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authorLinus Torvalds <torvalds@linux-foundation.org>2019-11-26 07:02:57 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2019-11-26 07:02:57 +0300
commit386403a115f95997c2715691226e11a7b5cffcfd (patch)
treea685df70bd3d5b295683713818ddf0752c3d75b6 /drivers/net/ethernet/mscc/ocelot_board.c
parent642356cb5f4a8c82b5ca5ebac288c327d10df236 (diff)
parent622dc5ad8052f4f0c6b7a12787696a5caa3c6a58 (diff)
downloadlinux-386403a115f95997c2715691226e11a7b5cffcfd.tar.xz
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next
Pull networking updates from David Miller: "Another merge window, another pull full of stuff: 1) Support alternative names for network devices, from Jiri Pirko. 2) Introduce per-netns netdev notifiers, also from Jiri Pirko. 3) Support MSG_PEEK in vsock/virtio, from Matias Ezequiel Vara Larsen. 4) Allow compiling out the TLS TOE code, from Jakub Kicinski. 5) Add several new tracepoints to the kTLS code, also from Jakub. 6) Support set channels ethtool callback in ena driver, from Sameeh Jubran. 7) New SCTP events SCTP_ADDR_ADDED, SCTP_ADDR_REMOVED, SCTP_ADDR_MADE_PRIM, and SCTP_SEND_FAILED_EVENT. From Xin Long. 8) Add XDP support to mvneta driver, from Lorenzo Bianconi. 9) Lots of netfilter hw offload fixes, cleanups and enhancements, from Pablo Neira Ayuso. 10) PTP support for aquantia chips, from Egor Pomozov. 11) Add UDP segmentation offload support to igb, ixgbe, and i40e. From Josh Hunt. 12) Add smart nagle to tipc, from Jon Maloy. 13) Support L2 field rewrite by TC offloads in bnxt_en, from Venkat Duvvuru. 14) Add a flow mask cache to OVS, from Tonghao Zhang. 15) Add XDP support to ice driver, from Maciej Fijalkowski. 16) Add AF_XDP support to ice driver, from Krzysztof Kazimierczak. 17) Support UDP GSO offload in atlantic driver, from Igor Russkikh. 18) Support it in stmmac driver too, from Jose Abreu. 19) Support TIPC encryption and auth, from Tuong Lien. 20) Introduce BPF trampolines, from Alexei Starovoitov. 21) Make page_pool API more numa friendly, from Saeed Mahameed. 22) Introduce route hints to ipv4 and ipv6, from Paolo Abeni. 23) Add UDP segmentation offload to cxgb4, Rahul Lakkireddy" * git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (1857 commits) libbpf: Fix usage of u32 in userspace code mm: Implement no-MMU variant of vmalloc_user_node_flags slip: Fix use-after-free Read in slip_open net: dsa: sja1105: fix sja1105_parse_rgmii_delays() macvlan: schedule bc_work even if error enetc: add support Credit Based Shaper(CBS) for hardware offload net: phy: add helpers phy_(un)lock_mdio_bus mdio_bus: don't use managed reset-controller ax88179_178a: add ethtool_op_get_ts_info() mlxsw: spectrum_router: Fix use of uninitialized adjacency index mlxsw: spectrum_router: After underlay moves, demote conflicting tunnels bpf: Simplify __bpf_arch_text_poke poke type handling bpf: Introduce BPF_TRACE_x helper for the tracing tests bpf: Add bpf_jit_blinding_enabled for !CONFIG_BPF_JIT bpf, testing: Add various tail call test cases bpf, x86: Emit patchable direct jump as tail call bpf: Constant map key tracking for prog array pokes bpf: Add poke dependency tracking for prog array maps bpf: Add initial poke descriptor table for jit images bpf: Move owner type, jited info into array auxiliary data ...
