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-rw-r--r--drivers/net/phy/Kconfig4
-rw-r--r--drivers/net/phy/Makefile1
-rw-r--r--drivers/net/phy/aquantia.c41
-rw-r--r--drivers/net/phy/dp83867.c12
-rw-r--r--drivers/net/phy/marvell.c65
-rw-r--r--drivers/net/phy/ncsi.c897
-rw-r--r--drivers/net/phy/phy.c11
7 files changed, 955 insertions, 76 deletions
diff --git a/drivers/net/phy/Kconfig b/drivers/net/phy/Kconfig
index dceea1516f..d1f049e62a 100644
--- a/drivers/net/phy/Kconfig
+++ b/drivers/net/phy/Kconfig
@@ -267,4 +267,8 @@ config PHY_FIXED
on, the link is always up with fixed speed and fixed duplex-setting.
More information: doc/device-tree-bindings/net/fixed-link.txt
+config PHY_NCSI
+ bool "NC-SI based PHY"
+ depends on DM_ETH
+
endif #PHYLIB
diff --git a/drivers/net/phy/Makefile b/drivers/net/phy/Makefile
index 78955c57a8..1d81516ecd 100644
--- a/drivers/net/phy/Makefile
+++ b/drivers/net/phy/Makefile
@@ -31,3 +31,4 @@ obj-$(CONFIG_PHY_XILINX_GMII2RGMII) += xilinx_gmii2rgmii.o
obj-$(CONFIG_PHY_VITESSE) += vitesse.o
obj-$(CONFIG_PHY_MSCC) += mscc.o
obj-$(CONFIG_PHY_FIXED) += fixed.o
+obj-$(CONFIG_PHY_NCSI) += ncsi.o
diff --git a/drivers/net/phy/aquantia.c b/drivers/net/phy/aquantia.c
index c4bd443001..8ece926dd3 100644
--- a/drivers/net/phy/aquantia.c
+++ b/drivers/net/phy/aquantia.c
@@ -306,30 +306,29 @@ struct {
AQUANTIA_VND1_GSTART_RATE_1G},
[PHY_INTERFACE_MODE_SGMII_2500] = {0x144, AQUANTIA_VND1_GSYSCFG_2_5G,
AQUANTIA_VND1_GSTART_RATE_2_5G},
- [PHY_INTERFACE_MODE_XGMII] = {0x100, AQUANTIA_VND1_GSYSCFG_10G,
- AQUANTIA_VND1_GSTART_RATE_10G},
[PHY_INTERFACE_MODE_XFI] = {0x100, AQUANTIA_VND1_GSYSCFG_10G,
AQUANTIA_VND1_GSTART_RATE_10G},
[PHY_INTERFACE_MODE_USXGMII] = {0x080, AQUANTIA_VND1_GSYSCFG_10G,
AQUANTIA_VND1_GSTART_RATE_10G},
};
-static int aquantia_set_proto(struct phy_device *phydev)
+static int aquantia_set_proto(struct phy_device *phydev,
+ phy_interface_t interface)
{
int i;
- if (!aquantia_syscfg[phydev->interface].cnt)
+ if (!aquantia_syscfg[interface].cnt)
return 0;
/* set the default rate to enable the SI link */
phy_write(phydev, MDIO_MMD_VEND1, AQUANTIA_VND1_GSTART_RATE,
- aquantia_syscfg[phydev->interface].start_rate);
+ aquantia_syscfg[interface].start_rate);
/* set selected protocol for all relevant line side link speeds */
- for (i = 0; i <= aquantia_syscfg[phydev->interface].cnt; i++)
+ for (i = 0; i <= aquantia_syscfg[interface].cnt; i++)
phy_write(phydev, MDIO_MMD_VEND1,
AQUANTIA_VND1_GSYSCFG_BASE + i,
- aquantia_syscfg[phydev->interface].syscfg);
+ aquantia_syscfg[interface].syscfg);
return 0;
}
@@ -425,9 +424,9 @@ int aquantia_config(struct phy_device *phydev)
fault = phy_read(phydev, MDIO_MMD_VEND1, GLOBAL_FAULT);
if (id != 0)
- printf("%s running firmware version %X.%X.%X\n",
- phydev->dev->name, (id >> 8), id & 0xff,
- (rstatus >> 4) & 0xf);
+ debug("%s running firmware version %X.%X.%X\n",
+ phydev->dev->name, (id >> 8), id & 0xff,
+ (rstatus >> 4) & 0xf);
if (fault != 0)
printf("%s fault 0x%04x detected\n", phydev->dev->name, fault);
@@ -444,6 +443,8 @@ int aquantia_config(struct phy_device *phydev)
* on FW config
*/
if (interface == PHY_INTERFACE_MODE_XGMII) {
+ debug("use XFI or USXGMII SI protos, XGMII is not valid\n");
+
reg_val1 = phy_read(phydev, MDIO_MMD_PHYXS,
AQUANTIA_SYSTEM_INTERFACE_SR);
if ((reg_val1 & AQUANTIA_SI_IN_USE_MASK) == AQUANTIA_SI_USXGMII)
@@ -466,7 +467,7 @@ int aquantia_config(struct phy_device *phydev)
mdelay(10);
/* configure protocol based on phydev->interface */
- aquantia_set_proto(phydev);
+ aquantia_set_proto(phydev, interface);
/* apply custom configuration based on DT */
aquantia_dts_config(phydev);
@@ -506,12 +507,12 @@ int aquantia_config(struct phy_device *phydev)
if (usx_an) {
reg_val1 |= AQUANTIA_USX_AUTONEG_CONTROL_ENA;
- printf("%s: system interface USXGMII\n",
- phydev->dev->name);
+ debug("%s: system interface USXGMII\n",
+ phydev->dev->name);
} else {
reg_val1 &= ~AQUANTIA_USX_AUTONEG_CONTROL_ENA;
- printf("%s: system interface XFI\n",
- phydev->dev->name);
+ debug("%s: system interface XFI\n",
+ phydev->dev->name);
}
phy_write(phydev, MDIO_MMD_PHYXS,
@@ -538,11 +539,11 @@ int aquantia_config(struct phy_device *phydev)
