net/ark: support setting MTU

Allows a user extension to set a callback for the set_mtu
operation.

Signed-off-by: John Miller <john.miller@atomicrules.com>

diff --git a/drivers/net/ark/ark_ethdev.c b/drivers/net/ark/ark_ethdev.c
index 0931712..5733ba3 100644 (file)
--- a/drivers/net/ark/ark_ethdev.c
+++ b/drivers/net/ark/ark_ethdev.c
@@ -77,6 +77,7 @@ static int eth_ark_macaddr_add(struct rte_eth_dev *dev,
                               uint32_t pool);
 static void eth_ark_macaddr_remove(struct rte_eth_dev *dev,
                                   uint32_t index);
+static int  eth_ark_set_mtu(struct rte_eth_dev *dev, uint16_t size);
 
 /*
  * The packet generator is a functional block used to generate packet
@@ -179,6 +180,8 @@ static const struct eth_dev_ops ark_eth_dev_ops = {
        .mac_addr_add = eth_ark_macaddr_add,
        .mac_addr_remove = eth_ark_macaddr_remove,
        .mac_addr_set = eth_ark_set_default_mac_addr,
+
+       .mtu_set = eth_ark_set_mtu,
 };
 
 static int
@@ -256,6 +259,10 @@ check_for_ext(struct ark_adapter *ark)
                (void (*)(struct rte_eth_dev *, struct ether_addr *,
                          void *))
                dlsym(ark->d_handle, "mac_addr_set");
+       ark->user_ext.set_mtu =
+               (int (*)(struct rte_eth_dev *, uint16_t,
+                         void *))
+               dlsym(ark->d_handle, "set_mtu");
 
        return found;
 }
@@ -886,6 +893,19 @@ eth_ark_set_default_mac_addr(struct rte_eth_dev *dev,
                           ark->user_data[dev->data->port_id]);
 }
 
+static int
+eth_ark_set_mtu(struct rte_eth_dev *dev, uint16_t  size)
+{
+       struct ark_adapter *ark =
+               (struct ark_adapter *)dev->data->dev_private;
+
+       if (ark->user_ext.set_mtu)
+               return ark->user_ext.set_mtu(dev, size,
+                            ark->user_data[dev->data->port_id]);
+
+       return -ENOTSUP;
+}
+
 static inline int
 process_pktdir_arg(const char *key, const char *value,
                   void *extra_args)

diff --git a/drivers/net/ark/ark_ext.h b/drivers/net/ark/ark_ext.h
index f805f64..63b7a26 100644 (file)
--- a/drivers/net/ark/ark_ext.h
+++ b/drivers/net/ark/ark_ext.h
@@ -112,4 +112,8 @@ void mac_addr_set(struct rte_eth_dev *dev,
                  struct ether_addr *mac_addr,
                  void *user_data);
 
+int set_mtu(struct rte_eth_dev *dev,
+           uint16_t size,
+           void *user_data);
+
 #endif

diff --git a/drivers/net/ark/ark_global.h b/drivers/net/ark/ark_global.h
index 58af8db..2a6375f 100644 (file)
--- a/drivers/net/ark/ark_global.h
+++ b/drivers/net/ark/ark_global.h
@@ -106,6 +106,7 @@ struct ark_user_ext {
                                                 void *);
        void (*mac_addr_remove)(struct rte_eth_dev *, uint32_t, void *);
        void (*mac_addr_set)(struct rte_eth_dev *, struct ether_addr *, void *);
+       int (*set_mtu)(struct rte_eth_dev *, uint16_t, void *);
 };
 
 struct ark_adapter {