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ixp4xx: fix weird ethernet issues with some devices caused by the ethernet packet size increase. despite what the docs day, 14320 is the largest working MRU value, not 16320 fixes #5785 for me

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SVN-Revision: 18262
This commit is contained in:
Felix Fietkau 2009-11-02 00:44:01 +00:00
parent 11f5bc1909
commit 426c8da71d
3 changed files with 3 additions and 3 deletions
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2
target/linux/ixp4xx/patches-2.6.28/304-ixp4xx_eth_jumboframe.patch
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@ -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

2
target/linux/ixp4xx/patches-2.6.30/304-ixp4xx_eth_jumboframe.patch
View File

@ -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

2
target/linux/ixp4xx/patches-2.6.31/304-ixp4xx_eth_jumboframe.patch
View File

@ -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