val = phy_read(phydev, MDIO_MMD_VEND1, AQUANTIA_RESERVED_STATUS);
reg_val1 = phy_read(phydev, MDIO_MMD_VEND1, AQUANTIA_FIRMWARE_ID);
- printf("%s: %s Firmware Version %x.%x.%x\n", phydev->dev->name,
- phydev->drv->name,
- (reg_val1 & AQUANTIA_FIRMWARE_MAJOR_MASK) >> 8,
- reg_val1 & AQUANTIA_FIRMWARE_MINOR_MASK,
- (val & AQUANTIA_FIRMWARE_BUILD_MASK) >> 4);
+ debug("%s: %s Firmware Version %x.%x.%x\n", phydev->dev->name,
+ phydev->drv->name,
+ (reg_val1 & AQUANTIA_FIRMWARE_MAJOR_MASK) >> 8,
+ reg_val1 & AQUANTIA_FIRMWARE_MINOR_MASK,
+ (val & AQUANTIA_FIRMWARE_BUILD_MASK) >> 4);
return 0;
}
diff --git a/drivers/net/phy/dp83867.c b/drivers/net/phy/dp83867.c
index 0098997c0c..50804c130e 100644
--- a/drivers/net/phy/dp83867.c
+++ b/drivers/net/phy/dp83867.c
@@ -29,6 +29,7 @@
#define DP83867_STRAP_STS2 0x006f
#define DP83867_RGMIIDCTL 0x0086
#define DP83867_IO_MUX_CFG 0x0170
+#define DP83867_SGMIICTL 0x00D3
#define DP83867_SW_RESET BIT(15)
#define DP83867_SW_RESTART BIT(14)
@@ -101,6 +102,9 @@
/* CFG4 bits */
#define DP83867_CFG4_PORT_MIRROR_EN BIT(0)
+/* SGMIICTL bits */
+#define DP83867_SGMII_TYPE BIT(14)
+
enum {
DP83867_PORT_MIRRORING_KEEP,
DP83867_PORT_MIRRORING_EN,
@@ -116,6 +120,7 @@ struct dp83867_private {
int port_mirroring;
bool set_clk_output;
unsigned int clk_output_sel;
+ bool sgmii_ref_clk_en;
};
static int dp83867_config_port_mirroring(struct phy_device *phydev)
@@ -236,6 +241,9 @@ static int dp83867_of_init(struct phy_device *phydev)
if (ofnode_read_bool(node, "enet-phy-lane-no-swap"))
dp83867->port_mirroring = DP83867_PORT_MIRRORING_DIS;
+ if (ofnode_read_bool(node, "ti,sgmii-ref-clock-output-enable"))
+ dp83867->sgmii_ref_clk_en = true;
+
return 0;
}
#else
@@ -331,6 +339,10 @@ static int dp83867_config(struct phy_device *phydev)
}
if (phy_interface_is_sgmii(phydev)) {
+ if (dp83867->sgmii_ref_clk_en)
+ phy_write_mmd(phydev, DP83867_DEVADDR, DP83867_SGMIICTL,
+ DP83867_SGMII_TYPE);
+
phy_write(phydev, MDIO_DEVAD_NONE, MII_BMCR,
(BMCR_ANENABLE | BMCR_FULLDPLX | BMCR_SPEED1000));
diff --git a/drivers/net/phy/marvell.c b/drivers/net/phy/marvell.c
index efbbd31ff7..93cf44ad4c 100644
--- a/drivers/net/phy/marvell.c
+++ b/drivers/net/phy/marvell.c
@@ -303,9 +303,9 @@ static int m88e1111s_config(struct phy_device *phydev)
}
/**
- * m88e1518_phy_writebits - write bits to a register
+ * m88e151x_phy_writebits - write bits to a register
*/
-void m88e1518_phy_writebits(struct phy_device *phydev,
+void m88e151x_phy_writebits(struct phy_device *phydev,
u8 reg_num, u16 offset, u16 len, u16 data)
{
u16 reg, mask;
@@ -323,7 +323,7 @@ void m88e1518_phy_writebits(struct phy_device *phydev,
phy_write(phydev, MDIO_DEVAD_NONE, reg_num, reg);
}
-static int m88e1518_config(struct phy_device *phydev)
+static int m88e151x_config(struct phy_device *phydev)
{
u16 reg;
@@ -350,11 +350,11 @@ static int m88e1518_config(struct phy_device *phydev)
phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1118_PHY_PAGE, 18);
/* In reg 20, write MODE[2:0] = 0x1 (SGMII to Copper) */
- m88e1518_phy_writebits(phydev, MIIM_88E151x_GENERAL_CTRL,
+ m88e151x_phy_writebits(phydev, MIIM_88E151x_GENERAL_CTRL,
0, 3, MIIM_88E151x_MODE_SGMII);
/* PHY reset is necessary after changing MODE[2:0] */
- m88e1518_phy_writebits(phydev, MIIM_88E151x_GENERAL_CTRL,
+ m88e151x_phy_writebits(phydev, MIIM_88E151x_GENERAL_CTRL,
MIIM_88E151x_RESET_OFFS, 1, 1);
/* Reset page selection */
@@ -401,33 +401,6 @@ static int m88e1518_config(struct phy_device *phydev)
return 0;
}
-/* Marvell 88E1510 */
-static int m88e1510_config(struct phy_device *phydev)
-{
- /* Select page 3 */
- phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1118_PHY_PAGE,
- MIIM_88E1118_PHY_LED_PAGE);
-
- /* Enable INTn output on LED[2] */
- m88e1518_phy_writebits(phydev, MIIM_88E151x_LED_TIMER_CTRL,
- MIIM_88E151x_INT_EN_OFFS, 1, 1);
-
- /* Configure LEDs */
- /* LED[0]:0011 (ACT) */
- m88e1518_phy_writebits(phydev, MIIM_88E151x_LED_FUNC_CTRL,
- MIIM_88E151x_LED0_OFFS, MIIM_88E151x_LED_FLD_SZ,
- MIIM_88E151x_LED0_ACT);
- /* LED[1]:0110 (LINK 100/1000 Mbps) */
- m88e1518_phy_writebits(phydev, MIIM_88E151x_LED_FUNC_CTRL,
- MIIM_88E151x_LED1_OFFS, MIIM_88E151x_LED_FLD_SZ,
- MIIM_88E151x_LED1_100_1000_LINK);
-
