From patchwork Wed Dec 27 07:42:57 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ganesh Goudar X-Patchwork-Id: 853077 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=netdev-owner@vger.kernel.org; receiver=) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 3z64b34TjQz9sxR for ; Wed, 27 Dec 2017 18:43:11 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750930AbdL0HnC (ORCPT ); Wed, 27 Dec 2017 02:43:02 -0500 Received: from stargate.chelsio.com ([12.32.117.8]:42222 "EHLO stargate.chelsio.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750790AbdL0HnB (ORCPT ); Wed, 27 Dec 2017 02:43:01 -0500 Received: from localhost (victim.blr.asicdesigners.com [10.193.185.129]) by stargate.chelsio.com (8.13.8/8.13.8) with ESMTP id vBR7gujG005732; Tue, 26 Dec 2017 23:42:57 -0800 From: Ganesh Goudar To: netdev@vger.kernel.org, davem@davemloft.net Cc: nirranjan@chelsio.com, indranil@chelsio.com, venkatesh@chelsio.com, Ganesh Goudar , Kumar Sanghvi Subject: [PATCH net-next] cxgb4: use CLIP with LIP6 on T6 for TCAM filters Date: Wed, 27 Dec 2017 13:12:57 +0530 Message-Id: <1514360577-28836-1-git-send-email-ganeshgr@chelsio.com> X-Mailer: git-send-email 2.1.0 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On T6, LIP compression is always enabled for IPv6 and uncompressed IPv6 for LIP is not supported. So, for IPv6 TCAM filters on T6, add LIP6 to CLIP on filter creation, and release the same on filter deletion. Signed-off-by: Kumar Sanghvi Signed-off-by: Ganesh Goudar --- drivers/net/ethernet/chelsio/cxgb4/cxgb4_filter.c | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-) diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_filter.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_filter.c index 5980f30..6829de9 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_filter.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_filter.c @@ -694,7 +694,7 @@ void clear_filter(struct adapter *adap, struct filter_entry *f) if (f->smt) cxgb4_smt_release(f->smt); - if (f->fs.hash && f->fs.type) + if ((f->fs.hash || is_t6(adap->params.chip)) && f->fs.type) cxgb4_clip_release(f->dev, (const u32 *)&f->fs.val.lip, 1); /* The zeroing of the filter rule below clears the filter valid, @@ -1291,6 +1291,16 @@ int __cxgb4_set_filter(struct net_device *dev, int filter_id, if (f->valid) clear_filter(adapter, f); + if (is_t6(adapter->params.chip) && fs->type && + ipv6_addr_type((const struct in6_addr *)fs->val.lip) != + IPV6_ADDR_ANY) { + ret = cxgb4_clip_get(dev, (const u32 *)&fs->val.lip, 1); + if (ret) { + cxgb4_clear_ftid(&adapter->tids, filter_id, PF_INET6); + return ret; + } + } + /* Convert the filter specification into our internal format. * We copy the PF/VF specification into the Outer VLAN field * here so the rest of the code -- including the interface to