[net-next-2.6 PATCH 5/9] vxge: Removed the code to bounds check the mss value
From: Sreenivasa Honnur <hidden>
Date: 2009-07-02 07:26:40
- Removed the code to bounds check the mss value. The hardware does bounds checking and will not allow an oversized mss to lockup the transmit path. Signed-off-by: Sreenivasa Honnur <redacted> Signed-off-by: Ramkrishna Vepa <redacted> --- diff -urpN patch_4/drivers/net/vxge/vxge-main.c patch_5/drivers/net/vxge/vxge-main.c
--- patch_4/drivers/net/vxge/vxge-main.c 2009-06-21 23:53:43.000000000 -0700
+++ patch_5/drivers/net/vxge/vxge-main.c 2009-06-22 00:52:43.000000000 -0700@@ -817,7 +817,6 @@ vxge_xmit(struct sk_buff *skb, struct ne u64 dma_pointer; struct vxge_tx_priv *txdl_priv = NULL; struct __vxge_hw_fifo *fifo_hw; - u32 max_mss = 0x0; int offload_type; unsigned long flags = 0; int vpath_no = 0;
@@ -969,10 +968,6 @@ vxge_xmit(struct sk_buff *skb, struct ne int mss = vxge_tcp_mss(skb); if (mss) { - max_mss = dev->mtu + ETH_HLEN - - VXGE_HW_TCPIP_HEADER_MAX_SIZE; - if (mss > max_mss) - mss = max_mss; vxge_debug_tx(VXGE_TRACE, "%s: %s:%d mss = %d", dev->name, __func__, __LINE__, mss);
diff -urpN patch_4/drivers/net/vxge/vxge-traffic.h patch_5/drivers/net/vxge/vxge-traffic.h
--- patch_4/drivers/net/vxge/vxge-traffic.h 2009-06-21 23:53:43.000000000 -0700
+++ patch_5/drivers/net/vxge/vxge-traffic.h 2009-06-22 00:53:09.000000000 -0700@@ -35,8 +35,6 @@ VXGE_HW_HEADER_VLAN_SIZE + \ VXGE_HW_HEADER_SNAP_SIZE) -#define VXGE_HW_TCPIP_HEADER_MAX_SIZE (64 + 64) - /* 32bit alignments */ #define VXGE_HW_HEADER_ETHERNET_II_802_3_ALIGN 2 #define VXGE_HW_HEADER_802_2_SNAP_ALIGN 2