- /* Reset page selection */
- phy_write(phydev, MDIO_DEVAD_NONE, MIIM_88E1118_PHY_PAGE, 0);
-
- return m88e1518_config(phydev);
-}
-
/* Marvell 88E1118 */
static int m88e1118_config(struct phy_device *phydev)
{
@@ -685,29 +658,12 @@ static struct phy_driver M88E1149S_driver = {
.shutdown = &genphy_shutdown,
};
-static struct phy_driver M88E1510_driver = {
- .name = "Marvell 88E1510",
- .uid = 0x1410dd0,
- .mask = 0xfffffff,
- .features = PHY_GBIT_FEATURES,
- .config = &m88e1510_config,
- .startup = &m88e1011s_startup,
- .shutdown = &genphy_shutdown,
- .readext = &m88e1xxx_phy_extread,
- .writeext = &m88e1xxx_phy_extwrite,
-};
-
-/*
- * This supports:
- * 88E1518, uid 0x1410dd1
- * 88E1512, uid 0x1410dd4
- */
-static struct phy_driver M88E1518_driver = {
- .name = "Marvell 88E1518",
+static struct phy_driver M88E151x_driver = {
+ .name = "Marvell 88E151x",
.uid = 0x1410dd0,
- .mask = 0xffffffa,
+ .mask = 0xffffff0,
.features = PHY_GBIT_FEATURES,
- .config = &m88e1518_config,
+ .config = &m88e151x_config,
.startup = &m88e1011s_startup,
.shutdown = &genphy_shutdown,
.readext = &m88e1xxx_phy_extread,
@@ -744,8 +700,7 @@ int phy_marvell_init(void)
phy_register(&M88E1118R_driver);
phy_register(&M88E1111S_driver);
phy_register(&M88E1011S_driver);
- phy_register(&M88E1510_driver);
- phy_register(&M88E1518_driver);
+ phy_register(&M88E151x_driver);
phy_register(&M88E1680_driver);
return 0;
diff --git a/drivers/net/phy/ncsi.c b/drivers/net/phy/ncsi.c
new file mode 100644
index 0000000000..adc3ac033e
--- /dev/null
+++ b/drivers/net/phy/ncsi.c
@@ -0,0 +1,897 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * NC-SI protocol configuration
+ *
+ * Copyright (C) 2019, IBM Corporation.
+ */
+
+#include <common.h>
+#include <malloc.h>
+#include <phy.h>
+#include <net/ncsi.h>
+#include <net/ncsi-pkt.h>
+#include <asm/unaligned.h>
+
+#define NCSI_PACKAGE_MAX 8
+#define NCSI_CHANNEL_MAX 31
+
+#define NCSI_PACKAGE_SHIFT 5
+#define NCSI_PACKAGE_INDEX(c) (((c) >> NCSI_PACKAGE_SHIFT) & 0x7)
+#define NCSI_RESERVED_CHANNEL 0x1f
+#define NCSI_CHANNEL_INDEX(c) ((c) & ((1 << NCSI_PACKAGE_SHIFT) - 1))
+#define NCSI_TO_CHANNEL(p, c) (((p) << NCSI_PACKAGE_SHIFT) | (c))
+
+#define NCSI_PKT_REVISION 0x01
+
+#define NCSI_CAP_GENERIC_MASK 0x7f
+#define NCSI_CAP_BC_MASK 0x0f
+#define NCSI_CAP_MC_MASK 0x3f
+#define NCSI_CAP_AEN_MASK 0x07
+#define NCSI_CAP_VLAN_MASK 0x07
+
+static void ncsi_send_ebf(unsigned int np, unsigned int nc);
+static void ncsi_send_ae(unsigned int np, unsigned int nc);
+static void ncsi_send_gls(unsigned int np, unsigned int nc);
+static int ncsi_send_command(unsigned int np, unsigned int nc, unsigned int cmd,
+ uchar *payload, int len, bool wait);
+
+struct ncsi_channel {
+ unsigned int id;
+ bool has_link;
+
+ /* capabilities */
+ u32 cap_generic;
+ u32 cap_bc;
+ u32 cap_mc;
+ u32 cap_buffer;
+ u32 cap_aen;
+ u32 cap_vlan;
+
+ /* version information */
+ struct {
+ u32 version; /* Supported BCD encoded NCSI version */
+ u32 alpha2; /* Supported BCD encoded NCSI version */
+ u8 fw_name[12]; /* Firmware name string */
+ u32 fw_version; /* Firmware version */
+ u16 pci_ids[4]; /* PCI identification */
+ u32 mf_id; /* Manufacture ID */
+ } version;
+
+};
+
+struct ncsi_package {
+ unsigned int id;
+ unsigned int n_channels;
+ struct ncsi_channel *channels;
+};
+
+struct ncsi {
+ enum {
+ NCSI_PROBE_PACKAGE_SP,
+ NCSI_PROBE_PACKAGE_DP,
+ NCSI_PROBE_CHANNEL_SP,
+ NCSI_PROBE_CHANNEL,
+ NCSI_CONFIG,
+ } state;
+
+ unsigned int pending_requests;
+ unsigned int requests[256];
+ unsigned int last_request;
+
+ unsigned int current_package;
+ unsigned int current_channel;
+
+ unsigned int n_packages;
+ struct ncsi_package *packages;
+};
+
+struct ncsi *ncsi_priv;
+
+bool ncsi_active(void)
+{
+ unsigned int np, nc;
+
+ if (!ncsi_priv)
+ return false;
+
+ np = ncsi_priv->current_package;
+ nc = ncsi_priv->current_channel;
+
+ if (ncsi_priv->state != NCSI_CONFIG)
+ return false;
+
+ return np < NCSI_PACKAGE_MAX && nc < NCSI_CHANNEL_MAX &&
+ ncsi_priv->packages[np].channels[nc].has_link;
+}
+
+static unsigned int cmd_payload(int cmd)
+{
+ switch (cmd) {
+ case NCSI_PKT_CMD_CIS:
+ return 0;
+ case NCSI_PKT_CMD_SP:
+ return 4;
