[PATCH ethtool 6/8] module-common: Add missing CMIS transmitter technologies
From: Ido Schimmel <idosch@nvidia.com>
Date: 2026-07-16 06:47:58
Subsystem:
the rest · Maintainer:
Linus Torvalds
Add missing transmitter technologies from table 8-40 in CMIS 5.3. This
is a prerequisite for the next patch to help us distinguish between
copper and optical transceivers.
Fixes: 88ca347ef35a ("Add QSFP-DD support")
Reviewed-by: Danielle Ratson <redacted>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
---
module-common.c | 18 ++++++++++++++++++
module-common.h | 5 +++++
2 files changed, 23 insertions(+)
diff --git a/module-common.c b/module-common.c
index ea4514ab3899..f8e4681d8d63 100644
--- a/module-common.c
+++ b/module-common.c@@ -628,6 +628,24 @@ void module_show_mit_compliance(u16 value) snprintf(description, SFF_MAX_DESC_LEN, "%s linear active equalizers", cc); break; + case MODULE_TT_C_BAND_LASER: + strncpy(description, "C-band tunable laser", SFF_MAX_DESC_LEN); + break; + case MODULE_TT_L_BAND_LASER: + strncpy(description, "L-band tunable laser", SFF_MAX_DESC_LEN); + break; + case MODULE_TT_COPPER_NF_LINEAR: + snprintf(description, SFF_MAX_DESC_LEN, + "%s near and far end linear active equalizers", cc); + break; + case MODULE_TT_COPPER_F_LINEAR: + snprintf(description, SFF_MAX_DESC_LEN, + "%s far end linear active equalizers", cc); + break; + case MODULE_TT_COPPER_N_LINEAR: + snprintf(description, SFF_MAX_DESC_LEN, + "%s near end linear active equalizers", cc); + break; default: strncpy(description, "Reserved or unknown", SFF_MAX_DESC_LEN); break;
diff --git a/module-common.h b/module-common.h
index fba1d36f7f86..e9bf8c19a9bb 100644
--- a/module-common.h
+++ b/module-common.h@@ -99,6 +99,11 @@ enum module_type { #define MODULE_TT_COPPER_F_EQUAL 0x0D #define MODULE_TT_COPPER_N_EQUAL 0x0E #define MODULE_TT_COPPER_LINEAR_EQUAL 0x0F +#define MODULE_TT_C_BAND_LASER 0x10 +#define MODULE_TT_L_BAND_LASER 0x11 +#define MODULE_TT_COPPER_NF_LINEAR 0x12 +#define MODULE_TT_COPPER_F_LINEAR 0x13 +#define MODULE_TT_COPPER_N_LINEAR 0x14 /* Module Flags (Page 0) */ #define CMIS_VCC_AW_OFFSET 0x09
--
2.55.0