projects / mirror_ubuntu-artful-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| 42e9a92f RL |
1 | /* |
| 2 | * Copyright(c) 2008 Intel Corporation. All rights reserved. | |
| 3 | * | |
| 4 | * This program is free software; you can redistribute it and/or modify it | |
| 5 | * under the terms and conditions of the GNU General Public License, | |
| 6 | * version 2, as published by the Free Software Foundation. | |
| 7 | * | |
| 8 | * This program is distributed in the hope it will be useful, but WITHOUT | |
| 9 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 10 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
| 11 | * more details. | |
| 12 | * | |
| 13 | * You should have received a copy of the GNU General Public License along with | |
| 14 | * this program; if not, write to the Free Software Foundation, Inc., | |
| 15 | * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. | |
| 16 | * | |
| 17 | * Maintained at www.Open-FCoE.org | |
| 18 | */ | |
| 19 | ||
| 20 | /* | |
| 21 | * Provide interface to send ELS/CT FC frames | |
| 22 | */ | |
| 23 | ||
| 24 | #include <asm/unaligned.h> | |
| 25 | #include <scsi/fc/fc_gs.h> | |
| 26 | #include <scsi/fc/fc_ns.h> | |
| 27 | #include <scsi/fc/fc_els.h> | |
| 28 | #include <scsi/libfc.h> | |
| 29 | #include <scsi/fc_encode.h> | |
| 30 | ||
| 31 | /* | |
| 32 | * fc_elsct_send - sends ELS/CT frame | |
| 33 | */ | |
| 34 | static struct fc_seq *fc_elsct_send(struct fc_lport *lport, | |
| a46f327a | 35 | u32 did, |
| 42e9a92f RL |
36 | struct fc_frame *fp, |
| 37 | unsigned int op, | |
| 38 | void (*resp)(struct fc_seq *, | |
| 39 | struct fc_frame *fp, | |
| 40 | void *arg), | |
| 41 | void *arg, u32 timer_msec) | |
| 42 | { | |
| 43 | enum fc_rctl r_ctl; | |
| 42e9a92f RL |
44 | enum fc_fh_type fh_type; |
| 45 | int rc; | |
| 46 | ||
| 47 | /* ELS requests */ | |
| 48 | if ((op >= ELS_LS_RJT) && (op <= ELS_AUTH_ELS)) | |
| a46f327a JE |
49 | rc = fc_els_fill(lport, did, fp, op, &r_ctl, &fh_type); |
| 50 | else { | |
| 42e9a92f | 51 | /* CT requests */ |
| a46f327a JE |
52 | rc = fc_ct_fill(lport, fp, op, &r_ctl, &fh_type); |
| 53 | did = FC_FID_DIR_SERV; | |
| 54 | } | |
| 42e9a92f RL |
55 | |
| 56 | if (rc) | |
| 57 | return NULL; | |
| 58 | ||
| 59 | fc_fill_fc_hdr(fp, r_ctl, did, fc_host_port_id(lport->host), fh_type, | |
| 60 | FC_FC_FIRST_SEQ | FC_FC_END_SEQ | FC_FC_SEQ_INIT, 0); | |
| 61 | ||
| 62 | return lport->tt.exch_seq_send(lport, fp, resp, NULL, arg, timer_msec); | |
| 63 | } | |
| 64 | ||
| 65 | int fc_elsct_init(struct fc_lport *lport) | |
| 66 | { | |
| 67 | if (!lport->tt.elsct_send) | |
| 68 | lport->tt.elsct_send = fc_elsct_send; | |
| 69 | ||
| 70 | return 0; | |
| 71 | } | |
| 72 | EXPORT_SYMBOL(fc_elsct_init); |