From: Doug Ledford <dledford@redhat.com>
Date: Mon, 15 Jun 2009 09:52:48 -0400
Subject: [net] cxgb3: support two new phys and page mapping fix
Message-id: a93b90b8953132dd0e64aac7dcdd94d5d9e95a78.1245072810.git.dledford@redhat.com
O-Subject: [Patch RHEL5.4 13/16] [cxgb3] Update to Chelsio's latest requested fixes (bz504955)
Bugzilla: 504955
RH-Acked-by: Mike Christie <mchristi@redhat.com>
Includes support for two new phys, a page mapping fix, and a link fault fix.
Fixes bz504955
Signed-off-by: Doug Ledford <dledford@redhat.com>
diff --git a/drivers/net/cxgb3/Makefile b/drivers/net/cxgb3/Makefile
index 0cfb03e..5d6f1d8 100644
--- a/drivers/net/cxgb3/Makefile
+++ b/drivers/net/cxgb3/Makefile
@@ -10,4 +10,4 @@ export CPPFLAGS := $(INFINIBANDINCLUDE) $(CPPFLAGS)
obj-$(CONFIG_CHELSIO_T3) += cxgb3.o
cxgb3-objs := cxgb3_main.o ael1002.o vsc8211.o t3_hw.o mc5.o \
- xgmac.o sge.o l2t.o cxgb3_offload.o
+ xgmac.o sge.o l2t.o cxgb3_offload.o aq100x.o
diff --git a/drivers/net/cxgb3/adapter.h b/drivers/net/cxgb3/adapter.h
index 01e497a..faea261 100644
--- a/drivers/net/cxgb3/adapter.h
+++ b/drivers/net/cxgb3/adapter.h
@@ -85,6 +85,8 @@ struct fl_pg_chunk {
struct page *page;
void *va;
unsigned int offset;
+ unsigned long *p_cnt;
+ dma_addr_t mapping;
};
struct rx_desc;
@@ -101,6 +103,7 @@ struct sge_fl { /* SGE per free-buffer list state */
struct fl_pg_chunk pg_chunk;/* page chunk cache */
unsigned int use_pages; /* whether FL uses pages or sk_buffs */
unsigned int order; /* order of page allocations */
+ unsigned int alloc_size; /* size of allocated buffer */
struct rx_desc *desc; /* address of HW Rx descriptor ring */
struct rx_sw_desc *sdesc; /* address of SW Rx descriptor ring */
dma_addr_t phys_addr; /* physical address of HW ring start */
diff --git a/drivers/net/cxgb3/ael1002.c b/drivers/net/cxgb3/ael1002.c
index e1b2249..e1d133b 100644
--- a/drivers/net/cxgb3/ael1002.c
+++ b/drivers/net/cxgb3/ael1002.c
@@ -52,12 +52,33 @@ enum {
AEL_I2C_STAT = 0xc30c,
AEL2005_GPIO_CTRL = 0xc214,
AEL2005_GPIO_STAT = 0xc215,
+
+ AEL2020_GPIO_INTR = 0xc103, /* Latch High (LH) */
+ AEL2020_GPIO_CTRL = 0xc108, /* Store Clear (SC) */
+ AEL2020_GPIO_STAT = 0xc10c, /* Read Only (RO) */
+ AEL2020_GPIO_CFG = 0xc110, /* Read Write (RW) */
+
+ AEL2020_GPIO_SDA = 0, /* IN: i2c serial data */
+ AEL2020_GPIO_MODDET = 1, /* IN: Module Detect */
+ AEL2020_GPIO_0 = 3, /* IN: unassigned */
+ AEL2020_GPIO_1 = 2, /* OUT: unassigned */
+ AEL2020_GPIO_LSTAT = AEL2020_GPIO_1, /* wired to link status LED */
};
enum { edc_none, edc_sr, edc_twinax };
/* PHY module I2C device address */
-#define MODULE_DEV_ADDR 0xa0
+enum {
+ MODULE_DEV_ADDR = 0xa0,
+ SFF_DEV_ADDR = 0xa2,
+};
+
+/* PHY transceiver type */
+enum {
+ phy_transtype_unknown = 0,
+ phy_transtype_sfp = 3,
+ phy_transtype_xfp = 6,
+};
#define AEL2005_MODDET_IRQ 4
@@ -93,6 +114,37 @@ static void ael100x_txon(struct cphy *phy)
msleep(30);
}
+/*
+ * Read an 8-bit word from a device attached to the PHY's i2c bus.
+ */
+static int ael_i2c_rd(struct cphy *phy, int dev_addr, int word_addr)
+{
+ int i, err;
+ unsigned int stat, data;
+
+ err = mdio_write(phy, MDIO_DEV_PMA_PMD, AEL_I2C_CTRL,
+ (dev_addr << 8) | (1 << 8) | word_addr);
+ if (err)
+ return err;
+
+ for (i = 0; i < 200; i++) {
+ msleep(1);
+ err = mdio_read(phy, MDIO_DEV_PMA_PMD, AEL_I2C_STAT, &stat);
+ if (err)
+ return err;
+ if ((stat & 3) == 1) {
+ err = mdio_read(phy, MDIO_DEV_PMA_PMD, AEL_I2C_DATA,
+ &data);
+ if (err)
+ return err;
+ return data >> 8;
+ }
+ }
+ CH_WARN(phy->adapter, "PHY %u i2c read of dev.addr %#x.%#x timed out\n",
+ phy->addr, dev_addr, word_addr);
+ return -ETIMEDOUT;
+}
+
static int ael1002_power_down(struct cphy *phy, int enable)
{
int err;
@@ -200,6 +252,51 @@ int t3_ael1006_phy_prep(struct cphy *phy, struct adapter *adapter,
return 0;
}
+/*
+ * Decode our module type.
+ */
+static int ael2xxx_get_module_type(struct cphy *phy, int delay_ms)
+{
+ int v;
+
+ if (delay_ms)
+ msleep(delay_ms);
+
+ /* see SFF-8472 for below */
+ v = ael_i2c_rd(phy, MODULE_DEV_ADDR, 3);
+ if (v < 0)
+ return v;
+
+ if (v == 0x10)
+ return phy_modtype_sr;
+ if (v == 0x20)
+ return phy_modtype_lr;
+ if (v == 0x40)
+ return phy_modtype_lrm;
+
+ v = ael_i2c_rd(phy, MODULE_DEV_ADDR, 6);
+ if (v < 0)
+ return v;
+ if (v != 4)
+ goto unknown;
+
+ v = ael_i2c_rd(phy, MODULE_DEV_ADDR, 10);
+ if (v < 0)
+ return v;
+
+ if (v & 0x80) {
+ v = ael_i2c_rd(phy, MODULE_DEV_ADDR, 0x12);
+ if (v < 0)
+ return v;
+ return v > 10 ? phy_modtype_twinax_long : phy_modtype_twinax;
+ }
+unknown:
+ return phy_modtype_unknown;
+}
+
+/*
+ * Code to support the Aeluros/NetLogic 2005 10Gb PHY.
