From: Andy Moreton andy.moreton@amd.com
[ Upstream commit 281900a923d4c50df109b52a22ae3cdac150159b ]
The sfc driver does not report QSFP module EEPROM contents correctly as only the first page is fetched from hardware.
Commit 0e1a2a3e6e7d ("ethtool: Add SFF-8436 and SFF-8636 max EEPROM length definitions") added ETH_MODULE_SFF_8436_MAX_LEN for the overall size of the EEPROM info, so use that to report the full EEPROM contents.
Fixes: 9b17010da57a ("sfc: Add ethtool -m support for QSFP modules") Signed-off-by: Andy Moreton andy.moreton@amd.com Signed-off-by: David S. Miller davem@davemloft.net Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/net/ethernet/sfc/mcdi_port_common.c | 11 +++++++---- 1 file changed, 7 insertions(+), 4 deletions(-)
diff --git a/drivers/net/ethernet/sfc/mcdi_port_common.c b/drivers/net/ethernet/sfc/mcdi_port_common.c index 899cc16710048..0ab14f3d01d4d 100644 --- a/drivers/net/ethernet/sfc/mcdi_port_common.c +++ b/drivers/net/ethernet/sfc/mcdi_port_common.c @@ -972,12 +972,15 @@ static u32 efx_mcdi_phy_module_type(struct efx_nic *efx)
/* A QSFP+ NIC may actually have an SFP+ module attached. * The ID is page 0, byte 0. + * QSFP28 is of type SFF_8636, however, this is treated + * the same by ethtool, so we can also treat them the same. */ switch (efx_mcdi_phy_get_module_eeprom_byte(efx, 0, 0)) { - case 0x3: + case 0x3: /* SFP */ return MC_CMD_MEDIA_SFP_PLUS; - case 0xc: - case 0xd: + case 0xc: /* QSFP */ + case 0xd: /* QSFP+ */ + case 0x11: /* QSFP28 */ return MC_CMD_MEDIA_QSFP_PLUS; default: return 0; @@ -1075,7 +1078,7 @@ int efx_mcdi_phy_get_module_info(struct efx_nic *efx, struct ethtool_modinfo *mo
case MC_CMD_MEDIA_QSFP_PLUS: modinfo->type = ETH_MODULE_SFF_8436; - modinfo->eeprom_len = ETH_MODULE_SFF_8436_LEN; + modinfo->eeprom_len = ETH_MODULE_SFF_8436_MAX_LEN; break;
default: