diff options
Diffstat (limited to 'target/linux/layerscape/patches-5.4/701-net-0341-LF-368-net-mscc-ocelot-add-VCAP-IS2-rule-to-trap-PTP.patch')
-rw-r--r-- | target/linux/layerscape/patches-5.4/701-net-0341-LF-368-net-mscc-ocelot-add-VCAP-IS2-rule-to-trap-PTP.patch | 60 |
1 files changed, 0 insertions, 60 deletions
diff --git a/target/linux/layerscape/patches-5.4/701-net-0341-LF-368-net-mscc-ocelot-add-VCAP-IS2-rule-to-trap-PTP.patch b/target/linux/layerscape/patches-5.4/701-net-0341-LF-368-net-mscc-ocelot-add-VCAP-IS2-rule-to-trap-PTP.patch deleted file mode 100644 index 817d449e01..0000000000 --- a/target/linux/layerscape/patches-5.4/701-net-0341-LF-368-net-mscc-ocelot-add-VCAP-IS2-rule-to-trap-PTP.patch +++ /dev/null @@ -1,60 +0,0 @@ -From 67ca04147efac6cac3f7490c61c817a84daada57 Mon Sep 17 00:00:00 2001 -From: Yangbo Lu <yangbo.lu@nxp.com> -Date: Thu, 28 Nov 2019 14:42:44 +0800 -Subject: [PATCH] LF-368 net: mscc: ocelot: add VCAP IS2 rule to trap PTP - Ethernet frames - -All the PTP messages over Ethernet have etype 0x88f7 on them. -Use etype as the key to trap PTP messages. - -Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com> ---- - drivers/net/ethernet/mscc/ocelot.c | 23 +++++++++++++++++++++++ - 1 file changed, 23 insertions(+) - ---- a/drivers/net/ethernet/mscc/ocelot.c -+++ b/drivers/net/ethernet/mscc/ocelot.c -@@ -2337,6 +2337,20 @@ void ocelot_set_cpu_port(struct ocelot * - } - EXPORT_SYMBOL(ocelot_set_cpu_port); - -+/* Entry for PTP over Ethernet (etype 0x88f7) -+ * Action: trap to CPU port -+ */ -+static struct ocelot_ace_rule ptp_rule = { -+ .prio = 1, -+ .type = OCELOT_ACE_TYPE_ETYPE, -+ .dmac_mc = OCELOT_VCAP_BIT_1, -+ .action = OCELOT_ACL_ACTION_TRAP, -+ .frame.etype.etype.value[0] = 0x88, -+ .frame.etype.etype.value[1] = 0xf7, -+ .frame.etype.etype.mask[0] = 0xff, -+ .frame.etype.etype.mask[1] = 0xff, -+}; -+ - int ocelot_init(struct ocelot *ocelot) - { - char queue_name[32]; -@@ -2474,6 +2488,13 @@ int ocelot_init(struct ocelot *ocelot) - "Timestamp initialization failed\n"); - return ret; - } -+ -+ /* Available on all ingress port except CPU port */ -+ ptp_rule.ocelot = ocelot; -+ ptp_rule.ingress_port_mask = -+ GENMASK(ocelot->num_phys_ports - 1, 0); -+ ptp_rule.ingress_port_mask &= ~BIT(ocelot->cpu); -+ ocelot_ace_rule_offload_add(&ptp_rule); - } - - return 0; -@@ -2488,6 +2509,8 @@ void ocelot_deinit(struct ocelot *ocelot - cancel_delayed_work(&ocelot->stats_work); - destroy_workqueue(ocelot->stats_queue); - mutex_destroy(&ocelot->stats_lock); -+ if (ocelot->ptp) -+ ocelot_ace_rule_offload_del(&ptp_rule); - ocelot_ace_deinit(); - if (ocelot->ptp_clock) - ptp_clock_unregister(ocelot->ptp_clock); |