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 2787D3BFE43; Thu, 15 Jan 2026 17:30:44 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768498244; cv=none; b=tsMcy8KQSYmwM0peehMKeH/lxtn/nzweqRo/skRp7BPTrODlj3pJhgiB/U/j3nhHdvYSz88toRkFoqVbS40NRV/LCJyr90weV95p9tZ8K6hGx4uF8XKI+LFQtpaDs3SLGjcMKwP6FI7FS7dOlSqMvzcxRcB/02adMwxlOy5Ul4g= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768498244; c=relaxed/simple; bh=ZDVP3Sp3LVi5oBtCP9ItiaHneJVqGghyeECTbqRKSb4=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=IW3JBCLEc6jwOY9jnQV3t9eg2p9FF9FnS1WM71Q72FYpkiRg7yK99UgqUi5U52Vrs9yFCITqf8vwZGmjYnMpmmAI9ygwE63DmgdAmAU9abn/e4WhibXbY1GqO8M9YQk9I28DqhaPQgzfbmRbQKps+7oNim027/vMi4/NppLNqFQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=hKe/3LzE; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="hKe/3LzE" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 80569C116D0; Thu, 15 Jan 2026 17:30:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1768498243; bh=ZDVP3Sp3LVi5oBtCP9ItiaHneJVqGghyeECTbqRKSb4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=hKe/3LzEgp4kuqVYYvqpmliGlNhTVbFzyzv4F2ytVUktM/XfYZqbsxbmhKSPnHio1 g2SIm/7WfORSLzitNtiQZdBRqm4xet+5FhfS+EvAh1s5Q0lFm14NSh86VwsidIQwHI GqEHoC3htYadWkBYVqeQG/J9HueCjZME/QOALV+8= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Alok Tiwari , Kalesh AP , Leon Romanovsky , Sasha Levin Subject: [PATCH 5.15 364/554] RDMA/bnxt_re: Fix IB_SEND_IP_CSUM handling in post_send Date: Thu, 15 Jan 2026 17:47:10 +0100 Message-ID: <20260115164259.403107984@linuxfoundation.org> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20260115164246.225995385@linuxfoundation.org> References: <20260115164246.225995385@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 5.15-stable review patch. If anyone has any objections, please let me know. ------------------ From: Alok Tiwari [ Upstream commit f01765a2361323e78e3d91b1cb1d5527a83c5cf7 ] The bnxt_re SEND path checks wr->send_flags to enable features such as IP checksum offload. However, send_flags is a bitmask and may contain multiple flags (e.g. IB_SEND_SIGNALED | IB_SEND_IP_CSUM), while the existing code uses a switch() statement that only matches when send_flags is exactly IB_SEND_IP_CSUM. As a result, checksum offload is not enabled when additional SEND flags are present. Replace the switch() with a bitmask test: if (wr->send_flags & IB_SEND_IP_CSUM) This ensures IP checksum offload is enabled correctly when multiple SEND flags are used. Fixes: 1ac5a4047975 ("RDMA/bnxt_re: Add bnxt_re RoCE driver") Signed-off-by: Alok Tiwari Link: https://patch.msgid.link/20251219093308.2415620-1-alok.a.tiwari@oracle.com Reviewed-by: Kalesh AP Signed-off-by: Leon Romanovsky Signed-off-by: Sasha Levin --- drivers/infiniband/hw/bnxt_re/ib_verbs.c | 7 +------ 1 file changed, 1 insertion(+), 6 deletions(-) diff --git a/drivers/infiniband/hw/bnxt_re/ib_verbs.c b/drivers/infiniband/hw/bnxt_re/ib_verbs.c index cb733fc497c8..83bc013c8f79 100644 --- a/drivers/infiniband/hw/bnxt_re/ib_verbs.c +++ b/drivers/infiniband/hw/bnxt_re/ib_verbs.c @@ -2644,14 +2644,9 @@ int bnxt_re_post_send(struct ib_qp *ib_qp, const struct ib_send_wr *wr, wqe.rawqp1.lflags |= SQ_SEND_RAWETH_QP1_LFLAGS_ROCE_CRC; } - switch (wr->send_flags) { - case IB_SEND_IP_CSUM: + if (wr->send_flags & IB_SEND_IP_CSUM) wqe.rawqp1.lflags |= SQ_SEND_RAWETH_QP1_LFLAGS_IP_CHKSUM; - break; - default: - break; - } fallthrough; case IB_WR_SEND_WITH_INV: rc = bnxt_re_build_send_wqe(qp, wr, &wqe); -- 2.51.0