+ case NCSI_PKT_CMD_DP:
+ return 0;
+ case NCSI_PKT_CMD_EC:
+ return 0;
+ case NCSI_PKT_CMD_DC:
+ return 4;
+ case NCSI_PKT_CMD_RC:
+ return 4;
+ case NCSI_PKT_CMD_ECNT:
+ return 0;
+ case NCSI_PKT_CMD_DCNT:
+ return 0;
+ case NCSI_PKT_CMD_AE:
+ return 8;
+ case NCSI_PKT_CMD_SL:
+ return 8;
+ case NCSI_PKT_CMD_GLS:
+ return 0;
+ case NCSI_PKT_CMD_SVF:
+ return 8;
+ case NCSI_PKT_CMD_EV:
+ return 4;
+ case NCSI_PKT_CMD_DV:
+ return 0;
+ case NCSI_PKT_CMD_SMA:
+ return 8;
+ case NCSI_PKT_CMD_EBF:
+ return 4;
+ case NCSI_PKT_CMD_DBF:
+ return 0;
+ case NCSI_PKT_CMD_EGMF:
+ return 4;
+ case NCSI_PKT_CMD_DGMF:
+ return 0;
+ case NCSI_PKT_CMD_SNFC:
+ return 4;
+ case NCSI_PKT_CMD_GVI:
+ return 0;
+ case NCSI_PKT_CMD_GC:
+ return 0;
+ case NCSI_PKT_CMD_GP:
+ return 0;
+ case NCSI_PKT_CMD_GCPS:
+ return 0;
+ case NCSI_PKT_CMD_GNS:
+ return 0;
+ case NCSI_PKT_CMD_GNPTS:
+ return 0;
+ case NCSI_PKT_CMD_GPS:
+ return 0;
+ default:
+ printf("NCSI: Unknown command 0x%02x\n", cmd);
+ return 0;
+ }
+}
+
+static u32 ncsi_calculate_checksum(unsigned char *data, int len)
+{
+ u32 checksum = 0;
+ int i;
+
+ for (i = 0; i < len; i += 2)
+ checksum += (((u32)data[i] << 8) | data[i + 1]);
+
+ checksum = (~checksum + 1);
+ return checksum;
+}
+
+static int ncsi_validate_rsp(struct ncsi_rsp_pkt *pkt, int payload)
+{
+ struct ncsi_rsp_pkt_hdr *hdr = &pkt->rsp;
+ u32 checksum, c_offset;
+ __be32 pchecksum;
+
+ if (hdr->common.revision != 1) {
+ printf("NCSI: 0x%02x response has unsupported revision 0x%x\n",
+ hdr->common.type, hdr->common.revision);
+ return -1;
+ }
+
+ if (hdr->code != 0) {
+ printf("NCSI: 0x%02x response returns error %d\n",
+ hdr->common.type, __be16_to_cpu(hdr->code));
+ if (ntohs(hdr->reason) == 0x05)
+ printf("(Invalid command length)\n");
+ return -1;
+ }
+
+ if (ntohs(hdr->common.length) != payload) {
+ printf("NCSI: 0x%02x response has incorrect length %d\n",
+ hdr->common.type, hdr->common.length);
+ return -1;
+ }
+
+ c_offset = sizeof(struct ncsi_rsp_pkt_hdr) + payload - sizeof(checksum);
+ pchecksum = get_unaligned_be32((void *)hdr + c_offset);
+ if (pchecksum != 0) {
+ checksum = ncsi_calculate_checksum((unsigned char *)hdr,
+ c_offset);
+ if (pchecksum != checksum) {
+ printf("NCSI: 0x%02x response has invalid checksum\n",
+ hdr->common.type);
+ return -1;
+ }
+ }
+
+ return 0;
+}
+
+static void ncsi_rsp_ec(struct ncsi_rsp_pkt *pkt)
+{
+ struct ncsi_rsp_pkt_hdr *rsp = (struct ncsi_rsp_pkt_hdr *)&pkt->rsp;
+ unsigned int np, nc;
+
+ np = NCSI_PACKAGE_INDEX(rsp->common.channel);
+ nc = NCSI_CHANNEL_INDEX(rsp->common.channel);
+
+ if (ncsi_priv->packages[np].channels[nc].cap_aen != 0)
+ ncsi_send_ae(np, nc);
+ /* else, done */
+}
+
+static void ncsi_rsp_ecnt(struct ncsi_rsp_pkt *pkt)
+{
+ struct ncsi_rsp_pkt_hdr *rsp = (struct ncsi_rsp_pkt_hdr *)&pkt->rsp;
+ unsigned int np, nc;
+
+ np = NCSI_PACKAGE_INDEX(rsp->common.channel);
+ nc = NCSI_CHANNEL_INDEX(rsp->common.channel);
+
+ ncsi_send_command(np, nc, NCSI_PKT_CMD_EC, NULL, 0, true);
+}
+
+static void ncsi_rsp_ebf(struct ncsi_rsp_pkt *pkt)
+{
+ struct ncsi_rsp_pkt_hdr *rsp = (struct ncsi_rsp_pkt_hdr *)&pkt->rsp;
+ unsigned int np, nc;
+
+ np = NCSI_PACKAGE_INDEX(rsp->common.channel);
+ nc = NCSI_CHANNEL_INDEX(rsp->common.channel);
+
+ ncsi_send_command(np, nc, NCSI_PKT_CMD_ECNT, NULL, 0, true);
+}
+
+static void ncsi_rsp_sma(struct ncsi_rsp_pkt *pkt)
+{
+ struct ncsi_rsp_pkt_hdr *rsp = (struct ncsi_rsp_pkt_hdr *)&pkt->rsp;
+ unsigned int np, nc;
+
+ np = NCSI_PACKAGE_INDEX(rsp->common.channel);
+ nc = NCSI_CHANNEL_INDEX(rsp->common.channel);
+
+ ncsi_send_ebf(np, nc);
+}
+
+static void ncsi_rsp_gc(struct ncsi_rsp_pkt *pkt)
+{
+ struct ncsi_rsp_gc_pkt *gc = (struct ncsi_rsp_gc_pkt *)pkt;
+ struct ncsi_rsp_pkt_hdr *rsp = (struct ncsi_rsp_pkt_hdr *)&gc->rsp;
+ struct ncsi_channel *c;
+ unsigned int np, nc;
+
+ np = NCSI_PACKAGE_INDEX(rsp->common.channel);
+ nc = NCSI_CHANNEL_INDEX(rsp->common.channel);
+
+ if (np >= ncsi_priv->n_packages ||
+ nc >= ncsi_priv->packages[np].n_channels) {
+ printf("NCSI: Invalid package / channel (0x%02x, 0x%02x)\n",
+ np, nc);
+ return;
+ }
+
+ c = &ncsi_priv->packages[np].channels[nc];
+ c->cap_generic = ntohl(gc->cap) & NCSI_CAP_GENERIC_MASK;
