Thread (16 messages) flat view 16 messages, 4 authors, 2016-11-24

Re: [net-next 1/2] net: ethernet: slicoss: add slicoss gigabit ethernet driver

From: Andrew Lunn <andrew@lunn.ch>
Date: 2016-11-13 19:55:53
Also in: lkml

+static const char slic_stats_strings[][ETH_GSTRING_LEN] = {
+	"rx_packets     ",
+	"rx_bytes       ",
+	"rx_multicasts  ",
+	"rx_errors      ",
+	"rx_buff_miss   ",
+	"rx_tp_csum     ",
+	"rx_tp_oflow    ",
+	"rx_tp_hlen     ",
+	"rx_ip_csum     ",
+	"rx_ip_len      ",
Are there any other drivers which pad the statistics strings?
+static void slic_set_link_autoneg(struct slic_device *sdev)
+{
+	unsigned int subid = sdev->pdev->subsystem_device;
+	u32 val;
+
+	if (sdev->is_fiber) {
+		/* We've got a fiber gigabit interface, and register 4 is
+		 * different in fiber mode than in copper mode.
+		 */
+		/* advertise FD only @1000 Mb */
+		val = MII_ADVERTISE << 16 | SLIC_PAR_ADV1000XFD |
+		      SLIC_PAR_ASYMPAUSE_FIBER;
+		/* enable PAUSE frames */
+		slic_write(sdev, SLIC_REG_WPHY, val);
+		/* reset phy, enable auto-neg  */
+		val = MII_BMCR << 16 | SLIC_PCR_RESET | SLIC_PCR_AUTONEG |
+		      SLIC_PCR_AUTONEG_RST;
+		slic_write(sdev, SLIC_REG_WPHY, val);
+	} else {	/* copper gigabit */
+		/* We've got a copper gigabit interface, and register 4 is
+		 * different in copper mode than in fiber mode.
+		 */
+		/* advertise 10/100 Mb modes   */
+		val = MII_ADVERTISE << 16 | SLIC_PAR_ADV100FD |
+		      SLIC_PAR_ADV100HD | SLIC_PAR_ADV10FD | SLIC_PAR_ADV10HD;
+		/* enable PAUSE frames  */
+		val |= SLIC_PAR_ASYMPAUSE;
+		/* required by the Cicada PHY  */
+		val |= SLIC_PAR_802_3;
+		slic_write(sdev, SLIC_REG_WPHY, val);
+
+		/* advertise FD only @1000 Mb  */
+		val = MII_CTRL1000 << 16 | SLIC_PGC_ADV1000FD;
+		slic_write(sdev, SLIC_REG_WPHY, val);
+
+		if (subid != PCI_SUBDEVICE_ID_ALACRITECH_CICADA) {
+			 /* if a Marvell PHY enable auto crossover */
+			val = SLIC_MIICR_REG_16 | SLIC_MRV_REG16_XOVERON;
+			slic_write(sdev, SLIC_REG_WPHY, val);
+
+			/* reset phy, enable auto-neg  */
+			val = MII_BMCR << 16 | SLIC_PCR_RESET |
+			      SLIC_PCR_AUTONEG | SLIC_PCR_AUTONEG_RST;
+			slic_write(sdev, SLIC_REG_WPHY, val);
+		} else {
+			/* enable and restart auto-neg (don't reset)  */
+			val = MII_BMCR << 16 | SLIC_PCR_AUTONEG |
+			      SLIC_PCR_AUTONEG_RST;
+			slic_write(sdev, SLIC_REG_WPHY, val);
+		}
+	}
+	sdev->autoneg = true;
+}
Could this be pulled out into a standard PHY driver? All the SLIC
SLIC_PCR_ defines seems to be the same as those in mii.h. This could
be a standard PHY hidden behind a single register.

   Andrew
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