From: Samuel Mendoza-Jonas <sam@mendozajonas.com>
Date: Mon, 8 Aug 2022 12:16:03 +0000 (+0930)
Subject: net: NC-SI setup and handling
X-Git-Tag: v2023.07~288^2~14
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=09bd3d0b0a954f250bac61fee7e3c6d037914569;p=platform%2Fkernel%2Fu-boot.git

net: NC-SI setup and handling

Add the handling of NC-SI ethernet frames, and add a check at the start
of net_loop() to configure NC-SI before starting other network commands.

Signed-off-by: Samuel Mendoza-Jonas <sam@mendozajonas.com>
Signed-off-by: Joel Stanley <joel@jms.id.au>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Ramon Fried <rfried.dev@gmail.com>
---

diff --git a/drivers/net/phy/ncsi.c b/drivers/net/phy/ncsi.c
index bf1e832..bb7eceb 100644
--- a/drivers/net/phy/ncsi.c
+++ b/drivers/net/phy/ncsi.c
@@ -9,6 +9,7 @@
 #include <log.h>
 #include <malloc.h>
 #include <phy.h>
+#include <net.h>
 #include <net/ncsi.h>
 #include <net/ncsi-pkt.h>
 #include <asm/unaligned.h>
diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c
index 0350afd..9087663 100644
--- a/drivers/net/phy/phy.c
+++ b/drivers/net/phy/phy.c
@@ -1026,7 +1026,7 @@ struct phy_device *phy_connect(struct mii_dev *bus, int addr,
 #endif
 
 #ifdef CONFIG_PHY_NCSI
-	if (!phydev)
+	if (!phydev && interface == PHY_INTERFACE_MODE_NCSI)
 		phydev = phy_device_create(bus, 0, PHY_NCSI_ID, false);
 #endif
 
@@ -1275,3 +1275,10 @@ int phy_clear_bits_mmd(struct phy_device *phydev, int devad, u32 regnum, u16 val
 
 	return 0;
 }
+
+bool phy_interface_is_ncsi(void)
+{
+	struct eth_pdata *pdata = dev_get_plat(eth_get_dev());
+
+	return pdata->phy_interface == PHY_INTERFACE_MODE_NCSI;
+}
diff --git a/include/net.h b/include/net.h
index c06b577..32364ed 100644
--- a/include/net.h
+++ b/include/net.h
@@ -560,7 +560,7 @@ extern int		net_restart_wrap;	/* Tried all network devices */
 
 enum proto_t {
 	BOOTP, RARP, ARP, TFTPGET, DHCP, PING, DNS, NFS, CDP, NETCONS, SNTP,
-	TFTPSRV, TFTPPUT, LINKLOCAL, FASTBOOT, WOL, UDP
+	TFTPSRV, TFTPPUT, LINKLOCAL, FASTBOOT, WOL, UDP, NCSI
 };
 
 extern char	net_boot_file_name[1024];/* Boot File name */
diff --git a/include/phy.h b/include/phy.h
index ad2096c..0737c4e 100644
--- a/include/phy.h
+++ b/include/phy.h
@@ -412,6 +412,8 @@ static inline bool phy_interface_is_sgmii(struct phy_device *phydev)
 		phydev->interface <= PHY_INTERFACE_MODE_QSGMII;
 }
 
+bool phy_interface_is_ncsi(void);
+
 /* PHY UIDs for various PHYs that are referenced in external code */
 #define PHY_UID_CS4340		0x13e51002
 #define PHY_UID_CS4223		0x03e57003
diff --git a/net/net.c b/net/net.c
index f9d11c0..6987a38 100644
--- a/net/net.c
+++ b/net/net.c
@@ -93,6 +93,7 @@
 #include <net.h>
 #include <net/fastboot.h>
 #include <net/tftp.h>
+#include <net/ncsi.h>
 #if defined(CONFIG_CMD_PCAP)
 #include <net/pcap.h>
 #endif
@@ -410,6 +411,16 @@ int net_loop(enum proto_t protocol)
 	net_try_count = 1;
 	debug_cond(DEBUG_INT_STATE, "--- net_loop Entry\n");
 
+#ifdef CONFIG_PHY_NCSI
+	if (phy_interface_is_ncsi() && protocol != NCSI && !ncsi_active()) {
+		printf("%s: configuring NCSI first\n", __func__);
+		if (net_loop(NCSI) < 0)
+			return ret;
+		eth_init_state_only();
+		goto restart;
+	}
+#endif
+
 	bootstage_mark_name(BOOTSTAGE_ID_ETH_START, "eth_start");
 	net_init();
 	if (eth_is_on_demand_init()) {
@@ -527,6 +538,11 @@ restart:
 			wol_start();
 			break;
 #endif
+#if defined(CONFIG_PHY_NCSI)
+		case NCSI:
+			ncsi_probe_packages();
+			break;
+#endif
 		default:
 			break;
 		}
@@ -637,7 +653,7 @@ restart:
 				env_set_hex("filesize", net_boot_file_size);
 				env_set_hex("fileaddr", image_load_addr);
 			}
-			if (protocol != NETCONS)
+			if (protocol != NETCONS && protocol != NCSI)
 				eth_halt();
 			else
 				eth_halt_state_only();
@@ -1322,6 +1338,11 @@ void net_process_received_packet(uchar *in_packet, int len)
 		wol_receive(ip, len);
 		break;
 #endif
+#ifdef CONFIG_PHY_NCSI
+	case PROT_NCSI:
+		ncsi_receive(et, ip, len);
+		break;
+#endif
 	}
 }
 
@@ -1382,6 +1403,9 @@ common:
 #ifdef CONFIG_CMD_RARP
 	case RARP:
 #endif
+#ifdef CONFIG_PHY_NCSI
+	case NCSI:
+#endif
 	case BOOTP:
 	case CDP:
 	case DHCP: