From patchwork Mon Sep 26 16:16:54 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Ajit Khaparde X-Patchwork-Id: 16141 X-Patchwork-Delegate: bruce.richardson@intel.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 63AC86CB5; Mon, 26 Sep 2016 18:16:58 +0200 (CEST) Received: from mail-gw3-out.broadcom.com (mail-gw3-out.broadcom.com [216.31.210.64]) by dpdk.org (Postfix) with ESMTP id 87B292BBE for ; Mon, 26 Sep 2016 18:16:56 +0200 (CEST) X-IronPort-AV: E=Sophos;i="5.30,400,1470726000"; d="scan'208";a="105165679" Received: from mail-irv-18.broadcom.com ([10.15.198.37]) by mail-gw3-out.broadcom.com with ESMTP; 26 Sep 2016 09:51:09 -0700 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 A972D84FF2 for ; Mon, 26 Sep 2016 09:17:01 -0700 (PDT) Received: from C02PT1RBG8WP.aus.broadcom.com (dhcp-10-46-50-80.aus.broadcom.com [10.46.50.80]) by mail-irva-12.broadcom.com (Postfix) with ESMTP id C77B2A6282 for ; Mon, 26 Sep 2016 09:16:54 -0700 (PDT) Date: Mon, 26 Sep 2016 11:16:54 -0500 From: Ajit Khaparde To: dev@dpdk.org Message-ID: <20160926161654.GA28144@C02PT1RBG8WP.aus.broadcom.com> MIME-Version: 1.0 Content-Disposition: inline User-Agent: Mutt/1.5.23 (2014-03-12) Subject: [dpdk-dev] [v2 01/15] bnxt: Add support for Broadcom StrataGX Communication Processors 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: , Errors-To: dev-bounces@dpdk.org Sender: "dev" This patch adds support for the Broadcom StrataGX® BCM5871X series of Communucations Processors. These ARM based processors target a broad range of networking applications including virtual CPE (vCPE) and NFV appliances, 10G service routers and gateways, control plane processing for Ethernet switches, and network attached storage (NAS). Other than adding the PCI Id for supporting the device, the patch also adds a memory barrier before the Tx doorbell and Completing ring doorbell is written to. Since ARM has a weakly ordered memory model this enforces a strict ordering of the descriptor writes before the doorbell writes happen. Signed-off-by: John Carney Signed-off-by: Ajit Khaparde --- drivers/net/bnxt/bnxt_cpr.h | 1 + drivers/net/bnxt/bnxt_ethdev.c | 2 ++ drivers/net/bnxt/bnxt_txr.h | 1 + 3 files changed, 4 insertions(+) diff --git a/drivers/net/bnxt/bnxt_cpr.h b/drivers/net/bnxt/bnxt_cpr.h index c176f8c..f9f2adb 100644 --- a/drivers/net/bnxt/bnxt_cpr.h +++ b/drivers/net/bnxt/bnxt_cpr.h @@ -54,6 +54,7 @@ RING_CMP(cpr->cp_ring_struct, raw_cons))) #define B_CP_DIS_DB(cpr, raw_cons) \ + rte_smp_wmb(); \ (*(uint32_t *)((cpr)->cp_doorbell) = (DB_CP_FLAGS | \ RING_CMP(cpr->cp_ring_struct, raw_cons))) diff --git a/drivers/net/bnxt/bnxt_ethdev.c b/drivers/net/bnxt/bnxt_ethdev.c index f4eedfd..cea86cf 100644 --- a/drivers/net/bnxt/bnxt_ethdev.c +++ b/drivers/net/bnxt/bnxt_ethdev.c @@ -62,6 +62,7 @@ static const char bnxt_version[] = #define BROADCOM_DEV_ID_57302 0x16c9 #define BROADCOM_DEV_ID_57304_PF 0x16ca #define BROADCOM_DEV_ID_57304_VF 0x16cb +#define BROADCOM_DEV_ID_NS2 0x16cd #define BROADCOM_DEV_ID_57402 0x16d0 #define BROADCOM_DEV_ID_57404 0x16d1 #define BROADCOM_DEV_ID_57406_PF 0x16d2 @@ -74,6 +75,7 @@ static struct rte_pci_id bnxt_pci_id_map[] = { { RTE_PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, BROADCOM_DEV_ID_57302) }, { RTE_PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, BROADCOM_DEV_ID_57304_PF) }, { RTE_PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, BROADCOM_DEV_ID_57304_VF) }, + { RTE_PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, BROADCOM_DEV_ID_NS2) }, { RTE_PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, BROADCOM_DEV_ID_57402) }, { RTE_PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, BROADCOM_DEV_ID_57404) }, { RTE_PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, BROADCOM_DEV_ID_57406_PF) }, diff --git a/drivers/net/bnxt/bnxt_txr.h b/drivers/net/bnxt/bnxt_txr.h index 2176aca..4c16101 100644 --- a/drivers/net/bnxt/bnxt_txr.h +++ b/drivers/net/bnxt/bnxt_txr.h @@ -38,6 +38,7 @@ #define BNXT_TX_PUSH_THRESH 92 #define B_TX_DB(db, prod) \ + rte_smp_wmb(); \ (*(uint32_t *)db = (DB_KEY_TX | prod)) struct bnxt_tx_ring_info {