69 lines
2.3 KiB
Diff
69 lines
2.3 KiB
Diff
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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Thomas Lamprecht <t.lamprecht@proxmox.com>
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Date: Sat, 7 Jan 2023 13:48:41 +0100
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Subject: [PATCH] Revert "RDMA/irdma: Report the correct link speed"
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seem to cause a regression with some NICs:
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https://lore.kernel.org/netdev/CAK8fFZ6A_Gphw_3-QMGKEFQk=sfCw1Qmq0TVZK3rtAi7vb621A@mail.gmail.com/
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This reverts commit e8553504e366c8a47d1f6156c30d6eb9778cda13.
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Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
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---
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drivers/infiniband/hw/irdma/verbs.c | 35 ++++++++++++++++++++++++++---
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1 file changed, 32 insertions(+), 3 deletions(-)
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diff --git a/drivers/infiniband/hw/irdma/verbs.c b/drivers/infiniband/hw/irdma/verbs.c
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index f6973ea55eda..132fe91bb799 100644
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--- a/drivers/infiniband/hw/irdma/verbs.c
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+++ b/drivers/infiniband/hw/irdma/verbs.c
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@@ -63,6 +63,36 @@ static int irdma_query_device(struct ib_device *ibdev,
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return 0;
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}
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+/**
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+ * irdma_get_eth_speed_and_width - Get IB port speed and width from netdev speed
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+ * @link_speed: netdev phy link speed
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+ * @active_speed: IB port speed
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+ * @active_width: IB port width
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+ */
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+static void irdma_get_eth_speed_and_width(u32 link_speed, u16 *active_speed,
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+ u8 *active_width)
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+{
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+ if (link_speed <= SPEED_1000) {
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+ *active_width = IB_WIDTH_1X;
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+ *active_speed = IB_SPEED_SDR;
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+ } else if (link_speed <= SPEED_10000) {
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+ *active_width = IB_WIDTH_1X;
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+ *active_speed = IB_SPEED_FDR10;
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+ } else if (link_speed <= SPEED_20000) {
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+ *active_width = IB_WIDTH_4X;
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+ *active_speed = IB_SPEED_DDR;
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+ } else if (link_speed <= SPEED_25000) {
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+ *active_width = IB_WIDTH_1X;
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+ *active_speed = IB_SPEED_EDR;
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+ } else if (link_speed <= SPEED_40000) {
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+ *active_width = IB_WIDTH_4X;
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+ *active_speed = IB_SPEED_FDR10;
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+ } else {
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+ *active_width = IB_WIDTH_4X;
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+ *active_speed = IB_SPEED_EDR;
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+ }
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+}
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+
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/**
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* irdma_query_port - get port attributes
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* @ibdev: device pointer from stack
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@@ -90,9 +120,8 @@ static int irdma_query_port(struct ib_device *ibdev, u32 port,
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props->state = IB_PORT_DOWN;
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props->phys_state = IB_PORT_PHYS_STATE_DISABLED;
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}
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-
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- ib_get_eth_speed(ibdev, port, &props->active_speed,
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- &props->active_width);
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+ irdma_get_eth_speed_and_width(SPEED_100000, &props->active_speed,
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+ &props->active_width);
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if (rdma_protocol_roce(ibdev, 1)) {
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props->gid_tbl_len = 32;
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