From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id BD02FA09FD; Fri, 18 Dec 2020 15:57:07 +0100 (CET) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id A497ACB27; Fri, 18 Dec 2020 15:56:17 +0100 (CET) Received: from mellanox.co.il (mail-il-dmz.mellanox.com [193.47.165.129]) by dpdk.org (Postfix) with ESMTP id 24138CAFF for ; Fri, 18 Dec 2020 15:56:13 +0100 (CET) Received: from Internal Mail-Server by MTLPINE1 (envelope-from xuemingl@nvidia.com) with SMTP; 18 Dec 2020 16:56:06 +0200 Received: from nvidia.com (pegasus05.mtr.labs.mlnx [10.210.16.100]) by labmailer.mlnx (8.13.8/8.13.8) with ESMTP id 0BIEu65S013340; Fri, 18 Dec 2020 16:56:06 +0200 From: Xueming Li To: Viacheslav Ovsiienko , Thomas Monjalon , Ferruh Yigit , Andrew Rybchenko , Olivier Matz , Matan Azrad Cc: dev@dpdk.org, xuemingl@nvidia.com, Asaf Penso Date: Fri, 18 Dec 2020 14:55:51 +0000 Message-Id: <1608303356-13089-3-git-send-email-xuemingl@nvidia.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1608303356-13089-1-git-send-email-xuemingl@nvidia.com> References: <1608303356-13089-1-git-send-email-xuemingl@nvidia.com> Subject: [dpdk-dev] [RFC 2/7] ethdev: support multi-host representor 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" This patch introduce multi-host controller for ethdev representor syntax, examples: [[c#]pf#]vf#: VF port representor/s, example: pf0vf1 [[c#]pf#]sf#: SF port representor/s, example: c1pf1sf[0-3] c# is controller ID/range in case of multi-host, optional. It is mostly for SmartNIC attached to multiple hosts in the same rack to allow routing the packets between PF/SF/VF running on these hosts. Signed-off-by: Xueming Li --- config/rte_config.h | 1 + lib/librte_ethdev/ethdev_private.c | 13 +++++++++++-- lib/librte_ethdev/rte_ethdev_driver.h | 4 ++++ 3 files changed, 16 insertions(+), 2 deletions(-) diff --git a/config/rte_config.h b/config/rte_config.h index a0b5160ff2..23d02d51ef 100644 --- a/config/rte_config.h +++ b/config/rte_config.h @@ -58,6 +58,7 @@ #define RTE_MAX_QUEUES_PER_PORT 1024 #define RTE_ETHDEV_QUEUE_STAT_CNTRS 16 /* max 256 */ #define RTE_ETHDEV_RXTX_CALLBACKS 1 +#define RTE_MAX_MULTI_HOST_CTRLS 4 /* cryptodev defines */ #define RTE_CRYPTO_MAX_DEVS 64 diff --git a/lib/librte_ethdev/ethdev_private.c b/lib/librte_ethdev/ethdev_private.c index 2a057c5f36..3e455acea9 100644 --- a/lib/librte_ethdev/ethdev_private.c +++ b/lib/librte_ethdev/ethdev_private.c @@ -95,8 +95,8 @@ rte_eth_devargs_process_list(char *str, uint16_t *list, uint16_t *len_list, /* * representor format: * #: range or single number of VF representor - legacy - * [pf#]vf#: VF port representor/s - * [pf#]sf#: SF port representor/s + * [[c#]pf#]vf#: VF port representor/s + * [[c#]pf#]sf#: SF port representor/s */ int rte_eth_devargs_parse_representor_ports(char *str, void *data) @@ -105,6 +105,15 @@ rte_eth_devargs_parse_representor_ports(char *str, void *data) int ret; eth_da->type = RTE_ETH_REPRESENTOR_NONE; + if (str[0] == 'c') { + str += 1; + ret = rte_eth_devargs_process_list(str, eth_da->mh_controllers, + ð_da->nb_mh_controllers, + RTE_DIM(eth_da->mh_controllers)); + if (ret < 0) + goto err; + str += ret; + } /* parse pf# */ if (str[0] == 'p' && str[1] == 'f') { str += 2; diff --git a/lib/librte_ethdev/rte_ethdev_driver.h b/lib/librte_ethdev/rte_ethdev_driver.h index edb000cbd4..a7969c9408 100644 --- a/lib/librte_ethdev/rte_ethdev_driver.h +++ b/lib/librte_ethdev/rte_ethdev_driver.h @@ -1203,6 +1203,10 @@ enum rte_eth_representor_type { /** Generic Ethernet device arguments */ struct rte_eth_devargs { + uint16_t mh_controllers[RTE_MAX_MULTI_HOST_CTRLS]; + /** controller/s number in case of multi-host */ + uint16_t nb_mh_controllers; + /** number of controllers in multi-host contollerss field */ uint16_t ports[RTE_MAX_ETHPORTS]; /** port/s number to enable on a multi-port single function */ uint16_t nb_ports; -- 2.25.1