+ */
static int ael2005_setup_sr_edc(struct cphy *phy)
{
static struct reg_val regs[] = {
@@ -894,35 +991,7 @@ static int ael2005_setup_twinax_edc(struct cphy *phy, int modtype)
return err;
}
-static int ael2005_i2c_rd(struct cphy *phy, int dev_addr, int word_addr)
-{
- int i, err;
- unsigned int stat, data;
-
- err = mdio_write(phy, MDIO_DEV_PMA_PMD, AEL_I2C_CTRL,
- (dev_addr << 8) | (1 << 8) | word_addr);
- if (err)
- return err;
-
- for (i = 0; i < 5; i++) {
- msleep(1);
- err = mdio_read(phy, MDIO_DEV_PMA_PMD, AEL_I2C_STAT, &stat);
- if (err)
- return err;
- if ((stat & 3) == 1) {
- err = mdio_read(phy, MDIO_DEV_PMA_PMD, AEL_I2C_DATA,
- &data);
- if (err)
- return err;
- return data >> 8;
- }
- }
- CH_WARN(phy->adapter, "PHY %u I2C read of addr %u timed out\n",
- phy->addr, word_addr);
- return -ETIMEDOUT;
-}
-
-static int get_module_type(struct cphy *phy, int delay_ms)
+static int ael2005_get_module_type(struct cphy *phy, int delay_ms)
{
int v;
unsigned int stat;
@@ -934,39 +1003,7 @@ static int get_module_type(struct cphy *phy, int delay_ms)
if (stat & (1 << 8)) /* module absent */
return phy_modtype_none;
- if (delay_ms)
- msleep(delay_ms);
-
- /* see SFF-8472 for below */
- v = ael2005_i2c_rd(phy, MODULE_DEV_ADDR, 3);
- if (v < 0)
- return v;
-
- if (v == 0x10)
- return phy_modtype_sr;
- if (v == 0x20)
- return phy_modtype_lr;
- if (v == 0x40)
- return phy_modtype_lrm;
-
- v = ael2005_i2c_rd(phy, MODULE_DEV_ADDR, 6);
- if (v < 0)
- return v;
- if (v != 4)
- goto unknown;
-
- v = ael2005_i2c_rd(phy, MODULE_DEV_ADDR, 10);
- if (v < 0)
- return v;
-
- if (v & 0x80) {
- v = ael2005_i2c_rd(phy, MODULE_DEV_ADDR, 0x12);
- if (v < 0)
- return v;
- return v > 10 ? phy_modtype_twinax_long : phy_modtype_twinax;
- }
-unknown:
- return phy_modtype_unknown;
+ return ael2xxx_get_module_type(phy, delay_ms);
}
static int ael2005_intr_enable(struct cphy *phy)
@@ -1024,7 +1061,7 @@ static int ael2005_reset(struct cphy *phy, int wait)
msleep(50);
- err = get_module_type(phy, 0);
+ err = ael2005_get_module_type(phy, 0);
if (err < 0)
return err;
phy->modtype = err;
@@ -1062,7 +1099,7 @@ static int ael2005_intr_handler(struct cphy *phy)
return ret;
/* modules have max 300 ms init time after hot plug */
- ret = get_module_type(phy, 300);
+ ret = ael2005_get_module_type(phy, 300);
if (ret < 0)
return ret;
@@ -1112,6 +1149,660 @@ int t3_ael2005_phy_prep(struct cphy *phy, struct adapter *adapter,
}
/*
+ * Setup EDC and other parameters for operation with an optical module.
+ */
+static int ael2020_setup_sr_edc(struct cphy *phy)
+{
+ static struct reg_val regs[] = {
+ /* set CDR offset to 10 */
+ { MDIO_DEV_PMA_PMD, 0xcc01, 0xffff, 0x488a },
+
+ /* adjust 10G RX bias current */
+ { MDIO_DEV_PMA_PMD, 0xcb1b, 0xffff, 0x0200 },
+ { MDIO_DEV_PMA_PMD, 0xcb1c, 0xffff, 0x00f0 },
+ { MDIO_DEV_PMA_PMD, 0xcc06, 0xffff, 0x00e0 },
+
+ /* end */
+ { 0, 0, 0, 0 }
+ };
+ int err;
+
+ err = set_phy_regs(phy, regs);
+ msleep(50);
+ if (err)
+ return err;
+
+ phy->priv = edc_sr;
+ return 0;
+}
+
+/*
+ * Setup EDC and other parameters for operation with an TWINAX module.
+ */
+static int ael2020_setup_twinax_edc(struct cphy *phy, int modtype)
+{
+ /* set uC to 40MHz */
+ static struct reg_val uCclock40MHz[] = {
+ { MDIO_DEV_PMA_PMD, 0xff28, 0xffff, 0x4001 },
+ { MDIO_DEV_PMA_PMD, 0xff2a, 0xffff, 0x0002 },
+ { 0, 0, 0, 0 }
+ };
+
+ /* activate uC clock */
+ static struct reg_val uCclockActivate[] = {
+ { MDIO_DEV_PMA_PMD, 0xd000, 0xffff, 0x5200 },
+ { 0, 0, 0, 0 }
+ };
+
+ /* set PC to start of SRAM and activate uC */
+ static struct reg_val uCactivate[] = {
+ { MDIO_DEV_PMA_PMD, 0xd080, 0xffff, 0x0100 },
+ { MDIO_DEV_PMA_PMD, 0xd092, 0xffff, 0x0000 },
+ { 0, 0, 0, 0 }
+ };
+
+ /* TWINAX EDC firmware */
+ static u16 twinax_edc[] = {
+ 0xd800, 0x4009,
+ 0xd801, 0x2fff,
+ 0xd802, 0x300f,
+ 0xd803, 0x40aa,
+ 0xd804, 0x401c,
+ 0xd805, 0x401e,
+ 0xd806, 0x2ff4,
+ 0xd807, 0x3dc4,
+ 0xd808, 0x2035,
+ 0xd809, 0x3035,
+ 0xd80a, 0x6524,
+ 0xd80b, 0x2cb2,
+ 0xd80c, 0x3012,
+ 0xd80d, 0x1002,
+ 0xd80e, 0x26e2,
+ 0xd80f, 0x3022,
+ 0xd810, 0x1002,
+ 0xd811, 0x27d2,
+ 0xd812, 0x3022,
+ 0xd813, 0x1002,
+ 0xd814, 0x2822,
+ 0xd815, 0x3012,
+ 0xd816, 0x1002,
+ 0xd817, 0x2492,
+ 0xd818, 0x3022,
+ 0xd819, 0x1002,
+ 0xd81a, 0x2772,
+ 0xd81b, 0x3012,
+ 0xd81c, 0x1002,
+ 0xd81d, 0x23d2,
+ 0xd81e, 0x3022,
+ 0xd81f, 0x1002,
+ 0xd820, 0x22cd,
+ 0xd821, 0x301d,
+ 0xd822, 0x27f2,
+ 0xd823, 0x3022,
+ 0xd824, 0x1002,
+ 0xd825, 0x5553,
+ 0xd826, 0x0307,
+ 0xd827, 0x2522,
+ 0xd828, 0x3022,
+ 0xd829, 0x1002,
+ 0xd82a, 0x2142,
+ 0xd82b, 0x3012,
+ 0xd82c, 0x1002,
+ 0xd82d, 0x4016,
+ 0xd82e, 0x5e63,
+ 0xd82f, 0x0344,
+ 0xd830, 0x2142,
+ 0xd831, 0x3012,
+ 0xd832, 0x1002,
+ 0xd833, 0x400e,
+ 0xd834, 0x2522,
+ 0xd835, 0x3022,
+ 0xd836, 0x1002,
+ 0xd837, 0x2b52,
+ 0xd838, 0x3012,
+ 0xd839, 0x1002,
+ 0xd83a, 0x2742,
+ 0xd83b, 0x3022,
