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authorFelix Fietkau <nbd@openwrt.org>2009-08-25 12:05:47 +0000
committerFelix Fietkau <nbd@openwrt.org>2009-08-25 12:05:47 +0000
commit681aa38e22873f07ede0c7efd81007a5b581a1ee (patch)
treedf2c9e3389bd68c2d63bb02abcb20c289e1a6254 /target/linux/ixp4xx/patches-2.6.28
parent49e657f433a10da72d74f86a364f2a63a2cbb1cb (diff)
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ixp4xx add jumboframe fixes by Ted Hess (#5746)
SVN-Revision: 17396
Diffstat (limited to 'target/linux/ixp4xx/patches-2.6.28')
-rw-r--r--target/linux/ixp4xx/patches-2.6.28/304-ixp4xx_eth_jumboframe.patch24
1 files changed, 13 insertions, 11 deletions
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 ba2ac840ab..7f8f2420ec 100644
--- 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
@@ -1,15 +1,15 @@
--- a/drivers/net/arm/ixp4xx_eth.c
+++ b/drivers/net/arm/ixp4xx_eth.c
-@@ -54,7 +54,7 @@
+@@ -53,7 +53,7 @@
#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 (16320 - ETH_HLEN - ETH_FCS_LEN)
#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 *
+@@ -927,6 +927,32 @@
}
}
@@ -17,6 +17,8 @@
+{
+ struct port *port;
+ struct msg msg;
++ /* adjust for ethernet headers */
++ int framesize = mtu + ETH_HLEN + ETH_FCS_LEN;
+
+ port = netdev_priv(dev);
+
@@ -25,11 +27,11 @@
+ 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;
@@ -40,7 +42,7 @@
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
+@@ -976,6 +1002,8 @@
if (npe_send_recv_message(port->npe, &msg, "ETH_SET_FIREWALL_MODE"))
return -EIO;
@@ -49,8 +51,8 @@
if ((err = request_queues(port)) != 0)
return err;
-@@ -1238,6 +1264,24 @@ static void eth_init_mii(struct net_devi
-
+@@ -1119,6 +1147,24 @@
+ return 0;
}
+static int eth_change_mtu(struct net_device *dev, int mtu)
@@ -74,7 +76,7 @@
static int __devinit eth_init_one(struct platform_device *pdev)
{
struct port *port;
-@@ -1272,6 +1316,7 @@ static int __devinit eth_init_one(struct
+@@ -1153,6 +1199,7 @@
goto err_free;
}