diff options
Diffstat (limited to 'drivers/net/ethernet/intel/ice/ice_ethtool.c')
| -rw-r--r-- | drivers/net/ethernet/intel/ice/ice_ethtool.c | 524 |
1 files changed, 457 insertions, 67 deletions
diff --git a/drivers/net/ethernet/intel/ice/ice_ethtool.c b/drivers/net/ethernet/intel/ice/ice_ethtool.c index 7e23034df955..aec3c6c379df 100644 --- a/drivers/net/ethernet/intel/ice/ice_ethtool.c +++ b/drivers/net/ethernet/intel/ice/ice_ethtool.c @@ -156,6 +156,7 @@ struct ice_priv_flag { static const struct ice_priv_flag ice_gstrings_priv_flags[] = { ICE_PRIV_FLAG("link-down-on-close", ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA), ICE_PRIV_FLAG("fw-lldp-agent", ICE_FLAG_FW_LLDP_AGENT), + ICE_PRIV_FLAG("legacy-rx", ICE_FLAG_LEGACY_RX), }; #define ICE_PRIV_FLAG_ARRAY_SIZE ARRAY_SIZE(ice_gstrings_priv_flags) @@ -247,7 +248,7 @@ ice_get_eeprom(struct net_device *netdev, struct ethtool_eeprom *eeprom, int ret = 0; u16 *buf; - dev = &pf->pdev->dev; + dev = ice_pf_to_dev(pf); eeprom->magic = hw->vendor_id | (hw->device_id << 16); @@ -342,6 +343,7 @@ static u64 ice_eeprom_test(struct net_device *netdev) static int ice_reg_pattern_test(struct ice_hw *hw, u32 reg, u32 mask) { struct ice_pf *pf = (struct ice_pf *)hw->back; + struct device *dev = ice_pf_to_dev(pf); static const u32 patterns[] = { 0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF @@ -357,7 +359,7 @@ static int ice_reg_pattern_test(struct ice_hw *hw, u32 reg, u32 mask) val = rd32(hw, reg); if (val == pattern) continue; - dev_err(&pf->pdev->dev, + dev_err(dev, "%s: reg pattern test failed - reg 0x%08x pat 0x%08x val 0x%08x\n" , __func__, reg, pattern, val); return 1; @@ -366,7 +368,7 @@ static int ice_reg_pattern_test(struct ice_hw *hw, u32 reg, u32 mask) wr32(hw, reg, orig_val); val = rd32(hw, reg); if (val != orig_val) { - dev_err(&pf->pdev->dev, + dev_err(dev, "%s: reg restore test failed - reg 0x%08x orig 0x%08x val 0x%08x\n" , __func__, reg, orig_val, val); return 1; @@ -506,7 +508,7 @@ static int ice_lbtest_create_frame(struct ice_pf *pf, u8 **ret_data, u16 size) if (!pf) return -EINVAL; - data = devm_kzalloc(&pf->pdev->dev, size, GFP_KERNEL); + data = devm_kzalloc(ice_pf_to_dev(pf), size, GFP_KERNEL); if (!data) return -ENOMEM; @@ -623,7 +625,7 @@ static int ice_lbtest_receive_frames(struct ice_ring *rx_ring) continue; rx_buf = &rx_ring->rx_buf[i]; - received_buf = page_address(rx_buf->page); + received_buf = page_address(rx_buf->page) + rx_buf->page_offset; if (ice_lbtest_check_frame(received_buf)) valid_frames++; @@ -648,9 +650,11 @@ static u64 ice_loopback_test(struct net_device *netdev) u8 broadcast[ETH_ALEN], ret = 0; int num_frames, valid_frames; LIST_HEAD(tmp_list); + struct device *dev; u8 *tx_frame; int i; + dev = ice_pf_to_dev(pf); netdev_info(netdev, "loopback test\n"); test_vsi = ice_lb_vsi_setup(pf, pf->hw.port_info); @@ -711,12 +715,12 @@ static u64 ice_loopback_test(struct net_device *netdev) ret = 10; lbtest_free_frame: - devm_kfree(&pf->pdev->dev, tx_frame); + devm_kfree(dev, tx_frame); remove_mac_filters: if (ice_remove_mac(&pf->hw, &tmp_list)) netdev_err(netdev, "Could not remove MAC filter for the test VSI"); free_mac_list: - ice_free_fltr_list(&pf->pdev->dev, &tmp_list); + ice_free_fltr_list(dev, &tmp_list); lbtest_mac_dis: /* Disable MAC loopback after the test is completed. */ if (ice_aq_set_mac_loopback(&pf->hw, false, NULL)) @@ -773,6 +777,9 @@ ice_self_test(struct net_device *netdev, struct ethtool_test *eth_test, struct ice_netdev_priv *np = netdev_priv(netdev); bool if_running = netif_running(netdev); struct ice_pf *pf = np->vsi->back; + struct device *dev; + + dev = ice_pf_to_dev(pf); if (eth_test->flags == ETH_TEST_FL_OFFLINE) { netdev_info(netdev, "offline testing starting\n"); @@ -780,7 +787,7 @@ ice_self_test(struct net_device *netdev, struct ethtool_test *eth_test, set_bit(__ICE_TESTING, pf->state); if (ice_active_vfs(pf)) { - dev_warn(&pf->pdev->dev, + dev_warn(dev, "Please take active VFs and Netqueues offline and restart the adapter before running NIC diagnostics\n"); data[ICE_ETH_TEST_REG] = 1; data[ICE_ETH_TEST_EEPROM] = 1; @@ -815,8 +822,7 @@ ice_self_test(struct net_device *netdev, struct ethtool_test *eth_test, int status = ice_open(netdev); if (status) { - dev_err(&pf->pdev->dev, - "Could not open device %s, err %d", + dev_err(dev, "Could not open device %s, err %d", pf->int_name, status); } } @@ -961,7 +967,7 @@ static int ice_set_fec_cfg(struct net_device *netdev, enum ice_fec_mode req_fec) } /* Get last SW configuration */ - caps = devm_kzalloc(&vsi->back->pdev->dev, sizeof(*caps), GFP_KERNEL); + caps = kzalloc(sizeof(*caps), GFP_KERNEL); if (!caps) return -ENOMEM; @@ -1006,7 +1012,7 @@ static int ice_set_fec_cfg(struct net_device *netdev, enum ice_fec_mode req_fec) } done: - devm_kfree(&vsi->back->pdev->dev, caps); + kfree(caps); return err; } @@ -1082,7 +1088,7 @@ ice_get_fecparam(struct net_device *netdev, struct ethtool_fecparam *fecparam) break; } - caps = devm_kzalloc(&vsi->back->pdev->dev, sizeof(*caps), GFP_KERNEL); + caps = kzalloc(sizeof(*caps), GFP_KERNEL); if (!caps) return -ENOMEM; @@ -1109,7 +1115,7 @@ ice_get_fecparam(struct net_device *netdev, struct ethtool_fecparam *fecparam) fecparam->fec |= ETHTOOL_FEC_OFF; done: - devm_kfree(&vsi->back->pdev->dev, caps); + kfree(caps); return err; } @@ -1154,12 +1160,14 @@ static int ice_set_priv_flags(struct net_device *netdev, u32 flags) DECLARE_BITMAP(orig_flags, ICE_PF_FLAGS_NBITS); struct ice_vsi *vsi = np->vsi; struct ice_pf *pf = vsi->back; + struct device *dev; int ret = 0; u32 i; if (flags > BIT(ICE_PRIV_FLAG_ARRAY_SIZE)) return -EINVAL; + dev = ice_pf_to_dev(pf); set_bit(ICE_FLAG_ETHTOOL_CTXT, pf->flags); bitmap_copy(orig_flags, pf->flags, ICE_PF_FLAGS_NBITS); @@ -1188,7 +1196,7 @@ static int ice_set_priv_flags(struct net_device *netdev, u32 flags) * events to respond to. */ if (status) - dev_info(&pf->pdev->dev, + dev_info(dev, "Failed to unreg for LLDP events\n"); /* The AQ call to stop the FW LLDP agent will generate @@ -1196,20 +1204,14 @@ static int ice_set_priv_flags(struct net_device *netdev, u32 flags) */ status = ice_aq_stop_lldp(&pf->hw, true, true, NULL); if (status) - dev_warn(&pf->pdev->dev, - "Fail to stop LLDP agent\n"); + dev_warn(dev, "Fail to stop LLDP agent\n"); /* Use case for having the FW LLDP agent stopped * will likely not need DCB, so failure to init is * not a concern of ethtool */ status = ice_init_pf_dcb(pf, true); if (status) - dev_warn(&pf->pdev->dev, "Fail to init DCB\n"); - - /* Forward LLDP packets to default VSI so that they - * are passed up the stack - */ - ice_cfg_sw_lldp(vsi, false, true); + dev_warn(dev, "Fail to init DCB\n"); } else { enum ice_status status; bool dcbx_agent_status; @@ -1219,8 +1221,7 @@ static int ice_set_priv_flags(struct net_device *netdev, u32 flags) */ status = ice_aq_start_lldp(&pf->hw, true, NULL); if (status) - dev_warn(&pf->pdev->dev, - "Fail to start LLDP