/* * BSD LICENSE * * Copyright(c) 2017 Cavium, Inc.. All rights reserved. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * * Neither the name of Cavium, Inc. nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * OWNER(S) OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include #include "lio_bsd.h" #include "lio_common.h" #include "lio_droq.h" #include "lio_iq.h" #include "lio_response_manager.h" #include "lio_device.h" #include "lio_network.h" #include "lio_ctrl.h" #include "cn23xx_pf_device.h" #include "lio_image.h" #include "lio_main.h" #include "lio_rxtx.h" #include "lio_ioctl.h" #define LIO_OFF_PAUSE 0 #define LIO_RX_PAUSE 1 #define LIO_TX_PAUSE 2 #define LIO_REGDUMP_LEN 4096 #define LIO_REGDUMP_LEN_23XX 49248 #define LIO_REGDUMP_LEN_XXXX LIO_REGDUMP_LEN_23XX #define LIO_USE_ADAPTIVE_RX_COALESCE 1 #define LIO_USE_ADAPTIVE_TX_COALESCE 2 #define LIO_RX_COALESCE_USECS 3 #define LIO_RX_MAX_COALESCED_FRAMES 4 #define LIO_TX_MAX_COALESCED_FRAMES 8 #define LIO_PKT_RATE_LOW 12 #define LIO_RX_COALESCE_USECS_LOW 13 #define LIO_RX_MAX_COALESCED_FRAMES_LOW 14 #define LIO_TX_MAX_COALESCED_FRAMES_LOW 16 #define LIO_PKT_RATE_HIGH 17 #define LIO_RX_COALESCE_USECS_HIGH 18 #define LIO_RX_MAX_COALESCED_FRAMES_HIGH 19 #define LIO_TX_MAX_COALESCED_FRAMES_HIGH 21 #define LIO_RATE_SAMPLE_INTERVAL 22 #define LIO_SET_RING_RX 1 #define LIO_SET_RING_TX 2 static int lio_get_eeprom(SYSCTL_HANDLER_ARGS); static int lio_get_set_pauseparam(SYSCTL_HANDLER_ARGS); static int lio_get_regs(SYSCTL_HANDLER_ARGS); static int lio_cn23xx_pf_read_csr_reg(char *s, struct octeon_device *oct); static int lio_get_set_fwmsglevel(SYSCTL_HANDLER_ARGS); static int lio_set_stats_interval(SYSCTL_HANDLER_ARGS); static void lio_get_fw_stats(void *arg); static int lio_get_set_intr_coalesce(SYSCTL_HANDLER_ARGS); static int lio_get_intrmod_cfg(struct lio *lio, struct octeon_intrmod_cfg *intr_cfg); static int lio_get_ringparam(SYSCTL_HANDLER_ARGS); static int lio_set_ringparam(SYSCTL_HANDLER_ARGS); static int lio_get_channels(SYSCTL_HANDLER_ARGS); static int lio_set_channels(SYSCTL_HANDLER_ARGS); static int lio_irq_reallocate_irqs(struct octeon_device *oct, uint32_t num_ioqs); struct lio_intrmod_context { int octeon_id; volatile int cond; int status; }; struct lio_intrmod_resp { uint64_t rh; struct octeon_intrmod_cfg intrmod; uint64_t status; }; static int lio_send_queue_count_update(struct ifnet *ifp, uint32_t num_queues) { struct lio_ctrl_pkt nctrl; struct lio *lio = if_getsoftc(ifp); struct octeon_device *oct = lio->oct_dev; int ret = 0; bzero(&nctrl, sizeof(struct lio_ctrl_pkt)); nctrl.ncmd.cmd64 = 0; nctrl.ncmd.s.cmd = LIO_CMD_QUEUE_COUNT_CTL; nctrl.ncmd.s.param1 = num_queues; nctrl.ncmd.s.param2 = num_queues; nctrl.iq_no = lio->linfo.txpciq[0].s.q_no; nctrl.wait_time = 100; nctrl.lio = lio; nctrl.cb_fn = lio_ctrl_cmd_completion; ret = lio_send_ctrl_pkt(lio->oct_dev, &nctrl); if (ret < 0) { lio_dev_err(oct, "Failed to send Queue reset command (ret: 0x%x)\n", ret); return (-1); } return (0); } /* Add sysctl variables to the system, one per statistic. */ void lio_add_hw_stats(struct lio *lio) { struct octeon_device *oct_dev = lio->oct_dev; device_t dev = oct_dev->device; struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(dev); struct sysctl_oid *tree = device_get_sysctl_tree(dev); struct sysctl_oid_list *child = SYSCTL_CHILDREN(tree); struct sysctl_oid *stat_node, *queue_node, *root_node; struct sysctl_oid_list *stat_list, *queue_list, *root_list; #define QUEUE_NAME_LEN 32 char namebuf[QUEUE_NAME_LEN]; callout_reset(&lio->stats_timer, lio_ms_to_ticks(lio->stats_interval), lio_get_fw_stats, lio); SYSCTL_ADD_STRING(ctx, child, OID_AUTO, "fwversion", CTLFLAG_RD, oct_dev->fw_info.lio_firmware_version, 0, "Firmware version"); SYSCTL_ADD_PROC(ctx, child, OID_AUTO, "stats_interval", CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT, lio, 0, lio_set_stats_interval, "I", "Set Stats Updation Timer in milli seconds"); SYSCTL_ADD_UQUAD(ctx, child, OID_AUTO, "link_state_changes", CTLFLAG_RD, &lio->link_changes, "Link Change Counter"); SYSCTL_ADD_PROC(ctx, child, OID_AUTO, "eeprom-dump", CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_MPSAFE, lio, 0, lio_get_eeprom, "A", "EEPROM information"); SYSCTL_ADD_PROC(ctx, child, OID_AUTO, "fc", CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT, lio, 0, lio_get_set_pauseparam, "I", "Get and set pause parameters.\n" \ "0 - off\n" \ "1 - rx pause\n" \ "2 - tx pause \n" \ "3 - rx and tx pause"); SYSCTL_ADD_PROC(ctx, child, OID_AUTO, "register-dump", CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_NEEDGIANT, lio, 0, lio_get_regs, "A", "Dump registers in raw format"); SYSCTL_ADD_PROC(ctx, child, OID_AUTO, "fwmsglevel", CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT, lio, 0, lio_get_set_fwmsglevel, "I", "Get or set firmware message level"); SYSCTL_ADD_PROC(ctx, child, OID_AUTO, "rxq_descriptors", CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT, lio, LIO_SET_RING_RX, lio_set_ringparam, "I", "Set RX ring parameter"); SYSCTL_ADD_PROC(ctx, child, OID_AUTO, "txq_descriptors", CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT, lio, LIO_SET_RING_TX, lio_set_ringparam, "I", "Set TX ring parameter"); SYSCTL_ADD_PROC(ctx, child, OID_AUTO, "max_rxq_descriptors", CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_NEEDGIANT, lio, LIO_SET_RING_RX, lio_get_ringparam, "I", "Max RX descriptors"); SYSCTL_ADD_PROC(ctx, child, OID_AUTO, "max_txq_descriptors", CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_NEEDGIANT, lio, LIO_SET_RING_TX, lio_get_ringparam, "I", "Max TX descriptors"); SYSCTL_ADD_PROC(ctx, child, OID_AUTO, "active_queues", CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT, lio, 0, lio_set_channels, "I", "Set channels information"); SYSCTL_ADD_PROC(ctx, child, OID_AUTO, "max_queues", CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_NEEDGIANT, lio, 0, lio_get_channels, "I", "Get channels information"); SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "tx_budget", CTLFLAG_RW, &oct_dev->tx_budget, 0, "TX process pkt budget"); SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "rx_budget", CTLFLAG_RW, &oct_dev->rx_budget, 0, "RX process pkt budget"); /* IRQ Coalescing Parameters */ root_node = SYSCTL_ADD_NODE(ctx, child, OID_AUTO, "coalesce", CTLFLAG_RD | CTLFLAG_MPSAFE, NULL, "Get and Set Coalesce"); root_list = SYSCTL_CHILDREN(root_node); if (lio_get_intrmod_cfg(lio, &lio->intrmod_cfg)) lio_dev_info(oct_dev, "Coalescing driver update failed!