From patchwork Wed Aug 2 14:10:32 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?q?N=C3=A9lio_Laranjeiro?= X-Patchwork-Id: 27382 X-Patchwork-Delegate: ferruh.yigit@amd.com Return-Path: X-Original-To: patchwork@dpdk.org Delivered-To: patchwork@dpdk.org Received: from [92.243.14.124] (localhost [IPv6:::1]) by dpdk.org (Postfix) with ESMTP id 7C422A220; Wed, 2 Aug 2017 16:11:40 +0200 (CEST) Received: from mail-wr0-f171.google.com (mail-wr0-f171.google.com [209.85.128.171]) by dpdk.org (Postfix) with ESMTP id B9502A11E for ; Wed, 2 Aug 2017 16:11:12 +0200 (CEST) Received: by mail-wr0-f171.google.com with SMTP id 33so19237223wrz.4 for ; Wed, 02 Aug 2017 07:11:12 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=6wind-com.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:in-reply-to:references :in-reply-to:references; bh=U2waV6FG6+THHmcxKuCwb1aRX32cQkTwGG6fsgoqYK0=; b=bFLHoPzTxVkMSKttgAV4G2wmpOThWGPsrGetUzfiOCuTpJ8ZXD44IXgqmSRABe/5zA WHTL952LupztJ3+XHPbdoZU8tRmglVBqXgyy7Wl3f9IwZdCZBjaqzODYNVEBdRNB/HzG +98LZ0VJbnyHKcWDvR4XOsNVeEi1o4NtYpkDnY7pxjUgSkZMnqb3cUuAGneD4O1vbEDW Iz4JdRlGwpvsyN+ohCmXMZmr6pFbE55xyEpIW3s9NHf4z4PUOIFuk845WCDTvTAln1P6 mceT2wF8tTq+qaVvtKBn2lD+9tlvxkU1ynWbMErPGzBHLLtrvomSt78D33rSB9pEaBHc m7xQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:in-reply-to:references; bh=U2waV6FG6+THHmcxKuCwb1aRX32cQkTwGG6fsgoqYK0=; b=qquyWjFBCsVp32JLRgB24cUIemIIjwVLupL7Q3vK8l4zHO5eLVay6Sn4zNwaNsAFI+ +A8KIu3e+gDPk+bmJ6XXPHPjGjp4ZcGU+ZSdudoUk+QSFh/CUK1+ssVND7jcfyk5l2yP t59O+sSMUyw+/NRYJl48B2HTpr4DJm1oApdU+o6rdmkvkG+hrCretmUV0PhXHNqLLfPY B1WU9LCUXUx32esIEFqvd8V7Im6g9CfmcS1ygzXjnS9OxNKfqHGCP81k0+AfBAi+I92H bu2UkpjtqmPxaF/Su9EGM0B2YC9T3AnMpVSIUJzjSrW2WcnUBE17Y7r8j9l7xftH+UcC OMiQ== X-Gm-Message-State: AIVw111eQVOgKhyXmFUPo6TV5O8zm3ynM0iexi8sy5xT7fLqTWhIV1hv u6RC5htNt4ozPHiYU8QMPw== X-Received: by 10.223.149.65 with SMTP id 59mr16179185wrs.292.1501683072023; Wed, 02 Aug 2017 07:11:12 -0700 (PDT) Received: from ping.dev.6wind.com (host.78.145.23.62.rev.coltfrance.com. [62.23.145.78]) by smtp.gmail.com with ESMTPSA id d53sm39449552wrd.81.2017.08.02.07.11.11 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Wed, 02 Aug 2017 07:11:11 -0700 (PDT) From: Nelio Laranjeiro To: dev@dpdk.org Cc: adrien.mazarguil@6wind.com Date: Wed, 2 Aug 2017 16:10:32 +0200 Message-Id: <0846f9b9abec4d46289a8f987b694f64b54cfad8.1501681927.git.nelio.laranjeiro@6wind.com> X-Mailer: git-send-email 2.1.4 In-Reply-To: References: In-Reply-To: References: Subject: [dpdk-dev] [PATCH v1 16/21] net/mlx5: use flow to enable promiscuous mode X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 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" RSS hash configuration is currently ignored by the PMD, this commits removes the RSS feature on promiscuous mode. This functionality