Agent\n"); + dev_warn(dev, "Fail to start LLDP Agent\n"); /* AQ command to start FW DCBX agent will fail if * the agent is already started @@ -1229,10 +1230,9 @@ static int ice_set_priv_flags(struct net_device *netdev, u32 flags) &dcbx_agent_status, NULL); if (status) - dev_dbg(&pf->pdev->dev, - "Failed to start FW DCBX\n"); + dev_dbg(dev, "Failed to start FW DCBX\n"); - dev_info(&pf->pdev->dev, "FW DCBX agent is %s\n", + dev_info(dev, "FW DCBX agent is %s\n", dcbx_agent_status ? "ACTIVE" : "DISABLED"); /* Failure to configure MIB change or init DCB is not @@ -1242,7 +1242,7 @@ static int ice_set_priv_flags(struct net_device *netdev, u32 flags) */ status = ice_init_pf_dcb(pf, true); if (status) - dev_dbg(&pf->pdev->dev, "Fail to init DCB\n"); + dev_dbg(dev, "Fail to init DCB\n"); /* Remove rule to direct LLDP packets to default VSI. * The FW LLDP engine will now be consuming them. @@ -1252,10 +1252,15 @@ static int ice_set_priv_flags(struct net_device *netdev, u32 flags) /* Register for MIB change events */ status = ice_cfg_lldp_mib_change(&pf->hw, true); if (status) - dev_dbg(&pf->pdev->dev, + dev_dbg(dev, "Fail to enable MIB change events\n"); } } + if (test_bit(ICE_FLAG_LEGACY_RX, change_flags)) { + /* down and up VSI so that changes of Rx cfg are reflected. */ + ice_down(vsi); + ice_up(vsi); + } clear_bit(ICE_FLAG_ETHTOOL_CTXT, pf->flags); return ret; } @@ -2140,7 +2145,7 @@ ice_get_link_ksettings(struct net_device *netdev, /* flow control is symmetric and always supported */ ethtool_link_ksettings_add_link_mode(ks, supported, Pause); - caps = devm_kzalloc(&vsi->back->pdev->dev, sizeof(*caps), GFP_KERNEL); + caps = kzalloc(sizeof(*caps), GFP_KERNEL); if (!caps) return -ENOMEM; @@ -2198,7 +2203,7 @@ ice_get_link_ksettings(struct net_device *netdev, ethtool_link_ksettings_add_link_mode(ks, supported, FEC_RS); done: - devm_kfree(&vsi->back->pdev->dev, caps); + kfree(caps); return err; } @@ -2427,8 +2432,7 @@ ice_set_link_ksettings(struct net_device *netdev, usleep_range(TEST_SET_BITS_SLEEP_MIN, TEST_SET_BITS_SLEEP_MAX); } - abilities = devm_kzalloc(&pf->pdev->dev, sizeof(*abilities), - GFP_KERNEL); + abilities = kzalloc(sizeof(*abilities), GFP_KERNEL); if (!abilities) return -ENOMEM; @@ -2520,7 +2524,7 @@ ice_set_link_ksettings(struct net_device *netdev, } done: - devm_kfree(&pf->pdev->dev, abilities); + kfree(abilities); clear_bit(__ICE_CFG_BUSY, pf->state); return err; @@ -2577,6 +2581,7 @@ ice_set_ringparam(struct net_device *netdev, struct ethtool_ringparam *ring) { struct ice_ring *tx_rings = NULL, *rx_rings = NULL; struct ice_netdev_priv *np = netdev_priv(netdev); + struct ice_ring *xdp_rings = NULL; struct ice_vsi *vsi = np->vsi; struct ice_pf *pf = vsi->back; int i, timeout = 50, err = 0; @@ -2611,6 +2616,13 @@ ice_set_ringparam(struct net_device *netdev, struct ethtool_ringparam *ring) return 0; } + /* If there is a AF_XDP UMEM attached to any of Rx rings, + * disallow changing the number of descriptors -- regardless + * if the netdev is running or not. + */ + if (ice_xsk_any_rx_ring_ena(vsi)) + return -EBUSY; + while (test_and_set_bit(__ICE_CFG_BUSY, pf->state)) { timeout--; if (!timeout) @@ -2624,6 +2636,11 @@ ice_set_ringparam(struct net_device *netdev, struct ethtool_ringparam *ring) vsi->tx_rings[i]->count = new_tx_cnt; for (i = 0; i < vsi->alloc_rxq; i++) vsi->rx_rings[i]->count = new_rx_cnt; + if (ice_is_xdp_ena_vsi(vsi)) + for (i = 0; i < vsi->num_xdp_txq; i++) + vsi->xdp_rings[i]->count = new_tx_cnt; + vsi->num_tx_desc = new_tx_cnt; + vsi->num_rx_desc = new_rx_cnt; netdev_dbg(netdev, "Link is down, descriptor count change happens when link is brought up\n"); goto done; } @@ -2635,14 +2652,13 @@ ice_set_ringparam(struct net_device *netdev, struct ethtool_ringparam *ring) netdev_info(netdev, "Changing Tx descriptor count from %d to %d\n", vsi->tx_rings[0]->count, new_tx_cnt); - tx_rings = devm_kcalloc(&pf->pdev->dev, vsi->alloc_txq, - sizeof(*tx_rings), GFP_KERNEL); + tx_rings = kcalloc(vsi->num_txq, sizeof(*tx_rings), GFP_KERNEL); if (!tx_rings) { err = -ENOMEM; goto done; } - for (i = 0; i < vsi->alloc_txq; i++) { + ice_for_each_txq(vsi, i) { /* clone ring and setup updated count */ tx_rings[i] = *vsi->tx_rings[i]; tx_rings[i].count = new_tx_cnt; @@ -2650,15 +2666,42 @@ ice_set_ringparam(struct net_device *netdev, struct ethtool_ringparam *ring) tx_rings[i].tx_buf = NULL; err = ice_setup_tx_ring(&tx_rings[i]); if (err) { - while (i) { - i--; + while (i--) ice_clean_tx_ring(&tx_rings[i]); - } - devm_kfree(&pf->pdev->dev, tx_rings); + kfree(tx_rings); goto done; } } + if (!ice_is_xdp_ena_vsi(vsi)) + goto process_rx; + + /* alloc updated XDP resources */ + netdev_info(netdev, "Changing XDP descriptor count from %d to %d\n", + vsi->xdp_rings[0]->count, new_tx_cnt); + + xdp_rings = kcalloc(vsi->num_xdp_txq, sizeof(*xdp_rings), GFP_KERNEL); + if (!xdp_rings) { + err = -ENOMEM; + goto free_tx; + } + + for (i = 0; i < vsi->num_xdp_txq; i++) { + /* clone ring and setup updated count */ + xdp_rings[i] = *vsi->xdp_rings[i]; + xdp_rings[i].count = new_tx_cnt; + xdp_rings[i].desc = NULL; + xdp_rings[i].tx_buf = NULL; + err = ice_setup_tx_ring(&xdp_rings[i]); + if (err) { + while (i--) + ice_clean_tx_ring(&xdp_rings[i]); + kfree(xdp_rings); + goto free_tx; + } + ice_set_ring_xdp(&xdp_rings[i]); + } + process_rx: if (new_rx_cnt == vsi->rx_rings[0]->count) goto process_link; @@ -2667,14 +2710,13 @@ process_rx: netdev_info(netdev, "Changing Rx descriptor count from %d to %d\n", vsi->rx_rings[0]->count, new_rx_cnt); - rx_rings = devm_kcalloc(&pf->pdev->dev, vsi->alloc_rxq, - sizeof(*rx_rings), GFP_KERNEL); + rx_rings = kcalloc(vsi->num_rxq, sizeof(*rx_rings), GFP_KERNEL); if (!rx_rings) { err = -ENOMEM; goto done; } - for (i = 0; i < vsi->alloc_rxq; i++) { + ice_for_each_rxq(vsi, i) { /* clone ring and setup updated count */ rx_rings[i] = *vsi->rx_rings[i]; rx_rings[i].count = new_rx_cnt; @@ -2698,7 +2740,7 @@ rx_unwind: i--; ice_free_rx_ring(&rx_rings[i]); } - devm_kfree(&pf->pdev->dev, rx_rings); + kfree(rx_rings); err = -ENOMEM; goto free_tx; } @@ -2712,15 +2754,15 @@ process_link: ice_down(vsi); if (tx_rings) { - for (i = 0; i < vsi->alloc_txq; i++) { + ice_for_each_txq(vsi, i) { ice_free_tx_ring(vsi->tx_rings[i]); *vsi->tx_rings[i] = tx_rings[i]; } - devm_kfree(&pf->pdev->dev, tx_rings); + kfree(tx_rings); } if (rx_rings) { - for (i = 0; i < vsi->alloc_rxq; i++) { + ice_for_each_rxq(vsi, i) { ice_free_rx_ring(vsi->rx_rings[i]); /* copy the real tail offset */ rx_rings[i].tail = vsi->rx_rings[i]->tail; @@ -2734,9 +2776,19 @@ process_link: rx_rings[i].next_to_alloc = 0; *vsi->rx_rings[i] = rx_rings[i]; } - devm_kfree(&pf->pdev->dev, rx_rings); + kfree(rx_rings); + } + + if (xdp_rings) { + for (i = 0; i < vsi->num_xdp_txq; i++) { + ice_free_tx_ring(vsi->xdp_rings[i]); + *vsi->xdp_rings[i] = xdp_rings[i]; + } + kfree(xdp_rings); } + vsi->num_tx_desc = new_tx_cnt; + vsi->num_rx_desc = new_rx_cnt; ice_up(vsi); } goto