From patchwork Sat Sep 18 13:22:02 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Li, Miao" X-Patchwork-Id: 99262 X-Patchwork-Delegate: maxime.coquelin@redhat.com Return-Path: X-Original-To: patchwork@inbox.dpdk.org Delivered-To: patchwork@inbox.dpdk.org Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id AC19FA0C47; Sat, 18 Sep 2021 07:20:15 +0200 (CEST) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 61B0B40E09; Sat, 18 Sep 2021 07:20:11 +0200 (CEST) Received: from mga05.intel.com (mga05.intel.com [192.55.52.43]) by mails.dpdk.org (Postfix) with ESMTP id 7E11D40689 for ; Sat, 18 Sep 2021 07:20:09 +0200 (CEST) X-IronPort-AV: E=McAfee;i="6200,9189,10110"; a="308459481" X-IronPort-AV: E=Sophos;i="5.85,303,1624345200"; d="scan'208";a="308459481" Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by fmsmga105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 17 Sep 2021 22:20:09 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.85,303,1624345200"; d="scan'208";a="510219789" Received: from limiao-icelake.sh.intel.com ([10.67.115.199]) by fmsmga008.fm.intel.com with ESMTP; 17 Sep 2021 22:20:07 -0700 From: Miao Li To: dev@dpdk.org Cc: chenbo.xia@intel.com, maxime.coquelin@redhat.com, miao.li@intel.com Date: Sat, 18 Sep 2021 13:22:02 +0000 Message-Id: <20210918132206.166694-2-miao.li@intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210918132206.166694-1-miao.li@intel.com> References: <20210910130548.127017-1-miao.li@intel.com> <20210918132206.166694-1-miao.li@intel.com> MIME-Version: 1.0 Subject: [dpdk-dev] [PATCH 1/5] net/virtio: implement rte_power_monitor API X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" This patch implements rte_power_monitor API in virtio PMD to reduce power consumption when no packet come in. According to current semantics of power monitor, this commit adds a callback function to decide whether aborts the sleep by checking current value against the expected value and virtio_get_monitor_addr to provide address to monitor. When no packet come in, the value of address will not be changed and the running core will sleep. Once packets arrive, the value of address will be changed and the running core will wakeup. Signed-off-by: Miao Li --- drivers/net/virtio/virtio_ethdev.c | 53 ++++++++++++++++++++++++++++++ 1 file changed, 53 insertions(+) diff --git a/drivers/net/virtio/virtio_ethdev.c b/drivers/net/virtio/virtio_ethdev.c index e58085a2c9..d6e683aa9e 100644 --- a/drivers/net/virtio/virtio_ethdev.c +++ b/drivers/net/virtio/virtio_ethdev.c @@ -73,6 +73,8 @@ static int virtio_mac_addr_set(struct rte_eth_dev *dev, struct rte_ether_addr *mac_addr); static int virtio_intr_disable(struct rte_eth_dev *dev); +static int virtio_get_monitor_addr(void *rx_queue, + struct rte_power_monitor_cond *pmc); static int virtio_dev_queue_stats_mapping_set( struct rte_eth_dev *eth_dev, @@ -975,6 +977,7 @@ static const struct eth_dev_ops virtio_eth_dev_ops = { .mac_addr_add = virtio_mac_addr_add, .mac_addr_remove = virtio_mac_addr_remove, .mac_addr_set = virtio_mac_addr_set, + .get_monitor_addr = virtio_get_monitor_addr, }; /* @@ -1306,6 +1309,56 @@ virtio_mac_addr_set(struct rte_eth_dev *dev, struct rte_ether_addr *mac_addr) return 0; } +#define CLB_VAL_IDX 0 +#define CLB_MSK_IDX 1 +#define CLB_MATCH_IDX 2 +static int +virtio_monitor_callback(const uint64_t value, + const uint64_t opaque[RTE_POWER_MONITOR_OPAQUE_SZ]) +{ + const uint64_t m = opaque[CLB_MSK_IDX]; + const uint64_t v = opaque[CLB_VAL_IDX]; + const uint64_t c = opaque[CLB_MATCH_IDX]; + + if (c) + return (value & m) == v ? -1 : 0; + else + return (value & m) == v ? 