On Thu, Jul 26, 2018 at 5:44 PM, Simon Horman
<[email protected]> wrote:
> On Wed, Jul 25, 2018 at 09:20:07PM +0300, Or Gerlitz wrote:
>> Add the missing code to match on ip tos when dealing
>> with the TC data-path.
>> --- a/lib/netdev-tc-offloads.c
>> +++ b/lib/netdev-tc-offloads.c
>> @@ -455,6 +455,7 @@ parse_tc_flower_to_match(struct tc_flower *flower,
>> match_set_nw_proto(match, key->ip_proto);
>> }
>>
>> + match_set_nw_tos_masked(match, key->ip_tos, mask->ip_tos);
>> match_set_nw_ttl_masked(match, key->ip_ttl, mask->ip_ttl);
>>
>> if (mask->flags) {
>> @@ -1026,6 +1027,9 @@ netdev_tc_flow_put(struct netdev *netdev, struct match
>> *match,
>> flower.key.ip_proto = key->nw_proto;
>> flower.mask.ip_proto = mask->nw_proto;
>> mask->nw_proto = 0;
>> + flower.key.ip_tos = key->nw_tos;
>> + flower.mask.ip_tos = mask->nw_tos;
>> + mask->nw_tos = 0;
>> flower.key.ip_ttl = key->nw_ttl;
>> flower.mask.ip_ttl = mask->nw_ttl;
>> mask->nw_ttl = 0;
>> @@ -1074,8 +1078,6 @@ netdev_tc_flow_put(struct netdev *netdev, struct match
>> *match,
>> mask->tp_dst = 0;
>> }
>>
>> - mask->nw_tos = 0;
> As per my comment on patch 1/2, the intention of the mask->nw_tos change
> in the above two hunks is not clear to me.
setting mask->zzz to 0 means we consumed (== set into the mask
of the tc rule) the zzz field. Here, the field was marked as consumed but it
wasn't such. While adding the support to actually use tos, I moved the
zering to be near the usage, to align with the rest of the code.
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