diff options
Diffstat (limited to 'drivers/net/ethernet/qlogic/qed/qed_vf.c')
-rw-r--r-- | drivers/net/ethernet/qlogic/qed/qed_vf.c | 95 |
1 files changed, 67 insertions, 28 deletions
diff --git a/drivers/net/ethernet/qlogic/qed/qed_vf.c b/drivers/net/ethernet/qlogic/qed/qed_vf.c index 72e69c0..9819230 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_vf.c +++ b/drivers/net/ethernet/qlogic/qed/qed_vf.c @@ -117,36 +117,64 @@ exit: } #define VF_ACQUIRE_THRESH 3 -#define VF_ACQUIRE_MAC_FILTERS 1 +static void qed_vf_pf_acquire_reduce_resc(struct qed_hwfn *p_hwfn, + struct vf_pf_resc_request *p_req, + struct pf_vf_resc *p_resp) +{ + DP_VERBOSE(p_hwfn, + QED_MSG_IOV, + "PF unwilling to fullill resource request: rxq [%02x/%02x] txq [%02x/%02x] sbs [%02x/%02x] mac [%02x/%02x] vlan [%02x/%02x] mc [%02x/%02x]. Try PF recommended amount\n", + p_req->num_rxqs, + p_resp->num_rxqs, + p_req->num_rxqs, + p_resp->num_txqs, + p_req->num_sbs, + p_resp->num_sbs, + p_req->num_mac_filters, + p_resp->num_mac_filters, + p_req->num_vlan_filters, + p_resp->num_vlan_filters, + p_req->num_mc_filters, p_resp->num_mc_filters); + + /* humble our request */ + p_req->num_txqs = p_resp->num_txqs; + p_req->num_rxqs = p_resp->num_rxqs; + p_req->num_sbs = p_resp->num_sbs; + p_req->num_mac_filters = p_resp->num_mac_filters; + p_req->num_vlan_filters = p_resp->num_vlan_filters; + p_req->num_mc_filters = p_resp->num_mc_filters; +} static int qed_vf_pf_acquire(struct qed_hwfn *p_hwfn) { struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; struct pfvf_acquire_resp_tlv *resp = &p_iov->pf2vf_reply->acquire_resp; struct pf_vf_pfdev_info *pfdev_info = &resp->pfdev_info; - u8 rx_count = 1, tx_count = 1, num_sbs = 1; - u8 num_mac = VF_ACQUIRE_MAC_FILTERS; + struct vf_pf_resc_request *p_resc; bool resources_acquired = false; struct vfpf_acquire_tlv *req; int rc = 0, attempts = 0; /* clear mailbox and prep first tlv */ req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_ACQUIRE, sizeof(*req)); + p_resc = &req->resc_request; /* starting filling the request */ req->vfdev_info.opaque_fid = p_hwfn->hw_info.opaque_fid; - req->resc_request.num_rxqs = rx_count; - req->resc_request.num_txqs = tx_count; - req->resc_request.num_sbs = num_sbs; - req->resc_request.num_mac_filters = num_mac; - req->resc_request.num_vlan_filters = QED_ETH_VF_NUM_VLAN_FILTERS; + p_resc->num_rxqs = QED_MAX_VF_CHAINS_PER_PF; + p_resc->num_txqs = QED_MAX_VF_CHAINS_PER_PF; + p_resc->num_sbs = QED_MAX_VF_CHAINS_PER_PF; + p_resc->num_mac_filters = QED_ETH_VF_NUM_MAC_FILTERS; + p_resc->num_vlan_filters = QED_ETH_VF_NUM_VLAN_FILTERS; req->vfdev_info.os_type = VFPF_ACQUIRE_OS_LINUX; req->vfdev_info.fw_major = FW_MAJOR_VERSION; req->vfdev_info.fw_minor = FW_MINOR_VERSION; req->vfdev_info.fw_revision = FW_REVISION_VERSION; req->vfdev_info.fw_engineering = FW_ENGINEERING_VERSION; + req->vfdev_info.eth_fp_hsi_major = ETH_HSI_VER_MAJOR; + req->vfdev_info.eth_fp_hsi_minor = ETH_HSI_VER_MINOR; /* Fill capability field with any non-deprecated config we support */ req->vfdev_info.capabilities |= VFPF_ACQUIRE_CAP_100G; @@ -185,21 +213,21 @@ static int qed_vf_pf_acquire(struct qed_hwfn *p_hwfn) resources_acquired = true; } else if (resp->hdr.status == PFVF_STATUS_NO_RESOURCE && attempts < VF_ACQUIRE_THRESH) { - DP_VERBOSE(p_hwfn, - QED_MSG_IOV, - "PF unwilling to fullfill resource request. Try PF recommended amount\n"); - - /* humble our request */ - req->resc_request.num_txqs = resp->resc.num_txqs; - req->resc_request.num_rxqs = resp->resc.num_rxqs; - req->resc_request.num_sbs = resp->resc.num_sbs; - req->resc_request.num_mac_filters = - resp->resc.num_mac_filters; - req->resc_request.num_vlan_filters = - resp->resc.num_vlan_filters; + qed_vf_pf_acquire_reduce_resc(p_hwfn, p_resc, + &resp->resc); /* Clear response buffer */ memset(p_iov->pf2vf_reply, 0, sizeof(union pfvf_tlvs)); + } else if ((resp->hdr.status == PFVF_STATUS_NOT_SUPPORTED) && + pfdev_info->major_fp_hsi && + (pfdev_info->major_fp_hsi != ETH_HSI_VER_MAJOR)) { + DP_NOTICE(p_hwfn, + "PF uses an incompatible fastpath HSI %02x.%02x [VF requires %02x.%02x]. Please change to a VF driver using %02x.xx.\n", + pfdev_info->major_fp_hsi, + pfdev_info->minor_fp_hsi, + ETH_HSI_VER_MAJOR, + ETH_HSI_VER_MINOR, pfdev_info->major_fp_hsi); + return -EINVAL; } else { DP_ERR(p_hwfn, "PF returned error %d to VF acquisition request\n", @@ -225,6 +253,13 @@ static int qed_vf_pf_acquire(struct qed_hwfn *p_hwfn) } } + if (ETH_HSI_VER_MINOR && + (resp->pfdev_info.minor_fp_hsi < ETH_HSI_VER_MINOR)) { + DP_INFO(p_hwfn, + "PF is using older fastpath HSI; %02x.%02x is configured\n", + ETH_HSI_VER_MAJOR, resp->pfdev_info.minor_fp_hsi); + } + return 0; } @@ -405,8 +440,8 @@ int qed_vf_pf_txq_start(struct qed_hwfn *p_hwfn, u16 pbl_size, void __iomem **pp_doorbell) { struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info; + struct pfvf_start_queue_resp_tlv *resp; struct vfpf_start_txq_tlv *req; - struct pfvf_def_resp_tlv *resp; int rc; /* clear mailbox and prep first tlv */ @@ -424,20 +459,24 @@ int qed_vf_pf_txq_start(struct qed_hwfn *p_hwfn, qed_add_tlv(p_hwfn, &p_iov->offset, CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv)); - resp = &p_iov->pf2vf_reply->default_resp; + resp = &p_iov->pf2vf_reply->queue_start; rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp)); if (rc) - return rc; + goto exit; - if (resp->hdr.status != PFVF_STATUS_SUCCESS) - return -EINVAL; + if (resp->hdr.status != PFVF_STATUS_SUCCESS) { + rc = -EINVAL; + goto exit; + } if (pp_doorbell) { - u8 cid = p_iov->acquire_resp.resc.cid[tx_queue_id]; + *pp_doorbell = (u8 __iomem *)p_hwfn->doorbells + resp->offset; - *pp_doorbell = (u8 __iomem *)p_hwfn->doorbells + - qed_db_addr(cid, DQ_DEMS_LEGACY); + DP_VERBOSE(p_hwfn, QED_MSG_IOV, + "Txq[0x%02x]: doorbell at %p [offset 0x%08x]\n", + tx_queue_id, *pp_doorbell, resp->offset); } +exit: return rc; } |