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Message-ID: <20100723115201.GA24975@serverengines.com>
Date: Fri, 23 Jul 2010 17:22:13 +0530
From: Ajit Khaparde <ajitk@...verengines.com>
To: David Miller <davem@...emloft.net>
Cc: netdev <netdev@...r.kernel.org>
Subject: [PATCH net-next 4/7] be2net: code to support tx rate configuration
on virtual functions
Signed-off-by: Ajit Khaparde <ajitk@...verengines.com>
---
drivers/net/benet/be.h | 1 +
drivers/net/benet/be_cmds.c | 34 ++++++++++++++++++++++++++++++++++
drivers/net/benet/be_cmds.h | 18 ++++++++++++++++++
drivers/net/benet/be_main.c | 27 ++++++++++++++++++++++++++-
4 files changed, 79 insertions(+), 1 deletions(-)
diff --git a/drivers/net/benet/be.h b/drivers/net/benet/be.h
index f693b9e..8cfe3c4 100644
--- a/drivers/net/benet/be.h
+++ b/drivers/net/benet/be.h
@@ -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 */
diff --git a/drivers/net/benet/be_cmds.c b/drivers/net/benet/be_cmds.c
index 344e062..32ae324 100644
--- a/drivers/net/benet/be_cmds.c
+++ b/drivers/net/benet/be_cmds.c
@@ -1730,3 +1730,37 @@ 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;
+}
+
diff --git a/drivers/net/benet/be_cmds.h b/drivers/net/benet/be_cmds.h
index 912a058..3b69e71 100644
--- a/drivers/net/benet/be_cmds.h
+++ b/drivers/net/benet/be_cmds.h
@@ -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);
diff --git a/drivers/net/benet/be_main.c b/drivers/net/benet/be_main.c
index 46f087e..79adcdd 100644
--- a/drivers/net/benet/be_main.c
+++ b/drivers/net/benet/be_main.c
@@ -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
};
--
1.7.0.4
--
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