will be added in a later commit. Signed-off-by: Nelio Laranjeiro --- drivers/net/mlx5/mlx5.c | 1 + drivers/net/mlx5/mlx5.h | 15 +++-- drivers/net/mlx5/mlx5_flow.c | 127 ++++++++++++++++++++++++++++++++++++---- drivers/net/mlx5/mlx5_rxmode.c | 52 +++++----------- drivers/net/mlx5/mlx5_rxq.c | 8 +-- drivers/net/mlx5/mlx5_rxtx.h | 3 - drivers/net/mlx5/mlx5_trigger.c | 20 +++++-- 7 files changed, 158 insertions(+), 68 deletions(-) diff --git a/drivers/net/mlx5/mlx5.c b/drivers/net/mlx5/mlx5.c index 52cbb20..f000404 100644 --- a/drivers/net/mlx5/mlx5.c +++ b/drivers/net/mlx5/mlx5.c @@ -775,6 +775,7 @@ mlx5_pci_probe(struct rte_pci_driver *pci_drv, struct rte_pci_device *pci_dev) priv->dev = eth_dev; eth_dev->dev_ops = &mlx5_dev_ops; TAILQ_INIT(&priv->flows); + TAILQ_INIT(&priv->ctrl_flows); /* Bring Ethernet device up. */ DEBUG("forcing Ethernet interface up"); diff --git a/drivers/net/mlx5/mlx5.h b/drivers/net/mlx5/mlx5.h index 3c2e719..cbf8849 100644 --- a/drivers/net/mlx5/mlx5.h +++ b/drivers/net/mlx5/mlx5.h @@ -39,6 +39,7 @@ #include #include #include +#include /* Verbs header. */ /* ISO C doesn't support unnamed structs/unions, disabling -pedantic. */ @@ -86,6 +87,9 @@ struct mlx5_xstats_ctrl { uint64_t base[MLX5_MAX_XSTATS]; }; +/* Flow list . */ +TAILQ_HEAD(mlx5_flows, rte_flow); + struct priv { struct rte_eth_dev *dev; /* Ethernet device. */ struct ibv_context *ctx; /* Verbs context. */ @@ -103,7 +107,6 @@ struct priv { /* Device properties. */ uint16_t mtu; /* Configured MTU. */ uint8_t port; /* Physical port number. */ - unsigned int promisc_req:1; /* Promiscuous mode requested. */ unsigned int allmulti_req:1; /* All multicast mode requested. */ unsigned int hw_csum:1; /* Checksum offload is supported. */ unsigned int hw_csum_l2tun:1; /* Same for L2 tunnels. */ @@ -143,7 +146,8 @@ struct priv { struct rte_intr_handle intr_handle; /* Interrupt handler. */ unsigned int (*reta_idx)[]; /* RETA index table. */ unsigned int reta_idx_n; /* RETA index size. */ - TAILQ_HEAD(mlx5_flows, rte_flow) flows; /* RTE Flow rules. */ + struct mlx5_flows flows; /* RTE Flow rules. */ + struct mlx5_flows ctrl_flows; /* Control flow rules. */ LIST_HEAD(mr, mlx5_mr) mr; /* Memory region. */ LIST_HEAD(rxq, mlx5_rxq_ctrl) rxqsctrl; /* DPDK Rx queues. */ LIST_HEAD(rxqibv, mlx5_rxq_ibv) rxqsibv; /* Verbs Rx queues. */ @@ -289,11 +293,14 @@ struct rte_flow *mlx5_flow_create(struct rte_eth_dev *, struct rte_flow_error *); int mlx5_flow_destroy(struct rte_eth_dev *, struct rte_flow *, struct rte_flow_error *); +void priv_flow_flush(struct priv *, struct mlx5_flows *); int mlx5_flow_flush(struct rte_eth_dev *, struct rte_flow_error *); int mlx5_flow_isolate(struct rte_eth_dev *, int, struct rte_flow_error *); -int priv_flow_start(struct priv *); -void priv_flow_stop(struct