From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758916AbcLUJEN (ORCPT ); Wed, 21 Dec 2016 04:04:13 -0500 Received: from mail-bn3nam01on0069.outbound.protection.outlook.com ([104.47.33.69]:52484 "EHLO NAM01-BN3-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1757051AbcLUJDk (ORCPT ); Wed, 21 Dec 2016 04:03:40 -0500 Authentication-Results: spf=none (sender IP is ) smtp.mailfrom=Satha.Rao@cavium.com; From: Satha Koteswara Rao To: CC: , , , , , , , , , Subject: [RFC PATCH 0/7] ThunderX Embedded switch support Date: Wed, 21 Dec 2016 14:16:44 +0530 Message-ID: <1482310011-1862-1-git-send-email-satha.rao@caviumnetworks.com> X-Mailer: git-send-email 1.8.3.1 MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [111.93.218.67] X-ClientProxiedBy: MAXPR01CA0030.INDPRD01.PROD.OUTLOOK.COM (10.164.147.37) To CY4PR07MB2838.namprd07.prod.outlook.com (10.169.252.16) X-MS-Office365-Filtering-Correlation-Id: 04347dba-3a6f-4485-5427-08d4297e0a31 X-Microsoft-Antispam: UriScan:;BCL:0;PCL:0;RULEID:(22001);SRVR:CY4PR07MB2838; 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Embedded switch is pre-configured by loading firmware image which exposes several firmware defined tables allowing configuration of VLAN and MAC filters. Embedded switch configuration profile and the driver introduce the following features: * Support of configurable number of VFs per physical port (see num_vfs below) * VLAN filters per VF * Unicast MAC-DA filters per VF * Multicast MAC-DA filters per VF * Support of dedicated VF allowing packet mirroring of all traffic traversing physical port (such VF is attached to the interface representing physical port) * Administrative VLAN enforcement per VF (i.e. inserting/overwriting VLAN tag on all traffic originated by particular VF) Each VF operates in two modes: a) full filter mode, where it receives only registered MAC-DA/VLAN packets and b) multicast promiscuous mode. The latter is enabled when VF reaches it's maximum MAC-DA filter limit: in this mode VF receives all multicast and registered unicast MAC frames. Special effort is made to track association of interface switching groups to underlying physical ports: entry of /sys/class/net//phys_port_name contains string describing underlying physical port the interface is attached to in a form --. Set of patches include following changes: 1) Patch to original NIC drivers to enable internal switch, and load firmware image. 2) Modification of VF driver to subscribe to interface MAC/VLAN ADD/DELETE notifications and send them to the PF driver. 3) Modification of PF driver to receive MBOX interrupts from VF for ADD/DELETE MAC/VLAN registrations. 4) E-switch initialization code 5) API to access firmware-defined tables embedded switch tables. The following new parameter is introduced by the driver: num_vfs: Number of VFs attached to each physical port, default value of this parameter is 0, in which case driver operates in backward-compatible switch bypass mode. Set of patches uses below git branch git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git patchset generated against below commit commit 69973b830859bc6529a7a0468ba0d80ee5117826 Author: Linus Torvalds Date: Sun Dec 11 11:17:54 2016 -0800 Linux 4.9 Thank You! ------------------------------------------------------------------------------- Satha Koteswara Rao (7): * Patch 1: * PF driver modified to enable HW filter support, changes works in backward compatibility mode. Enable required things in Makefile. Enable LZ4 dependecy inside config file * Patch 2: * VF driver changes to enable hooks to get kernel notifications * Patch 3: * Enable pause frame support * Patch 4: * HW Filter Initialization code and register access APIs * Patch 5: * Multiple VF's grouped together under single physical port called PF group. PF Group maintainance API's. * Patch 6: * HW Filter Table access API's * Patch 7: * Get notifications from PF driver and configure filter block based on requested data. drivers/net/ethernet/cavium/Kconfig | 1 + drivers/net/ethernet/cavium/thunder/Makefile | 2 +- drivers/net/ethernet/cavium/thunder/nic.h | 203 ++- drivers/net/ethernet/cavium/thunder/nic_main.c | 735 ++++++++- drivers/net/ethernet/cavium/thunder/nicvf_main.c | 579 ++++++- drivers/net/ethernet/cavium/thunder/pf_filter.c | 1678 +++++++++++++++++++++ drivers/net/ethernet/cavium/thunder/pf_globals.h | 78 + drivers/net/ethernet/cavium/thunder/pf_locals.h | 365 +++++ drivers/net/ethernet/cavium/thunder/pf_reg.c | 660 ++++++++ drivers/net/ethernet/cavium/thunder/pf_vf.c | 207 +++ drivers/net/ethernet/cavium/thunder/tbl_access.c | 262 ++++ drivers/net/ethernet/cavium/thunder/tbl_access.h | 61 + drivers/net/ethernet/cavium/thunder/thunder_bgx.c | 25 + drivers/net/ethernet/cavium/thunder/thunder_bgx.h | 7 + 14 files changed, 4712 insertions(+), 151 deletions(-) create mode 100644 drivers/net/ethernet/cavium/thunder/pf_filter.c create mode 100644 drivers/net/ethernet/cavium/thunder/pf_globals.h create mode 100644 drivers/net/ethernet/cavium/thunder/pf_locals.h create mode 100644 drivers/net/ethernet/cavium/thunder/pf_reg.c create mode 100644 drivers/net/ethernet/cavium/thunder/pf_vf.c create mode 100644 drivers/net/ethernet/cavium/thunder/tbl_access.c create mode 100644 drivers/net/ethernet/cavium/thunder/tbl_access.h -- 1.8.3.1