From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A62E7C43613 for ; Mon, 24 Jun 2019 17:36:22 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 83AF020663 for ; Mon, 24 Jun 2019 17:36:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732530AbfFXRgV (ORCPT ); Mon, 24 Jun 2019 13:36:21 -0400 Received: from stargate.chelsio.com ([12.32.117.8]:7422 "EHLO stargate.chelsio.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732521AbfFXRgU (ORCPT ); Mon, 24 Jun 2019 13:36:20 -0400 Received: from localhost ([10.193.185.238]) by stargate.chelsio.com (8.13.8/8.13.8) with ESMTP id x5OHaGRt014336; Mon, 24 Jun 2019 10:36:17 -0700 From: Raju Rangoju To: netdev@vger.kernel.org, davem@davemloft.net Cc: nirranjan@chelsio.com, dt@chelsio.com, rajur@chelsio.com Subject: [PATCH v3 net-next 3/4] cxgb4: Add MPS TCAM refcounting for cxgb4 change mac Date: Mon, 24 Jun 2019 23:05:34 +0530 Message-Id: <20190624173535.12572-4-rajur@chelsio.com> X-Mailer: git-send-email 2.12.0 In-Reply-To: <20190624173535.12572-1-rajur@chelsio.com> References: <20190624173535.12572-1-rajur@chelsio.com> Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org This patch adds TCAM reference counting support for cxgb4 change mac path Signed-off-by: Raju Rangoju --- drivers/net/ethernet/chelsio/cxgb4/cxgb4.h | 7 +++++++ drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c | 14 +++++++------- drivers/net/ethernet/chelsio/cxgb4/cxgb4_mps.c | 15 +++++++++++++++ 3 files changed, 29 insertions(+), 7 deletions(-) diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h b/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h index c7ab57fd03be..6260240743d5 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h @@ -1911,6 +1911,10 @@ int cxgb4_set_msix_aff(struct adapter *adap, unsigned short vec, cpumask_var_t *aff_mask, int idx); void cxgb4_clear_msix_aff(unsigned short vec, cpumask_var_t aff_mask); +int cxgb4_change_mac(struct port_info *pi, unsigned int viid, + int *tcam_idx, const u8 *addr, + bool persistent, u8 *smt_idx); + int cxgb4_init_mps_ref_entries(struct adapter *adap); void cxgb4_free_mps_ref_entries(struct adapter *adap); int cxgb4_alloc_encap_mac_filt(struct adapter *adap, unsigned int viid, @@ -1935,5 +1939,8 @@ int cxgb4_alloc_raw_mac_filt(struct adapter *adap, u8 lookup_type, u8 port_id, bool sleep_ok); +int cxgb4_update_mac_filt(struct port_info *pi, unsigned int viid, + int *tcam_idx, const u8 *addr, + bool persistent, u8 *smt_idx); #endif /* __CXGB4_H__ */ diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c index 4632827f05ba..1520e5294289 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c @@ -449,9 +449,9 @@ static int set_rxmode(struct net_device *dev, int mtu, bool sleep_ok) * Addresses are programmed to hash region, if tcam runs out of entries. * */ -static int cxgb4_change_mac(struct port_info *pi, unsigned int viid, - int *tcam_idx, const u8 *addr, bool persist, - u8 *smt_idx) +int cxgb4_change_mac(struct port_info *pi, unsigned int viid, + int *tcam_idx, const u8 *addr, bool persist, + u8 *smt_idx) { struct adapter *adapter = pi->adapter; struct hash_mac_addr *entry, *new_entry; @@ -505,8 +505,8 @@ static int link_start(struct net_device *dev) ret = t4_set_rxmode(pi->adapter, mb, pi->viid, dev->mtu, -1, -1, -1, !!(dev->features & NETIF_F_HW_VLAN_CTAG_RX), true); if (ret == 0) - ret = cxgb4_change_mac(pi, pi->viid, &pi->xact_addr_filt, - dev->dev_addr, true, &pi->smt_idx); + ret = cxgb4_update_mac_filt(pi, pi->viid, &pi->xact_addr_filt, + dev->dev_addr, true, &pi->smt_idx); if (ret == 0) ret = t4_link_l1cfg(pi->adapter, mb, pi->tx_chan, &pi->link_cfg); @@ -3020,8 +3020,8 @@ static int cxgb_set_mac_addr(struct net_device *dev, void *p) if (!is_valid_ether_addr(addr->sa_data)) return -EADDRNOTAVAIL; - ret = cxgb4_change_mac(pi, pi->viid, &pi->xact_addr_filt, - addr->sa_data, true, &pi->smt_idx); + ret = cxgb4_update_mac_filt(pi, pi->viid, &pi->xact_addr_filt, + addr->sa_data, true, &pi->smt_idx); if (ret < 0) return ret; diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_mps.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_mps.c index b942748c7dfa..067217c6ca05 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_mps.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_mps.c @@ -54,6 +54,21 @@ static int cxgb4_mps_ref_inc(struct adapter *adap, const u8 *mac_addr, return ret; } +int cxgb4_update_mac_filt(struct port_info *pi, unsigned int viid, + int *tcam_idx, const u8 *addr, + bool persistent, u8 *smt_idx) +{ + int ret; + + ret = cxgb4_change_mac(pi, viid, tcam_idx, + addr, persistent, smt_idx); + if (ret < 0) + return ret; + + cxgb4_mps_ref_inc(pi->adapter, addr, *tcam_idx, NULL); + return ret; +} + int cxgb4_free_raw_mac_filt(struct adapter *adap, unsigned int viid, const u8 *addr, -- 2.12.0