priv *); +int priv_flow_start(struct priv *, struct mlx5_flows *); +void priv_flow_stop(struct priv *, struct mlx5_flows *); int priv_flow_verify(struct priv *); +int mlx5_flow_ctrl(struct rte_eth_dev *, struct rte_flow_item_eth *, + struct rte_flow_item_eth *, unsigned int, unsigned int); /* mlx5_mr.c */ diff --git a/drivers/net/mlx5/mlx5_flow.c b/drivers/net/mlx5/mlx5_flow.c index 90deb30..39a49af 100644 --- a/drivers/net/mlx5/mlx5_flow.c +++ b/drivers/net/mlx5/mlx5_flow.c @@ -1169,11 +1169,14 @@ mlx5_flow_create(struct rte_eth_dev *dev, * * @param priv * Pointer to private structure. + * @param list + * Pointer to a TAILQ flow list. * @param[in] flow * Flow to destroy. */ static void priv_flow_destroy(struct priv *priv, + struct mlx5_flows *list, struct rte_flow *flow) { unsigned int i; @@ -1193,7 +1196,7 @@ priv_flow_destroy(struct priv *priv, * To remove the mark from the queue, the queue must not be * present in any other marked flow (RSS or not). */ - TAILQ_FOREACH(tmp, &priv->flows, next) { + TAILQ_FOREACH(tmp, list, next) { unsigned int j; if (!tmp->mark) @@ -1208,7 +1211,7 @@ priv_flow_destroy(struct priv *priv, rxq->mark = mark; } out: - TAILQ_REMOVE(&priv->flows, flow, next); + TAILQ_REMOVE(list, flow, next); if (flow->ibv_flow) claim_zero(ibv_exp_destroy_flow(flow->ibv_flow)); mlx5_priv_hrxq_release(priv, flow->hrxq); @@ -1232,7 +1235,7 @@ mlx5_flow_destroy(struct rte_eth_dev *dev, (void)error; priv_lock(priv); - priv_flow_destroy(priv, flow); + priv_flow_destroy(priv, &priv->flows, flow); priv_unlock(priv); return 0; } @@ -1242,15 +1245,17 @@ mlx5_flow_destroy(struct rte_eth_dev *dev, * * @param priv * Pointer to private structure. + * @param list + * Pointer to a TAILQ flow list. */ -static void -priv_flow_flush(struct priv *priv) +void +priv_flow_flush(struct priv *priv, struct mlx5_flows *list) { - while (!TAILQ_EMPTY(&priv->flows)) { + while (!TAILQ_EMPTY(list)) { struct rte_flow *flow; - flow = TAILQ_FIRST(&priv->flows); - priv_flow_destroy(priv, flow); + flow = TAILQ_FIRST(list); + priv_flow_destroy(priv, list, flow); } } @@ -1268,7 +1273,7 @@ mlx5_flow_flush(struct rte_eth_dev *dev, (void)error; priv_lock(priv); - priv_flow_flush(priv); + priv_flow_flush(priv, &priv->flows); priv_unlock(priv); return 0; } @@ -1280,13 +1285,15 @@ mlx5_flow_flush(struct rte_eth_dev *dev, * * @param priv * Pointer to private structure. + * @param list + * Pointer to a TAILQ flow list. */ void -priv_flow_stop(struct priv *priv) +priv_flow_stop(struct priv *priv, struct mlx5_flows *list) { struct rte_flow *flow; - TAILQ_FOREACH_REVERSE(flow, &priv->flows, mlx5_flows, next) { + TAILQ_FOREACH_REVERSE(flow, list, mlx5_flows, next) { unsigned int i; claim_zero(ibv_exp_destroy_flow(flow->ibv_flow)); @@ -1303,16 +1310,18 @@ priv_flow_stop(struct priv *priv) * * @param priv * Pointer to private structure. + * @param list + * Pointer to a TAILQ flow list. * * @return * 0 on success, a errno value otherwise and rte_errno is set. */ int -priv_flow_start(struct priv *priv) +priv_flow_start(struct priv *priv, struct mlx5_flows *list) { struct rte_flow *flow; - TAILQ_FOREACH(flow, &priv->flows, next) { + TAILQ_FOREACH(flow, list, next) { flow->ibv_flow = ibv_exp_create_flow(flow->hrxq->qp, flow->ibv_attr); if (!flow->ibv_flow) { @@ -1381,3 +1390,95 @@ priv_flow_verify(struct priv *priv) } return ret; } + +/** + * Enable/disable a flow control configured from the control plane. + * + * @param dev + * Pointer to Ethernet device. + * @param spec + * An Ethernet flow spec to apply. + * @param mask + * An Ethernet flow mask to apply. + * @param priority + * The flow priority. + * @param enable + * Enable/disable the flow. + * + * @return + * 0 on success. + */ +int +mlx5_flow_ctrl(struct rte_eth_dev *dev, + struct rte_flow_item_eth *spec, + struct rte_flow_item_eth *mask, + unsigned int priority, + unsigned int enable) +{ + struct priv *priv = dev->data->dev_private; + const struct rte_flow_attr attr = { + .priority = priority, + .ingress = 1, + }; + struct rte_flow_item items[] = { + { + .type = RTE_FLOW_ITEM_TYPE_ETH, + .spec = spec, + .last = NULL, + .mask = mask, + }, + { + .type = RTE_FLOW_ITEM_TYPE_END, + }, + }; + struct rte_flow_action actions[] = { + { + .type = RTE_FLOW_ACTION_TYPE_QUEUE, + .conf = &(struct rte_flow_action_queue){ + .index = 0, + }, + }, + { + .type = RTE_FLOW_ACTION_TYPE_END, + }, + }; + struct rte_flow *flow; + struct rte_flow_error error; + + if (enable) { + flow = priv_flow_create(priv, &attr, items, actions, &error); + if (!flow) { + return 1; + } + TAILQ_INSERT_TAIL(&priv->ctrl_flows, flow, next); + DEBUG("Control flow created %p", (void *)flow); + } else { + struct spec { + struct ibv_exp_flow_attr ibv_attr; + struct ibv_exp_flow_spec_eth eth; + } spec; + struct mlx5_flow_parse parser = { + .ibv_attr = &spec.ibv_attr, + .offset = sizeof(struct ibv_exp_flow_attr), + }; + struct ibv_exp_flow_spec_eth *eth; + const unsigned int attr_size = sizeof(struct ibv_exp_flow_attr); + + claim_zero(mlx5_flow_create_eth(&items[0], NULL, &parser)); + TAILQ_FOREACH(flow, &priv->ctrl_flows, next) { + eth = (void *)((uintptr_t)flow->ibv_attr + attr_size); + assert(eth->type == IBV_EXP_FLOW_SPEC_ETH); + if (!memcmp(eth, &spec.eth, sizeof(*eth))) + break; + } + if (flow) { + claim_zero(ibv_exp_destroy_flow(flow->ibv_flow)); + mlx5_priv_hrxq_release(priv, flow->hrxq); + rte_free(flow->ibv_attr); + DEBUG("Control flow destroyed %p", (void *)flow); + TAILQ_REMOVE(&priv->ctrl_flows, flow, next); + rte_free(flow); + } + } + return 0; +} diff --git a/drivers/net/mlx5/mlx5_rxmode.c