+ 0xd83c, 0x1002,
+ 0xd83d, 0x25e2,
+ 0xd83e, 0x3022,
+ 0xd83f, 0x1002,
+ 0xd840, 0x2fa4,
+ 0xd841, 0x3dc4,
+ 0xd842, 0x6624,
+ 0xd843, 0x414b,
+ 0xd844, 0x56b3,
+ 0xd845, 0x03c6,
+ 0xd846, 0x866b,
+ 0xd847, 0x400c,
+ 0xd848, 0x2712,
+ 0xd849, 0x3012,
+ 0xd84a, 0x1002,
+ 0xd84b, 0x2c4b,
+ 0xd84c, 0x309b,
+ 0xd84d, 0x56b3,
+ 0xd84e, 0x03c3,
+ 0xd84f, 0x866b,
+ 0xd850, 0x400c,
+ 0xd851, 0x2272,
+ 0xd852, 0x3022,
+ 0xd853, 0x1002,
+ 0xd854, 0x2742,
+ 0xd855, 0x3022,
+ 0xd856, 0x1002,
+ 0xd857, 0x25e2,
+ 0xd858, 0x3022,
+ 0xd859, 0x1002,
+ 0xd85a, 0x2fb4,
+ 0xd85b, 0x3dc4,
+ 0xd85c, 0x6624,
+ 0xd85d, 0x56b3,
+ 0xd85e, 0x03c3,
+ 0xd85f, 0x866b,
+ 0xd860, 0x401c,
+ 0xd861, 0x2c45,
+ 0xd862, 0x3095,
+ 0xd863, 0x5b53,
+ 0xd864, 0x2372,
+ 0xd865, 0x3012,
+ 0xd866, 0x13c2,
+ 0xd867, 0x5cc3,
+ 0xd868, 0x2712,
+ 0xd869, 0x3012,
+ 0xd86a, 0x1312,
+ 0xd86b, 0x2b52,
+ 0xd86c, 0x3012,
+ 0xd86d, 0x1002,
+ 0xd86e, 0x2742,
+ 0xd86f, 0x3022,
+ 0xd870, 0x1002,
+ 0xd871, 0x2582,
+ 0xd872, 0x3022,
+ 0xd873, 0x1002,
+ 0xd874, 0x2142,
+ 0xd875, 0x3012,
+ 0xd876, 0x1002,
+ 0xd877, 0x628f,
+ 0xd878, 0x2985,
+ 0xd879, 0x33a5,
+ 0xd87a, 0x25e2,
+ 0xd87b, 0x3022,
+ 0xd87c, 0x1002,
+ 0xd87d, 0x5653,
+ 0xd87e, 0x03d2,
+ 0xd87f, 0x401e,
+ 0xd880, 0x6f72,
+ 0xd881, 0x1002,
+ 0xd882, 0x628f,
+ 0xd883, 0x2304,
+ 0xd884, 0x3c84,
+ 0xd885, 0x6436,
+ 0xd886, 0xdff4,
+ 0xd887, 0x6436,
+ 0xd888, 0x2ff5,
+ 0xd889, 0x3005,
+ 0xd88a, 0x8656,
+ 0xd88b, 0xdfba,
+ 0xd88c, 0x56a3,
+ 0xd88d, 0xd05a,
+ 0xd88e, 0x2972,
+ 0xd88f, 0x3012,
+ 0xd890, 0x1392,
+ 0xd891, 0xd05a,
+ 0xd892, 0x56a3,
+ 0xd893, 0xdfba,
+ 0xd894, 0x0383,
+ 0xd895, 0x6f72,
+ 0xd896, 0x1002,
+ 0xd897, 0x2b45,
+ 0xd898, 0x3005,
+ 0xd899, 0x4178,
+ 0xd89a, 0x5653,
+ 0xd89b, 0x0384,
+ 0xd89c, 0x2a62,
+ 0xd89d, 0x3012,
+ 0xd89e, 0x1002,
+ 0xd89f, 0x2f05,
+ 0xd8a0, 0x3005,
+ 0xd8a1, 0x41c8,
+ 0xd8a2, 0x5653,
+ 0xd8a3, 0x0382,
+ 0xd8a4, 0x0002,
+ 0xd8a5, 0x4218,
+ 0xd8a6, 0x2474,
+ 0xd8a7, 0x3c84,
+ 0xd8a8, 0x6437,
+ 0xd8a9, 0xdff4,
+ 0xd8aa, 0x6437,
+ 0xd8ab, 0x2ff5,
+ 0xd8ac, 0x3c05,
+ 0xd8ad, 0x8757,
+ 0xd8ae, 0xb888,
+ 0xd8af, 0x9787,
+ 0xd8b0, 0xdff4,
+ 0xd8b1, 0x6724,
+ 0xd8b2, 0x866a,
+ 0xd8b3, 0x6f72,
+ 0xd8b4, 0x1002,
+ 0xd8b5, 0x2641,
+ 0xd8b6, 0x3021,
+ 0xd8b7, 0x1001,
+ 0xd8b8, 0xc620,
+ 0xd8b9, 0x0000,
+ 0xd8ba, 0xc621,
+ 0xd8bb, 0x0000,
+ 0xd8bc, 0xc622,
+ 0xd8bd, 0x00ce,
+ 0xd8be, 0xc623,
+ 0xd8bf, 0x007f,
+ 0xd8c0, 0xc624,
+ 0xd8c1, 0x0032,
+ 0xd8c2, 0xc625,
+ 0xd8c3, 0x0000,
+ 0xd8c4, 0xc627,
+ 0xd8c5, 0x0000,
+ 0xd8c6, 0xc628,
+ 0xd8c7, 0x0000,
+ 0xd8c8, 0xc62c,
+ 0xd8c9, 0x0000,
+ 0xd8ca, 0x0000,
+ 0xd8cb, 0x2641,
+ 0xd8cc, 0x3021,
+ 0xd8cd, 0x1001,
+ 0xd8ce, 0xc502,
+ 0xd8cf, 0x53ac,
+ 0xd8d0, 0xc503,
+ 0xd8d1, 0x2cd3,
+ 0xd8d2, 0xc600,
+ 0xd8d3, 0x2a6e,
+ 0xd8d4, 0xc601,
+ 0xd8d5, 0x2a2c,
+ 0xd8d6, 0xc605,
+ 0xd8d7, 0x5557,
+ 0xd8d8, 0xc60c,
+ 0xd8d9, 0x5400,
+ 0xd8da, 0xc710,
+ 0xd8db, 0x0700,
+ 0xd8dc, 0xc711,
+ 0xd8dd, 0x0f06,
+ 0xd8de, 0xc718,
+ 0xd8df, 0x0700,
+ 0xd8e0, 0xc719,
+ 0xd8e1, 0x0f06,
+ 0xd8e2, 0xc720,
+ 0xd8e3, 0x4700,
+ 0xd8e4, 0xc721,
+ 0xd8e5, 0x0f06,
+ 0xd8e6, 0xc728,
+ 0xd8e7, 0x0700,
+ 0xd8e8, 0xc729,
+ 0xd8e9, 0x1207,
+ 0xd8ea, 0xc801,
+ 0xd8eb, 0x7f50,
+ 0xd8ec, 0xc802,
+ 0xd8ed, 0x7760,
+ 0xd8ee, 0xc803,
+ 0xd8ef, 0x7fce,
+ 0xd8f0, 0xc804,
+ 0xd8f1, 0x520e,
+ 0xd8f2, 0xc805,
+ 0xd8f3, 0x5c11,
+ 0xd8f4, 0xc806,
+ 0xd8f5, 0x3c51,
+ 0xd8f6, 0xc807,
+ 0xd8f7, 0x4061,
+ 0xd8f8, 0xc808,
+ 0xd8f9, 0x49c1,
+ 0xd8fa, 0xc809,
+ 0xd8fb, 0x3840,
+ 0xd8fc, 0xc80a,
+ 0xd8fd, 0x0000,
+ 0xd8fe, 0xc821,
+ 0xd8ff, 0x0002,
+ 0xd900, 0xc822,
+ 0xd901, 0x0046,
+ 0xd902, 0xc844,
+ 0xd903, 0x182f,
+ 0xd904, 0xc013,
+ 0xd905, 0xf341,
+ 0xd906, 0xc084,
+ 0xd907, 0x0030,
+ 0xd908, 0xc904,
+ 0xd909, 0x1401,
+ 0xd90a, 0xcb0c,
+ 0xd90b, 0x0004,
+ 0xd90c, 0xcb0e,
+ 0xd90d, 0xa00a,
+ 0xd90e, 0xcb0f,
+ 0xd90f, 0xc0c0,
+ 0xd910, 0xcb10,
+ 0xd911, 0xc0c0,
+ 0xd912, 0xcb11,
+ 0xd913, 0x00a0,
+ 0xd914, 0xcb12,
+ 0xd915, 0x0007,
+ 0xd916, 0xc241,
+ 0xd917, 0xa000,
+ 0xd918, 0xc243,
+ 0xd919, 0x7fe0,
+ 0xd91a, 0xc604,
+ 0xd91b, 0x000e,
+ 0xd91c, 0xc609,
+ 0xd91d, 0x00f5,
+ 0xd91e, 0xc611,
+ 0xd91f, 0x000e,
+ 0xd920, 0xc660,
+ 0xd921, 0x9600,
+ 0xd922, 0xc687,
+ 0xd923, 0x0004,
+ 0xd924, 0xc60a,
+ 0xd925, 0x04f5,
+ 0xd926, 0x0000,
+ 0xd927, 0x2641,
+ 0xd928, 0x3021,
+ 0xd929, 0x1001,
+ 0xd92a, 0xc620,
+ 0xd92b, 0x14e5,
+ 0xd92c, 0xc621,
+ 0xd92d, 0xc53d,
+ 0xd92e, 0xc622,
+ 0xd92f, 0x3cbe,
+ 0xd930, 0xc623,
+ 0xd931, 0x4452,
+ 0xd932, 0xc624,
+ 0xd933, 0xc5c5,
+ 0xd934, 0xc625,
+ 0xd935, 0xe01e,
+ 0xd936, 0xc627,
+ 0xd937, 0x0000,
+ 0xd938, 0xc628,
+ 0xd939, 0x0000,
+ 0xd93a, 0xc62c,
+ 0xd93b, 0x0000,
+ 0xd93c, 0x0000,
+ 0xd93d, 0x2b84,
+ 0xd93e, 0x3c74,
+ 0xd93f, 0x6435,
+ 0xd940, 0xdff4,
+ 0xd941, 0x6435,
+ 0xd942, 0x2806,
+ 0xd943, 0x3006,
+ 0xd944, 0x8565,
+ 0xd945, 0x2b24,
+ 0xd946, 0x3c24,
+ 0xd947, 0x6436,
+ 0xd948, 0x1002,
