Messages in this thread Patch in this message | | | From | Vladimir Oltean <> | Subject | [PATCH v2 net-next 04/12] net: stmmac: deny tc-taprio changes to per-tc max SDU | Date | Fri, 23 Sep 2022 19:33:02 +0300 |
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Since the driver does not act upon the max_sdu argument, deny any other values except the default all-zeroes, which means that all traffic classes should use the same MTU as the port itself.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com> --- v1->v2: none
drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c index 773e415cc2de..8e9c7d54fb4c 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c @@ -922,13 +922,17 @@ static int tc_setup_taprio(struct stmmac_priv *priv, struct plat_stmmacenet_data *plat = priv->plat; struct timespec64 time, current_time, qopt_time; ktime_t current_time_ns; + int i, tc, ret = 0; bool fpe = false; - int i, ret = 0; u64 ctr; if (!priv->dma_cap.estsel) return -EOPNOTSUPP; + for (tc = 0; tc < TC_MAX_QUEUE; tc++) + if (qopt->max_sdu[tc]) + return -EOPNOTSUPP; + switch (wid) { case 0x1: wid = 16; -- 2.34.1
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