From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stephen Hurd Subject: [PATCH 12/40] bnxt: statistics operations Date: Fri, 6 May 2016 12:25:52 -0700 Message-ID: <1462562780-47991-12-git-send-email-stephen.hurd@broadcom.com> References: <20160421100005.GA976@bricha3-MOBL3> <1462562780-47991-1-git-send-email-stephen.hurd@broadcom.com> To: dev@dpdk.org Return-path: Received: from mail-gw3-out.broadcom.com (mail-gw3-out.broadcom.com [216.31.210.64]) by dpdk.org (Postfix) with ESMTP id B4D185A0C for ; Fri, 6 May 2016 21:26:53 +0200 (CEST) Received: from mail-irva-12.broadcom.com (mail-irva-12.broadcom.com [10.11.16.101]) by mail-irv-18.broadcom.com (Postfix) with ESMTP id 6352282023 for ; Fri, 6 May 2016 12:26:53 -0700 (PDT) Received: from DPDK-C1.broadcom.com (dhcp-10-13-115-104.irv.broadcom.com [10.13.115.104]) by mail-irva-12.broadcom.com (Postfix) with ESMTP id 4F4EA12762E for ; Fri, 6 May 2016 12:26:49 -0700 (PDT) In-Reply-To: <1462562780-47991-1-git-send-email-stephen.hurd@broadcom.com> List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" Add get and clear staitstics operations and the asociated HWRM calls. Signed-off-by: Stephen Hurd Reviewed-by: Ajit Kumar Khaparde --- drivers/net/bnxt/Makefile | 1 + drivers/net/bnxt/bnxt.h | 5 +- drivers/net/bnxt/bnxt_cpr.c | 5 +- drivers/net/bnxt/bnxt_cpr.h | 2 - drivers/net/bnxt/bnxt_ethdev.c | 3 + drivers/net/bnxt/bnxt_hwrm.c | 49 ++++++++++++ drivers/net/bnxt/bnxt_hwrm.h | 8 +- drivers/net/bnxt/bnxt_rxq.c | 1 + drivers/net/bnxt/bnxt_stats.c | 142 +++++++++++++++++++++++++++++++++ drivers/net/bnxt/bnxt_stats.h | 44 ++++++++++ drivers/net/bnxt/bnxt_txq.c | 1 + drivers/net/bnxt/hsi_struct_def_dpdk.h | 107 +++++++++++++++++++++++++ 12 files changed, 358 insertions(+), 10 deletions(-) create mode 100644 drivers/net/bnxt/bnxt_stats.c create mode 100644 drivers/net/bnxt/bnxt_stats.h diff --git a/drivers/net/bnxt/Makefile b/drivers/net/bnxt/Makefile index 7320fac..de9ce76 100644 --- a/drivers/net/bnxt/Makefile +++ b/drivers/net/bnxt/Makefile @@ -54,6 +54,7 @@ SRCS-$(CONFIG_RTE_LIBRTE_BNXT_PMD) += bnxt_filter.c SRCS-$(CONFIG_RTE_LIBRTE_BNXT_PMD) += bnxt_hwrm.c SRCS-$(CONFIG_RTE_LIBRTE_BNXT_PMD) += bnxt_ring.c SRCS-$(CONFIG_RTE_LIBRTE_BNXT_PMD) += bnxt_rxq.c +SRCS-$(CONFIG_RTE_LIBRTE_BNXT_PMD) += bnxt_stats.c SRCS-$(CONFIG_RTE_LIBRTE_BNXT_PMD) += bnxt_txq.c SRCS-$(CONFIG_RTE_LIBRTE_BNXT_PMD) += bnxt_vnic.c diff --git a/drivers/net/bnxt/bnxt.h b/drivers/net/bnxt/bnxt.h index 38b590b..96f162e 100644 --- a/drivers/net/bnxt/bnxt.h +++ b/drivers/net/bnxt/bnxt.h @@ -42,9 +42,6 @@ #include #include -/* TODO make bnxt.def_cp_ring a pointer to avoid this... */ -#include "bnxt_cpr.h" - #define BNXT_MAX_MTU 9000 #define VLAN_TAG_SIZE 4 @@ -141,7 +138,7 @@ struct bnxt { struct bnxt_tx_queue **tx_queues; /* Default completion ring */ - struct bnxt_cp_ring_info def_cp_ring; + struct bnxt_cp_ring_info *def_cp_ring; unsigned nr_vnics; diff --git a/drivers/net/bnxt/bnxt_cpr.c b/drivers/net/bnxt/bnxt_cpr.c index ff82335..34e45ef 100644 --- a/drivers/net/bnxt/bnxt_cpr.c +++ b/drivers/net/bnxt/bnxt_cpr.c @@ -35,6 +35,7 @@ #include "bnxt_cpr.h" #include "bnxt_hwrm.h" #include "bnxt_ring.h" +#include "hsi_struct_def_dpdk.h" /* * Async