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authorJohann Baudy <johann.baudy@gnu-log.net>2009-05-18 22:11:22 -0700
committerDavid S. Miller <davem@davemloft.net>2009-05-18 22:11:22 -0700
commit69e3c75f4d541a6eb151b3ef91f34033cb3ad6e1 (patch)
tree24920f17ea435627978af9d5fe0e99763bf6a533 /net/wimax
parentf67f34084914144de55c785163d047d5d8dddd2d (diff)
net: TX_RING and packet mmap
New packet socket feature that makes packet socket more efficient for transmission. - It reduces number of system call through a PACKET_TX_RING mechanism, based on PACKET_RX_RING (Circular buffer allocated in kernel space which is mmapped from user space). - It minimizes CPU copy using fragmented SKB (almost zero copy). Signed-off-by: Johann Baudy <johann.baudy@gnu-log.net> Signed-off-by: David S. Miller <davem@davemloft.net>
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