net/mrvl: add link update

Add support for retrieving physical link information i.e:
speed, duplex and link status.

Signed-off-by: Jacek Siuda <jck@semihalf.com>
Signed-off-by: Tomasz Duszynski <tdu@semihalf.com>

diff --git a/doc/guides/nics/features/mrvl.ini b/doc/guides/nics/features/mrvl.ini
new file mode 100644 (file)
index 0000000..72df92e
--- /dev/null
+++ b/doc/guides/nics/features/mrvl.ini
@@ -0,0 +1,7 @@
+;
+; Supported features of the 'mrvl' network poll mode driver.
+;
+; Refer to default.ini for the full list of available PMD features.
+;
+[Features]
+Link status          = Y

diff --git a/drivers/net/mrvl/mrvl_ethdev.c b/drivers/net/mrvl/mrvl_ethdev.c
index c87d48e..4788784 100644 (file)
--- a/drivers/net/mrvl/mrvl_ethdev.c
+++ b/drivers/net/mrvl/mrvl_ethdev.c
@@ -477,6 +477,70 @@ mrvl_dev_close(struct rte_eth_dev *dev)
        mrvl_flush_bpool(dev);
 }
 
+/**
+ * DPDK callback to retrieve physical link information.
+ *
+ * @param dev
+ *   Pointer to Ethernet device structure.
+ * @param wait_to_complete
+ *   Wait for request completion (ignored).
+ *
+ * @return
+ *   0 on success, negative error value otherwise.
+ */
+static int
+mrvl_link_update(struct rte_eth_dev *dev, int wait_to_complete __rte_unused)
+{
+       /*
+        * TODO
+        * once MUSDK provides necessary API use it here
+        */
+       struct ethtool_cmd edata;
+       struct ifreq req;
+       int ret, fd;
+
+       edata.cmd = ETHTOOL_GSET;
+
+       strcpy(req.ifr_name, dev->data->name);
+       req.ifr_data = (void *)&edata;
+
+       fd = socket(AF_INET, SOCK_DGRAM, 0);
+       if (fd == -1)
+               return -EFAULT;
+
+       ret = ioctl(fd, SIOCETHTOOL, &req);
+       if (ret == -1) {
+               close(fd);
+               return -EFAULT;
+       }
+
+       close(fd);
+
+       switch (ethtool_cmd_speed(&edata)) {
+       case SPEED_10:
+               dev->data->dev_link.link_speed = ETH_SPEED_NUM_10M;
+               break;
+       case SPEED_100:
+               dev->data->dev_link.link_speed = ETH_SPEED_NUM_100M;
+               break;
+       case SPEED_1000:
+               dev->data->dev_link.link_speed = ETH_SPEED_NUM_1G;
+               break;
+       case SPEED_10000:
+               dev->data->dev_link.link_speed = ETH_SPEED_NUM_10G;
+               break;
+       default:
+               dev->data->dev_link.link_speed = ETH_SPEED_NUM_NONE;
+       }
+
+       dev->data->dev_link.link_duplex = edata.duplex ? ETH_LINK_FULL_DUPLEX :
+                                                        ETH_LINK_HALF_DUPLEX;
+       dev->data->dev_link.link_autoneg = edata.autoneg ? ETH_LINK_AUTONEG :
+                                                          ETH_LINK_FIXED;
+
+       return 0;
+}
+
 /**
  * DPDK callback to set the primary MAC address.
  *
@@ -816,6 +880,7 @@ static const struct eth_dev_ops mrvl_ops = {
        .dev_set_link_up = mrvl_dev_set_link_up,
        .dev_set_link_down = mrvl_dev_set_link_down,
        .dev_close = mrvl_dev_close,
+       .link_update = mrvl_link_update,
        .mac_addr_set = mrvl_mac_addr_set,
        .dev_infos_get = mrvl_dev_infos_get,
        .rxq_info_get = mrvl_rxq_info_get,