+ c->cap_bc = ntohl(gc->bc_cap) & NCSI_CAP_BC_MASK;
+ c->cap_mc = ntohl(gc->mc_cap) & NCSI_CAP_MC_MASK;
+ c->cap_aen = ntohl(gc->aen_cap) & NCSI_CAP_AEN_MASK;
+ c->cap_vlan = ntohl(gc->vlan_mode) & NCSI_CAP_VLAN_MASK;
+
+ /* End of probe for this channel */
+}
+
+static void ncsi_rsp_gvi(struct ncsi_rsp_pkt *pkt)
+{
+ struct ncsi_rsp_gvi_pkt *gvi = (struct ncsi_rsp_gvi_pkt *)pkt;
+ struct ncsi_rsp_pkt_hdr *rsp = (struct ncsi_rsp_pkt_hdr *)&gvi->rsp;
+ struct ncsi_channel *c;
+ unsigned int np, nc, i;
+
+ np = NCSI_PACKAGE_INDEX(rsp->common.channel);
+ nc = NCSI_CHANNEL_INDEX(rsp->common.channel);
+
+ if (np >= ncsi_priv->n_packages ||
+ nc >= ncsi_priv->packages[np].n_channels) {
+ printf("NCSI: Invalid package / channel (0x%02x, 0x%02x)\n",
+ np, nc);
+ return;
+ }
+
+ c = &ncsi_priv->packages[np].channels[nc];
+ c->version.version = get_unaligned_be32(&gvi->ncsi_version);
+ c->version.alpha2 = gvi->alpha2;
+ memcpy(c->version.fw_name, gvi->fw_name, sizeof(c->version.fw_name));
+ c->version.fw_version = get_unaligned_be32(&gvi->fw_version);
+ for (i = 0; i < ARRAY_SIZE(c->version.pci_ids); i++)
+ c->version.pci_ids[i] = get_unaligned_be16(gvi->pci_ids + i);
+ c->version.mf_id = get_unaligned_be32(&gvi->mf_id);
+
+ if (ncsi_priv->state == NCSI_PROBE_CHANNEL)
+ ncsi_send_command(np, nc, NCSI_PKT_CMD_GC, NULL, 0, true);
+}
+
+static void ncsi_rsp_gls(struct ncsi_rsp_pkt *pkt)
+{
+ struct ncsi_rsp_gls_pkt *gls = (struct ncsi_rsp_gls_pkt *)pkt;
+ struct ncsi_rsp_pkt_hdr *rsp = (struct ncsi_rsp_pkt_hdr *)&gls->rsp;
+ unsigned int np, nc;
+
+ np = NCSI_PACKAGE_INDEX(rsp->common.channel);
+ nc = NCSI_CHANNEL_INDEX(rsp->common.channel);
+
+ if (np >= ncsi_priv->n_packages ||
+ nc >= ncsi_priv->packages[np].n_channels) {
+ printf("NCSI: Invalid package / channel (0x%02x, 0x%02x)\n",
+ np, nc);
+ return;
+ }
+
+ ncsi_priv->packages[np].channels[nc].has_link =
+ !!(get_unaligned_be32(&gls->status));
+
+ if (ncsi_priv->state == NCSI_PROBE_CHANNEL)
+ ncsi_send_command(np, nc, NCSI_PKT_CMD_GVI, NULL, 0, true);
+}
+
+static void ncsi_rsp_cis(struct ncsi_rsp_pkt *pkt)
+{
+ struct ncsi_rsp_pkt_hdr *rsp = (struct ncsi_rsp_pkt_hdr *)pkt;
+ struct ncsi_package *package;
+ unsigned int np, nc;
+
+ np = NCSI_PACKAGE_INDEX(rsp->common.channel);
+ nc = NCSI_CHANNEL_INDEX(rsp->common.channel);
+
+ if (np >= ncsi_priv->n_packages) {
+ printf("NCSI: Mystery package 0x%02x from CIS\n", np);
+ return;
+ }
+
+ package = &ncsi_priv->packages[np];
+
+ if (nc < package->n_channels) {
+ /*
+ * This is fine in general but in the current design we
+ * don't send CIS commands to known channels.
+ */
+ debug("NCSI: Duplicate channel 0x%02x\n", nc);
+ return;
+ }
+
+ package->channels = realloc(package->channels,
+ sizeof(struct ncsi_channel) *
+ (package->n_channels + 1));
+ if (!package->channels) {
+ printf("NCSI: Could not allocate memory for new channel\n");
+ return;
+ }
+
+ debug("NCSI: New channel 0x%02x\n", nc);
+
+ package->channels[nc].id = nc;
+ package->channels[nc].has_link = false;
+ package->n_channels++;
+
+ ncsi_send_gls(np, nc);
+}
+
+static void ncsi_rsp_dp(struct ncsi_rsp_pkt *pkt)
+{
+ struct ncsi_rsp_pkt_hdr *rsp = (struct ncsi_rsp_pkt_hdr *)pkt;
+ unsigned int np;
+
+ /* No action needed */
+
+ np = NCSI_PACKAGE_INDEX(rsp->common.channel);
+ if (np >= ncsi_priv->n_packages)
+ debug("NCSI: DP response from unknown package %d\n", np);
+}
+
+static void ncsi_rsp_sp(struct ncsi_rsp_pkt *pkt)
+{
+ struct ncsi_rsp_pkt_hdr *rsp = (struct ncsi_rsp_pkt_hdr *)pkt;
+ unsigned int np;
+
+ np = NCSI_PACKAGE_INDEX(rsp->common.channel);
+
+ if (np < ncsi_priv->n_packages) {
+ /* Already know about this package */
+ debug("NCSI: package 0x%02x selected\n", np);
+ return;
+ }
+
+ debug("NCSI: adding new package %d\n", np);
+
+ ncsi_priv->packages = realloc(ncsi_priv->packages,
+ sizeof(struct ncsi_package) *
+ (ncsi_priv->n_packages + 1));
+ if (!ncsi_priv->packages) {
+ printf("NCSI: could not allocate memory for new package\n");
+ return;
+ }
+
+ ncsi_priv->packages[np].id = np;
+ ncsi_priv->packages[np].n_channels = 0;
+ ncsi_priv->packages[np].channels = NULL;
+ ncsi_priv->n_packages++;
+}
+
+static void ncsi_update_state(struct ncsi_rsp_pkt_hdr *nh)
