net/liquidio: add API to get device info

Signed-off-by: Shijith Thotton <shijith.thotton@caviumnetworks.com>
Signed-off-by: Jerin Jacob <jerin.jacob@caviumnetworks.com>
Signed-off-by: Derek Chickles <derek.chickles@caviumnetworks.com>
Signed-off-by: Venkat Koppula <venkat.koppula@caviumnetworks.com>
Signed-off-by: Srisivasubramanian S <ssrinivasan@caviumnetworks.com>
Signed-off-by: Mallesham Jatharakonda <mjatharakonda@oneconvergence.com>

diff --git a/drivers/net/liquidio/base/lio_hw_defs.h b/drivers/net/liquidio/base/lio_hw_defs.h
index 8272162..3ea2e0f 100644 (file)
--- 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 (file)
--- a/drivers/net/liquidio/lio_ethdev.c
+++ b/drivers/net/liquidio/lio_ethdev.c
@@ -50,6 +50,18 @@ static uint8_t lio_rss_key[40] = {
        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 @@ lio_send_rx_ctrl_cmd(struct rte_eth_dev *eth_dev, int start_stop)
        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 const struct eth_dev_ops liovf_eth_dev_ops = {
        .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,