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Message-ID: <20231017105532.3563683-7-amcohen@nvidia.com> Date: Tue, 17 Oct 2023 13:55:30 +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 v2 6/8] bridge: fdb: support match on destination IP in flush command Extend "fdb flush" command to match fdb entries with a specific destination IP. Example: $ bridge fdb flush dev vx10 dst 192.1.1.1 This will flush all fdb entries pointing to vx10 with destination IP 192.1.1.1 Signed-off-by: Amit Cohen <amcohen@...dia.com> Acked-by: Nikolay Aleksandrov <razor@...ckwall.org> --- bridge/fdb.c | 14 ++++++++++++-- man/man8/bridge.8 | 8 ++++++++ 2 files changed, 20 insertions(+), 2 deletions(-) diff --git a/bridge/fdb.c b/bridge/fdb.c index f2d882ed..8311fa08 100644 --- a/bridge/fdb.c +++ b/bridge/fdb.c @@ -46,8 +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" - " [ nhid NHID ] [ vni VNI ] [ port PORT ] [ self ] [ master ]\n" - " [ [no]permanent | [no]static | [no]dynamic ]\n" + " [ nhid NHID ] [ vni VNI ] [ port PORT ] [ dst IPADDR ] [ self ]\n" + " [ master ] [ [no]permanent | [no]static | [no]dynamic ]\n" " [ [no]added_by_user ] [ [no]extern_learn ] [ [no]sticky ]\n" " [ [no]offloaded ]\n"); exit(-1); @@ -704,6 +704,8 @@ static int fdb_flush(int argc, char **argv) unsigned long src_vni = ~0; unsigned long vni = ~0; unsigned long port = 0; + inet_prefix dst; + int dst_ok = 0; __u32 nhid = 0; char *endptr; @@ -795,6 +797,12 @@ static int fdb_flush(int argc, char **argv) port = ntohs(pse->s_port); } else if (port > 0xffff) invarg("invalid port\n", *argv); + } else if (strcmp(*argv, "dst") == 0) { + NEXT_ARG(); + if (dst_ok) + duparg2("dst", *argv); + get_addr(&dst, *argv, preferred_family); + dst_ok = 1; } else if (strcmp(*argv, "help") == 0) { NEXT_ARG(); } else { @@ -853,6 +861,8 @@ static int fdb_flush(int argc, char **argv) dport = htons((unsigned short)port); addattr16(&req.n, sizeof(req), NDA_PORT, dport); } + if (dst_ok) + addattr_l(&req.n, sizeof(req), NDA_DST, &dst.data, dst.bytelen); 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 cf23094c..e3051f89 100644 --- a/man/man8/bridge.8 +++ b/man/man8/bridge.8 @@ -136,6 +136,8 @@ bridge \- show / manipulate bridge addresses and devices .IR VNI " ] [ " .B port .IR PORT " ] [" +.B dst +.IR IPADDR " ] [ " .BR self " ] [ " master " ] [ " .BR [no]permanent " | " [no]static " | " [no]dynamic " ] [ " .BR [no]added_by_user " ] [ " [no]extern_learn " ] [ " @@ -923,6 +925,12 @@ the UDP destination PORT number for the operation. Match forwarding table entries only with the specified PORT. Valid if the referenced device is a VXLAN type device. +.TP +.BI dst " IPADDR" +the IP address of the destination VXLAN tunnel endpoint for the operation. Match +forwarding table entries only with the specified IPADDR. 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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