be2net: implement ethtool set/get_channel hooks
Support is provided only for combined channels. When SR-IOV is not enabled, BE3 supports upto 16 channels and Lancer-R/SH-R support upto 32 channels. Signed-off-by: Sathya Perla <sathya.perla@emulex.com> Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Sathya Perla
David S. Miller
Родитель
7707133ceb
Коммит
68d7bdcb4c
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@ -99,16 +99,17 @@ static inline char *nic_name(struct pci_dev *pdev)
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#define MCC_Q_LEN 128 /* total size not to exceed 8 pages */
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#define MCC_CQ_LEN 256
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#define BE3_MAX_RSS_QS 8
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#define BE2_MAX_RSS_QS 4
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#define BE3_MAX_TX_QS 8
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#define MAX_RSS_QS BE3_MAX_RSS_QS
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#define MAX_RX_QS (MAX_RSS_QS + 1) /* RSS qs + 1 def Rx */
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#define MAX_EVT_QS MAX_RSS_QS
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#define BE3_MAX_RSS_QS 16
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#define BE3_MAX_TX_QS 16
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#define BE3_MAX_EVT_QS 16
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#define MAX_RX_QS 32
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#define MAX_EVT_QS 32
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#define MAX_TX_QS 32
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#define MAX_TX_QS 8
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#define MAX_ROCE_EQS 5
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#define MAX_MSIX_VECTORS (MAX_RSS_QS + MAX_ROCE_EQS) /* RSS qs + RoCE */
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#define MAX_MSIX_VECTORS 32
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#define MIN_MSIX_VECTORS 1
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#define BE_TX_BUDGET 256
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#define BE_NAPI_WEIGHT 64
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@ -701,6 +702,8 @@ extern int be_load_fw(struct be_adapter *adapter, u8 *func);
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extern bool be_is_wol_supported(struct be_adapter *adapter);
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extern bool be_pause_supported(struct be_adapter *adapter);
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extern u32 be_get_fw_log_level(struct be_adapter *adapter);
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int be_update_queues(struct be_adapter *adapter);
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int be_poll(struct napi_struct *napi, int budget);
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/*
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* internal function to initialize-cleanup roce device.
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@ -1119,6 +1119,29 @@ static int be_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd)
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return status;
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}
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static void be_get_channels(struct net_device *netdev,
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struct ethtool_channels *ch)
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{
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struct be_adapter *adapter = netdev_priv(netdev);
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ch->combined_count = adapter->num_evt_qs;
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ch->max_combined = be_max_qs(adapter);
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}
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static int be_set_channels(struct net_device *netdev,
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struct ethtool_channels *ch)
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{
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struct be_adapter *adapter = netdev_priv(netdev);
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if (ch->rx_count || ch->tx_count || ch->other_count ||
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!ch->combined_count || ch->combined_count > be_max_qs(adapter))
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return -EINVAL;
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adapter->cfg_num_qs = ch->combined_count;
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return be_update_queues(adapter);
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}
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const struct ethtool_ops be_ethtool_ops = {
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.get_settings = be_get_settings,
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.get_drvinfo = be_get_drvinfo,
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@ -1145,4 +1168,6 @@ const struct ethtool_ops be_ethtool_ops = {
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.self_test = be_self_test,
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.get_rxnfc = be_get_rxnfc,
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.set_rxnfc = be_set_rxnfc,
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.get_channels = be_get_channels,
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.set_channels = be_set_channels
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};
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@ -1913,6 +1913,7 @@ static void be_evt_queues_destroy(struct be_adapter *adapter)
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if (eqo->q.created) {
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be_eq_clean(eqo);
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be_cmd_q_destroy(adapter, &eqo->q, QTYPE_EQ);
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netif_napi_del(&eqo->napi);
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}
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be_queue_free(adapter, &eqo->q);
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}
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@ -1928,6 +1929,8 @@ static int be_evt_queues_create(struct be_adapter *adapter)
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adapter->cfg_num_qs);
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for_all_evt_queues(adapter, eqo, i) {
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netif_napi_add(adapter->netdev, &eqo->napi, be_poll,
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BE_NAPI_WEIGHT);
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eqo->adapter = adapter;
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eqo->tx_budget = BE_TX_BUDGET;
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eqo->idx = i;
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@ -2021,12 +2024,6 @@ static int be_tx_qs_create(struct be_adapter *adapter)
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int status, i;
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adapter->num_tx_qs = min(adapter->num_evt_qs, be_max_txqs(adapter));
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if (adapter->num_tx_qs != MAX_TX_QS) {
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rtnl_lock();
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netif_set_real_num_tx_queues(adapter->netdev,
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adapter->num_tx_qs);
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rtnl_unlock();
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}
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for_all_tx_queues(adapter, txo, i) {
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cq = &txo->cq;
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@ -2087,13 +2084,6 @@ static int be_rx_cqs_create(struct be_adapter *adapter)
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if (adapter->num_rx_qs > 1)
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adapter->num_rx_qs++;
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if (adapter->num_rx_qs != MAX_RX_QS) {
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rtnl_lock();
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netif_set_real_num_rx_queues(adapter->netdev,
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adapter->num_rx_qs);
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rtnl_unlock();
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}
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adapter->big_page_size = (1 << get_order(rx_frag_size)) * PAGE_SIZE;
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for_all_rx_queues(adapter, rxo, i) {
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rxo->adapter = adapter;
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@ -2244,7 +2234,7 @@ static bool be_process_tx(struct be_adapter *adapter, struct be_tx_obj *txo,
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return (work_done < budget); /* Done */
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}
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static int be_poll(struct napi_struct *napi, int budget)
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int be_poll(struct napi_struct *napi, int budget)
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{
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struct be_eq_obj *eqo = container_of(napi, struct be_eq_obj, napi);
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struct be_adapter *adapter = eqo->adapter;
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@ -2356,6 +2346,7 @@ static void be_msix_disable(struct be_adapter *adapter)
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if (msix_enabled(adapter)) {
