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Message-ID: <20090618100925.GA12704@serverengines.com>
Date: Thu, 18 Jun 2009 15:39:25 +0530
From: Sathya Perla <sathyap@...verengines.com>
To: netdev <netdev@...r.kernel.org>
Subject: [net-next PATCH 3/4] 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: Sathya Perla <sathyap@...verengines.com>
---
drivers/net/benet/be.h | 1 +
drivers/net/benet/be_cmds.c | 19 ++++++++++------
drivers/net/benet/be_cmds.h | 4 +-
drivers/net/benet/be_main.c | 49 +++++++++++++++----------------------------
4 files changed, 32 insertions(+), 41 deletions(-)
diff --git a/drivers/net/benet/be.h b/drivers/net/benet/be.h
index ef5be13..94b75cb 100644
--- a/drivers/net/benet/be.h
+++ b/drivers/net/benet/be.h
@@ -274,6 +274,7 @@ struct be_adapter {
struct be_link_info link;
u32 port_num;
+ bool promiscuous;
};
extern struct ethtool_ops be_ethtool_ops;
diff --git a/drivers/net/benet/be_cmds.c b/drivers/net/benet/be_cmds.c
index 0b60508..dad2d2b 100644
--- a/drivers/net/benet/be_cmds.c
+++ b/drivers/net/benet/be_cmds.c
@@ -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);
diff --git a/drivers/net/benet/be_cmds.h b/drivers/net/benet/be_cmds.h
index 0a9189d..a567aa4 100644
--- a/drivers/net/benet/be_cmds.h
+++ b/drivers/net/benet/be_cmds.h
@@ -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,
diff --git a/drivers/net/benet/be_main.c b/drivers/net/benet/be_main.c
index a4ce80e..3dc6803 100644
--- a/drivers/net/benet/be_main.c
+++ b/drivers/net/benet/be_main.c
@@ -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;
+ struct be_ctrl_info *ctrl = &adapter->ctrl;
- if (netdev->flags & IFF_ALLMULTI) {
- /* set BE in Multicast promiscuous */
- be_cmd_mcast_mac_set(&adapter->ctrl,
- adapter->if_handle, NULL, 0, true);
- return;
+ if (netdev->flags & IFF_PROMISC) {
+ be_cmd_promiscuous_config(ctrl, adapter->port_num, 1);
+ adapter->promiscuous = true;
+ goto done;
}
- 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;
- }
-
+ /* 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)
--
1.6.0.4
--
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