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net: dsa: ocelot: the MAC table on Felix is twice as large

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When running 'bridge fdb dump' on Felix, sometimes learnt and static MAC
addresses would appear, sometimes they wouldn't.

Turns out, the MAC table has 4096 entries on VSC7514 (Ocelot) and 8192
entries on VSC9959 (Felix), so the existing code from the Ocelot common
library only dumped half of Felix's MAC table. They are both organized
as a 4-way set-associative TCAM, so we just need a single variable
indicating the correct number of rows.

Fixes: 5605194877 ("net: dsa: ocelot: add driver for Felix switch family")
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Vladimir Oltean 2020-05-04 01:20:26 +03:00 committed by David S. Miller
parent 0ba83aa037
commit 21ce7f3e16
6 changed files with 7 additions and 4 deletions
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1
drivers/net/dsa/ocelot/felix.c
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@ -400,6 +400,7 @@ static int felix_init_structs(struct felix *felix, int num_phys_ports)
ocelot->stats_layout = felix->info->stats_layout;
ocelot->num_stats = felix->info->num_stats;
ocelot->shared_queue_sz = felix->info->shared_queue_sz;
ocelot->num_mact_rows = felix->info->num_mact_rows;
ocelot->vcap_is2_keys = felix->info->vcap_is2_keys;
ocelot->vcap_is2_actions= felix->info->vcap_is2_actions;
ocelot->vcap = felix->info->vcap;

1
drivers/net/dsa/ocelot/felix.h
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@ -15,6 +15,7 @@ struct felix_info {
const u32 *const *map;
const struct ocelot_ops *ops;
int shared_queue_sz;
int num_mact_rows;
const struct ocelot_stat_layout *stats_layout;
unsigned int num_stats;
int num_ports;

1
drivers/net/dsa/ocelot/felix_vsc9959.c
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@ -1220,6 +1220,7 @@ struct felix_info felix_info_vsc9959 = {
.vcap_is2_actions = vsc9959_vcap_is2_actions,
.vcap = vsc9959_vcap_props,
.shared_queue_sz = 128 * 1024,
.num_mact_rows = 2048,
.num_ports = 6,
.switch_pci_bar = 4,
.imdio_pci_bar = 0,

6
drivers/net/ethernet/mscc/ocelot.c
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@ -1031,10 +1031,8 @@ int ocelot_fdb_dump(struct ocelot *ocelot, int port,
{
int i, j;
/* Loop through all the mac tables entries. There are 1024 rows of 4
* entries.
*/
for (i = 0; i < 1024; i++) {
/* Loop through all the mac tables entries. */
for (i = 0; i < ocelot->num_mact_rows; i++) {
for (j = 0; j < 4; j++) {
struct ocelot_mact_entry entry;
bool is_static;

1
drivers/net/ethernet/mscc/ocelot_regs.c
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@ -431,6 +431,7 @@ int ocelot_chip_init(struct ocelot *ocelot, const struct ocelot_ops *ops)
ocelot->stats_layout = ocelot_stats_layout;
ocelot->num_stats = ARRAY_SIZE(ocelot_stats_layout);
ocelot->shared_queue_sz = 224 * 1024;
ocelot->num_mact_rows = 1024;
ocelot->ops = ops;
ret = ocelot_regfields_init(ocelot, ocelot_regfields);

1
include/soc/mscc/ocelot.h
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@ -502,6 +502,7 @@ struct ocelot {
unsigned int num_stats;
int shared_queue_sz;
int num_mact_rows;
struct net_device *hw_bridge_dev;
u16 bridge_mask;