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be2net: code to support tx rate configuration on virtual functions 

Signed-off-by: Ajit Khaparde <ajitk@serverengines.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ajit Khaparde 2010-07-23 01:52:13 +00:00 committed by David S. Miller
parent 1da87b7faf
commit e1d187353f
4 changed files with 78 additions and 1 deletions
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1
drivers/net/benet/be.h
View File

@ -225,6 +225,7 @@ struct be_vf_cfg {
u32 vf_if_handle;
u32 vf_pmac_id;
u16 vf_vlan_tag;
u32 vf_tx_rate;
};
#define BE_NUM_MSIX_VECTORS 2 /* 1 each for Tx and Rx */

33
drivers/net/benet/be_cmds.c
View File

@ -1730,3 +1730,36 @@ err:
spin_unlock_bh(&adapter->mcc_lock);
return status;
}
int be_cmd_set_qos(struct be_adapter *adapter, u32 bps, u32 domain)
{
struct be_mcc_wrb *wrb;
struct be_cmd_req_set_qos *req;
int status;
spin_lock_bh(&adapter->mcc_lock);
wrb = wrb_from_mccq(adapter);
if (!wrb) {
status = -EBUSY;
goto err;
}
req = embedded_payload(wrb);
be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0,
OPCODE_COMMON_SET_QOS);
be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
OPCODE_COMMON_SET_QOS, sizeof(*req));
req->hdr.domain = domain;
req->valid_bits = BE_QOS_BITS_NIC;
req->max_bps_nic = bps;
status = be_mcc_notify_wait(adapter);
err:
spin_unlock_bh(&adapter->mcc_lock);
return status;
}

18
drivers/net/benet/be_cmds.h
View File

@ -124,6 +124,7 @@ struct be_mcc_mailbox {
#define OPCODE_COMMON_CQ_CREATE 12
#define OPCODE_COMMON_EQ_CREATE 13
#define OPCODE_COMMON_MCC_CREATE 21
#define OPCODE_COMMON_SET_QOS 28
#define OPCODE_COMMON_SEEPROM_READ 30
#define OPCODE_COMMON_NTWK_RX_FILTER 34
#define OPCODE_COMMON_GET_FW_VERSION 35
@ -894,6 +895,22 @@ struct be_cmd_resp_get_phy_info {
u32 future_use[4];
};
/*********************** Set QOS ***********************/
#define BE_QOS_BITS_NIC 1
struct be_cmd_req_set_qos {
struct be_cmd_req_hdr hdr;
u32 valid_bits;
u32 max_bps_nic;
u32 rsvd[7];
};
struct be_cmd_resp_set_qos {
struct be_cmd_resp_hdr hdr;
u32 rsvd;
};
extern int be_pci_fnum_get(struct be_adapter *adapter);
extern int be_cmd_POST(struct be_adapter *adapter);
extern int be_cmd_mac_addr_query(struct be_adapter *adapter, u8 *mac_addr,
@ -974,4 +991,5 @@ extern int be_cmd_set_loopback(struct be_adapter *adapter, u8 port_num,
u8 loopback_type, u8 enable);
extern int be_cmd_get_phy_info(struct be_adapter *adapter,
struct be_dma_mem *cmd);
extern int be_cmd_set_qos(struct be_adapter *adapter, u32 bps, u32 domain);

27
drivers/net/benet/be_main.c
View File

@ -695,7 +695,7 @@ static int be_get_vf_config(struct net_device *netdev, int vf,
return -EINVAL;
vi->vf = vf;
vi->tx_rate = 0;
vi->tx_rate = adapter->vf_cfg[vf].vf_tx_rate;
vi->vlan = adapter->vf_cfg[vf].vf_vlan_tag;
vi->qos = 0;
memcpy(&vi->mac, adapter->vf_cfg[vf].vf_mac_addr, ETH_ALEN);
@ -731,6 +731,30 @@ static int be_set_vf_vlan(struct net_device *netdev,
return status;
}
static int be_set_vf_tx_rate(struct net_device *netdev,
int vf, int rate)
{
struct be_adapter *adapter = netdev_priv(netdev);
int status = 0;
if (!adapter->sriov_enabled)
return -EPERM;
if ((vf >= num_vfs) || (rate < 0))
return -EINVAL;
if (rate > 10000)
rate = 10000;
adapter->vf_cfg[vf].vf_tx_rate = rate;
status = be_cmd_set_qos(adapter, rate / 10, vf);
if (status)
dev_info(&adapter->pdev->dev,
"tx rate %d on VF %d failed\n", rate, vf);
return status;
}
static void be_rx_rate_update(struct be_adapter *adapter)
{
struct be_drvr_stats *stats = drvr_stats(adapter);
@ -2256,6 +2280,7 @@ static struct net_device_ops be_netdev_ops = {
.ndo_vlan_rx_kill_vid = be_vlan_rem_vid,
.ndo_set_vf_mac = be_set_vf_mac,
.ndo_set_vf_vlan = be_set_vf_vlan,
.ndo_set_vf_tx_rate = be_set_vf_tx_rate,
.ndo_get_vf_config = be_get_vf_config
};