From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) by dpdk.org (Postfix) with ESMTP id 0A519C800 for ; Fri, 19 Jun 2015 16:17:06 +0200 (CEST) Received: from orsmga002.jf.intel.com ([10.7.209.21]) by fmsmga103.fm.intel.com with ESMTP; 19 Jun 2015 07:17:06 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.13,643,1427785200"; d="scan'208";a="749651419" Received: from unknown (HELO Sent) ([10.217.248.134]) by orsmga002.jf.intel.com with SMTP; 19 Jun 2015 07:17:04 -0700 Received: by Sent (sSMTP sendmail emulation); Fri, 19 Jun 2015 16:16:00 +0200 From: Tomasz Kulasek To: dev@dpdk.org Date: Fri, 19 Jun 2015 16:13:14 +0200 Message-Id: <1434723200-7528-3-git-send-email-tomaszx.kulasek@intel.com> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1434723200-7528-1-git-send-email-tomaszx.kulasek@intel.com> References: <1433329147-2840-1-git-send-email-tomaszx.kulasek@intel.com> <1434723200-7528-1-git-send-email-tomaszx.kulasek@intel.com> Subject: [dpdk-dev] [PATCH v2 2/8] ring: dynamic rss configuration X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 19 Jun 2015 14:17:07 -0000 This implementation allows to set and read RSS configuration for ring device, and is used to validate right values propagation over the slaves, in test units for dynamic RSS configuration for bonding. It have no impact on packet processing by ring device. Signed-off-by: Tomasz Kulasek --- drivers/net/ring/rte_eth_ring.c | 122 +++++++++++++++++++++++++++++++++++++-- 1 file changed, 118 insertions(+), 4 deletions(-) diff --git a/drivers/net/ring/rte_eth_ring.c b/drivers/net/ring/rte_eth_ring.c index 6832f01..d7e7d9c 100644 --- a/drivers/net/ring/rte_eth_ring.c +++ b/drivers/net/ring/rte_eth_ring.c @@ -39,6 +39,7 @@ #include #include #include +#include #define ETH_RING_NUMA_NODE_ACTION_ARG "nodeaction" #define ETH_RING_ACTION_CREATE "CREATE" @@ -66,6 +67,17 @@ struct pmd_internals { struct ring_queue tx_ring_queues[RTE_PMD_RING_MAX_TX_RINGS]; struct ether_addr address; + + /** Bit mask of RSS offloads, the bit offset also means flow type */ + uint64_t flow_type_rss_offloads; + + rte_spinlock_t rss_lock; + + uint16_t reta_size; + struct rte_eth_rss_reta_entry64 reta_conf[ETH_RSS_RETA_SIZE_128 / + RTE_RETA_GROUP_SIZE]; + + uint8_t rss_key[40]; /**< 40-byte hash key. */ }; @@ -173,6 +185,8 @@ eth_dev_info(struct rte_eth_dev *dev, dev_info->max_tx_queues = (uint16_t)internals->nb_tx_queues; dev_info->min_rx_bufsize = 0; dev_info->pci_dev = NULL; + dev_info->flow_type_rss_offloads = internals->flow_type_rss_offloads; + dev_info->reta_size = internals->reta_size; } static void @@ -234,6 +248,93 @@ static int eth_link_update(struct rte_eth_dev *dev __rte_unused, int wait_to_complete __rte_unused) { return 0; } +static int +eth_rss_reta_update(struct rte_eth_dev *dev, + struct rte_eth_rss_reta_entry64 *reta_conf, + uint16_t reta_size) +{ + int i, j; + struct pmd_internals *internal = dev->data->dev_private; + + if (reta_size != internal->reta_size) + return -EINVAL; + + rte_spinlock_lock(&internal->rss_lock); + + /* Copy RETA table */ + for (i = 0; i < (internal->reta_size / RTE_RETA_GROUP_SIZE); i++) { + internal->reta_conf[i].mask = reta_conf[i].mask; + for (j = 0; j < RTE_RETA_GROUP_SIZE; j++) + if ((reta_conf[i].mask >> j) & 