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(87-243-81-1.ip.btc-net.bg. [87.243.81.1]) by smtp.gmail.com with ESMTPSA id o7-20020a50fd87000000b0042dc25fdf5bsm12161687edt.29.2022.06.08.05.30.41 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 08 Jun 2022 05:30:41 -0700 (PDT) From: Nikolay Aleksandrov To: netdev@vger.kernel.org Cc: dsahern@gmail.com, stephen@networkplumber.org, roopa@nvidia.com, Nikolay Aleksandrov Subject: [PATCH iproute2-next 07/10] bridge: fdb: add flush [no]added_by_user entry matching Date: Wed, 8 Jun 2022 15:29:18 +0300 Message-Id: <20220608122921.3962382-8-razor@blackwall.org> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220608122921.3962382-1-razor@blackwall.org> References: <20220608122921.3962382-1-razor@blackwall.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Add flush support to match entries with or without (if "no" is prepended) added_by_user flag. Note that NTF_USE is used internally because there is no NTF_ flag that describes such entries. Examples: $ bridge fdb flush dev br0 added_by_user This will delete all added_by_user entries in br0's fdb table. $ bridge fdb flush dev br0 noadded_by_user This will delete all entries except the ones with added_by_user flag in br0's fdb table. Signed-off-by: Nikolay Aleksandrov --- bridge/fdb.c | 13 ++++++++++++- man/man8/bridge.8 | 8 +++++++- 2 files changed, 19 insertions(+), 2 deletions(-) diff --git a/bridge/fdb.c b/bridge/fdb.c index 9c1899c167be..c57ad235b401 100644 --- a/bridge/fdb.c +++ b/bridge/fdb.c @@ -46,7 +46,8 @@ static void usage(void) " bridge fdb get [ to ] LLADDR [ br BRDEV ] { brport | dev } DEV\n" " [ vlan VID ] [ vni VNI ] [ self ] [ master ] [ dynamic ]\n" " bridge fdb flush dev DEV [ brport DEV ] [ vlan VID ]\n" - " [ self ] [ master ] [ [no]permanent | [no]static | [no]dynamic ]\n"); + " [ self ] [ master ] [ [no]permanent | [no]static | [no]dynamic ]\n" + " [ [no]added_by_user ]\n"); exit(-1); } @@ -681,6 +682,7 @@ static int fdb_flush(int argc, char **argv) .ndm.ndm_family = PF_BRIDGE, }; unsigned short ndm_state_mask = 0; + unsigned short ndm_flags_mask = 0; short vid = -1, port_ifidx = -1; unsigned short ndm_flags = 0; unsigned short ndm_state = 0; @@ -712,6 +714,12 @@ static int fdb_flush(int argc, char **argv) } else if (strcmp(*argv, "nodynamic") == 0) { ndm_state |= NUD_NOARP; ndm_state_mask |= NUD_NOARP; + } else if (strcmp(*argv, "added_by_user") == 0) { + ndm_flags |= NTF_USE; + ndm_flags_mask |= NTF_USE; + } else if (strcmp(*argv, "noadded_by_user") == 0) { + ndm_flags &= ~NTF_USE; + ndm_flags_mask |= NTF_USE; } else if (strcmp(*argv, "brport") == 0) { if (port) duparg2("brport", *argv); @@ -764,6 +772,9 @@ static int fdb_flush(int argc, char **argv) addattr32(&req.n, sizeof(req), NDA_IFINDEX, port_ifidx); if (vid > -1) addattr16(&req.n, sizeof(req), NDA_VLAN, vid); + if (ndm_flags_mask) + addattr8(&req.n, sizeof(req), NDA_NDM_FLAGS_MASK, + ndm_flags_mask); if (ndm_state_mask) addattr16(&req.n, sizeof(req), NDA_NDM_STATE_MASK, ndm_state_mask); diff --git a/man/man8/bridge.8 b/man/man8/bridge.8 index f4b3887a9144..b39c74823606 100644 --- a/man/man8/bridge.8 +++ b/man/man8/bridge.8 @@ -121,7 +121,8 @@ bridge \- show / manipulate bridge addresses and devices .B vlan .IR VID " ] [ " .BR self " ] [ " master " ] [ " -.BR [no]permanent " | " [no]static " | " [no]dynamic " ]" +.BR [no]permanent " | " [no]static " | " [no]dynamic " ] [ " +.BR [no]added_by_user " ]" .ti -8 .BR "bridge mdb" " { " add " | " del " } " @@ -843,6 +844,11 @@ is prepended then only non-static entries will be deleted. .B [no]dynamic if specified then only dynamic entries will be deleted or respectively if "no" is prepended then only non-dynamic (static or permanent) entries will be deleted. + +.TP +.B [no]added_by_user +if specified then only entries with added_by_user flag will be deleted or respectively +if "no" is prepended then only entries without added_by_user flag will be deleted. .sp .SH bridge mdb - multicast group database management -- 2.35.1