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author | Rahul Verma <Rahul.Verma@cavium.com> | 2017-07-26 06:07:13 -0700 |
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committer | David S. Miller <davem@davemloft.net> | 2017-07-27 00:05:22 -0700 |
commit | 477f2d1460a636abd08f03eafabe0c51366fa5de (patch) | |
tree | eb4fecbddf976c825a894e420e2e8e0db41a5e49 /drivers/net/ethernet/qlogic/qed/qed_sriov.c | |
parent | c3dc48f78638a4810678e64ddebf0839de8ea07e (diff) | |
download | linux-stable-477f2d1460a636abd08f03eafabe0c51366fa5de.tar.gz linux-stable-477f2d1460a636abd08f03eafabe0c51366fa5de.tar.bz2 linux-stable-477f2d1460a636abd08f03eafabe0c51366fa5de.zip |
qed: Add support for vf coalesce configuration.
This patch add the ethtool support to set RX/Tx coalesce
value to the VF associated Rx/Tx queues.
Signed-off-by: Rahul Verma <Rahul.Verma@cavium.com>
Signed-off-by: Yuval Mintz <yuval.mintz@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/qlogic/qed/qed_sriov.c')
-rw-r--r-- | drivers/net/ethernet/qlogic/qed/qed_sriov.c | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/drivers/net/ethernet/qlogic/qed/qed_sriov.c b/drivers/net/ethernet/qlogic/qed/qed_sriov.c index 2cfd3bd9a031..5feef783623b 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_sriov.c +++ b/drivers/net/ethernet/qlogic/qed/qed_sriov.c @@ -3400,6 +3400,86 @@ static void qed_iov_vf_mbx_release(struct qed_hwfn *p_hwfn, length, status); } +static void qed_iov_vf_pf_set_coalesce(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, + struct qed_vf_info *vf) +{ + struct qed_iov_vf_mbx *mbx = &vf->vf_mbx; + struct vfpf_update_coalesce *req; + u8 status = PFVF_STATUS_FAILURE; + struct qed_queue_cid *p_cid; + u16 rx_coal, tx_coal; + int rc = 0, i; + u16 qid; + + req = &mbx->req_virt->update_coalesce; + + rx_coal = req->rx_coal; + tx_coal = req->tx_coal; + qid = req->qid; + + if (!qed_iov_validate_rxq(p_hwfn, vf, qid, + QED_IOV_VALIDATE_Q_ENABLE) && rx_coal) { + DP_VERBOSE(p_hwfn, QED_MSG_IOV, + "VF[%d]: Invalid Rx queue_id = %d\n", + vf->abs_vf_id, qid); + goto out; + } + + if (!qed_iov_validate_txq(p_hwfn, vf, qid, + QED_IOV_VALIDATE_Q_ENABLE) && tx_coal) { + DP_VERBOSE(p_hwfn, QED_MSG_IOV, + "VF[%d]: Invalid Tx queue_id = %d\n", + vf->abs_vf_id, qid); + goto out; + } + + DP_VERBOSE(p_hwfn, + QED_MSG_IOV, + "VF[%d]: Setting coalesce for VF rx_coal = %d, tx_coal = %d at queue = %d\n", + vf->abs_vf_id, rx_coal, tx_coal, qid); + + if (rx_coal) { + p_cid = qed_iov_get_vf_rx_queue_cid(&vf->vf_queues[qid]); + + rc = qed_set_rxq_coalesce(p_hwfn, p_ptt, rx_coal, p_cid); + if (rc) { + DP_VERBOSE(p_hwfn, + QED_MSG_IOV, + "VF[%d]: Unable to set rx queue = %d coalesce\n", + vf->abs_vf_id, vf->vf_queues[qid].fw_rx_qid); + goto out; + } + } + + if (tx_coal) { + struct qed_vf_queue *p_queue = &vf->vf_queues[qid]; + + for (i = 0; i < MAX_QUEUES_PER_QZONE; i++) { + if (!p_queue->cids[i].p_cid) + continue; + + if (!p_queue->cids[i].b_is_tx) + continue; + + rc = qed_set_txq_coalesce(p_hwfn, p_ptt, tx_coal, + p_queue->cids[i].p_cid); + + if (rc) { + DP_VERBOSE(p_hwfn, + QED_MSG_IOV, + "VF[%d]: Unable to set tx queue coalesce\n", + vf->abs_vf_id); + goto out; + } + } + } + + status = PFVF_STATUS_SUCCESS; +out: + qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_COALESCE_UPDATE, + sizeof(struct pfvf_def_resp_tlv), status); +} static int qed_iov_vf_flr_poll_dorq(struct qed_hwfn *p_hwfn, struct qed_vf_info *p_vf, struct qed_ptt *p_ptt) @@ -3725,6 +3805,9 @@ static void qed_iov_process_mbx_req(struct qed_hwfn *p_hwfn, case CHANNEL_TLV_UPDATE_TUNN_PARAM: qed_iov_vf_mbx_update_tunn_param(p_hwfn, p_ptt, p_vf); break; + case CHANNEL_TLV_COALESCE_UPDATE: + qed_iov_vf_pf_set_coalesce(p_hwfn, p_ptt, p_vf); + break; } } else if (qed_iov_tlv_supported(mbx->first_tlv.tl.type)) { DP_VERBOSE(p_hwfn, QED_MSG_IOV, |