event handling @@ -118,7 +119,7 @@ reject: /* For the default completion ring only */ void bnxt_free_def_cp_ring(struct bnxt *bp) { - struct bnxt_cp_ring_info *cpr = &bp->def_cp_ring; + struct bnxt_cp_ring_info *cpr = bp->def_cp_ring; struct bnxt_ring_struct *ring = cpr->cp_ring_struct; bnxt_free_ring(ring); @@ -127,7 +128,7 @@ void bnxt_free_def_cp_ring(struct bnxt *bp) /* For the default completion ring only */ void bnxt_init_def_ring_struct(struct bnxt *bp) { - struct bnxt_cp_ring_info *cpr = &bp->def_cp_ring; + struct bnxt_cp_ring_info *cpr = bp->def_cp_ring; struct bnxt_ring_struct *ring = cpr->cp_ring_struct; ring->bd = (void *)cpr->cp_desc_ring; diff --git a/drivers/net/bnxt/bnxt_cpr.h b/drivers/net/bnxt/bnxt_cpr.h index 878c7c9..e6333fc 100644 --- a/drivers/net/bnxt/bnxt_cpr.h +++ b/drivers/net/bnxt/bnxt_cpr.h @@ -34,8 +34,6 @@ #ifndef _BNXT_CPR_H_ #define _BNXT_CPR_H_ -#include "hsi_struct_def_dpdk.h" - #define CMP_VALID(cmp, raw_cons, ring) \ (!!(((struct cmpl_base *)(cmp))->info3_v & CMPL_BASE_V) == \ !((raw_cons) & ((ring)->ring_size))) diff --git a/drivers/net/bnxt/bnxt_ethdev.c b/drivers/net/bnxt/bnxt_ethdev.c index df39fae..786318c 100644 --- a/drivers/net/bnxt/bnxt_ethdev.c +++ b/drivers/net/bnxt/bnxt_ethdev.c @@ -42,6 +42,7 @@ #include "bnxt.h" #include "bnxt_hwrm.h" #include "bnxt_rxq.h" +#include "bnxt_stats.h" #include "bnxt_txq.h" #define DRV_MODULE_NAME "bnxt" @@ -178,6 +179,8 @@ static int bnxt_dev_configure_op(struct rte_eth_dev *eth_dev) static struct eth_dev_ops bnxt_dev_ops = { .dev_infos_get = bnxt_dev_info_get_op, .dev_configure = bnxt_dev_configure_op, + .stats_get = bnxt_stats_get_op, + .stats_reset = bnxt_stats_reset_op, .rx_queue_setup = bnxt_rx_queue_setup_op, .rx_queue_release = bnxt_rx_queue_release_op, .tx_queue_setup = bnxt_tx_queue_setup_op, diff --git a/drivers/net/bnxt/bnxt_hwrm.c b/drivers/net/bnxt/bnxt_hwrm.c index 82139ca..50d8b89 100644 --- a/drivers/net/bnxt/bnxt_hwrm.c +++ b/drivers/net/bnxt/bnxt_hwrm.c @@ -39,8 +39,11 @@ #include #include "bnxt.h" +#include "bnxt_cpr.h" #include "bnxt_filter.h" #include "bnxt_hwrm.h" +#include "bnxt_rxq.h" +#include "bnxt_txq.h" #include "hsi_struct_def_dpdk.h" #define HWRM_CMD_TIMEOUT 2000 @@ -436,10 +439,56 @@ int bnxt_hwrm_queue_qportcfg(struct bnxt *bp) return rc; } +int bnxt_hwrm_stat_clear(struct bnxt *bp, struct bnxt_cp_ring_info *cpr) +{ + int rc = 0; + struct hwrm_stat_ctx_clr_stats_input req = {.req_type = 0 }; + struct hwrm_stat_ctx_clr_stats_output *resp = bp->hwrm_cmd_resp_addr; + + HWRM_PREP(req, STAT_CTX_CLR_STATS, -1, resp); + + if (cpr->hw_stats_ctx_id == (uint32_t)HWRM_NA_SIGNATURE) + return rc; + + req.stat_ctx_id = rte_cpu_to_le_16(cpr->hw_stats_ctx_id); + req.seq_id = rte_cpu_to_le_16(bp->hwrm_cmd_seq++); + + rc = bnxt_hwrm_send_message(bp, &req, sizeof(req)); + + HWRM_CHECK_RESULT; + + return rc; +} + /* * HWRM utility functions */ +int bnxt_clear_all_hwrm_stat_ctxs(struct bnxt *bp) +{ + unsigned i; + int rc = 0; + + for (i = 0; i < bp->rx_cp_nr_rings + bp->tx_cp_nr_rings; i++) { + struct bnxt_tx_queue *txq; + struct bnxt_rx_queue *rxq; + struct bnxt_cp_ring_info *cpr; + + if (i >= bp->rx_cp_nr_rings) { + txq = bp->tx_queues[i - bp->rx_cp_nr_rings]; + cpr = txq->cp_ring; + } else { + rxq = bp->rx_queues[i]; + cpr = rxq->cp_ring; + } + + rc = bnxt_hwrm_stat_clear(bp, cpr); + if (rc) + return rc; + } + return 0; +} + void bnxt_free_hwrm_resources(struct bnxt *bp) { /* Release memzone */ diff --git a/drivers/net/bnxt/bnxt_hwrm.h b/drivers/net/bnxt/bnxt_hwrm.h index c48ba3f..0861417 100644 --- a/drivers/net/bnxt/bnxt_hwrm.h +++ b/drivers/net/bnxt/bnxt_hwrm.h @@ -37,10 +37,11 @@ #include #include -#include "bnxt.h" - #define HWRM_SEQ_ID_INVALID -1U +struct bnxt; +struct bnxt_filter_info; +struct bnxt_cp_ring_info; int bnxt_hwrm_clear_filter(struct bnxt *bp, struct bnxt_filter_info *filter); @@ -53,8 +54,11 @@ int bnxt_hwrm_func_driver_unregister(struct bnxt *bp, uint32_t flags); int bnxt_hwrm_queue_qportcfg(struct bnxt *bp); +int bnxt_hwrm_stat_clear(struct bnxt *bp, struct bnxt_cp_ring_info *cpr); + int bnxt_hwrm_ver_get(struct bnxt *bp); +int bnxt_clear_all_hwrm_stat_ctxs(struct bnxt *bp); void bnxt_free_hwrm_resources(struct bnxt *bp); int bnxt_alloc_hwrm_resources(struct bnxt *bp); int bnxt_set_hwrm_link_config(struct bnxt *bp, bool link_up); diff --git a/drivers/net/bnxt/bnxt_rxq.c b/drivers/net/bnxt/bnxt_rxq.c index 4ba5d75..b284e20 100644 --- a/drivers/net/bnxt/bnxt_rxq.c +++ b/drivers/net/bnxt/bnxt_rxq.c @@ -36,6 +36,7 @@ #include #include "bnxt.h" +#include "bnxt_cpr.h" #include "bnxt_filter.h" #include "bnxt_hwrm.h" #include "bnxt_ring.h" diff --git a/drivers/net/bnxt/bnxt_stats.c b/drivers/net/bnxt/bnxt_stats.c new file mode 100644 index 0000000..e09956d --- /dev/null +++ b/drivers/net/bnxt/bnxt_stats.c @@ -0,0 +1,142 @@ +/*- + * BSD LICENSE + * + * Copyright(c) Broadcom Limited. + * 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 Broadcom Corporation 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 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 + +#include "bnxt.h" +#include "bnxt_cpr.h" +#include "bnxt_hwrm.h" +#include "bnxt_rxq.h" +#include "bnxt_stats.h" +#include "bnxt_txq.h" +#include "hsi_struct_def_dpdk.h" + +/* + * Statistics functions + */ + +void bnxt_free_stats(struct bnxt *bp) +{ + int i; + + for (i = 0; i < (int)bp->tx_cp_nr_rings; i++) { + struct bnxt_tx_queue *txq = bp->tx_queues[i]; + + bnxt_free_txq_stats(txq); + } + for (i = 0; i < (int)bp->rx_cp_nr_rings; i++) { + struct bnxt_rx_queue *rxq = bp->rx_queues[i]; + + bnxt_free_rxq_stats(rxq); + } +} + +void bnxt_stats_get_op(struct rte_eth_dev *eth_dev, + struct rte_eth_stats *bnxt_stats) +{ + unsigned i; + struct bnxt *bp = eth_dev->data->dev_private; + + memset(bnxt_stats, 0, sizeof(*bnxt_stats)); + + for (i = 0; i < bp->rx_cp_nr_rings; i++) { + struct bnxt_rx_queue *rxq = bp->rx_queues[i]; + struct bnxt_cp_ring_info *cpr = rxq->cp_ring; + struct ctx_hw_stats64 *hw_stats = + (struct ctx_hw_stats64 *)cpr->hw_stats; + + bnxt_stats->q_ipackets[i] += + rte_le_to_cpu_64(hw_stats->rx_ucast_pkts); + bnxt_stats->q_ipackets[i] += + rte_le_to_cpu_64(hw_stats->rx_mcast_pkts); + bnxt_stats->q_ipackets[i] += + rte_le_to_cpu_64(hw_stats->rx_bcast_pkts); + + bnxt_stats->q_ibytes[i] += + rte_le_to_cpu_64(hw_stats->rx_ucast_bytes); + bnxt_stats->q_ibytes[i] += + rte_le_to_cpu_64(hw_stats->rx_mcast_bytes); + bnxt_stats->q_ibytes[i] += + rte_le_to_cpu_64(hw_stats->rx_bcast_bytes); + + /* + * TBD: No clear mapping to this... we don't seem + * to have a stat specifically for dropped due to + * insufficient mbufs. + */ + bnxt_stats->q_errors[i] = 0; + + /* These get replaced once the *_QSTATS commands work */ + bnxt_stats->ipackets += bnxt_stats->q_ipackets[i]; + bnxt_stats->ibytes += bnxt_stats->q_ibytes[i]; + bnxt_stats->imissed += bnxt_stats->q_errors[i]; + bnxt_stats->ierrors += + rte_le_to_cpu_64(hw_stats->rx_err_pkts); + } + + for (i = 0; i < bp->tx_cp_nr_rings; i++) { + struct bnxt_tx_queue *txq = bp->tx_queues[i]; + struct bnxt_cp_ring_info *cpr = txq->cp_ring; + struct ctx_hw_stats64 *hw_stats = + (struct ctx_hw_stats64 *)cpr->hw_stats; + + bnxt_stats->q_opackets[i] += + rte_le_to_cpu_64(hw_stats->tx_ucast_pkts); + bnxt_stats->q_opackets[i] += + rte_le_to_cpu_64(hw_stats->tx_mcast_pkts); + bnxt_stats->q_opackets[i] += + rte_le_to_cpu_64(hw_stats->tx_bcast_pkts); + + bnxt_stats->q_obytes[i] += + rte_le_to_cpu_64(hw_stats->tx_ucast_bytes); + bnxt_stats->q_obytes[i] += + rte_le_to_cpu_64(hw_stats->tx_mcast_bytes); + bnxt_stats->q_obytes[i] += + rte_le_to_cpu_64(hw_stats->tx_bcast_bytes); + + /* These get replaced once the *_QSTATS commands work */ + bnxt_stats->opackets += bnxt_stats->q_opackets[i]; + bnxt_stats->obytes += bnxt_stats->q_obytes[i]; + bnxt_stats->oerrors += rte_le_to_cpu_64(hw_stats->tx_drop_pkts); + bnxt_stats->oerrors += rte_le_to_cpu_64(hw_stats->tx_err_pkts); + } +} + +void bnxt_stats_reset_op(struct rte_eth_dev *eth_dev) +{ + struct bnxt *bp = (struct bnxt *)eth_dev->data->dev_private; + + bnxt_clear_all_hwrm_stat_ctxs(bp); +} diff --git a/drivers/net/bnxt/bnxt_stats.h b/drivers/net/bnxt/bnxt_stats.h new file mode 100644 index 0000000..65408a4 --- /dev/null +++ b/drivers/net/bnxt/bnxt_stats.h @@ -0,0 +1,44 @@ +/*- + * BSD LICENSE + * + * Copyright(c) 2014-2015 Broadcom Corporation. + * 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 Broadcom Corporation 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 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. + */ + +#ifndef _BNXT_STATS_H_ +#define _BNXT_STATS_H_ + +#include + +void bnxt_free_stats(struct bnxt *bp); +void bnxt_stats_get_op(struct rte_eth_dev *eth_dev, + struct rte_eth_stats *bnxt_stats); +void bnxt_stats_reset_op(struct rte_eth_dev *eth_dev); + +#endif diff --git a/drivers/net/bnxt/bnxt_txq.c b/drivers/net/bnxt/bnxt_txq.c index cb3dd8e..a3648c2 100644 --- a/drivers/net/bnxt/bnxt_txq.c +++ b/drivers/net/bnxt/bnxt_txq.c @@ -36,6 +36,7 @@ #include #include "bnxt.h" +#include "bnxt_cpr.h" #include "bnxt_ring.h" #include "bnxt_txq.h" diff --git a/drivers/net/bnxt/hsi_struct_def_dpdk.h b/drivers/net/bnxt/hsi_struct_def_dpdk.h index c5ff9ff..989f533 100644 --- a/drivers/net/bnxt/hsi_struct_def_dpdk.h +++ b/drivers/net/bnxt/hsi_struct_def_dpdk.h @@ -34,6 +34,35 @@ #ifndef _HSI_STRUCT_DEF_EXTERNAL_H_ #define _HSI_STRUCT_DEF_EXTERNAL_H_ +/* + * per-context HW statistics -- chip view + */ + +typedef struct ctx_hw_stats64 { + uint64_t rx_ucast_pkts; + uint64_t rx_mcast_pkts; + uint64_t rx_bcast_pkts; + uint64_t rx_drop_pkts; + uint64_t rx_err_pkts; + uint64_t rx_ucast_bytes; + uint64_t rx_mcast_bytes; + uint64_t