done; @@ -2744,9 +2796,9 @@ process_link: free_tx: /* error cleanup if the Rx allocations failed after getting Tx */ if (tx_rings) { - for (i = 0; i < vsi->alloc_txq; i++) + ice_for_each_txq(vsi, i) ice_free_tx_ring(&tx_rings[i]); - devm_kfree(&pf->pdev->dev, tx_rings); + kfree(tx_rings); } done: @@ -2794,7 +2846,6 @@ ice_get_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *pause) struct ice_netdev_priv *np = netdev_priv(netdev); struct ice_port_info *pi = np->vsi->port_info; struct ice_aqc_get_phy_caps_data *pcaps; - struct ice_vsi *vsi = np->vsi; struct ice_dcbx_cfg *dcbx_cfg; enum ice_status status; @@ -2804,8 +2855,7 @@ ice_get_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *pause) dcbx_cfg = &pi->local_dcbx_cfg; - pcaps = devm_kzalloc(&vsi->back->pdev->dev, sizeof(*pcaps), - GFP_KERNEL); + pcaps = kzalloc(sizeof(*pcaps), GFP_KERNEL); if (!pcaps) return; @@ -2828,7 +2878,7 @@ ice_get_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *pause) pause->rx_pause = 1; out: - devm_kfree(&vsi->back->pdev->dev, pcaps); + kfree(pcaps); } /** @@ -3009,7 +3059,7 @@ ice_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key, u8 *hfunc) return -EIO; } - lut = devm_kzalloc(&pf->pdev->dev, vsi->rss_table_size, GFP_KERNEL); + lut = kzalloc(vsi->rss_table_size, GFP_KERNEL); if (!lut) return -ENOMEM; @@ -3022,7 +3072,7 @@ ice_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key, u8 *hfunc) indir[i] = (u32)(lut[i]); out: - devm_kfree(&pf->pdev->dev, lut); + kfree(lut); return ret; } @@ -3043,8 +3093,10 @@ ice_set_rxfh(struct net_device *netdev, const u32 *indir, const u8 *key, struct ice_netdev_priv *np = netdev_priv(netdev); struct ice_vsi *vsi = np->vsi; struct ice_pf *pf = vsi->back; + struct device *dev; u8 *seed = NULL; + dev = ice_pf_to_dev(pf); if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP) return -EOPNOTSUPP; @@ -3057,8 +3109,7 @@ ice_set_rxfh(struct net_device *netdev, const u32 *indir, const u8 *key, if (key) { if (!vsi->rss_hkey_user) { vsi->rss_hkey_user = - devm_kzalloc(&pf->pdev->dev, - ICE_VSIQF_HKEY_ARRAY_SIZE, + devm_kzalloc(dev, ICE_VSIQF_HKEY_ARRAY_SIZE, GFP_KERNEL); if (!vsi->rss_hkey_user) return -ENOMEM; @@ -3068,8 +3119,7 @@ ice_set_rxfh(struct net_device *netdev, const u32 *indir, const u8 *key, } if (!vsi->rss_lut_user) { - vsi->rss_lut_user = devm_kzalloc(&pf->pdev->dev, - vsi->rss_table_size, + vsi->rss_lut_user = devm_kzalloc(dev, vsi->rss_table_size, GFP_KERNEL); if (!vsi->rss_lut_user) return -ENOMEM; @@ -3092,6 +3142,188 @@ ice_set_rxfh(struct net_device *netdev, const u32 *indir, const u8 *key, return 0; } +/** + * ice_get_max_txq - return the maximum number of Tx queues for in a PF + * @pf: PF structure + */ +static int ice_get_max_txq(struct ice_pf *pf) +{ + return min_t(int, num_online_cpus(), + pf->hw.func_caps.common_cap.num_txq); +} + +/** + * ice_get_max_rxq - return the maximum number of Rx queues for in a PF + * @pf: PF structure + */ +static int ice_get_max_rxq(struct ice_pf *pf) +{ + return min_t(int, num_online_cpus(), + pf->hw.func_caps.common_cap.num_rxq); +} + +/** + * ice_get_combined_cnt - return the current number of combined channels + * @vsi: PF VSI pointer + * + * Go through all queue vectors and count ones that have both Rx and Tx ring + * attached + */ +static u32 ice_get_combined_cnt(struct ice_vsi *vsi) +{ + u32 combined = 0; + int q_idx; + + ice_for_each_q_vector(vsi, q_idx) { + struct ice_q_vector *q_vector = vsi->q_vectors[q_idx]; + + if (q_vector->rx.ring && q_vector->tx.ring) + combined++; + } + + return combined; +} + +/** + * ice_get_channels - get the current and max supported channels + * @dev: network interface device structure + * @ch: ethtool channel data structure + */ +static void +ice_get_channels(struct net_device *dev, struct ethtool_channels *ch) +{ + struct ice_netdev_priv *np = netdev_priv(dev); + struct ice_vsi *vsi = np->vsi; + struct ice_pf *pf = vsi->back; + + /* check to see if VSI is active */ + if (test_bit(__ICE_DOWN, vsi->state)) + return; + + /* report maximum channels */ + ch->max_rx = ice_get_max_rxq(pf); + ch->max_tx = ice_get_max_txq(pf); + ch->max_combined = min_t(int, ch->max_rx, ch->max_tx); + + /* report current channels */ + ch->combined_count = ice_get_combined_cnt(vsi); + ch->rx_count = vsi->num_rxq - ch->combined_count; + ch->tx_count = vsi->num_txq - ch->combined_count; +} + +/** + * ice_vsi_set_dflt_rss_lut - set default RSS LUT with requested RSS size + * @vsi: VSI to reconfigure RSS LUT on + * @req_rss_size: requested range of queue numbers for hashing + * + * Set the VSI's RSS parameters, configure the RSS LUT based on these. + */ +static int ice_vsi_set_dflt_rss_lut(struct ice_vsi *vsi, int req_rss_size) +{ + struct ice_pf *pf = vsi->back; + enum ice_status status; + struct device *dev; + struct ice_hw *hw; + int err = 0; + u8 *lut; + + dev = ice_pf_to_dev(pf); + hw = &pf->hw; + + if (!req_rss_size) + return -EINVAL; + + lut = kzalloc(vsi->rss_table_size, GFP_KERNEL); + if (!lut) + return -ENOMEM; + + /* set RSS LUT parameters */ + if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) { + vsi->rss_size = 1; + } else { + struct ice_hw_common_caps *caps = &hw->func_caps.common_cap; + + vsi->rss_size = min_t(int, req_rss_size, + BIT(caps->rss_table_entry_width)); + } + + /* create/set RSS LUT */ + ice_fill_rss_lut(lut, vsi->rss_table_size, vsi->rss_size); + status = ice_aq_set_rss_lut(hw, vsi->idx, vsi->rss_lut_type, lut, + vsi->rss_table_size); + if (status) { + dev_err(dev, "Cannot set RSS lut, err %d aq_err %d\n", + status, hw->adminq.rq_last_status); + err = -EIO; + } + + kfree(lut); + return err; +} + +/** + * ice_set_channels - set the number channels + * @dev: network interface device structure + * @ch: ethtool channel data structure + */ +static int ice_set_channels(struct net_device *dev, struct ethtool_channels *ch) +{ + struct ice_netdev_priv *np = netdev_priv(dev); + struct ice_vsi *vsi = np->vsi; + struct ice_pf *pf = vsi->back; + int new_rx = 0, new_tx = 0; + u32 curr_combined; + + /* do not support changing channels in Safe Mode */ + if (ice_is_safe_mode(pf)) { + netdev_err(dev, "Changing channel in Safe Mode is not supported\n"); + return -EOPNOTSUPP; + } + /* do not support changing other_count */ + if (ch->other_count) + return -EINVAL; + + curr_combined = ice_get_combined_cnt(vsi); + + /* these checks are for cases where user didn't specify a particular + * value on cmd line but we get non-zero value anyway via + * get_channels(); look at ethtool.c in ethtool repository (the user + * space part), particularly, do_schannels() routine + */ + if (ch->rx_count == vsi->num_rxq - curr_combined) + ch->rx_count = 0; + if (ch->tx_count == vsi->num_txq - curr_combined) + ch->tx_count = 0; + if (ch->combined_count == curr_combined) + ch->combined_count = 0; + + if (!