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| author | Kamal Heib <kamalheib1@gmail.com> | 2020-07-21 13:16:18 +0300 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@nvidia.com> | 2020-07-31 16:17:56 -0300 |
| commit | 76251e15ea73898b62ed0da3210189e50e1fe3c9 (patch) | |
| tree | feafb95183f04bc25074b574a535888ed0ab7e42 /drivers/infiniband/sw/rxe/rxe_recv.c | |
| parent | 928da37a229f344424ffc89c9a58feb2368bb018 (diff) | |
| download | lwn-76251e15ea73898b62ed0da3210189e50e1fe3c9.tar.gz lwn-76251e15ea73898b62ed0da3210189e50e1fe3c9.zip | |
RDMA/rxe: Remove pkey table
The RoCE spec requires RoCE devices to support only the default pkey.
However the rxe driver maintains a 64 enties pkey table and uses only the
first entry. Remove the pkey table and hard code a table of length one
hard wired with the default pkey. Replace all checks of the pkey_table
with a comparison to the default_pkey instead.
Link: https://lore.kernel.org/r/20200721101618.686110-1-kamalheib1@gmail.com
Signed-off-by: Kamal Heib <kamalheib1@gmail.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Diffstat (limited to 'drivers/infiniband/sw/rxe/rxe_recv.c')
| -rw-r--r-- | drivers/infiniband/sw/rxe/rxe_recv.c | 29 |
1 files changed, 4 insertions, 25 deletions
diff --git a/drivers/infiniband/sw/rxe/rxe_recv.c b/drivers/infiniband/sw/rxe/rxe_recv.c index 46e111c218fd..7e123d3c4d09 100644 --- a/drivers/infiniband/sw/rxe/rxe_recv.c +++ b/drivers/infiniband/sw/rxe/rxe_recv.c @@ -101,36 +101,15 @@ static void set_qkey_viol_cntr(struct rxe_port *port) static int check_keys(struct rxe_dev *rxe, struct rxe_pkt_info *pkt, u32 qpn, struct rxe_qp *qp) { - int i; - int found_pkey = 0; struct rxe_port *port = &rxe->port; u16 pkey = bth_pkey(pkt); pkt->pkey_index = 0; - if (qpn == 1) { - for (i = 0; i < port->attr.pkey_tbl_len; i++) { - if (pkey_match(pkey, port->pkey_tbl[i])) { - pkt->pkey_index = i; - found_pkey = 1; - break; - } - } - - if (!found_pkey) { - pr_warn_ratelimited("bad pkey = 0x%x\n", pkey); - set_bad_pkey_cntr(port); - goto err1; - } - } else { - if (unlikely(!pkey_match(pkey, - port->pkey_tbl[qp->attr.pkey_index] - ))) { - pr_warn_ratelimited("bad pkey = 0x%0x\n", pkey); - set_bad_pkey_cntr(port); - goto err1; - } - pkt->pkey_index = qp->attr.pkey_index; + if (!pkey_match(pkey, IB_DEFAULT_PKEY_FULL)) { + pr_warn_ratelimited("bad pkey = 0x%x\n", pkey); + set_bad_pkey_cntr(port); + goto err1; } if ((qp_type(qp) == IB_QPT_UD || qp_type(qp) == IB_QPT_GSI) && |