projects / pve-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| a0a93ff7 TL |
1 | From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001 |
| 2 | From: Thomas Lamprecht <t.lamprecht@proxmox.com> | |
| 3 | Date: Sat, 7 Jan 2023 13:48:41 +0100 | |
| 4 | Subject: [PATCH] Revert "RDMA/irdma: Report the correct link speed" | |
| 5 | ||
| 6 | seem to cause a regression with some NICs: | |
| 7 | https://lore.kernel.org/netdev/CAK8fFZ6A_Gphw_3-QMGKEFQk=sfCw1Qmq0TVZK3rtAi7vb621A@mail.gmail.com/ | |
| 8 | ||
| 9 | This reverts commit e8553504e366c8a47d1f6156c30d6eb9778cda13. | |
| 10 | ||
| 11 | Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com> | |
| 12 | --- | |
| 13 | drivers/infiniband/hw/irdma/verbs.c | 35 ++++++++++++++++++++++++++--- | |
| 14 | 1 file changed, 32 insertions(+), 3 deletions(-) | |
| 15 | ||
| 16 | diff --git a/drivers/infiniband/hw/irdma/verbs.c b/drivers/infiniband/hw/irdma/verbs.c | |
| 17 | index f6973ea55eda..132fe91bb799 100644 | |
| 18 | --- a/drivers/infiniband/hw/irdma/verbs.c | |
| 19 | +++ b/drivers/infiniband/hw/irdma/verbs.c | |
| 20 | @@ -63,6 +63,36 @@ static int irdma_query_device(struct ib_device *ibdev, | |
| 21 | return 0; | |
| 22 | } | |
| 23 | ||
| 24 | +/** | |
| 25 | + * irdma_get_eth_speed_and_width - Get IB port speed and width from netdev speed | |
| 26 | + * @link_speed: netdev phy link speed | |
| 27 | + * @active_speed: IB port speed | |
| 28 | + * @active_width: IB port width | |
| 29 | + */ | |
| 30 | +static void irdma_get_eth_speed_and_width(u32 link_speed, u16 *active_speed, | |
| 31 | + u8 *active_width) | |
| 32 | +{ | |
| 33 | + if (link_speed <= SPEED_1000) { | |
| 34 | + *active_width = IB_WIDTH_1X; | |
| 35 | + *active_speed = IB_SPEED_SDR; | |
| 36 | + } else if (link_speed <= SPEED_10000) { | |
| 37 | + *active_width = IB_WIDTH_1X; | |
| 38 | + *active_speed = IB_SPEED_FDR10; | |
| 39 | + } else if (link_speed <= SPEED_20000) { | |
| 40 | + *active_width = IB_WIDTH_4X; | |
| 41 | + *active_speed = IB_SPEED_DDR; | |
| 42 | + } else if (link_speed <= SPEED_25000) { | |
| 43 | + *active_width = IB_WIDTH_1X; | |
| 44 | + *active_speed = IB_SPEED_EDR; | |
| 45 | + } else if (link_speed <= SPEED_40000) { | |
| 46 | + *active_width = IB_WIDTH_4X; | |
| 47 | + *active_speed = IB_SPEED_FDR10; | |
| 48 | + } else { | |
| 49 | + *active_width = IB_WIDTH_4X; | |
| 50 | + *active_speed = IB_SPEED_EDR; | |
| 51 | + } | |
| 52 | +} | |
| 53 | + | |
| 54 | /** | |
| 55 | * irdma_query_port - get port attributes | |
| 56 | * @ibdev: device pointer from stack | |
| 57 | @@ -90,9 +120,8 @@ static int irdma_query_port(struct ib_device *ibdev, u32 port, | |
| 58 | props->state = IB_PORT_DOWN; | |
| 59 | props->phys_state = IB_PORT_PHYS_STATE_DISABLED; | |
| 60 | } | |
| 61 | - | |
| 62 | - ib_get_eth_speed(ibdev, port, &props->active_speed, | |
| 63 | - &props->active_width); | |
| 64 | + irdma_get_eth_speed_and_width(SPEED_100000, &props->active_speed, | |
| 65 | + &props->active_width); | |
| 66 | ||
| 67 | if (rdma_protocol_roce(ibdev, 1)) { | |
| 68 | props->gid_tbl_len = 32; |