From patchwork Tue Apr 7 23:06:45 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thomas Monjalon X-Patchwork-Id: 67918 Return-Path: X-Original-To: patchwork@inbox.dpdk.org Delivered-To: patchwork@inbox.dpdk.org Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id 9270DA0588; Wed, 8 Apr 2020 01:07:01 +0200 (CEST) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id B0B631C021; Wed, 8 Apr 2020 01:06:55 +0200 (CEST) Received: from out5-smtp.messagingengine.com (out5-smtp.messagingengine.com [66.111.4.29]) by dpdk.org (Postfix) with ESMTP id F0E431BFE8 for ; Wed, 8 Apr 2020 01:06:53 +0200 (CEST) Received: from compute7.internal (compute7.nyi.internal [10.202.2.47]) by mailout.nyi.internal (Postfix) with ESMTP id 9218B5C01AF; Tue, 7 Apr 2020 19:06:53 -0400 (EDT) Received: from mailfrontend2 ([10.202.2.163]) by compute7.internal (MEProxy); Tue, 07 Apr 2020 19:06:53 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=monjalon.net; h= from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; s=mesmtp; bh=lxTuy4PZdr EePoVIPYW290Pe7g8hIblldsCk21Eyh6s=; b=qnNhIt22zv+KbmSyroI87zKvdA 897yyoPkAFCyF3YVTs9oEb/W1FA/EZ2UagdMYmxiXEkl9Atz01B7OYuLR6vuXJsq 9xtgvDLGJAlKlgDI6YAzw0L94lyip8BZeSXTBJTQTydWu7kMFqZuqxzpIHSM/M/u 48FKUglQ54yvw3p6g= DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-transfer-encoding:date:from :in-reply-to:message-id:mime-version:references:subject:to :x-me-proxy:x-me-proxy:x-me-sender:x-me-sender:x-sasl-enc; s= fm2; bh=lxTuy4PZdrEePoVIPYW290Pe7g8hIblldsCk21Eyh6s=; b=S6xzJnMv P9MaPbfbzF1EYWptACtSc9DpQrc95ZOX4wlYTYv/uJOuXHeLau4EVGvkgTt9M7qc ZDxVbTsoyvPdSVum3XZO+1tkUwFguX+C0ibHSuzKYl3ezOdNyP/zdoNmXkRvu9qA XoutceP8IpAvD7VRGKmWPKT8K40D8HXSPzebG+xCrW/EyWNoS0dBPfi9iP1xOZ9v ZO7UDnbjM+3ftzJv2f9HELEri52oLYp59oILU8SdAaa2eSkoX2WxaHFGCJY/T4/X Z9Q3L2VVvdaQs4IKREy0nz71Jn35xQq//4Dk4mzd/fcMnnyL4Pp3/45YG+nELF+A T3/ICcG2sUCx6A== X-ME-Sender: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgeduhedrudeigddujecutefuodetggdotefrodftvf curfhrohhfihhlvgemucfhrghsthforghilhdpqfgfvfdpuffrtefokffrpgfnqfghnecu uegrihhlohhuthemuceftddtnecusecvtfgvtghiphhivghnthhsucdlqddutddtmdenuc fjughrpefhvffufffkofgjfhgggfestdekredtredttdenucfhrhhomhepvfhhohhmrghs ucfoohhnjhgrlhhonhcuoehthhhomhgrshesmhhonhhjrghlohhnrdhnvghtqeenucfkph epjeejrddufeegrddvtdefrddukeegnecuvehluhhsthgvrhfuihiivgeptdenucfrrghr rghmpehmrghilhhfrhhomhepthhhohhmrghssehmohhnjhgrlhhonhdrnhgvth X-ME-Proxy: Received: from xps.monjalon.net (184.203.134.77.rev.sfr.net [77.134.203.184]) by mail.messagingengine.com (Postfix) with ESMTPA id B07C7306D625; Tue, 7 Apr 2020 19:06:52 -0400 (EDT) From: Thomas Monjalon To: dev@dpdk.org Cc: Matan Azrad , Shahaf Shuler , Viacheslav Ovsiienko Date: Wed, 8 Apr 2020 01:06:45 +0200 Message-Id: <20200407230647.59478-2-thomas@monjalon.net> X-Mailer: git-send-email 