b/drivers/net/mlx5/mlx5_rxmode.c index 4a51e47..d6ca907 100644 --- a/drivers/net/mlx5/mlx5_rxmode.c +++ b/drivers/net/mlx5/mlx5_rxmode.c @@ -53,20 +53,6 @@ /* Initialization data for special flows. */ static const struct special_flow_init special_flow_init[] = { - [HASH_RXQ_FLOW_TYPE_PROMISC] = { - .dst_mac_val = "\x00\x00\x00\x00\x00\x00", - .dst_mac_mask = "\x00\x00\x00\x00\x00\x00", - .hash_types = - 1 << HASH_RXQ_TCPV4 | - 1 << HASH_RXQ_UDPV4 | - 1 << HASH_RXQ_IPV4 | - 1 << HASH_RXQ_TCPV6 | - 1 << HASH_RXQ_UDPV6 | - 1 << HASH_RXQ_IPV6 | - 1 << HASH_RXQ_ETH | - 0, - .per_vlan = 0, - }, [HASH_RXQ_FLOW_TYPE_ALLMULTI] = { .dst_mac_val = "\x01\x00\x00\x00\x00\x00", .dst_mac_mask = "\x01\x00\x00\x00\x00\x00", @@ -342,7 +328,7 @@ priv_special_flow_enable_all(struct priv *priv) if (priv->isolated) return 0; - for (flow_type = HASH_RXQ_FLOW_TYPE_PROMISC; + for (flow_type = HASH_RXQ_FLOW_TYPE_ALLMULTI; flow_type != HASH_RXQ_FLOW_TYPE_MAC; ++flow_type) { int ret; @@ -369,7 +355,7 @@ priv_special_flow_disable_all(struct priv *priv) { enum hash_rxq_flow_type flow_type; - for (flow_type = HASH_RXQ_FLOW_TYPE_PROMISC; + for (flow_type = HASH_RXQ_FLOW_TYPE_ALLMULTI; flow_type != HASH_RXQ_FLOW_TYPE_MAC; ++flow_type) priv_special_flow_disable(priv, flow_type); @@ -384,19 +370,16 @@ priv_special_flow_disable_all(struct priv *priv) void mlx5_promiscuous_enable(struct rte_eth_dev *dev) { - struct priv *priv = dev->data->dev_private; - int ret; + struct rte_flow_item_eth eth = { + .dst.addr_bytes = "\x00\x00\x00\x00\x00\x00", + .src.addr_bytes = "\x00\x00\x00\x00\x00\x00", + .type = 0, + }; if (mlx5_is_secondary()) return; - - priv_lock(priv); - priv->promisc_req = 1; - ret = priv_rehash_flows(priv); - if (ret) - ERROR("error while enabling promiscuous mode: %s", - strerror(ret)); - priv_unlock(priv); + dev->data->promiscuous = 1; + claim_zero(mlx5_flow_ctrl(dev, ð, ð, 3, 1)); } /** @@ -408,19 +391,16 @@ mlx5_promiscuous_enable(struct rte_eth_dev *dev) void mlx5_promiscuous_disable(struct rte_eth_dev *dev) { - struct priv *priv = dev->data->dev_private; - int ret; + struct rte_flow_item_eth eth = { + .dst.addr_bytes = "\x00\x00\x00\x00\x00\x00", + .src.addr_bytes = "\x00\x00\x00\x00\x00\x00", + .type = 0, + }; if (mlx5_is_secondary()) return; - - priv_lock(priv); - priv->promisc_req = 0; - ret = priv_rehash_flows(priv); - if (ret) - ERROR("error while disabling promiscuous mode: %s", - strerror(ret)); - priv_unlock(priv); + dev->data->promiscuous = 0; + claim_zero(mlx5_flow_ctrl(dev, ð, ð, 3, 0)); } /** diff --git a/drivers/net/mlx5/mlx5_rxq.c b/drivers/net/mlx5/mlx5_rxq.c index 076b575..5f9e84a 100644 --- a/drivers/net/mlx5/mlx5_rxq.c +++ b/drivers/net/mlx5/mlx5_rxq.c @@ -573,13 +573,7 @@ priv_destroy_hash_rxqs(struct priv *priv) int priv_allow_flow_type(struct priv *priv, enum