+ 0xd949, 0x2b24,
+ 0xd94a, 0x3c24,
+ 0xd94b, 0x6436,
+ 0xd94c, 0x4045,
+ 0xd94d, 0x8656,
+ 0xd94e, 0x5663,
+ 0xd94f, 0x0302,
+ 0xd950, 0x401e,
+ 0xd951, 0x1002,
+ 0xd952, 0x2807,
+ 0xd953, 0x31a7,
+ 0xd954, 0x20c4,
+ 0xd955, 0x3c24,
+ 0xd956, 0x6724,
+ 0xd957, 0x1002,
+ 0xd958, 0x2807,
+ 0xd959, 0x3187,
+ 0xd95a, 0x20c4,
+ 0xd95b, 0x3c24,
+ 0xd95c, 0x6724,
+ 0xd95d, 0x1002,
+ 0xd95e, 0x24f4,
+ 0xd95f, 0x3c64,
+ 0xd960, 0x6436,
+ 0xd961, 0xdff4,
+ 0xd962, 0x6436,
+ 0xd963, 0x1002,
+ 0xd964, 0x2006,
+ 0xd965, 0x3d76,
+ 0xd966, 0xc161,
+ 0xd967, 0x6134,
+ 0xd968, 0x6135,
+ 0xd969, 0x5443,
+ 0xd96a, 0x0303,
+ 0xd96b, 0x6524,
+ 0xd96c, 0x00fb,
+ 0xd96d, 0x1002,
+ 0xd96e, 0x20d4,
+ 0xd96f, 0x3c24,
+ 0xd970, 0x2025,
+ 0xd971, 0x3005,
+ 0xd972, 0x6524,
+ 0xd973, 0x1002,
+ 0xd974, 0xd019,
+ 0xd975, 0x2104,
+ 0xd976, 0x3c24,
+ 0xd977, 0x2105,
+ 0xd978, 0x3805,
+ 0xd979, 0x6524,
+ 0xd97a, 0xdff4,
+ 0xd97b, 0x4005,
+ 0xd97c, 0x6524,
+ 0xd97d, 0x2e8d,
+ 0xd97e, 0x303d,
+ 0xd97f, 0x2408,
+ 0xd980, 0x35d8,
+ 0xd981, 0x5dd3,
+ 0xd982, 0x0307,
+ 0xd983, 0x8887,
+ 0xd984, 0x63a7,
+ 0xd985, 0x8887,
+ 0xd986, 0x63a7,
+ 0xd987, 0xdffd,
+ 0xd988, 0x00f9,
+ 0xd989, 0x1002,
+ 0xd98a, 0x0000,
+ };
+ int i, err;
+
+ /* set uC clock and activate it */
+ err = set_phy_regs(phy, uCclock40MHz);
+ msleep(500);
+ if (err)
+ return err;
+ err = set_phy_regs(phy, uCclockActivate);
+ msleep(500);
+ if (err)
+ return err;
+
+ /* write TWINAX EDC firmware into PHY */
+ for (i = 0; i < ARRAY_SIZE(twinax_edc) && !err; i += 2)
+ err = mdio_write(phy, MDIO_DEV_PMA_PMD, twinax_edc[i],
+ twinax_edc[i + 1]);
+ /* activate uC */
+ err = set_phy_regs(phy, uCactivate);
+ if (!err)
+ phy->priv = edc_twinax;
+ return err;
+}
+
+/*
+ * Return Module Type.
+ */
+static int ael2020_get_module_type(struct cphy *phy, int delay_ms)
+{
+ int v;
+ unsigned int stat;
+
+ v = mdio_read(phy, MDIO_DEV_PMA_PMD, AEL2020_GPIO_STAT, &stat);
+ if (v)
+ return v;
+
+ if (stat & (0x1 << (AEL2020_GPIO_MODDET*4))) {
+ /* module absent */
+ return phy_modtype_none;
+ }
+
+ return ael2xxx_get_module_type(phy, delay_ms);
+}
+
+/*
+ * Enable PHY interrupts. We enable "Module Detection" interrupts (on any
+ * state transition) and then generic Link Alarm Status Interrupt (LASI).
+ */
+static int ael2020_intr_enable(struct cphy *phy)
+{
+ int err = mdio_write(phy, MDIO_DEV_PMA_PMD, AEL2020_GPIO_CTRL,
+ 0x2 << (AEL2020_GPIO_MODDET*4));
+ return err ? err : t3_phy_lasi_intr_enable(phy);
+}
+
+/*
+ * Disable PHY interrupts. The mirror of the above ...
+ */
+static int ael2020_intr_disable(struct cphy *phy)
+{
+ int err = mdio_write(phy, MDIO_DEV_PMA_PMD, AEL2020_GPIO_CTRL,
+ 0x1 << (AEL2020_GPIO_MODDET*4));
+ return err ? err : t3_phy_lasi_intr_disable(phy);
+}
+
+/*
+ * Clear PHY interrupt state.
+ */
+static int ael2020_intr_clear(struct cphy *phy)
+{
+ /*
+ * The GPIO Interrupt register on the AEL2020 is a "Latching High"
+ * (LH) register which is cleared to the current state when it's read.
+ * Thus, we simply read the register and discard the result.
+ */
+ unsigned int stat;
+ int err = mdio_read(phy, MDIO_DEV_PMA_PMD, AEL2020_GPIO_INTR, &stat);
+ return err ? err : t3_phy_lasi_intr_clear(phy);
+}
+
+/*
+ * Reset the PHY and put it into a canonical operating state.
+ */
+static int ael2020_reset(struct cphy *phy, int wait)
+{
+ static struct reg_val regs0[] = {
+ /* Erratum #2: CDRLOL asserted, causing PMA link down status */
+ { MDIO_DEV_PMA_PMD, 0xc003, 0xffff, 0x3101 },
+
+ /* force XAUI to send LF when RX_LOS is asserted */
+ { MDIO_DEV_PMA_PMD, 0xcd40, 0xffff, 0x0001 },
+
+ /* RX_LOS pin is active high */
+ { MDIO_DEV_PMA_PMD, AEL_OPT_SETTINGS,
+ 0x0020, 0x0020 },
+
+ /* output Module's Loss Of Signal (LOS) to LED */
+ { MDIO_DEV_PMA_PMD, AEL2020_GPIO_CFG+AEL2020_GPIO_LSTAT,
+ 0xffff, 0x0004 },
+ { MDIO_DEV_PMA_PMD, AEL2020_GPIO_CTRL,
+ 0xffff, 0x8 << (AEL2020_GPIO_LSTAT*4) },
+
+ /* end */
+ { 0, 0, 0, 0 }
+ };
+ int err;
+ unsigned int lasi_ctrl;
+
+ /* grab current interrupt state */
+ err = mdio_read(phy, MDIO_DEV_PMA_PMD, LASI_CTRL, &lasi_ctrl);
+ if (err)
+ return err;
+
+ err = t3_phy_reset(phy, MDIO_DEV_PMA_PMD, 125);
+ if (err)
+ return err;
+ msleep(100);
+
+ /* basic initialization for all module types */
+ phy->priv = edc_none;
+ err = set_phy_regs(phy, regs0);
+ if (err)
+ return err;
+
+ /* determine module type and perform appropriate initialization */
+ err = ael2020_get_module_type(phy, 0);
+ if (err < 0)
+ return err;
+ phy->modtype = (u8)err;
+ if (err == phy_modtype_twinax || err == phy_modtype_twinax_long)
+ err = ael2020_setup_twinax_edc(phy, err);
+ else
+ err = ael2020_setup_sr_edc(phy);
+ if (err)
+ return err;
+
+ /* reset wipes out interrupts, reenable them if they were on */
+ if (lasi_ctrl & 1)
+ err = ael2005_intr_enable(phy);
+ return err;
+}
+
+/*
+ * Handle a PHY interrupt.
