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Subject[PATCH 3/3] 24-bit types: Convert Open-FCoE to use __be24 type and macros
Date
This converts the Open-FCoE tree to use the common 24-bit types

Signed-off-by: Chris Leech <christopher.leech@intel.com>
---

drivers/scsi/fcoe/fcoe_dev.c | 6 +++---
drivers/scsi/libfc/fc_exch.c | 24 ++++++++++++------------
drivers/scsi/libfc/fc_fcp.c | 2 +-
drivers/scsi/libfc/fc_lport.c | 8 ++++----
drivers/scsi/libfc/fc_ns.c | 14 +++++++-------
drivers/scsi/libfc/fc_rport.c | 4 ++--
include/scsi/fc/fc_els.h | 18 +++++++++---------
include/scsi/fc/fc_fcoe.h | 6 ++----
include/scsi/fc/fc_fs.h | 8 ++++----
include/scsi/fc/fc_gs.h | 2 +-
include/scsi/fc/fc_ns.h | 6 +++---
include/scsi/libfc/libfc.h | 13 -------------
12 files changed, 48 insertions(+), 63 deletions(-)


diff --git a/drivers/scsi/fcoe/fcoe_dev.c b/drivers/scsi/fcoe/fcoe_dev.c
index d5a354f..d5fc479 100644
--- a/drivers/scsi/fcoe/fcoe_dev.c
+++ b/drivers/scsi/fcoe/fcoe_dev.c
@@ -233,7 +233,7 @@ int fcoe_xmit(struct fc_lport *lp, struct fc_frame *fp)
* MAC in this case would have been set by receving the
* FLOGI.
*/
- fc_fcoe_set_mac(fc->data_src_addr, fh->fh_s_id);
+ fc_fcoe_set_mac(fc->data_src_addr, &fh->fh_s_id);
fc->flogi_progress = 0;
}
}
@@ -311,7 +311,7 @@ int fcoe_xmit(struct fc_lport *lp, struct fc_frame *fp)
skb->ip_summed = CHECKSUM_NONE;
eh = (struct ethhdr *)skb_push(skb, hlen + sizeof(struct ethhdr));
if (fc->address_mode == FCOE_FCOUI_ADDR_MODE)
- fc_fcoe_set_mac(eh->h_dest, fh->fh_d_id);
+ fc_fcoe_set_mac(eh->h_dest, &fh->fh_d_id);
else
/* insert GW address */
memcpy(eh->h_dest, fc->dest_addr, ETH_ALEN);
@@ -516,7 +516,7 @@ static void fcoe_recv_flogi(struct fcoe_softc *fc, struct fc_frame *fp, u8 *sa)
if (compare_ether_addr(fc->data_src_addr, (u8[6]) { 0 }))
dev_unicast_delete(fc->real_dev, fc->data_src_addr,
ETH_ALEN);
- fc_fcoe_set_mac(fc->data_src_addr, fh->fh_d_id);
+ fc_fcoe_set_mac(fc->data_src_addr, &fh->fh_d_id);
dev_unicast_add(fc->real_dev, fc->data_src_addr, ETH_ALEN);
rtnl_unlock();

diff --git a/drivers/scsi/libfc/fc_exch.c b/drivers/scsi/libfc/fc_exch.c
index 11a03bd..9fd011b 100644
--- a/drivers/scsi/libfc/fc_exch.c
+++ b/drivers/scsi/libfc/fc_exch.c
@@ -278,8 +278,8 @@ static void fc_seq_fill_hdr(struct fc_seq *sp, struct fc_frame *fp)

ep = fc_seq_exch(sp);

- hton24(fh->fh_s_id, ep->sid);
- hton24(fh->fh_d_id, ep->did);
+ fh->fh_s_id = hton24(ep->sid);
+ fh->fh_d_id = hton24(ep->did);
fh->fh_ox_id = htons(ep->oxid);
fh->fh_rx_id = htons(ep->rxid);
fh->fh_seq_id = sp->id;
@@ -892,7 +892,7 @@ int fc_seq_send(struct fc_lport *lp, struct fc_seq *sp,
fr_eof(fp) = FC_EOF_N;
}

