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s390/qeth: speed-up L3 IQD xmit
authorJulian Wiedmann <jwi@linux.ibm.com>
Wed, 11 Jul 2018 15:42:46 +0000 (17:42 +0200)
committerDavid S. Miller <davem@davemloft.net>
Thu, 12 Jul 2018 23:42:40 +0000 (16:42 -0700)
commita647a02512ca346bb399d7dc4f57e327f2475286
tree1c976926d7582ac556461ab386c0df5a51678baetree | snapshot
parentea1d4a0c7fa5a7aab823e77c3a9000035a231f77commit | diff
s390/qeth: speed-up L3 IQD xmit

This implements a new xmit path for L3 HiperSockets, which carves the
HW header from skb headroom instead of allocating it from the hdr cache.
It also adds NETIF_F_SG support.

The delta in qeth_l3_xmit() is all just removal of IQD-specific code and
some minor consolidation.

Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/s390/net/qeth_l3_main.c diff | blob | blame | history
Mirror https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git