\n"); SYSCTL_ADD_PROC(ctx, root_list, OID_AUTO, "sample-interval", CTLTYPE_U64 | CTLFLAG_RW | CTLFLAG_MPSAFE, lio, LIO_RATE_SAMPLE_INTERVAL, lio_get_set_intr_coalesce, "QU", NULL); SYSCTL_ADD_PROC(ctx, root_list, OID_AUTO, "tx-frame-high", CTLTYPE_U64 | CTLFLAG_RW | CTLFLAG_MPSAFE, lio, LIO_TX_MAX_COALESCED_FRAMES_HIGH, lio_get_set_intr_coalesce, "QU", NULL); SYSCTL_ADD_PROC(ctx, root_list, OID_AUTO, "rx-frame-high", CTLTYPE_U64 | CTLFLAG_RW | CTLFLAG_MPSAFE, lio, LIO_RX_MAX_COALESCED_FRAMES_HIGH, lio_get_set_intr_coalesce, "QU", NULL); SYSCTL_ADD_PROC(ctx, root_list, OID_AUTO, "rx-usecs-high", CTLTYPE_U64 | CTLFLAG_RW | CTLFLAG_MPSAFE, lio, LIO_RX_COALESCE_USECS_HIGH, lio_get_set_intr_coalesce, "QU", NULL); SYSCTL_ADD_PROC(ctx, root_list, OID_AUTO, "pkt-rate-high", CTLTYPE_U64 | CTLFLAG_RW | CTLFLAG_MPSAFE, lio, LIO_PKT_RATE_HIGH, lio_get_set_intr_coalesce, "QU", NULL); SYSCTL_ADD_PROC(ctx, root_list, OID_AUTO, "tx-frame-low", CTLTYPE_U64 | CTLFLAG_RW | CTLFLAG_MPSAFE, lio, LIO_TX_MAX_COALESCED_FRAMES_LOW, lio_get_set_intr_coalesce, "QU", NULL); SYSCTL_ADD_PROC(ctx, root_list, OID_AUTO, "rx-frame-low", CTLTYPE_U64 | CTLFLAG_RW | CTLFLAG_MPSAFE, lio, LIO_RX_MAX_COALESCED_FRAMES_LOW, lio_get_set_intr_coalesce, "QU", NULL); SYSCTL_ADD_PROC(ctx, root_list, OID_AUTO, "rx-usecs-low", CTLTYPE_U64 | CTLFLAG_RW | CTLFLAG_MPSAFE, lio, LIO_RX_COALESCE_USECS_LOW, lio_get_set_intr_coalesce, "QU", NULL); SYSCTL_ADD_PROC(ctx, root_list, OID_AUTO, "pkt-rate-low", CTLTYPE_U64 | CTLFLAG_RW | CTLFLAG_MPSAFE, lio, LIO_PKT_RATE_LOW, lio_get_set_intr_coalesce, "QU", NULL); SYSCTL_ADD_PROC(ctx, root_list, OID_AUTO, "tx-frames", CTLTYPE_U64 | CTLFLAG_RW | CTLFLAG_MPSAFE, lio, LIO_TX_MAX_COALESCED_FRAMES, lio_get_set_intr_coalesce, "QU", NULL); SYSCTL_ADD_PROC(ctx, root_list, OID_AUTO, "rx-frames", CTLTYPE_U64 | CTLFLAG_RW | CTLFLAG_MPSAFE, lio, LIO_RX_MAX_COALESCED_FRAMES, lio_get_set_intr_coalesce, "QU", NULL); SYSCTL_ADD_PROC(ctx, root_list, OID_AUTO, "rx-usecs", CTLTYPE_U64 | CTLFLAG_RW | CTLFLAG_MPSAFE, lio, LIO_RX_COALESCE_USECS, lio_get_set_intr_coalesce, "QU", NULL); SYSCTL_ADD_PROC(ctx, root_list, OID_AUTO, "adaptive-tx", CTLTYPE_U64 | CTLFLAG_RW | CTLFLAG_MPSAFE, lio, LIO_USE_ADAPTIVE_TX_COALESCE, lio_get_set_intr_coalesce, "QU", NULL); SYSCTL_ADD_PROC(ctx, root_list, OID_AUTO, "adaptive-rx", CTLTYPE_U64 | CTLFLAG_RW | CTLFLAG_MPSAFE, lio, LIO_USE_ADAPTIVE_RX_COALESCE, lio_get_set_intr_coalesce, "QU", NULL); /* Root Node of all the Stats */ root_node = SYSCTL_ADD_NODE(ctx, child, OID_AUTO, "stats", CTLFLAG_RD | CTLFLAG_MPSAFE, NULL, "Root Node of all the Stats"); root_list = SYSCTL_CHILDREN(root_node); /* Firmware Tx Stats */ stat_node = SYSCTL_ADD_NODE(ctx, root_list, OID_AUTO, "fwtx", CTLFLAG_RD | CTLFLAG_MPSAFE, NULL, "Firmware Tx Statistics"); stat_list = SYSCTL_CHILDREN(stat_node); SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "tx_total_sent", CTLFLAG_RD, &oct_dev->link_stats.fromhost.fw_total_sent, "Firmware Total Packets Sent"); SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "tx_total_fwd", CTLFLAG_RD, &oct_dev->link_stats.fromhost.fw_total_fwd, "Firmware Total Packets Forwarded"); SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "tx_total_fwd_bytes", CTLFLAG_RD, &oct_dev->link_stats.fromhost.fw_total_fwd_bytes, "Firmware Total Bytes Forwarded"); SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "tx_err_pko", CTLFLAG_RD, &oct_dev->link_stats.fromhost.fw_err_pko, "Firmware Tx PKO Errors"); SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "tx_err_pki", CTLFLAG_RD, &oct_dev->link_stats.fromhost.fw_err_pki, "Firmware Tx PKI Errors"); SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "tx_err_link", CTLFLAG_RD, &oct_dev->link_stats.fromhost.fw_err_link, "Firmware Tx Link Errors"); SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "tx_err_drop", CTLFLAG_RD, &oct_dev->link_stats.fromhost.fw_err_drop, "Firmware Tx Packets Dropped"); SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "fw_tso", CTLFLAG_RD, &oct_dev->link_stats.fromhost.fw_tso, "Firmware Tx TSO"); SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "tx_tso_packets", CTLFLAG_RD, &oct_dev->link_stats.fromhost.fw_tso_fwd, "Firmware Tx TSO Packets"); //SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "tx_tso_err", CTLFLAG_RD, //&oct_dev->link_stats.fromhost.fw_tso_err, //"Firmware Tx TSO Errors"); SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "tx_vxlan", CTLFLAG_RD, &oct_dev->link_stats.fromhost.fw_tx_vxlan, "Firmware Tx VXLAN"); /* MAC Tx Stats */ stat_node = SYSCTL_ADD_NODE(ctx, root_list, OID_AUTO, "mactx", CTLFLAG_RD | CTLFLAG_MPSAFE, NULL, "MAC Tx Statistics"); stat_list = SYSCTL_CHILDREN(stat_node); SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "mac_tx_total_pkts", CTLFLAG_RD, &oct_dev->link_stats.fromhost.total_pkts_sent, "Link-Level Total Packets Sent"); SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "mac_tx_total_bytes", CTLFLAG_RD, &oct_dev->link_stats.fromhost.total_bytes_sent, "Link-Level Total Bytes Sent"); SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "mac_tx_mcast_pkts", CTLFLAG_RD, &oct_dev->link_stats.fromhost.mcast_pkts_sent, "Link-Level Multicast Packets Sent"); SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "mac_tx_bcast_pkts", CTLFLAG_RD, &oct_dev->link_stats.fromhost.bcast_pkts_sent, "Link-Level Broadcast Packets Sent"); SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "mac_tx_ctl_packets", CTLFLAG_RD, &oct_dev->link_stats.fromhost.ctl_sent, "Link-Level Control Packets Sent"); SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "mac_tx_total_collisions", CTLFLAG_RD, &oct_dev->link_stats.fromhost.total_collisions, "Link-Level Tx Total Collisions"); SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "mac_tx_one_collision", CTLFLAG_RD, &oct_dev->link_stats.fromhost.one_collision_sent, "Link-Level Tx One Collision Sent"); SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "mac_tx_multi_collison", CTLFLAG_RD, &oct_dev->link_stats.fromhost.multi_collision_sent, "Link-Level Tx Multi-Collision Sent"); SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "mac_tx_max_collision_fail", CTLFLAG_RD, &oct_dev->link_stats.fromhost.max_collision_fail, "Link-Level Tx Max Collision Failed"); SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "mac_tx_max_deferal_fail", CTLFLAG_RD, &oct_dev->link_stats.fromhost.max_deferral_fail, "Link-Level Tx Max Deferral Failed"); SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "mac_tx_fifo_err", CTLFLAG_RD, &oct_dev->link_stats.fromhost.fifo_err, "Link-Level Tx FIFO Errors"); SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "mac_tx_runts", CTLFLAG_RD, &oct_dev->link_stats.fromhost.runts, "Link-Level Tx Runts"); /* Firmware Rx Stats */ stat_node = SYSCTL_ADD_NODE(ctx, root_list, OID_AUTO, "fwrx", CTLFLAG_RD | CTLFLAG_MPSAFE, NULL, "Firmware Rx Statistics"); stat_list = SYSCTL_CHILDREN(stat_node); SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "rx_total_rcvd", CTLFLAG_RD, &oct_dev->link_stats.fromwire.fw_total_rcvd, "Firmware Total Packets Received"); SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "rx_total_fwd", CTLFLAG_RD, &oct_dev->link_stats.fromwire.fw_total_fwd, "Firmware Total Packets Forwarded"); SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "rx_jabber_err", CTLFLAG_RD, &oct_dev->link_stats.fromwire.jabber_err, "Firmware Rx Jabber Errors"); SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "rx_l2_err", CTLFLAG_RD, &oct_dev->link_stats.fromwire.l2_err, "Firmware Rx L2 Errors"); SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "rx_frame_err", CTLFLAG_RD, &oct_dev->link_stats.fromwire.frame_err, "Firmware Rx Frame Errors"); SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "rx_err_pko", CTLFLAG_RD, &oct_dev->link_stats.fromwire.fw_err_pko, "Firmware Rx PKO Errors"); SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "rx_err_link", CTLFLAG_RD, &oct_dev->link_stats.fromwire.fw_err_link, "Firmware Rx Link Errors"); SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "rx_err_drop", CTLFLAG_RD, &oct_dev->link_stats.fromwire.fw_err_drop, "Firmware Rx Dropped"); SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "rx_vxlan", CTLFLAG_RD, &oct_dev->link_stats.fromwire.fw_rx_vxlan, "Firmware Rx VXLAN"); SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "rx_vxlan_err", CTLFLAG_RD, &oct_dev->link_stats.fromwire.fw_rx_vxlan_err, "Firmware Rx VXLAN Errors"); SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "rx_lro_pkts", CTLFLAG_RD, &oct_dev->link_stats.fromwire.fw_lro_pkts, "Firmware Rx LRO Packets"); SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "rx_lro_bytes", CTLFLAG_RD, &oct_dev->link_stats.fromwire.fw_lro_octs, "Firmware Rx LRO Bytes"); SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "rx_total_lro", CTLFLAG_RD, &oct_dev->link_stats.fromwire.fw_total_lro, "Firmware Rx Total LRO"); SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "rx_lro_aborts", CTLFLAG_RD, &oct_dev->link_stats.fromwire.fw_lro_aborts, "Firmware Rx LRO Aborts"); SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "rx_lro_aborts_port", CTLFLAG_RD, &oct_dev->link_stats.fromwire.fw_lro_aborts_port, "Firmware Rx LRO Aborts Port"); SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "rx_lro_aborts_seq", CTLFLAG_RD, &oct_dev->link_stats.fromwire.fw_lro_aborts_seq, "Firmware Rx LRO Aborts Sequence"); SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "rx_lro_aborts_tsval", CTLFLAG_RD, &oct_dev->link_stats.fromwire.fw_lro_aborts_tsval, "Firmware Rx LRO Aborts tsval"); SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "rx_lro_aborts_timer", CTLFLAG_RD, &oct_dev->link_stats.fromwire.fw_lro_aborts_timer, "Firmware Rx LRO Aborts Timer"); SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "rx_fwd_rate", CTLFLAG_RD, &oct_dev->link_stats.fromwire.fwd_rate, "Firmware Rx Packets Forward Rate"); /* MAC Rx Stats */ stat_node = SYSCTL_ADD_NODE(ctx, root_list, OID_AUTO, "macrx", CTLFLAG_RD | CTLFLAG_MPSAFE, NULL, "MAC Rx Statistics"); stat_list = SYSCTL_CHILDREN(stat_node); SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "mac_rx_total_rcvd", CTLFLAG_RD, &oct_dev->link_stats.fromwire.total_rcvd, "Link-Level Total Packets Received"); SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "mac_rx_bytes", CTLFLAG_RD, &oct_dev->link_stats.fromwire.bytes_rcvd, "Link-Level Total Bytes Received"); SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "mac_rx_total_bcst", CTLFLAG_RD, &oct_dev->link_stats.fromwire.total_bcst, "Link-Level Total Broadcast"); SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "mac_rx_total_mcst", CTLFLAG_RD, &oct_dev->link_stats.fromwire.total_mcst, "Link-Level Total Multicast"); SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "mac_rx_runts", CTLFLAG_RD, &oct_dev->link_stats.fromwire.runts, "Link-Level Rx Runts"); SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "mac_rx_ctl_packets", CTLFLAG_RD, &oct_dev->link_stats.fromwire.ctl_rcvd, "Link-Level Rx Control Packets"); SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "mac_rx_fifo_err", CTLFLAG_RD, &oct_dev->link_stats.fromwire.fifo_err, "Link-Level Rx FIFO Errors"); SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "mac_rx_dma_drop", CTLFLAG_RD, &oct_dev->link_stats.fromwire.dmac_drop, "Link-Level Rx DMA Dropped"); SYSCTL_ADD_UQUAD(ctx, stat_list, OID_AUTO, "mac_rx_fcs_err", CTLFLAG_RD, &oct_dev->link_stats.fromwire.fcs_err, "Link-Level Rx FCS Errors"); /* TX */ for (int i = 0; i < oct_dev->num_iqs; i++) { if (!(oct_dev->io_qmask.iq & BIT_ULL(i))) continue; snprintf(namebuf, QUEUE_NAME_LEN, "tx-%d", i); queue_node = SYSCTL_ADD_NODE(ctx, root_list, OID_AUTO, namebuf, CTLFLAG_RD | CTLFLAG_MPSAFE, NULL, "Input Queue Name"); queue_list = SYSCTL_CHILDREN(queue_node); /* packets to network port */ /* # of packets tx to network */ SYSCTL_ADD_UQUAD(ctx, queue_list, OID_AUTO, "packets", CTLFLAG_RD, &oct_dev->instr_queue[i]->stats.tx_done, "Number of Packets Tx to Network"); /* # of bytes tx to network */ SYSCTL_ADD_UQUAD(ctx, queue_list, OID_AUTO, "bytes", CTLFLAG_RD, &oct_dev->instr_queue[i]->stats.tx_tot_bytes, "Number of Bytes Tx to Network"); /* # of packets dropped */ SYSCTL_ADD_UQUAD(ctx, queue_list, OID_AUTO, "dropped", CTLFLAG_RD, &oct_dev->instr_queue[i]->stats.tx_dropped, "Number of Tx Packets Dropped"); /* # of tx fails due to queue full */ SYSCTL_ADD_UQUAD(ctx, queue_list, OID_AUTO, "iq_busy", CTLFLAG_RD, &oct_dev->instr_queue[i]->stats.tx_iq_busy, "Number of Tx Fails Due to Queue Full"); /* scatter gather entries sent */ SYSCTL_ADD_UQUAD(ctx, queue_list, OID_AUTO, "sgentry_sent", CTLFLAG_RD, &oct_dev->instr_queue[i]->stats.sgentry_sent, "Scatter Gather Entries Sent"); /* instruction to firmware: data and control */ /* # of instructions to the queue */ SYSCTL_ADD_UQUAD(ctx, queue_list, OID_AUTO, "fw_instr_posted", CTLFLAG_RD, &oct_dev->instr_queue[i]->stats.instr_posted, "Number of Instructions to The Queue"); /* # of instructions processed */ SYSCTL_ADD_UQUAD(ctx, queue_list, OID_AUTO, "fw_instr_processed", CTLFLAG_RD, &oct_dev->instr_queue[i]->stats.instr_processed, "Number of Instructions Processed"); /* # of instructions could not be processed */ SYSCTL_ADD_UQUAD(ctx, queue_list, OID_AUTO, "fw_instr_dropped", CTLFLAG_RD, &oct_dev->instr_queue[i]->stats.instr_dropped, "Number of Instructions Dropped"); /* bytes sent through the queue */ SYSCTL_ADD_UQUAD(ctx, queue_list, OID_AUTO, "fw_bytes_sent", CTLFLAG_RD, &oct_dev->instr_queue[i]->stats.bytes_sent, "Bytes Sent Through The Queue"); /* tso request */ SYSCTL_ADD_UQUAD(ctx, queue_list, OID_AUTO, "tso", CTLFLAG_RD, &oct_dev->instr_queue[i]->stats.tx_gso, "TSO Request"); /* vxlan request */ SYSCTL_ADD_UQUAD(ctx, queue_list, OID_AUTO, "vxlan", CTLFLAG_RD, &oct_dev->instr_queue[i]->stats.tx_vxlan, "VXLAN Request"); /* txq restart */ SYSCTL_ADD_UQUAD(ctx, queue_list, OID_AUTO, "txq_restart", CTLFLAG_RD, &oct_dev->instr_queue[i]->stats.tx_restart, "TxQ Restart"); SYSCTL_ADD_UQUAD(ctx, queue_list, OID_AUTO, "tx_dmamap_fail", CTLFLAG_RD, &oct_dev->instr_queue[i]->stats.tx_dmamap_fail, "TxQ DMA Map Failed"); SYSCTL_ADD_UQUAD(ctx, queue_list, OID_AUTO, "mbuf_defrag_failed", CTLFLAG_RD, &oct_dev->instr_queue[i]->stats.mbuf_defrag_failed, "TxQ defrag Failed"); } /* RX */ for (int i = 0; i < oct_dev->num_oqs; i++) { if (!