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| author | Asbjørn Sloth Tønnesen <ast@fiberby.net> | 2024-04-18 16:17:49 +0000 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2024-04-22 17:42:31 -0700 |
| commit | 93a8540aac72772b5b5c933cea5aae2c88a7777e (patch) | |
| tree | fa8acb4315f7de1d392f4e372e24a1bcf897d4b1 | |
| parent | 2540088b836f9e208f7f722a67f9b168737036e8 (diff) | |
| download | renesas-drivers-93a8540aac72772b5b5c933cea5aae2c88a7777e.tar.gz | |
cxgb4: flower: validate control flags
This driver currently doesn't support any control flags.
Use flow_rule_match_has_control_flags() to check for control flags,
such as can be set through `tc flower ... ip_flags frag`.
In case any control flags are masked, flow_rule_match_has_control_flags()
sets a NL extended error message, and we return -EOPNOTSUPP.
Only compile-tested.
Only compile tested, no hardware available.
Signed-off-by: Asbjørn Sloth Tønnesen <ast@fiberby.net>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/20240418161751.189226-1-ast@fiberby.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
| -rw-r--r-- | drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_flower.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_flower.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_flower.c index 3a6987cafe5906..69d045d769c4b0 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_flower.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_flower.c @@ -327,6 +327,9 @@ static int cxgb4_validate_flow_match(struct netlink_ext_ack *extack, return -EOPNOTSUPP; } + if (flow_rule_match_has_control_flags(rule, extack)) + return -EOPNOTSUPP; + if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_BASIC)) { struct flow_match_basic match; |