From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wang Xiao W Subject: [PATCH 02/16] fm10k: add no-op pointer for VF request_tx_timestamp_mode Date: Mon, 27 Jul 2015 16:42:25 +0800 Message-ID: <1437986559-31016-2-git-send-email-xiao.w.wang@intel.com> References: <1437986559-31016-1-git-send-email-xiao.w.wang@intel.com> Cc: Wang Xiao W To: dev@dpdk.org Return-path: Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by dpdk.org (Postfix) with ESMTP id 6F7AAC44C for ; Mon, 27 Jul 2015 10:42:53 +0200 (CEST) In-Reply-To: <1437986559-31016-1-git-send-email-xiao.w.wang@intel.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" This patch resolves a bug in Linux where we called the request_tx_timestamp_mode function that is undefined for VF. Implement a no-op function that simply ensures that the mode is NONE, otherwise it would fail with ERR_PARAM. Signed-off-by: Wang Xiao W --- drivers/net/fm10k/base/fm10k_vf.c | 23 ++++++++++++++++++++++- 1 file changed, 22 insertions(+), 1 deletion(-) diff --git a/drivers/net/fm10k/base/fm10k_vf.c b/drivers/net/fm10k/base/fm10k_vf.c index 2246688..76be9ab 100644 --- a/drivers/net/fm10k/base/fm10k_vf.c +++ b/drivers/net/fm10k/base/fm10k_vf.c @@ -546,6 +546,26 @@ STATIC s32 fm10k_configure_dglort_map_vf(struct fm10k_hw *hw, } /** + * fm10k_request_tx_timestamp_mode_vf - Request Tx timestamp mode + * @hw: pointer to hardware structure + * @glort: glort to request Tx timestamps for + * @mode: timestamp mode to request + * + * This function takes the requested timestamp mode and verifies that it was + * requested as none since the VF cannot support receipt of Tx timestamps. + * + * If the mode is non-zero ERR_PARAM, else success + **/ +STATIC s32 fm10k_request_tx_timestamp_mode_vf(struct fm10k_hw *hw, + u16 glort, + u8 mode) +{ + UNREFERENCED_2PARAMETER(hw, glort); + + return mode ? FM10K_ERR_PARAM : FM10K_SUCCESS; +} + +/** * fm10k_adjust_systime_vf - Adjust systime frequency * @hw: pointer to hardware structure * @ppb: adjustment rate in parts per billion @@ -633,7 +653,8 @@ s32 fm10k_init_ops_vf(struct fm10k_hw *hw) mac->ops.configure_dglort_map = &fm10k_configure_dglort_map_vf; mac->ops.get_host_state = &fm10k_get_host_state_generic; mac->ops.adjust_systime = &fm10k_adjust_systime_vf; - mac->ops.read_systime = &fm10k_read_systime_vf, + mac->ops.read_systime = &fm10k_read_systime_vf; + mac->ops.request_tx_timestamp_mode = &fm10k_request_tx_timestamp_mode_vf; mac->max_msix_vectors = fm10k_get_pcie_msix_count_generic(hw); -- 1.9.3