)]}'
{
  "commit": "7967168cefdbc63bf332d6b1548eca7cd65ebbcc",
  "tree": "c45759149ae0acdc89d746e556a0ae278d11776d",
  "parents": [
    "d4828d85d188dc70ed172802e798d3978bb6e29e"
  ],
  "author": {
    "name": "Herbert Xu",
    "email": "herbert@gondor.apana.org.au",
    "time": "Thu Jun 22 02:40:14 2006 -0700"
  },
  "committer": {
    "name": "David S. Miller",
    "email": "davem@sunset.davemloft.net",
    "time": "Fri Jun 23 02:07:29 2006 -0700"
  },
  "message": "[NET]: Merge TSO/UFO fields in sk_buff\n\nHaving separate fields in sk_buff for TSO/UFO (tso_size/ufo_size) is not\ngoing to scale if we add any more segmentation methods (e.g., DCCP).  So\nlet\u0027s merge them.\n\nThey were used to tell the protocol of a packet.  This function has been\nsubsumed by the new gso_type field.  This is essentially a set of netdev\nfeature bits (shifted by 16 bits) that are required to process a specific\nskb.  As such it\u0027s easy to tell whether a given device can process a GSO\nskb: you just have to and the gso_type field and the netdev\u0027s features\nfield.\n\nI\u0027ve made gso_type a conjunction.  The idea is that you have a base type\n(e.g., SKB_GSO_TCPV4) that can be modified further to support new features.\nFor example, if we add a hardware TSO type that supports ECN, they would\ndeclare NETIF_F_TSO | NETIF_F_TSO_ECN.  All TSO packets with CWR set would\nhave a gso_type of SKB_GSO_TCPV4 | SKB_GSO_TCPV4_ECN while all other TSO\npackets would be SKB_GSO_TCPV4.  This means that only the CWR packets need\nto be emulated in software.\n\nSigned-off-by: Herbert Xu \u003cherbert@gondor.apana.org.au\u003e\nSigned-off-by: David S. Miller \u003cdavem@davemloft.net\u003e\n",
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