0x01) + internal->reta_conf[i].reta[j] = reta_conf[i].reta[j]; + } + + rte_spinlock_unlock(&internal->rss_lock); + + return 0; +} + +static int +eth_rss_reta_query(struct rte_eth_dev *dev, + struct rte_eth_rss_reta_entry64 *reta_conf, + uint16_t reta_size) +{ + int i, j; + struct pmd_internals *internal = dev->data->dev_private; + + if (reta_size != internal->reta_size) return -EINVAL; + + rte_spinlock_lock(&internal->rss_lock); + + /* Copy RETA table */ + for (i = 0; i < (internal->reta_size / RTE_RETA_GROUP_SIZE); i++) { + for (j = 0; j < RTE_RETA_GROUP_SIZE; j++) + if ((reta_conf[i].mask >> j) & 0x01) + reta_conf[i].reta[j] = internal->reta_conf[i].reta[j]; + } + + rte_spinlock_unlock(&internal->rss_lock); + + return 0; +} + +static int +eth_rss_hash_update(struct rte_eth_dev *dev, + struct rte_eth_rss_conf *rss_conf) +{ + struct pmd_internals *internal = dev->data->dev_private; + + rte_spinlock_lock(&internal->rss_lock); + + if ((rss_conf->rss_hf & internal->flow_type_rss_offloads) != 0) + dev->data->dev_conf.rx_adv_conf.rss_conf.rss_hf = + rss_conf->rss_hf & internal->flow_type_rss_offloads; + + if (rss_conf->rss_key != NULL) + memcpy(internal->rss_key, rss_conf->rss_key, 40); + + rte_spinlock_unlock(&internal->rss_lock); + + return 0; +} + +static int +eth_rss_hash_conf_get(struct rte_eth_dev *dev, + struct rte_eth_rss_conf *rss_conf) +{ + struct pmd_internals *internal = dev->data->dev_private; + + rte_spinlock_lock(&internal->rss_lock); + + rss_conf->rss_hf = dev->data->dev_conf.rx_adv_conf.rss_conf.rss_hf; + if (rss_conf->rss_key != NULL) + memcpy(rss_conf->rss_key, internal->rss_key, 40); + + rte_spinlock_unlock(&internal->rss_lock); + + return 0; +} + static const struct eth_dev_ops ops = { .dev_start = eth_dev_start, .dev_stop = eth_dev_stop, @@ -250,6 +351,10 @@ static const struct eth_dev_ops ops = { .stats_reset = eth_stats_reset, .mac_addr_remove = eth_mac_addr_remove, .mac_addr_add = eth_mac_addr_add, + .reta_update = eth_rss_reta_update, + .reta_query = eth_rss_reta_query, + .rss_hash_update = eth_rss_hash_update, + .rss_hash_conf_get = eth_rss_hash_conf_get }; int @@ -268,6 +373,13 @@ rte_eth_from_rings(const char *name, struct rte_ring *const rx_queues[], unsigned i; + static const uint8_t default_rss_key[40] = { + 0x6D, 0x5A, 0x56, 0xDA, 0x25, 0x5B, 0x0E, 0xC2, 0x41, 0x67, 0x25, 0x3D, + 0x43, 0xA3, 0x8F, 0xB0, 0xD0, 0xCA, 0x2B, 0xCB, 0xAE, 0x7B, 0x30, 0xB4, + 0x77, 0xCB, 0x2D, 0xA3, 0x80, 0x30, 0xF2, 0x0C, 0x6A, 0x42, 0xB7, 0x3B, + 0xBE, 0xAC, 0x01, 0xFA + }; + /* do some parameter checking */ if (rx_queues == NULL && nb_rx_queues > 0) goto error; @@ -316,12 +428,14 @@ rte_eth_from_rings(const char *name, struct rte_ring *const rx_queues[], internals->nb_rx_queues = nb_rx_queues; internals->nb_tx_queues = nb_tx_queues; - for (i = 0; i < nb_rx_queues; i++) { + for (i = 0; i < nb_rx_queues; i++) internals->rx_ring_queues[i].rng = rx_queues[i]; - } - for (i = 0; i < nb_tx_queues; i++) { + for (i = 0; i < nb_tx_queues; i++) internals->tx_ring_queues[i].rng = tx_queues[i]; - } + internals->flow_type_rss_offloads = ETH_RSS_PROTO_MASK; + internals->reta_size = RTE_DIM(internals->reta_conf) * RTE_RETA_GROUP_SIZE; + + memcpy(internals->rss_key, default_rss_key, 40); eth_drv->pci_drv.name = ring_ethdev_driver_name; eth_drv->pci_drv.id_table = id_table; -- 1.7.9.5