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authorLinus Torvalds <torvalds@linux-foundation.org>2020-01-28 16:02:33 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2020-01-28 16:02:33 -0800
commitbd2463ac7d7ec51d432f23bf0e893fb371a908cd (patch)
tree3da32c23be83adb9d9bda7e51b51fa39f69f2447 /drivers/net/ethernet/stmicro/stmmac/stmmac_selftests.c
parentMerge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 (diff)
parentnet: phy: add default ARCH_BCM_IPROC for MDIO_BCM_IPROC (diff)
downloadlinux-bd2463ac7d7ec51d432f23bf0e893fb371a908cd.tar.xz
linux-bd2463ac7d7ec51d432f23bf0e893fb371a908cd.zip
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next
Pull networking updates from David Miller: 1) Add WireGuard 2) Add HE and TWT support to ath11k driver, from John Crispin. 3) Add ESP in TCP encapsulation support, from Sabrina Dubroca. 4) Add variable window congestion control to TIPC, from Jon Maloy. 5) Add BCM84881 PHY driver, from Russell King. 6) Start adding netlink support for ethtool operations, from Michal Kubecek. 7) Add XDP drop and TX action support to ena driver, from Sameeh Jubran. 8) Add new ipv4 route notifications so that mlxsw driver does not have to handle identical routes itself. From Ido Schimmel. 9) Add BPF dynamic program extensions, from Alexei Starovoitov. 10) Support RX and TX timestamping in igc, from Vinicius Costa Gomes. 11) Add support for macsec HW offloading, from Antoine Tenart. 12) Add initial support for MPTCP protocol, from Christoph Paasch, Matthieu Baerts, Florian Westphal, Peter Krystad, and many others. 13) Add Octeontx2 PF support, from Sunil Goutham, Geetha sowjanya, Linu Cherian, and others. * git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (1469 commits) net: phy: add default ARCH_BCM_IPROC for MDIO_BCM_IPROC udp: segment looped gso packets correctly netem: change mailing list qed: FW 8.42.2.0 debug features qed: rt init valid initialization changed qed: Debug feature: ilt and mdump qed: FW 8.42.2.0 Add fw overlay feature qed: FW 8.42.2.0 HSI changes qed: FW 8.42.2.0 iscsi/fcoe changes qed: Add abstraction for different hsi values per chip qed: FW 8.42.2.0 Additional ll2 type qed: Use dmae to write to widebus registers in fw_funcs qed: FW 8.42.2.0 Parser offsets modified qed: FW 8.42.2.0 Queue Manager changes qed: FW 8.42.2.0 Expose new registers and change windows qed: FW 8.42.2.0 Internal ram offsets modifications MAINTAINERS: Add entry for Marvell OcteonTX2 Physical Function driver Documentation: net: octeontx2: Add RVU HW and drivers overview octeontx2-pf: ethtool RSS config support octeontx2-pf: Add basic ethtool support ...
Diffstat (limited to 'drivers/net/ethernet/stmicro/stmmac/stmmac_selftests.c')
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/stmmac_selftests.c96
1 files changed, 77 insertions, 19 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_selftests.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_selftests.c
index 450d7dac3ea6..2aba2673d6c3 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_selftests.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_selftests.c
@@ -14,6 +14,7 @@
#include <linux/phy.h>
#include <linux/udp.h>
#include <net/pkt_cls.h>
+#include <net/pkt_sched.h>
#include <net/tcp.h>
#include <net/udp.h>
#include <net/tc_act/tc_gact.h>
@@ -50,6 +51,7 @@ struct stmmac_packet_attrs {
u8 id;
int sarc;
u16 queue_mapping;
+ u64 timestamp;
};
static u8 stmmac_test_next_id;
@@ -208,6 +210,9 @@ static struct sk_buff *stmmac_test_get_udp_skb(struct stmmac_priv *priv,
skb->pkt_type = PACKET_HOST;
skb->dev = priv->dev;
+ if (attr->timestamp)
+ skb->tstamp = ns_to_ktime(attr->timestamp);
+
return skb;
}
@@ -341,8 +346,7 @@ static int __stmmac_test_loopback(struct stmmac_priv *priv,
goto cleanup;
}
- skb_set_queue_mapping(skb, attr->queue_mapping);
- ret = dev_queue_xmit(skb);
+ ret = dev_direct_xmit(skb, attr->queue_mapping);
