diff options
author | Mike Marciniszyn <mike.marciniszyn@cornelisnetworks.com> | 2022-02-08 22:25:09 +0300 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-04-08 15:23:37 +0300 |
commit | c5505076073bb9fb540bb0c27a6e7e006fbaf93d (patch) | |
tree | 59dce4949220e542561ee198c4eb5607b4a72efe /drivers/infiniband/hw | |
parent | 4124966fbd95eeecca26d52433f393e2b9649a33 (diff) | |
download | linux-c5505076073bb9fb540bb0c27a6e7e006fbaf93d.tar.xz |
IB/hfi1: Allow larger MTU without AIP
[ Upstream commit b135e324d7a2e7fa0a7ef925076136e799b79f44 ]
The AIP code signals the phys_mtu in the following query_port()
fragment:
props->phys_mtu = HFI1_CAP_IS_KSET(AIP) ? hfi1_max_mtu :
ib_mtu_enum_to_int(props->max_mtu);
Using the largest MTU possible should not depend on AIP.
Fix by unconditionally using the hfi1_max_mtu value.
Fixes: 6d72344cf6c4 ("IB/ipoib: Increase ipoib Datagram mode MTU's upper limit")
Link: https://lore.kernel.org/r/1644348309-174874-1-git-send-email-mike.marciniszyn@cornelisnetworks.com
Reviewed-by: Dennis Dalessandro <dennis.dalessandro@cornelisnetworks.com>
Signed-off-by: Mike Marciniszyn <mike.marciniszyn@cornelisnetworks.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/infiniband/hw')
-rw-r--r-- | drivers/infiniband/hw/hfi1/verbs.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/infiniband/hw/hfi1/verbs.c b/drivers/infiniband/hw/hfi1/verbs.c index 26bea51869bf..ef8e0bdacb51 100644 --- a/drivers/infiniband/hw/hfi1/verbs.c +++ b/drivers/infiniband/hw/hfi1/verbs.c @@ -1397,8 +1397,7 @@ static int query_port(struct rvt_dev_info *rdi, u32 port_num, 4096 : hfi1_max_mtu), IB_MTU_4096); props->active_mtu = !valid_ib_mtu(ppd->ibmtu) ? props->max_mtu : mtu_to_enum(ppd->ibmtu, IB_MTU_4096); - props->phys_mtu = HFI1_CAP_IS_KSET(AIP) ? hfi1_max_mtu : - ib_mtu_enum_to_int(props->max_mtu); + props->phys_mtu = hfi1_max_mtu; return 0; } |