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Merge branch 'dsa-hellcreek-fixes'

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Kurt Kanzenbach says:

====================
net: dsa: hellcreek: 802.1Qbv Fixes

while using TAPRIO offloading on the Hirschmann hellcreek switch, I've noticed
two issues in the current implementation:

1. The gate control list is incorrectly programmed
2. The admin base time is not set properly

Fix it.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2021-08-26 10:26:06 +01:00
commit a423cbe0f2
1 changed files with 4 additions and 4 deletions
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8
drivers/net/dsa/hirschmann/hellcreek.c
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@ -1472,9 +1472,6 @@ static void hellcreek_setup_gcl(struct hellcreek *hellcreek, int port,
u16 data;
u8 gates;
cur++;
next++;
if (i == schedule->num_entries)
gates = initial->gate_mask ^
cur->gate_mask;
@ -1503,6 +1500,9 @@ static void hellcreek_setup_gcl(struct hellcreek *hellcreek, int port,
(initial->gate_mask <<
TR_GCLCMD_INIT_GATE_STATES_SHIFT);
hellcreek_write(hellcreek, data, TR_GCLCMD);
cur++;
next++;
}
}
@ -1550,7 +1550,7 @@ static bool hellcreek_schedule_startable(struct hellcreek *hellcreek, int port)
/* Calculate difference to admin base time */
base_time_ns = ktime_to_ns(hellcreek_port->current_schedule->base_time);
return base_time_ns - current_ns < (s64)8 * NSEC_PER_SEC;
return base_time_ns - current_ns < (s64)4 * NSEC_PER_SEC;
}
static void hellcreek_start_schedule(struct hellcreek *hellcreek, int port)