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authorMaor Gottlieb <maorg@mellanox.com>2016-08-30 13:58:34 (GMT)
committerDoug Ledford <dledford@redhat.com>2016-10-07 20:54:18 (GMT)
commita72c6a2b0e699fcbcf679b881d5af2683228ae98 (patch)
tree2d14d7d2bed9a36805b362406ed959ddfd6c08d1 /drivers/infiniband
parent989a3a8f91ba02f71b84ecde3b948388d8bf2200 (diff)
downloadlinux-a72c6a2b0e699fcbcf679b881d5af2683228ae98.tar.xz
IB/core: Add more fields to IPv6 flow specification
Add the following fields to IPv6 flow filter specification: 1. Traffic Class 2. Flow Label 3. Next Header 4. Hop Limit Signed-off-by: Maor Gottlieb <maorg@mellanox.com> Reviewed-by: Sagi Grimberg <sagi@grimberg.me> Signed-off-by: Leon Romanovsky <leon@kernel.org> Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers/infiniband')
-rw-r--r--drivers/infiniband/core/uverbs_cmd.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c
index b9fb256..cb3f515a 100644
--- a/drivers/infiniband/core/uverbs_cmd.c
+++ b/drivers/infiniband/core/uverbs_cmd.c
@@ -3158,6 +3158,10 @@ static int kern_spec_to_ib_spec(struct ib_uverbs_flow_spec *kern_spec,
ib_spec->size = sizeof(struct ib_flow_spec_ipv6);
memcpy(&ib_spec->ipv6.val, kern_spec_val, actual_filter_sz);
memcpy(&ib_spec->ipv6.mask, kern_spec_mask, actual_filter_sz);
+
+ if ((ntohl(ib_spec->ipv6.mask.flow_label)) >= BIT(20) ||
+ (ntohl(ib_spec->ipv6.val.flow_label)) >= BIT(20))
+ return -EINVAL;
break;
case IB_FLOW_SPEC_TCP:
case IB_FLOW_SPEC_UDP: