[TG3]: Add management FW version to ethtool report

This patch appends the management firmware version to the bootcode
firmware string reported through ethtool.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

2 files changed, 78 insertions, 14 deletions

diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index 253d7613b921..98f465828110 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -10821,9 +10821,24 @@ out_not_found:
                 strcpy(tp->board_part_number, "none");
 }
 
+static int __devinit tg3_fw_img_is_valid(struct tg3 *tp, u32 offset)
+{
+        u32 val;
+
+        if (tg3_nvram_read_swab(tp, offset, &val) ||
+            (val & 0xfc000000) != 0x0c000000 ||
+            tg3_nvram_read_swab(tp, offset + 4, &val) ||
+            val != 0)
+                return 0;
+
+        return 1;
+}
+
 static void __devinit tg3_read_fw_ver(struct tg3 *tp)
 {
         u32 val, offset, start;
+        u32 ver_offset;
+        int i, bcnt;
 
         if (tg3_nvram_read_swab(tp, 0, &val))
                 return;
@@ -10836,29 +10851,71 @@ static void __devinit tg3_read_fw_ver(struct tg3 *tp)
                 return;
 
         offset = tg3_nvram_logical_addr(tp, offset);
-        if (tg3_nvram_read_swab(tp, offset, &val))
+
+        if (!tg3_fw_img_is_valid(tp, offset) ||
+            tg3_nvram_read_swab(tp, offset + 8, &ver_offset))
                 return;
 
-        if ((val & 0xfc000000) == 0x0c000000) {
-                u32 ver_offset, addr;
-                int i;
+        offset = offset + ver_offset - start;
+        for (i = 0; i < 16; i += 4) {
+                if (tg3_nvram_read(tp, offset + i, &val))
+                        return;
+
+                val = le32_to_cpu(val);
+                memcpy(tp->fw_ver + i, &val, 4);
+        }
 
-                if (tg3_nvram_read_swab(tp, offset + 4, &val) ||
-                    tg3_nvram_read_swab(tp, offset + 8, &ver_offset))
+        if (!(tp->tg3_flags & TG3_FLAG_ENABLE_ASF) ||
+             (tp->tg3_flags & TG3_FLG3_ENABLE_APE))
+                return;
+
+        for (offset = TG3_NVM_DIR_START;
+             offset < TG3_NVM_DIR_END;
+             offset += TG3_NVM_DIRENT_SIZE) {
+                if (tg3_nvram_read_swab(tp, offset, &val))
                         return;
 
-                if (val != 0)
+                if ((val >> TG3_NVM_DIRTYPE_SHIFT) == TG3_NVM_DIRTYPE_ASFINI)
+                        break;
+        }
+
+        if (offset == TG3_NVM_DIR_END)
+                return;
+
+        if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
+                start = 0x08000000;
+        else if (tg3_nvram_read_swab(tp, offset - 4, &start))
+                return;
+
+        if (tg3_nvram_read_swab(tp, offset + 4, &offset) ||
+            !tg3_fw_img_is_valid(tp, offset) ||
+            tg3_nvram_read_swab(tp, offset + 8, &val))
+                return;
+
+        offset += val - start;
+
+        bcnt = strlen(tp->fw_ver);
+
+        tp->fw_ver[bcnt++] = ',';
+        tp->fw_ver[bcnt++] = ' ';
+
+        for (i = 0; i < 4; i++) {
+                if (tg3_nvram_read(tp, offset, &val))
                         return;
 
-                addr = offset + ver_offset - start;
-                for (i = 0; i < 16; i += 4) {
-                        if (tg3_nvram_read(tp, addr + i, &val))
-                                return;
+                val = le32_to_cpu(val);
+                offset += sizeof(val);
 
-                        val = cpu_to_le32(val);
-                        memcpy(tp->fw_ver + i, &val, 4);
+                if (bcnt > TG3_VER_SIZE - sizeof(val)) {
+                        memcpy(&tp->fw_ver[bcnt], &val, TG3_VER_SIZE - bcnt);
+                        break;
                 }
+
+                memcpy(&tp->fw_ver[bcnt], &val, sizeof(val));
+                bcnt += sizeof(val);
         }
+
+        tp->fw_ver[TG3_VER_SIZE - 1] = 0;
 }
 
 static struct pci_dev * __devinit tg3_find_peer(struct tg3 *);
diff --git a/drivers/net/tg3.h b/drivers/net/tg3.h
index 6dbdad2b8f88..495a1dfaba5a 100644
--- a/drivers/net/tg3.h
+++ b/drivers/net/tg3.h
@@ -1540,6 +1540,12 @@
 #define TG3_EEPROM_MAGIC_HW             0xabcd
 #define TG3_EEPROM_MAGIC_HW_MSK         0xffff
 
+#define TG3_NVM_DIR_START               0x18
+#define TG3_NVM_DIR_END                 0x78
+#define TG3_NVM_DIRENT_SIZE             0xc
+#define TG3_NVM_DIRTYPE_SHIFT           24
+#define TG3_NVM_DIRTYPE_ASFINI          1
+
 /* 32K Window into NIC internal memory */
 #define NIC_SRAM_WIN_BASE               0x00008000
 
@@ -2418,7 +2424,8 @@ struct tg3 {
         u32                             pci_cmd;
 
         char                            board_part_number[24];
-        char                            fw_ver[16];
+#define TG3_VER_SIZE 32
+        char                            fw_ver[TG3_VER_SIZE];
         u32                             nic_sram_data_cfg;
         u32                             pci_clock_ctrl;
         struct pci_dev                  *pdev_peer;