2.26.0 In-Reply-To: <20200407230647.59478-1-thomas@monjalon.net> References: <20200210103216.1168439-1-thomas@monjalon.net> <20200407230647.59478-1-thomas@monjalon.net> MIME-Version: 1.0 Subject: [dpdk-dev] [PATCH v2 1/3] common/mlx5: split glue initialization 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" The function mlx5_glue_init was doing three things: - initialize logs - load glue library if in dlopen mode - initialize glue layer They are split in three functions for clarity. The config option RTE_IBVERBS_LINK_DLOPEN is not used anymore outside of make and meson files. It is replaced with MLX5_GLUE, which is defined in the same condition and is already used with dlopen. Signed-off-by: Thomas Monjalon Acked-by: Matan Azrad --- drivers/common/mlx5/mlx5_common.c | 75 ++++++++++++++++++------------- 1 file changed, 45 insertions(+), 30 deletions(-) diff --git a/drivers/common/mlx5/mlx5_common.c b/drivers/common/mlx5/mlx5_common.c index 046339c46f..9a30e6e0aa 100644 --- a/drivers/common/mlx5/mlx5_common.c +++ b/drivers/common/mlx5/mlx5_common.c @@ -162,7 +162,7 @@ mlx5_translate_port_name(const char *port_name_in, return; } -#ifdef RTE_IBVERBS_LINK_DLOPEN +#ifdef MLX5_GLUE /** * Suffix RTE_EAL_PMD_PATH with "-glue". @@ -204,32 +204,10 @@ mlx5_glue_path(char *buf, size_t size) " re-configure DPDK"); return NULL; } -#endif -/** - * Initialization routine for run-time dependency on rdma-core. - */ -RTE_INIT_PRIO(mlx5_glue_init, CLASS) +static int +mlx5_glue_dlopen(void) { - mlx5_common_logtype = rte_log_register_type_and_pick_level("pmd.common.mlx5", RTE_LOG_NOTICE); - - /* - * RDMAV_HUGEPAGES_SAFE tells ibv_fork_init() we intend to use - * huge pages. Calling ibv_fork_init() during init allows - * applications to use fork() safely for purposes other than - * using this PMD, which is not supported in forked processes. - */ - setenv("RDMAV_HUGEPAGES_SAFE", "1", 1); - /* Match the size of Rx completion entry to the size of a cacheline. */ - if (RTE_CACHE_LINE_SIZE == 128) - setenv("MLX5_CQE_SIZE", "128", 0); - /* - * MLX5_DEVICE_FATAL_CLEANUP tells ibv_destroy functions to - * cleanup all the Verbs resources even when the device was removed. - */ - setenv("MLX5_DEVICE_FATAL_CLEANUP", "1", 1); - /* The glue initialization was done earlier by mlx5 common library. */ -#ifdef RTE_IBVERBS_LINK_DLOPEN char glue_path[sizeof(RTE_EAL_PMD_PATH) - 1 + sizeof("-glue")]; void *handle = NULL; @@ -301,7 +279,47 @@ RTE_INIT_PRIO(mlx5_glue_init, CLASS) goto glue_error; } mlx5_glue = *sym; -#endif /* RTE_IBVERBS_LINK_DLOPEN */ + return 0; + +glue_error: + if (handle) + dlclose(handle); + return -1; +} + +#endif + +RTE_INIT_PRIO(mlx5_log_init, LOG) +{ + mlx5_common_logtype = rte_log_register_type_and_pick_level("pmd.common.mlx5", RTE_LOG_NOTICE); +} + +/** + * Initialization