+{
+ bool timeout = !nh;
+ int np, nc;
+
+ switch (ncsi_priv->state) {
+ case NCSI_PROBE_PACKAGE_SP:
+ if (!timeout &&
+ ncsi_priv->current_package + 1 < NCSI_PACKAGE_MAX) {
+ ncsi_priv->current_package++;
+ } else {
+ ncsi_priv->state = NCSI_PROBE_PACKAGE_DP;
+ ncsi_priv->current_package = 0;
+ }
+ return ncsi_probe_packages();
+ case NCSI_PROBE_PACKAGE_DP:
+ if (ncsi_priv->current_package + 1 < ncsi_priv->n_packages &&
+ !timeout) {
+ ncsi_priv->current_package++;
+ } else {
+ if (!ncsi_priv->n_packages) {
+ printf("NCSI: no packages found\n");
+ net_set_state(NETLOOP_FAIL);
+ return;
+ }
+ printf("NCSI: probing channels\n");
+ ncsi_priv->state = NCSI_PROBE_CHANNEL_SP;
+ ncsi_priv->current_package = 0;
+ ncsi_priv->current_channel = 0;
+ }
+ return ncsi_probe_packages();
+ case NCSI_PROBE_CHANNEL_SP:
+ if (!timeout && nh->common.type == NCSI_PKT_RSP_SP) {
+ ncsi_priv->state = NCSI_PROBE_CHANNEL;
+ return ncsi_probe_packages();
+ }
+ printf("NCSI: failed to select package 0x%0x2 or timeout\n",
+ ncsi_priv->current_package);
+ net_set_state(NETLOOP_FAIL);
+ break;
+ case NCSI_PROBE_CHANNEL:
+ // TODO only does package 0 for now
+ if (ncsi_priv->pending_requests == 0) {
+ np = ncsi_priv->current_package;
+ nc = ncsi_priv->current_channel;
+
+ /* Configure first channel that has link */
+ if (ncsi_priv->packages[np].channels[nc].has_link) {
+ ncsi_priv->state = NCSI_CONFIG;
+ } else if (ncsi_priv->current_channel + 1 <
+ NCSI_CHANNEL_MAX) {
+ ncsi_priv->current_channel++;
+ } else {
+ // XXX As above only package 0
+ printf("NCSI: no channel found with link\n");
+ net_set_state(NETLOOP_FAIL);
+ return;
+ }
+ return ncsi_probe_packages();
+ }
+ break;
+ case NCSI_CONFIG:
+ if (ncsi_priv->pending_requests == 0) {
+ printf("NCSI: configuration done!\n");
+ net_set_state(NETLOOP_SUCCESS);
+ } else if (timeout) {
+ printf("NCSI: timeout during configure\n");
+ net_set_state(NETLOOP_FAIL);
+ }
+ break;
+ default:
+ printf("NCSI: something went very wrong, nevermind\n");
+ net_set_state(NETLOOP_FAIL);
+ break;
+ }
+}
+
+static void ncsi_timeout_handler(void)
+{
+ if (ncsi_priv->pending_requests)
+ ncsi_priv->pending_requests--;
+
+ ncsi_update_state(NULL);
+}
+
+static int ncsi_send_command(unsigned int np, unsigned int nc, unsigned int cmd,
+ uchar *payload, int len, bool wait)
+{
+ struct ncsi_pkt_hdr *hdr;
+ __be32 *pchecksum;
+ int eth_hdr_size;
+ u32 checksum;
+ uchar *pkt, *start;
+ int final_len;
+
+ pkt = calloc(1, PKTSIZE_ALIGN + PKTALIGN);
+ if (!pkt)
+ return -ENOMEM;
+ start = pkt;
+
+ eth_hdr_size = net_set_ether(pkt, net_bcast_ethaddr, PROT_NCSI);
+ pkt += eth_hdr_size;
+
+ /* Set NCSI command header fields */
+ hdr = (struct ncsi_pkt_hdr *)pkt;
+ hdr->mc_id = 0;
+ hdr->revision = NCSI_PKT_REVISION;
+ hdr->id = ++ncsi_priv->last_request;
+ ncsi_priv->requests[ncsi_priv->last_request] = 1;
+ hdr->type = cmd;
+ hdr->channel = NCSI_TO_CHANNEL(np, nc);
+ hdr->length = htons(len);
+
+ if (payload && len)
+ memcpy(pkt + sizeof(struct ncsi_pkt_hdr), payload, len);
+
+ /* Calculate checksum */
+ checksum = ncsi_calculate_checksum((unsigned char *)hdr,
+ sizeof(*hdr) + len);
+ pchecksum = (__be32 *)((void *)(hdr + 1) + len);
+ put_unaligned_be32(htonl(checksum), pchecksum);
+
+ if (wait) {
+ net_set_timeout_handler(1000UL, ncsi_timeout_handler);
+ ncsi_priv->pending_requests++;
+ }
+
+ if (len < 26)
+ len = 26;
+ /* frame header, packet header, payload, checksum */
+ final_len = eth_hdr_size + sizeof(struct ncsi_cmd_pkt_hdr) + len + 4;
+
+ net_send_packet(start, final_len);
+ free(start);
+ return 0;
+}
+
+static void ncsi_handle_aen(struct ip_udp_hdr *ip, unsigned int len)
+{
+ struct ncsi_aen_pkt_hdr *hdr = (struct ncsi_aen_pkt_hdr *)ip;
+ int payload, i;
+ __be32 pchecksum;
+ u32 checksum;
+
+ switch (hdr->type) {
+ case NCSI_PKT_AEN_LSC:
+ printf("NCSI: link state changed\n");
+ payload = 12;
+ break;
+ case NCSI_PKT_AEN_CR:
+ printf("NCSI: re-configuration required\n");
+ payload = 4;
+ break;
+ case NCSI_PKT_AEN_HNCDSC:
+ /* Host notifcation - N/A but weird */
+ debug("NCSI: HNCDSC AEN received\n");
+ return;
+ default:
+ printf("%s: Invalid type 0x%02x\n", __func__, hdr->type);
+ return;
+ }
+