+ */
+static int ael2020_intr_handler(struct cphy *phy)
+{
+ unsigned int stat;
+ int ret, edc_needed, cause = 0;
+
+ ret = mdio_read(phy, MDIO_DEV_PMA_PMD, AEL2020_GPIO_INTR, &stat);
+ if (ret)
+ return ret;
+
+ if (stat & (0x1 << AEL2020_GPIO_MODDET)) {
+ /* modules have max 300 ms init time after hot plug */
+ ret = ael2020_get_module_type(phy, 300);
+ if (ret < 0)
+ return ret;
+
+ phy->modtype = (u8)ret;
+ if (ret == phy_modtype_none)
+ edc_needed = phy->priv; /* on unplug retain EDC */
+ else if (ret == phy_modtype_twinax ||
+ ret == phy_modtype_twinax_long)
+ edc_needed = edc_twinax;
+ else
+ edc_needed = edc_sr;
+
+ if (edc_needed != phy->priv) {
+ ret = ael2020_reset(phy, 0);
+ return ret ? ret : cphy_cause_module_change;
+ }
+ cause = cphy_cause_module_change;
+ }
+
+ ret = t3_phy_lasi_intr_handler(phy);
+ if (ret < 0)
+ return ret;
+
+ ret |= cause;
+ return ret ? ret : cphy_cause_link_change;
+}
+
+static struct cphy_ops ael2020_ops = {
+ .reset = ael2020_reset,
+ .intr_enable = ael2020_intr_enable,
+ .intr_disable = ael2020_intr_disable,
+ .intr_clear = ael2020_intr_clear,
+ .intr_handler = ael2020_intr_handler,
+ .get_link_status = get_link_status_r,
+ .power_down = ael1002_power_down,
+};
+
+int t3_ael2020_phy_prep(struct cphy *phy, struct adapter *adapter, int phy_addr,
+ const struct mdio_ops *mdio_ops)
+{
+ cphy_init(phy, adapter, phy_addr, &ael2020_ops, mdio_ops,
+ SUPPORTED_10000baseT_Full | SUPPORTED_AUI | SUPPORTED_FIBRE |
+ SUPPORTED_IRQ, "10GBASE-R");
+ msleep(125);
+ return 0;
+}
+
+/*
* Get link status for a 10GBASE-X device.
*/
static int get_link_status_x(struct cphy *phy, int *link_ok, int *speed,
diff --git a/drivers/net/cxgb3/aq100x.c b/drivers/net/cxgb3/aq100x.c
new file mode 100644
index 0000000..64a2c1f
--- /dev/null
+++ b/drivers/net/cxgb3/aq100x.c
@@ -0,0 +1,346 @@
+/*
+ * Copyright (c) 2005-2008 Chelsio, Inc. All rights reserved.
+ *
+ * This software is available to you under a choice of one of two
+ * licenses. You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ * Redistribution and use in source and binary forms, with or
+ * without modification, are permitted provided that the following
+ * conditions are met:
+ *
+ * - Redistributions of source code must retain the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials
+ * provided with the distribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include "common.h"
+#include "regs.h"
+
+enum {
+ /* MDIO_DEV_PMA_PMD registers */
+ AQ_LINK_STAT = 0xe800,
+ AQ_IMASK_PMA = 0xf000,
+
+ /* MDIO_DEV_XGXS registers */
+ AQ_XAUI_RX_CFG = 0xc400,
+ AQ_XAUI_TX_CFG = 0xe400,
+
+ /* MDIO_DEV_ANEG registers */
+ AQ_100M_CTRL = 0x0010,
+ AQ_10G_CTRL = 0x0020,
+ AQ_1G_CTRL = 0xc400,
+ AQ_ANEG_STAT = 0xc800,
+
+ /* MDIO_DEV_VEND1 registers */
+ AQ_FW_VERSION = 0x0020,
+ AQ_IFLAG_GLOBAL = 0xfc00,
+ AQ_IMASK_GLOBAL = 0xff00,
+};
+
+#define AQBIT(x) (1 << (x))
+#define IMASK_PMA AQBIT(0x2)
+#define IMASK_GLOBAL AQBIT(0xf)
+#define ADV_1G_FULL AQBIT(0xf)
+#define ADV_1G_HALF AQBIT(0xe)
+#define ADV_10G_FULL AQBIT(0xc)
+#define AQ_RESET (AQBIT(0xe) | AQBIT(0xf))
+#define AQ_LOWPOWER AQBIT(0xb)
+
+static int aq100x_reset(struct cphy *phy, int wait)
+{
+ /*
+ * Ignore the caller specified wait time; always wait for the reset to
+ * complete. Can take up to 3s.
+ */
+ int err = t3_phy_reset(phy, MDIO_DEV_VEND1, 3000);
+
+ if (err)
+ CH_WARN(phy->adapter, "PHY%d: reset failed (0x%x).\n",
+ phy->addr, err);
+
+ return err;
+}
+
+static int aq100x_intr_enable(struct cphy *phy)
+{
+ int err = mdio_write(phy, MDIO_DEV_PMA_PMD, AQ_IMASK_PMA, IMASK_PMA);
+ if (err)
+ return err;
+
+ err = mdio_write(phy, MDIO_DEV_VEND1, AQ_IMASK_GLOBAL, IMASK_GLOBAL);
+ return err;
+}
+
+static int aq100x_intr_disable(struct cphy *phy)
+{
+ return mdio_write(phy, MDIO_DEV_VEND1, AQ_IMASK_GLOBAL, 0);
+}
+
+static int aq100x_intr_clear(struct cphy *phy)
+{
+ unsigned int v;
+
+ mdio_read(phy, MDIO_DEV_VEND1, AQ_IFLAG_GLOBAL, &v);
+ mdio_read(phy, MDIO_DEV_PMA_PMD, MII_BMSR, &v);
+
+ return 0;
+}
+
+static int aq100x_intr_handler(struct cphy *phy)
+{
+ int err;
+ unsigned int cause, v;
+
+ err = mdio_read(phy, MDIO_DEV_VEND1, AQ_IFLAG_GLOBAL, &cause);
+ if (err)
+ return err;
+
+ /* Read (and reset) the latching version of the status */
+ mdio_read(phy, MDIO_DEV_PMA_PMD, MII_BMSR, &v);
+
+ return cphy_cause_link_change;
+}
+
+static int aq100x_power_down(struct cphy *phy, int off)
+{
+ return t3_mdio_change_bits(phy, MDIO_DEV_PMA_PMD, MII_BMCR, BMCR_PDOWN,
+ off ? BMCR_PDOWN : 0);
+}
+
+static int aq100x_autoneg_enable(struct cphy *phy)
+{
+ int err = aq100x_power_down(phy, 0);
+ if (!err)
+ err = t3_mdio_change_bits(phy, MDIO_DEV_ANEG, MII_BMCR, 0,
+ BMCR_ANENABLE | BMCR_ANRESTART);
+
+ return err;
+}
+
+static int aq100x_autoneg_restart(struct cphy *phy)
+{