routine for run-time dependency on rdma-core. + */ +RTE_INIT_PRIO(mlx5_glue_init, CLASS) +{ + /* + * RDMAV_HUGEPAGES_SAFE tells ibv_fork_init() we intend to use + * huge pages. Calling ibv_fork_init() during init allows + * applications to use fork() safely for purposes other than + * using this PMD, which is not supported in forked processes. + */ + setenv("RDMAV_HUGEPAGES_SAFE", "1", 1); + /* Match the size of Rx completion entry to the size of a cacheline. */ + if (RTE_CACHE_LINE_SIZE == 128) + setenv("MLX5_CQE_SIZE", "128", 0); + /* + * MLX5_DEVICE_FATAL_CLEANUP tells ibv_destroy functions to + * cleanup all the Verbs resources even when the device was removed. + */ + setenv("MLX5_DEVICE_FATAL_CLEANUP", "1", 1); + +#ifdef MLX5_GLUE + if (mlx5_glue_dlopen() != 0) + goto glue_error; +#endif + #ifdef RTE_LIBRTE_MLX5_DEBUG /* Glue structure must not contain any NULL pointers. */ { @@ -319,11 +337,8 @@ RTE_INIT_PRIO(mlx5_glue_init, CLASS) } mlx5_glue->fork_init(); return; + glue_error: -#ifdef RTE_IBVERBS_LINK_DLOPEN - if (handle) - dlclose(handle); -#endif DRV_LOG(WARNING, "Cannot initialize MLX5 common due to missing" " run-time dependency on rdma-core libraries (libibverbs," " libmlx5)"); From patchwork Tue Apr 7 23:06:46 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thomas Monjalon X-Patchwork-Id: 67919 Return-Path: X-Original-To: patchwork@inbox.dpdk.org Delivered-To: patchwork@inbox.dpdk.org Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id A0BEDA0588; Wed, 8 Apr 2020 01:07:10 +0200 (CEST) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 5A04F1C036; Wed, 8 Apr 2020 01:06:57 +0200 (CEST) Received: from out5-smtp.messagingengine.com (out5-smtp.messagingengine.com [66.111.4.29]) by dpdk.org (Postfix) with ESMTP id EF6E41C027; Wed, 8 Apr 2020 01:06:55 +0200 (CEST) Received: from compute7.internal (compute7.nyi.internal [10.202.2.47]) by mailout.nyi.internal (Postfix) with ESMTP id 66C7D5C0195; Tue, 7 Apr 2020 19:06:55 -0400 (EDT) Received: from mailfrontend2 ([10.202.2.163]) by compute7.internal (MEProxy); Tue, 07 Apr 2020 19:06:55 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=monjalon.net; h= from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; s=mesmtp; bh=58Fc2uelyj TWwxbhU9YPTsMx3chiT2bDY2aaMmKFBfY=; b=gB8dsWgBCmPnDGkPS6lF7wOuhY Oe+drG1F9fSsYxkHt8+ws84sOGkkb2N5cmc7q/WvJ+aDJGlhGDraAc2hf/eQOL6T hqX2R074/gGE4ipcEM7rxVwgERnxPudxvro+7sQavOgLobjGFT4kYLysC/MeiwKl fbpC7SfiqSqiYvc50= DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-transfer-encoding:date:from :in-reply-to:message-id:mime-version:references:subject:to :x-me-proxy:x-me-proxy:x-me-sender:x-me-sender:x-sasl-enc; s= fm2; bh=58Fc2uelyjTWwxbhU9YPTsMx3chiT2bDY2aaMmKFBfY=; b=jx/lKb5v mWElkDAu1CzRbW156FGTzLbfzZ266vcmHyDJRCU7Mn7kHwptUiZS0VbOmVyrcpNH 