0 : -1; +} + +static int +virtio_get_monitor_addr(void *rx_queue, struct rte_power_monitor_cond *pmc) +{ + struct virtnet_rx *rxvq = rx_queue; + struct virtqueue *vq = virtnet_rxq_to_vq(rxvq); + if (vq == NULL) + return -EINVAL; + struct virtio_hw *hw = vq->hw; + if (virtio_with_packed_queue(hw)) { + struct vring_packed_desc *desc; + desc = vq->vq_packed.ring.desc; + pmc->addr = &desc[vq->vq_used_cons_idx].flags; + if (vq->vq_packed.used_wrap_counter) + pmc->opaque[CLB_VAL_IDX] = + VRING_PACKED_DESC_F_AVAIL_USED; + else + pmc->opaque[CLB_VAL_IDX] = 0; + pmc->opaque[CLB_MSK_IDX] = VRING_PACKED_DESC_F_AVAIL_USED; + pmc->opaque[CLB_MATCH_IDX] = 1; + pmc->size = sizeof(desc[vq->vq_used_cons_idx].flags); + } else { + pmc->addr = &vq->vq_split.ring.used->idx; + pmc->opaque[CLB_VAL_IDX] = vq->vq_used_cons_idx + & (vq->vq_nentries - 1); + pmc->opaque[CLB_MSK_IDX] = vq->vq_nentries - 1; + pmc->opaque[CLB_MATCH_IDX] = 0; + pmc->size = sizeof(vq->vq_split.ring.used->idx); + } + pmc->fn = virtio_monitor_callback; + + return 0; +} + static int virtio_vlan_filter_set(struct rte_eth_dev *dev, uint16_t vlan_id, int on) { From patchwork Sat Sep 18 13:22:03 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Li, Miao" X-Patchwork-Id: 99263 X-Patchwork-Delegate: maxime.coquelin@redhat.com Return-Path: X-Original-To: patchwork@inbox.dpdk.org Delivered-To: patchwork@inbox.dpdk.org Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id EB02FA0C47; Sat, 18 Sep 2021 07:20:20 +0200 (CEST) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 84E37410EF; Sat, 18 Sep 2021 07:20:14 +0200 (CEST) Received: from mga05.intel.com (mga05.intel.com [192.55.52.43]) by mails.dpdk.org (Postfix) with ESMTP id 908A9410EE for ; Sat, 18 Sep 2021 07:20:12 +0200 (CEST) X-IronPort-AV: E=McAfee;i="6200,9189,10110"; a="308459486" X-IronPort-AV: E=Sophos;i="5.85,303,1624345200"; d="scan'208";a="308459486" Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by fmsmga105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 17 Sep 2021 22:20:12 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.85,303,1624345200"; d="scan'208";a="510219799" Received: from limiao-icelake.sh.intel.com ([10.67.115.199]) by fmsmga008.fm.intel.com with ESMTP; 17 Sep 2021 22:20:10 -0700 From: Miao Li To: dev@dpdk.org Cc: chenbo.xia@intel.com, maxime.coquelin@redhat.com, miao.li@intel.com Date: Sat, 18 Sep 2021 13:22:03 +0000 Message-Id: <20210918132206.166694-3-miao.li@intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210918132206.166694-1-miao.li@intel.com> References: <20210910130548.127017-1-miao.li@intel.com> <20210918132206.166694-1-miao.li@intel.com> MIME-Version: 1.0 Subject: [dpdk-dev] [PATCH 2/5] vhost: implement rte_power_monitor API X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" This patch defines rte_vhost_power_monitor_cond which is used to pass some information to vhost driver. The information is including the address to monitor, the expected