From: Ajit Khaparde Date: Fri, 23 Jul 2010 01:52:13 +0000 (+0000) Subject: be2net: code to support tx rate configuration on virtual functions X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=e1d187353fc0597d24cf3169b1bbc1776058e883;p=GitHub%2Fmt8127%2Fandroid_kernel_alcatel_ttab.git be2net: code to support tx rate configuration on virtual functions Signed-off-by: Ajit Khaparde Signed-off-by: David S. Miller --- diff --git a/drivers/net/benet/be.h b/drivers/net/benet/be.h index f693b9ed68a4..8cfe3c4fea04 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 344e062b7f25..408e1f2dd8e8 100644 --- a/drivers/net/benet/be_cmds.c +++ b/drivers/net/benet/be_cmds.c @@ -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; +} diff --git a/drivers/net/benet/be_cmds.h b/drivers/net/benet/be_cmds.h index 912a0586f060..3b69e71d7d03 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 46f087e3422b..79adcdd8fc5c 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 };