+ /* Validate packet */
+ if (hdr->common.revision != 1) {
+ printf("NCSI: 0x%02x response has unsupported revision 0x%x\n",
+ hdr->common.type, hdr->common.revision);
+ return;
+ }
+
+ if (ntohs(hdr->common.length) != payload) {
+ printf("NCSI: 0x%02x response has incorrect length %d\n",
+ hdr->common.type, hdr->common.length);
+ return;
+ }
+
+ pchecksum = get_unaligned_be32((void *)(hdr + 1) + payload - 4);
+ if (pchecksum != 0) {
+ checksum = ncsi_calculate_checksum((unsigned char *)hdr,
+ sizeof(*hdr) + payload - 4);
+ if (pchecksum != checksum) {
+ printf("NCSI: 0x%02x response has invalid checksum\n",
+ hdr->common.type);
+ return;
+ }
+ }
+
+ /* Link or configuration lost - just redo the discovery process */
+ ncsi_priv->state = NCSI_PROBE_PACKAGE_SP;
+ for (i = 0; i < ncsi_priv->n_packages; i++)
+ free(ncsi_priv->packages[i].channels);
+ free(ncsi_priv->packages);
+ ncsi_priv->n_packages = 0;
+
+ ncsi_priv->current_package = NCSI_PACKAGE_MAX;
+ ncsi_priv->current_channel = NCSI_CHANNEL_MAX;
+
+ ncsi_probe_packages();
+}
+
+void ncsi_receive(struct ethernet_hdr *et, struct ip_udp_hdr *ip,
+ unsigned int len)
+{
+ struct ncsi_rsp_pkt *pkt = (struct ncsi_rsp_pkt *)ip;
+ struct ncsi_rsp_pkt_hdr *nh = (struct ncsi_rsp_pkt_hdr *)&pkt->rsp;
+ void (*handler)(struct ncsi_rsp_pkt *pkt) = NULL;
+ unsigned short payload;
+
+ if (ncsi_priv->pending_requests)
+ ncsi_priv->pending_requests--;
+
+ if (len < sizeof(struct ncsi_rsp_pkt_hdr)) {
+ printf("NCSI: undersized packet: %u bytes\n", len);
+ goto out;
+ }
+
+ if (nh->common.type == NCSI_PKT_AEN)
+ return ncsi_handle_aen(ip, len);
+
+ switch (nh->common.type) {
+ case NCSI_PKT_RSP_SP:
+ payload = 4;
+ handler = ncsi_rsp_sp;
+ break;
+ case NCSI_PKT_RSP_DP:
+ payload = 4;
+ handler = ncsi_rsp_dp;
+ break;
+ case NCSI_PKT_RSP_CIS:
+ payload = 4;
+ handler = ncsi_rsp_cis;
+ break;
+ case NCSI_PKT_RSP_GLS:
+ payload = 16;
+ handler = ncsi_rsp_gls;
+ break;
+ case NCSI_PKT_RSP_GVI:
+ payload = 40;
+ handler = ncsi_rsp_gvi;
+ break;
+ case NCSI_PKT_RSP_GC:
+ payload = 32;
+ handler = ncsi_rsp_gc;
+ break;
+ case NCSI_PKT_RSP_SMA:
+ payload = 4;
+ handler = ncsi_rsp_sma;
+ break;
+ case NCSI_PKT_RSP_EBF:
+ payload = 4;
+ handler = ncsi_rsp_ebf;
+ break;
+ case NCSI_PKT_RSP_ECNT:
+ payload = 4;
+ handler = ncsi_rsp_ecnt;
+ break;
+ case NCSI_PKT_RSP_EC:
+ payload = 4;
+ handler = ncsi_rsp_ec;
+ break;
+ case NCSI_PKT_RSP_AE:
+ payload = 4;
+ handler = NULL;
+ break;
+ default:
+ printf("NCSI: unsupported packet type 0x%02x\n",
+ nh->common.type);
+ goto out;
+ }
+
+ if (ncsi_validate_rsp(pkt, payload) != 0) {
+ printf("NCSI: discarding invalid packet of type 0x%02x\n",
+ nh->common.type);
+ goto out;
+ }
+
+ if (handler)
+ handler(pkt);
+out:
+ ncsi_update_state(nh);
+}
+
+static void ncsi_send_sp(unsigned int np)
+{
+ uchar payload[4] = {0};
+
+ ncsi_send_command(np, NCSI_RESERVED_CHANNEL, NCSI_PKT_CMD_SP,
+ (unsigned char *)&payload,
+ cmd_payload(NCSI_PKT_CMD_SP), true);
+}
+
+static void ncsi_send_dp(unsigned int np)
+{
+ ncsi_send_command(np, NCSI_RESERVED_CHANNEL, NCSI_PKT_CMD_DP, NULL, 0,
+ true);
+}
+
+static void ncsi_send_gls(unsigned int np, unsigned int nc)
+{
+ ncsi_send_command(np, nc, NCSI_PKT_CMD_GLS, NULL, 0, true);
+}
+
+static void ncsi_send_cis(unsigned int np, unsigned int nc)
+{
+ ncsi_send_command(np, nc, NCSI_PKT_CMD_CIS, NULL, 0, true);
+}
+
+static void ncsi_send_ae(unsigned int np, unsigned int nc)
+{
+ struct ncsi_cmd_ae_pkt cmd;
+
+ memset(&cmd, 0, sizeof(cmd));
+ cmd.mode = htonl(ncsi_priv->packages[np].channels[nc].cap_aen);
+
+ ncsi_send_command(np, nc, NCSI_PKT_CMD_AE,
+ ((unsigned char *)&cmd)
+ + sizeof(struct ncsi_cmd_pkt_hdr),
+ cmd_payload(NCSI_PKT_CMD_AE), true);
+}
+
+static void ncsi_send_ebf(unsigned int np, unsigned int nc)
+{
+ struct ncsi_cmd_ebf_pkt cmd;
+
+ memset(&cmd, 0, sizeof(cmd));
+ cmd.mode = htonl(ncsi_priv->packages[np].channels[nc].cap_bc);
+
+ ncsi_send_command(np, nc, NCSI_PKT_CMD_EBF,
+ ((unsigned char *)&cmd)
+ + sizeof(struct ncsi_cmd_pkt_hdr),
+ cmd_payload(NCSI_PKT_CMD_EBF), true);
+}
+
+static void ncsi_send_sma(unsigned int np, unsigned int nc)
+{
+ struct ncsi_cmd_sma_pkt cmd;
+ unsigned char *addr, i;
+