- hton24(fh->fh_f_ctl, f_ctl | fill);
+ fh->fh_f_ctl = hton24(f_ctl | fill);
fh->fh_seq_cnt = htons(sp->cnt++);

/*
@@ -992,7 +992,7 @@ static void fc_seq_send_ack(struct fc_seq *sp, const struct fc_frame *rx_fp)
FC_FC_END_SEQ | FC_FC_END_CONN | FC_FC_SEQ_INIT |
FC_FC_RETX_SEQ | FC_FC_UNI_TX;
f_ctl ^= FC_FC_EX_CTX | FC_FC_SEQ_CTX;
- hton24(fh->fh_f_ctl, f_ctl);
+ fh->fh_f_ctl = hton24(f_ctl);

fh->fh_seq_id = rx_fh->fh_seq_id;
fh->fh_seq_cnt = rx_fh->fh_seq_cnt;
@@ -1039,8 +1039,8 @@ fc_exch_send_ba_rjt(struct fc_frame *rx_fp, enum fc_ba_rjt_reason reason,
/*
* seq_id, cs_ctl, df_ctl and param/offset are zero.
*/
- memcpy(fh->fh_s_id, rx_fh->fh_d_id, 3);
- memcpy(fh->fh_d_id, rx_fh->fh_s_id, 3);
+ fh->fh_s_id = rx_fh->fh_d_id;
+ fh->fh_d_id = rx_fh->fh_s_id;
fh->fh_ox_id = rx_fh->fh_rx_id;
fh->fh_rx_id = rx_fh->fh_ox_id;
fh->fh_seq_cnt = rx_fh->fh_seq_cnt;
@@ -1062,7 +1062,7 @@ fc_exch_send_ba_rjt(struct fc_frame *rx_fp, enum fc_ba_rjt_reason reason,
f_ctl ^= FC_FC_EX_CTX | FC_FC_SEQ_CTX;
f_ctl |= FC_FC_LAST_SEQ | FC_FC_END_SEQ;
f_ctl &= ~FC_FC_FIRST_SEQ;
- hton24(fh->fh_f_ctl, f_ctl);
+ fh->fh_f_ctl = hton24(f_ctl);

fr_sof(fp) = fc_sof_class(fr_sof(rx_fp));
fr_eof(fp) = FC_EOF_T;
@@ -1607,12 +1607,12 @@ static void fc_exch_els_rec(struct fc_seq *sp, struct fc_frame *rfp)
memset(acc, 0, sizeof(*acc));
acc->reca_cmd = ELS_LS_ACC;
acc->reca_ox_id = rp->rec_ox_id;
- memcpy(acc->reca_ofid, rp->rec_s_id, 3);
+ acc->reca_ofid = rp->rec_s_id;
acc->reca_rx_id = htons(ep->rxid);
if (ep->sid == ep->oid)
- hton24(acc->reca_rfid, ep->did);
+ acc->reca_rfid = hton24(ep->did);
else
- hton24(acc->reca_rfid, ep->sid);
+ acc->reca_rfid = hton24(ep->sid);
acc->reca_fc4value = htonl(ep->seq.rec_data);
acc->reca_e_stat = htonl(ep->esb_stat & (ESB_ST_RESP |
ESB_ST_SEQ_INIT |
@@ -1704,7 +1704,7 @@ static void fc_exch_rrq(struct fc_exch *ep)
rrq = fc_frame_payload_get(fp, sizeof(*rrq));
memset(rrq, 0, sizeof(*rrq));
rrq->rrq_cmd = ELS_RRQ;
- hton24(rrq->rrq_s_id, ep->sid);
+ rrq->rrq_s_id = hton24(ep->sid);
rrq->rrq_ox_id = htons(ep->oxid);
rrq->rrq_rx_id = htons(ep->rxid);

