Attachment 313206 Details for Bug 457567 – Patch to resolve problem

[patch] Patch to resolve problem

mii.patch (text/plain), 1.19 KB, created by Enzo on 2008-08-01 14:56:57 UTC

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Creator: Enzo

Created: 2008-08-01 14:56:57 UTC

Size: 1.19 KB

patch

obsolete

>--- linkstate.c.orig	2008-07-31 14:46:09.000000000 +0200
>+++ linkstate.c	2008-07-31 14:59:18.000000000 +0200
>@@ -60,6 +60,22 @@
> #include <linux/ethtool.h>
> #include <net/if.h>
> 
>+/* Begin extract from mii.h of net-tools */
>+
>+/* This data structure is used for all the MII ioctl's */
>+struct mii_data {
>+    __u16       phy_id;
>+    __u16       reg_num;
>+    __u16       val_in;
>+    __u16       val_out;
>+};
>+
>+/* Basic Mode Status Register */
>+#define MII_BMSR             0x01
>+#define MII_BMSR_LINK_VALID  0x0004
>+
>+/* End extract from mii.h */
>+
> static int get_link_state(int fd, struct ifreq *ifr);
> 
> /**
>@@ -164,7 +180,20 @@
> 		return edata.data;
>         } else if (errno == EOPNOTSUPP) {
> 		/* oops, pretend the link's there */
>-		return 1;
>+		//return 1;
>+		// Operation not supported try with MII
>+		struct mii_data *mii = (struct mii_data *)&ifr->ifr_data;
>+
>+		memset(mii,0,sizeof(struct mii_data));
>+
>+		mii->reg_num = MII_BMSR;
>+		err = ioctl(fd, SIOCGMIIREG, ifr);
>+		if(err == 0) {
>+			return (mii->val_out & MII_BMSR_LINK_VALID ? 1 : 0);
>+		} else if (errno == EOPNOTSUPP) {
>+			// No support for MII stop to check and assume all ok
>+			return 1;
>+		}
>         }
> 
> 	/* Any other errors: no link? */

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