[dpdk-dev] [PATCH v3 7/9] cxgbe: add link related functions for cxgbe PMD.

[Rahul Lakkireddy]

Adds link update, promiscuous and multicast related eth_dev_ops for cxgbe poll
mode driver.

Signed-off-by: Rahul Lakkireddy <rahul.lakkireddy at chelsio.com>
Signed-off-by: Kumar Sanghvi <kumaras at chelsio.com>
---
v3:
- No changes.

v2:
- This patch is a subset of patch 2/5 submitted in v1.
- Update cxgbe_dev_link_update() to return correct value.

 drivers/net/cxgbe/cxgbe_ethdev.c | 66 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 66 insertions(+)

diff --git a/drivers/net/cxgbe/cxgbe_ethdev.c b/drivers/net/cxgbe/cxgbe_ethdev.c
index 600a16c..c0dd5f3 100644
--- a/drivers/net/cxgbe/cxgbe_ethdev.c
+++ b/drivers/net/cxgbe/cxgbe_ethdev.c
@@ -164,6 +164,67 @@ static void cxgbe_dev_info_get(struct rte_eth_dev *eth_dev,
        device_info->reta_size = pi->rss_size;
 }

+static void cxgbe_dev_promiscuous_enable(struct rte_eth_dev *eth_dev)
+{
+       struct port_info *pi = (struct port_info *)(eth_dev->data->dev_private);
+       struct adapter *adapter = pi->adapter;
+
+       t4_set_rxmode(adapter, adapter->mbox, pi->viid, -1,
+                     1, -1, 1, -1, false);
+}
+
+static void cxgbe_dev_promiscuous_disable(struct rte_eth_dev *eth_dev)
+{
+       struct port_info *pi = (struct port_info *)(eth_dev->data->dev_private);
+       struct adapter *adapter = pi->adapter;
+
+       t4_set_rxmode(adapter, adapter->mbox, pi->viid, -1,
+                     0, -1, 1, -1, false);
+}
+
+static void cxgbe_dev_allmulticast_enable(struct rte_eth_dev *eth_dev)
+{
+       struct port_info *pi = (struct port_info *)(eth_dev->data->dev_private);
+       struct adapter *adapter = pi->adapter;
+
+       /* TODO: address filters ?? */
+
+       t4_set_rxmode(adapter, adapter->mbox, pi->viid, -1,
+                     -1, 1, 1, -1, false);
+}
+
+static void cxgbe_dev_allmulticast_disable(struct rte_eth_dev *eth_dev)
+{
+       struct port_info *pi = (struct port_info *)(eth_dev->data->dev_private);
+       struct adapter *adapter = pi->adapter;
+
+       /* TODO: address filters ?? */
+
+       t4_set_rxmode(adapter, adapter->mbox, pi->viid, -1,
+                     -1, 0, 1, -1, false);
+}
+
+static int cxgbe_dev_link_update(struct rte_eth_dev *eth_dev,
+                                __rte_unused int wait_to_complete)
+{
+       struct port_info *pi = (struct port_info *)(eth_dev->data->dev_private);
+       struct adapter *adapter = pi->adapter;
+       struct sge *s = &adapter->sge;
+       struct rte_eth_link *old_link = &eth_dev->data->dev_link;
+       unsigned int work_done, budget = 4;
+
+       cxgbe_poll(&s->fw_evtq, NULL, budget, &work_done);
+       if (old_link->link_status == pi->link_cfg.link_ok)
+               return -1;  /* link not changed */
+
+       eth_dev->data->dev_link.link_status = pi->link_cfg.link_ok;
+       eth_dev->data->dev_link.link_duplex = ETH_LINK_FULL_DUPLEX;
+       eth_dev->data->dev_link.link_speed = pi->link_cfg.speed;
+
+       /* link has changed */
+       return 0;
+}
+
 static int cxgbe_dev_tx_queue_start(struct rte_eth_dev *eth_dev,
                                    uint16_t tx_queue_id);
 static int cxgbe_dev_rx_queue_start(struct rte_eth_dev *eth_dev,
@@ -585,8 +646,13 @@ static struct eth_dev_ops cxgbe_eth_dev_ops = {
        .dev_start              = cxgbe_dev_start,
        .dev_stop               = cxgbe_dev_stop,
        .dev_close              = cxgbe_dev_close,
+       .promiscuous_enable     = cxgbe_dev_promiscuous_enable,
+       .promiscuous_disable    = cxgbe_dev_promiscuous_disable,
+       .allmulticast_enable    = cxgbe_dev_allmulticast_enable,
+       .allmulticast_disable   = cxgbe_dev_allmulticast_disable,
        .dev_configure          = cxgbe_dev_configure,
        .dev_infos_get          = cxgbe_dev_info_get,
+       .link_update            = cxgbe_dev_link_update,
        .tx_queue_setup         = cxgbe_dev_tx_queue_setup,
        .tx_queue_start         = cxgbe_dev_tx_queue_start,
        .tx_queue_stop          = cxgbe_dev_tx_queue_stop,
-- 
2.4.1