bnx2: Read firmware version from VPD.

And display it through ethtool -i.

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

diff --git a/drivers/net/bnx2.c b/drivers/net/bnx2.c
index dba3840..b7bc74b 100644 (file)
--- a/drivers/net/bnx2.c
+++ b/drivers/net/bnx2.c
@@ -7722,6 +7722,93 @@ bnx2_get_pci_speed(struct bnx2 *bp)
 
 }
 
+static void __devinit
+bnx2_read_vpd_fw_ver(struct bnx2 *bp)
+{
+       int rc, i, v0_len = 0;
+       u8 *data;
+       u8 *v0_str = NULL;
+       bool mn_match = false;
+
+#define BNX2_MAX_VER_SLEN      30
+
+       data = kmalloc(256, GFP_KERNEL);
+       if (!data)
+               return;
+
+       rc = bnx2_nvram_read(bp, 0x300, data + 128, 128);
+       if (rc)
+               goto vpd_done;
+
+       for (i = 0; i < 128; i += 4) {
+               data[i] = data[i + 131];
+               data[i + 1] = data[i + 130];
+               data[i + 2] = data[i + 129];
+               data[i + 3] = data[i + 128];
+       }
+
+       for (i = 0; i < 128; ) {
+               unsigned char val = data[i];
+               unsigned int block_end;
+
+               if (val == 0x82 || val == 0x91) {
+                       i = (i + 3 + (data[i + 1] + (data[i + 2] << 8)));
+                       continue;
+               }
+
+               if (val != 0x90)
+                       goto vpd_done;
+
+               block_end = (i + 3 + (data[i + 1] + (data[i + 2] << 8)));
+               i += 3;
+
+               if (block_end > 128)
+                       goto vpd_done;
+
+               while (i < (block_end - 2)) {
+                       if (data[i] == 'M' && data[i + 1] == 'N') {
+                               int mn_len = data[i + 2];
+
+                               if (mn_len != 4)
+                                       goto vpd_done;
+
+                               i += 3;
+                               if (memcmp(&data[i], "1028", 4))
+                                       goto vpd_done;
+                               mn_match = true;
+                               i += 4;
+
+                       } else if (data[i] == 'V' && data[i + 1] == '0') {
+                               v0_len = data[i + 2];
+
+                               i += 3;
+                               if (v0_len > BNX2_MAX_VER_SLEN ||
+                                   (v0_len + i) > 128)
+                                       goto vpd_done;
+
+                               if (v0_len > BNX2_MAX_VER_SLEN)
+                                       v0_len = BNX2_MAX_VER_SLEN;
+
+                               v0_str = &data[i];
+                               i += data[i + 2];
+
+                       } else {
+                               i += 3 + data[i + 2];
+                       }
+
+                       if (mn_match && v0_str) {
+                               memcpy(bp->fw_version, v0_str, v0_len);
+                               bp->fw_version[v0_len] = ' ';
+                               goto vpd_done;
+                       }
+               }
+               goto vpd_done;
+       }
+
+vpd_done:
+       kfree(data);
+}
+
 static int __devinit
 bnx2_init_board(struct pci_dev *pdev, struct net_device *dev)
 {
@@ -7895,10 +7982,18 @@ bnx2_init_board(struct pci_dev *pdev, struct net_device *dev)
                goto err_out_unmap;
        }
 
+       bnx2_read_vpd_fw_ver(bp);
+
+       j = strlen(bp->fw_version);
        reg = bnx2_shmem_rd(bp, BNX2_DEV_INFO_BC_REV);
-       for (i = 0, j = 0; i < 3; i++) {
+       for (i = 0; i < 3 && j < 24; i++) {
                u8 num, k, skip0;
 
+               if (i == 0) {
+                       bp->fw_version[j++] = 'b';
+                       bp->fw_version[j++] = 'c';
+                       bp->fw_version[j++] = ' ';
+               }
                num = (u8) (reg >> (24 - (i * 8)));
                for (k = 100, skip0 = 1; k >= 1; num %= k, k /= 10) {
                        if (num >= k || !skip0 || k == 1) {
@@ -7929,8 +8024,9 @@ bnx2_init_board(struct pci_dev *pdev, struct net_device *dev)
            reg != BNX2_CONDITION_MFW_RUN_NONE) {
                u32 addr = bnx2_shmem_rd(bp, BNX2_MFW_VER_PTR);
 
-               bp->fw_version[j++] = ' ';
-               for (i = 0; i < 3; i++) {
+               if (j < 32)
+                       bp->fw_version[j++] = ' ';
+               for (i = 0; i < 3 && j < 28; i++) {
                        reg = bnx2_reg_rd_ind(bp, addr + i * 4);
                        reg = swab32(reg);
                        memcpy(&bp->fw_version[j], &reg, 4);