From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 04A426FBB for ; Tue, 10 Jan 2023 18:31:43 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 38509C433EF; Tue, 10 Jan 2023 18:31:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1673375503; bh=wmeA+/15IfbFAiwM0k0873nBRbGrRizZY/H1BrAIg2Y=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=AZ8aDMYv+8f/0Me27PM8/ojd3Rwij6biOnayndVgO5KhafpFQ7SPLVfd4wDLvgwF3 4/ezVS5XpU7Ua7Jvi43X74XMb/0zaoAdXLMD9/+HSfyKPNQtwqabfZ1iDAufRKkhxj GmZL3tgs7WQ19n/PVwF4DuvVsdL01G0XPQ40Kg+A= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Jian Shen , Hao Lan , Jakub Kicinski , Sasha Levin Subject: [PATCH 5.15 211/290] net: hns3: fix miss L3E checking for rx packet Date: Tue, 10 Jan 2023 19:05:03 +0100 Message-Id: <20230110180039.272769186@linuxfoundation.org> X-Mailer: git-send-email 2.39.0 In-Reply-To: <20230110180031.620810905@linuxfoundation.org> References: <20230110180031.620810905@linuxfoundation.org> User-Agent: quilt/0.67 Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: Jian Shen [ Upstream commit 7d89b53cea1a702f97117fb4361523519bb1e52c ] For device supports RXD advanced layout, the driver will return directly if the hardware finish the checksum calculate. It cause missing L3E checking for ip packets. Fixes it. Fixes: 1ddc028ac849 ("net: hns3: refactor out RX completion checksum") Signed-off-by: Jian Shen Signed-off-by: Hao Lan Signed-off-by: Jakub Kicinski Signed-off-by: Sasha Levin --- drivers/net/ethernet/hisilicon/hns3/hns3_enet.c | 10 ++++------ 1 file changed, 4 insertions(+), 6 deletions(-) diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c index d06e2d0bae2e..822193b0d709 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c @@ -3667,18 +3667,16 @@ static int hns3_gro_complete(struct sk_buff *skb, u32 l234info) return 0; } -static bool hns3_checksum_complete(struct hns3_enet_ring *ring, +static void hns3_checksum_complete(struct hns3_enet_ring *ring, struct sk_buff *skb, u32 ptype, u16 csum) { if (ptype == HNS3_INVALID_PTYPE || hns3_rx_ptype_tbl[ptype].ip_summed != CHECKSUM_COMPLETE) - return false; + return; hns3_ring_stats_update(ring, csum_complete); skb->ip_summed = CHECKSUM_COMPLETE; skb->csum = csum_unfold((__force __sum16)csum); - - return true; } static void hns3_rx_handle_csum(struct sk_buff *skb, u32 l234info, @@ -3738,8 +3736,7 @@ static void hns3_rx_checksum(struct hns3_enet_ring *ring, struct sk_buff *skb, ptype = hnae3_get_field(ol_info, HNS3_RXD_PTYPE_M, HNS3_RXD_PTYPE_S); - if (hns3_checksum_complete(ring, skb, ptype, csum)) - return; + hns3_checksum_complete(ring, skb, ptype, csum); /* check if hardware has done checksum */ if (!(bd_base_info & BIT(HNS3_RXD_L3L4P_B))) @@ -3748,6 +3745,7 @@ static void hns3_rx_checksum(struct hns3_enet_ring *ring, struct sk_buff *skb, if (unlikely(l234info & (BIT(HNS3_RXD_L3E_B) | BIT(HNS3_RXD_L4E_B) | BIT(HNS3_RXD_OL3E_B) | BIT(HNS3_RXD_OL4E_B)))) { + skb->ip_summed = CHECKSUM_NONE; hns3_ring_stats_update(ring, l3l4_csum_err); return; -- 2.35.1