@@ -1906,7 +1906,7 @@ struct fc_seq *fc_exch_seq_send(struct fc_lport *lp,
}
f_ctl |= ep->f_ctl;
fh = fc_frame_header_get(fp);
- hton24(fh->fh_f_ctl, f_ctl | fill);
+ fh->fh_f_ctl = hton24(f_ctl | fill);
fh->fh_seq_cnt = htons(sp->cnt++);

if (unlikely(lp->tt.frame_send(lp, fp)))
diff --git a/drivers/scsi/libfc/fc_fcp.c b/drivers/scsi/libfc/fc_fcp.c
index 9402eba..6c24724 100644
--- a/drivers/scsi/libfc/fc_fcp.c
+++ b/drivers/scsi/libfc/fc_fcp.c
@@ -1332,7 +1332,7 @@ static void fc_fcp_rec(struct fc_fcp_pkt *fsp)
rec = fc_frame_payload_get(fp, sizeof(*rec));
memset(rec, 0, sizeof(*rec));
rec->rec_cmd = ELS_REC;
- hton24(rec->rec_s_id, lp->fid);
+ rec->rec_s_id = hton24(lp->fid);
rec->rec_ox_id = htons(ox_id);
rec->rec_rx_id = htons(rx_id);

diff --git a/drivers/scsi/libfc/fc_lport.c b/drivers/scsi/libfc/fc_lport.c
index b06f519..ad5c5b1 100644
--- a/drivers/scsi/libfc/fc_lport.c
+++ b/drivers/scsi/libfc/fc_lport.c
@@ -244,8 +244,8 @@ static void fc_lport_rnid_req(struct fc_seq *sp, struct fc_frame *in_fp,
rp->rnid.rnid_cmd = ELS_LS_ACC;
rp->rnid.rnid_fmt = fmt;
rp->rnid.rnid_cid_len = sizeof(rp->cid);
- rp->cid.rnid_wwpn = htonll(lp->wwpn);
- rp->cid.rnid_wwnn = htonll(lp->wwnn);
+ rp->cid.rnid_wwpn = cpu_to_be64(lp->wwpn);
+ rp->cid.rnid_wwnn = cpu_to_be64(lp->wwnn);
if (fmt == ELS_RNIDF_GEN) {
rp->rnid.rnid_sid_len = sizeof(rp->gen);
memcpy(&rp->gen, &lp->rnid_gen,
@@ -747,8 +747,8 @@ static void fc_lport_enter_logo(struct fc_lport *lp)
logo = fc_frame_payload_get(fp, sizeof(*logo));
memset(logo, 0, sizeof(*logo));
logo->fl_cmd = ELS_LOGO;
- hton24(logo->fl_n_port_id, lp->fid);
- logo->fl_n_port_wwn = htonll(lp->wwpn);
+ logo->fl_n_port_id = hton24(lp->fid);
+ logo->fl_n_port_wwn = cpu_to_be64(lp->wwpn);

fc_frame_setup(fp, FC_RCTL_ELS_REQ, FC_TYPE_ELS);
fc_frame_set_offset(fp, 0);
diff --git a/drivers/scsi/libfc/fc_ns.c b/drivers/scsi/libfc/fc_ns.c
index 6204bcc..c280913 100644
--- a/drivers/scsi/libfc/fc_ns.c
+++ b/drivers/scsi/libfc/fc_ns.c
@@ -265,7 +265,7 @@ static void fc_ns_enter_reg_ft(struct fc_lport *lp)
FC_NS_RFT_ID,
sizeof(*req) -
sizeof(struct fc_ct_hdr));
- hton24(req->fid.fp_fid, lp->fid);
+ req->fid.fp_fid = hton24(lp->fid);
req->fts = *lps;
fc_frame_setup(fp, FC_RCTL_DD_UNSOL_CTL, FC_TYPE_CT);
if (!lp->tt.exch_seq_send(lp, fp,
@@ -774,7 +774,7 @@ static int fc_ns_gpn_ft_parse(struct fc_lport *lp, void *buf, size_t len)
break;
dp->lp = lp;
dp->ids.port_id = ntoh24(np->fp_fid);
- dp->ids.port_name = ntohll(np->fp_wwpn);
+ dp->ids.port_name = be64_to_cpu(np->fp_wwpn);
dp->ids.node_name = -1;
dp->ids.roles = FC_RPORT_ROLE_UNKNOWN;
error = fc_ns_gnn_id_req(lp, dp);
@@ -934,7 +934,7 @@ static int fc_ns_gpn_id_req(struct fc_lport *lp, struct fc_ns_port *dp)

