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net: netcp: add api to support set rx mode in netcp modules

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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>
This commit is contained in:
WingMan Kwok 2018-04-17 17:30:41 -04:00 committed by David S. Miller
parent 21f706bb10
commit 0542a87c54
2 changed files with 20 additions and 0 deletions
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1
drivers/net/ethernet/ti/netcp.h
View File

@ -214,6 +214,7 @@ struct netcp_module {
int (*add_vid)(void *intf_priv, int vid);
int (*del_vid)(void *intf_priv, int vid);
int (*ioctl)(void *intf_priv, struct ifreq *req, int cmd);
int (*set_rx_mode)(void *intf_priv, bool promisc);
/* used internally */
struct list_head module_list;

19
drivers/net/ethernet/ti/netcp_core.c
View File

@ -1509,6 +1509,24 @@ static void netcp_addr_sweep_add(struct netcp_intf *netcp)
}
}
static int netcp_set_promiscuous(struct netcp_intf *netcp, bool promisc)
{
struct netcp_intf_modpriv *priv;
struct netcp_module *module;
int error;
for_each_module(netcp, priv) {
module = priv->netcp_module;
if (!module->set_rx_mode)
continue;
error = module->set_rx_mode(priv->module_priv, promisc);
if (error)
return error;
}
return 0;
}
static void netcp_set_rx_mode(struct net_device *ndev)
{
struct netcp_intf *netcp = netdev_priv(ndev);
@ -1538,6 +1556,7 @@ static void netcp_set_rx_mode(struct net_device *ndev)
/* finally sweep and callout into modules */
netcp_addr_sweep_del(netcp);
netcp_addr_sweep_add(netcp);
netcp_set_promiscuous(netcp, promisc);
spin_unlock(&netcp->lock);
}