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ice(4): Add support for 40G maximal PMD speed

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E823 backplane devices may support 40G as maximal PMD speed.
Extend port topology reading logic to handle this case.
While at that fix indentation according to FreeBSD style(9).

Signed-off-by: Krzysztof Galazka <krzysztof.galazka@intel.com>

Tested by:	gowtham.kumar.ks_intel.com
Approved by:	kbowling (mentor), erj (mentor)
Sponsored by:	Intel Corporation
MFC after:	1 week
Differential Revision:	https://reviews.freebsd.org/D53587
This commit is contained in:
Krzysztof Galazka
2025-12-05 23:02:45 +01:00
parent 112a6912e1
commit c6212b7da1
2 changed files with 5 additions and 3 deletions
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sys/dev/ice/ice_adminq_cmd.h
+1
View File
@@ -2131,6 +2131,7 @@ struct ice_aqc_get_port_options_elem {
#define ICE_AQC_PORT_OPT_MAX_LANE_50G 6
#define ICE_AQC_PORT_OPT_MAX_LANE_100G 7
#define ICE_AQC_PORT_OPT_MAX_LANE_200G 8
#define ICE_AQC_PORT_OPT_MAX_LANE_40G 9
u8 global_scid[2];
u8 phy_scid[2];
u8 pf2port_cid[2];
sys/dev/ice/ice_lib.c
+4 -3
View File
@@ -11344,10 +11344,10 @@ ice_get_port_topology(struct ice_hw *hw, u8 lport,
return err;
if (cage_type == 0x11 || /* SFP */
cage_type == 0x12) { /* SFP28 */
cage_type == 0x12) { /* SFP28 */
port_topology->serdes_lane_count = 1;
} else if (cage_type == 0x13 || /* QSFP */
cage_type == 0x14) { /* QSFP28 */
cage_type == 0x14) { /* QSFP28 */
u8 max_speed = 0;
err = ice_get_maxspeed(hw, port_topology->primary_serdes_lane,
@@ -11362,7 +11362,8 @@ ice_get_port_topology(struct ice_hw *hw, u8 lport,
if (max_speed == ICE_AQC_PORT_OPT_MAX_LANE_100G)
port_topology->serdes_lane_count = 4;
else if (max_speed == ICE_AQC_PORT_OPT_MAX_LANE_50G)
else if (max_speed == ICE_AQC_PORT_OPT_MAX_LANE_50G ||
max_speed == ICE_AQC_PORT_OPT_MAX_LANE_40G)
port_topology->serdes_lane_count = 2;
else
port_topology->serdes_lane_count = 1;