cp = fc_frame_payload_get(fp, sizeof(*cp));
fc_ns_fill_dns_hdr(lp, &cp->ct, FC_NS_GPN_ID, sizeof(cp->fid));
- hton24(cp->fid.fp_fid, dp->ids.port_id);
+ cp->fid.fp_fid = hton24(dp->ids.port_id);

WARN_ON(!fc_lport_test_ready(lp));

@@ -989,7 +989,7 @@ static void fc_ns_gpn_id_resp(struct fc_seq *sp, struct fc_frame *fp,
fr_len(fp));
break;
}
- dp->ids.port_name = ntohll(cp->wwn);
+ dp->ids.port_name = be64_to_cpu(cp->wwn);
fc_ns_gnn_id_req(lp, dp);
break;
case FC_FS_RJT:
@@ -1137,7 +1137,7 @@ static void fc_ns_enter_reg_pn(struct fc_lport *lp)
req = fc_frame_payload_get(fp, sizeof(*req));
memset(req, 0, sizeof(*req));
fc_lport_fill_dns_hdr(lp, &req->ct, FC_NS_RPN_ID, sizeof(req->rn));
- hton24(req->rn.fr_fid.fp_fid, lp->fid);
+ req->rn.fr_fid.fp_fid = hton24(lp->fid);
put_unaligned_be64(lp->wwpn, &req->rn.fr_wwn);
fc_frame_setup(fp, FC_RCTL_DD_UNSOL_CTL, FC_TYPE_CT);
if (!lp->tt.exch_seq_send(lp, fp,
@@ -1191,7 +1191,7 @@ static int fc_ns_gnn_id_req(struct fc_lport *lp, struct fc_ns_port *dp)

cp = fc_frame_payload_get(fp, sizeof(*cp));
fc_ns_fill_dns_hdr(lp, &cp->ct, FC_NS_GNN_ID, sizeof(cp->fid));
- hton24(cp->fid.fp_fid, dp->ids.port_id);
+ cp->fid.fp_fid = hton24(dp->ids.port_id);

WARN_ON(!fc_lport_test_ready(lp));

@@ -1246,7 +1246,7 @@ static void fc_ns_gnn_id_resp(struct fc_seq *sp, struct fc_frame *fp,
fr_len(fp));
break;
}
- dp->ids.node_name = ntohll(cp->wwn);
+ dp->ids.node_name = be64_to_cpu(cp->wwn);
fc_ns_new_target(lp, NULL, &dp->ids);
break;
case FC_FS_RJT:
diff --git a/drivers/scsi/libfc/fc_rport.c b/drivers/scsi/libfc/fc_rport.c
index cd559dd..0ca4c12 100644
--- a/drivers/scsi/libfc/fc_rport.c
+++ b/drivers/scsi/libfc/fc_rport.c
@@ -857,8 +857,8 @@ static void fc_rport_enter_logo(struct fc_rport *rport)
logo = fc_frame_payload_get(fp, sizeof(*logo));
memset(logo, 0, sizeof(*logo));
logo->fl_cmd = ELS_LOGO;
- hton24(logo->fl_n_port_id, lp->fid);
- logo->fl_n_port_wwn = htonll(lp->wwpn);
+ logo->fl_n_port_id = hton24(lp->fid);
+ logo->fl_n_port_wwn = cpu_to_be64(lp->wwpn);

