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 7D3A119066C; Tue, 10 Sep 2024 10:03:32 +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=1725962612; cv=none; b=Z9FA8tedzLSsljCd/vkUiv21YSPizQdVwhPkfgZbfGqek0dJRT2k7JGa3mN35jcZAf4GLJ70Ckae/jqnJgHbqOuNsLjyaBd5/JY8srNp76Oor23dmjxu4dtIGO7EPGbfy9NNeLYsZ6MxTRU1KrxzWbH9Jq2dVK10mxXGHvQGWSs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725962612; c=relaxed/simple; bh=fVsWifwhvbNhVtKhlFkwtBI5zTcWYXpDDnyNPFMJ/80=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=EKwtFEFkxj1moYwIIosnAoiWJSCFp//dNTARYd+76N3BN6F0Sy28YFaeZqQrmKjbWqOGEpdHvX3d5v96ig7pWg47OafJtPDbqt7bz6TE3jR4cKt6AHvhGL4xZZX2C1f/8mUcgeMiXFSd6ReUv3OKQZ8m0pU/SSY85QOR32Uz+48= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=cN4LkHCp; 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="cN4LkHCp" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 028FEC4CEC3; Tue, 10 Sep 2024 10:03:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1725962612; bh=fVsWifwhvbNhVtKhlFkwtBI5zTcWYXpDDnyNPFMJ/80=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=cN4LkHCpPkVN2yM7LMDBzc/AIzQnIemsIiwRjllMGPBRDdn64SjdGoSmoYnLsYNvo e5zcEHP6Wie7dJ+X7dNqR+/t+iI7JrmCksFItgv7Ybr+NCGxNXCNftHUS6Y+866psu GAHEVhnfiDqmtq00lQR8w9sQ2dbdRzdbj4YpNrRQ= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Nikolay Aleksandrov , "David S. Miller" , Sasha Levin Subject: [PATCH 5.4 065/121] net: bridge: fdb: convert added_by_user to bitops Date: Tue, 10 Sep 2024 11:32:20 +0200 Message-ID: <20240910092548.945785594@linuxfoundation.org> X-Mailer: git-send-email 2.46.0 In-Reply-To: <20240910092545.737864202@linuxfoundation.org> References: <20240910092545.737864202@linuxfoundation.org> User-Agent: quilt/0.67 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 5.4-stable review patch. If anyone has any objections, please let me know. ------------------ From: Nikolay Aleksandrov [ Upstream commit ac3ca6af443aa495c7907e5010ac77fbd2450eaa ] Straight-forward convert of the added_by_user field to bitops. Signed-off-by: Nikolay Aleksandrov Signed-off-by: David S. Miller Stable-dep-of: bee2ef946d31 ("net: bridge: br_fdb_external_learn_add(): always set EXT_LEARN") Signed-off-by: Sasha Levin --- net/bridge/br_fdb.c | 25 ++++++++++++------------- net/bridge/br_private.h | 4 ++-- net/bridge/br_switchdev.c | 6 ++++-- 3 files changed, 18 insertions(+), 17 deletions(-) diff --git a/net/bridge/br_fdb.c b/net/bridge/br_fdb.c index 3645c1172b50..6f00cca4afc8 100644 --- a/net/bridge/br_fdb.c +++ b/net/bridge/br_fdb.c @@ -225,7 +225,7 @@ static void fdb_delete_local(struct net_bridge *br, if (op != p && ether_addr_equal(op->dev->dev_addr, addr) && (!vid || br_vlan_find(vg, vid))) { f->dst = op; - f->added_by_user = 0; + clear_bit(BR_FDB_ADDED_BY_USER, &f->flags); return; } } @@ -236,7 +236,7 @@ static void fdb_delete_local(struct net_bridge *br, if (p && ether_addr_equal(br->dev->dev_addr, addr) && (!vid || (v && br_vlan_should_use(v)))) { f->dst = NULL; - f->added_by_user = 0; + clear_bit(BR_FDB_ADDED_BY_USER, &f->flags); return; } @@ -252,7 +252,7 @@ void br_fdb_find_delete_local(struct net_bridge *br, spin_lock_bh(&br->hash_lock); f = br_fdb_find(br, addr, vid); if (f && test_bit(BR_FDB_LOCAL, &f->flags) && - !f->added_by_user && f->dst == p) + !test_bit(BR_FDB_ADDED_BY_USER, &f->flags) && f->dst == p) fdb_delete_local(br, p, f); spin_unlock_bh(&br->hash_lock); } @@ -268,7 +268,7 @@ void br_fdb_changeaddr(struct net_bridge_port *p, const unsigned char *newaddr) vg = nbp_vlan_group(p); hlist_for_each_entry(f, &br->fdb_list, fdb_node) { if (f->dst == p && test_bit(BR_FDB_LOCAL, &f->flags) && - !f->added_by_user) { + !test_bit(BR_FDB_ADDED_BY_USER, &f->flags)) { /* delete old one */ fdb_delete_local(br, p, f); @@ -310,7 +310,7 @@ void br_fdb_change_mac_address(struct net_bridge *br, const u8 *newaddr) /* If old entry was unassociated with any port, then delete it. */ f = br_fdb_find(br, br->dev->dev_addr, 0); if (f && test_bit(BR_FDB_LOCAL, &f->flags) && - !f->dst && !f->added_by_user) + !f->dst && !test_bit(BR_FDB_ADDED_BY_USER, &f->flags)) fdb_delete_local(br, NULL, f); fdb_insert(br, NULL, newaddr, 0); @@ -326,7 +326,7 @@ void br_fdb_change_mac_address(struct net_bridge *br, const u8 *newaddr) continue; f = br_fdb_find(br, br->dev->dev_addr, v->vid); if (f && test_bit(BR_FDB_LOCAL, &f->flags) && - !f->dst && !f->added_by_user) + !f->dst && !test_bit(BR_FDB_ADDED_BY_USER, &f->flags)) fdb_delete_local(br, NULL, f); fdb_insert(br, NULL, newaddr, v->vid); } @@ -506,7 +506,6 @@ static struct net_bridge_fdb_entry *fdb_create(struct net_bridge *br, set_bit(BR_FDB_LOCAL, &fdb->flags); if (is_static) set_bit(BR_FDB_STATIC, &fdb->flags); - fdb->added_by_user = 0; fdb->added_by_external_learn = 0; fdb->offloaded = 0; fdb->updated = fdb->used = jiffies; @@ -600,7 +599,7 @@ void br_fdb_update(struct net_bridge *br, struct net_bridge_port *source, if (now != fdb->updated) fdb->updated = now; if (unlikely(added_by_user)) - fdb->added_by_user = 1; + set_bit(BR_FDB_ADDED_BY_USER, &fdb->flags); if (unlikely(fdb_modified)) { trace_br_fdb_update(br, source, addr, vid, added_by_user); fdb_notify(br, fdb, RTM_NEWNEIGH, true); @@ -611,7 +610,7 @@ void br_fdb_update(struct net_bridge *br, struct net_bridge_port *source, fdb = fdb_create(br, source, addr, vid, 0, 0); if (fdb) { if (unlikely(added_by_user)) - fdb->added_by_user = 1; + set_bit(BR_FDB_ADDED_BY_USER, &fdb->flags); trace_br_fdb_update(br, source, addr, vid, added_by_user); fdb_notify(br, fdb, RTM_NEWNEIGH, true); @@ -871,7 +870,7 @@ static int fdb_add_entry(struct net_bridge *br, struct net_bridge_port *source, modified = true; } - fdb->added_by_user = 1; + set_bit(BR_FDB_ADDED_BY_USER, &fdb->flags); fdb->used = jiffies; if (modified) { @@ -1129,7 +1128,7 @@ int br_fdb_external_learn_add(struct net_bridge *br, struct net_bridge_port *p, goto err_unlock; } if (swdev_notify) - fdb->added_by_user = 1; + set_bit(BR_FDB_ADDED_BY_USER, &fdb->flags); fdb->added_by_external_learn = 1; fdb_notify(br, fdb, RTM_NEWNEIGH, swdev_notify); } else { @@ -1143,14 +1142,14 @@ int br_fdb_external_learn_add(struct net_bridge *br, struct net_bridge_port *p, if (fdb->added_by_external_learn) { /* Refresh entry */ fdb->used = jiffies; - } else if (!fdb->added_by_user) { + } else if (!test_bit(BR_FDB_ADDED_BY_USER, &fdb->flags)) { /* Take over SW learned entry */ fdb->added_by_external_learn = 1; modified = true; } if (swdev_notify) - fdb->added_by_user = 1; + set_bit(BR_FDB_ADDED_BY_USER, &fdb->flags); if (modified) fdb_notify(br, fdb, RTM_NEWNEIGH, swdev_notify); diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h index b495778911a2..a439e0cfc686 100644 --- a/net/bridge/br_private.h +++ b/net/bridge/br_private.h @@ -177,6 +177,7 @@ enum { BR_FDB_LOCAL, BR_FDB_STATIC, BR_FDB_STICKY, + BR_FDB_ADDED_BY_USER, }; struct net_bridge_fdb_key { @@ -191,8 +192,7 @@ struct net_bridge_fdb_entry { struct net_bridge_fdb_key key; struct hlist_node fdb_node; unsigned long flags; - unsigned char added_by_user:1, - added_by_external_learn:1, + unsigned char added_by_external_learn:1, offloaded:1; /* write-heavy members should not affect lookups */ diff --git a/net/bridge/br_switchdev.c b/net/bridge/br_switchdev.c index 921310d3cbae..5010fbf74778 100644 --- a/net/bridge/br_switchdev.c +++ b/net/bridge/br_switchdev.c @@ -129,14 +129,16 @@ br_switchdev_fdb_notify(const struct net_bridge_fdb_entry *fdb, int type) br_switchdev_fdb_call_notifiers(false, fdb->key.addr.addr, fdb->key.vlan_id, fdb->dst->dev, - fdb->added_by_user, + test_bit(BR_FDB_ADDED_BY_USER, + &fdb->flags), fdb->offloaded); break; case RTM_NEWNEIGH: br_switchdev_fdb_call_notifiers(true, fdb->key.addr.addr, fdb->key.vlan_id, fdb->dst->dev, - fdb->added_by_user, + test_bit(BR_FDB_ADDED_BY_USER, + &fdb->flags), fdb->offloaded); break; } -- 2.43.0