diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/scsi/fcoe/fcoe.c | 19 |
1 files changed, 17 insertions, 2 deletions
diff --git a/drivers/scsi/fcoe/fcoe.c b/drivers/scsi/fcoe/fcoe.c index 2f47ae7cce91..354bf9d3d15e 100644 --- a/drivers/scsi/fcoe/fcoe.c +++ b/drivers/scsi/fcoe/fcoe.c @@ -704,12 +704,27 @@ static int fcoe_shost_config(struct fc_lport *lport, struct Scsi_Host *shost, * The offload EM that this routine is associated with will handle any * packets that are for SCSI read requests. * + * This has been enhanced to work when FCoE stack is operating in target + * mode. + * * Returns: True for read types I/O, otherwise returns false. */ bool fcoe_oem_match(struct fc_frame *fp) { - return fc_fcp_is_read(fr_fsp(fp)) && - (fr_fsp(fp)->data_len > fcoe_ddp_min); + struct fc_frame_header *fh = fc_frame_header_get(fp); + struct fcp_cmnd *fcp; + + if (fc_fcp_is_read(fr_fsp(fp)) && + (fr_fsp(fp)->data_len > fcoe_ddp_min)) + return true; + else if (!(ntoh24(fh->fh_f_ctl) & FC_FC_EX_CTX)) { + fcp = fc_frame_payload_get(fp, sizeof(*fcp)); + if (ntohs(fh->fh_rx_id) == FC_XID_UNKNOWN && + fcp && (ntohl(fcp->fc_dl) > fcoe_ddp_min) && + (fcp->fc_flags & FCP_CFL_WRDATA)) + return true; + } + return false; } /** |