value, the mask to extract value read from 'addr', the value size of monitor address, the match flag used to distinguish the value used to match something or not match someting. Vhost driver can use these information to fill rte_power_monitor_cond. Signed-off-by: Miao Li --- lib/vhost/rte_vhost.h | 41 +++++++++++++++++++++++++++++++++++++++++ lib/vhost/version.map | 3 +++ lib/vhost/vhost.c | 38 ++++++++++++++++++++++++++++++++++++++ 3 files changed, 82 insertions(+) diff --git a/lib/vhost/rte_vhost.h b/lib/vhost/rte_vhost.h index 8d875e9322..4e1f2de12f 100644 --- a/lib/vhost/rte_vhost.h +++ b/lib/vhost/rte_vhost.h @@ -292,6 +292,30 @@ struct vhost_device_ops { void *reserved[1]; /**< Reserved for future extension */ }; +/** + * Power monitor condition. + */ +struct rte_vhost_power_monitor_cond { + volatile void *addr; /**< Address to monitor for changes */ + /**< If the `mask` is non-zero, location pointed + * to by `addr` will be read and compared + * against this value. + */ + uint64_t val; + uint64_t mask; /**< 64-bit mask to extract value read from `addr` */ + /**< Data size (in bytes) that will be read from the + * monitored memory location (`addr`). Can be 1, 2, + * 4, or 8. Supplying any other value will result in + * an error. + */ + uint8_t size; + /**< If 1, checking if `val` matches something. + * If 0, checking if `val` *doesn't* match a + * particular value. + */ + uint8_t match; +}; + /** * Convert guest physical address to host virtual address * @@ -914,6 +938,23 @@ int rte_vhost_vring_call(int vid, uint16_t vring_idx); */ uint32_t rte_vhost_rx_queue_count(int vid, uint16_t qid); +/** + * Get power monitor address of the vhost device + * + * @param vid + * vhost device ID + * @param queue_id + * vhost queue ID + * @param pmc + * power monitor condition + * @return + * 0 on success, -1 on failure + */ +__rte_experimental +int +rte_vhost_get_monitor_addr(int vid, uint16_t queue_id, + struct rte_vhost_power_monitor_cond *pmc); + /** * Get log base and log size of the vhost device * diff --git a/lib/vhost/version.map b/lib/vhost/version.map index c92a9d4962..0a9667ef1e 100644 --- a/lib/vhost/version.map +++ b/lib/vhost/version.map @@ -85,4 +85,7 @@ EXPERIMENTAL { rte_vhost_async_channel_register_thread_unsafe; rte_vhost_async_channel_unregister_thread_unsafe; rte_vhost_clear_queue_thread_unsafe; + + # added in 21.11 + rte_vhost_get_monitor_addr; }; diff --git a/lib/vhost/vhost.c b/lib/vhost/vhost.c index 355ff37651..92a9f8bb90 100644 --- a/lib/vhost/vhost.c +++ b/lib/vhost/vhost.c @@ -1886,5 +1886,43 @@ int rte_vhost_async_get_inflight(int vid, uint16_t queue_id) return ret; } +int +rte_vhost_get_monitor_addr(int vid, uint16_t queue_id, + struct rte_vhost_power_monitor_cond *pmc) +{ + struct virtio_net *dev = get_device(vid); + + if (dev == NULL) + return -1; + if (queue_id >= VHOST_MAX_VRING) + return -1; + + struct vhost_virtqueue *vq = dev->virtqueue[queue_id]; + + if (vq == NULL) + return -1; + + if (vq_is_packed(dev)) { + struct vring_packed_desc *desc; + desc = vq->desc_packed; + pmc->addr = &desc[vq->last_avail_idx].flags; + if (vq->avail_wrap_counter) + pmc->val = VRING_DESC_F_AVAIL; + else + pmc->val = VRING_DESC_F_USED; + pmc->mask = VRING_DESC_F_AVAIL | VRING_DESC_F_USED; + pmc->size = sizeof(desc[vq->last_avail_idx].flags); + pmc->match = 1; + } else { + pmc->addr = &vq->avail->idx; + pmc->val = vq->last_avail_idx & (vq->size - 1); + pmc->mask = vq->size - 1; + pmc->size = sizeof(vq->avail->idx); + pmc->match = 0; + } + + return 0; +} + RTE_LOG_REGISTER_SUFFIX(vhost_config_log_level, config, INFO); RTE_LOG_REGISTER_SUFFIX(vhost_data_log_level, data, WARNING); From patchwork Sat Sep 18 13:22:04 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Li, Miao" X-Patchwork-Id: 99264 X-Patchwork-Delegate: maxime.coquelin@redhat.com Return-Path: X-Original-To: patchwork@inbox.dpdk.org Delivered-To: patchwork@inbox.dpdk.org Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id 9A1E2A0C47; Sat, 18 Sep 2021 07:20:26 +0200 (CEST) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 9B96D410EE; Sat, 18 Sep 2021 07:20:21 +0200 (CEST) Received: from mga04.intel.com (mga04.intel.com [192.55.52.120]) by mails.dpdk.org (Postfix) with ESMTP id 6151D406B4 for ; Sat, 18 Sep 2021 07:20:19 +0200 (CEST) X-IronPort-AV: E=McAfee;i="6200,9189,10110"; a="221037375" X-IronPort-AV: E=Sophos;i="5.85,303,1624345200"; d="scan'208";a="221037375" Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by fmsmga104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 17 Sep 2021 22:20:17 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.85,303,1624345200"; d="scan'208";a="510219814" Received: from limiao-icelake.sh.intel.com ([10.67.115.199]) by fmsmga008.fm.intel.com with ESMTP; 17 Sep 2021 22:20:16 -0700 From: Miao Li To: dev@dpdk.org Cc: chenbo.xia@intel.com, maxime.coquelin@redhat.com, miao.li@intel.com Date: Sat, 18 Sep 2021 13:22:04 +0000 Message-Id: <20210918132206.166694-4-miao.li@intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210918132206.166694-1-miao.li@intel.com> References: <20210910130548.127017-1-miao.li@intel.com> <20210918132206.166694-1-miao.li@intel.com> MIME-Version: 1.0 Subject: [dpdk-dev] [PATCH 3/5] net/vhost: implement rte_power_monitor API X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" This patch implements rte_power_monitor API in vhost PMD to reduce power consumption when no packet come in. According to current semantics of power monitor, this commit adds a callback function to decide whether aborts the sleep by checking current value against the expected value and vhost_get_monitor_addr to provide address to monitor. When no packet come in, the value of address will not be changed and the running core will sleep. Once packets arrive, the value of address will be changed and the running core will wakeup. Signed-off-by: Miao Li --- drivers/net/vhost/rte_eth_vhost.c | 40 +++++++++++++++++++++++++++++++ 1 file changed, 40 insertions(+) diff --git a/drivers/net/vhost/rte_eth_vhost.c b/drivers/net/vhost/rte_eth_vhost.c index a202931e9a..eabb0b0519 100644 --- a/drivers/net/vhost/rte_eth_vhost.c +++ b/drivers/net/vhost/rte_eth_vhost.c @@ -1380,6 +1380,45 @@ eth_rx_queue_count(struct rte_eth_dev *dev, uint16_t rx_queue_id) return rte_vhost_rx_queue_count(vq->vid, vq->virtqueue_id); } +#define CLB_VAL_IDX 0 +#define CLB_MSK_IDX 1 +#define CLB_MATCH_IDX 2 +static int +vhost_monitor_callback(const uint64_t value, + const uint64_t opaque[RTE_POWER_MONITOR_OPAQUE_SZ]) +{ + const uint64_t m = opaque[CLB_MSK_IDX]; + const uint64_t v = opaque[CLB_VAL_IDX]; + const uint64_t c = opaque[CLB_MATCH_IDX]; + + if (c) + return (value & m) == v ? -1 : 0; + else + return (value & m) == v ? 