+ int err = aq100x_power_down(phy, 0);
+
+ if (!err)
+ err = t3_mdio_change_bits(phy, MDIO_DEV_ANEG, MII_BMCR,
+ 0, BMCR_ANRESTART);
+
+ return err;
+}
+
+static int aq100x_advertise(struct cphy *phy, unsigned int advertise_map)
+{
+ unsigned int adv;
+ int err;
+
+ /* 10G advertisement */
+ adv = 0;
+ if (advertise_map & ADVERTISED_10000baseT_Full)
+ adv |= ADV_10G_FULL;
+ err = t3_mdio_change_bits(phy, MDIO_DEV_ANEG, AQ_10G_CTRL,
+ ADV_10G_FULL, adv);
+ if (err)
+ return err;
+
+ /* 1G advertisement */
+ adv = 0;
+ if (advertise_map & ADVERTISED_1000baseT_Full)
+ adv |= ADV_1G_FULL;
+ if (advertise_map & ADVERTISED_1000baseT_Half)
+ adv |= ADV_1G_HALF;
+ err = t3_mdio_change_bits(phy, MDIO_DEV_ANEG, AQ_1G_CTRL,
+ ADV_1G_FULL | ADV_1G_HALF, adv);
+ if (err)
+ return err;
+
+ /* 100M, pause advertisement */
+ adv = 0;
+ if (advertise_map & ADVERTISED_100baseT_Half)
+ adv |= ADVERTISE_100HALF;
+ if (advertise_map & ADVERTISED_100baseT_Full)
+ adv |= ADVERTISE_100FULL;
+ if (advertise_map & ADVERTISED_Pause)
+ adv |= ADVERTISE_PAUSE_CAP;
+ if (advertise_map & ADVERTISED_Asym_Pause)
+ adv |= ADVERTISE_PAUSE_ASYM;
+ err = t3_mdio_change_bits(phy, MDIO_DEV_ANEG, AQ_100M_CTRL, 0xfe0, adv);
+
+ return err;
+}
+
+static int aq100x_set_loopback(struct cphy *phy, int mmd, int dir, int enable)
+{
+ return t3_mdio_change_bits(phy, MDIO_DEV_PMA_PMD, MII_BMCR,
+ BMCR_LOOPBACK, enable ? BMCR_LOOPBACK : 0);
+}
+
+static int aq100x_set_speed_duplex(struct cphy *phy, int speed, int duplex)
+{
+ /* no can do */
+ return -1;
+}
+
+static int aq100x_get_link_status(struct cphy *phy, int *link_ok,
+ int *speed, int *duplex, int *fc)
+{
+ int err;
+ unsigned int v;
+
+ if (link_ok) {
+ err = mdio_read(phy, MDIO_DEV_PMA_PMD, AQ_LINK_STAT, &v);
+ if (err)
+ return err;
+
+ *link_ok = v & 1;
+ if (!*link_ok)
+ return 0;
+ }
+
+ err = mdio_read(phy, MDIO_DEV_ANEG, AQ_ANEG_STAT, &v);
+ if (err)
+ return err;
+
+ if (speed) {
+ switch (v & 0x6) {
+ case 0x6:
+ *speed = SPEED_10000;
+ break;
+ case 0x4:
+ *speed = SPEED_1000;
+ break;
+ case 0x2:
+ *speed = SPEED_100;
+ break;
+ case 0x0:
+ *speed = SPEED_10;
+ break;
+ }
+ }
+
+ if (duplex)
+ *duplex = v & 1 ? DUPLEX_FULL : DUPLEX_HALF;
+
+ return 0;
+}
+
+static struct cphy_ops aq100x_ops = {
+ .reset = aq100x_reset,
+ .intr_enable = aq100x_intr_enable,
+ .intr_disable = aq100x_intr_disable,
+ .intr_clear = aq100x_intr_clear,
+ .intr_handler = aq100x_intr_handler,
+ .autoneg_enable = aq100x_autoneg_enable,
+ .autoneg_restart = aq100x_autoneg_restart,
+ .advertise = aq100x_advertise,
+ .set_loopback = aq100x_set_loopback,
+ .set_speed_duplex = aq100x_set_speed_duplex,
+ .get_link_status = aq100x_get_link_status,
+ .power_down = aq100x_power_down,
+};
+
+int t3_aq100x_phy_prep(struct cphy *phy, struct adapter *adapter, int phy_addr,
+ const struct mdio_ops *mdio_ops)
+{
+ unsigned int v, v2, gpio, wait;
+ int err;
+
+ cphy_init(phy, adapter, phy_addr, &aq100x_ops, mdio_ops,
+ SUPPORTED_1000baseT_Full | SUPPORTED_10000baseT_Full |
+ SUPPORTED_Autoneg | SUPPORTED_AUI, "1000/10GBASE-T");
+
+ /*
+ * The PHY has been out of reset ever since the system powered up. So
+ * we do a hard reset over here.
+ */
+ gpio = phy_addr ? F_GPIO10_OUT_VAL : F_GPIO6_OUT_VAL;
+ t3_set_reg_field(adapter, A_T3DBG_GPIO_EN, gpio, 0);
+ msleep(1);
+ t3_set_reg_field(adapter, A_T3DBG_GPIO_EN, gpio, gpio);
+
+ /*
+ * Give it enough time to load the firmware and get ready for mdio.
+ */
+ msleep(1000);
+ wait = 500; /* in 10ms increments */
+ do {
+ err = mdio_read(phy, MDIO_DEV_VEND1, MII_BMCR, &v);
+ if (err || v == 0xffff) {
+
+ /* Allow prep_adapter to succeed when ffff is read */
+
+ CH_WARN(adapter, "PHY%d: reset failed (0x%x, 0x%x).\n",
+ phy_addr, err, v);
+ goto done;
+ }
+
+ v &= AQ_RESET;
+ if (v)
+ msleep(10);
+ } while (v && --wait);
+ if (v) {
+ CH_WARN(adapter, "PHY%d: reset timed out (0x%x).\n",
+ phy_addr, v);
+
+ goto done; /* let prep_adapter succeed */
+ }
+
+ /* Datasheet says 3s max but this has been observed */
+ wait = (500 - wait) * 10 + 1000;
+ if (wait > 3000)
+ CH_WARN(adapter, "PHY%d: reset took %ums\n", phy_addr, wait);
+
+ /* Firmware version check. */
+ (void) mdio_read(phy, MDIO_DEV_VEND1, AQ_FW_VERSION, &v);
+ if (v != 30) {
+ CH_WARN(adapter, "PHY%d: unsupported firmware %d\n",
+ phy_addr, v);
+ return (0); /* allow t3_prep_adapter to succeed */
+ }
+
+ /*
+ * The PHY should start in really-low-power mode. Prepare it for normal
+ * operations.
+ */
+ err = mdio_read(phy, MDIO_DEV_VEND1, MII_BMCR, &v);
+ if (err)
+ return err;
+ if (v & AQ_LOWPOWER) {
+ err = t3_mdio_change_bits(phy, MDIO_DEV_VEND1, MII_BMCR,
+ AQ_LOWPOWER, 0);
+ if (err)
+ return err;
+ msleep(10);
+ } else
+ CH_WARN(adapter, "PHY%d does not start in low power mode.\n",
+ phy_addr);
+
+ /*
+ * Verify XAUI settings, but let prep succeed no matter what.