fc_frame_setup(fp, FC_RCTL_ELS_REQ, FC_TYPE_ELS);
if (!lp->tt.exch_seq_send(lp, fp,
diff --git a/include/scsi/fc/fc_els.h b/include/scsi/fc/fc_els.h
index af4bf0c..c1cfe21 100644
--- a/include/scsi/fc/fc_els.h
+++ b/include/scsi/fc/fc_els.h
@@ -357,7 +357,7 @@ struct fc_els_rrq {
__u8 rrq_cmd; /* command (0x12) */
__u8 rrq_zero[3]; /* specified as zero - part of cmd */
__u8 rrq_resvd; /* reserved */
- __u8 rrq_s_id[3]; /* originator FID */
+ __be24 rrq_s_id; /* originator FID */
__be16 rrq_ox_id; /* originator exchange ID */
__be16 rrq_rx_id; /* responders exchange ID */
};
@@ -369,7 +369,7 @@ struct fc_els_rec {
__u8 rec_cmd; /* command (0x13) */
__u8 rec_zero[3]; /* specified as zero - part of cmd */
__u8 rec_resvd; /* reserved */
- __u8 rec_s_id[3]; /* originator FID */
+ __be24 rec_s_id; /* originator FID */
__be16 rec_ox_id; /* originator exchange ID */
__be16 rec_rx_id; /* responders exchange ID */
};
@@ -383,9 +383,9 @@ struct fc_els_rec_acc {
__be16 reca_ox_id; /* originator exchange ID */
__be16 reca_rx_id; /* responders exchange ID */
__u8 reca_resvd1; /* reserved */
- __u8 reca_ofid[3]; /* originator FID */
+ __be24 reca_ofid; /* originator FID */
__u8 reca_resvd2; /* reserved */
- __u8 reca_rfid[3]; /* responder FID */
+ __be24 reca_rfid; /* responder FID */
__be32 reca_fc4value; /* FC4 value */
__be32 reca_e_stat; /* ESB (exchange status block) status */
};
@@ -407,7 +407,7 @@ struct fc_els_logo {
__u8 fl_cmd; /* command code */
__u8 fl_zero[3]; /* specified as zero - part of cmd */
__u8 fl_resvd; /* reserved */
- __u8 fl_n_port_id[3];/* N port ID */
+ __be24 fl_n_port_id; /* N port ID */
__be64 fl_n_port_wwn; /* port name */
};

@@ -465,7 +465,7 @@ struct fc_els_rscn {

struct fc_els_rscn_page {
__u8 rscn_page_flags; /* event and address format */
- __u8 rscn_fid[3]; /* fabric ID */
+ __be24 rscn_fid; /* fabric ID */
};

#define ELS_RSCN_EV_QUAL_BIT 2 /* shift count for event qualifier */
@@ -598,7 +598,7 @@ struct fc_els_rpl {
struct fc_els_pnb {
__be32 pnb_phys_pn; /* physical port number */
__u8 pnb_resv; /* reserved */
- __u8 pnb_port_id[3]; /* port ID */
+ __be24 pnb_port_id; /* port ID */
__be64 pnb_wwpn; /* port name */
};

@@ -709,7 +709,7 @@ enum fc_els_srl_flag {
struct fc_els_rls {
__u8 rls_cmd; /* command */
__u8 rls_resv[4]; /* reserved - must be zero */
- __u8 rls_port_id[3]; /* port ID */
+ __be24 rls_port_id; /* port ID */
};

/*
@@ -741,7 +741,7 @@ struct fc_els_clir {
__be64 clir_wwpn; /* incident port name */
__be64 clir_wwnn; /* incident port node name */
__u8 clir_port_type; /* incident port type */
- __u8 clir_port_id[3]; /* incident port ID */
+ __be24 clir_port_id; /* incident port ID */

__be64 clir_conn_wwpn; /* connected port name */
__be64 clir_conn_wwnn; /* connected node name */
diff --git a/include/scsi/fc/fc_fcoe.h b/include/scsi/fc/fc_fcoe.h
index b2e07ec..4c0f692 100644
--- a/include/scsi/fc/fc_fcoe.h
+++ b/include/scsi/fc/fc_fcoe.h
@@ -83,14 +83,12 @@ struct fcoe_crc_eof {
/*
* Store OUI + DID into MAC address field.
*/
-static inline void fc_fcoe_set_mac(u8 *mac, u8 *did)
+static inline void fc_fcoe_set_mac(u8 *mac, __be24 *did)
{
mac[0] = (u8) (FC_FCOE_OUI >> 16);
mac[1] = (u8) (FC_FCOE_OUI >> 8);
mac[2] = (u8) FC_FCOE_OUI;
- mac[3] = did[0];
- mac[4] = did[1];
- mac[5] = did[2];
+ *(__be24 *) &mac[3] = *did;
}