0 : -1; +} + +static int +vhost_get_monitor_addr(void *rx_queue, struct rte_power_monitor_cond *pmc) +{ + struct vhost_queue *vq = rx_queue; + struct rte_vhost_power_monitor_cond vhost_pmc; + int ret; + if (vq == NULL) + return -EINVAL; + ret = rte_vhost_get_monitor_addr(vq->vid, vq->virtqueue_id, + &vhost_pmc); + if (ret < 0) + return -EINVAL; + pmc->addr = vhost_pmc.addr; + pmc->opaque[CLB_VAL_IDX] = vhost_pmc.val; + pmc->opaque[CLB_MSK_IDX] = vhost_pmc.mask; + pmc->opaque[CLB_MATCH_IDX] = vhost_pmc.match; + pmc->size = vhost_pmc.size; + pmc->fn = vhost_monitor_callback; + + return 0; +} + static const struct eth_dev_ops ops = { .dev_start = eth_dev_start, .dev_stop = eth_dev_stop, @@ -1399,6 +1438,7 @@ static const struct eth_dev_ops ops = { .xstats_get_names = vhost_dev_xstats_get_names, .rx_queue_intr_enable = eth_rxq_intr_enable, .rx_queue_intr_disable = eth_rxq_intr_disable, + .get_monitor_addr = vhost_get_monitor_addr, }; static int From patchwork Sat Sep 18 13:22:05 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Li, Miao" X-Patchwork-Id: 99265 X-Patchwork-Delegate: maxime.coquelin@redhat.com Return-Path: X-Original-To: patchwork@inbox.dpdk.org Delivered-To: patchwork@inbox.dpdk.org Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id E92FEA0C47; Sat, 18 Sep 2021 07:20:31 +0200 (CEST) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 912C3410FE; Sat, 18 Sep 2021 07:20:23 +0200 (CEST) Received: from mga04.intel.com (mga04.intel.com [192.55.52.120]) by mails.dpdk.org (Postfix) with ESMTP id 7FB30406B4 for ; Sat, 18 Sep 2021 07:20:20 +0200 (CEST) X-IronPort-AV: E=McAfee;i="6200,9189,10110"; a="221037378" X-IronPort-AV: E=Sophos;i="5.85,303,1624345200"; d="scan'208";a="221037378" Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by fmsmga104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 17 Sep 2021 22:20:20 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.85,303,1624345200"; d="scan'208";a="510219822" Received: from limiao-icelake.sh.intel.com ([10.67.115.199]) by fmsmga008.fm.intel.com with ESMTP; 17 Sep 2021 22:20:19 -0700 From: Miao Li To: dev@dpdk.org Cc: chenbo.xia@intel.com, maxime.coquelin@redhat.com, miao.li@intel.com Date: Sat, 18 Sep 2021 13:22:05 +0000 Message-Id: <20210918132206.166694-5-miao.li@intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210918132206.166694-1-miao.li@intel.com> References: <20210910130548.127017-1-miao.li@intel.com> <20210918132206.166694-1-miao.li@intel.com> MIME-Version: 1.0 Subject: [dpdk-dev] [PATCH 4/5] power: modify return of queue_stopped X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" Since some vdevs like virtio and vhost do not support rxq_info_get and queue state inquiry, the error return value -ENOTSUP need to be ignored when queue_stopped cannot get rx queue information and rx queue state. This patch changes the return value of queue_stopped when rte_eth_rx_queue_info_get return ENOTSUP to support vdevs which cannot provide rx queue information and rx queue state enable power management. Signed-off-by: Miao Li --- lib/power/rte_power_pmd_mgmt.