[dpdk-dev] [PATCH v3 35/46] net/liquidio: add API to get device info

Shijith Thotton shijith.thotton at caviumnetworks.com
Sat Mar 25 07:24:46 CET 2017


Signed-off-by: Shijith Thotton <shijith.thotton at caviumnetworks.com>
Signed-off-by: Jerin Jacob <jerin.jacob at caviumnetworks.com>
Signed-off-by: Derek Chickles <derek.chickles at caviumnetworks.com>
Signed-off-by: Venkat Koppula <venkat.koppula at caviumnetworks.com>
Signed-off-by: Srisivasubramanian S <ssrinivasan at caviumnetworks.com>
Signed-off-by: Mallesham Jatharakonda <mjatharakonda at oneconvergence.com>
---
 drivers/net/liquidio/base/lio_hw_defs.h |  1 +
 drivers/net/liquidio/lio_ethdev.c       | 47 +++++++++++++++++++++++++++++++++
 2 files changed, 48 insertions(+)

diff --git a/drivers/net/liquidio/base/lio_hw_defs.h b/drivers/net/liquidio/base/lio_hw_defs.h
index 8272162..3ea2e0f 100644
--- a/drivers/net/liquidio/base/lio_hw_defs.h
+++ b/drivers/net/liquidio/base/lio_hw_defs.h
@@ -126,6 +126,7 @@ enum octeon_tag_type {
 #define LIO_OPCODE_INFO			0x04
 #define LIO_OPCODE_IF_CFG		0x09
 
+#define LIO_MIN_RX_BUF_SIZE		64
 #define LIO_MAX_RX_PKTLEN		(64 * 1024)
 
 /* NIC Command types */
diff --git a/drivers/net/liquidio/lio_ethdev.c b/drivers/net/liquidio/lio_ethdev.c
index 58a932e..e2040b9 100644
--- a/drivers/net/liquidio/lio_ethdev.c
+++ b/drivers/net/liquidio/lio_ethdev.c
@@ -50,6 +50,18 @@
 	0x6A, 0x42, 0xB7, 0x3B, 0xBE, 0xAC, 0x01, 0xFA,
 };
 
+static const struct rte_eth_desc_lim lio_rx_desc_lim = {
+	.nb_max		= CN23XX_MAX_OQ_DESCRIPTORS,
+	.nb_min		= CN23XX_MIN_OQ_DESCRIPTORS,
+	.nb_align	= 1,
+};
+
+static const struct rte_eth_desc_lim lio_tx_desc_lim = {
+	.nb_max		= CN23XX_MAX_IQ_DESCRIPTORS,
+	.nb_min		= CN23XX_MIN_IQ_DESCRIPTORS,
+	.nb_align	= 1,
+};
+
 /* Wait for control command to reach nic. */
 static uint16_t
 lio_wait_for_ctrl_cmd(struct lio_device *lio_dev,
@@ -105,6 +117,40 @@
 	return 0;
 }
 
+static void
+lio_dev_info_get(struct rte_eth_dev *eth_dev,
+		 struct rte_eth_dev_info *devinfo)
+{
+	struct lio_device *lio_dev = LIO_DEV(eth_dev);
+
+	devinfo->max_rx_queues = lio_dev->max_rx_queues;
+	devinfo->max_tx_queues = lio_dev->max_tx_queues;
+
+	devinfo->min_rx_bufsize = LIO_MIN_RX_BUF_SIZE;
+	devinfo->max_rx_pktlen = LIO_MAX_RX_PKTLEN;
+
+	devinfo->max_mac_addrs = 1;
+
+	devinfo->rx_offload_capa = (DEV_RX_OFFLOAD_IPV4_CKSUM		|
+				    DEV_RX_OFFLOAD_UDP_CKSUM		|
+				    DEV_RX_OFFLOAD_TCP_CKSUM);
+	devinfo->tx_offload_capa = (DEV_TX_OFFLOAD_IPV4_CKSUM		|
+				    DEV_TX_OFFLOAD_UDP_CKSUM		|
+				    DEV_TX_OFFLOAD_TCP_CKSUM);
+
+	devinfo->rx_desc_lim = lio_rx_desc_lim;
+	devinfo->tx_desc_lim = lio_tx_desc_lim;
+
+	devinfo->reta_size = LIO_RSS_MAX_TABLE_SZ;
+	devinfo->hash_key_size = LIO_RSS_MAX_KEY_SZ;
+	devinfo->flow_type_rss_offloads = (ETH_RSS_IPV4			|
+					   ETH_RSS_NONFRAG_IPV4_TCP	|
+					   ETH_RSS_IPV6			|
+					   ETH_RSS_NONFRAG_IPV6_TCP	|
+					   ETH_RSS_IPV6_EX		|
+					   ETH_RSS_IPV6_TCP_EX);
+}
+
 static int
 lio_dev_rss_reta_update(struct rte_eth_dev *eth_dev,
 			struct rte_eth_rss_reta_entry64 *reta_conf,
@@ -987,6 +1033,7 @@ static int lio_dev_configure(struct rte_eth_dev *eth_dev)
 	.dev_configure		= lio_dev_configure,
 	.dev_start		= lio_dev_start,
 	.link_update		= lio_dev_link_update,
+	.dev_infos_get		= lio_dev_info_get,
 	.rx_queue_setup		= lio_dev_rx_queue_setup,
 	.rx_queue_release	= lio_dev_rx_queue_release,
 	.tx_queue_setup		= lio_dev_tx_queue_setup,
-- 
1.8.3.1



More information about the dev mailing list