From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=blackwall-org.20210112.gappssmtp.com; s=20210112; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=G4Lf3IeHTYSBP2jBlrEzBtLYrCtWftbohLvXAydSyEo=; b=S5NtrlUiP9am+mfWWs0tdCtoJF8LvNMfNHuBR0cH25+Xpn3ZnLgDT87648YbKHJ1/i 0w0gru0NSrKVP38xmgX+es38tXRq1lmxRK/A7qXb9LaBBrcmt0gakCd3bfwwL1CvUUWT abEqtMI0job1tDc+M8I/C3ZpW8mK5ejPKawnfxxQEZwg1lmITGg16vsJGeF3JRx8W6fX PjQCCBVPSeTF8tmwS2uhHXNRfPOSAjlJI8F9Lh2YeKfwvFOlro59hJSoikLGiHJqaPA+ HXfFFQPlSRLnHhEXB0856jTQwYzGKOBnCGyPGG/PLJkO9BzzsEd79CvZGhROfPjo6LIR Z4lw== From: Nikolay Aleksandrov Date: Mon, 11 Apr 2022 20:29:27 +0300 Message-Id: <20220411172934.1813604-2-razor@blackwall.org> In-Reply-To: <20220411172934.1813604-1-razor@blackwall.org> References: <20220411172934.1813604-1-razor@blackwall.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: [Bridge] [PATCH net-next v2 1/8] net: rtnetlink: add RTM_FLUSHNEIGH List-Id: Linux Ethernet Bridging List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: netdev@vger.kernel.org Cc: Nikolay Aleksandrov , bridge@lists.linux-foundation.org, idosch@idosch.org, roopa@nvidia.com, kuba@kernel.org, davem@davemloft.net Add a new rtnetlink type used to flush neigh objects. It will be initially used to add flush with filtering support for bridge fdbs, but it also opens the door to add similar support to others (e.g. vxlan). Signed-off-by: Nikolay Aleksandrov --- include/uapi/linux/rtnetlink.h | 3 +++ security/selinux/nlmsgtab.c | 3 ++- 2 files changed, 5 insertions(+), 1 deletion(-) diff --git a/include/uapi/linux/rtnetlink.h b/include/uapi/linux/rtnetlink.h index 83849a37db5b..06001cfd404b 100644 --- a/include/uapi/linux/rtnetlink.h +++ b/include/uapi/linux/rtnetlink.h @@ -194,6 +194,9 @@ enum { RTM_GETTUNNEL, #define RTM_GETTUNNEL RTM_GETTUNNEL + RTM_FLUSHNEIGH = 124, +#define RTM_FLUSHNEIGH RTM_FLUSHNEIGH + __RTM_MAX, #define RTM_MAX (((__RTM_MAX + 3) & ~3) - 1) }; diff --git a/security/selinux/nlmsgtab.c b/security/selinux/nlmsgtab.c index d8ceee9e0d6f..ff53aea8790f 100644 --- a/security/selinux/nlmsgtab.c +++ b/security/selinux/nlmsgtab.c @@ -95,6 +95,7 @@ static const struct nlmsg_perm nlmsg_route_perms[] = { RTM_NEWTUNNEL, NETLINK_ROUTE_SOCKET__NLMSG_WRITE }, { RTM_DELTUNNEL, NETLINK_ROUTE_SOCKET__NLMSG_WRITE }, { RTM_GETTUNNEL, NETLINK_ROUTE_SOCKET__NLMSG_READ }, + { RTM_FLUSHNEIGH, NETLINK_ROUTE_SOCKET__NLMSG_WRITE }, }; static const struct nlmsg_perm nlmsg_tcpdiag_perms[] = @@ -180,7 +181,7 @@ int selinux_nlmsg_lookup(u16 sclass, u16 nlmsg_type, u32 *perm) * structures at the top of this file with the new mappings * before updating the BUILD_BUG_ON() macro! */ - BUILD_BUG_ON(RTM_MAX != (RTM_NEWTUNNEL + 3)); + BUILD_BUG_ON(RTM_MAX != (RTM_FLUSHNEIGH + 3)); err = nlmsg_perm(nlmsg_type, perm, nlmsg_route_perms, sizeof(nlmsg_route_perms)); break; -- 2.35.1