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Commit 24307eef authored by Sathya Perla's avatar Sathya Perla Committed by David S. Miller
Browse files

be2net: cleanup multicast_set cmd to avoid mc_list copy 



Cleanup multicast_set method to avoid an extra copy of mc_list
 and unwanted promiscuos sets to BE.

Signed-off-by: default avatarSathya Perla <sathyap@serverengines.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 6ac7b687

drivers/net/benet/be.h

+1 −0
Original line number Diff line number Diff line
@@ -274,6 +274,7 @@ struct be_adapter { 


	struct be_link_info link;

	u32 port_num;

	bool promiscuous;

};



extern struct ethtool_ops be_ethtool_ops;

drivers/net/benet/be_cmds.c

+12 −7
Original line number Diff line number Diff line
@@ -927,8 +927,8 @@ int be_cmd_promiscuous_config(struct be_ctrl_info *ctrl, u8 port_num, bool en) 
 * Use MCC for this command as it may be called in BH context

 * (mc == NULL) => multicast promiscous

 */

int be_cmd_mcast_mac_set(struct be_ctrl_info *ctrl, u32 if_id, u8 *mac_table,

			u32 num, bool promiscuous)

int be_cmd_multicast_set(struct be_ctrl_info *ctrl, u32 if_id,

		struct dev_mc_list *mc_list, u32 mc_count)

{

#define BE_MAX_MC		32 /* set mcast promisc if > 32 */

	struct be_mcc_wrb *wrb;
@@ -947,11 +947,16 @@ int be_cmd_mcast_mac_set(struct be_ctrl_info *ctrl, u32 if_id, u8 *mac_table, 
		OPCODE_COMMON_NTWK_MULTICAST_SET, sizeof(*req));



	req->interface_id = if_id;

	req->promiscuous = promiscuous;

	if (!promiscuous) {

		req->num_mac = cpu_to_le16(num);

		if (num)

			memcpy(req->mac, mac_table, ETH_ALEN * num);

	if (mc_list && mc_count <= BE_MAX_MC) {

		int i;

		struct dev_mc_list *mc;



		req->num_mac = cpu_to_le16(mc_count);



		for (mc = mc_list, i = 0; mc; mc = mc->next, i++)

			memcpy(req->mac[i].byte, mc->dmi_addr, ETH_ALEN);

	} else {

		req->promiscuous = 1;

	}



	be_mcc_notify_wait(ctrl);

drivers/net/benet/be_cmds.h

+2 −2
Original line number Diff line number Diff line
@@ -716,8 +716,8 @@ extern int be_cmd_vlan_config(struct be_ctrl_info *ctrl, u32 if_id, 
			bool promiscuous);

extern int be_cmd_promiscuous_config(struct be_ctrl_info *ctrl,

			u8 port_num, bool en);

extern int be_cmd_mcast_mac_set(struct be_ctrl_info *ctrl, u32 if_id,

			u8 *mac_table, u32 num, bool promiscuous);

extern int be_cmd_multicast_set(struct be_ctrl_info *ctrl, u32 if_id,

			struct dev_mc_list *mc_list, u32 mc_count);

extern int be_cmd_set_flow_control(struct be_ctrl_info *ctrl,

			u32 tx_fc, u32 rx_fc);

extern int be_cmd_get_flow_control(struct be_ctrl_info *ctrl,

drivers/net/benet/be_main.c

+17 −32
Original line number Diff line number Diff line
@@ -549,47 +549,32 @@ static void be_vlan_rem_vid(struct net_device *netdev, u16 vid) 
	be_vid_config(netdev);

}



static void be_set_multicast_filter(struct net_device *netdev)

static void be_set_multicast_list(struct net_device *netdev)

{

	struct be_adapter *adapter = netdev_priv(netdev);

	struct dev_mc_list *mc_ptr;

	u8 mac_addr[32][ETH_ALEN];

	int i = 0;



	if (netdev->flags & IFF_ALLMULTI) {

		/* set BE in Multicast promiscuous */

		be_cmd_mcast_mac_set(&adapter->ctrl,

					adapter->if_handle, NULL, 0, true);

		return;

	}

	struct be_ctrl_info *ctrl = &adapter->ctrl;



	for (mc_ptr = netdev->mc_list; mc_ptr; mc_ptr = mc_ptr->next) {

		memcpy(&mac_addr[i][0], mc_ptr->dmi_addr, ETH_ALEN);

		if (++i >= 32) {

			be_cmd_mcast_mac_set(&adapter->ctrl,

				adapter->if_handle, &mac_addr[0][0], i, false);

			i = 0;

	if (netdev->flags & IFF_PROMISC) {

		be_cmd_promiscuous_config(ctrl, adapter->port_num, 1);

		adapter->promiscuous = true;

		goto done;

	}



	/* BE was previously in promiscous mode; disable it */

	if (adapter->promiscuous) {

		adapter->promiscuous = false;

		be_cmd_promiscuous_config(ctrl, adapter->port_num, 0);

	}



	if (i) {

		/* reset the promiscuous mode also. */

		be_cmd_mcast_mac_set(&adapter->ctrl,

			adapter->if_handle, &mac_addr[0][0], i, false);

	}

	if (netdev->flags & IFF_ALLMULTI) {

		be_cmd_multicast_set(ctrl, adapter->if_handle, NULL, 0);

		goto done;

	}



static void be_set_multicast_list(struct net_device *netdev)

{

	struct be_adapter *adapter = netdev_priv(netdev);



	if (netdev->flags & IFF_PROMISC) {

		be_cmd_promiscuous_config(&adapter->ctrl, adapter->port_num, 1);

	} else {

		be_cmd_promiscuous_config(&adapter->ctrl, adapter->port_num, 0);

		be_set_multicast_filter(netdev);

	}

	be_cmd_multicast_set(ctrl, adapter->if_handle, netdev->mc_list,

		netdev->mc_count);

done:

	return;

}



static void be_rx_rate_update(struct be_adapter *adapter)