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b=mhAo3owIjobzYS46Rj3UnG/+a3Anabg71TCgTccYQR+6/vi/1/CrKEyt3t93oTD6K 11+R7N4xngfSGZGCYUp4zsuYKLcg5TbeUMCj1bbYZdHCg7p8iZJ/yza2/0t3LTp9BH 4IdgH7v5y9x3v6MKlD1JV0pF/xNSApnii5ijSm3SeRjZ1YftC1mVniM7AcuyBCx3bW BJR8u2Z2X/Uw3EZZIakuIIAf7InyW7BHq1mGKDJ6AYZGqCGxre0/kLu58s6XbcI8tp zhUL2qgKHF4oY1/OTI3PS7CzlFYERMK+pKQ2S4/55qFcIsKeSmGq7/bX/NM30dIi9Y 16QE0X5A1if3w== Subject: Re: [dpdk-stable] [PATCH v3] net/mlx5: check the reg available for metadata action X-BeenThere: stable@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches for DPDK stable branches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: stable-bounces@dpdk.org Sender: "stable" Hi, > -----Original Message----- > From: Viacheslav Ovsiienko > Sent: Friday, November 20, 2020 4:48 PM > To: dev@dpdk.org > Cc: Raslan Darawsheh ; Matan Azrad > ; Ori Kam ; NBU-Contact-Thomas > Monjalon ; xiangxia.m.yue@gmail.com; > stable@dpdk.org > Subject: [PATCH v3] net/mlx5: check the reg available for metadata action >=20 > From: Tonghao Zhang >=20 > If user don't set the dv_xmeta_en to 1 or 2, > in the flow_dv_convert_action_set_meta function: >=20 > - flow_dv_get_metadata_reg may return the REG_NONE, > when MLX5_METADATA_FDB enabled for metadata set action. >=20 > - reg_to_field(REG_NONE) returns MLX5_MODI_OUT_NONE, > that is invalid and rdma-core fails. >=20 > The rdma-core calltrace: > dr_action_create_modify_action > dr_actions_convert_modify_header > dr_action_modify_sw_to_hw > dr_action_modify_sw_to_hw_set > dr_ste_get_modify_hdr_hw_field >=20 > Fixes: fcc8d2f716fd ("net/mlx5: extend flow metadata support") > Cc: stable@dpdk.org >=20 > Signed-off-by: Tonghao Zhang > Signed-off-by: Viacheslav Ovsiienko > --- Patch applied to next-net-mlx, Kindest regards, Raslan Darawsheh