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

[openwrt.git] / target / linux / ixp4xx / patches-2.6.28 / 304-ixp4xx_eth_jumboframe.patch

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 ba2ac84..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
@@ -5,11 +5,11 @@
  #define POOL_ALLOC_SIZE               (sizeof(struct desc) * (RX_DESCS + TX_DESCS))
  #define REGS_SIZE             0x1000
 -#define MAX_MRU                       1536 /* 0x600 */
  #define POOL_ALLOC_SIZE               (sizeof(struct desc) * (RX_DESCS + TX_DESCS))
  #define REGS_SIZE             0x1000
 -#define MAX_MRU                       1536 /* 0x600 */

-+#define MAX_MRU                       16384
++#define MAX_MRU                       (14320 - ETH_HLEN - ETH_FCS_LEN)

  #define RX_BUFF_SIZE          ALIGN((NET_IP_ALIGN) + MAX_MRU, 4)
  
  #define NAPI_WEIGHT           16
  #define RX_BUFF_SIZE          ALIGN((NET_IP_ALIGN) + MAX_MRU, 4)
  
  #define NAPI_WEIGHT           16

-@@ -1011,6 +1011,30 @@ static void destroy_queues(struct port *
+@@ -1011,6 +1011,32 @@ static void destroy_queues(struct port *

        }
  }
  
        }
  }
  


@@ -17,6 +17,8 @@
 +{
 +      struct port *port;
 +      struct msg msg;
 +{
 +      struct port *port;
 +      struct msg msg;

++      /* adjust for ethernet headers */
++      int framesize = mtu + ETH_HLEN + ETH_FCS_LEN;

 +
 +      port = netdev_priv(dev);
 +
 +
 +      port = netdev_priv(dev);
 +


@@ -25,11 +27,11 @@
 +      msg.eth_id = port->id;
 +
 +      /* max rx/tx 64 byte blocks */
 +      msg.eth_id = port->id;
 +
 +      /* max rx/tx 64 byte blocks */

-+      msg.byte2 = ((mtu + 63) / 64) << 8;
-+      msg.byte3 = ((mtu + 63) / 64) << 8;
++      msg.byte2 = ((framesize + 63) / 64) << 8;
++      msg.byte3 = ((framesize + 63) / 64) << 8;

 +
 +

-+      msg.byte4 = msg.byte6 = mtu >> 8;
-+      msg.byte5 = msg.byte7 = mtu & 0xff;
++      msg.byte4 = msg.byte6 = framesize >> 8;
++      msg.byte5 = msg.byte7 = framesize & 0xff;

 +
 +      if (npe_send_recv_message(port->npe, &msg, "ETH_SET_MAX_FRAME_LENGTH"))
 +              return -EIO;
 +
 +      if (npe_send_recv_message(port->npe, &msg, "ETH_SET_MAX_FRAME_LENGTH"))
 +              return -EIO;


@@ -40,7 +42,7 @@
  static int eth_open(struct net_device *dev)
  {
        struct port *port = netdev_priv(dev);
  static int eth_open(struct net_device *dev)
  {
        struct port *port = netdev_priv(dev);

-@@ -1061,6 +1085,8 @@ static int eth_open(struct net_device *d
+@@ -1061,6 +1087,8 @@ static int eth_open(struct net_device *d

        if (npe_send_recv_message(port->npe, &msg, "ETH_SET_FIREWALL_MODE"))
                return -EIO;
  
        if (npe_send_recv_message(port->npe, &msg, "ETH_SET_FIREWALL_MODE"))
                return -EIO;
  


@@ -49,7 +51,7 @@
        if ((err = request_queues(port)) != 0)
                return err;
  
        if ((err = request_queues(port)) != 0)
                return err;
  

-@@ -1238,6 +1264,24 @@ static void eth_init_mii(struct net_devi
+@@ -1238,6 +1266,24 @@ static void eth_init_mii(struct net_devi

  
  }
  
  
  }
  


@@ -74,7 +76,7 @@
  static int __devinit eth_init_one(struct platform_device *pdev)
  {
        struct port *port;
  static int __devinit eth_init_one(struct platform_device *pdev)
  {
        struct port *port;

-@@ -1272,6 +1316,7 @@ static int __devinit eth_init_one(struct
+@@ -1272,6 +1318,7 @@ static int __devinit eth_init_one(struct

                goto err_free;
        }
  
                goto err_free;
        }