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63 lines
1.6 KiB
Diff
63 lines
1.6 KiB
Diff
From: Felix Fietkau <nbd@nbd.name>
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Date: Mon, 7 Dec 2020 20:31:48 +0100
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Subject: [PATCH] net: dsa: resolve forwarding path for dsa slave ports
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Add .ndo_fill_forward_path for dsa slave port devices
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Signed-off-by: Felix Fietkau <nbd@nbd.name>
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---
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--- a/include/linux/netdevice.h
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+++ b/include/linux/netdevice.h
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@@ -837,6 +837,7 @@ enum net_device_path_type {
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DEV_PATH_ETHERNET = 0,
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DEV_PATH_VLAN,
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DEV_PATH_BRIDGE,
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+ DEV_PATH_DSA,
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};
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struct net_device_path {
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@@ -856,6 +857,10 @@ struct net_device_path {
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u16 vlan_id;
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__be16 vlan_proto;
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} bridge;
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+ struct {
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+ int port;
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+ u16 proto;
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+ } dsa;
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};
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};
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--- a/net/dsa/slave.c
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+++ b/net/dsa/slave.c
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@@ -1582,6 +1582,21 @@ static struct devlink_port *dsa_slave_ge
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return dp->ds->devlink ? &dp->devlink_port : NULL;
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}
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+static int dsa_slave_fill_forward_path(struct net_device_path_ctx *ctx,
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+ struct net_device_path *path)
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+{
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+ struct dsa_port *dp = dsa_slave_to_port(ctx->dev);
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+ struct dsa_port *cpu_dp = dp->cpu_dp;
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+
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+ path->dev = ctx->dev;
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+ path->type = DEV_PATH_DSA;
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+ path->dsa.proto = cpu_dp->tag_ops->proto;
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+ path->dsa.port = dp->index;
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+ ctx->dev = cpu_dp->master;
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+
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+ return 0;
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+}
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+
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static const struct net_device_ops dsa_slave_netdev_ops = {
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.ndo_open = dsa_slave_open,
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.ndo_stop = dsa_slave_close,
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@@ -1607,6 +1622,7 @@ static const struct net_device_ops dsa_s
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.ndo_vlan_rx_kill_vid = dsa_slave_vlan_rx_kill_vid,
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.ndo_get_devlink_port = dsa_slave_get_devlink_port,
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.ndo_change_mtu = dsa_slave_change_mtu,
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+ .ndo_fill_forward_path = dsa_slave_fill_forward_path,
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};
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static struct device_type dsa_type = {
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