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From: Tal Shnaiderman <talshn@nvidia.com>
To: dev@dpdk.org
Cc: thomas@monjalon.net, matan@nvidia.com, rasland@nvidia.com,
ophirmu@nvidia.com
Date: Sun, 13 Dec 2020 22:50:04 +0200
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<20201213205005.7300-1-talshn@nvidia.com>
Subject: [dpdk-dev] [PATCH v4 31/32] net/mlx5/windows: implement mlx5 mac
addr add
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Get the list of MAC addresses and verify if the input mac parameter
already exists. If not - return -ENOTSUP (as Windows does not support
adding new MAC addresses). If the MAC address exists (EEXIST) return 0
(the equivalent of Linux implementation of this API).
Signed-off-by: Tal Shnaiderman <talshn@nvidia.com>
Acked-by: Matan Azrad <matan@nvidia.com>
---
drivers/net/mlx5/windows/mlx5_os.c | 36 ++++++++++++++++++++++++++++++++++++
1 file changed, 36 insertions(+)
diff --git a/drivers/net/mlx5/windows/mlx5_os.c b/drivers/net/mlx5/windows/mlx5_os.c
index 4a7c745a71..52ddd00399 100644
--- a/drivers/net/mlx5/windows/mlx5_os.c
+++ b/drivers/net/mlx5/windows/mlx5_os.c
@@ -188,6 +188,42 @@ mlx5_os_mac_addr_remove(struct rte_eth_dev *dev, uint32_t index)
DRV_LOG(WARNING, "mlx5_os_mac_addr_remove is not supported");
}
+/**
+ * Adds a MAC address to the device
+ * Currently it has no support under Windows.
+ *
+ * @param dev
+ * Pointer to Ethernet device structure.
+ * @param mac_addr
+ * MAC address to register.
+ * @param index
+ * MAC address index.
+ *
+ * @return
+ * 0 on success, a negative errno value otherwise
+ */
+int
+mlx5_os_mac_addr_add(struct rte_eth_dev *dev, struct rte_ether_addr *mac,
+ uint32_t index)
+{
+ (void)index;
+ struct rte_ether_addr lmac;
+
+ if (mlx5_get_mac(dev, &lmac.addr_bytes)) {
+ DRV_LOG(ERR,
+ "port %u cannot get MAC address, is mlx5_en"
+ " loaded? (errno: %s)",
+ dev->data->port_id, strerror(rte_errno));
+ return rte_errno;
+ }
+ if (!rte_is_same_ether_addr(&lmac, mac)) {
+ DRV_LOG(ERR,
+ "adding new mac address to device is unsupported");
+ return -ENOTSUP;
+ }
+ return 0;
+}
+
/**
* Modify a VF MAC address
* Currently it has no support under Windows.
--
2.16.1.windows.4