Messages in this thread Patch in this message | | | From | Daniel Machon <> | Date | Thu, 18 Apr 2024 09:49:03 +0200 | Subject | [PATCH net-next 4/5] net: sparx5: add the tc glue to support port mirroring |
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Add the necessary tc glue to add and delete mirror rules through tc matchall.
Signed-off-by: Daniel Machon <daniel.machon@microchip.com> Reviewed-by: Steen Hegelund <Steen.Hegelund@microchip.com> --- .../ethernet/microchip/sparx5/sparx5_tc_matchall.c | 36 +++++++++++++++++++++- 1 file changed, 35 insertions(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/microchip/sparx5/sparx5_tc_matchall.c b/drivers/net/ethernet/microchip/sparx5/sparx5_tc_matchall.c index 2a33b347098f..cfd6fcd3d74e 100644 --- a/drivers/net/ethernet/microchip/sparx5/sparx5_tc_matchall.c +++ b/drivers/net/ethernet/microchip/sparx5/sparx5_tc_matchall.c @@ -36,6 +36,13 @@ static void sparx5_tc_matchall_parse_action(struct sparx5_port *port, entry->cookie = cookie; } +static void +sparx5_tc_matchall_parse_mirror_action(struct sparx5_mall_entry *entry, + struct flow_action_entry *action) +{ + entry->mirror.port = netdev_priv(action->dev); +} + static int sparx5_tc_matchall_replace(struct net_device *ndev, struct tc_cls_matchall_offload *tmo, bool ingress) @@ -65,6 +72,31 @@ static int sparx5_tc_matchall_replace(struct net_device *ndev, sparx5 = port->sparx5; switch (action->id) { + case FLOW_ACTION_MIRRED: + sparx5_tc_matchall_parse_mirror_action(mall_entry, action); + err = sparx5_mirror_add(mall_entry); + if (err) { + switch (err) { + case -EEXIST: + NL_SET_ERR_MSG_MOD(tmo->common.extack, + "Mirroring already exists"); + break; + case -EINVAL: + NL_SET_ERR_MSG_MOD(tmo->common.extack, + "Cannot mirror a monitor port"); + break; + case -ENOENT: + NL_SET_ERR_MSG_MOD(tmo->common.extack, + "No more mirror probes available"); + break; + default: + NL_SET_ERR_MSG_MOD(tmo->common.extack, + "Unknown error"); + break; + } + return err; + } + break; case FLOW_ACTION_GOTO: err = vcap_enable_lookups(sparx5->vcap_ctrl, ndev, tmo->common.chain_index, @@ -115,7 +147,9 @@ static int sparx5_tc_matchall_destroy(struct net_device *ndev, if (!entry) return -ENOENT; - if (entry->type == FLOW_ACTION_GOTO) { + if (entry->type == FLOW_ACTION_MIRRED) { + sparx5_mirror_del(entry); + } else if (entry->type == FLOW_ACTION_GOTO) { err = vcap_enable_lookups(sparx5->vcap_ctrl, ndev, 0, 0, tmo->cookie, false); } else { -- 2.34.1
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