From: Mintz, Yuval Date: Sun, 1 Jan 2017 11:57:08 +0000 (+0200) Subject: qed*: Add support for ndo_set_vf_trust X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=f990c82c385b1d9ce6acadb668df313c693cf48f;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git qed*: Add support for ndo_set_vf_trust Trusted VFs would be allowed to receive promiscuous and multicast promiscuous data. Signed-off-by: Yuval Mintz Signed-off-by: David S. Miller --- diff --git a/drivers/net/ethernet/qlogic/qed/qed_sriov.c b/drivers/net/ethernet/qlogic/qed/qed_sriov.c index b22baf5e5daf..b1213643bbfd 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_sriov.c +++ b/drivers/net/ethernet/qlogic/qed/qed_sriov.c @@ -1225,6 +1225,9 @@ static void qed_iov_clean_vf(struct qed_hwfn *p_hwfn, u8 vfid) /* Clear the VF mac */ memset(vf_info->mac, 0, ETH_ALEN); + + vf_info->rx_accept_mode = 0; + vf_info->tx_accept_mode = 0; } static void qed_iov_vf_cleanup(struct qed_hwfn *p_hwfn, @@ -2433,6 +2436,39 @@ qed_iov_vp_update_sge_tpa_param(struct qed_hwfn *p_hwfn, *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_SGE_TPA; } +static int qed_iov_pre_update_vport(struct qed_hwfn *hwfn, + u8 vfid, + struct qed_sp_vport_update_params *params, + u16 *tlvs) +{ + u8 mask = QED_ACCEPT_UCAST_UNMATCHED | QED_ACCEPT_MCAST_UNMATCHED; + struct qed_filter_accept_flags *flags = ¶ms->accept_flags; + struct qed_public_vf_info *vf_info; + + /* Untrusted VFs can't even be trusted to know that fact. + * Simply indicate everything is configured fine, and trace + * configuration 'behind their back'. + */ + if (!(*tlvs & BIT(QED_IOV_VP_UPDATE_ACCEPT_PARAM))) + return 0; + + vf_info = qed_iov_get_public_vf_info(hwfn, vfid, true); + + if (flags->update_rx_mode_config) { + vf_info->rx_accept_mode = flags->rx_accept_filter; + if (!vf_info->is_trusted_configured) + flags->rx_accept_filter &= ~mask; + } + + if (flags->update_tx_mode_config) { + vf_info->tx_accept_mode = flags->tx_accept_filter; + if (!vf_info->is_trusted_configured) + flags->tx_accept_filter &= ~mask; + } + + return 0; +} + static void qed_iov_vf_mbx_vport_update(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, struct qed_vf_info *vf) @@ -2487,6 +2523,13 @@ static void qed_iov_vf_mbx_vport_update(struct qed_hwfn *p_hwfn, qed_iov_vp_update_rss_param(p_hwfn, vf, ¶ms, p_rss_params, mbx, &tlvs_mask, &tlvs_accepted); + if (qed_iov_pre_update_vport(p_hwfn, vf->relative_vf_id, + ¶ms, &tlvs_accepted)) { + tlvs_accepted = 0; + status = PFVF_STATUS_NOT_SUPPORTED; + goto out; + } + if (!tlvs_accepted) { if (tlvs_mask) DP_VERBOSE(p_hwfn, QED_MSG_IOV, @@ -3936,6 +3979,32 @@ static int qed_set_vf_rate(struct qed_dev *cdev, return 0; } +static int qed_set_vf_trust(struct qed_dev *cdev, int vfid, bool trust) +{ + int i; + + for_each_hwfn(cdev, i) { + struct qed_hwfn *hwfn = &cdev->hwfns[i]; + struct qed_public_vf_info *vf; + + if (!qed_iov_pf_sanity_check(hwfn, vfid)) { + DP_NOTICE(hwfn, + "SR-IOV sanity check failed, can't set trust\n"); + return -EINVAL; + } + + vf = qed_iov_get_public_vf_info(hwfn, vfid, true); + + if (vf->is_trusted_request == trust) + return 0; + vf->is_trusted_request = trust; + + qed_schedule_iov(hwfn, QED_IOV_WQ_TRUST_FLAG); + } + + return 0; +} + static void qed_handle_vf_msg(struct qed_hwfn *hwfn) { u64 events[QED_VF_ARRAY_LENGTH]; @@ -4040,6 +4109,61 @@ static void qed_handle_bulletin_post(struct qed_hwfn *hwfn) qed_ptt_release(hwfn, ptt); } +static void qed_iov_handle_trust_change(struct qed_hwfn *hwfn) +{ + struct qed_sp_vport_update_params params; + struct qed_filter_accept_flags *flags; + struct qed_public_vf_info *vf_info; + struct qed_vf_info *vf; + u8 mask; + int i; + + mask = QED_ACCEPT_UCAST_UNMATCHED | QED_ACCEPT_MCAST_UNMATCHED; + flags = ¶ms.accept_flags; + + qed_for_each_vf(hwfn, i) { + /* Need to make sure current requested configuration didn't + * flip so that we'll end up configuring something that's not + * needed. + */ + vf_info = qed_iov_get_public_vf_info(hwfn, i, true); + if (vf_info->is_trusted_configured == + vf_info->is_trusted_request) + continue; + vf_info->is_trusted_configured = vf_info->is_trusted_request; + + /* Validate that the VF has a configured vport */ + vf = qed_iov_get_vf_info(hwfn, i, true); + if (!vf->vport_instance) + continue; + + memset(¶ms, 0, sizeof(params)); + params.opaque_fid = vf->opaque_fid; + params.vport_id = vf->vport_id; + + if (vf_info->rx_accept_mode & mask) { + flags->update_rx_mode_config = 1; + flags->rx_accept_filter = vf_info->rx_accept_mode; + } + + if (vf_info->tx_accept_mode & mask) { + flags->update_tx_mode_config = 1; + flags->tx_accept_filter = vf_info->tx_accept_mode; + } + + /* Remove if needed; Otherwise this would set the mask */ + if (!vf_info->is_trusted_configured) { + flags->rx_accept_filter &= ~mask; + flags->tx_accept_filter &= ~mask; + } + + if (flags->update_rx_mode_config || + flags->update_tx_mode_config) + qed_sp_vport_update(hwfn, ¶ms, + QED_SPQ_MODE_EBLOCK, NULL); + } +} + static void qed_iov_pf_task(struct work_struct *work) { @@ -4075,6 +4199,9 @@ static void qed_iov_pf_task(struct work_struct *work) if (test_and_clear_bit(QED_IOV_WQ_BULLETIN_UPDATE_FLAG, &hwfn->iov_task_flags)) qed_handle_bulletin_post(hwfn); + + if (test_and_clear_bit(QED_IOV_WQ_TRUST_FLAG, &hwfn->iov_task_flags)) + qed_iov_handle_trust_change(hwfn); } void qed_iov_wq_stop(struct qed_dev *cdev, bool schedule_first) @@ -4137,4 +4264,5 @@ const struct qed_iov_hv_ops qed_iov_ops_pass = { .set_link_state = &qed_set_vf_link_state, .set_spoof = &qed_spoof_configure, .set_rate = &qed_set_vf_rate, + .set_trust = &qed_set_vf_trust, }; diff --git a/drivers/net/ethernet/qlogic/qed/qed_sriov.h b/drivers/net/ethernet/qlogic/qed/qed_sriov.h index 1738d5bd2e8e..0a2e3a36d2cf 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_sriov.h +++ b/drivers/net/ethernet/qlogic/qed/qed_sriov.h @@ -80,6 +80,14 @@ struct qed_public_vf_info { /* Currently configured Tx rate in MB/sec. 0 if unconfigured */ int tx_rate; + + /* Trusted VFs can configure promiscuous