Diffstat (limited to 'drivers/net/ethernet/mscc/ocelot_board.c')
-rw-r--r--drivers/net/ethernet/mscc/ocelot_board.c154
1 files changed, 77 insertions, 77 deletions
diff --git a/drivers/net/ethernet/mscc/ocelot_board.c b/drivers/net/ethernet/mscc/ocelot_board.c
index aac115136720..2da8eee27e98 100644
--- a/drivers/net/ethernet/mscc/ocelot_board.c
+++ b/drivers/net/ethernet/mscc/ocelot_board.c
@@ -95,6 +95,8 @@ static irqreturn_t ocelot_xtr_irq_handler(int irq, void *arg)
do {
struct skb_shared_hwtstamps *shhwtstamps;
+ struct ocelot_port_private *priv;
+ struct ocelot_port *ocelot_port;
u64 tod_in_ns, full_ts_in_ns;
struct frame_info info = {};
struct net_device *dev;
@@ -103,7 +105,7 @@ static irqreturn_t ocelot_xtr_irq_handler(int irq, void *arg)
int sz, len, buf_len;
struct sk_buff *skb;
- for (i = 0; i < IFH_LEN; i++) {
+ for (i = 0; i < OCELOT_TAG_LEN / 4; i++) {
err = ocelot_rx_frame_word(ocelot, grp, true, &ifh[i]);
if (err != 4)
break;
@@ -114,7 +116,10 @@ static irqreturn_t ocelot_xtr_irq_handler(int irq, void *arg)
ocelot_parse_ifh(ifh, &info);
- dev = ocelot->ports[info.port]->dev;
+ ocelot_port = ocelot->ports[info.port];
+ priv = container_of(ocelot_port, struct ocelot_port_private,
+ port);
+ dev = priv->dev;
skb = netdev_alloc_skb(dev, info.len);
@@ -185,69 +190,69 @@ static irqreturn_t ocelot_xtr_irq_handler(int irq, void *arg)
static irqreturn_t ocelot_ptp_rdy_irq_handler(int irq, void *arg)
{
- int budget = OCELOT_PTP_QUEUE_SZ;
struct ocelot *ocelot = arg;
- while (budget--) {
- struct skb_shared_hwtstamps shhwtstamps;
- struct list_head *pos, *tmp;
- struct sk_buff *skb = NULL;
- struct ocelot_skb *entry;
- struct ocelot_port *port;
- struct timespec64 ts;
- u32 val, id, txport;
+ ocelot_get_txtstamp(ocelot);
- val = ocelot_read(ocelot, SYS_PTP_STATUS);
+ return IRQ_HANDLED;
+}
- /* Check if a timestamp can be retrieved */
- if (!(val & SYS_PTP_STATUS_PTP_MESS_VLD))
- break;
+static const struct of_device_id mscc_ocelot_match[] = {
+ { .compatible = "mscc,vsc7514-switch" },
+ { }
+};
+MODULE_DEVICE_TABLE(of, mscc_ocelot_match);
- WARN_ON(val & SYS_PTP_STATUS_PTP_OVFL);
+static void ocelot_port_pcs_init(struct ocelot *ocelot, int port)
+{
+ struct ocelot_port *ocelot_port = ocelot->ports[port];
- /* Retrieve the ts ID and Tx port */
- id = SYS_PTP_STATUS_PTP_MESS_ID_X(val);
- txport = SYS_PTP_STATUS_PTP_MESS_TXPORT_X(val);
+ /* Disable HDX fast control */
+ ocelot_port_writel(ocelot_port, DEV_PORT_MISC_HDX_FAST_DIS,
+ DEV_PORT_MISC);
- /* Retrieve its associated skb */
- port = ocelot->ports[txport];
+ /* SGMII only for now */
+ ocelot_port_writel(ocelot_port, PCS1G_MODE_CFG_SGMII_MODE_ENA,
+ PCS1G_MODE_CFG);
+ ocelot_port_writel(ocelot_port, PCS1G_SD_CFG_SD_SEL, PCS1G_SD_CFG);
- list_for_each_safe(pos, tmp, &port->skbs) {
- entry = list_entry(pos, struct ocelot_skb, head);
- if (entry->id != id)
- continue;
+ /* Enable PCS */
+ ocelot_port_writel(ocelot_port, PCS1G_CFG_PCS_ENA, PCS1G_CFG);
- skb = entry->skb;
+ /* No aneg on SGMII */
+ ocelot_port_writel(ocelot_port, 0, PCS1G_ANEG_CFG);
- list_del(pos);
- kfree(entry);
- }
+ /* No loopback */
+ ocelot_port_writel(ocelot_port, 0, PCS1G_LB_CFG);
+}
- /* Next ts */
- ocelot_write(ocelot, SYS_PTP_NXT_PTP_NXT, SYS_PTP_NXT);
+static int ocelot_reset(struct ocelot *ocelot)
+{
+ int retries = 100;
+ u32 val;
- if (unlikely(!skb))
- continue;
+ regmap_field_write(ocelot->regfields[SYS_RESET_CFG_MEM_INIT], 1);
+ regmap_field_write(ocelot->regfields[SYS_RESET_CFG_MEM_ENA], 1);
- /* Get the h/w timestamp */
- ocelot_get_hwtimestamp(ocelot, &ts);
+ do {
+ msleep(1);
+ regmap_field_read(ocelot->regfields[SYS_RESET_CFG_MEM_INIT],
+ &val);
+ } while (val && --retries);
- /* Set the timestamp into the skb */
- memset(&shhwtstamps, 0, sizeof(shhwtstamps));
- shhwtstamps.hwtstamp = ktime_set(ts.tv_sec, ts.tv_nsec);
- skb_tstamp_tx(skb, &shhwtstamps);
+ if (!retries)
+ return -ETIMEDOUT;
- dev_kfree_skb_any(skb);
- }
+ regmap_field_write(ocelot->regfields[SYS_RESET_CFG_MEM_ENA], 1);
+ regmap_field_write(ocelot->regfields[SYS_RESET_CFG_CORE_ENA], 1);
- return IRQ_HANDLED;
+ return 0;
}
-static const struct of_device_id mscc_ocelot_match[] = {
- { .compatible = "mscc,vsc7514-switch" },
- { }
+static const struct ocelot_ops ocelot_ops = {
+ .pcs_init = ocelot_port_pcs_init,
+ .reset = ocelot_reset,
};
-MODULE_DEVICE_TABLE(of, mscc_ocelot_match);
static int mscc_ocelot_probe(struct platform_device *pdev)
{
@@ -257,13 +262,12 @@ static int mscc_ocelot_probe(struct platform_device *pdev)
struct ocelot *ocelot;
struct regmap *hsio;
unsigned int i;
- u32 val;
struct {
enum ocelot_target id;
char *name;
u8 optional:1;
- } res[] = {
+ } io_target[] = {
{ SYS, "sys" },
{ REW, "rew" },
{ QSYS, "qsys" },
@@ -283,20 +287,23 @@ static int mscc_ocelot_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, ocelot);
ocelot->dev = &pdev->dev;
- for (i = 0; i < ARRAY_SIZE(res); i++) {
+ for (i = 0; i < ARRAY_SIZE(io_target); i++) {
struct regmap *target;
+ struct resource *res;
+
+ res = platform_get_resource_byname(pdev, IORESOURCE_MEM,
+ io_target[i].name);
- target = ocelot_io_platform_init(ocelot, pdev, res[i].name);
+ target = ocelot_regmap_init(ocelot, res);
if (IS_ERR(target)) {
- if (res[i].optional) {
- ocelot->targets[res[i].id] = NULL;
+ if (io_target[i].optional) {
+ ocelot->targets[io_target[i].id] = NULL;
continue;
}
-
return PTR_ERR(target);
}
- ocelot->targets[res[i].id] = target;
