ixp4xx: fix weird ethernet issues with some devices caused by the ethernet packet...

despite what the docs day, 14320 is the largest working MRU value, not 16320
fixes #5785 for me

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@18262 3c298f89-4303-0410-b956-a3cf2f4a3e73

diff --git a/target/linux/ixp4xx/patches-2.6.28/304-ixp4xx_eth_jumboframe.patch b/target/linux/ixp4xx/patches-2.6.28/304-ixp4xx_eth_jumboframe.patch
index f7b5c81..8f76f7c 100644 (file)
--- a/target/linux/ixp4xx/patches-2.6.28/304-ixp4xx_eth_jumboframe.patch
+++ b/target/linux/ixp4xx/patches-2.6.28/304-ixp4xx_eth_jumboframe.patch
@@ -5,7 +5,7 @@
  #define POOL_ALLOC_SIZE               (sizeof(struct desc) * (RX_DESCS + TX_DESCS))
  #define REGS_SIZE             0x1000
 -#define MAX_MRU                       1536 /* 0x600 */
-+#define MAX_MRU                       (16320 - ETH_HLEN - ETH_FCS_LEN)
++#define MAX_MRU                       (14320 - ETH_HLEN - ETH_FCS_LEN)
  #define RX_BUFF_SIZE          ALIGN((NET_IP_ALIGN) + MAX_MRU, 4)
  
  #define NAPI_WEIGHT           16

diff --git a/target/linux/ixp4xx/patches-2.6.30/304-ixp4xx_eth_jumboframe.patch b/target/linux/ixp4xx/patches-2.6.30/304-ixp4xx_eth_jumboframe.patch
index 9ee3c90..b4cf824 100644 (file)
--- a/target/linux/ixp4xx/patches-2.6.30/304-ixp4xx_eth_jumboframe.patch
+++ b/target/linux/ixp4xx/patches-2.6.30/304-ixp4xx_eth_jumboframe.patch
@@ -5,7 +5,7 @@
  #define POOL_ALLOC_SIZE               (sizeof(struct desc) * (RX_DESCS + TX_DESCS))
  #define REGS_SIZE             0x1000
 -#define MAX_MRU                       1536 /* 0x600 */
-+#define MAX_MRU                       (16320 - ETH_HLEN - ETH_FCS_LEN)
++#define MAX_MRU                       (14320 - ETH_HLEN - ETH_FCS_LEN)
  #define RX_BUFF_SIZE          ALIGN((NET_IP_ALIGN) + MAX_MRU, 4)
  
  #define NAPI_WEIGHT           16

diff --git a/target/linux/ixp4xx/patches-2.6.31/304-ixp4xx_eth_jumboframe.patch b/target/linux/ixp4xx/patches-2.6.31/304-ixp4xx_eth_jumboframe.patch
index 26f5bd9..a9cbddc 100644 (file)
--- a/target/linux/ixp4xx/patches-2.6.31/304-ixp4xx_eth_jumboframe.patch
+++ b/target/linux/ixp4xx/patches-2.6.31/304-ixp4xx_eth_jumboframe.patch
@@ -5,7 +5,7 @@
  #define POOL_ALLOC_SIZE               (sizeof(struct desc) * (RX_DESCS + TX_DESCS))
  #define REGS_SIZE             0x1000
 -#define MAX_MRU                       1536 /* 0x600 */
-+#define MAX_MRU                       (16320 - ETH_HLEN - ETH_FCS_LEN)
++#define MAX_MRU                       (14320 - ETH_HLEN - ETH_FCS_LEN)
  #define RX_BUFF_SIZE          ALIGN((NET_IP_ALIGN) + MAX_MRU, 4)
  
  #define NAPI_WEIGHT           16