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pci_disable_msix(adapter->pdev);
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adapter->num_msix_vec = 0;
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adapter->num_msix_roce_vec = 0;
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}
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}
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@ -2771,14 +2762,19 @@ static void be_clear_queues(struct be_adapter *adapter)
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be_evt_queues_destroy(adapter);
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}
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static int be_clear(struct be_adapter *adapter)
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static void be_cancel_worker(struct be_adapter *adapter)
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{
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int i;
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if (adapter->flags & BE_FLAGS_WORKER_SCHEDULED) {
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cancel_delayed_work_sync(&adapter->work);
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adapter->flags &= ~BE_FLAGS_WORKER_SCHEDULED;
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}
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}
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static int be_clear(struct be_adapter *adapter)
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{
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int i;
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be_cancel_worker(adapter);
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if (sriov_enabled(adapter))
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be_vf_clear(adapter);
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@ -2982,7 +2978,7 @@ static void BEx_get_resources(struct be_adapter *adapter,
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BE3_MAX_RSS_QS : BE2_MAX_RSS_QS;
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res->max_rx_qs = res->max_rss_qs + 1;
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res->max_evt_qs = be_physfn(adapter) ? MAX_EVT_QS : 1;
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res->max_evt_qs = be_physfn(adapter) ? BE3_MAX_EVT_QS : 1;
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res->if_cap_flags = BE_IF_CAP_FLAGS_WANT;
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if (!(adapter->function_caps & BE_FUNCTION_CAPS_RSS))
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@ -3108,8 +3104,15 @@ static int be_mac_setup(struct be_adapter *adapter)
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return 0;
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}
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static void be_schedule_worker(struct be_adapter *adapter)
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{
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schedule_delayed_work(&adapter->work, msecs_to_jiffies(1000));
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adapter->flags |= BE_FLAGS_WORKER_SCHEDULED;
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}
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static int be_setup_queues(struct be_adapter *adapter)
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{
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struct net_device *netdev = adapter->netdev;
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int status;
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status = be_evt_queues_create(adapter);
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@ -3128,12 +3131,56 @@ static int be_setup_queues(struct be_adapter *adapter)
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if (status)
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goto err;
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status = netif_set_real_num_rx_queues(netdev, adapter->num_rx_qs);
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if (status)
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goto err;
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status = netif_set_real_num_tx_queues(netdev, adapter->num_tx_qs);
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if (status)
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goto err;
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return 0;
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err:
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dev_err(&adapter->pdev->dev, "queue_setup failed\n");
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return status;
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}
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int be_update_queues(struct be_adapter *adapter)
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{
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struct net_device *netdev = adapter->netdev;
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int status;
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if (netif_running(netdev))
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be_close(netdev);
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be_cancel_worker(adapter);
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/* If any vectors have been shared with RoCE we cannot re-program
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* the MSIx table.
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*/
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if (!adapter->num_msix_roce_vec)
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be_msix_disable(adapter);
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be_clear_queues(adapter);
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if (!msix_enabled(adapter)) {
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status = be_msix_enable(adapter);
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if (status)
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return status;
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}
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status = be_setup_queues(adapter);
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if (status)
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return status;
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be_schedule_worker(adapter);
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if (netif_running(netdev))
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status = be_open(netdev);
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return status;
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}
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static int be_setup(struct be_adapter *adapter)
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{
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struct device *dev = &adapter->pdev->dev;
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@ -3163,7 +3210,10 @@ static int be_setup(struct be_adapter *adapter)
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if (status)
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goto err;
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/* Updating real_num_tx/rx_queues() requires rtnl_lock() */
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rtnl_lock();
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status = be_setup_queues(adapter);
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rtnl_unlock();
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if (status)
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goto err;
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@ -3202,8 +3252,7 @@ static int be_setup(struct be_adapter *adapter)
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if (!status && be_pause_supported(adapter))
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adapter->phy.fc_autoneg = 1;
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schedule_delayed_work(&adapter->work, msecs_to_jiffies(1000));
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adapter->flags |= BE_FLAGS_WORKER_SCHEDULED;
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be_schedule_worker(adapter);
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return 0;
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err:
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be_clear(adapter);
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@ -3769,8 +3818,6 @@ static const struct net_device_ops be_netdev_ops = {
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static void be_netdev_init(struct net_device *netdev)
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{
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struct be_adapter *adapter = netdev_priv(netdev);
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struct be_eq_obj *eqo;
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int i;
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netdev->hw_features |= NETIF_F_SG | NETIF_F_TSO | NETIF_F_TSO6 |
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NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | NETIF_F_RXCSUM |
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@ -3793,9 +3840,6 @@ static void be_netdev_init(struct net_device *netdev)
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netdev->netdev_ops = &be_netdev_ops;
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SET_ETHTOOL_OPS(netdev, &be_ethtool_ops);
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for_all_evt_queues(adapter, eqo, i)
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netif_napi_add(netdev, &eqo->napi, be_poll, BE_NAPI_WEIGHT);
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}
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static void be_unmap_pci_bars(struct be_adapter *adapter)
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