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| author | Florian Fainelli <f.fainelli@gmail.com> | 2020-04-30 11:49:10 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2020-04-30 17:43:29 -0700 |
| commit | cd169d799beeb738fa2d3e891960924cdcaf8414 (patch) | |
| tree | 3a19a7137124e174efa96796a81c5e55d7335c59 | |
| parent | e3da4038f4ca1094596a7604c6edac4a6a4f6ee9 (diff) | |
| download | linux-cd169d799beeb738fa2d3e891960924cdcaf8414.tar.bz2 | |
net: dsa: b53: Bound check ARL searches
ARL searches are done by reading two ARL entries at a time, do not cap
the search at 1024 which would only limit us to half of the possible ARL
capacity, but use b53_max_arl_entries() instead which does the right
multiplication between bins and indexes.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/dsa/b53/b53_common.c | 2 | ||||
| -rw-r--r-- | drivers/net/dsa/b53/b53_priv.h | 5 |
2 files changed, 6 insertions, 1 deletions
diff --git a/drivers/net/dsa/b53/b53_common.c b/drivers/net/dsa/b53/b53_common.c index aa0836ac751c..9550d972f8c5 100644 --- a/drivers/net/dsa/b53/b53_common.c +++ b/drivers/net/dsa/b53/b53_common.c @@ -1702,7 +1702,7 @@ int b53_fdb_dump(struct dsa_switch *ds, int port, break; } - } while (count++ < 1024); + } while (count++ < b53_max_arl_entries(priv) / 2); return 0; } diff --git a/drivers/net/dsa/b53/b53_priv.h b/drivers/net/dsa/b53/b53_priv.h index 694e26cdfd4d..e942c60e4365 100644 --- a/drivers/net/dsa/b53/b53_priv.h +++ b/drivers/net/dsa/b53/b53_priv.h @@ -213,6 +213,11 @@ static inline int is58xx(struct b53_device *dev) #define B53_CPU_PORT_25 5 #define B53_CPU_PORT 8 +static inline unsigned int b53_max_arl_entries(struct b53_device *dev) +{ + return dev->num_arl_buckets * dev->num_arl_bins; +} + struct b53_device *b53_switch_alloc(struct device *base, const struct b53_io_ops *ops, void *priv); |