net: netcp: add api to support set rx mode in netcp modules
This patch adds an API to support setting rx mode in netcp modules. If a netcp module needs to be notified when upper layer transitions from one rx mode to another and react accordingly, such a module will implement the new API set_rx_mode added in this patch. Currently rx modes supported are PROMISCUOUS and NON_PROMISCUOUS modes. Signed-off-by: WingMan Kwok <w-kwok2@ti.com> Signed-off-by: Murali Karicheri <m-karicheri2@ti.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -214,6 +214,7 @@ struct netcp_module {
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int (*add_vid)(void *intf_priv, int vid);
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int (*del_vid)(void *intf_priv, int vid);
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int (*ioctl)(void *intf_priv, struct ifreq *req, int cmd);
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int (*set_rx_mode)(void *intf_priv, bool promisc);
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/* used internally */
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struct list_head module_list;
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@ -1509,6 +1509,24 @@ static void netcp_addr_sweep_add(struct netcp_intf *netcp)
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}
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}
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static int netcp_set_promiscuous(struct netcp_intf *netcp, bool promisc)
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{
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struct netcp_intf_modpriv *priv;
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struct netcp_module *module;
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int error;
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for_each_module(netcp, priv) {
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module = priv->netcp_module;
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if (!module->set_rx_mode)
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continue;
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error = module->set_rx_mode(priv->module_priv, promisc);
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if (error)
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return error;
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}
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return 0;
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}
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static void netcp_set_rx_mode(struct net_device *ndev)
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{
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struct netcp_intf *netcp = netdev_priv(ndev);
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@ -1538,6 +1556,7 @@ static void netcp_set_rx_mode(struct net_device *ndev)
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/* finally sweep and callout into modules */
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netcp_addr_sweep_del(netcp);
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netcp_addr_sweep_add(netcp);
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netcp_set_promiscuous(netcp, promisc);
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spin_unlock(&netcp->lock);
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}
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