diff options
| author | Shalom Toledo <shalomt@mellanox.com> | 2019-11-12 08:48:26 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2019-11-12 10:54:02 -0800 |
| commit | 664b3dd9ba58462d1f74f2c9536e500898450edc (patch) | |
| tree | db5ba752746bebb5ffa538b0b9dc30a7de04d403 /drivers/net/ethernet/mellanox | |
| parent | d17eb4030cc3061d3d2f313b9b898103701c44a4 (diff) | |
| download | lwn-664b3dd9ba58462d1f74f2c9536e500898450edc.tar.gz lwn-664b3dd9ba58462d1f74f2c9536e500898450edc.zip | |
mlxsw: core: Add EMAD string TLV
Add EMAD string TLV, an ASCII string the driver can receive from the
firmware in case of an error.
Signed-off-by: Shalom Toledo <shalomt@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/mellanox')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlxsw/core.c | 19 | ||||
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlxsw/emad.h | 6 |
2 files changed, 24 insertions, 1 deletions
diff --git a/drivers/net/ethernet/mellanox/mlxsw/core.c b/drivers/net/ethernet/mellanox/mlxsw/core.c index 698c7bcb1aad..a50a36f9584b 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/core.c +++ b/drivers/net/ethernet/mellanox/mlxsw/core.c @@ -249,6 +249,25 @@ MLXSW_ITEM32(emad, op_tlv, class, 0x04, 0, 8); */ MLXSW_ITEM64(emad, op_tlv, tid, 0x08, 0, 64); +/* emad_string_tlv_type + * Type of the TLV. + * Must be set to 0x2 (string TLV). + */ +MLXSW_ITEM32(emad, string_tlv, type, 0x00, 27, 5); + +/* emad_string_tlv_len + * Length of the string TLV in u32. + */ +MLXSW_ITEM32(emad, string_tlv, len, 0x00, 16, 11); + +#define MLXSW_EMAD_STRING_TLV_STRING_LEN 128 + +/* emad_string_tlv_string + * String provided by the device's firmware in case of erroneous register access + */ +MLXSW_ITEM_BUF(emad, string_tlv, string, 0x04, + MLXSW_EMAD_STRING_TLV_STRING_LEN); + /* emad_reg_tlv_type * Type of the TLV. * Must be set to 0x3 (register TLV). diff --git a/drivers/net/ethernet/mellanox/mlxsw/emad.h b/drivers/net/ethernet/mellanox/mlxsw/emad.h index 5d7c78419fa7..acfbbec52424 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/emad.h +++ b/drivers/net/ethernet/mellanox/mlxsw/emad.h @@ -19,7 +19,8 @@ enum { MLXSW_EMAD_TLV_TYPE_END, MLXSW_EMAD_TLV_TYPE_OP, - MLXSW_EMAD_TLV_TYPE_REG = 0x3, + MLXSW_EMAD_TLV_TYPE_STRING, + MLXSW_EMAD_TLV_TYPE_REG, }; /* OP TLV */ @@ -86,6 +87,9 @@ enum { MLXSW_EMAD_OP_TLV_METHOD_EVENT = 5, }; +/* STRING TLV */ +#define MLXSW_EMAD_STRING_TLV_LEN 33 /* Length in u32 */ + /* END TLV */ #define MLXSW_EMAD_END_TLV_LEN 1 /* Length in u32 */ |