On Thu, 26 Oct 2017 17:02:42 -0700
Amritha Nambiar <amritha.namb...@intel.com> wrote:
> This patch was previously submitted as RFC. Submitting this as
> non-RFC now that the tc/mqprio changes are accepted in net-next.
>
> Adds new mqprio options for 'mode' and 'shaper'. The mode
> option can take values for offload modes such as 'dcb' (default),
> 'channel' with the 'hw' option set to 1. The new 'channel' mode
> supports offloading TCs and other queue configurations. The
> 'shaper' option is to support HW shapers ('dcb' default) and
> takes the value 'bw_rlimit' for bandwidth rate limiting. The
> parameters to the bw_rlimit shaper are minimum and maximum
> bandwidth rates. New HW shapers in future can be supported
> through the shaper attribute.
>
> # tc qdisc add dev eth0 root mqprio num_tc 2 map 0 0 0 0 1 1 1 1\
> queues 4@0 4@4 hw 1 mode channel shaper bw_rlimit\
> min_rate 1Gbit 2Gbit max_rate 4Gbit 5Gbit
>
> # tc qdisc show dev eth0
>
> qdisc mqprio 804a: root tc 2 map 0 0 0 0 1 1 1 1 0 0 0 0 0 0 0 0
> queues:(0:3) (4:7)
> mode:channel
> shaper:bw_rlimit min_rate:1Gbit 2Gbit max_rate:4Gbit 5Gbit
>
> Signed-off-by: Amritha Nambiar <amritha.namb...@intel.com>
Please build test your patch with compiler checks enabled....
CC q_mqprio.o
In file included from /usr/include/string.h:635:0,
from q_mqprio.c:20:
In function ‘memcpy’,
inlined from ‘mqprio_print_opt’ at q_mqprio.c:237:2:
/usr/include/x86_64-linux-gnu/bits/string3.h:53:10: warning: call to
__builtin___memcpy_chk will always overflow destination buffer
return __builtin___memcpy_chk (__dest, __src, __len, __bos0 (__dest));
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
