wb.upper.length));
 
-		nmb = rte_rxmbuf_alloc(rxq->mb_pool);
+		nmb = rte_mbuf_raw_alloc(rxq->mb_pool);
 		if (nmb == NULL) {
 			PMD_RX_LOG(DEBUG, "RX mbuf alloc failed port_id=%u "
 				   "queue_id=%u", (unsigned) rxq->port_id,
@@ -1021,7 +1063,7 @@ eth_igb_recv_scattered_pkts(void *rx_queue, struct rte_mbuf **rx_pkts,
 			   (unsigned) rx_id, (unsigned) staterr,
 			   (unsigned) rte_le_to_cpu_16(rxd.wb.upper.length));
 
-		nmb = rte_rxmbuf_alloc(rxq->mb_pool);
+		nmb = rte_mbuf_raw_alloc(rxq->mb_pool);
 		if (nmb == NULL) {
 			PMD_RX_LOG(DEBUG, "RX mbuf alloc failed port_id=%u "
 				   "queue_id=%u", (unsigned) rxq->port_id,
@@ -1372,6 +1414,7 @@ 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;
@@ -1537,7 +1580,7 @@ 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
@@ -1957,7 +2000,7 @@ igb_alloc_rx_queue_mbufs(struct igb_rx_queue *rxq)
 	/* Initialize software ring entries. */
 	for (i = 0; i < rxq->nb_rx_desc; i++) {
 		volatile union e1000_adv_rx_desc *rxd;
-		struct rte_mbuf *mbuf = rte_rxmbuf_alloc(rxq->mb_pool);
+		struct rte_mbuf *mbuf = rte_mbuf_raw_alloc(rxq->mb_pool);
 
 		if (mbuf == NULL) {
 			PMD_INIT_LOG(ERR, "RX mbuf alloc failed "