(oct_dev->io_qmask.oq & BIT_ULL(i))) continue; snprintf(namebuf, QUEUE_NAME_LEN, "rx-%d", i); queue_node = SYSCTL_ADD_NODE(ctx, root_list, OID_AUTO, namebuf, CTLFLAG_RD | CTLFLAG_MPSAFE, NULL, "Output Queue Name"); queue_list = SYSCTL_CHILDREN(queue_node); /* packets send to TCP/IP network stack */ /* # of packets to network stack */ SYSCTL_ADD_UQUAD(ctx, queue_list, OID_AUTO, "packets", CTLFLAG_RD, &oct_dev->droq[i]->stats.rx_pkts_received, "Number of Packets to Network Stack"); /* # of bytes to network stack */ SYSCTL_ADD_UQUAD(ctx, queue_list, OID_AUTO, "bytes", CTLFLAG_RD, &oct_dev->droq[i]->stats.rx_bytes_received, "Number of Bytes to Network Stack"); /* # of packets dropped */ SYSCTL_ADD_UQUAD(ctx, queue_list, OID_AUTO, "dropped_nomem", CTLFLAG_RD, &oct_dev->droq[i]->stats.dropped_nomem, "Packets Dropped Due to No Memory"); SYSCTL_ADD_UQUAD(ctx, queue_list, OID_AUTO, "dropped_toomany", CTLFLAG_RD, &oct_dev->droq[i]->stats.dropped_toomany, "Packets dropped, Too Many Pkts to Process"); SYSCTL_ADD_UQUAD(ctx, queue_list, OID_AUTO, "fw_dropped", CTLFLAG_RD, &oct_dev->droq[i]->stats.rx_dropped, "Packets Dropped due to Receive path failures"); /* control and data path */ /* # packets sent to stack from this queue. */ SYSCTL_ADD_UQUAD(ctx, queue_list, OID_AUTO, "fw_pkts_received", CTLFLAG_RD, &oct_dev->droq[i]->stats.pkts_received, "Number of Packets Received"); /* # Bytes sent to stack from this queue. */ SYSCTL_ADD_UQUAD(ctx, queue_list, OID_AUTO, "fw_bytes_received", CTLFLAG_RD, &oct_dev->droq[i]->stats.bytes_received, "Number of Bytes Received"); /* Packets dropped due to no dispatch function. */ SYSCTL_ADD_UQUAD(ctx, queue_list, OID_AUTO, "fw_dropped_nodispatch", CTLFLAG_RD, &oct_dev->droq[i]->stats.dropped_nodispatch, "Packets Dropped, No Dispatch Function"); /* Rx VXLAN */ SYSCTL_ADD_UQUAD(ctx, queue_list, OID_AUTO, "vxlan", CTLFLAG_RD, &oct_dev->droq[i]->stats.rx_vxlan, "Rx VXLAN"); /* # failures of lio_recv_buffer_alloc */ SYSCTL_ADD_UQUAD(ctx, queue_list, OID_AUTO, "buffer_alloc_failure", CTLFLAG_RD, &oct_dev->droq[i]->stats.rx_alloc_failure, "Number of Failures of lio_recv_buffer_alloc"); } } static int lio_get_eeprom(SYSCTL_HANDLER_ARGS) { struct lio *lio = (struct lio *)arg1; struct octeon_device *oct_dev = lio->oct_dev; struct lio_board_info *board_info; char buf[512]; board_info = (struct lio_board_info *)(&oct_dev->boardinfo); if (oct_dev->uboot_len == 0) sprintf(buf, "boardname:%s serialnum:%s maj:%lld min:%lld", board_info->name, board_info->serial_number, LIO_CAST64(board_info->major), LIO_CAST64(board_info->minor)); else { sprintf(buf, "boardname:%s serialnum:%s maj:%lld min:%lld\n%s", board_info->name, board_info->serial_number, LIO_CAST64(board_info->major), LIO_CAST64(board_info->minor), &oct_dev->uboot_version[oct_dev->uboot_sidx]); } return (sysctl_handle_string(oidp, buf, strlen(buf), req)); } /* * Get and set pause parameters or flow control using sysctl: * 0 - off * 1 - rx pause * 2 - tx pause * 3 - full */ static int lio_get_set_pauseparam(SYSCTL_HANDLER_ARGS) { /* Notes: Not supporting any auto negotiation in these drivers. */ struct lio_ctrl_pkt nctrl; struct lio *lio = (struct lio *)arg1; struct octeon_device *oct = lio->oct_dev; struct octeon_link_info *linfo = &lio->linfo; int err, new_pause = LIO_OFF_PAUSE, old_pause = LIO_OFF_PAUSE; int ret = 0; if (oct->chip_id != LIO_CN23XX_PF_VID) return (EINVAL); if (oct->rx_pause) old_pause |= LIO_RX_PAUSE; if (oct->tx_pause) old_pause |= LIO_TX_PAUSE; new_pause = old_pause; err = sysctl_handle_int(oidp, &new_pause, 0, req); if ((err) || (req->newptr == NULL)) return (err); if (old_pause == new_pause) return (0); if (linfo->link.s.duplex == 0) { /* no flow control for half duplex */ if (new_pause) return (EINVAL); } bzero(&nctrl, sizeof(struct lio_ctrl_pkt)); nctrl.ncmd.cmd64 = 0; nctrl.ncmd.s.cmd = LIO_CMD_SET_FLOW_CTL; nctrl.iq_no = lio->linfo.txpciq[0].s.q_no; nctrl.wait_time = 100; nctrl.lio = lio; nctrl.cb_fn = lio_ctrl_cmd_completion; if (new_pause & LIO_RX_PAUSE) { /* enable rx pause */ nctrl.ncmd.s.param1 = 1; } else { /* disable rx pause */ nctrl.ncmd.s.param1 = 0; } if (new_pause & LIO_TX_PAUSE) { /* enable tx pause */ nctrl.ncmd.s.param2 = 1; } else { /* disable tx pause */ nctrl.ncmd.s.param2 = 0; } ret = lio_send_ctrl_pkt(lio->oct_dev, &nctrl); if (ret < 0) { lio_dev_err(oct, "Failed to set pause parameter\n"); return (EINVAL); } oct->rx_pause = new_pause & LIO_RX_PAUSE; oct->tx_pause = new_pause & LIO_TX_PAUSE; return (0); } /* Return register dump user app. */ static int lio_get_regs(SYSCTL_HANDLER_ARGS) { struct lio *lio = (struct lio *)arg1; struct octeon_device *oct = lio->oct_dev; struct ifnet *ifp = lio->ifp; char *regbuf; int error = EINVAL, len = 0; if (!(if_getflags(ifp) & IFF_DEBUG)) { char debug_info[30] = "Debugging is disabled"; return (sysctl_handle_string(oidp, debug_info, strlen(debug_info), req)); } regbuf = malloc(sizeof(char) * LIO_REGDUMP_LEN_XXXX, M_DEVBUF, M_WAITOK | M_ZERO); switch (oct->chip_id) { case LIO_CN23XX_PF_VID: len += lio_cn23xx_pf_read_csr_reg(regbuf, oct); break; default: len += sprintf(regbuf, "%s Unknown chipid: %d\n", __func__, oct->chip_id); } error = sysctl_handle_string(oidp, regbuf, len, req); free(regbuf, M_DEVBUF); return (error); } static int lio_cn23xx_pf_read_csr_reg(char *s, struct octeon_device *oct) { uint32_t reg; int i, len = 0; uint8_t pf_num = oct->pf_num; /* PCI Window Registers */ len += sprintf(s + len, "\t Octeon CSR Registers\n\n"); /* 0x29030 or 0x29040 */ reg = LIO_CN23XX_SLI_PKT_MAC_RINFO64(oct->pcie_port, oct->pf_num); len += sprintf(s + len, "[%08x] (SLI_PKT_MAC%d_PF%d_RINFO): %016llx\n", reg, oct->pcie_port, oct->pf_num, LIO_CAST64(lio_read_csr64(oct, reg))); /* 0x27080 or 0x27090 */ reg = LIO_CN23XX_SLI_MAC_PF_INT_ENB64(oct->pcie_port, oct->pf_num); len += sprintf(s + len, "[%08x] (SLI_MAC%d_PF%d_INT_ENB): %016llx\n", reg, oct->pcie_port, oct->pf_num, LIO_CAST64(lio_read_csr64(oct, reg))); /* 0x27000 or 0x27010 */ reg = LIO_CN23XX_SLI_MAC_PF_INT_SUM64(oct->pcie_port, oct->pf_num); len += sprintf(s + len, "[%08x] (SLI_MAC%d_PF%d_INT_SUM): %016llx\n", reg, oct->pcie_port, oct->pf_num, LIO_CAST64(lio_read_csr64(oct, reg))); /* 0x29120 */ reg = 0x29120; len += sprintf(s + len, "[%08x] (SLI_PKT_MEM_CTL): %016llx\n", reg, LIO_CAST64(lio_read_csr64(oct, reg))); /* 0x27300 */ reg = 0x27300 + oct->pcie_port * LIO_CN23XX_MAC_INT_OFFSET + (oct->pf_num) * LIO_CN23XX_PF_INT_OFFSET; len += sprintf(s + len, "[%08x] (SLI_MAC%d_PF%d_PKT_VF_INT): %016llx\n", reg, oct->pcie_port, oct->pf_num, LIO_CAST64(lio_read_csr64(oct, reg))); /* 0x27200 */ reg = 0x27200 + oct->pcie_port * LIO_CN23XX_MAC_INT_OFFSET + (oct->pf_num) * LIO_CN23XX_PF_INT_OFFSET; len += sprintf(s + len, "[%08x] (SLI_MAC%d_PF%d_PP_VF_INT): %016llx\n", reg, oct->pcie_port, oct->pf_num, LIO_CAST64(lio_read_csr64(oct, reg))); /* 29130 */ reg = LIO_CN23XX_SLI_PKT_CNT_INT; len += sprintf(s + len, "[%08x] (SLI_PKT_CNT_INT): %016llx\n", reg, LIO_CAST64(lio_read_csr64(oct, reg))); /* 0x29140 */ reg = LIO_CN23XX_SLI_PKT_TIME_INT; len += sprintf(s + len, "[%08x] (SLI_PKT_TIME_INT): %016llx\n", reg, LIO_CAST64(lio_read_csr64(oct, reg))); /* 0x29160 */ reg = 0x29160; len += sprintf(s + len, "[%08x] (SLI_PKT_INT): %016llx\n", reg, LIO_CAST64(lio_read_csr64(oct, reg))); /* 0x29180 */ reg = LIO_CN23XX_SLI_OQ_WMARK; len += sprintf(s + len, "[%08x] (SLI_PKT_OUTPUT_WMARK): %016llx\n", reg, LIO_CAST64(lio_read_csr64(oct, reg))); /* 