84 lines
1.6 KiB
C
84 lines
1.6 KiB
C
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// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* switchdev.c
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*
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* Authors:
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* Hans J. Schultz <netdev@kapio-technology.com>
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*
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*/
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#include <net/switchdev.h>
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#include "chip.h"
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#include "global1.h"
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#include "switchdev.h"
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struct mv88e6xxx_fid_search_ctx {
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u16 fid_search;
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u16 vid_found;
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};
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static int __mv88e6xxx_find_vid(struct mv88e6xxx_chip *chip,
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const struct mv88e6xxx_vtu_entry *entry,
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void *priv)
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{
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struct mv88e6xxx_fid_search_ctx *ctx = priv;
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if (ctx->fid_search == entry->fid) {
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ctx->vid_found = entry->vid;
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return 1;
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}
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return 0;
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}
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static int mv88e6xxx_find_vid(struct mv88e6xxx_chip *chip, u16 fid, u16 *vid)
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{
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struct mv88e6xxx_fid_search_ctx ctx;
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int err;
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ctx.fid_search = fid;
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mv88e6xxx_reg_lock(chip);
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err = mv88e6xxx_vtu_walk(chip, __mv88e6xxx_find_vid, &ctx);
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mv88e6xxx_reg_unlock(chip);
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if (err < 0)
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return err;
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if (err == 1)
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*vid = ctx.vid_found;
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else
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return -ENOENT;
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return 0;
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}
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int mv88e6xxx_handle_miss_violation(struct mv88e6xxx_chip *chip, int port,
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struct mv88e6xxx_atu_entry *entry, u16 fid)
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{
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struct switchdev_notifier_fdb_info info = {
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.addr = entry->mac,
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.locked = true,
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};
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struct net_device *brport;
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struct dsa_port *dp;
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u16 vid;
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int err;
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err = mv88e6xxx_find_vid(chip, fid, &vid);
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if (err)
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return err;
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info.vid = vid;
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dp = dsa_to_port(chip->ds, port);
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rtnl_lock();
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brport = dsa_port_to_bridge_port(dp);
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if (!brport) {
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rtnl_unlock();
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return -ENODEV;
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}
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err = call_switchdev_notifiers(SWITCHDEV_FDB_ADD_TO_BRIDGE,
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brport, &info.info, NULL);
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rtnl_unlock();
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return err;
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}
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