diff options
| author | Rahul Lakkireddy <rahul.lakkireddy@chelsio.com> | 2021-11-11 15:55:16 +0530 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-11-17 09:48:48 +0100 |
| commit | dd3a418ba5e6e3beeaa8a629f711b9528e9549f0 (patch) | |
| tree | cdfec0d1d7c3193136875eb019666169c5ca08c0 | |
| parent | 1800c9eecd5e20dcbdca08f8676324645712b754 (diff) | |
cxgb4: fix eeprom len when diagnostics not implemented
[ Upstream commit 4ca110bf8d9b31a60f8f8ff6706ea147d38ad97c ]
Ensure diagnostics monitoring support is implemented for the SFF 8472
compliant port module and set the correct length for ethtool port
module eeprom read.
Fixes: f56ec6766dcf ("cxgb4: Add support for ethtool i2c dump")
Signed-off-by: Manoj Malviya <manojmalviya@chelsio.com>
Signed-off-by: Rahul Lakkireddy <rahul.lakkireddy@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
| -rw-r--r-- | drivers/net/ethernet/chelsio/cxgb4/cxgb4_ethtool.c | 7 | ||||
| -rw-r--r-- | drivers/net/ethernet/chelsio/cxgb4/t4_hw.h | 2 |
2 files changed, 7 insertions, 2 deletions
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_ethtool.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_ethtool.c index f537be9cb315..5ba30b8eb1e1 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_ethtool.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_ethtool.c @@ -1466,12 +1466,15 @@ static int cxgb4_get_module_info(struct net_device *dev, if (ret) return ret; - if (!sff8472_comp || (sff_diag_type & 4)) { + if (!sff8472_comp || (sff_diag_type & SFP_DIAG_ADDRMODE)) { modinfo->type = ETH_MODULE_SFF_8079; modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN; } else { modinfo->type = ETH_MODULE_SFF_8472; - modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN; + if (sff_diag_type & SFP_DIAG_IMPLEMENTED) + modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN; + else + modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN / 2; } break; diff --git a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.h b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.h index 002fc62ea726..63bc956d2037 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.h +++ b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.h @@ -293,6 +293,8 @@ enum { #define I2C_PAGE_SIZE 0x100 #define SFP_DIAG_TYPE_ADDR 0x5c #define SFP_DIAG_TYPE_LEN 0x1 +#define SFP_DIAG_ADDRMODE BIT(2) +#define SFP_DIAG_IMPLEMENTED BIT(6) #define SFF_8472_COMP_ADDR 0x5e #define SFF_8472_COMP_LEN 0x1 #define SFF_REV_ADDR 0x1 |