+ ocelot->targets[io_target[i].id] = target;
}
hsio = syscon_regmap_lookup_by_compatible("mscc,ocelot-hsio");
@@ -307,7 +314,7 @@ static int mscc_ocelot_probe(struct platform_device *pdev)
ocelot->targets[HSIO] = hsio;
- err = ocelot_chip_init(ocelot);
+ err = ocelot_chip_init(ocelot, &ocelot_ops);
if (err)
return err;
@@ -334,18 +341,6 @@ static int mscc_ocelot_probe(struct platform_device *pdev)
ocelot->ptp = 1;
}
- regmap_field_write(ocelot->regfields[SYS_RESET_CFG_MEM_INIT], 1);
- regmap_field_write(ocelot->regfields[SYS_RESET_CFG_MEM_ENA], 1);
-
- do {
- msleep(1);
- regmap_field_read(ocelot->regfields[SYS_RESET_CFG_MEM_INIT],
- &val);
- } while (val);
-
- regmap_field_write(ocelot->regfields[SYS_RESET_CFG_MEM_ENA], 1);
- regmap_field_write(ocelot->regfields[SYS_RESET_CFG_CORE_ENA], 1);
-
ocelot->num_cpu_ports = 1; /* 1 port on the switch, two groups */
ports = of_get_child_by_name(np, "ethernet-ports");
@@ -359,17 +354,20 @@ static int mscc_ocelot_probe(struct platform_device *pdev)
ocelot->ports = devm_kcalloc(&pdev->dev, ocelot->num_phys_ports,
sizeof(struct ocelot_port *), GFP_KERNEL);
- INIT_LIST_HEAD(&ocelot->multicast);
ocelot_init(ocelot);
+ ocelot_set_cpu_port(ocelot, ocelot->num_phys_ports,
+ OCELOT_TAG_PREFIX_NONE, OCELOT_TAG_PREFIX_NONE);
for_each_available_child_of_node(ports, portnp) {
+ struct ocelot_port_private *priv;
+ struct ocelot_port *ocelot_port;
struct device_node *phy_node;
+ phy_interface_t phy_mode;
struct phy_device *phy;
struct resource *res;
struct phy *serdes;
void __iomem *regs;
char res_name[8];
- int phy_mode;
u32 port;
if (of_property_read_u32(portnp, "reg", &port))
@@ -398,13 +396,15 @@ static int mscc_ocelot_probe(struct platform_device *pdev)
goto out_put_ports;
}
- phy_mode = of_get_phy_mode(portnp);
- if (phy_mode < 0)
- ocelot->ports[port]->phy_mode = PHY_INTERFACE_MODE_NA;
- else
- ocelot->ports[port]->phy_mode = phy_mode;
+ ocelot_port = ocelot->ports[port];
+ priv = container_of(ocelot_port, struct ocelot_port_private,
+ port);
+
+ of_get_phy_mode(portnp, &phy_mode);
+
+ priv->phy_mode = phy_mode;
- switch (ocelot->ports[port]->phy_mode) {
+ switch (priv->phy_mode) {
case PHY_INTERFACE_MODE_NA:
continue;
case PHY_INTERFACE_MODE_SGMII:
@@ -413,7 +413,7 @@ static int mscc_ocelot_probe(struct platform_device *pdev)
/* Ensure clock signals and speed is set on all
* QSGMII links
*/
- ocelot_port_writel(ocelot->ports[port],
+ ocelot_port_writel(ocelot_port,
DEV_CLOCK_CFG_LINK_SPEED
(OCELOT_SPEED_1000),
DEV_CLOCK_CFG);
@@ -441,7 +441,7 @@ static int mscc_ocelot_probe(struct platform_device *pdev)
goto out_put_ports;
}
- ocelot->ports[port]->serdes = serdes;
+ priv->serdes = serdes;
}
register_netdevice_notifier(&ocelot_netdevice_nb);