[PATCH] net: add 'ethrotate' environment variable
This patch replaces the buildtime configuration option
CONFIG_NET_DO_NOT_TRY_ANOTHER through the 'ethrotate' runtime
configuration veriable. See README.
Signed-off-by: Matthias Fuchs <[EMAIL PROTECTED]>
---
README | 4 ++++
net/eth.c | 9 +++++++++
2 files changed, 13 insertions(+), 0 deletions(-)
diff --git a/README b/README
index f2a4914..d9c2ee2 100644
--- a/README
+++ b/README
@@ -2691,6 +2691,10 @@ Some configuration options can be set using Environment
Variables:
=> setenv ethact SCC ETHERNET
=> ping 10.0.0.1 # traffic sent on SCC ETHERNET
+ ethrotate - When set to "no" U-Boot does not go through all
+ available network interfaces.
+ It just stays at the currently selected interface.
+
netretry - When set to "no" each network operation will
either succeed or fail without retrying.
When set to "once" the network operation will
diff --git a/net/eth.c b/net/eth.c
index 5d9e9c1..d55fd7e 100644
--- a/net/eth.c
+++ b/net/eth.c
@@ -522,6 +522,15 @@ int eth_receive(volatile void *packet, int length)
void eth_try_another(int first_restart)
{
static struct eth_device *first_failed = NULL;
+ char *ethrotate;
+
+ /*
+ * Do not rotate between network interfaces when
+ * 'ethrotate' variable is set to 'no'.
+ */
+ if (((ethrotate = getenv ("ethrotate")) != NULL) &&
+ (strcmp(ethrotate, "no") == 0))
+ return;
if (!eth_current)
return;
--
1.5.3
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