+ */
+ v = v2 = 0;
+ mdio_read(phy, MDIO_DEV_XGXS, AQ_XAUI_RX_CFG, &v);
+ mdio_read(phy, MDIO_DEV_XGXS, AQ_XAUI_TX_CFG, &v2);
+ if (v != 0x1b || v2 != 0x1b)
+ CH_WARN(adapter, "PHY%d: incorrect XAUI settings (0x%x, 0x%x).\n",
+ phy_addr, v, v2);
+
+done:
+ return err;
+}
diff --git a/drivers/net/cxgb3/common.h b/drivers/net/cxgb3/common.h
index e508dc3..8491211 100644
--- a/drivers/net/cxgb3/common.h
+++ b/drivers/net/cxgb3/common.h
@@ -819,8 +819,12 @@ int t3_ael1006_phy_prep(struct cphy *phy, struct adapter *adapter,
int phy_addr, const struct mdio_ops *mdio_ops);
int t3_ael2005_phy_prep(struct cphy *phy, struct adapter *adapter,
int phy_addr, const struct mdio_ops *mdio_ops);
+int t3_ael2020_phy_prep(struct cphy *phy, struct adapter *adapter,
+ int phy_addr, const struct mdio_ops *mdio_ops);
int t3_qt2045_phy_prep(struct cphy *phy, struct adapter *adapter, int phy_addr,
const struct mdio_ops *mdio_ops);
int t3_xaui_direct_phy_prep(struct cphy *phy, struct adapter *adapter,
int phy_addr, const struct mdio_ops *mdio_ops);
+int t3_aq100x_phy_prep(struct cphy *phy, struct adapter *adapter,
+ int phy_addr, const struct mdio_ops *mdio_ops);
#endif /* __CHELSIO_COMMON_H */
diff --git a/drivers/net/cxgb3/cxgb3_main.c b/drivers/net/cxgb3/cxgb3_main.c
index 6021ef6..3517f93 100644
--- a/drivers/net/cxgb3/cxgb3_main.c
+++ b/drivers/net/cxgb3/cxgb3_main.c
@@ -94,6 +94,8 @@ static const struct pci_device_id cxgb3_pci_tbl[] = {
CH_DEVICE(0x31, 3), /* T3B20 */
CH_DEVICE(0x32, 1), /* T3B02 */
CH_DEVICE(0x35, 6), /* T3C20-derived T3C10 */
+ CH_DEVICE(0x36, 3), /* S320E-CR */
+ CH_DEVICE(0x37, 7), /* N320E-G2 */
{0,}
};
@@ -2541,14 +2543,16 @@ static void check_link_status(struct adapter *adapter)
for_each_port(adapter, i) {
struct net_device *dev = adapter->port[i];
struct port_info *p = netdev_priv(dev);
+ int link_fault;
spin_lock_irq(&adapter->work_lock);
- if (p->link_fault) {
+ link_fault = p->link_fault;
+ spin_unlock_irq(&adapter->work_lock);
+
+ if (link_fault) {
t3_link_fault(adapter, i);
- spin_unlock_irq(&adapter->work_lock);
continue;
}
- spin_unlock_irq(&adapter->work_lock);
if (!(p->phy.caps & SUPPORTED_IRQ) && netif_running(dev)) {
t3_xgm_intr_disable(adapter, i);
diff --git a/drivers/net/cxgb3/sge.c b/drivers/net/cxgb3/sge.c
index f7abd2a..6d8a3bd 100644
--- a/drivers/net/cxgb3/sge.c
+++ b/drivers/net/cxgb3/sge.c
@@ -50,6 +50,7 @@
#define SGE_RX_COPY_THRES 256
#define SGE_RX_PULL_LEN 128
+#define SGE_PG_RSVD SMP_CACHE_BYTES
/*
* Page chunk size for FL0 buffers if FL0 is to be populated with page chunks.
* It must be a divisor of PAGE_SIZE. If set to 0 FL0 will use sk_buffs
@@ -57,8 +58,10 @@
*/
#define FL0_PG_CHUNK_SIZE 2048
#define FL0_PG_ORDER 0
+#define FL0_PG_ALLOC_SIZE (PAGE_SIZE << FL0_PG_ORDER)
#define FL1_PG_CHUNK_SIZE (PAGE_SIZE > 8192 ? 16384 : 8192)
#define FL1_PG_ORDER (PAGE_SIZE > 8192 ? 0 : 1)
+#define FL1_PG_ALLOC_SIZE (PAGE_SIZE << FL1_PG_ORDER)
#define SGE_RX_DROP_THRES 16
#define RX_RECLAIM_PERIOD (HZ/4)
@@ -345,13 +348,21 @@ static inline int should_restart_tx(const struct sge_txq *q)
return q->in_use - r < (q->size >> 1);
}
-static void clear_rx_desc(const struct sge_fl *q, struct rx_sw_desc *d)
+static void clear_rx_desc(struct pci_dev *pdev, const struct sge_fl *q,
+ struct rx_sw_desc *d)
{
- if (q->use_pages) {
- if (d->pg_chunk.page)
- put_page(d->pg_chunk.page);
+ if (q->use_pages && d->pg_chunk.page) {
+ (*d->pg_chunk.p_cnt)--;
+ if (!*d->pg_chunk.p_cnt)
+ pci_unmap_page(pdev,
+ d->pg_chunk.mapping,
+ q->alloc_size, PCI_DMA_FROMDEVICE);
+
+ put_page(d->pg_chunk.page);
d->pg_chunk.page = NULL;
} else {
+ pci_unmap_single(pdev, pci_unmap_addr(d, dma_addr),
+ q->buf_size, PCI_DMA_FROMDEVICE);
kfree_skb(d->skb);
d->skb = NULL;
}
@@ -372,9 +383,8 @@ static void free_rx_bufs(struct pci_dev *pdev, struct sge_fl *q)
while (q->credits--) {
struct rx_sw_desc *d = &q->sdesc[cidx];
- pci_unmap_single(pdev, pci_unmap_addr(d, dma_addr),
- q->buf_size, PCI_DMA_FROMDEVICE);
- clear_rx_desc(q, d);
+
+ clear_rx_desc(pdev, q, d);
if (++cidx == q->size)
cidx = 0;
}
@@ -417,18 +427,39 @@ static inline int add_one_rx_buf(void *va, unsigned int len,
return 0;
}
-static int alloc_pg_chunk(struct sge_fl *q, struct rx_sw_desc *sd, gfp_t gfp,
+static inline int add_one_rx_chunk(dma_addr_t mapping, struct rx_desc *d,
+ unsigned int gen)
+{
+ d->addr_lo = cpu_to_be32(mapping);
+ d->addr_hi = cpu_to_be32((u64) mapping >> 32);
+ wmb();
+ d->len_gen = cpu_to_be32(V_FLD_GEN1(gen));
+ d->gen2 = cpu_to_be32(V_FLD_GEN2(gen));
+ return 0;
+}
+
+static int alloc_pg_chunk(struct adapter *adapter, struct sge_fl *q,
+ struct rx_sw_desc *sd, gfp_t gfp,
unsigned int order)
{
if (!q->pg_chunk.page) {
+ dma_addr_t mapping;
+
q->pg_chunk.page = alloc_pages(gfp, order);
if (unlikely(!q->pg_chunk.page))
return -ENOMEM;
q->pg_chunk.va = page_address(q->pg_chunk.page);
+ q->pg_chunk.p_cnt = q->pg_chunk.va + (PAGE_SIZE << order) -
+ SGE_PG_RSVD;
q->pg_chunk.offset = 0;
+ mapping = pci_map_page(adapter->pdev, q->pg_chunk.page,
+ 0, q->alloc_size, PCI_DMA_FROMDEVICE);
+ q->pg_chunk.mapping = mapping;
}
sd->pg_chunk = q->pg_chunk;
+ prefetch(sd->pg_chunk.p_cnt);
+
q->pg_chunk.offset += q->buf_size;
if (q->pg_chunk.offset == (PAGE_SIZE << order))
q->pg_chunk.page = NULL;
@@ -436,6 +467,12 @@ static int alloc_pg_chunk(struct sge_fl *q, struct rx_sw_desc *sd, gfp_t gfp,
q->pg_chunk.va += q->buf_size;
get_page(q->pg_chunk.page);
}
+
+ if (sd->pg_chunk.offset == 0)
+ *sd->pg_chunk.p_cnt = 1;
+ else
+ *sd->pg_chunk.p_cnt += 1;
+
return 0;
}
@@ -460,35 +497,42 @@ static inline void ring_fl_db(struct adapter *adap, struct sge_fl *q)
