| From | Greg Kroah-Hartman <> | Subject | [PATCH 4.4 036/115] mlxsw: reg: Fix SPVM max record count | Date | Mon, 18 Dec 2017 16:48:25 +0100 |
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4.4-stable review patch. If anyone has any objections, please let me know.
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From: Jiri Pirko <jiri@mellanox.com>
[ Upstream commit f004ec065b4879d6bc9ba0211af2169b3ce3097f ]
The num_rec field is 8 bit, so the maximal count number is 255. This fixes vlans not being enabled for wider ranges than 255.
Fixes: b2e345f9a454 ("mlxsw: reg: Add Switch Port VID and Switch Port VLAN Membership registers definitions") Signed-off-by: Jiri Pirko <jiri@mellanox.com> Reviewed-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Sasha Levin <alexander.levin@verizon.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> --- drivers/net/ethernet/mellanox/mlxsw/reg.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/net/ethernet/mellanox/mlxsw/reg.h +++ b/drivers/net/ethernet/mellanox/mlxsw/reg.h @@ -599,7 +599,7 @@ static inline void mlxsw_reg_spvid_pack( #define MLXSW_REG_SPVM_ID 0x200F #define MLXSW_REG_SPVM_BASE_LEN 0x04 /* base length, without records */ #define MLXSW_REG_SPVM_REC_LEN 0x04 /* record length */ -#define MLXSW_REG_SPVM_REC_MAX_COUNT 256 +#define MLXSW_REG_SPVM_REC_MAX_COUNT 255 #define MLXSW_REG_SPVM_LEN (MLXSW_REG_SPVM_BASE_LEN + \ MLXSW_REG_SPVM_REC_LEN * MLXSW_REG_SPVM_REC_MAX_COUNT)
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