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/lib/power/rte_power_pmd_mgmt.c b/lib/power/rte_power_pmd_mgmt.c index 0ce40f0875..39a2b4cd23 100644 --- a/lib/power/rte_power_pmd_mgmt.c +++ b/lib/power/rte_power_pmd_mgmt.c @@ -382,8 +382,13 @@ queue_stopped(const uint16_t port_id, const uint16_t queue_id) { struct rte_eth_rxq_info qinfo; - if (rte_eth_rx_queue_info_get(port_id, queue_id, &qinfo) < 0) - return -1; + int ret = rte_eth_rx_queue_info_get(port_id, queue_id, &qinfo); + if (ret < 0) { + if (ret == -ENOTSUP) + return 1; + else + return -1; + } return qinfo.queue_state == RTE_ETH_QUEUE_STATE_STOPPED; } From patchwork Sat Sep 18 13:22:06 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Li, Miao" X-Patchwork-Id: 99266 X-Patchwork-Delegate: maxime.coquelin@redhat.com Return-Path: X-Original-To: patchwork@inbox.dpdk.org Delivered-To: patchwork@inbox.dpdk.org Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id D79A2A0C47; Sat, 18 Sep 2021 07:20:36 +0200 (CEST) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id A5C4F41103; Sat, 18 Sep 2021 07:20:25 +0200 (CEST) Received: from mga04.intel.com (mga04.intel.com [192.55.52.120]) by mails.dpdk.org (Postfix) with ESMTP id 0FDC440691 for ; Sat, 18 Sep 2021 07:20:22 +0200 (CEST) X-IronPort-AV: E=McAfee;i="6200,9189,10110"; a="221037380" X-IronPort-AV: E=Sophos;i="5.85,303,1624345200"; d="scan'208";a="221037380" Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by fmsmga104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 17 Sep 2021 22:20:22 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.85,303,1624345200"; d="scan'208";a="510219831" Received: from limiao-icelake.sh.intel.com ([10.67.115.199]) by fmsmga008.fm.intel.com with ESMTP; 17 Sep 2021 22:20:21 -0700 From: Miao Li To: dev@dpdk.org Cc: chenbo.xia@intel.com, maxime.coquelin@redhat.com, miao.li@intel.com Date: Sat, 18 Sep 2021 13:22:06 +0000 Message-Id: <20210918132206.166694-6-miao.li@intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210918132206.166694-1-miao.li@intel.com> References: <20210910130548.127017-1-miao.li@intel.com> <20210918132206.166694-1-miao.li@intel.com> MIME-Version: 1.0 Subject: [dpdk-dev] [PATCH 5/5] examples/l3fwd-power: support virtio/vhost X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" In l3fwd-power, there is default port configuration which requires RSS and IPV4/UDP/TCP checksum. Once device does not support these, the l3fwd-power will exit and report an error. This patch updates the port configuration based on device capabilities after getting the device information to support devices like virtio and vhost. Signed-off-by: Miao Li --- examples/l3fwd-power/main.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/examples/l3fwd-power/main.c b/examples/l3fwd-power/main.c index aa7b8db44a..14ae87a9d5 100644 --- a/examples/l3fwd-power/main.c +++ b/examples/l3fwd-power/main.c @@ -2637,6 +2637,11 @@ main(int argc, char **argv) local_port_conf.rx_adv_conf.rss_conf.rss_hf); } + if (local_port_conf.rx_adv_conf.rss_conf.rss_hf == 0) + local_port_conf.rxmode.mq_mode = ETH_MQ_RX_NONE; + local_port_conf.rxmode.offloads &= dev_info.rx_offload_capa; + port_conf.rxmode.offloads = local_port_conf.rxmode.offloads; + ret = rte_eth_dev_configure(portid, nb_rx_queue, (uint16_t)n_tx_queue, &local_port_conf); if (ret < 0)