+ addr = eth_get_ethaddr();
+ if (!addr) {
+ printf("NCSI: no MAC address configured\n");
+ return;
+ }
+
+ memset(&cmd, 0, sizeof(cmd));
+ for (i = 0; i < ARP_HLEN; i++)
+ cmd.mac[i] = addr[i];
+ cmd.index = 1;
+ cmd.at_e = 1;
+
+ ncsi_send_command(np, nc, NCSI_PKT_CMD_SMA,
+ ((unsigned char *)&cmd)
+ + sizeof(struct ncsi_cmd_pkt_hdr),
+ cmd_payload(NCSI_PKT_CMD_SMA), true);
+}
+
+void ncsi_probe_packages(void)
+{
+ struct ncsi_package *package;
+ unsigned int np, nc;
+
+ switch (ncsi_priv->state) {
+ case NCSI_PROBE_PACKAGE_SP:
+ if (ncsi_priv->current_package == NCSI_PACKAGE_MAX)
+ ncsi_priv->current_package = 0;
+ ncsi_send_sp(ncsi_priv->current_package);
+ break;
+ case NCSI_PROBE_PACKAGE_DP:
+ ncsi_send_dp(ncsi_priv->current_package);
+ break;
+ case NCSI_PROBE_CHANNEL_SP:
+ if (ncsi_priv->n_packages > 0)
+ ncsi_send_sp(ncsi_priv->current_package);
+ else
+ printf("NCSI: no packages discovered, configuration not possible\n");
+ break;
+ case NCSI_PROBE_CHANNEL:
+ /* Kicks off chain of channel discovery */
+ ncsi_send_cis(ncsi_priv->current_package,
+ ncsi_priv->current_channel);
+ break;
+ case NCSI_CONFIG:
+ for (np = 0; np < ncsi_priv->n_packages; np++) {
+ package = &ncsi_priv->packages[np];
+ for (nc = 0; nc < package->n_channels; nc++)
+ if (package->channels[nc].has_link)
+ break;
+ if (nc < package->n_channels)
+ break;
+ }
+ if (np == ncsi_priv->n_packages) {
+ printf("NCSI: no link available\n");
+ return;
+ }
+
+ printf("NCSI: configuring channel %d\n", nc);
+ ncsi_priv->current_package = np;
+ ncsi_priv->current_channel = nc;
+ /* Kicks off rest of configure chain */
+ ncsi_send_sma(np, nc);
+ break;
+ default:
+ printf("NCSI: unknown state 0x%x\n", ncsi_priv->state);
+ }
+}
+
+int ncsi_probe(struct phy_device *phydev)
+{
+ if (!phydev->priv) {
+ phydev->priv = malloc(sizeof(struct ncsi));
+ if (!phydev->priv)
+ return -ENOMEM;
+ memset(phydev->priv, 0, sizeof(struct ncsi));
+ }
+
+ ncsi_priv = phydev->priv;
+
+ return 0;
+}
+
+int ncsi_startup(struct phy_device *phydev)
+{
+ /* Set phydev parameters */
+ phydev->speed = SPEED_100;
+ phydev->duplex = DUPLEX_FULL;
+ /* Normal phy reset is N/A */
+ phydev->flags |= PHY_FLAG_BROKEN_RESET;
+
+ /* Set initial probe state */
+ ncsi_priv->state = NCSI_PROBE_PACKAGE_SP;
+
+ /* No active package/channel yet */
+ ncsi_priv->current_package = NCSI_PACKAGE_MAX;
+ ncsi_priv->current_channel = NCSI_CHANNEL_MAX;
+
+ /* Pretend link works so the MAC driver sets final bits up */
+ phydev->link = true;
+
+ /* Set ncsi_priv so we can use it when called from net_loop() */
+ ncsi_priv = phydev->priv;
+
+ return 0;
+}
+
+int ncsi_shutdown(struct phy_device *phydev)
+{
+ printf("NCSI: Disabling package %d\n", ncsi_priv->current_package);
+ ncsi_send_dp(ncsi_priv->current_package);
+ return 0;
+}
+
+static struct phy_driver ncsi_driver = {
+ .uid = PHY_NCSI_ID,
+ .mask = 0xffffffff,
+ .name = "NC-SI",
+ .features = PHY_100BT_FEATURES | PHY_DEFAULT_FEATURES |
+ SUPPORTED_100baseT_Full | SUPPORTED_MII,
+ .probe = ncsi_probe,
+ .startup = ncsi_startup,
+ .shutdown = ncsi_shutdown,
+};
+
+int phy_ncsi_init(void)
+{
+ phy_register(&ncsi_driver);
+ return 0;
+}
diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c
index 80a7664e49..505d3ab659 100644
--- a/drivers/net/phy/phy.c
+++ b/drivers/net/phy/phy.c
@@ -244,7 +244,7 @@ int genphy_update_link(struct phy_device *phydev)
/*
* Timeout reached ?
*/
- if (i > PHY_ANEG_TIMEOUT) {
+ if (i > (PHY_ANEG_TIMEOUT / 50)) {
printf(" TIMEOUT !\n");
phydev->link = 0;
return -ETIMEDOUT;
@@ -545,6 +545,9 @@ int phy_init(void)
#ifdef CONFIG_PHY_FIXED
phy_fixed_init();
#endif
+#ifdef CONFIG_PHY_NCSI
+ phy_ncsi_init();
+#endif
#ifdef CONFIG_PHY_XILINX_GMII2RGMII
phy_xilinx_gmii2rgmii_init();
#endif
@@ -1002,6 +1005,12 @@ struct phy_device *phy_connect(struct mii_dev *bus, int addr,
#ifdef CONFIG_PHY_FIXED
phydev = phy_connect_fixed(bus, dev, interface);
#endif
+
+#ifdef CONFIG_PHY_NCSI
+ if (!phydev)
+ phydev = phy_device_create(bus, 0, PHY_NCSI_ID, false, interface);
+#endif
+
#ifdef CONFIG_PHY_XILINX_GMII2RGMII
if (!phydev)
phydev = phy_connect_gmii2rgmii(bus, dev, interface);
generated by cgit v1.2.3 (git 2.39.1) at 2025-06-01 06:56:51 +0000