[dpdk-dev] [PATCH v4 0/2] fix 'max-pkt-len' errors

[Steve Yang]

Here fixed 3 issues for 'max-pkt-len':
1. When cmdline option '--max-pkt-len' set the value less then
   '1500 + overhead', the app/testpmd will force to resize the 'max-pkt-len'
   to '1500 + overhead'. However, the user really want to configure
   'max-pkt-len' to a specified value (< 1500 + overhead);

2. If the large value of '--max-pkt-len' gave (e.g.: 8000), and user want to
   reset the value to a small one (e.g.: 1400), it will became invalid due to
   JUMBO_FRAME offload state doesn't change before port started;

3. When rx/tx queue offloads capabilities aren't specified, the rx/tx queue
   setup will be failed once the port offloads changed.

---
v4:
 * combined testpmd patches;
 * updated the commit log for patch 2;
v3:
 * rebased code to latest;
 * splited to 3 commits;

v2:
 * moved the update logic to 'rxtx_port_config';
 * added the 'tx_conf' part;
 * optimized the 'default' assignment;
---

Steve Yang (2):
  ethdev: fix MTU doesn't update when jumbo frame disabled
  app/testpmd: fix max-pkt-len option invalid

 app/test-pmd/cmdline.c         |  1 +
 app/test-pmd/parameters.c      |  1 +
 app/test-pmd/testpmd.c         | 63 +++++++++++++++++++++++++---------
 app/test-pmd/testpmd.h         |  2 ++
 lib/librte_ethdev/rte_ethdev.c |  8 ++---
 5 files changed, 54 insertions(+), 21 deletions(-)

-- 
2.17.1