From: Tomasz Kulasek <tomaszx.kulasek@intel.com>
Date: Fri, 23 Dec 2016 18:40:49 +0000 (+0100)
Subject: net/fm10k: add Tx preparation
X-Git-Tag: spdx-start~5210
X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=9b134aa39716;p=dpdk.git

net/fm10k: add Tx preparation

Signed-off-by: Tomasz Kulasek <tomaszx.kulasek@intel.com>
Acked-by: Konstantin Ananyev <konstantin.ananyev@intel.com>
---

diff --git a/drivers/net/fm10k/fm10k.h b/drivers/net/fm10k/fm10k.h
index 05aa1a2526..c6fed21590 100644
--- a/drivers/net/fm10k/fm10k.h
+++ b/drivers/net/fm10k/fm10k.h
@@ -69,6 +69,9 @@
 #define FM10K_MAX_RX_DESC  (FM10K_MAX_RX_RING_SZ / sizeof(union fm10k_rx_desc))
 #define FM10K_MAX_TX_DESC  (FM10K_MAX_TX_RING_SZ / sizeof(struct fm10k_tx_desc))
 
+#define FM10K_TX_MAX_SEG     UINT8_MAX
+#define FM10K_TX_MAX_MTU_SEG UINT8_MAX
+
 /*
  * byte aligment for HW RX data buffer
  * Datasheet requires RX buffer addresses shall either be 512-byte aligned or
@@ -356,6 +359,9 @@ fm10k_dev_rx_descriptor_done(void *rx_queue, uint16_t offset);
 uint16_t fm10k_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts,
 	uint16_t nb_pkts);
 
+uint16_t fm10k_prep_pkts(void *tx_queue, struct rte_mbuf **tx_pkts,
+	uint16_t nb_pkts);
+
 int fm10k_rxq_vec_setup(struct fm10k_rx_queue *rxq);
 int fm10k_rx_vec_condition_check(struct rte_eth_dev *);
 void fm10k_rx_queue_release_mbufs_vec(struct fm10k_rx_queue *rxq);
diff --git a/drivers/net/fm10k/fm10k_ethdev.c b/drivers/net/fm10k/fm10k_ethdev.c
index a30193c2ac..d8353e9d0a 100644
--- a/drivers/net/fm10k/fm10k_ethdev.c
+++ b/drivers/net/fm10k/fm10k_ethdev.c
@@ -1454,6 +1454,8 @@ fm10k_dev_infos_get(struct rte_eth_dev *dev,
 		.nb_max = FM10K_MAX_TX_DESC,
 		.nb_min = FM10K_MIN_TX_DESC,
 		.nb_align = FM10K_MULT_TX_DESC,
+		.nb_seg_max = FM10K_TX_MAX_SEG,
+		.nb_mtu_seg_max = FM10K_TX_MAX_MTU_SEG,
 	};
 
 	dev_info->speed_capa = ETH_LINK_SPEED_1G | ETH_LINK_SPEED_2_5G |
@@ -2765,8 +2767,10 @@ fm10k_set_tx_function(struct rte_eth_dev *dev)
 			fm10k_txq_vec_setup(txq);
 		}
 		dev->tx_pkt_burst = fm10k_xmit_pkts_vec;
+		dev->tx_pkt_prepare = NULL;
 	} else {
 		dev->tx_pkt_burst = fm10k_xmit_pkts;
+		dev->tx_pkt_prepare = fm10k_prep_pkts;
 		PMD_INIT_LOG(DEBUG, "Use regular Tx func");
 	}
 }
@@ -2847,6 +2851,7 @@ eth_fm10k_dev_init(struct rte_eth_dev *dev)
 	dev->dev_ops = &fm10k_eth_dev_ops;
 	dev->rx_pkt_burst = &fm10k_recv_pkts;
 	dev->tx_pkt_burst = &fm10k_xmit_pkts;
+	dev->tx_pkt_prepare = &fm10k_prep_pkts;
 
 	/* only initialize in the primary process */
 	if (rte_eal_process_type() != RTE_PROC_PRIMARY)
diff --git a/drivers/net/fm10k/fm10k_rxtx.c b/drivers/net/fm10k/fm10k_rxtx.c
index 32cc7ff9a4..144e5e6b12 100644
--- a/drivers/net/fm10k/fm10k_rxtx.c
+++ b/drivers/net/fm10k/fm10k_rxtx.c
@@ -1,7 +1,7 @@
 /*-
  *   BSD LICENSE
  *
- *   Copyright(c) 2013-2015 Intel Corporation. All rights reserved.
+ *   Copyright(c) 2013-2016 Intel Corporation. All rights reserved.
  *   All rights reserved.
  *
  *   Redistribution and use in source and binary forms, with or without
@@ -35,6 +35,7 @@
 
 #include <rte_ethdev.h>
 #include <rte_common.h>
+#include <rte_net.h>
 #include "fm10k.h"
 #include "base/fm10k_type.h"
 
@@ -65,6 +66,15 @@ static inline void dump_rxd(union fm10k_rx_desc *rxd)
 }
 #endif
 
+#define FM10K_TX_OFFLOAD_MASK (  \
+		PKT_TX_VLAN_PKT |        \
+		PKT_TX_IP_CKSUM |        \
+		PKT_TX_L4_MASK |         \
+		PKT_TX_TCP_SEG)
+
+#define FM10K_TX_OFFLOAD_NOTSUP_MASK \
+		(PKT_TX_OFFLOAD_MASK ^ FM10K_TX_OFFLOAD_MASK)
+
 /* @note: When this function is changed, make corresponding change to
  * fm10k_dev_supported_ptypes_get()
  */
@@ -597,3 +607,41 @@ fm10k_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts,
 
 	return count;
 }
+
+uint16_t
+fm10k_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];
+
+		if ((m->ol_flags & PKT_TX_TCP_SEG) &&
+				(m->tso_segsz < FM10K_TSO_MINMSS)) {
+			rte_errno = -EINVAL;
+			return i;
+		}
+
+		if (m->ol_flags & FM10K_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;
+}