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31c37a6f21
SCSI errors were generated while writing to LUNs connected via NPIV ports. Debugging this it was found that the FCoE packets transmitted via the NPIV ports were not tagged with correct user priority as negotiated with peer by DCB agent. This resulted in FCoE traffic going with priority zero(0) that did not have priority flow control (PFC) enabled for it. The initiator after transferring data to the target never saw any reply indicating the transfer was complete. This resulted in error recovery (ABTS) and SCSI command retries by the scsi-mid layer; eventually resulting in I/O errors. This patch fixes this issue by keeping the FCoE user priority information in the fcoe_interface instance that is common for both the physical port as well as NPIV ports connected to that physical port; instead of storing it in fcoe_port structure that has a per port instance. Signed-off-by: Neerav Parikh <Neerav.Parikh@intel.com> Acked-by: Yi Zou <yi.zou@intel.com> Acked-by: John Fastabend <john.r.fastabend@intel.com> Tested-by: Marcus Dennis <marcusx.e.dennis@intel.com> Signed-off-by: Robert Love <robert.w.love@intel.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com> |
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| .. | ||
| fcoe_ctlr.c | ||
| fcoe_sysfs.c | ||
| fcoe_transport.c | ||
| fcoe.c | ||
| fcoe.h | ||
| libfcoe.h | ||
| Makefile | ||