From: Sucheta Chakraborty Date: Tue, 17 Dec 2013 14:01:49 +0000 (-0500) Subject: qlcnic: Disable DCB operations from SR-IOV VFs. X-Git-Tag: v3.14-rc1~94^2~472^2~6 X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=3c44bba1d270cb1620b4fe76786d0968118cb86b;p=uclinux-h8%2Flinux.git qlcnic: Disable DCB operations from SR-IOV VFs. o These operations will be supported only through PFs (SR-IOV and non-SR-IOV). Signed-off-by: Sucheta Chakraborty Signed-off-by: Manish Chopra Signed-off-by: David S. Miller --- diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_init.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_init.c index 89208e5b25d6..8eb1288ca254 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_init.c +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_init.c @@ -2198,7 +2198,6 @@ static void qlcnic_83xx_init_rings(struct qlcnic_adapter *adapter) int qlcnic_83xx_init(struct qlcnic_adapter *adapter, int pci_using_dac) { struct qlcnic_hardware_context *ahw = adapter->ahw; - struct qlcnic_dcb *dcb; int err = 0; ahw->msix_supported = !!qlcnic_use_msi_x; @@ -2264,11 +2263,6 @@ int qlcnic_83xx_init(struct qlcnic_adapter *adapter, int pci_using_dac) if (err) goto disable_mbx_intr; - dcb = adapter->dcb; - - if (dcb && qlcnic_dcb_attach(dcb)) - qlcnic_clear_dcb_ops(dcb); - /* Periodically monitor device status */ qlcnic_83xx_idc_poll_dev_state(&adapter->fw_work.work); return 0; diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_dcb.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_dcb.c index 86bca7c14f99..c23308483cee 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_dcb.c +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_dcb.c @@ -260,6 +260,9 @@ int qlcnic_register_dcb(struct qlcnic_adapter *adapter) { struct qlcnic_dcb *dcb; + if (qlcnic_sriov_vf_check(adapter)) + return 0; + dcb = kzalloc(sizeof(struct qlcnic_dcb), GFP_ATOMIC); if (!dcb) return -ENOMEM; diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_dcb.h b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_dcb.h index c04ae0cdc108..6b6144def503 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_dcb.h +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_dcb.h @@ -121,4 +121,10 @@ static inline void qlcnic_dcb_init_dcbnl_ops(struct qlcnic_dcb *dcb) if (dcb && dcb->ops->init_dcbnl_ops) dcb->ops->init_dcbnl_ops(dcb); } + +static inline void qlcnic_dcb_enable(struct qlcnic_dcb *dcb) +{ + if (dcb && qlcnic_dcb_attach(dcb)) + qlcnic_clear_dcb_ops(dcb); +} #endif diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c index 05c1eef8df13..083941c14158 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c @@ -2212,7 +2212,6 @@ qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) struct qlcnic_hardware_context *ahw; int err, pci_using_dac = -1; char board_name[QLCNIC_MAX_BOARD_NAME_LEN + 19]; /* MAC + ": " + name */ - struct qlcnic_dcb *dcb; if (pdev->is_virtfn) return -ENODEV; @@ -2335,10 +2334,6 @@ qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) adapter->flags |= QLCNIC_NEED_FLR; - dcb = adapter->dcb; - - if (dcb && qlcnic_dcb_attach(dcb)) - qlcnic_clear_dcb_ops(dcb); } else if (qlcnic_83xx_check(adapter)) { qlcnic_83xx_check_vf(adapter, ent); adapter->portnum = adapter->ahw->pci_func; @@ -2367,6 +2362,8 @@ qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) goto err_out_free_hw; } + qlcnic_dcb_enable(adapter->dcb); + if (qlcnic_read_mac_addr(adapter)) dev_warn(&pdev->dev, "failed to read mac addr\n"); diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_common.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_common.c index 21a4b274d2e4..af5a108d9097 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_common.c +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_common.c @@ -500,7 +500,6 @@ static int qlcnic_sriov_vf_init_driver(struct qlcnic_adapter *adapter) static int qlcnic_sriov_setup_vf(struct qlcnic_adapter *adapter, int pci_using_dac) { - struct qlcnic_dcb *dcb; int err; INIT_LIST_HEAD(&adapter->vf_mc_list); @@ -538,11 +537,6 @@ static int qlcnic_sriov_setup_vf(struct qlcnic_adapter *adapter, if (err) goto err_out_send_channel_term; - dcb = adapter->dcb; - - if (dcb && qlcnic_dcb_attach(dcb)) - qlcnic_clear_dcb_ops(dcb); - err = qlcnic_setup_netdev(adapter, adapter->netdev, pci_using_dac); if (err) goto err_out_send_channel_term; @@ -1584,8 +1578,6 @@ static int qlcnic_sriov_vf_reinit_driver(struct qlcnic_adapter *adapter) if (err) goto err_out_term_channel; - qlcnic_dcb_get_info(adapter->dcb); - return 0; err_out_term_channel: diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_pf.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_pf.c index 686f460b1502..b679309147bb 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_pf.c +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_pf.c @@ -1299,8 +1299,6 @@ static const int qlcnic_pf_passthru_supp_cmds[] = { QLCNIC_CMD_GET_STATISTICS, QLCNIC_CMD_GET_PORT_CONFIG, QLCNIC_CMD_GET_LINK_STATUS, - QLCNIC_CMD_DCB_QUERY_CAP, - QLCNIC_CMD_DCB_QUERY_PARAM, QLCNIC_CMD_INIT_NIC_FUNC, QLCNIC_CMD_STOP_NIC_FUNC, };