*/
static int refill_fl(struct adapter *adap, struct sge_fl *q, int n, gfp_t gfp)
{
- void *buf_start;
struct rx_sw_desc *sd = &q->sdesc[q->pidx];
struct rx_desc *d = &q->desc[q->pidx];
unsigned int count = 0;
while (n--) {
+ dma_addr_t mapping;
int err;
if (q->use_pages) {
- if (unlikely(alloc_pg_chunk(q, sd, gfp, q->order))) {
+ if (unlikely(alloc_pg_chunk(adap, q, sd, gfp,
+ q->order))) {
nomem: q->alloc_failed++;
break;
}
- buf_start = sd->pg_chunk.va;
+ mapping = sd->pg_chunk.mapping + sd->pg_chunk.offset;
+ pci_unmap_addr_set(sd, dma_addr, mapping);
+
+ add_one_rx_chunk(mapping, d, q->gen);
+ pci_dma_sync_single_for_device(adap->pdev, mapping,
+ q->buf_size - SGE_PG_RSVD,
+ PCI_DMA_FROMDEVICE);
} else {
- struct sk_buff *skb = alloc_skb(q->buf_size, gfp);
+ void *buf_start;
+ struct sk_buff *skb = alloc_skb(q->buf_size, gfp);
if (!skb)
goto nomem;
sd->skb = skb;
buf_start = skb->data;
- }
-
- err = add_one_rx_buf(buf_start, q->buf_size, d, sd, q->gen,
- adap->pdev);
- if (unlikely(err)) {
- clear_rx_desc(q, sd);
- break;
+ err = add_one_rx_buf(buf_start, q->buf_size, d, sd,
+ q->gen, adap->pdev);
+ if (unlikely(err)) {
+ clear_rx_desc(adap->pdev, q, sd);
+ break;
+ }
}
d++;
@@ -799,19 +843,19 @@ static struct sk_buff *get_packet_pg(struct adapter *adap, struct sge_fl *fl,
struct sk_buff *newskb, *skb;
struct rx_sw_desc *sd = &fl->sdesc[fl->cidx];
- newskb = skb = q->pg_skb;
+ dma_addr_t dma_addr = pci_unmap_addr(sd, dma_addr);
+ newskb = skb = q->pg_skb;
if (!skb && (len <= SGE_RX_COPY_THRES)) {
newskb = alloc_skb(len, GFP_ATOMIC);
if (likely(newskb != NULL)) {
__skb_put(newskb, len);
- pci_dma_sync_single_for_cpu(adap->pdev,
- pci_unmap_addr(sd, dma_addr), len,
+ pci_dma_sync_single_for_cpu(adap->pdev, dma_addr, len,
PCI_DMA_FROMDEVICE);
memcpy(newskb->data, sd->pg_chunk.va, len);
- pci_dma_sync_single_for_device(adap->pdev,
- pci_unmap_addr(sd, dma_addr), len,
- PCI_DMA_FROMDEVICE);
+ pci_dma_sync_single_for_device(adap->pdev, dma_addr,
+ len,
+ PCI_DMA_FROMDEVICE);
} else if (!drop_thres)
return NULL;
recycle:
@@ -824,16 +868,25 @@ recycle:
if (unlikely(q->rx_recycle_buf || (!skb && fl->credits <= drop_thres)))
goto recycle;
+ prefetch(sd->pg_chunk.p_cnt);
+
if (!skb)
newskb = alloc_skb(SGE_RX_PULL_LEN, GFP_ATOMIC);
+
if (unlikely(!newskb)) {
if (!drop_thres)
return NULL;
goto recycle;
}
- pci_unmap_single(adap->pdev, pci_unmap_addr(sd, dma_addr),
- fl->buf_size, PCI_DMA_FROMDEVICE);
+ pci_dma_sync_single_for_cpu(adap->pdev, dma_addr, len,
+ PCI_DMA_FROMDEVICE);
+ (*sd->pg_chunk.p_cnt)--;
+ if (!*sd->pg_chunk.p_cnt)
+ pci_unmap_page(adap->pdev,
+ sd->pg_chunk.mapping,
+ fl->alloc_size,
+ PCI_DMA_FROMDEVICE);
if (!skb) {
__skb_put(newskb, SGE_RX_PULL_LEN);
memcpy(newskb->data, sd->pg_chunk.va, SGE_RX_PULL_LEN);
@@ -1964,8 +2017,8 @@ static void rx_eth(struct adapter *adap, struct sge_rspq *rq,
skb->protocol = eth_type_trans(skb, adap->port[p->iff]);
skb->dev->last_rx = jiffies;
pi = netdev_priv(skb->dev);
- if ((pi->rx_offload & T3_RX_CSUM) && p->csum_valid && p->csum == htons(0xffff) &&
- !p->fragment) {
+ if ((pi->rx_offload & T3_RX_CSUM) && p->csum_valid &&
+ p->csum == htons(0xffff) && !p->fragment) {
qs->port_stats[SGE_PSTAT_RX_CSUM_GOOD]++;
skb->ip_summed = CHECKSUM_UNNECESSARY;
} else
@@ -2038,8 +2091,17 @@ static void lro_add_page(struct adapter *adap, struct sge_qset *qs,
fl->credits--;
- pci_unmap_single(adap->pdev, pci_unmap_addr(sd, dma_addr),
- fl->buf_size, PCI_DMA_FROMDEVICE);
+ pci_dma_sync_single_for_cpu(adap->pdev,
+ pci_unmap_addr(sd, dma_addr),
+ fl->buf_size - SGE_PG_RSVD,
+ PCI_DMA_FROMDEVICE);
+
+ (*sd->pg_chunk.p_cnt)--;
+ if (!*sd->pg_chunk.p_cnt)
+ pci_unmap_page(adap->pdev,
+ sd->pg_chunk.mapping,
+ fl->alloc_size,
+ PCI_DMA_FROMDEVICE);
if (!skb) {
put_page(sd->pg_chunk.page);
@@ -2069,6 +2131,7 @@ static void lro_add_page(struct adapter *adap, struct sge_qset *qs,
skb->truesize += len;
skb_shinfo(skb)->nr_frags++;
+
if (!complete)
return;
@@ -3003,21 +3066,24 @@ int t3_sge_alloc_qset(struct adapter *adapter, unsigned int id, int nports,
q->fl[1].use_pages = FL1_PG_CHUNK_SIZE > 0;
q->fl[0].order = FL0_PG_ORDER;
q->fl[1].order = FL1_PG_ORDER;
+ q->fl[0].alloc_size = FL0_PG_ALLOC_SIZE;
+ q->fl[1].alloc_size = FL1_PG_ALLOC_SIZE;
spin_lock_irq(&adapter->sge.reg_lock);
/* FL threshold comparison uses < */
ret = t3_sge_init_rspcntxt(adapter, q->rspq.cntxt_id, irq_vec_idx,
q->rspq.phys_addr, q->rspq.size,
- q->fl[0].buf_size, 1, 0);
+ q->fl[0].buf_size - SGE_PG_RSVD, 1, 0);
if (ret)
goto err_unlock;
for (i = 0; i < SGE_RXQ_PER_SET; ++i) {
ret = t3_sge_init_flcntxt(adapter, q->fl[i].cntxt_id, 0,
q->fl[i].phys_addr, q->fl[i].size,
- q->fl[i].buf_size, p->cong_thres, 1,
- 0);
+ q->fl[i].buf_size - SGE_PG_RSVD,
+ p->cong_thres, 1, 0);
+
if (ret)
goto err_unlock;
}
diff --git a/drivers/net/cxgb3/t3_hw.c b/drivers/net/cxgb3/t3_hw.c
index 1c7f116..dc412fc 100644
--- a/drivers/net/cxgb3/t3_hw.c
+++ b/drivers/net/cxgb3/t3_hw.c
@@ -545,6 +545,8 @@ static const struct port_type_info port_types[] = {
{ t3_qt2045_phy_prep },
{ t3_ael1006_phy_prep },
{ NULL },
+ { t3_aq100x_phy_prep },
+ { t3_ael2020_phy_prep },
};
#define VPD_ENTRY(name, len) \
@@ -1274,6 +1276,11 @@ void t3_link_fault(struct adapter *adapter, int port_id)
A_XGM_INT_STATUS + mac->offset);
link_fault &= F_LINKFAULTCHANGE;
+ link_ok = lc->link_ok;
+ speed = lc->speed;
+ duplex = lc->duplex;
+ fc = lc->fc;
+
phy->ops->get_link_status(phy, &link_ok, &speed, &duplex, &fc);
if (link_fault) {
distrib
>
Scientific%20Linux
>
5x
>
x86_64
>
by-pkgid
>
fc11cd6e1c513a17304da94a5390f3cd
>
files
>
2072