hash_rxq_flow_type type) { - /* Only FLOW_TYPE_PROMISC is allowed when promiscuous mode - * has been requested. */ - if (priv->promisc_req) - return type == HASH_RXQ_FLOW_TYPE_PROMISC; switch (type) { - case HASH_RXQ_FLOW_TYPE_PROMISC: - return !!priv->promisc_req; case HASH_RXQ_FLOW_TYPE_ALLMULTI: return !!priv->allmulti_req; case HASH_RXQ_FLOW_TYPE_BROADCAST: @@ -610,7 +604,7 @@ priv_rehash_flows(struct priv *priv) { enum hash_rxq_flow_type i; - for (i = HASH_RXQ_FLOW_TYPE_PROMISC; + for (i = HASH_RXQ_FLOW_TYPE_ALLMULTI; i != RTE_DIM((*priv->hash_rxqs)[0].special_flow); ++i) if (!priv_allow_flow_type(priv, i)) { diff --git a/drivers/net/mlx5/mlx5_rxtx.h b/drivers/net/mlx5/mlx5_rxtx.h index 6397a50..166cd5d 100644 --- a/drivers/net/mlx5/mlx5_rxtx.h +++ b/drivers/net/mlx5/mlx5_rxtx.h @@ -233,7 +233,6 @@ struct special_flow_init { }; enum hash_rxq_flow_type { - HASH_RXQ_FLOW_TYPE_PROMISC, HASH_RXQ_FLOW_TYPE_ALLMULTI, HASH_RXQ_FLOW_TYPE_BROADCAST, HASH_RXQ_FLOW_TYPE_IPV6MULTI, @@ -245,8 +244,6 @@ static inline const char * hash_rxq_flow_type_str(enum hash_rxq_flow_type flow_type) { switch (flow_type) { - case HASH_RXQ_FLOW_TYPE_PROMISC: - return "promiscuous"; case HASH_RXQ_FLOW_TYPE_ALLMULTI: return "allmulticast"; case HASH_RXQ_FLOW_TYPE_BROADCAST: diff --git a/drivers/net/mlx5/mlx5_trigger.c b/drivers/net/mlx5/mlx5_trigger.c index bedce0a..ead8238 100644 --- a/drivers/net/mlx5/mlx5_trigger.c +++ b/drivers/net/mlx5/mlx5_trigger.c @@ -165,7 +165,16 @@ mlx5_dev_start(struct rte_eth_dev *dev) (void *)priv, strerror(err)); goto error; } - err = priv_flow_start(priv); + if (dev->data->promiscuous) + mlx5_promiscuous_enable(dev); + err = priv_flow_start(priv, &priv->ctrl_flows); + if (err) { + ERROR("%p: an error occurred while configuring control flows:" + " %s", + (void *)priv, strerror(err)); + goto error; + } + err = priv_flow_start(priv, &priv->flows); if (err) { ERROR("%p: an error occurred while configuring flows:" " %s", @@ -189,7 +198,8 @@ mlx5_dev_start(struct rte_eth_dev *dev) priv_special_flow_disable_all(priv); priv_mac_addrs_disable(priv); priv_destroy_hash_rxqs(priv); - priv_flow_stop(priv); + priv_flow_stop(priv, &priv->flows); + priv_flow_flush(priv, &priv->ctrl_flows); priv_rxq_stop(priv); priv_txq_stop(priv); priv_unlock(priv); @@ -218,13 +228,13 @@ mlx5_dev_stop(struct rte_eth_dev *dev) priv_special_flow_disable_all(priv); priv_mac_addrs_disable(priv); priv_destroy_hash_rxqs(priv); - priv_flow_stop(priv); - priv_rx_intr_vec_disable(priv); + priv_flow_stop(priv, &priv->flows); + priv_flow_flush(priv, &priv->ctrl_flows); LIST_FOREACH(mr, &priv->mr, next) { priv_mr_release(priv, mr); } priv_txq_stop(priv); priv_rxq_stop(priv); - priv_dev_interrupt_handler_uninstall(priv, dev); + priv_rx_intr_vec_disable(priv); priv_unlock(priv); }