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soc/qman: Clean up CGR CSCN target update operations 

Signed-off-by: Claudiu Manoil <claudiu.manoil@nxp.com>
Signed-off-by: Scott Wood <oss@buserror.net>
This commit is contained in:
Claudiu Manoil 2016-11-16 16:40:29 +02:00 committed by Scott Wood
parent efe848cdb7
commit 496bfa11de
2 changed files with 25 additions and 16 deletions
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37
drivers/soc/fsl/qbman/qman.c
View File

@ -2248,7 +2248,23 @@ static int qm_modify_cgr(struct qman_cgr *cgr, u32 flags,
}
#define PORTAL_IDX(n) (n->config->channel - QM_CHANNEL_SWPORTAL0)
#define TARG_MASK(n) (BIT(31) >> PORTAL_IDX(n))
/* congestion state change notification target update control */
static void qm_cgr_cscn_targ_set(struct __qm_mc_cgr *cgr, int pi, u32 val)
{
if (qman_ip_rev >= QMAN_REV30)
cgr->cscn_targ_upd_ctrl = QM_CGR_TARG_UDP_CTRL_WRITE_BIT | pi;
else
cgr->cscn_targ = val | QM_CGR_TARG_PORTAL(pi);
}
static void qm_cgr_cscn_targ_clear(struct __qm_mc_cgr *cgr, int pi, u32 val)
{
if (qman_ip_rev >= QMAN_REV30)
cgr->cscn_targ_upd_ctrl = pi;
else
cgr->cscn_targ = val & ~QM_CGR_TARG_PORTAL(pi);
}
static u8 qman_cgr_cpus[CGR_NUM];
@ -2298,13 +2314,8 @@ int qman_create_cgr(struct qman_cgr *cgr, u32 flags,
if (ret)
goto out;
if ((qman_ip_rev & 0xFF00) >= QMAN_REV30)
local_opts.cgr.cscn_targ_upd_ctrl =
QM_CGR_TARG_UDP_CTRL_WRITE_BIT | PORTAL_IDX(p);
else
/* Overwrite TARG */
local_opts.cgr.cscn_targ = cgr_state.cgr.cscn_targ |
TARG_MASK(p);
qm_cgr_cscn_targ_set(&local_opts.cgr, PORTAL_IDX(p),
cgr_state.cgr.cscn_targ);
local_opts.we_mask |= QM_CGR_WE_CSCN_TARG;
/* send init if flags indicate so */
@ -2371,13 +2382,11 @@ int qman_delete_cgr(struct qman_cgr *cgr)
list_add(&cgr->node, &p->cgr_cbs);
goto release_lock;
}
/* Overwrite TARG */
local_opts.we_mask = QM_CGR_WE_CSCN_TARG;
if ((qman_ip_rev & 0xFF00) >= QMAN_REV30)
local_opts.cgr.cscn_targ_upd_ctrl = PORTAL_IDX(p);
else
local_opts.cgr.cscn_targ = cgr_state.cgr.cscn_targ &
~(TARG_MASK(p));
qm_cgr_cscn_targ_clear(&local_opts.cgr, PORTAL_IDX(p),
cgr_state.cgr.cscn_targ);
ret = qm_modify_cgr(cgr, 0, &local_opts);
if (ret)
/* add back to the list */

4
include/soc/fsl/qman.h
View File

@ -553,8 +553,8 @@ struct __qm_mc_cgr {
u8 cscn_en; /* boolean, use QM_CGR_EN */
union {
struct {
u16 cscn_targ_upd_ctrl; /* use QM_CSCN_TARG_UDP_ */
u16 cscn_targ_dcp_low; /* CSCN_TARG_DCP low-16bits */
u16 cscn_targ_upd_ctrl; /* use QM_CGR_TARG_UDP_* */
u16 cscn_targ_dcp_low;
};
u32 cscn_targ; /* use QM_CGR_TARG_* */
};