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authorRalph Wuerthner <rwuerthn@de.ibm.com>2006-05-22 18:24:33 +0200
committerJames Bottomley <jejb@mulgrave.il.steeleye.com>2006-05-28 18:45:15 +0200
commit75bfc2837bbcc329193d51e8b7115184b78beae0 (patch)
tree6d1511fce28948bd134f7148a996c04dc04e9d32 /drivers/s390/scsi/zfcp_aux.c
parent[SCSI] zfcp: print bit error threshold data human readable (diff)
downloadlinux-75bfc2837bbcc329193d51e8b7115184b78beae0.tar.xz
linux-75bfc2837bbcc329193d51e8b7115184b78beae0.zip
[SCSI] zfcp: evaluate plogi payload to set maxframe_size, supported_classes of rports
Signed-off-by: Ralph Wuerthner <rwuerthn@de.ibm.com> Signed-off-by: Andreas Herrmann <aherrman@de.ibm.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Diffstat (limited to 'drivers/s390/scsi/zfcp_aux.c')
-rw-r--r--drivers/s390/scsi/zfcp_aux.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/s390/scsi/zfcp_aux.c b/drivers/s390/scsi/zfcp_aux.c
index bdaad5535e22..9cd789b8acd4 100644
--- a/drivers/s390/scsi/zfcp_aux.c
+++ b/drivers/s390/scsi/zfcp_aux.c
@@ -1748,4 +1748,25 @@ zfcp_handle_els_rjt(u32 sq, struct zfcp_ls_rjt_par *rjt_par)
return ret;
}
+/**
+ * zfcp_plogi_evaluate - evaluate PLOGI playload and copy important fields
+ * into zfcp_port structure
+ * @port: zfcp_port structure
+ * @plogi: plogi payload
+ */
+void
+zfcp_plogi_evaluate(struct zfcp_port *port, struct fsf_plogi *plogi)
+{
+ port->maxframe_size = plogi->serv_param.common_serv_param[7] |
+ ((plogi->serv_param.common_serv_param[6] & 0x0F) << 8);
+ if (plogi->serv_param.class1_serv_param[0] & 0x80)
+ port->supported_classes |= FC_COS_CLASS1;
+ if (plogi->serv_param.class2_serv_param[0] & 0x80)
+ port->supported_classes |= FC_COS_CLASS2;
+ if (plogi->serv_param.class3_serv_param[0] & 0x80)
+ port->supported_classes |= FC_COS_CLASS3;
+ if (plogi->serv_param.class4_serv_param[0] & 0x80)
+ port->supported_classes |= FC_COS_CLASS4;
+}
+
#undef ZFCP_LOG_AREA