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authorHannes Reinecke <hare@suse.de>2016-10-13 16:10:56 +0300
committerMartin K. Petersen <martin.petersen@oracle.com>2016-11-09 01:29:53 +0300
commitc216e8762f96b6bddf043b5788094e0b698dd4b3 (patch)
treec49e44c6ea445414d1398bfc44cf634265f21862 /drivers/scsi/fcoe/fcoe.c
parente0a25286d8acd97ac0b9db5b8b776755fc8b62fa (diff)
downloadlinux-c216e8762f96b6bddf043b5788094e0b698dd4b3.tar.xz
scsi: fcoe: set default TC priority
If DCB is not enabled or compiled in we still should be setting a sane default priority. So put FCoE frames in priority class 'interactive' and FIP frames in priority class 'besteffort'. Signed-off-by: Hannes Reinecke <hare@suse.com> Reviewed-by: Bart Van Assche <bart.vanassche@sandisk.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/fcoe/fcoe.c')
-rw-r--r--drivers/scsi/fcoe/fcoe.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/scsi/fcoe/fcoe.c b/drivers/scsi/fcoe/fcoe.c
index c907661a2ec3..9876fca8946a 100644
--- a/drivers/scsi/fcoe/fcoe.c
+++ b/drivers/scsi/fcoe/fcoe.c
@@ -2168,6 +2168,8 @@ static bool fcoe_match(struct net_device *netdev)
*/
static void fcoe_dcb_create(struct fcoe_interface *fcoe)
{
+ int ctlr_prio = TC_PRIO_BESTEFFORT;
+ int fcoe_prio = TC_PRIO_INTERACTIVE;
#ifdef CONFIG_DCB
int dcbx;
u8 fup, up;
@@ -2194,10 +2196,12 @@ static void fcoe_dcb_create(struct fcoe_interface *fcoe)
fup = dcb_getapp(netdev, &app);
}
- fcoe->priority = ffs(up) ? ffs(up) - 1 : 0;
- ctlr->priority = ffs(fup) ? ffs(fup) - 1 : fcoe->priority;
+ fcoe_prio = ffs(up) ? ffs(up) - 1 : 0;
+ ctlr_prio = ffs(fup) ? ffs(fup) - 1 : fcoe_prio;
}
#endif
+ fcoe->priority = fcoe_prio;
+ ctlr->priority = ctlr_prio;
}
enum fcoe_create_link_state {