diff options
author | Sathya Perla <sathyap@serverengines.com> | 2009-06-18 00:09:25 (GMT) |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2009-06-19 07:18:41 (GMT) |
commit | 24307eef74bd38e3fc6a6df8f8a1bfc48967f9f6 (patch) | |
tree | 86583877a2178f8ea1baff35e2262a6b1de8bd58 /drivers/net/benet | |
parent | 6ac7b687cb3acc437a586794949a43f5249956bb (diff) | |
download | linux-24307eef74bd38e3fc6a6df8f8a1bfc48967f9f6.tar.xz |
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@serverengines.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/benet')
-rw-r--r-- | drivers/net/benet/be.h | 1 | ||||
-rw-r--r-- | drivers/net/benet/be_cmds.c | 19 | ||||
-rw-r--r-- | drivers/net/benet/be_cmds.h | 4 | ||||
-rw-r--r-- | 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 e4ad5e6..4a2e1f5 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) |