/*
diff --git a/include/scsi/fc/fc_fs.h b/include/scsi/fc/fc_fs.h
index ba6df64..125ba15 100644
--- a/include/scsi/fc/fc_fs.h
+++ b/include/scsi/fc/fc_fs.h
@@ -29,14 +29,14 @@
* Frame header
*/
struct fc_frame_header {
- __u8 fh_r_ctl; /* routing control */
- __u8 fh_d_id[3]; /* Destination ID */
+ __u8 fh_r_ctl; /* routing control */
+ __be24 fh_d_id; /* Destination ID */

__u8 fh_cs_ctl; /* class of service control / pri */
- __u8 fh_s_id[3]; /* Source ID */
+ __be24 fh_s_id; /* Source ID */

__u8 fh_type; /* see enum fc_fh_type below */
- __u8 fh_f_ctl[3]; /* frame control */
+ __be24 fh_f_ctl; /* frame control */

__u8 fh_seq_id; /* sequence ID */
__u8 fh_df_ctl; /* data field control */
diff --git a/include/scsi/fc/fc_gs.h b/include/scsi/fc/fc_gs.h
index ffab027..fb082bf 100644
--- a/include/scsi/fc/fc_gs.h
+++ b/include/scsi/fc/fc_gs.h
@@ -27,7 +27,7 @@

struct fc_ct_hdr {
__u8 ct_rev; /* revision */
- __u8 ct_in_id[3]; /* N_Port ID of original requestor */
+ __be24 ct_in_id; /* N_Port ID of original requestor */
__u8 ct_fs_type; /* type of fibre channel service */
__u8 ct_fs_subtype; /* subtype */
__u8 ct_options;
diff --git a/include/scsi/fc/fc_ns.h b/include/scsi/fc/fc_ns.h
index 790d7b9..44c3019 100644
--- a/include/scsi/fc/fc_ns.h
+++ b/include/scsi/fc/fc_ns.h
@@ -76,7 +76,7 @@ struct fc_ns_pt_obj {
*/
struct fc_ns_fid {
__u8 fp_flags; /* flags for responses only */
- __u8 fp_fid[3];
+ __be24 fp_fid;
};

/*
@@ -119,7 +119,7 @@ struct fc_ns_gid_ft {
*/
struct fc_gpn_ft_resp {
__u8 fp_flags; /* see fp_flags definitions above */
- __u8 fp_fid[3]; /* port ID */
+ __be24 fp_fid; /* port ID */
__be32 fp_resvd;
__be64 fp_wwpn; /* port name */
};
@@ -136,7 +136,7 @@ struct fc_ns_gid_pn {
*/
struct fc_gid_pn_resp {
__u8 fp_resvd;
- __u8 fp_fid[3]; /* port ID */
+ __be24 fp_fid; /* port ID */
};

/*
diff --git a/include/scsi/libfc/libfc.h b/include/scsi/libfc/libfc.h
index d8ec019..bfe91cf 100644
--- a/include/scsi/libfc/libfc.h
+++ b/include/scsi/libfc/libfc.h
@@ -53,19 +53,6 @@
#define FC_EX_TIMEOUT 1 /* Exchange timeout */
#define FC_EX_CLOSED 2 /* Exchange closed */

-/* some helpful macros */
-
-#define ntohll(x) be64_to_cpu(x)
-#define htonll(x) cpu_to_be64(x)
-
-#define ntoh24(p) (((p)[0] << 16) | ((p)[1] << 8) | ((p)[2]))
-
-#define hton24(p, v) do { \
- p[0] = (((v) >> 16) & 0xFF); \
- p[1] = (((v) >> 8) & 0xFF); \
- p[2] = ((v) & 0xFF); \
-} while (0)
-
struct fc_exch_mgr;

/*


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