From 6a551c113252ca05d0f4ca307aa6d7118d0a5e45 Mon Sep 17 00:00:00 2001 From: Hannes Reinecke Date: Mon, 4 Jul 2016 10:29:18 +0200 Subject: [PATCH] fc_fip: Update to latest FC-BB-6 draft Update to latest FC-BB-6 draft to include FIP VN2VN VLAN notifications and additional flags. Signed-off-by: Hannes Reinecke Acked-by: Johannes Thumshirn Signed-off-by: Martin K. Petersen --- drivers/scsi/fcoe/fcoe_ctlr.c | 8 ++++---- drivers/scsi/fnic/fnic_fcs.c | 4 ++-- drivers/scsi/fnic/fnic_fip.h | 8 -------- include/scsi/fc/fc_fip.h | 21 +++++++++++++++++---- 4 files changed, 23 insertions(+), 18 deletions(-) diff --git a/drivers/scsi/fcoe/fcoe_ctlr.c b/drivers/scsi/fcoe/fcoe_ctlr.c index ada4bdec9a4c..34b2b43f70e3 100644 --- a/drivers/scsi/fcoe/fcoe_ctlr.c +++ b/drivers/scsi/fcoe/fcoe_ctlr.c @@ -991,7 +991,7 @@ static int fcoe_ctlr_parse_adv(struct fcoe_ctlr *fip, LIBFCOE_FIP_DBG(fip, "unexpected descriptor type %x " "in FIP adv\n", desc->fip_dtype); /* standard says ignore unknown descriptors >= 128 */ - if (desc->fip_dtype < FIP_DT_VENDOR_BASE) + if (desc->fip_dtype < FIP_DT_NON_CRITICAL) return -EINVAL; break; } @@ -1232,7 +1232,7 @@ static void fcoe_ctlr_recv_els(struct fcoe_ctlr *fip, struct sk_buff *skb) LIBFCOE_FIP_DBG(fip, "unexpected descriptor type %x " "in FIP adv\n", desc->fip_dtype); /* standard says ignore unknown descriptors >= 128 */ - if (desc->fip_dtype < FIP_DT_VENDOR_BASE) + if (desc->fip_dtype < FIP_DT_NON_CRITICAL) goto drop; if (desc_cnt <= 2) { LIBFCOE_FIP_DBG(fip, "FIP descriptors " @@ -1410,7 +1410,7 @@ static void fcoe_ctlr_recv_clr_vlink(struct fcoe_ctlr *fip, break; default: /* standard says ignore unknown descriptors >= 128 */ - if (desc->fip_dtype < FIP_DT_VENDOR_BASE) + if (desc->fip_dtype < FIP_DT_NON_CRITICAL) goto err; break; } @@ -2338,7 +2338,7 @@ static int fcoe_ctlr_vn_parse(struct fcoe_ctlr *fip, LIBFCOE_FIP_DBG(fip, "unexpected descriptor type %x " "in FIP probe\n", dtype); /* standard says ignore unknown descriptors >= 128 */ - if (dtype < FIP_DT_VENDOR_BASE) + if (dtype < FIP_DT_NON_CRITICAL) return -EINVAL; break; } diff --git a/drivers/scsi/fnic/fnic_fcs.c b/drivers/scsi/fnic/fnic_fcs.c index 67669a9e73c1..fe402d0cdbc3 100644 --- a/drivers/scsi/fnic/fnic_fcs.c +++ b/drivers/scsi/fnic/fnic_fcs.c @@ -359,7 +359,7 @@ static void fnic_fcoe_send_vlan_req(struct fnic *fnic) vlan->fip.fip_ver = FIP_VER_ENCAPS(FIP_VER); vlan->fip.fip_op = htons(FIP_OP_VLAN); - vlan->fip.fip_subcode = FIP_SC_VL_REQ; + vlan->fip.fip_subcode = FIP_SC_VL_NOTE; vlan->fip.fip_dl_len = htons(sizeof(vlan->desc) / FIP_BPW); vlan->desc.mac.fd_desc.fip_dtype = FIP_DT_MAC; @@ -551,7 +551,7 @@ static int