mode. + * Also store shadow promisc configuration if needed. + */ + bool is_trusted_configured; + bool is_trusted_request; + u8 rx_accept_mode; + u8 tx_accept_mode; }; struct qed_iov_vf_init_params { @@ -245,6 +253,7 @@ enum qed_iov_wq_flag { QED_IOV_WQ_BULLETIN_UPDATE_FLAG, QED_IOV_WQ_STOP_WQ_FLAG, QED_IOV_WQ_FLR_FLAG, + QED_IOV_WQ_TRUST_FLAG, }; #ifdef CONFIG_QED_SRIOV diff --git a/drivers/net/ethernet/qlogic/qede/qede_filter.c b/drivers/net/ethernet/qlogic/qede/qede_filter.c index 03e2a81b30c6..107c3fda4792 100644 --- a/drivers/net/ethernet/qlogic/qede/qede_filter.c +++ b/drivers/net/ethernet/qlogic/qede/qede_filter.c @@ -714,11 +714,13 @@ void qede_config_rx_mode(struct net_device *ndev) goto out; /* Check for promiscuous */ - if ((ndev->flags & IFF_PROMISC) || - (uc_count > edev->dev_info.num_mac_filters - 1)) { + if (ndev->flags & IFF_PROMISC) accept_flags = QED_FILTER_RX_MODE_TYPE_PROMISC; - } else { - /* Add MAC filters according to the unicast secondary macs */ + else + accept_flags = QED_FILTER_RX_MODE_TYPE_REGULAR; + + /* Configure all filters regardless, in case promisc is rejected */ + if (uc_count < edev->dev_info.num_mac_filters) { int i; temp = uc_macs; @@ -731,12 +733,14 @@ void qede_config_rx_mode(struct net_device *ndev) temp += ETH_ALEN; } - - rc = qede_configure_mcast_filtering(ndev, &accept_flags); - if (rc) - goto out; + } else { + accept_flags = QED_FILTER_RX_MODE_TYPE_PROMISC; } + rc = qede_configure_mcast_filtering(ndev, &accept_flags); + if (rc) + goto out; + /* take care of VLAN mode */ if (ndev->flags & IFF_PROMISC) { qede_config_accept_any_vlan(edev, true); diff --git a/drivers/net/ethernet/qlogic/qede/qede_main.c b/drivers/net/ethernet/qlogic/qede/qede_main.c index 88d47d6f35ac..b58509feecd5 100644 --- a/drivers/net/ethernet/qlogic/qede/qede_main.c +++ b/drivers/net/ethernet/qlogic/qede/qede_main.c @@ -475,6 +475,16 @@ static int qede_set_vf_link_state(struct net_device *dev, int vfidx, return edev->ops->iov->set_link_state(edev->cdev, vfidx, link_state); } + +static int qede_set_vf_trust(struct net_device *dev, int vfidx, bool setting) +{ + struct qede_dev *edev = netdev_priv(dev); + + if (!edev->ops) + return -EINVAL; + + return edev->ops->iov->set_trust(edev->cdev, vfidx, setting); +} #endif static const struct net_device_ops qede_netdev_ops = { @@ -488,6 +498,7 @@ static const struct net_device_ops qede_netdev_ops = { #ifdef CONFIG_QED_SRIOV .ndo_set_vf_mac = qede_set_vf_mac, .ndo_set_vf_vlan = qede_set_vf_vlan, + .ndo_set_vf_trust = qede_set_vf_trust, #endif .ndo_vlan_rx_add_vid = qede_vlan_rx_add_vid, .ndo_vlan_rx_kill_vid = qede_vlan_rx_kill_vid, diff --git a/include/linux/qed/qed_iov_if.h b/include/linux/qed/qed_iov_if.h index b1f979135f97..ac2e6a3199a3 100644 --- a/include/linux/qed/qed_iov_if.h +++ b/include/linux/qed/qed_iov_if.h @@ -53,6 +53,8 @@ struct qed_iov_hv_ops { int (*set_rate) (struct qed_dev *cdev, int vfid, u32 min_rate, u32 max_rate); + + int (*set_trust) (struct qed_dev *cdev, int vfid, bool trust); }; #endif