rx_bcast_bytes; + + uint64_t tx_ucast_pkts; + uint64_t tx_mcast_pkts; + uint64_t tx_bcast_pkts; + uint64_t tx_drop_pkts; + uint64_t tx_err_pkts; + uint64_t tx_ucast_bytes; + uint64_t tx_mcast_bytes; + uint64_t tx_bcast_bytes; + + uint64_t tpa_pkts; + uint64_t tpa_bytes; + uint64_t tpa_events; + uint64_t tpa_aborts; +} ctx_hw_stats64_t; + /* HW Resource Manager Specification 1.2.0 */ #define HWRM_VERSION_MAJOR 1 #define HWRM_VERSION_MINOR 2 @@ -63,6 +92,7 @@ #define HWRM_CFA_L2_FILTER_FREE (UINT32_C(0x91)) #define HWRM_CFA_L2_FILTER_CFG (UINT32_C(0x92)) #define HWRM_CFA_L2_SET_RX_MASK (UINT32_C(0x93)) +#define HWRM_STAT_CTX_CLR_STATS (UINT32_C(0xb3)) #define HWRM_EXEC_FWD_RESP (UINT32_C(0xd0)) /* Return Codes */ @@ -1946,6 +1976,83 @@ struct hwrm_queue_qportcfg_input { uint16_t unused_0; } __attribute__((packed)); +/* hwrm_stat_ctx_clr_stats */ +/* Description: This command clears statistics of a context. */ + +/* Input (24 bytes) */ +struct hwrm_stat_ctx_clr_stats_input { + /* + * This value indicates what type of request this is. The format for the + * rest of the command is determined by this field. + */ + uint16_t req_type; + + /* + * This value indicates the what completion ring the request will be + * optionally completed on. If the value is -1, then no CR completion + * will be generated. Any other value must be a valid CR ring_id value + * for this function. + */ + uint16_t cmpl_ring; + + /* This value indicates the command sequence number. */ + uint16_t seq_id; + + /* + * Target ID of this command. 0x0 - 0xFFF8 - Used for function ids + * 0xFFF8 - 0xFFFE - Reserved for internal processors 0xFFFF - HWRM + */ + uint16_t target_id; + + /* + * This is the host address where the response will be written when the + * request is complete. This area must be 16B aligned and must be + * cleared to zero before the request is made. + */ + uint64_t resp_addr; + + /* ID of the statistics context that is being queried. */ + uint32_t stat_ctx_id; + + uint32_t unused_0; +} __attribute__((packed)); + +/* Output (16 bytes) */ +struct hwrm_stat_ctx_clr_stats_output { + /* + * Pass/Fail or error type Note: receiver to verify the in parameters, + * and fail the call with an error when appropriate + */ + uint16_t error_code; + + /* This field returns the type of original request. */ + uint16_t req_type; + + /* This field provides original sequence number of the command. */ + uint16_t seq_id; + + /* + * This field is the length of the response in bytes. The last byte of + * the response is a valid flag that will read as '1' when the command + * has been completely written to memory. + */ + uint16_t resp_len; + + uint32_t unused_0; + uint8_t unused_1; + uint8_t unused_2; + uint8_t unused_3; + + /* + * This field is used in Output records to indicate that the output is + * completely written to RAM. This field should be read as '1' to + * indicate that the output has been completely written. When writing a + * command completion or response to an internal processor, the order of + * writes has to be such that this field is written last. + */ + uint8_t valid; +} __attribute__((packed)); + /* hwrm_vnic_rss_cfg */ /* Description: This function is used to enable RSS configuration. */ -- 1.9.1