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RDMA/efa: Report 800 and 1600 Gbps link speed

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Add support for reporting 800 Gbps as 8X NDR and 1600 Gbps as 8X XDR
link speeds.

Link: https://patch.msgid.link/r/20260608083736.48454-1-tomsela@amazon.com
Reviewed-by: Michael Margolin <mrgolin@amazon.com>
Reviewed-by: Yonatan Nachum <ynachum@amazon.com>
Signed-off-by: Tom Sela <tomsela@amazon.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
This commit is contained in:
Tom Sela 2026-06-08 08:37:36 +00:00 committed by Jason Gunthorpe
parent 6eb287509d
commit 7d4f515b66
1 changed files with 7 additions and 1 deletions
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8
drivers/infiniband/hw/efa/efa_verbs.c
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@ -282,7 +282,13 @@ static void efa_link_gbps_to_speed_and_width(u16 gbps,
enum ib_port_speed *speed,
enum ib_port_width *width)
{
if (gbps >= 400) {
if (gbps >= 1600) {
*width = IB_WIDTH_8X;
*speed = IB_SPEED_XDR;
} else if (gbps >= 800) {
*width = IB_WIDTH_8X;
*speed = IB_SPEED_NDR;
} else if (gbps >= 400) {
*width = IB_WIDTH_8X;
*speed = IB_SPEED_HDR;
} else if (gbps >= 200) {