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qlcnic: Enable VF flood bit on PF.

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o On enabling VF flood bit, PF driver will  be able to receive traffic
  from all its VFs.

Signed-off-by: Sucheta Chakraborty <sucheta.chakraborty@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Sucheta Chakraborty 2014-01-10 11:48:53 -05:00 committed by David S. Miller
parent 1414abea04
commit 820b52fd80
1 changed files with 30 additions and 0 deletions
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30
drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_pf.c
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@ -15,6 +15,8 @@
#define QLC_MAC_OPCODE_MASK 0x7
#define QLC_MAC_STAR_ADD 6
#define QLC_MAC_STAR_DEL 7
#define QLC_VF_FLOOD_BIT BIT_16
#define QLC_FLOOD_MODE 0x5
static int qlcnic_sriov_pf_get_vport_handle(struct qlcnic_adapter *, u8);
@ -347,6 +349,28 @@ static int qlcnic_sriov_pf_cfg_vlan_filtering(struct qlcnic_adapter *adapter,
return err;
}
/* On configuring VF flood bit, PFD will receive traffic from all VFs */
static int qlcnic_sriov_pf_cfg_flood(struct qlcnic_adapter *adapter)
{
struct qlcnic_cmd_args cmd;
int err;
err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_SET_NIC_INFO);
if (err)
return err;
cmd.req.arg[1] = QLC_FLOOD_MODE | QLC_VF_FLOOD_BIT;
err = qlcnic_issue_cmd(adapter, &cmd);
if (err)
dev_err(&adapter->pdev->dev,
"Failed to configure VF Flood bit on PF, err=%d\n",
err);
qlcnic_free_mbx_args(&cmd);
return err;
}
static int qlcnic_sriov_pf_cfg_eswitch(struct qlcnic_adapter *adapter,
u8 func, u8 enable)
{
@ -474,6 +498,12 @@ static int qlcnic_sriov_pf_init(struct qlcnic_adapter *adapter)
if (err)
return err;
if (qlcnic_84xx_check(adapter)) {
err = qlcnic_sriov_pf_cfg_flood(adapter);
if (err)
goto disable_vlan_filtering;
}
err = qlcnic_sriov_pf_cfg_eswitch(adapter, func, 1);
if (err)
goto disable_vlan_filtering;