From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stephen Hurd Subject: [PATCH v5 37/38] bnxt: add RSS device operations Date: Tue, 14 Jun 2016 15:56:10 -0700 Message-ID: <1465944971-113413-37-git-send-email-stephen.hurd@broadcom.com> References: <1465250923-78695-1-git-send-email-stephen.hurd@broadcom.com> <1465944971-113413-1-git-send-email-stephen.hurd@broadcom.com> To: dev@dpdk.org, ajit.khaparde@broadcom.com, bruce.richardson@intel.com Return-path: Received: from mail-gw1-out.broadcom.com (mail-gw1-out.broadcom.com [216.31.210.62]) by dpdk.org (Postfix) with ESMTP id A044CAD91 for ; Wed, 15 Jun 2016 00:57:12 +0200 (CEST) In-Reply-To: <1465944971-113413-1-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" From: Ajit Khaparde Add rss_hash_update and rss_hash_conf_get dev_ops Uses the bnxt_hwrm_vnic_rss_cfg() HWRM API added in the previous patch. Signed-off-by: Ajit Khaparde Signed-off-by: Stephen Hurd Reviewed-by: David Christensen -- v4: Fix issues pointed out by checkpatch. v5: Rewrite the patch description. Reorder the footer. --- drivers/net/bnxt/bnxt_ethdev.c | 121 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 121 insertions(+) diff --git a/drivers/net/bnxt/bnxt_ethdev.c b/drivers/net/bnxt/bnxt_ethdev.c index b3b76f1..3c7f868 100644 --- a/drivers/net/bnxt/bnxt_ethdev.c +++ b/drivers/net/bnxt/bnxt_ethdev.c @@ -62,6 +62,14 @@ static struct rte_pci_id bnxt_pci_id_map[] = { {.device_id = 0}, }; +#define BNXT_ETH_RSS_SUPPORT ( \ + ETH_RSS_IPV4 | \ + ETH_RSS_NONFRAG_IPV4_TCP | \ + ETH_RSS_NONFRAG_IPV4_UDP | \ + ETH_RSS_IPV6 | \ + ETH_RSS_NONFRAG_IPV6_TCP | \ + ETH_RSS_NONFRAG_IPV6_UDP) + /***********************/ /* @@ -636,6 +644,117 @@ static int bnxt_reta_query_op(struct rte_eth_dev *eth_dev, return 0; } +static int bnxt_rss_hash_update_op(struct rte_eth_dev *eth_dev, + struct rte_eth_rss_conf *rss_conf) +{ + struct bnxt *bp = (struct bnxt *)eth_dev->data->dev_private; + struct rte_eth_conf *dev_conf = &bp->eth_dev->data->dev_conf; + struct bnxt_vnic_info *vnic; + uint16_t hash_type = 0; + int i; + + /* + * If RSS enablement were different than dev_configure, + * then return -EINVAL + */ + if (dev_conf->rxmode.mq_mode & ETH_MQ_RX_RSS_FLAG) { + if (!rss_conf->rss_hf) + return -EINVAL; + } else { + if (rss_conf->rss_hf & BNXT_ETH_RSS_SUPPORT) + return -EINVAL; + } + if (rss_conf->rss_hf & ETH_RSS_IPV4) + hash_type |= HWRM_VNIC_RSS_CFG_INPUT_HASH_TYPE_IPV4; + if (rss_conf->rss_hf & ETH_RSS_NONFRAG_IPV4_TCP) + hash_type |= HWRM_VNIC_RSS_CFG_INPUT_HASH_TYPE_TCP_IPV4; + if (rss_conf->rss_hf & ETH_RSS_NONFRAG_IPV4_UDP) + hash_type |= HWRM_VNIC_RSS_CFG_INPUT_HASH_TYPE_UDP_IPV4; + if (rss_conf->rss_hf & ETH_RSS_IPV6) + hash_type |= HWRM_VNIC_RSS_CFG_INPUT_HASH_TYPE_IPV6; + if (rss_conf->rss_hf & ETH_RSS_NONFRAG_IPV6_TCP) + hash_type |= HWRM_VNIC_RSS_CFG_INPUT_HASH_TYPE_TCP_IPV6; + if (rss_conf->rss_hf & ETH_RSS_NONFRAG_IPV6_UDP) + hash_type |= HWRM_VNIC_RSS_CFG_INPUT_HASH_TYPE_UDP_IPV6; + + /* Update the RSS VNIC(s) */ + for (i = 0; i < MAX_FF_POOLS; i++) { + STAILQ_FOREACH(vnic, &bp->ff_pool[i], next) { + vnic->hash_type = hash_type; + + /* + * Use the supplied key if the key length is + * acceptable and the rss_key is not NULL + */ + if (rss_conf->rss_key && + rss_conf->rss_key_len <= HW_HASH_KEY_SIZE) + memcpy(vnic->rss_hash_key, rss_conf->rss_key, + rss_conf->rss_key_len); + + bnxt_hwrm_vnic_rss_cfg(bp, vnic); + } + } + return 0; +} + +static int bnxt_rss_hash_conf_get_op(struct rte_eth_dev *eth_dev, + struct rte_eth_rss_conf *rss_conf) +{ + struct bnxt *bp = (struct bnxt *)eth_dev->data->dev_private; + struct bnxt_vnic_info *vnic = &bp->vnic_info[0]; + int len; + uint32_t hash_types; + + /* RSS configuration is the same for all VNICs */ + if (vnic && vnic->rss_hash_key) { + if (rss_conf->rss_key) { + len = rss_conf->rss_key_len <= HW_HASH_KEY_SIZE ? + rss_conf->rss_key_len : HW_HASH_KEY_SIZE; + memcpy(rss_conf->rss_key, vnic->rss_hash_key, len); + } + + hash_types = vnic->hash_type; + rss_conf->rss_hf = 0; + if (hash_types & HWRM_VNIC_RSS_CFG_INPUT_HASH_TYPE_IPV4) { + rss_conf->rss_hf |= ETH_RSS_IPV4; + hash_types &= ~HWRM_VNIC_RSS_CFG_INPUT_HASH_TYPE_IPV4; + } + if (hash_types & HWRM_VNIC_RSS_CFG_INPUT_HASH_TYPE_TCP_IPV4) { + rss_conf->rss_hf |= ETH_RSS_NONFRAG_IPV4_TCP; + hash_types &= + ~HWRM_VNIC_RSS_CFG_INPUT_HASH_TYPE_TCP_IPV4; + } + if (hash_types & HWRM_VNIC_RSS_CFG_INPUT_HASH_TYPE_UDP_IPV4) { + rss_conf->rss_hf |= ETH_RSS_NONFRAG_IPV4_UDP; + hash_types &= + ~HWRM_VNIC_RSS_CFG_INPUT_HASH_TYPE_UDP_IPV4; + } + if (hash_types & HWRM_VNIC_RSS_CFG_INPUT_HASH_TYPE_IPV6) { + rss_conf->rss_hf |= ETH_RSS_IPV6; + hash_types &= ~HWRM_VNIC_RSS_CFG_INPUT_HASH_TYPE_IPV6; + } + if (hash_types & HWRM_VNIC_RSS_CFG_INPUT_HASH_TYPE_TCP_IPV6) { + rss_conf->rss_hf |= ETH_RSS_NONFRAG_IPV6_TCP; + hash_types &= + ~HWRM_VNIC_RSS_CFG_INPUT_HASH_TYPE_TCP_IPV6; + } + if (hash_types & HWRM_VNIC_RSS_CFG_INPUT_HASH_TYPE_UDP_IPV6) { + rss_conf->rss_hf |= ETH_RSS_NONFRAG_IPV6_UDP; + hash_types &= + ~HWRM_VNIC_RSS_CFG_INPUT_HASH_TYPE_UDP_IPV6; + } + if (hash_types) { + RTE_LOG(ERR, PMD, + "Unknwon RSS config from firmware (%08x), RSS disabled", + vnic->hash_type); + return -ENOTSUP; + } + } else { + rss_conf->rss_hf = 0; + } + return 0; +} + /* * Initialization */ @@ -656,6 +775,8 @@ static struct eth_dev_ops bnxt_dev_ops = { .tx_queue_release = bnxt_tx_queue_release_op, .reta_update = bnxt_reta_update_op, .reta_query = bnxt_reta_query_op, + .rss_hash_update = bnxt_rss_hash_update_op, + .rss_hash_conf_get = bnxt_rss_hash_conf_get_op, .link_update = bnxt_link_update_op, .promiscuous_enable = bnxt_promiscuous_enable_op, .promiscuous_disable = bnxt_promiscuous_disable_op, -- 1.9.1