diff options
| author | Konstantin Taranov <kotaranov@microsoft.com> | 2024-04-10 01:42:28 -0700 |
|---|---|---|
| committer | Leon Romanovsky <leon@kernel.org> | 2024-04-16 14:28:26 +0300 |
| commit | 4bda1d5332ec1b00262ad53f6a4cfa88190a048d (patch) | |
| tree | af1e199cc50cdf00a8f122b8686460fd21ab6da1 /drivers/infiniband/hw/mana/main.c | |
| parent | 1a79c2b9d4a08788cf1554981f10d23fbad77d11 (diff) | |
RDMA/mana_ib: Implement port parameters
Implement port parameters for RNIC:
1) extend query_port() method
2) implement get_link_layer()
3) implement query_pkey()
Only port 1 can store GIDs.
Signed-off-by: Konstantin Taranov <kotaranov@microsoft.com>
Link: https://lore.kernel.org/r/1712738551-22075-4-git-send-email-kotaranov@linux.microsoft.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Diffstat (limited to 'drivers/infiniband/hw/mana/main.c')
| -rw-r--r-- | drivers/infiniband/hw/mana/main.c | 37 |
1 files changed, 36 insertions, 1 deletions
diff --git a/drivers/infiniband/hw/mana/main.c b/drivers/infiniband/hw/mana/main.c index 344e85f4940d..b2817c92f1c0 100644 --- a/drivers/infiniband/hw/mana/main.c +++ b/drivers/infiniband/hw/mana/main.c @@ -555,7 +555,42 @@ int mana_ib_query_device(struct ib_device *ibdev, struct ib_device_attr *props, int mana_ib_query_port(struct ib_device *ibdev, u32 port, struct ib_port_attr *props) { - /* This version doesn't return port properties */ + struct net_device *ndev = mana_ib_get_netdev(ibdev, port); + + if (!ndev) + return -EINVAL; + + memset(props, 0, sizeof(*props)); + props->max_mtu = IB_MTU_4096; + props->active_mtu = ib_mtu_int_to_enum(ndev->mtu); + + if (netif_carrier_ok(ndev) && netif_running(ndev)) { + props->state = IB_PORT_ACTIVE; + props->phys_state = IB_PORT_PHYS_STATE_LINK_UP; + } else { + props->state = IB_PORT_DOWN; + props->phys_state = IB_PORT_PHYS_STATE_DISABLED; + } + + props->active_width = IB_WIDTH_4X; + props->active_speed = IB_SPEED_EDR; + props->pkey_tbl_len = 1; + if (port == 1) + props->gid_tbl_len = 16; + + return 0; +} + +enum rdma_link_layer mana_ib_get_link_layer(struct ib_device *device, u32 port_num) +{ + return IB_LINK_LAYER_ETHERNET; +} + +int mana_ib_query_pkey(struct ib_device *ibdev, u32 port, u16 index, u16 *pkey) +{ + if (index != 0) + return -EINVAL; + *pkey = IB_DEFAULT_PKEY_FULL; return 0; } |