0x291E0 */ reg = LIO_CN23XX_SLI_PKT_IOQ_RING_RST; len += sprintf(s + len, "[%08x] (SLI_PKT_RING_RST): %016llx\n", reg, LIO_CAST64(lio_read_csr64(oct, reg))); /* 0x29210 */ reg = LIO_CN23XX_SLI_GBL_CONTROL; len += sprintf(s + len, "[%08x] (SLI_PKT_GBL_CONTROL): %016llx\n", reg, LIO_CAST64(lio_read_csr64(oct, reg))); /* 0x29220 */ reg = 0x29220; len += sprintf(s + len, "[%08x] (SLI_PKT_BIST_STATUS): %016llx\n", reg, LIO_CAST64(lio_read_csr64(oct, reg))); /* PF only */ if (pf_num == 0) { /* 0x29260 */ reg = LIO_CN23XX_SLI_OUT_BP_EN_W1S; len += sprintf(s + len, "[%08x] (SLI_PKT_OUT_BP_EN_W1S): %016llx\n", reg, LIO_CAST64(lio_read_csr64(oct, reg))); } else if (pf_num == 1) { /* 0x29270 */ reg = LIO_CN23XX_SLI_OUT_BP_EN2_W1S; len += sprintf(s + len, "[%08x] (SLI_PKT_OUT_BP_EN2_W1S): %016llx\n", reg, LIO_CAST64(lio_read_csr64(oct, reg))); } for (i = 0; i < LIO_CN23XX_PF_MAX_OUTPUT_QUEUES; i++) { reg = LIO_CN23XX_SLI_OQ_BUFF_INFO_SIZE(i); len += sprintf(s + len, "[%08x] (SLI_PKT%d_OUT_SIZE): %016llx\n", reg, i, LIO_CAST64(lio_read_csr64(oct, reg))); } /* 0x10040 */ for (i = 0; i < LIO_CN23XX_PF_MAX_INPUT_QUEUES; i++) { reg = LIO_CN23XX_SLI_IQ_INSTR_COUNT64(i); len += sprintf(s + len, "[%08x] (SLI_PKT_IN_DONE%d_CNTS): %016llx\n", reg, i, LIO_CAST64(lio_read_csr64(oct, reg))); } /* 0x10080 */ for (i = 0; i < LIO_CN23XX_PF_MAX_OUTPUT_QUEUES; i++) { reg = LIO_CN23XX_SLI_OQ_PKTS_CREDIT(i); len += sprintf(s + len, "[%08x] (SLI_PKT%d_SLIST_BAOFF_DBELL): %016llx\n", reg, i, LIO_CAST64(lio_read_csr64(oct, reg))); } /* 0x10090 */ for (i = 0; i < LIO_CN23XX_PF_MAX_OUTPUT_QUEUES; i++) { reg = LIO_CN23XX_SLI_OQ_SIZE(i); len += sprintf(s + len, "[%08x] (SLI_PKT%d_SLIST_FIFO_RSIZE): %016llx\n", reg, i, LIO_CAST64(lio_read_csr64(oct, reg))); } /* 0x10050 */ for (i = 0; i < LIO_CN23XX_PF_MAX_OUTPUT_QUEUES; i++) { reg = LIO_CN23XX_SLI_OQ_PKT_CONTROL(i); len += sprintf(s + len, "[%08x] (SLI_PKT%d__OUTPUT_CONTROL): %016llx\n", reg, i, LIO_CAST64(lio_read_csr64(oct, reg))); } /* 0x10070 */ for (i = 0; i < LIO_CN23XX_PF_MAX_OUTPUT_QUEUES; i++) { reg = LIO_CN23XX_SLI_OQ_BASE_ADDR64(i); len += sprintf(s + len, "[%08x] (SLI_PKT%d_SLIST_BADDR): %016llx\n", reg, i, LIO_CAST64(lio_read_csr64(oct, reg))); } /* 0x100a0 */ for (i = 0; i < LIO_CN23XX_PF_MAX_OUTPUT_QUEUES; i++) { reg = LIO_CN23XX_SLI_OQ_PKT_INT_LEVELS(i); len += sprintf(s + len, "[%08x] (SLI_PKT%d_INT_LEVELS): %016llx\n", reg, i, LIO_CAST64(lio_read_csr64(oct, reg))); } /* 0x100b0 */ for (i = 0; i < LIO_CN23XX_PF_MAX_OUTPUT_QUEUES; i++) { reg = LIO_CN23XX_SLI_OQ_PKTS_SENT(i); len += sprintf(s + len, "[%08x] (SLI_PKT%d_CNTS): %016llx\n", reg, i, LIO_CAST64(lio_read_csr64(oct, reg))); } /* 0x100c0 */ for (i = 0; i < LIO_CN23XX_PF_MAX_OUTPUT_QUEUES; i++) { reg = 0x100c0 + i * LIO_CN23XX_OQ_OFFSET; len += sprintf(s + len, "[%08x] (SLI_PKT%d_ERROR_INFO): %016llx\n", reg, i, LIO_CAST64(lio_read_csr64(oct, reg))); } /* 0x10000 */ for (i = 0; i < LIO_CN23XX_PF_MAX_INPUT_QUEUES; i++) { reg = LIO_CN23XX_SLI_IQ_PKT_CONTROL64(i); len += sprintf(s + len, "[%08x] (SLI_PKT%d_INPUT_CONTROL): %016llx\n", reg, i, LIO_CAST64(lio_read_csr64(oct, reg))); } /* 0x10010 */ for (i = 0; i < LIO_CN23XX_PF_MAX_INPUT_QUEUES; i++) { reg = LIO_CN23XX_SLI_IQ_BASE_ADDR64(i); len += sprintf(s + len, "[%08x] (SLI_PKT%d_INSTR_BADDR): %016llx\n", reg, i, LIO_CAST64(lio_read_csr64(oct, reg))); } /* 0x10020 */ for (i = 0; i < LIO_CN23XX_PF_MAX_INPUT_QUEUES; i++) { reg = LIO_CN23XX_SLI_IQ_DOORBELL(i); len += sprintf(s + len, "[%08x] (SLI_PKT%d_INSTR_BAOFF_DBELL): %016llx\n", reg, i, LIO_CAST64(lio_read_csr64(oct, reg))); } /* 0x10030 */ for (i = 0; i < LIO_CN23XX_PF_MAX_INPUT_QUEUES; i++) { reg = LIO_CN23XX_SLI_IQ_SIZE(i); len += sprintf(s + len, "[%08x] (SLI_PKT%d_INSTR_FIFO_RSIZE): %016llx\n", reg, i, LIO_CAST64(lio_read_csr64(oct, reg))); } /* 0x10040 */ for (i = 0; i < LIO_CN23XX_PF_MAX_INPUT_QUEUES; i++) reg = LIO_CN23XX_SLI_IQ_INSTR_COUNT64(i); len += sprintf(s + len, "[%08x] (SLI_PKT_IN_DONE%d_CNTS): %016llx\n", reg, i, LIO_CAST64(lio_read_csr64(oct, reg))); return (len); } static int lio_get_ringparam(SYSCTL_HANDLER_ARGS) { struct lio *lio = (struct lio *)arg1; struct octeon_device *oct = lio->oct_dev; uint32_t rx_max_pending = 0, tx_max_pending = 0; int err; if (LIO_CN23XX_PF(oct)) { tx_max_pending = LIO_CN23XX_MAX_IQ_DESCRIPTORS; rx_max_pending = LIO_CN23XX_MAX_OQ_DESCRIPTORS; } switch (arg2) { case LIO_SET_RING_RX: err = sysctl_handle_int(oidp, &rx_max_pending, 0, req); break; case LIO_SET_RING_TX: err = sysctl_handle_int(oidp, &tx_max_pending, 0, req); break; } return (err); } static int lio_reset_queues(struct ifnet *ifp, uint32_t num_qs) { struct lio *lio = if_getsoftc(ifp); struct octeon_device *oct = lio->oct_dev; int i, update = 0; if (lio_wait_for_pending_requests(oct)) lio_dev_err(oct, "There were pending requests\n"); if (lio_wait_for_instr_fetch(oct)) lio_dev_err(oct, "IQ had pending instructions\n"); /* * Disable the input and output queues now. No more packets will * arrive from Octeon. */ oct->fn_list.disable_io_queues(oct); if (num_qs != oct->num_iqs) update = 1; for (i = 0; i < LIO_MAX_OUTPUT_QUEUES(oct); i++) { if (!(oct->io_qmask.oq & BIT_ULL(i))) continue; lio_delete_droq(oct, i); } for (i = 0; i < LIO_MAX_INSTR_QUEUES(oct); i++) { if (!(oct->io_qmask.iq & BIT_ULL(i))) continue; lio_delete_instr_queue(oct, i); } if (oct->fn_list.setup_device_regs(oct)) { lio_dev_err(oct, "Failed to configure device registers\n"); return (-1); } if (lio_setup_io_queues(oct, 0, num_qs, num_qs)) { lio_dev_err(oct, "IO queues initialization failed\n"); return (-1); } if (update && lio_send_queue_count_update(ifp, num_qs)) return (-1); return (0); } static int lio_set_ringparam(SYSCTL_HANDLER_ARGS) { struct lio *lio = (struct lio *)arg1; struct octeon_device *oct = lio->oct_dev; uint32_t rx_count, rx_count_old, tx_count, tx_count_old; int err, stopped = 0; if (!LIO_CN23XX_PF(oct)) return (EINVAL); switch (arg2) { case LIO_SET_RING_RX: rx_count = rx_count_old = oct->droq[0]->max_count; err = sysctl_handle_int(oidp, &rx_count, 0, req); if ((err) || (req->newptr == NULL)) return (err); rx_count = min(max(rx_count, LIO_CN23XX_MIN_OQ_DESCRIPTORS), LIO_CN23XX_MAX_OQ_DESCRIPTORS); if (rx_count == rx_count_old) return (0); lio_ifstate_set(lio, LIO_IFSTATE_RESETTING); if (if_getdrvflags(lio->ifp) & IFF_DRV_RUNNING) { lio_stop(lio->ifp); stopped = 1; } /* Change RX DESCS count */ LIO_SET_NUM_RX_DESCS_NIC_IF(lio_get_conf(oct), lio->ifidx, rx_count); break; case LIO_SET_RING_TX: tx_count = tx_count_old = oct->instr_queue[0]->max_count; err = sysctl_handle_int(oidp, &tx_count, 0, req); if ((err) || (req->newptr == NULL)) return (err); tx_count = min(max(tx_count, LIO_CN23XX_MIN_IQ_DESCRIPTORS), LIO_CN23XX_MAX_IQ_DESCRIPTORS); if (tx_count == tx_count_old) return (0); lio_ifstate_set(lio, LIO_IFSTATE_RESETTING); if (if_getdrvflags(lio->ifp) & IFF_DRV_RUNNING) { lio_stop(lio->ifp); stopped = 1; } /* Change TX DESCS count */ LIO_SET_NUM_TX_DESCS_NIC_IF(lio_get_conf(oct), lio->ifidx, tx_count); break; } if (lio_reset_queues(lio->ifp, lio->linfo.num_txpciq)) goto err_lio_reset_queues; lio_irq_reallocate_irqs(oct, lio->linfo.num_txpciq); if (stopped) lio_open(lio); lio_ifstate_reset(lio, LIO_IFSTATE_RESETTING); return (0); err_lio_reset_queues: if (arg2 == LIO_SET_RING_RX && rx_count != rx_count_old) LIO_SET_NUM_RX_DESCS_NIC_IF(lio_get_conf(oct), lio->ifidx, rx_count_old); if (arg2 == LIO_SET_RING_TX && tx_count != tx_count_old) LIO_SET_NUM_TX_DESCS_NIC_IF(lio_get_conf(oct), lio->ifidx, tx_count_old); return (EINVAL); } static int lio_get_channels(SYSCTL_HANDLER_ARGS) { struct lio *lio = (struct lio *)arg1; struct octeon_device *oct = lio->oct_dev; uint32_t max_combined = 0; if (LIO_CN23XX_PF(oct)) max_combined = lio->linfo.num_txpciq; return (sysctl_handle_int(oidp, &max_combined, 0, req)); } static int lio_irq_reallocate_irqs(struct octeon_device *oct, uint32_t num_ioqs) { int i, num_msix_irqs = 0; if (!oct->msix_on) return (0); /* * Disable the input and output queues now. No more packets will * arrive from Octeon. */ oct->fn_list.disable_interrupt(oct, OCTEON_ALL_INTR); if (oct->msix_on) { if (LIO_CN23XX_PF(oct)) num_msix_irqs = oct->num_msix_irqs - 1; for (i = 0; i < num_msix_irqs; i++) { if (oct->ioq_vector[i].tag != NULL) { bus_teardown_intr(oct->device, oct->ioq_vector[i].msix_res, oct->ioq_vector[i].tag); oct->ioq_vector[i].tag = NULL; } if (oct->ioq_vector[i].msix_res != NULL) { bus_release_resource(oct->device, SYS_RES_IRQ, oct->ioq_vector[i].vector, oct->ioq_vector[i].msix_res); oct->ioq_vector[i].msix_res = NULL; } } if (oct->tag != NULL) { bus_teardown_intr(oct->device, oct->msix_res, oct->tag); oct->tag = NULL; } if (oct->msix_res != NULL) { bus_release_resource(oct->device, SYS_RES_IRQ, oct->aux_vector, oct->msix_res); oct->msix_res = NULL; } pci_release_msi(oct->device); } if (lio_setup_interrupt(oct, num_ioqs)) { lio_dev_info(oct, "Setup interuupt failed\n"); return (1); } /* Enable Octeon device interrupts */ oct->fn_list.enable_interrupt(oct, OCTEON_ALL_INTR); return (0); } static int lio_set_channels(SYSCTL_HANDLER_ARGS) { struct lio *lio = (struct lio *)arg1; struct octeon_device *oct = lio->oct_dev; uint32_t combined_count, max_combined; int err, stopped = 0; if (strcmp(oct->fw_info.lio_firmware_version, "1.6.1") < 0) { lio_dev_err(oct, "Minimum firmware version required is 1.6.1\n"); return (EINVAL); } combined_count = oct->num_iqs; err = sysctl_handle_int(oidp, &combined_count, 0, req); if ((err) || (req->newptr == NULL)) return (err); if (!combined_count) return (EINVAL); if (LIO_CN23XX_PF(oct)) { max_combined = lio->linfo.num_txpciq; } else { return (EINVAL); } if ((combined_count > max_combined) || (combined_count < 1)) return (EINVAL); if (combined_count == oct->num_iqs) return (0); lio_ifstate_set(lio, LIO_IFSTATE_RESETTING); if (if_getdrvflags(lio->ifp) & IFF_DRV_RUNNING) { lio_stop(lio->ifp); stopped = 1; } if (lio_reset_queues(lio->ifp, combined_count)) return (EINVAL); lio_irq_reallocate_irqs(oct, combined_count); if (stopped) lio_open(lio); lio_ifstate_reset(lio, LIO_IFSTATE_RESETTING); return (0); } static int lio_get_set_fwmsglevel(SYSCTL_HANDLER_ARGS) { struct lio *lio = (struct lio *)arg1; struct ifnet *ifp = lio->ifp; int err, new_msglvl = 0, old_msglvl = 0; if (lio_ifstate_check(lio, LIO_IFSTATE_RESETTING)) return (ENXIO); old_msglvl = new_msglvl = lio->msg_enable; err = sysctl_handle_int(oidp, &new_msglvl, 0, req); if ((err) || (req->newptr == NULL)) return (err); if (old_msglvl == new_msglvl) return (0); if (new_msglvl ^ lio->msg_enable) { if (new_msglvl) err = lio_set_feature(ifp, LIO_CMD_VERBOSE_ENABLE, 0); else err = lio_set_feature(ifp, LIO_CMD_VERBOSE_DISABLE, 0); } lio->msg_enable = new_msglvl; return ((err) ? EINVAL : 0); } static int lio_set_stats_interval(SYSCTL_HANDLER_ARGS) { struct lio *lio = (struct lio *)arg1; int err, new_time = 0, old_time = 0; old_time = new_time = lio->stats_interval; err = sysctl_handle_int(oidp, &new_time, 0, req); if ((err) || (req->newptr == NULL)) return (err); if (old_time == new_time) return (0); lio->stats_interval = new_time; return (0); } static void lio_fw_stats_callback(struct octeon_device *oct_dev, uint32_t status, void *ptr) { struct lio_soft_command *sc = (struct lio_soft_command *)ptr; struct lio_fw_stats_resp *resp = (struct lio_fw_stats_resp *)sc->virtrptr; struct octeon_rx_stats *rsp_rstats = &resp->stats.fromwire; struct octeon_tx_stats *rsp_tstats = &resp->stats.fromhost; struct octeon_rx_stats *rstats = &oct_dev->link_stats.fromwire; struct octeon_tx_stats *tstats = &oct_dev->link_stats.fromhost; struct ifnet *ifp = oct_dev->props.ifp; struct lio *lio = if_getsoftc(ifp); if ((status != LIO_REQUEST_TIMEOUT) && !resp->status) { lio_swap_8B_data((uint64_t *)&resp->stats, (sizeof(struct octeon_link_stats)) >> 3); /* RX link-level stats */ rstats->total_rcvd = rsp_rstats->total_rcvd; rstats->bytes_rcvd = rsp_rstats->bytes_rcvd; rstats->total_bcst = rsp_rstats->total_bcst; rstats->total_mcst = rsp_rstats->total_mcst; rstats->runts = rsp_rstats->runts; rstats->ctl_rcvd = rsp_rstats->ctl_rcvd; /* Accounts for over/under-run of buffers */ rstats->fifo_err = rsp_rstats->fifo_err; rstats->dmac_drop = rsp_rstats->dmac_drop; rstats->fcs_err = rsp_rstats->fcs_err; rstats->jabber_err = rsp_rstats->jabber_err; rstats->l2_err = rsp_rstats->l2_err; rstats->frame_err = rsp_rstats->frame_err; /* RX firmware stats */ rstats->fw_total_rcvd = rsp_rstats->fw_total_rcvd; rstats->fw_total_fwd = rsp_rstats->fw_total_fwd; rstats->fw_err_pko = rsp_rstats->fw_err_pko; rstats->fw_err_link = rsp_rstats->fw_err_link; rstats->fw_err_drop = rsp_rstats->fw_err_drop; rstats->fw_rx_vxlan = rsp_rstats->fw_rx_vxlan; rstats->fw_rx_vxlan_err = rsp_rstats->fw_rx_vxlan_err; /* Number of packets that are LROed */ rstats->fw_lro_pkts = rsp_rstats->fw_lro_pkts; /* Number of octets that are LROed */ rstats->fw_lro_octs = rsp_rstats->fw_lro_octs; /* Number of LRO packets formed */ rstats->fw_total_lro = rsp_rstats->fw_total_lro; /* Number of times lRO of packet aborted */ rstats->fw_lro_aborts = rsp_rstats->fw_lro_aborts; rstats->fw_lro_aborts_port = rsp_rstats->fw_lro_aborts_port; rstats->fw_lro_aborts_seq = rsp_rstats->fw_lro_aborts_seq; rstats->fw_lro_aborts_tsval = rsp_rstats->fw_lro_aborts_tsval; rstats->fw_lro_aborts_timer = rsp_rstats->fw_lro_aborts_timer; /* intrmod: packet forward rate */ rstats->fwd_rate = rsp_rstats->fwd_rate; /* TX link-level stats */ tstats->total_pkts_sent = rsp_tstats->total_pkts_sent; tstats->total_bytes_sent = rsp_tstats->total_bytes_sent; tstats->mcast_pkts_sent = rsp_tstats->mcast_pkts_sent; tstats->bcast_pkts_sent = rsp_tstats->bcast_pkts_sent; tstats->ctl_sent = rsp_tstats->ctl_sent; /* Packets sent after one collision */ tstats->one_collision_sent = rsp_tstats->one_collision_sent; /* Packets sent after multiple collision */ tstats->multi_collision_sent = rsp_tstats->multi_collision_sent; /* Packets not sent due to max collisions */ tstats->max_collision_fail = rsp_tstats->max_collision_fail; /* Packets not sent due to max deferrals */ tstats->max_deferral_fail = rsp_tstats->max_deferral_fail; /* Accounts for over/under-run of buffers */ tstats->fifo_err = rsp_tstats->fifo_err; tstats->runts = rsp_tstats->runts; /* Total number of collisions detected */ tstats->total_collisions = rsp_tstats->total_collisions; /* firmware stats */ tstats->fw_total_sent = rsp_tstats->fw_total_sent; tstats->fw_total_fwd = rsp_tstats->fw_total_fwd; tstats->fw_err_pko = rsp_tstats->fw_err_pko; tstats->fw_err_pki = rsp_tstats->fw_err_pki; tstats->fw_err_link = rsp_tstats->fw_err_link; tstats->fw_err_drop = rsp_tstats->fw_err_drop; tstats->fw_tso = rsp_tstats->fw_tso; tstats->fw_tso_fwd = rsp_tstats->fw_tso_fwd; tstats->fw_err_tso = rsp_tstats->fw_err_tso; tstats->fw_tx_vxlan = rsp_tstats->fw_tx_vxlan; } lio_free_soft_command(oct_dev, sc); callout_schedule(&lio->stats_timer, lio_ms_to_ticks(lio->stats_interval)); } /* Configure interrupt moderation parameters */ static void lio_get_fw_stats(void *arg) { struct lio *lio = arg; struct octeon_device *oct_dev = lio->oct_dev; struct lio_soft_command *sc; struct lio_fw_stats_resp *resp; int retval; if (callout_pending(&lio->stats_timer) || callout_active(&lio->stats_timer) == 0) return; /* Alloc soft command */ sc = lio_alloc_soft_command(oct_dev, 0, sizeof(struct lio_fw_stats_resp), 0); if (sc == NULL) goto alloc_sc_failed; resp = (struct lio_fw_stats_resp *)sc->virtrptr; bzero(resp, sizeof(struct lio_fw_stats_resp)); sc->iq_no = lio->linfo.txpciq[0].s.q_no; lio_prepare_soft_command(oct_dev, sc, LIO_OPCODE_NIC, LIO_OPCODE_NIC_PORT_STATS, 0, 0, 0); sc->callback = lio_fw_stats_callback; sc->callback_arg = sc; sc->wait_time = 500; /* in milli seconds */ retval = lio_send_soft_command(oct_dev, sc); if (retval == LIO_IQ_SEND_FAILED) goto send_sc_failed; return; send_sc_failed: lio_free_soft_command(oct_dev, sc); alloc_sc_failed: callout_schedule(&lio->stats_timer, lio_ms_to_ticks(lio->stats_interval)); } /* Callback function for intrmod */ static void lio_get_intrmod_callback(struct octeon_device *oct_dev, uint32_t status, void *ptr) { struct lio_soft_command *sc = (struct lio_soft_command *)ptr; struct ifnet *ifp = oct_dev->props.ifp; struct lio *lio = if_getsoftc(ifp); struct lio_intrmod_resp *resp; if (status) { lio_dev_err(oct_dev, "Failed to get intrmod\n"); } else { resp = (struct lio_intrmod_resp *)sc->virtrptr; lio_swap_8B_data((uint64_t *)&resp->intrmod, (sizeof(struct octeon_intrmod_cfg)) / 8); memcpy(&lio->intrmod_cfg, &resp->intrmod, sizeof(struct octeon_intrmod_cfg)); } lio_free_soft_command(oct_dev, sc); } /* get interrupt moderation parameters */ static int lio_get_intrmod_cfg(struct lio *lio, struct octeon_intrmod_cfg *intr_cfg) { struct lio_soft_command *sc; struct lio_intrmod_resp *resp; struct octeon_device *oct_dev = lio->oct_dev; int retval; /* Alloc soft command */ sc = lio_alloc_soft_command(oct_dev, 0, sizeof(struct lio_intrmod_resp), 0); if (sc == NULL) return (ENOMEM); resp = (struct lio_intrmod_resp *)sc->virtrptr; bzero(resp, sizeof(struct lio_intrmod_resp)); sc->iq_no = lio->linfo.txpciq[0].s.q_no; lio_prepare_soft_command(oct_dev, sc, LIO_OPCODE_NIC, LIO_OPCODE_NIC_INTRMOD_PARAMS, 0, 0, 0); sc->callback = lio_get_intrmod_callback; sc->callback_arg = sc; sc->wait_time = 1000; retval = lio_send_soft_command(oct_dev, sc); if (retval == LIO_IQ_SEND_FAILED) { lio_free_soft_command(oct_dev, sc); return (EINVAL); } return (0); } static void lio_set_intrmod_callback(struct octeon_device *oct_dev, uint32_t status, void *ptr) { struct lio_soft_command *sc = (struct lio_soft_command *)ptr; struct lio_intrmod_context *ctx; ctx = (struct lio_intrmod_context *)sc->ctxptr; ctx->status = status; ctx->cond = 1; /* * This barrier is required to be sure that the response has been * written fully before waking up the handler */ wmb(); } /* Configure interrupt moderation parameters */ static int lio_set_intrmod_cfg(struct lio *lio, struct octeon_intrmod_cfg *intr_cfg) { struct lio_soft_command *sc; struct lio_intrmod_context *ctx; struct octeon_intrmod_cfg *cfg; struct octeon_device *oct_dev = lio->oct_dev; int retval; /* Alloc soft command */ sc = lio_alloc_soft_command(oct_dev, sizeof(struct octeon_intrmod_cfg), 0, sizeof(struct lio_intrmod_context)); if (sc == NULL) return (ENOMEM); ctx = (struct lio_intrmod_context *)sc->ctxptr; ctx->cond = 0; ctx->octeon_id = lio_get_device_id(oct_dev); cfg = (struct octeon_intrmod_cfg *)sc->virtdptr; memcpy(cfg, intr_cfg, sizeof(struct octeon_intrmod_cfg)); lio_swap_8B_data((uint64_t *)cfg, (sizeof(struct octeon_intrmod_cfg)) / 8); sc->iq_no = lio->linfo.txpciq[0].s.q_no; lio_prepare_soft_command(oct_dev, sc, LIO_OPCODE_NIC, LIO_OPCODE_NIC_INTRMOD_CFG, 0, 0, 0); sc->callback = lio_set_intrmod_callback; sc->callback_arg = sc; sc->wait_time = 1000; retval = lio_send_soft_command(oct_dev, sc); if (retval == LIO_IQ_SEND_FAILED) { lio_free_soft_command(oct_dev, sc); return (EINVAL); } /* * Sleep on a wait queue till the cond flag indicates that the * response arrived or timed-out. */ lio_sleep_cond(oct_dev, &ctx->cond); retval = ctx->status; if (retval) lio_dev_err(oct_dev, "intrmod config failed. Status: %llx\n", LIO_CAST64(retval)); else lio_dev_info(oct_dev, "Rx-Adaptive Interrupt moderation enabled:%llx\n", LIO_CAST64(intr_cfg->rx_enable)); lio_free_soft_command(oct_dev, sc); return ((retval) ? ETIMEDOUT : 0); } static int lio_intrmod_cfg_rx_intrcnt(struct lio *lio, struct octeon_intrmod_cfg *intrmod, uint32_t rx_max_frames) { struct octeon_device *oct = lio->oct_dev; uint32_t rx_max_coalesced_frames; /* Config Cnt based interrupt values */ switch (oct->chip_id) { case LIO_CN23XX_PF_VID:{ int q_no; if (!rx_max_frames) rx_max_coalesced_frames = intrmod->rx_frames; else rx_max_coalesced_frames = rx_max_frames; for (q_no = 0; q_no < oct->num_oqs; q_no++) { q_no += oct->sriov_info.pf_srn; lio_write_csr64(oct, LIO_CN23XX_SLI_OQ_PKT_INT_LEVELS(q_no), (lio_read_csr64(oct, LIO_CN23XX_SLI_OQ_PKT_INT_LEVELS(q_no)) & (0x3fffff00000000UL)) | (rx_max_coalesced_frames - 1)); /* consider setting resend bit */ } intrmod->rx_frames = rx_max_coalesced_frames; oct->rx_max_coalesced_frames = rx_max_coalesced_frames; break; } default: return (EINVAL); } return (0); } static int lio_intrmod_cfg_rx_intrtime(struct lio *lio, struct octeon_intrmod_cfg *intrmod, uint32_t rx_usecs) { struct octeon_device *oct = lio->oct_dev; uint32_t rx_coalesce_usecs; /* Config Time based interrupt values */ switch (oct->chip_id) { case LIO_CN23XX_PF_VID:{ uint64_t time_threshold; int q_no; if (!rx_usecs) rx_coalesce_usecs = intrmod->rx_usecs; else rx_coalesce_usecs = rx_usecs; time_threshold = lio_cn23xx_pf_get_oq_ticks(oct, rx_coalesce_usecs); for (q_no = 0; q_no < oct->num_oqs; q_no++) { q_no += oct->sriov_info.pf_srn; lio_write_csr64(oct, LIO_CN23XX_SLI_OQ_PKT_INT_LEVELS(q_no), (intrmod->rx_frames | ((uint64_t)time_threshold << 32))); /* consider writing to resend bit here */ } intrmod->rx_usecs = rx_coalesce_usecs; oct->rx_coalesce_usecs = rx_coalesce_usecs; break; } default: return (EINVAL); } return (0); } static int lio_intrmod_cfg_tx_intrcnt(struct lio *lio, struct octeon_intrmod_cfg *intrmod, uint32_t tx_max_frames) { struct octeon_device *oct = lio->oct_dev; uint64_t val; uint32_t iq_intr_pkt; uint32_t inst_cnt_reg; /* Config Cnt based interrupt values */ switch (oct->chip_id) { case LIO_CN23XX_PF_VID:{ int q_no; if (!tx_max_frames) iq_intr_pkt = LIO_CN23XX_DEF_IQ_INTR_THRESHOLD & LIO_CN23XX_PKT_IN_DONE_WMARK_MASK; else iq_intr_pkt = tx_max_frames & LIO_CN23XX_PKT_IN_DONE_WMARK_MASK; for (q_no = 0; q_no < oct->num_iqs; q_no++) { inst_cnt_reg = (oct->instr_queue[q_no])->inst_cnt_reg; val = lio_read_csr64(oct, inst_cnt_reg); /* * clear wmark and count.dont want to write * count back */ val = (val & 0xFFFF000000000000ULL) | ((uint64_t)(iq_intr_pkt - 1) << LIO_CN23XX_PKT_IN_DONE_WMARK_BIT_POS); lio_write_csr64(oct, inst_cnt_reg, val); /* consider setting resend bit */ } intrmod->tx_frames = iq_intr_pkt; oct->tx_max_coalesced_frames = iq_intr_pkt; break; } default: return (-EINVAL); } return (0); } static int lio_get_set_intr_coalesce(SYSCTL_HANDLER_ARGS) { struct lio *lio = (struct lio *)arg1; struct octeon_device *oct = lio->oct_dev; uint64_t new_val = 0, old_val = 0; uint32_t rx_coalesce_usecs = 0; uint32_t rx_max_coalesced_frames = 0; uint32_t tx_coalesce_usecs = 0; int err, ret; switch (arg2) { case LIO_USE_ADAPTIVE_RX_COALESCE: if (lio->intrmod_cfg.rx_enable) new_val = old_val = lio->intrmod_cfg.rx_enable; err = sysctl_handle_64(oidp, &new_val, 0, req); if ((err) || (req->newptr == NULL)) return (err); if (old_val == new_val) return (0); lio->intrmod_cfg.rx_enable = new_val ? 1 : 0; break; case LIO_USE_ADAPTIVE_TX_COALESCE: if (lio->intrmod_cfg.tx_enable) new_val = old_val = lio->intrmod_cfg.tx_enable; err = sysctl_handle_64(oidp, &new_val, 0, req); if ((err) || (req->newptr == NULL)) return (err); if (old_val == new_val) return (0); lio->intrmod_cfg.tx_enable = new_val ? 1 : 0; break; case LIO_RX_COALESCE_USECS: if (!lio->intrmod_cfg.rx_enable) new_val = old_val = oct->rx_coalesce_usecs; err = sysctl_handle_64(oidp, &new_val, 0, req); if ((err) || (req->newptr == NULL)) return (err); if (old_val == new_val) return (0); rx_coalesce_usecs = new_val; break; case LIO_RX_MAX_COALESCED_FRAMES: if (!lio->intrmod_cfg.rx_enable) new_val = old_val = oct->rx_max_coalesced_frames; err = sysctl_handle_64(oidp, &new_val, 0, req); if ((err) || (req->newptr == NULL)) return (err); if (old_val == new_val) return (0); rx_max_coalesced_frames = new_val; break; case LIO_TX_MAX_COALESCED_FRAMES: if (!lio->intrmod_cfg.tx_enable) new_val = old_val = oct->tx_max_coalesced_frames; err = sysctl_handle_64(oidp, &new_val, 0, req); if ((err) || (req->newptr == NULL)) return (err); if (old_val == new_val) return (0); tx_coalesce_usecs = new_val; break; case LIO_PKT_RATE_LOW: if (lio->intrmod_cfg.rx_enable) new_val = old_val = lio->intrmod_cfg.minpkt_ratethr; err = sysctl_handle_64(oidp, &new_val, 0, req); if ((err) || (req->newptr == NULL)) return (err); if (old_val == new_val) return (0); if (lio->intrmod_cfg.rx_enable || lio->intrmod_cfg.tx_enable) lio->intrmod_cfg.minpkt_ratethr = new_val; break; case LIO_RX_COALESCE_USECS_LOW: if (lio->intrmod_cfg.rx_enable) new_val = old_val = lio->intrmod_cfg.rx_mintmr_trigger; err = sysctl_handle_64(oidp, &new_val, 0, req); if ((err) || (req->newptr == NULL)) return (err); if (old_val == new_val) return (0); if (lio->intrmod_cfg.rx_enable) lio->intrmod_cfg.rx_mintmr_trigger = new_val; break; case LIO_RX_MAX_COALESCED_FRAMES_LOW: if (lio->intrmod_cfg.rx_enable) new_val = old_val = lio->intrmod_cfg.rx_mincnt_trigger; err = sysctl_handle_64(oidp, &new_val, 0, req); if ((err) || (req->newptr == NULL)) return (err); if (old_val == new_val) return (0); if (lio->intrmod_cfg.rx_enable) lio->intrmod_cfg.rx_mincnt_trigger = new_val; break; case LIO_TX_MAX_COALESCED_FRAMES_LOW: if (lio->intrmod_cfg.tx_enable) new_val = old_val = lio->intrmod_cfg.tx_mincnt_trigger; err = sysctl_handle_64(oidp, &new_val, 0, req); if ((err) || (req->newptr == NULL)) return (err); if (old_val == new_val) return (0); if (lio->intrmod_cfg.tx_enable) lio->intrmod_cfg.tx_mincnt_trigger = new_val; break; case LIO_PKT_RATE_HIGH: if (lio->intrmod_cfg.rx_enable) new_val = old_val = lio->intrmod_cfg.maxpkt_ratethr; err = sysctl_handle_64(oidp, &new_val, 0, req); if ((err) || (req->newptr == NULL)) return (err); if (old_val == new_val) return (0); if (lio->intrmod_cfg.rx_enable || lio->intrmod_cfg.tx_enable) lio->intrmod_cfg.maxpkt_ratethr = new_val; break; case LIO_RX_COALESCE_USECS_HIGH: if (lio->intrmod_cfg.rx_enable) new_val = old_val = lio->intrmod_cfg.rx_maxtmr_trigger; err = sysctl_handle_64(oidp, &new_val, 0, req); if ((err) || (req->newptr == NULL)) return (err); if (old_val == new_val) return (0); if (lio->intrmod_cfg.rx_enable) lio->intrmod_cfg.rx_maxtmr_trigger = new_val; break; case LIO_RX_MAX_COALESCED_FRAMES_HIGH: if (lio->intrmod_cfg.rx_enable) new_val = old_val = lio->intrmod_cfg.rx_maxcnt_trigger; err = sysctl_handle_64(oidp, &new_val, 0, req); if ((err) || (req->newptr == NULL)) return (err); if (old_val == new_val) return (0); if (lio->intrmod_cfg.rx_enable) lio->intrmod_cfg.rx_maxcnt_trigger = new_val; break; case LIO_TX_MAX_COALESCED_FRAMES_HIGH: if (lio->intrmod_cfg.tx_enable) new_val = old_val = lio->intrmod_cfg.tx_maxcnt_trigger; err = sysctl_handle_64(oidp, &new_val, 0, req); if ((err) || (req->newptr == NULL)) return (err); if (old_val == new_val) return (0); if (lio->intrmod_cfg.tx_enable) lio->intrmod_cfg.tx_maxcnt_trigger = new_val; break; case LIO_RATE_SAMPLE_INTERVAL: if (lio->intrmod_cfg.rx_enable) new_val = old_val = lio->intrmod_cfg.check_intrvl; err = sysctl_handle_64(oidp, &new_val, 0, req); if ((err) || (req->newptr == NULL)) return (err); if (old_val == new_val) return (0); if (lio->intrmod_cfg.rx_enable || lio->intrmod_cfg.tx_enable) lio->intrmod_cfg.check_intrvl = new_val; break; default: return (EINVAL); } lio->intrmod_cfg.rx_usecs = LIO_GET_OQ_INTR_TIME_CFG(lio_get_conf(oct)); lio->intrmod_cfg.rx_frames = LIO_GET_OQ_INTR_PKT_CFG(lio_get_conf(oct)); lio->intrmod_cfg.tx_frames = LIO_GET_IQ_INTR_PKT_CFG(lio_get_conf(oct)); ret = lio_set_intrmod_cfg(lio, &lio->intrmod_cfg); if (ret) lio_dev_err(oct, "Interrupt coalescing updation to Firmware failed!\n"); if (!lio->intrmod_cfg.rx_enable) { if (!rx_coalesce_usecs) rx_coalesce_usecs = oct->rx_coalesce_usecs; if (!rx_max_coalesced_frames) rx_max_coalesced_frames = oct->rx_max_coalesced_frames; ret = lio_intrmod_cfg_rx_intrtime(lio, &lio->intrmod_cfg, rx_coalesce_usecs); if (ret) return (ret); ret = lio_intrmod_cfg_rx_intrcnt(lio, &lio->intrmod_cfg, rx_max_coalesced_frames); if (ret) return (ret); } else { oct->rx_coalesce_usecs = LIO_GET_OQ_INTR_TIME_CFG(lio_get_conf(oct)); oct->rx_max_coalesced_frames = LIO_GET_OQ_INTR_PKT_CFG(lio_get_conf(oct)); } if (!lio->intrmod_cfg.tx_enable) { if (!tx_coalesce_usecs) tx_coalesce_usecs = oct->tx_max_coalesced_frames; ret = lio_intrmod_cfg_tx_intrcnt(lio, &lio->intrmod_cfg, tx_coalesce_usecs); if (ret) return (ret); } else { oct->tx_max_coalesced_frames = LIO_GET_IQ_INTR_PKT_CFG(lio_get_conf(oct)); } return (0); }