* [PATCH for-next] RDMA/efa: Report 800 and 1600 Gbps link speed
@ 2026-06-08 8:37 Tom Sela
2026-06-09 19:04 ` Jason Gunthorpe
0 siblings, 1 reply; 2+ messages in thread
From: Tom Sela @ 2026-06-08 8:37 UTC (permalink / raw)
To: jgg, leon, linux-rdma, mrgolin, tomsela
Cc: sleybo, matua, gal.pressman, Yonatan Nachum
Add support for reporting 800 Gbps as 8X NDR and 1600 Gbps as 8X XDR
link speeds.
Reviewed-by: Michael Margolin <mrgolin@amazon.com>
Reviewed-by: Yonatan Nachum <ynachum@amazon.com>
Signed-off-by: Tom Sela <tomsela@amazon.com>
---
drivers/infiniband/hw/efa/efa_verbs.c | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/drivers/infiniband/hw/efa/efa_verbs.c b/drivers/infiniband/hw/efa/efa_verbs.c
index 434d60235945..5cd34746e6a6 100644
--- a/drivers/infiniband/hw/efa/efa_verbs.c
+++ b/drivers/infiniband/hw/efa/efa_verbs.c
@@ -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) {
--
2.47.3
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH for-next] RDMA/efa: Report 800 and 1600 Gbps link speed
2026-06-08 8:37 [PATCH for-next] RDMA/efa: Report 800 and 1600 Gbps link speed Tom Sela
@ 2026-06-09 19:04 ` Jason Gunthorpe
0 siblings, 0 replies; 2+ messages in thread
From: Jason Gunthorpe @ 2026-06-09 19:04 UTC (permalink / raw)
To: Tom Sela
Cc: leon, linux-rdma, mrgolin, sleybo, matua, gal.pressman,
Yonatan Nachum
On Mon, Jun 08, 2026 at 08:37:36AM +0000, Tom Sela wrote:
> Add support for reporting 800 Gbps as 8X NDR and 1600 Gbps as 8X XDR
> link speeds.
>
> Reviewed-by: Michael Margolin <mrgolin@amazon.com>
> Reviewed-by: Yonatan Nachum <ynachum@amazon.com>
> Signed-off-by: Tom Sela <tomsela@amazon.com>
> ---
> drivers/infiniband/hw/efa/efa_verbs.c | 8 +++++++-
> 1 file changed, 7 insertions(+), 1 deletion(-)
Applied to for-next thanks
Jason
^ permalink raw reply [flat|nested] 2+ messages in thread
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