fnic_fcoe_handle_fip_frame(struct fnic *fnic, struct sk_buff *skb) goto drop; /* pass it on to fcoe */ ret = 1; - } else if (op == FIP_OP_VLAN && sub == FIP_SC_VL_REP) { + } else if (op == FIP_OP_VLAN && sub == FIP_SC_VL_NOTE) { /* set the vlan as used */ fnic_fcoe_process_vlan_resp(fnic, skb); ret = 0; diff --git a/drivers/scsi/fnic/fnic_fip.h b/drivers/scsi/fnic/fnic_fip.h index 87e74c2ab971..7761f33ab5d4 100644 --- a/drivers/scsi/fnic/fnic_fip.h +++ b/drivers/scsi/fnic/fnic_fip.h @@ -26,14 +26,6 @@ #define FINC_MAX_FLOGI_REJECTS 8 -/* - * FIP_DT_VLAN descriptor. - */ -struct fip_vlan_desc { - struct fip_desc fd_desc; - __be16 fd_vlan; -} __attribute__((packed)); - struct vlan { __be16 vid; __be16 type; diff --git a/include/scsi/fc/fc_fip.h b/include/scsi/fc/fc_fip.h index ae25d4ab2548..9710254fd98c 100644 --- a/include/scsi/fc/fc_fip.h +++ b/include/scsi/fc/fc_fip.h @@ -22,7 +22,7 @@ /* * This version is based on: * http://www.t11.org/ftp/t11/pub/fc/bb-5/08-543v1.pdf - * and T11 FC-BB-6 10-019v4.pdf (June 2010 VN2VN proposal) + * and T11 FC-BB-6 13-091v5.pdf (December 2013 VN2VN proposal) */ #define FIP_DEF_PRI 128 /* default selection priority */ @@ -109,8 +109,9 @@ enum fip_reset_subcode { * Subcodes for FIP_OP_VLAN. */ enum fip_vlan_subcode { - FIP_SC_VL_REQ = 1, /* request */ - FIP_SC_VL_REP = 2, /* reply */ + FIP_SC_VL_REQ = 1, /* vlan request */ + FIP_SC_VL_NOTE = 2, /* vlan notification */ + FIP_SC_VL_VN2VN_NOTE = 3, /* VN2VN vlan notification */ }; /* @@ -130,6 +131,8 @@ enum fip_vn2vn_subcode { enum fip_flag { FIP_FL_FPMA = 0x8000, /* supports FPMA fabric-provided MACs */ FIP_FL_SPMA = 0x4000, /* supports SPMA server-provided MACs */ + FIP_FL_FCF = 0x0020, /* originated from a controlling FCF */ + FIP_FL_FDF = 0x0010, /* originated from an FDF */ FIP_FL_REC_OR_P2P = 0x0008, /* configured addr or point-to-point */ FIP_FL_AVAIL = 0x0004, /* available for FLOGI/ELP */ FIP_FL_SOL = 0x0002, /* this is a solicited message */ @@ -161,7 +164,9 @@ enum fip_desc_type { FIP_DT_VLAN = 14, /* vlan number */ FIP_DT_FC4F = 15, /* FC-4 features */ FIP_DT_LIMIT, /* max defined desc_type + 1 */ - FIP_DT_VENDOR_BASE = 128, /* first vendor-specific desc_type */ + FIP_DT_NON_CRITICAL = 128, /* First non-critical descriptor */ + FIP_DT_CLR_VLINKS = 128, /* Clear virtual links reason code */ + FIP_DT_VENDOR_BASE = 241, /* first vendor-specific desc_type */ }; /* @@ -258,6 +263,14 @@ enum fip_fka_flags { /* FIP_DT_FKA flags */ +/* + * FIP_DT_VLAN descriptor + */ +struct fip_vlan_desc { + struct fip_desc fd_desc; + __be16 fd_vlan; /* Note: highest 4 bytes are unused */ +} __attribute__((packed)); + /* * FIP_DT_FC4F - FC-4 features. */