4UouunZEiKKvh0VM6DQZ0rJ7pYnW454d07GMGCzouTDhDVVqS4+fuZxn0wTQABYR Pv2SEiUurnnZPsBnlijZOgN696GkF9/QQqqJrjcYR8jpNChHkTRfgHKVjboJV6Sv z8ZUqX+QBsvvKUqDRcM9XvYt8MyQfoO5y1LA9CKcceXW7v0VpR4m++MLpttWflHM dF4A9BAS7CSdsUsfmflSMHcIuQu7mfSiTTciFKpmOgKEJ/4ALpTgJ8FKDWNIhUe+ S2noL6pbUVJxig== X-ME-Sender: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgeduhedrudeigddujecutefuodetggdotefrodftvf curfhrohhfihhlvgemucfhrghsthforghilhdpqfgfvfdpuffrtefokffrpgfnqfghnecu uegrihhlohhuthemuceftddtnecusecvtfgvtghiphhivghnthhsucdlqddutddtmdenuc fjughrpefhvffufffkofgjfhgggfestdekredtredttdenucfhrhhomhepvfhhohhmrghs ucfoohhnjhgrlhhonhcuoehthhhomhgrshesmhhonhhjrghlohhnrdhnvghtqeenucfkph epjeejrddufeegrddvtdefrddukeegnecuvehluhhsthgvrhfuihiivgepvdenucfrrghr rghmpehmrghilhhfrhhomhepthhhohhmrghssehmohhnjhgrlhhonhdrnhgvth X-ME-Proxy: Received: from xps.monjalon.net (184.203.134.77.rev.sfr.net [77.134.203.184]) by mail.messagingengine.com (Postfix) with ESMTPA id 8A748306D621; Tue, 7 Apr 2020 19:06:54 -0400 (EDT) From: Thomas Monjalon To: dev@dpdk.org Cc: stable@dpdk.org, Matan Azrad , Shahaf Shuler , Viacheslav Ovsiienko Date: Wed, 8 Apr 2020 01:06:46 +0200 Message-Id: <20200407230647.59478-3-thomas@monjalon.net> X-Mailer: git-send-email 2.26.0 In-Reply-To: <20200407230647.59478-1-thomas@monjalon.net> References: <20200210103216.1168439-1-thomas@monjalon.net> <20200407230647.59478-1-thomas@monjalon.net> MIME-Version: 1.0 Subject: [dpdk-dev] [PATCH v2 2/3] common/mlx5: fix build with -fno-common 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" The variable storages of the same name are merged together if compiled with -fcommon. This is the default. This default behaviour allows to declare a variable in a header file and share the variable in every .o binaries thanks to merge at link-time. In the case of dlopen linking of the glue library, the pointer mlx5_glue is referencing the glue functions struct and is set after calling dlopen. If compiling with -fno-common (default in GCC 10), the variable must be declared as extern to avoid multiple re-definitions. In case the glue layer is split in glue library, the variable mlx5_glue needs to have its own storage for the rest of the PMD. Cc: stable@dpdk.org Signed-off-by: Thomas Monjalon Acked-by: Matan Azrad --- drivers/common/mlx5/mlx5_common.c | 3 +++ drivers/common/mlx5/mlx5_glue.h | 2 +- 2 files changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/common/mlx5/mlx5_common.c b/drivers/common/mlx5/mlx5_common.c index 9a30e6e0aa..98a82c262f 100644 --- a/drivers/common/mlx5/mlx5_common.c +++ b/drivers/common/mlx5/mlx5_common.c @@ -18,6 +18,9 @@ int mlx5_common_logtype; +#ifdef MLX5_GLUE +const struct mlx5_glue *mlx5_glue; +#endif /** * Get PCI information by sysfs device path. diff --git