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Message-ID: <20231017070227.3560105-4-amcohen@nvidia.com> Date: Tue, 17 Oct 2023 10:02:22 +0300 From: Amit Cohen <amcohen@...dia.com> To: <netdev@...r.kernel.org> CC: <dsahern@...il.com>, <stephen@...workplumber.org>, <razor@...ckwall.org>, <mlxsw@...dia.com>, <roopa@...dia.com>, Amit Cohen <amcohen@...dia.com> Subject: [PATCH iproute2-next 3/8] bridge: fdb: support match on nexthop ID in flush command Extend "fdb flush" command to match fdb entries with a specific nexthop ID. Example: $ bridge fdb flush dev vx10 nhid 2 This will flush all fdb entries pointing to vx10 with nexthop ID 2. Signed-off-by: Amit Cohen <amcohen@...dia.com> --- bridge/fdb.c | 10 +++++++++- man/man8/bridge.8 | 7 +++++++ 2 files changed, 16 insertions(+), 1 deletion(-) diff --git a/bridge/fdb.c b/bridge/fdb.c index 12d19f08..6ae1011a 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 ] [ src_vni VNI ]\n" - " [ self ] [ master ] [ [no]permanent | [no]static | [no]dynamic ]\n" + " [ nhid NHID ] [ self ] [ master ]\n" + " [ [no]permanent | [no]static | [no]dynamic ]\n" " [ [no]added_by_user ] [ [no]extern_learn ] [ [no]sticky ]\n" " [ [no]offloaded ]\n"); exit(-1); @@ -701,6 +702,7 @@ static int fdb_flush(int argc, char **argv) unsigned short ndm_flags = 0; unsigned short ndm_state = 0; unsigned long src_vni = ~0; + __u32 nhid = 0; char *endptr; while (argc > 0) { @@ -769,6 +771,10 @@ static int fdb_flush(int argc, char **argv) if ((endptr && *endptr) || (src_vni >> 24) || src_vni == ULONG_MAX) invarg("invalid src VNI\n", *argv); + } else if (strcmp(*argv, "nhid") == 0) { + NEXT_ARG(); + if (get_u32(&nhid, *argv, 0)) + invarg("\"id\" value is invalid\n", *argv); } else if (strcmp(*argv, "help") == 0) { NEXT_ARG(); } else { @@ -817,6 +823,8 @@ static int fdb_flush(int argc, char **argv) addattr16(&req.n, sizeof(req), NDA_VLAN, vid); if (src_vni != ~0) addattr32(&req.n, sizeof(req), NDA_SRC_VNI, src_vni); + if (nhid > 0) + addattr32(&req.n, sizeof(req), NDA_NH_ID, nhid); if (ndm_flags_mask) addattr8(&req.n, sizeof(req), NDA_NDM_FLAGS_MASK, ndm_flags_mask); diff --git a/man/man8/bridge.8 b/man/man8/bridge.8 index b1e96327..eaeee81b 100644 --- a/man/man8/bridge.8 +++ b/man/man8/bridge.8 @@ -130,6 +130,8 @@ bridge \- show / manipulate bridge addresses and devices .IR VID " ] [ " .B src_vni .IR VNI " ] [ " +.B nhid +.IR NHID " ] [" .BR self " ] [ " master " ] [ " .BR [no]permanent " | " [no]static " | " [no]dynamic " ] [ " .BR [no]added_by_user " ] [ " [no]extern_learn " ] [ " @@ -900,6 +902,11 @@ the src VNI Network Identifier (or VXLAN Segment ID) for the operation. Match forwarding table entries only with the specified VNI. Valid if the referenced device is a VXLAN type device. +.TP +.BI nhid " NHID" +the ecmp nexthop group for the operation. Match forwarding table entries only +with the specified NHID. Valid if the referenced device is a VXLAN type device. + .TP .B self the operation is fulfilled directly by the driver for the specified network -- 2.41.0
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