diff options
Diffstat (limited to 'drivers/net/ethernet/stmicro/stmmac/stmmac_selftests.c')
| -rw-r--r-- | drivers/net/ethernet/stmicro/stmmac/stmmac_selftests.c | 96 |
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) |