if (ret)
goto cleanup;
@@ -932,8 +936,7 @@ static int __stmmac_test_vlanfilt(struct stmmac_priv *priv)
goto vlan_del;
}
- skb_set_queue_mapping(skb, 0);
- ret = dev_queue_xmit(skb);
+ ret = dev_direct_xmit(skb, 0);
if (ret)
goto vlan_del;
@@ -1027,8 +1030,7 @@ static int __stmmac_test_dvlanfilt(struct stmmac_priv *priv)
goto vlan_del;
}
- skb_set_queue_mapping(skb, 0);
- ret = dev_queue_xmit(skb);
+ ret = dev_direct_xmit(skb, 0);
if (ret)
goto vlan_del;
@@ -1298,8 +1300,7 @@ static int stmmac_test_vlanoff_common(struct stmmac_priv *priv, bool svlan)
__vlan_hwaccel_put_tag(skb, htons(proto), tpriv->vlan_id);
skb->protocol = htons(proto);
- skb_set_queue_mapping(skb, 0);
- ret = dev_queue_xmit(skb);
+ ret = dev_direct_xmit(skb, 0);
if (ret)
goto vlan_del;
@@ -1659,8 +1660,7 @@ static int stmmac_test_arpoffload(struct stmmac_priv *priv)
if (ret)
goto cleanup;
- skb_set_queue_mapping(skb, 0);
- ret = dev_queue_xmit(skb);
+ ret = dev_direct_xmit(skb, 0);
if (ret)
goto cleanup_promisc;
@@ -1748,6 +1748,68 @@ static int stmmac_test_sph(struct stmmac_priv *priv)
return 0;
}
+static int stmmac_test_tbs(struct stmmac_priv *priv)
+{
+#define STMMAC_TBS_LT_OFFSET (500 * 1000 * 1000) /* 500 ms*/
+ struct stmmac_packet_attrs attr = { };
+ struct tc_etf_qopt_offload qopt;
+ u64 start_time, curr_time = 0;
+ unsigned long flags;
+ int ret, i;
+
+ if (!priv->hwts_tx_en)
+ return -EOPNOTSUPP;
+
+ /* Find first TBS enabled Queue, if any */
+ for (i = 0; i < priv->plat->tx_queues_to_use; i++)
+ if (priv->tx_queue[i].tbs & STMMAC_TBS_AVAIL)
+ break;
+
+ if (i >= priv->plat->tx_queues_to_use)
+ return -EOPNOTSUPP;
+
+ qopt.enable = true;
+ qopt.queue = i;
+
+ ret = stmmac_tc_setup_etf(priv, priv, &qopt);
+ if (ret)
+ return ret;
+
+ spin_lock_irqsave(&priv->ptp_lock, flags);
+ stmmac_get_systime(priv, priv->ptpaddr, &curr_time);
+ spin_unlock_irqrestore(&priv->ptp_lock, flags);
+
+ if (!curr_time) {
+ ret = -EOPNOTSUPP;
+ goto fail_disable;
+ }
+
+ start_time = curr_time;
+ curr_time += STMMAC_TBS_LT_OFFSET;
+
+ attr.dst = priv->dev->dev_addr;
+ attr.timestamp = curr_time;
+ attr.timeout = nsecs_to_jiffies(2 * STMMAC_TBS_LT_OFFSET);
+ attr.queue_mapping = i;
+
+ ret = __stmmac_test_loopback(priv, &attr);
+ if (ret)
+ goto fail_disable;
+
+ /* Check if expected time has elapsed */
+ spin_lock_irqsave(&priv->ptp_lock, flags);
+ stmmac_get_systime(priv, priv->ptpaddr, &curr_time);
+ spin_unlock_irqrestore(&priv->ptp_lock, flags);
+
+ if ((curr_time - start_time) < STMMAC_TBS_LT_OFFSET)
+ ret = -EINVAL;
+
+fail_disable:
+ qopt.enable = false;
+ stmmac_tc_setup_etf(priv, priv, &qopt);
+ return ret;
+}
+
#define STMMAC_LOOPBACK_NONE 0
#define STMMAC_LOOPBACK_MAC 1
#define STMMAC_LOOPBACK_PHY 2
@@ -1881,6 +1943,10 @@ static const struct stmmac_test {
.name = "Split Header ",
.lb = STMMAC_LOOPBACK_PHY,
.fn = stmmac_test_sph,
+ }, {
+ .name = "TBS (ETF Scheduler) ",
+ .lb = STMMAC_LOOPBACK_PHY,
+ .fn = stmmac_test_tbs,
},
};
@@ -1889,7 +1955,6 @@ void stmmac_selftest_run(struct net_device *dev,
{
struct stmmac_priv *priv = netdev_priv(dev);
int count = stmmac_selftest_get_count(priv);
- int carrier = netif_carrier_ok(dev);
int i, ret;
memset(buf, 0, sizeof(*buf) * count);
@@ -1899,15 +1964,12 @@ void stmmac_selftest_run(struct net_device *dev,
netdev_err(priv->dev, "Only offline tests are supported\n");
etest->flags |= ETH_TEST_FL_FAILED;
return;
- } else if (!carrier) {
+ } else if (!netif_carrier_ok(dev)) {
netdev_err(priv->dev, "You need valid Link to execute tests\n");
etest->flags |= ETH_TEST_FL_FAILED;
return;
}
- /* We don't want extra traffic */
- netif_carrier_off(dev);
-
/* Wait for queues drain */
msleep(200);
@@ -1962,10 +2024,6 @@ void stmmac_selftest_run(struct net_device *dev,
break;
}
}
-
- /* Restart everything */
- if (carrier)
- netif_carrier_on(dev);
}
void stmmac_selftest_get_strings(struct stmmac_priv *priv, u8 *data)