Fix FC protocol errors:
- Fix multi-frame unsolicited sequences not queued properly
- Fix frames for unsolicited sequences not being associated with sequence.
- Fix unsolicited frame buffer sizes are not set properly
- Fix Sequence count for unsolicited frame headers not byte swapped.
- Fix Multi-frame sequence response frames go to wrong DID.
Signed-off-by: James Smart <james.smart@xxxxxxxxxx>
---
drivers/scsi/lpfc/lpfc_hw4.h | 2 +-
drivers/scsi/lpfc/lpfc_sli.c | 21 ++++++++++++++-------
2 files changed, 15 insertions(+), 8 deletions(-)
diff --git a/drivers/scsi/lpfc/lpfc_hw4.h b/drivers/scsi/lpfc/lpfc_hw4.h
index 1585148..09c8e36 100644
--- a/drivers/scsi/lpfc/lpfc_hw4.h
+++ b/drivers/scsi/lpfc/lpfc_hw4.h
@@ -1013,7 +1013,7 @@ struct lpfc_mbx_wq_destroy {
};
#define LPFC_HDR_BUF_SIZE 128
-#define LPFC_DATA_BUF_SIZE 4096
+#define LPFC_DATA_BUF_SIZE 2048
struct rq_context {
uint32_t word0;
#define lpfc_rq_context_rq_size_SHIFT 16
diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c
index 7935667..50f72bf 100644
--- a/drivers/scsi/lpfc/lpfc_sli.c
+++ b/drivers/scsi/lpfc/lpfc_sli.c
@@ -5848,7 +5848,6 @@ lpfc_sli4_iocb2wqe(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq,
iocbq->iocb.un.ulpWord[3]);
wqe->generic.word3 = 0;
bf_set(wqe_rcvoxid, &wqe->generic, iocbq->iocb.ulpContext);
- bf_set(wqe_xc, &wqe->generic, 1);
/* The entire sequence is transmitted for this IOCB */
xmit_len = total_len;
cmnd = CMD_XMIT_SEQUENCE64_CR;
@@ -10944,7 +10943,8 @@ lpfc_fc_frame_add(struct lpfc_vport *vport, struct hbq_dmabuf *dmabuf)
return dmabuf;
}
temp_hdr = seq_dmabuf->hbuf.virt;
- if (new_hdr->fh_seq_cnt < temp_hdr->fh_seq_cnt) {
+ if (be16_to_cpu(new_hdr->fh_seq_cnt) <
+ be16_to_cpu(temp_hdr->fh_seq_cnt)) {
list_del_init(&seq_dmabuf->hbuf.list);
list_add_tail(&dmabuf->hbuf.list, &vport->rcv_buffer_list);
list_add_tail(&dmabuf->dbuf.list, &seq_dmabuf->dbuf.list);
@@ -10955,6 +10955,11 @@ lpfc_fc_frame_add(struct lpfc_vport *vport, struct hbq_dmabuf *dmabuf)
list_move_tail(&seq_dmabuf->hbuf.list, &vport->rcv_buffer_list);
seq_dmabuf->time_stamp = jiffies;
lpfc_update_rcv_time_stamp(vport);
+ if (list_empty(&seq_dmabuf->dbuf.list)) {
+ temp_hdr = dmabuf->hbuf.virt;
+ list_add_tail(&dmabuf->dbuf.list, &seq_dmabuf->dbuf.list);
+ return seq_dmabuf;
+ }
/* find the correct place in the sequence to insert this frame */
list_for_each_entry_reverse(d_buf, &seq_dmabuf->dbuf.list, list) {
temp_dmabuf = container_of(d_buf, struct hbq_dmabuf, dbuf);
@@ -10963,7 +10968,8 @@ lpfc_fc_frame_add(struct lpfc_vport *vport, struct hbq_dmabuf *dmabuf)
* If the frame's sequence count is greater than the frame on
* the list then insert the frame right after this frame
*/
- if (new_hdr->fh_seq_cnt > temp_hdr->fh_seq_cnt) {
+ if (be16_to_cpu(new_hdr->fh_seq_cnt) >
+ be16_to_cpu(temp_hdr->fh_seq_cnt)) {
list_add(&dmabuf->dbuf.list, &temp_dmabuf->dbuf.list);
return seq_dmabuf;
}
@@ -11210,7 +11216,7 @@ lpfc_seq_complete(struct hbq_dmabuf *dmabuf)
seq_dmabuf = container_of(d_buf, struct hbq_dmabuf, dbuf);
hdr = (struct fc_frame_header *)seq_dmabuf->hbuf.virt;
/* If there is a hole in the sequence count then fail. */
- if (++seq_count != hdr->fh_seq_cnt)
+ if (++seq_count != be16_to_cpu(hdr->fh_seq_cnt))
return 0;
fctl = (hdr->fh_f_ctl[0] << 16 |
hdr->fh_f_ctl[1] << 8 |
@@ -11242,6 +11248,7 @@ lpfc_prep_seq(struct lpfc_vport *vport, struct hbq_dmabuf *seq_dmabuf)
struct lpfc_iocbq *first_iocbq, *iocbq;
struct fc_frame_header *fc_hdr;
uint32_t sid;
+ struct ulp_bde64 *pbde;
fc_hdr = (struct fc_frame_header *)seq_dmabuf->hbuf.virt;
/* remove from receive buffer list */
@@ -11283,8 +11290,9 @@ lpfc_prep_seq(struct lpfc_vport *vport, struct hbq_dmabuf *seq_dmabuf)
if (!iocbq->context3) {
iocbq->context3 = d_buf;
iocbq->iocb.ulpBdeCount++;
- iocbq->iocb.unsli3.rcvsli3.bde2.tus.f.bdeSize =
- LPFC_DATA_BUF_SIZE;
+ pbde = (struct ulp_bde64 *)
+ &iocbq->iocb.unsli3.sli3Words[4];
+ pbde->tus.f.bdeSize = LPFC_DATA_BUF_SIZE;
first_iocbq->iocb.unsli3.rcvsli3.acc_len +=
bf_get(lpfc_rcqe_length,
&seq_dmabuf->cq_event.cqe.rcqe_cmpl);
@@ -11407,7 +11415,6 @@ lpfc_sli4_handle_received_buffer(struct lpfc_hba *phba,
* frame to be freed when it is finished.
**/
lpfc_sli_hbqbuf_fill_hbqs(phba, LPFC_ELS_HBQ, 1);
- dmabuf->tag = -1;
return;
}
/* Send the complete sequence to the upper layer protocol */
--
1.6.5.2
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