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@@ -208,3 +208,33 @@ void mlx5_cmd_dealloc_pd(struct mlx5_core_dev *dev, u32 pdn, u16 uid)
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MLX5_SET(dealloc_pd_in, in, uid, uid);
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mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
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}
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+
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+int mlx5_cmd_attach_mcg(struct mlx5_core_dev *dev, union ib_gid *mgid,
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+ u32 qpn, u16 uid)
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+{
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+ u32 out[MLX5_ST_SZ_DW(attach_to_mcg_out)] = {};
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+ u32 in[MLX5_ST_SZ_DW(attach_to_mcg_in)] = {};
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+ void *gid;
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+
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+ MLX5_SET(attach_to_mcg_in, in, opcode, MLX5_CMD_OP_ATTACH_TO_MCG);
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+ MLX5_SET(attach_to_mcg_in, in, qpn, qpn);
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+ MLX5_SET(attach_to_mcg_in, in, uid, uid);
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+ gid = MLX5_ADDR_OF(attach_to_mcg_in, in, multicast_gid);
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+ memcpy(gid, mgid, sizeof(*mgid));
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+ return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
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+}
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+
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+int mlx5_cmd_detach_mcg(struct mlx5_core_dev *dev, union ib_gid *mgid,
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+ u32 qpn, u16 uid)
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+{
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+ u32 out[MLX5_ST_SZ_DW(detach_from_mcg_out)] = {};
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+ u32 in[MLX5_ST_SZ_DW(detach_from_mcg_in)] = {};
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+ void *gid;
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+
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+ MLX5_SET(detach_from_mcg_in, in, opcode, MLX5_CMD_OP_DETACH_FROM_MCG);
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+ MLX5_SET(detach_from_mcg_in, in, qpn, qpn);
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+ MLX5_SET(detach_from_mcg_in, in, uid, uid);
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+ gid = MLX5_ADDR_OF(detach_from_mcg_in, in, multicast_gid);
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+ memcpy(gid, mgid, sizeof(*mgid));
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+ return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
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+}
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