(ch->combined_count || (ch->rx_count && ch->tx_count))) { + netdev_err(dev, "Please specify at least 1 Rx and 1 Tx channel\n"); + return -EINVAL; + } + + new_rx = ch->combined_count + ch->rx_count; + new_tx = ch->combined_count + ch->tx_count; + + if (new_rx > ice_get_max_rxq(pf)) { + netdev_err(dev, "Maximum allowed Rx channels is %d\n", + ice_get_max_rxq(pf)); + return -EINVAL; + } + if (new_tx > ice_get_max_txq(pf)) { + netdev_err(dev, "Maximum allowed Tx channels is %d\n", + ice_get_max_txq(pf)); + return -EINVAL; + } + + ice_vsi_recfg_qs(vsi, new_rx, new_tx); + + if (new_rx && !netif_is_rxfh_configured(dev)) + return ice_vsi_set_dflt_rss_lut(vsi, new_rx); + + return 0; +} + enum ice_container_type { ICE_RX_CONTAINER, ICE_TX_CONTAINER, @@ -3131,7 +3363,7 @@ ice_get_rc_coalesce(struct ethtool_coalesce *ec, enum ice_container_type c_type, ec->tx_coalesce_usecs = rc->itr_setting & ~ICE_ITR_DYNAMIC; break; default: - dev_dbg(&pf->pdev->dev, "Invalid c_type %d\n", c_type); + dev_dbg(ice_pf_to_dev(pf), "Invalid c_type %d\n", c_type); return -EINVAL; } @@ -3271,7 +3503,8 @@ ice_set_rc_coalesce(enum ice_container_type c_type, struct ethtool_coalesce *ec, break; default: - dev_dbg(&pf->pdev->dev, "Invalid container type %d\n", c_type); + dev_dbg(ice_pf_to_dev(pf), "Invalid container type %d\n", + c_type); return -EINVAL; } @@ -3368,10 +3601,17 @@ __ice_set_coalesce(struct net_device *netdev, struct ethtool_coalesce *ec, struct ice_vsi *vsi = np->vsi; if (q_num < 0) { - int i; + int v_idx; + + ice_for_each_q_vector(vsi, v_idx) { + /* In some cases if DCB is configured the num_[rx|tx]q + * can be less than vsi->num_q_vectors. This check + * accounts for that so we don't report a false failure + */ + if (v_idx >= vsi->num_rxq && v_idx >= vsi->num_txq) + goto set_complete; - ice_for_each_q_vector(vsi, i) { - if (ice_set_q_coalesce(vsi, ec, i)) + if (ice_set_q_coalesce(vsi, ec, v_idx)) return -EINVAL; } goto set_complete; @@ -3398,6 +3638,151 @@ ice_set_per_q_coalesce(struct net_device *netdev, u32 q_num, return __ice_set_coalesce(netdev, ec, q_num); } +#define ICE_I2C_EEPROM_DEV_ADDR 0xA0 +#define ICE_I2C_EEPROM_DEV_ADDR2 0xA2 +#define ICE_MODULE_TYPE_SFP 0x03 +#define ICE_MODULE_TYPE_QSFP_PLUS 0x0D +#define ICE_MODULE_TYPE_QSFP28 0x11 +#define ICE_MODULE_SFF_ADDR_MODE 0x04 +#define ICE_MODULE_SFF_DIAG_CAPAB 0x40 +#define ICE_MODULE_REVISION_ADDR 0x01 +#define ICE_MODULE_SFF_8472_COMP 0x5E +#define ICE_MODULE_SFF_8472_SWAP 0x5C +#define ICE_MODULE_QSFP_MAX_LEN 640 + +/** + * ice_get_module_info - get SFF module type and revision information + * @netdev: network interface device structure + * @modinfo: module EEPROM size and layout information structure + */ +static int +ice_get_module_info(struct net_device *netdev, + struct ethtool_modinfo *modinfo) +{ + struct ice_netdev_priv *np = netdev_priv(netdev); + struct ice_vsi *vsi = np->vsi; + struct ice_pf *pf = vsi->back; + struct ice_hw *hw = &pf->hw; + enum ice_status status; + u8 sff8472_comp = 0; + u8 sff8472_swap = 0; + u8 sff8636_rev = 0; + u8 value = 0; + + status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR, 0x00, 0x00, + 0, &value, 1, 0, NULL); + if (status) + return -EIO; + + switch (value) { + case ICE_MODULE_TYPE_SFP: + status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR, + ICE_MODULE_SFF_8472_COMP, 0x00, 0, + &sff8472_comp, 1, 0, NULL); + if (status) + return -EIO; + status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR, + ICE_MODULE_SFF_8472_SWAP, 0x00, 0, + &sff8472_swap, 1, 0, NULL); + if (status) + return -EIO; + + if (sff8472_swap & ICE_MODULE_SFF_ADDR_MODE) { + modinfo->type = ETH_MODULE_SFF_8079; + modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN; + } else if (sff8472_comp && + (sff8472_swap & ICE_MODULE_SFF_DIAG_CAPAB)) { + modinfo->type = ETH_MODULE_SFF_8472; + modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN; + } else { + modinfo->type = ETH_MODULE_SFF_8079; + modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN; + } + break; + case ICE_MODULE_TYPE_QSFP_PLUS: + case ICE_MODULE_TYPE_QSFP28: + status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR, + ICE_MODULE_REVISION_ADDR, 0x00, 0, + &sff8636_rev, 1, 0, NULL); + if (status) + return -EIO; + /* Check revision compliance */ + if (sff8636_rev > 0x02) { + /* Module is SFF-8636 compliant */ + modinfo->type = ETH_MODULE_SFF_8636; + modinfo->eeprom_len = ICE_MODULE_QSFP_MAX_LEN; + } else { + modinfo->type = ETH_MODULE_SFF_8436; + modinfo->eeprom_len = ICE_MODULE_QSFP_MAX_LEN; + } + break; + default: + netdev_warn(netdev, + "SFF Module Type not recognized.\n"); + return -EINVAL; + } + return 0; +} + +/** + * ice_get_module_eeprom - fill buffer with SFF EEPROM contents + * @netdev: network interface device structure + * @ee: EEPROM dump request structure + * @data: buffer to be filled with EEPROM contents + */ +static int +ice_get_module_eeprom(struct net_device *netdev, + struct ethtool_eeprom *ee, u8 *data) +{ + struct ice_netdev_priv *np = netdev_priv(netdev); + u8 addr = ICE_I2C_EEPROM_DEV_ADDR; + struct ice_vsi *vsi = np->vsi; + struct ice_pf *pf = vsi->back; + struct ice_hw *hw = &pf->hw; + enum ice_status status; + bool is_sfp = false; + u16 offset = 0; + u8 value = 0; + u8 page = 0; + int i; + + status = ice_aq_sff_eeprom(hw, 0, addr, offset, page, 0, + &value, 1, 0, NULL); + if (status) + return -EIO; + + if (!ee || !ee->len || !data) + return -EINVAL; + + if (value == ICE_MODULE_TYPE_SFP) + is_sfp = true; + + for (i = 0; i < ee->len; i++) { + offset = i + ee->offset; + + /* Check if we need to access the other memory page */ + if (is_sfp) { + if (offset >= ETH_MODULE_SFF_8079_LEN) { + offset -= ETH_MODULE_SFF_8079_LEN; + addr = ICE_I2C_EEPROM_DEV_ADDR2; + } + } else { + while (offset >= ETH_MODULE_SFF_8436_LEN) { + /* Compute memory page number and offset. */ + offset -= ETH_MODULE_SFF_8436_LEN / 2; + page++; + } + } + + status = ice_aq_sff_eeprom(hw, 0, addr, offset, page, !is_sfp, + &value, 1, 0, NULL); + if (status) + value = 0; + data[i] = value; + } + return 0; +} + static const struct ethtool_ops ice_ethtool_ops = { .get_link_ksettings = ice_get_link_ksettings, .set_link_ksettings = ice_set_link_ksettings, @@ -3428,11 +3813,15 @@ static const struct ethtool_ops ice_ethtool_ops = { .get_rxfh_indir_size = ice_get_rxfh_indir_size, .get_rxfh = ice_get_rxfh, .set_rxfh = ice_set_rxfh, + .get_channels = ice_get_channels, + .set_channels = ice_set_channels, .get_ts_info = ethtool_op_get_ts_info, .get_per_queue_coalesce = ice_get_per_q_coalesce, .set_per_queue_coalesce = ice_set_per_q_coalesce, .get_fecparam = ice_get_fecparam, .set_fecparam = ice_set_fecparam, + .get_module_info = ice_get_module_info, + .get_module_eeprom = ice_get_module_eeprom, }; static const struct ethtool_ops ice_ethtool_safe_mode_ops = { @@ -3451,6 +3840,7 @@ static const struct ethtool_ops ice_ethtool_safe_mode_ops = { .get_ringparam = ice_get_ringparam, .set_ringparam = ice_set_ringparam, .nway_reset = ice_nway_reset, + .get_channels = ice_get_channels, }; /** |