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[SCSI] libfc fcoe: increase ELS and CT timeouts

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The FC-LS spec. says ELS timeouts should be 2 x R_A_TOV.
The FC-GS spec. says CT timeouts should be 3 x R_A_TOV.

We've been using E_D_TOV for both of those.

Change for all ELS and CT requests except FLOGI, which we
leave at 2 seconds (using E_D_TOV).  One could argue that
R_A_TOV is locally determined until after FLOGI succeeds.

This does change FLOGI for vports which becomes FDISC.
This does not change the REC/SRR timeout which is 2 seconds.

Signed-off-by: Joe Eykholt <jeykholt@cisco.com>
Signed-off-by: Robert Love <robert.w.love@intel.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
This commit is contained in:
Joe Eykholt
2009-11-03 11:50:21 -08:00
committed by James Bottomley
parent be276cbe1b
commit b94f8951bf
4 changed files with 22 additions and 12 deletions
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5
drivers/scsi/libfc/fc_disc.c
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@@ -370,7 +370,7 @@ static void fc_disc_gpn_ft_req(struct fc_disc *disc)
if (lport->tt.elsct_send(lport, 0, fp,
FC_NS_GPN_FT,
fc_disc_gpn_ft_resp,
disc, lport->e_d_tov))
disc, 3 * lport->r_a_tov))
return;
err:
fc_disc_error(disc, NULL);
@@ -654,7 +654,8 @@ static int fc_disc_gpn_id_req(struct fc_lport *lport,
if (!fp)
return -ENOMEM;
if (!lport->tt.elsct_send(lport, rdata->ids.port_id, fp, FC_NS_GPN_ID,
fc_disc_gpn_id_resp, rdata, lport->e_d_tov))
fc_disc_gpn_id_resp, rdata,
3 * lport->r_a_tov))
return -ENOMEM;
kref_get(&rdata->kref);
return 0;