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[194.45.78.10]) by smtp.gmail.com with ESMTPSA id mm10-20020a170906cc4a00b00960005e09a3sm11160343ejb.61.2023.05.16.09.17.54 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 16 May 2023 09:17:55 -0700 (PDT) From: Jesper Dangaard Brouer X-Google-Original-From: Jesper Dangaard Brouer Message-ID: <47d535b9-a42a-3d5b-1ddd-8f58766e826b@redhat.com> Date: Tue, 16 May 2023 18:17:53 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.10.0 To: Stanislav Fomichev , Larysa Zaremba References: <20230512152607.992209-1-larysa.zaremba@intel.com> <20230512152607.992209-7-larysa.zaremba@intel.com> In-Reply-To: X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Language: en-US X-Mailman-Original-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1684253878; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=pTbzb7Ep8RynUGNflCJEtG2qlbhJbczpgr8r4KMw/zg=; b=HDSbi8xJfYjG6/DB/gz1/Cm0iDrtoGK+msQm8Sn8gIQYBkjEEbpgHYt/zMXpEYuBPcyKYc ARagLv0UC0HDL3dN+NkMwmZOX0BEknjsPeVBrYk7EioJ9se20puYjA0s1/3IO7UuK1eDWo BbVXQoSVeaKrr8SGgckQbUfC6jPEWls= X-Mailman-Original-Authentication-Results: smtp3.osuosl.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256 header.s=mimecast20190719 header.b=HDSbi8xJ Subject: Re: [Intel-wired-lan] [PATCH RESEND bpf-next 06/15] ice: Support HW timestamp hint X-BeenThere: intel-wired-lan@osuosl.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel Wired Ethernet Linux Kernel Driver Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Anatoly Burakov , Alexei Starovoitov , Andrii Nakryiko , Song Liu , Tony Nguyen , Maryam Tahhan , xdp-hints@xdp-project.net, Daniel Borkmann , John Fastabend , Jesse Brandeburg , intel-wired-lan@lists.osuosl.org, brouer@redhat.com, Yonghong Song , KP Singh , Jakub Kicinski , netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Jiri Olsa , bpf@vger.kernel.org, Martin KaFai Lau Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Errors-To: intel-wired-lan-bounces@osuosl.org Sender: "Intel-wired-lan" On 12/05/2023 20.19, Stanislav Fomichev wrote: >> diff --git a/drivers/net/ethernet/intel/ice/ice_txrx_lib.c b/drivers/net/ethernet/intel/ice/ice_txrx_lib.c >> index 2515f5f7a2b6..e9589cadf811 100644 >> --- a/drivers/net/ethernet/intel/ice/ice_txrx_lib.c >> +++ b/drivers/net/ethernet/intel/ice/ice_txrx_lib.c >> @@ -537,3 +537,25 @@ void ice_finalize_xdp_rx(struct ice_tx_ring *xdp_ring, unsigned int xdp_res, >> spin_unlock(&xdp_ring->tx_lock); >> } >> } >> + >> +/** >> + * ice_xdp_rx_hw_ts - HW timestamp XDP hint handler >> + * @ctx: XDP buff pointer >> + * @ts_ns: destination address >> + * >> + * Copy HW timestamp (if available) to the destination address. >> + */ >> +static int ice_xdp_rx_hw_ts(const struct xdp_md *ctx, u64 *ts_ns) >> +{ >> + const struct ice_xdp_buff *xdp_ext = (void *)ctx; >> + >> + if (!ice_ptp_copy_rx_hwts_from_desc(xdp_ext->rx_ring, >> + xdp_ext->eop_desc, ts_ns)) >> + return -EOPNOTSUPP; > Per Jesper's recent update, should this be ENODATA? > Yes, please :-) https://git.kernel.org/torvalds/c/915efd8a446b ("xdp: bpf_xdp_metadata use EOPNOTSUPP for no driver support") --Jesper _______________________________________________ Intel-wired-lan mailing list Intel-wired-lan@osuosl.org https://lists.osuosl.org/mailman/listinfo/intel-wired-lan