a/drivers/common/mlx5/mlx5_glue.h b/drivers/common/mlx5/mlx5_glue.h index 6238b43946..29678623e4 100644 --- a/drivers/common/mlx5/mlx5_glue.h +++ b/drivers/common/mlx5/mlx5_glue.h @@ -300,6 +300,6 @@ struct mlx5_glue { size_t event_resp_len); }; -const struct mlx5_glue *mlx5_glue; +extern const struct mlx5_glue *mlx5_glue; #endif /* MLX5_GLUE_H_ */ From patchwork Tue Apr 7 23:06:47 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thomas Monjalon X-Patchwork-Id: 67920 Return-Path: X-Original-To: patchwork@inbox.dpdk.org Delivered-To: patchwork@inbox.dpdk.org Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id 41F02A0588; Wed, 8 Apr 2020 01:07:20 +0200 (CEST) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 4A6481C068; Wed, 8 Apr 2020 01:06:59 +0200 (CEST) Received: from out5-smtp.messagingengine.com (out5-smtp.messagingengine.com [66.111.4.29]) by dpdk.org (Postfix) with ESMTP id 8EE631C042; Wed, 8 Apr 2020 01:06:57 +0200 (CEST) Received: from compute7.internal (compute7.nyi.internal [10.202.2.47]) by mailout.nyi.internal (Postfix) with ESMTP id 43C755C0195; Tue, 7 Apr 2020 19:06:57 -0400 (EDT) Received: from mailfrontend2 ([10.202.2.163]) by compute7.internal (MEProxy); Tue, 07 Apr 2020 19:06:57 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=monjalon.net; h= from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; s=mesmtp; bh=jfp74W63lk aZMLVqxHo7NW144BbizGwH55IBTdCSyi0=; b=KisXJJkwugmRR8bxotuqbt/9t7 OcRK7hhNSjlEvvyW9kKQvNyVrZ3x342zcx75H9iJ45RsNFqxwTr7y0KYzy/pZQqd FIvwWhTzZEnx8TFUK/Bj00GBAyu4k4nYhXzSYxF7hvQKFsROdXkYqCJMn1S8sJx4 7+nQG/zRO4doTZWig= DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-transfer-encoding:date:from :in-reply-to:message-id:mime-version:references:subject:to :x-me-proxy:x-me-proxy:x-me-sender:x-me-sender:x-sasl-enc; s= fm2; bh=jfp74W63lkaZMLVqxHo7NW144BbizGwH55IBTdCSyi0=; b=k5wbM5DR fMOSJzCNsxZHX+Jr0aZUbEI0gIBgeDcypXTUPIEn+zNDreLZFWOx9ofBZjETA7us ZHexMt5yUWCB280/PZuoIfizlVr/hQ3eqY1awRw3cN8bh+n5Sj0DVDAftkuEsh5G dkBAkmTDhogf1UHuCfS4o5NUwFGznWoB30I4Flu1/IKxBOu4qb5gJch8z+ROqR+I MthDrAtneGXK1oVMiufQRZz5KN/aYN0KyPXTU/8R7vtMEWEMTrRa8R8btpO9qaoR UPt3kerkKgEuBGJBTFfnd4EzH8Al1kkD20RVF/ZoqLe826WHw/e2m0w2OWpGNMJG 0cDAL6QBSQQGwA== X-ME-Sender: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgeduhedrudeigddujecutefuodetggdotefrodftvf curfhrohhfihhlvgemucfhrghsthforghilhdpqfgfvfdpuffrtefokffrpgfnqfghnecu uegrihhlohhuthemuceftddtnecusecvtfgvtghiphhivghnthhsucdlqddutddtmdenuc fjughrpefhvffufffkofgjfhgggfestdekredtredttdenucfhrhhomhepvfhhohhmrghs ucfoohhnjhgrlhhonhcuoehthhhomhgrshesmhhonhhjrghlohhnrdhnvghtqeenucfkph epjeejrddufeegrddvtdefrddukeegnecuvehluhhsthgvrhfuihiivgepvdenucfrrghr rghmpehmrghilhhfrhhomhepthhhohhmrghssehmohhnjhgrlhhonhdrnhgvth X-ME-Proxy: Received: from xps.monjalon.net (184.203.134.77.rev.sfr.net [77.134.203.184]) by mail.messagingengine.com (Postfix) with ESMTPA id 7B8E9306D60D; Tue, 7 Apr 2020 19:06:56 -0400 (EDT) From: Thomas Monjalon To: dev@dpdk.org Cc: stable@dpdk.org, Matan Azrad , Shahaf Shuler Date: Wed, 8 Apr 2020 01:06:47 +0200 Message-Id: <20200407230647.59478-4-thomas@monjalon.net> X-Mailer: git-send-email 2.26.0 In-Reply-To: <20200407230647.59478-1-thomas@monjalon.net> References: <20200210103216.1168439-1-thomas@monjalon.net> <20200407230647.59478-1-thomas@monjalon.net> MIME-Version: 1.0 Subject: [dpdk-dev] [PATCH v2 3/3] net/mlx4: fix build with -fno-common 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" The variable storages of the same name are merged together if compiled with -fcommon. This is the default. This default behaviour allows to declare a variable in a header file and share the variable in every .o binaries thanks to merge at link-time. In the case of dlopen linking of the glue library, the pointer mlx4_glue is referencing the glue functions struct and is set after calling dlopen. If compiling with -fno-common (default in GCC 10), the variables must be declared as extern to avoid multiple re-definitions. In case the glue layer is split in glue library, the variable mlx4_glue needs to have its own storage for the rest of the PMD. Cc: stable@dpdk.org Signed-off-by: Thomas Monjalon Acked-by: Matan Azrad --- drivers/net/mlx4/mlx4.c | 4 ++++ drivers/net/mlx4/mlx4_glue.h | 2 +- drivers/net/mlx4/mlx4_rxtx.h | 2 +- 3 files changed, 6 insertions(+), 2 deletions(-) diff --git a/drivers/net/mlx4/mlx4.c b/drivers/net/mlx4/mlx4.c index 339a4d3ab6..ee15f28dff 100644 --- a/drivers/net/mlx4/mlx4.c +++ b/drivers/net/mlx4/mlx4.c @@ -49,6 +49,10 @@ #include "mlx4_rxtx.h" #include "mlx4_utils.h" +#ifdef MLX4_GLUE +const struct mlx4_glue *mlx4_glue; +#endif + static const char *MZ_MLX4_PMD_SHARED_DATA = "mlx4_pmd_shared_data"; /* Shared memory between primary and secondary processes. */ diff --git a/drivers/net/mlx4/mlx4_glue.h b/drivers/net/mlx4/mlx4_glue.h index 668ca86700..5d9e985495 100644 --- a/drivers/net/mlx4/mlx4_glue.h +++ b/drivers/net/mlx4/mlx4_glue.h @@ -84,6 +84,6 @@ struct mlx4_glue { void *attr); }; -const struct mlx4_glue *mlx4_glue; +extern const struct mlx4_glue *mlx4_glue; #endif /* MLX4_GLUE_H_ */ diff --git a/drivers/net/mlx4/mlx4_rxtx.h b/drivers/net/mlx4/mlx4_rxtx.h index 8baf33fa94..9de6c59411 100644 --- a/drivers/net/mlx4/mlx4_rxtx.h +++ b/drivers/net/mlx4/mlx4_rxtx.h @@ -124,7 +124,7 @@ struct txq { /* mlx4_rxq.c */ -uint8_t mlx4_rss_hash_key_default[MLX4_RSS_HASH_KEY_SIZE]; +extern uint8_t mlx4_rss_hash_key_default[MLX4_RSS_HASH_KEY_SIZE]; int mlx4_rss_init(struct mlx4_priv *priv); void mlx4_rss_deinit(struct mlx4_priv *priv); struct mlx4_rss *mlx4_rss_get(struct mlx4_priv *priv, uint64_t fields,