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4 Commits

Author SHA1 Message Date
emmanuel.grumbach@intel.com
8941faa161 net: tso: add support for IPv6 
Adding IPv6 for the TSO helper API is trivial:
* Don't play with the id (which doesn't exist in IPv6)
* Correctly update the payload_len (don't include the
  length of the IP header itself)

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2015-10-26 22:24:22 -07:00
Karl Beldan
a63ba13eec net: tso: fix unaligned access to crafted TCP header in helper API 
The crafted header start address is from a driver supplied buffer, which
one can reasonably expect to be aligned on a 4-bytes boundary.
However ATM the TSO helper API is only used by ethernet drivers and
the tcp header will then be aligned to a 2-bytes only boundary from the
header start address.

Signed-off-by: Karl Beldan <karl.beldan@rivierawaves.com>
Cc: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2014-10-22 12:52:55 -04:00
Sachin Kamat
484611e530 net: tso: Export symbols for modular build 
Export the symbols to fix the below errors when built as modules:
ERROR: "tso_build_data" [drivers/net/ethernet/marvell/mvneta.ko] undefined!
ERROR: "tso_build_hdr" [drivers/net/ethernet/marvell/mvneta.ko] undefined!
ERROR: "tso_start" [drivers/net/ethernet/marvell/mvneta.ko] undefined!
ERROR: "tso_count_descs" [drivers/net/ethernet/marvell/mvneta.ko] undefined!
ERROR: "tso_build_data" [drivers/net/ethernet/marvell/mv643xx_eth.ko] undefined!
ERROR: "tso_build_hdr" [drivers/net/ethernet/marvell/mv643xx_eth.ko] undefined!
ERROR: "tso_start" [drivers/net/ethernet/marvell/mv643xx_eth.ko] undefined!
ERROR: "tso_count_descs" [drivers/net/ethernet/marvell/mv643xx_eth.ko] undefined!

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Acked-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2014-05-30 15:52:03 -07:00
Ezequiel Garcia
e876f208af net: Add a software TSO helper API 
Although the implementation probably needs a lot of work, this initial API
allows to implement software TSO in mvneta and mv643xx_eth drivers in a not
so intrusive way.

Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2014-05-22 14:57:15 -04:00