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IB/hfi1: Enhance PIO/SDMA send for 16B

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PIO/SDMA send logic now uses the hdr_type field to determine
the type of packet that has been constructed. Based on the hdr_type,
certain things such as PBC flags, padding count and the LT extra
trailing bytes are determined.

Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Dasaratharaman Chandramouli <dasaratharaman.chandramouli@intel.com>
Signed-off-by: Don Hiatt <don.hiatt@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Don Hiatt
2017-08-04 13:54:47 -07:00
committed by Doug Ledford
parent 5b6cabb0db
commit 566d53a826
4 changed files with 134 additions and 71 deletions
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7
drivers/infiniband/hw/hfi1/user_sdma.c
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@@ -502,6 +502,8 @@ int hfi1_user_sdma_process_request(struct hfi1_filedata *fd,
struct sdma_req_info info;
struct user_sdma_request *req;
u8 opcode, sc, vl;
u16 pkey;
u32 slid;
int req_queued = 0;
u16 dlid;
u32 selector;
@@ -635,8 +637,9 @@ int hfi1_user_sdma_process_request(struct hfi1_filedata *fd,
}
/* Checking P_KEY for requests from user-space */
if (egress_pkey_check(dd->pport, req->hdr.lrh, req->hdr.bth, sc,
PKEY_CHECK_INVALID)) {
pkey = (u16)be32_to_cpu(req->hdr.bth[0]);
slid = be16_to_cpu(req->hdr.lrh[3]);
if (egress_pkey_check(dd->pport, slid, pkey, sc, PKEY_CHECK_INVALID)) {
ret = -EINVAL;
goto free_req;
}