doc: clarify L4 Tx checksum prerequisite
authorJerin Jacob <jerin.jacob@caviumnetworks.com>
Fri, 5 Oct 2018 04:46:05 +0000 (10:16 +0530)
committerFerruh Yigit <ferruh.yigit@intel.com>
Thu, 11 Oct 2018 16:53:49 +0000 (18:53 +0200)
commit425f09300ea20ee95730b0c9cb1f95d0dc588541
tree29975e5e6b8a2c6dff42505508f3e8b9ddd5e11c
parent9713e32914a23780aac00fd5b6435aa72e87b377
doc: clarify L4 Tx checksum prerequisite

Based on PKT_TX_[TCP|UDP|SCTP]_CKSUM definition the user needs
to fill l2_len and l3_len mbuf fields before issuing HW Tx
checksum request.

Fixes: dad1ec72a377 ("doc: document NIC features")
Cc: stable@dpdk.org
Signed-off-by: Jerin Jacob <jerin.jacob@caviumnetworks.com>
Acked-by: Andrew Rybchenko <arybchenko@solarflare.com>
doc/guides/nics/features.rst