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Commit ae97c91e authored by Andrew Vasquez's avatar Andrew Vasquez Committed by James Bottomley
Browse files

[SCSI] qla2xxx: Add firmware ETS burst support. 



Can be used to balance NIC/FCoE traffic distribution.

Cc: stable@kernel.org
Signed-off-by: default avatarAndrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: default avatarGiridhar Malavali <giridhar.malavali@qlogic.com>
Signed-off-by: default avatarJames Bottomley <James.Bottomley@suse.de>
parent bb2d52b2

drivers/scsi/qla2xxx/qla_gbl.h

+1 −0
Original line number Diff line number Diff line
@@ -78,6 +78,7 @@ extern int ql2xiidmaenable; 
extern int ql2xmaxqueues;

extern int ql2xmultique_tag;

extern int ql2xfwloadbin;

extern int ql2xetsenable;



extern int qla2x00_loop_reset(scsi_qla_host_t *);

extern void qla2x00_abort_all_cmds(scsi_qla_host_t *, int);

drivers/scsi/qla2xxx/qla_init.c

+10 −1
Original line number Diff line number Diff line
@@ -4892,6 +4892,15 @@ qla81xx_nvram_config(scsi_qla_host_t *vha) 
}



void

qla81xx_update_fw_options(scsi_qla_host_t *ha)

qla81xx_update_fw_options(scsi_qla_host_t *vha)

{

	struct qla_hw_data *ha = vha->hw;



	if (!ql2xetsenable)

		return;



	/* Enable ETS Burst. */

	memset(ha->fw_options, 0, sizeof(ha->fw_options));

	ha->fw_options[2] |= BIT_9;

	qla2x00_set_fw_options(vha, ha->fw_options);

}

drivers/scsi/qla2xxx/qla_os.c

+6 −0
Original line number Diff line number Diff line
@@ -107,6 +107,12 @@ MODULE_PARM_DESC(ql2xfwloadbin, 
		" 1 -- load firmware from flash.\n"

		" 0 -- use default semantics.\n");



int ql2xetsenable;

module_param(ql2xetsenable, int, S_IRUGO|S_IRUSR);

MODULE_PARM_DESC(ql2xetsenable,

		"Enables firmware ETS burst."

		"Default is 0 - skip ETS enablement.");



/*

 * SCSI host template entry points

 */