diff options
author | David S. Miller <davem@davemloft.net> | 2009-12-11 17:12:17 -0800 |
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committer | David S. Miller <davem@davemloft.net> | 2009-12-11 17:12:17 -0800 |
commit | 501706565b2d4d2d40d0d301d5411ede099b8a6f (patch) | |
tree | 142a18bf1f1e74a09dbfa27540b893ade0fd797d /drivers/scsi/libfc/fc_elsct.c | |
parent | e93737b0f0159a61772894943199fd3b6f315641 (diff) | |
parent | 2fe77b81c77eed92c4c0439f74c8148a295b4a86 (diff) |
Merge branch 'master' of /home/davem/src/GIT/linux-2.6/
Conflicts:
include/net/tcp.h
Diffstat (limited to 'drivers/scsi/libfc/fc_elsct.c')
-rw-r--r-- | drivers/scsi/libfc/fc_elsct.c | 79 |
1 files changed, 60 insertions, 19 deletions
diff --git a/drivers/scsi/libfc/fc_elsct.c b/drivers/scsi/libfc/fc_elsct.c index 5cfa68732e9..53748724f2c 100644 --- a/drivers/scsi/libfc/fc_elsct.c +++ b/drivers/scsi/libfc/fc_elsct.c @@ -28,17 +28,22 @@ #include <scsi/libfc.h> #include <scsi/fc_encode.h> -/* - * fc_elsct_send - sends ELS/CT frame +/** + * fc_elsct_send() - Send an ELS or CT frame + * @lport: The local port to send the frame on + * @did: The destination ID for the frame + * @fp: The frame to be sent + * @op: The operational code + * @resp: The callback routine when the response is received + * @arg: The argument to pass to the response callback routine + * @timer_msec: The timeout period for the frame (in msecs) */ -static struct fc_seq *fc_elsct_send(struct fc_lport *lport, - u32 did, - struct fc_frame *fp, - unsigned int op, - void (*resp)(struct fc_seq *, - struct fc_frame *fp, - void *arg), - void *arg, u32 timer_msec) +struct fc_seq *fc_elsct_send(struct fc_lport *lport, u32 did, + struct fc_frame *fp, unsigned int op, + void (*resp)(struct fc_seq *, + struct fc_frame *, + void *), + void *arg, u32 timer_msec) { enum fc_rctl r_ctl; enum fc_fh_type fh_type; @@ -53,15 +58,22 @@ static struct fc_seq *fc_elsct_send(struct fc_lport *lport, did = FC_FID_DIR_SERV; } - if (rc) + if (rc) { + fc_frame_free(fp); return NULL; + } fc_fill_fc_hdr(fp, r_ctl, did, fc_host_port_id(lport->host), fh_type, FC_FC_FIRST_SEQ | FC_FC_END_SEQ | FC_FC_SEQ_INIT, 0); return lport->tt.exch_seq_send(lport, fp, resp, NULL, arg, timer_msec); } +EXPORT_SYMBOL(fc_elsct_send); +/** + * fc_elsct_init() - Initialize the ELS/CT layer + * @lport: The local port to initialize the ELS/CT layer for + */ int fc_elsct_init(struct fc_lport *lport) { if (!lport->tt.elsct_send) @@ -72,12 +84,15 @@ int fc_elsct_init(struct fc_lport *lport) EXPORT_SYMBOL(fc_elsct_init); /** - * fc_els_resp_type() - return string describing ELS response for debug. - * @fp: frame pointer with possible error code. + * fc_els_resp_type() - Return a string describing the ELS response + * @fp: The frame pointer or possible error code */ const char *fc_els_resp_type(struct fc_frame *fp) { const char *msg; + struct fc_frame_header *fh; + struct fc_ct_hdr *ct; + if (IS_ERR(fp)) { switch (-PTR_ERR(fp)) { case FC_NO_ERR: @@ -94,15 +109,41 @@ const char *fc_els_resp_type(struct fc_frame *fp) break; } } else { - switch (fc_frame_payload_op(fp)) { - case ELS_LS_ACC: - msg = "accept"; + fh = fc_frame_header_get(fp); + switch (fh->fh_type) { + case FC_TYPE_ELS: + switch (fc_frame_payload_op(fp)) { + case ELS_LS_ACC: + msg = "accept"; + break; + case ELS_LS_RJT: + msg = "reject"; + break; + default: + msg = "response unknown ELS"; + break; + } break; - case ELS_LS_RJT: - msg = "reject"; + case FC_TYPE_CT: + ct = fc_frame_payload_get(fp, sizeof(*ct)); + if (ct) { + switch (ntohs(ct->ct_cmd)) { + case FC_FS_ACC: + msg = "CT accept"; + break; + case FC_FS_RJT: + msg = "CT reject"; + break; + default: + msg = "response unknown CT"; + break; + } + } else { + msg = "short CT response"; + } break; default: - msg = "response unknown ELS"; + msg = "response not ELS or CT"; break; } } |